build(deps): bump the otel group with 8 updates

Bumps the otel group with 8 updates:

| Package | From | To |
| --- | --- | --- |
| [go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc](https://github.com/open-telemetry/opentelemetry-go-contrib) | `0.46.1` | `0.48.0` |
| [go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp](https://github.com/open-telemetry/opentelemetry-go-contrib) | `0.45.0` | `0.48.0` |
| [go.opentelemetry.io/otel](https://github.com/open-telemetry/opentelemetry-go) | `1.21.0` | `1.23.0` |
| [go.opentelemetry.io/otel/exporters/otlp/otlptrace](https://github.com/open-telemetry/opentelemetry-go) | `1.19.0` | `1.23.1` |
| [go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc](https://github.com/open-telemetry/opentelemetry-go) | `1.19.0` | `1.23.1` |
| [go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp](https://github.com/open-telemetry/opentelemetry-go) | `1.19.0` | `1.23.1` |
| [go.opentelemetry.io/otel/sdk](https://github.com/open-telemetry/opentelemetry-go) | `1.21.0` | `1.23.1` |
| [go.opentelemetry.io/otel/trace](https://github.com/open-telemetry/opentelemetry-go) | `1.21.0` | `1.23.1` |


Updates `go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc` from 0.46.1 to 0.48.0
- [Release notes](https://github.com/open-telemetry/opentelemetry-go-contrib/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-go-contrib/blob/main/CHANGELOG.md)
- [Commits](https://github.com/open-telemetry/opentelemetry-go-contrib/compare/zpages/v0.46.1...zpages/v0.48.0)

Updates `go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp` from 0.45.0 to 0.48.0
- [Release notes](https://github.com/open-telemetry/opentelemetry-go-contrib/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-go-contrib/blob/main/CHANGELOG.md)
- [Commits](https://github.com/open-telemetry/opentelemetry-go-contrib/compare/zpages/v0.45.0...zpages/v0.48.0)

Updates `go.opentelemetry.io/otel` from 1.21.0 to 1.23.0
- [Release notes](https://github.com/open-telemetry/opentelemetry-go/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-go/blob/main/CHANGELOG.md)
- [Commits](https://github.com/open-telemetry/opentelemetry-go/compare/v1.21.0...v1.23.0)

Updates `go.opentelemetry.io/otel/exporters/otlp/otlptrace` from 1.19.0 to 1.23.1
- [Release notes](https://github.com/open-telemetry/opentelemetry-go/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-go/blob/main/CHANGELOG.md)
- [Commits](https://github.com/open-telemetry/opentelemetry-go/compare/v1.19.0...v1.23.1)

Updates `go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc` from 1.19.0 to 1.23.1
- [Release notes](https://github.com/open-telemetry/opentelemetry-go/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-go/blob/main/CHANGELOG.md)
- [Commits](https://github.com/open-telemetry/opentelemetry-go/compare/v1.19.0...v1.23.1)

Updates `go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp` from 1.19.0 to 1.23.1
- [Release notes](https://github.com/open-telemetry/opentelemetry-go/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-go/blob/main/CHANGELOG.md)
- [Commits](https://github.com/open-telemetry/opentelemetry-go/compare/v1.19.0...v1.23.1)

Updates `go.opentelemetry.io/otel/sdk` from 1.21.0 to 1.23.1
- [Release notes](https://github.com/open-telemetry/opentelemetry-go/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-go/blob/main/CHANGELOG.md)
- [Commits](https://github.com/open-telemetry/opentelemetry-go/compare/v1.21.0...v1.23.1)

Updates `go.opentelemetry.io/otel/trace` from 1.21.0 to 1.23.1
- [Release notes](https://github.com/open-telemetry/opentelemetry-go/releases)
- [Changelog](https://github.com/open-telemetry/opentelemetry-go/blob/main/CHANGELOG.md)
- [Commits](https://github.com/open-telemetry/opentelemetry-go/compare/v1.21.0...v1.23.1)

---
updated-dependencies:
- dependency-name: go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: otel
- dependency-name: go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: otel
- dependency-name: go.opentelemetry.io/otel
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: otel
- dependency-name: go.opentelemetry.io/otel/exporters/otlp/otlptrace
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: otel
- dependency-name: go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: otel
- dependency-name: go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: otel
- dependency-name: go.opentelemetry.io/otel/sdk
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: otel
- dependency-name: go.opentelemetry.io/otel/trace
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: otel
...

Signed-off-by: dependabot[bot] <support@github.com>

go.mod

@@ -57,18 +57,18 @@ require (
 	github.com/urfave/cli v1.22.14
 	github.com/vishvananda/netlink v1.2.1-beta.2
 	go.etcd.io/bbolt v1.3.8
-	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.46.1
+	go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.48.0
-	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.45.0
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.48.0
-	go.opentelemetry.io/otel v1.21.0
+	go.opentelemetry.io/otel v1.23.1
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.19.0
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.23.1
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.19.0
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.23.1
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.19.0
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.23.1
-	go.opentelemetry.io/otel/sdk v1.21.0
+	go.opentelemetry.io/otel/sdk v1.23.1
-	go.opentelemetry.io/otel/trace v1.21.0
+	go.opentelemetry.io/otel/trace v1.23.1
 	golang.org/x/mod v0.14.0
 	golang.org/x/sync v0.6.0
 	golang.org/x/sys v0.16.0
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20231212172506-995d672761c0
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20240102182953-50ed04b92917
 	google.golang.org/grpc v1.61.0
 	google.golang.org/protobuf v1.32.0
 	k8s.io/apimachinery v0.28.4
@@ -89,7 +89,7 @@ require (
 	github.com/cilium/ebpf v0.11.0 // indirect
 	github.com/cpuguy83/go-md2man/v2 v2.0.2 // indirect
 	github.com/emicklei/go-restful/v3 v3.10.2 // indirect
-	github.com/felixge/httpsnoop v1.0.3 // indirect
+	github.com/felixge/httpsnoop v1.0.4 // indirect
 	github.com/go-logr/logr v1.4.1 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/godbus/dbus/v5 v5.1.0 // indirect
@@ -97,7 +97,7 @@ require (
 	github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da // indirect
 	github.com/golang/protobuf v1.5.3 // indirect
 	github.com/google/gofuzz v1.2.0 // indirect
-	github.com/grpc-ecosystem/grpc-gateway/v2 v2.16.2 // indirect
+	github.com/grpc-ecosystem/grpc-gateway/v2 v2.19.0 // indirect
 	github.com/hashicorp/errwrap v1.1.0 // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
 	github.com/klauspost/cpuid/v2 v2.2.5 // indirect
@@ -114,17 +114,17 @@ require (
 	github.com/syndtr/gocapability v0.0.0-20200815063812-42c35b437635 // indirect
 	github.com/vishvananda/netns v0.0.4 // indirect
 	go.opencensus.io v0.24.0 // indirect
-	go.opentelemetry.io/otel/metric v1.21.0 // indirect
+	go.opentelemetry.io/otel/metric v1.23.1 // indirect
-	go.opentelemetry.io/proto/otlp v1.0.0 // indirect
+	go.opentelemetry.io/proto/otlp v1.1.0 // indirect
 	golang.org/x/exp v0.0.0-20231214170342-aacd6d4b4611 // indirect
-	golang.org/x/net v0.19.0 // indirect
+	golang.org/x/net v0.20.0 // indirect
-	golang.org/x/oauth2 v0.14.0 // indirect
+	golang.org/x/oauth2 v0.15.0 // indirect
-	golang.org/x/term v0.15.0 // indirect
+	golang.org/x/term v0.16.0 // indirect
 	golang.org/x/text v0.14.0 // indirect
 	golang.org/x/time v0.3.0 // indirect
 	golang.org/x/tools v0.16.0 // indirect
 	google.golang.org/appengine v1.6.8 // indirect
-	google.golang.org/genproto/googleapis/api v0.0.0-20231106174013-bbf56f31fb17 // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20240102182953-50ed04b92917 // indirect
 	gopkg.in/inf.v0 v0.9.1 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect

go.sum

@@ -96,8 +96,8 @@ github.com/envoyproxy/go-control-plane v0.9.4/go.mod h1:6rpuAdCZL397s3pYoYcLgu1m
 github.com/envoyproxy/protoc-gen-validate v0.1.0/go.mod h1:iSmxcyjqTsJpI2R4NaDN7+kN2VEUnK/pcBlmesArF7c=
 github.com/envoyproxy/protoc-gen-validate v1.0.2 h1:QkIBuU5k+x7/QXPvPPnWXWlCdaBFApVqftFV6k087DA=
 github.com/envoyproxy/protoc-gen-validate v1.0.2/go.mod h1:GpiZQP3dDbg4JouG/NNS7QWXpgx6x8QiMKdmN72jogE=
-github.com/felixge/httpsnoop v1.0.3 h1:s/nj+GCswXYzN5v2DpNMuMQYe+0DDwt5WVCU6CWBdXk=
+github.com/felixge/httpsnoop v1.0.4 h1:NFTV2Zj1bL4mc9sqWACXbQFVBBg2W3GPvqp8/ESS2Wg=
-github.com/felixge/httpsnoop v1.0.3/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U=
+github.com/felixge/httpsnoop v1.0.4/go.mod h1:m8KPJKqk1gH5J9DgRY2ASl2lWCfGKXixSwevea8zH2U=
 github.com/frankban/quicktest v1.14.5 h1:dfYrrRyLtiqT9GyKXgdh+k4inNeTvmGbuSgZ3lx3GhA=
 github.com/frankban/quicktest v1.14.5/go.mod h1:4ptaffx2x8+WTWXmUCuVU6aPUX1/Mz7zb5vbUoiM6w0=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
@@ -132,8 +132,6 @@ github.com/gogo/protobuf v1.1.1/go.mod h1:r8qH/GZQm5c6nD/R0oafs1akxWv10x8SbQlK7a
 github.com/gogo/protobuf v1.3.2 h1:Ov1cvc58UF3b5XjBnZv7+opcTcQFZebYjWzi34vdm4Q=
 github.com/gogo/protobuf v1.3.2/go.mod h1:P1XiOD3dCwIKUDQYPy72D8LYyHL2YPYrpS2s69NZV8Q=
 github.com/golang/glog v0.0.0-20160126235308-23def4e6c14b/go.mod h1:SBH7ygxi8pfUlaOkMMuAQtPIUF8ecWP5IEl/CR7VP2Q=
-github.com/golang/glog v1.1.2 h1:DVjP2PbBOzHyzA+dn3WhHIq4NdVu3Q+pvivFICf/7fo=
-github.com/golang/glog v1.1.2/go.mod h1:zR+okUeTbrL6EL3xHUDxZuEtGv04p5shwip1+mL/rLQ=
 github.com/golang/groupcache v0.0.0-20200121045136-8c9f03a8e57e/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
 github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da h1:oI5xCqsCo564l8iNU+DwB5epxmsaqB+rhGL0m5jtYqE=
 github.com/golang/groupcache v0.0.0-20210331224755-41bb18bfe9da/go.mod h1:cIg4eruTrX1D+g88fzRXU5OdNfaM+9IcxsU14FzY7Hc=
@@ -180,8 +178,8 @@ github.com/grpc-ecosystem/go-grpc-middleware v1.4.0 h1:UH//fgunKIs4JdUbpDl1VZCDa
 github.com/grpc-ecosystem/go-grpc-middleware v1.4.0/go.mod h1:g5qyo/la0ALbONm6Vbp88Yd8NsDy6rZz+RcrMPxvld8=
 github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0 h1:Ovs26xHkKqVztRpIrF/92BcuyuQ/YW4NSIpoGtfXNho=
 github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0/go.mod h1:8NvIoxWQoOIhqOTXgfV/d3M/q6VIi02HzZEHgUlZvzk=
-github.com/grpc-ecosystem/grpc-gateway/v2 v2.16.2 h1:dygLcbEBA+t/P7ck6a8AkXv6juQ4cK0RHBoh32jxhHM=
+github.com/grpc-ecosystem/grpc-gateway/v2 v2.19.0 h1:Wqo399gCIufwto+VfwCSvsnfGpF/w5E9CNxSwbpD6No=
-github.com/grpc-ecosystem/grpc-gateway/v2 v2.16.2/go.mod h1:Ap9RLCIJVtgQg1/BBgVEfypOAySvvlcpcVQkSzJCH4Y=
+github.com/grpc-ecosystem/grpc-gateway/v2 v2.19.0/go.mod h1:qmOFXW2epJhM0qSnUUYpldc7gVz2KMQwJ/QYCDIa7XU=
 github.com/hashicorp/errwrap v1.0.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
 github.com/hashicorp/errwrap v1.1.0 h1:OxrOeh75EUXMY8TBjag2fzXGZ40LB6IKw45YeGUDY2I=
 github.com/hashicorp/errwrap v1.1.0/go.mod h1:YH+1FKiLXxHSkmPseP+kNlulaMuP3n2brvKWEqk/Jc4=
@@ -352,30 +350,30 @@ go.etcd.io/bbolt v1.3.8 h1:xs88BrvEv273UsB79e0hcVrlUWmS0a8upikMFhSyAtA=
 go.etcd.io/bbolt v1.3.8/go.mod h1:N9Mkw9X8x5fupy0IKsmuqVtoGDyxsaDlbk4Rd05IAQw=
 go.opencensus.io v0.24.0 h1:y73uSU6J157QMP2kn2r30vwW1A2W2WFwSCGnAVxeaD0=
 go.opencensus.io v0.24.0/go.mod h1:vNK8G9p7aAivkbmorf4v+7Hgx+Zs0yY+0fOtgBfjQKo=
-go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.46.1 h1:SpGay3w+nEwMpfVnbqOLH5gY52/foP8RE8UzTZ1pdSE=
+go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.48.0 h1:P+/g8GpuJGYbOp2tAdKrIPUX9JO02q8Q0YNlHolpibA=
-go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.46.1/go.mod h1:4UoMYEZOC0yN/sPGH76KPkkU7zgiEWYWL9vwmbnTJPE=
+go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.48.0/go.mod h1:tIKj3DbO8N9Y2xo52og3irLsPI4GW02DSMtrVgNMgxg=
-go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.45.0 h1:x8Z78aZx8cOF0+Kkazoc7lwUNMGy0LrzEMxTm4BbTxg=
+go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.48.0 h1:doUP+ExOpH3spVTLS0FcWGLnQrPct/hD/bCPbDRUEAU=
-go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.45.0/go.mod h1:62CPTSry9QZtOaSsE3tOzhx6LzDhHnXJ6xHeMNNiM6Q=
+go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.48.0/go.mod h1:rdENBZMT2OE6Ne/KLwpiXudnAsbdrdBaqBvTN8M8BgA=
-go.opentelemetry.io/otel v1.21.0 h1:hzLeKBZEL7Okw2mGzZ0cc4k/A7Fta0uoPgaJCr8fsFc=
+go.opentelemetry.io/otel v1.23.1 h1:Za4UzOqJYS+MUczKI320AtqZHZb7EqxO00jAHE0jmQY=
-go.opentelemetry.io/otel v1.21.0/go.mod h1:QZzNPQPm1zLX4gZK4cMi+71eaorMSGT3A4znnUvNNEo=
+go.opentelemetry.io/otel v1.23.1/go.mod h1:Td0134eafDLcTS4y+zQ26GE8u3dEuRBiBCTUIRHaikA=
-go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.19.0 h1:Mne5On7VWdx7omSrSSZvM4Kw7cS7NQkOOmLcgscI51U=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.23.1 h1:o8iWeVFa1BcLtVEV0LzrCxV2/55tB3xLxADr6Kyoey4=
-go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.19.0/go.mod h1:IPtUMKL4O3tH5y+iXVyAXqpAwMuzC1IrxVS81rummfE=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.23.1/go.mod h1:SEVfdK4IoBnbT2FXNM/k8yC08MrfbhWk3U4ljM8B3HE=
-go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.19.0 h1:3d+S281UTjM+AbF31XSOYn1qXn3BgIdWl8HNEpx08Jk=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.23.1 h1:p3A5+f5l9e/kuEBwLOrnpkIDHQFlHmbiVxMURWRK6gQ=
-go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.19.0/go.mod h1:0+KuTDyKL4gjKCF75pHOX4wuzYDUZYfAQdSu43o+Z2I=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.23.1/go.mod h1:OClrnXUjBqQbInvjJFjYSnMxBSCXBF8r3b34WqjiIrQ=
-go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.19.0 h1:IeMeyr1aBvBiPVYihXIaeIZba6b8E1bYp7lbdxK8CQg=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.23.1 h1:cfuy3bXmLJS7M1RZmAL6SuhGtKUp2KEsrm00OlAXkq4=
-go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.19.0/go.mod h1:oVdCUtjq9MK9BlS7TtucsQwUcXcymNiEDjgDD2jMtZU=
+go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.23.1/go.mod h1:22jr92C6KwlwItJmQzfixzQM3oyyuYLCfHiMY+rpsPU=
-go.opentelemetry.io/otel/metric v1.21.0 h1:tlYWfeo+Bocx5kLEloTjbcDwBuELRrIFxwdQ36PlJu4=
+go.opentelemetry.io/otel/metric v1.23.1 h1:PQJmqJ9u2QaJLBOELl1cxIdPcpbwzbkjfEyelTl2rlo=
-go.opentelemetry.io/otel/metric v1.21.0/go.mod h1:o1p3CA8nNHW8j5yuQLdc1eeqEaPfzug24uvsyIEJRWM=
+go.opentelemetry.io/otel/metric v1.23.1/go.mod h1:mpG2QPlAfnK8yNhNJAxDZruU9Y1/HubbC+KyH8FaCWI=
-go.opentelemetry.io/otel/sdk v1.21.0 h1:FTt8qirL1EysG6sTQRZ5TokkU8d0ugCj8htOgThZXQ8=
+go.opentelemetry.io/otel/sdk v1.23.1 h1:O7JmZw0h76if63LQdsBMKQDWNb5oEcOThG9IrxscV+E=
-go.opentelemetry.io/otel/sdk v1.21.0/go.mod h1:Nna6Yv7PWTdgJHVRD9hIYywQBRx7pbox6nwBnZIxl/E=
+go.opentelemetry.io/otel/sdk v1.23.1/go.mod h1:LzdEVR5am1uKOOwfBWFef2DCi1nu3SA8XQxx2IerWFk=
-go.opentelemetry.io/otel/trace v1.21.0 h1:WD9i5gzvoUPuXIXH24ZNBudiarZDKuekPqi/E8fpfLc=
+go.opentelemetry.io/otel/trace v1.23.1 h1:4LrmmEd8AU2rFvU1zegmvqW7+kWarxtNOPyeL6HmYY8=
-go.opentelemetry.io/otel/trace v1.21.0/go.mod h1:LGbsEB0f9LGjN+OZaQQ26sohbOmiMR+BaslueVtS/qQ=
+go.opentelemetry.io/otel/trace v1.23.1/go.mod h1:4IpnpJFwr1mo/6HL8XIPJaE9y0+u1KcVmuW7dwFSVrI=
-go.opentelemetry.io/proto/otlp v1.0.0 h1:T0TX0tmXU8a3CbNXzEKGeU5mIVOdf0oykP+u2lIVU/I=
+go.opentelemetry.io/proto/otlp v1.1.0 h1:2Di21piLrCqJ3U3eXGCTPHE9R8Nh+0uglSnOyxikMeI=
-go.opentelemetry.io/proto/otlp v1.0.0/go.mod h1:Sy6pihPLfYHkr3NkUbEhGHFhINUSI/v80hjKIs5JXpM=
+go.opentelemetry.io/proto/otlp v1.1.0/go.mod h1:GpBHCBWiqvVLDqmHZsoMM3C5ySeKTC7ej/RNTae6MdY=
 go.uber.org/atomic v1.7.0/go.mod h1:fEN4uk6kAWBTFdckzkM89CLk9XfWZrxpCo0nPH17wJc=
 go.uber.org/goleak v1.1.10/go.mod h1:8a7PlsEVH3e/a/GLqe5IIrQx6GzcnRmZEufDUTk4A7A=
-go.uber.org/goleak v1.2.1 h1:NBol2c7O1ZokfZ0LEU9K6Whx/KnwvepVetCUhtKja4A=
+go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
-go.uber.org/goleak v1.2.1/go.mod h1:qlT2yGI9QafXHhZZLxlSuNsMw3FFLxBr+tBRlmO1xH4=
+go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
 go.uber.org/multierr v1.6.0/go.mod h1:cdWPpRnG4AhwMwsgIHip0KRBQjJy5kYEpYjJxpXp9iU=
 go.uber.org/zap v1.18.1/go.mod h1:xg/QME4nWcxGxrpdeYfq7UvYrLh66cuVKdrbD1XF/NI=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
@@ -411,11 +409,11 @@ golang.org/x/net v0.0.0-20201110031124-69a78807bb2b/go.mod h1:sp8m0HH+o8qH0wwXwY
 golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20210428140749-89ef3d95e781/go.mod h1:OJAsFXCWl8Ukc7SiCT/9KSuxbyM7479/AVlXFRxuMCk=
 golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
-golang.org/x/net v0.19.0 h1:zTwKpTd2XuCqf8huc7Fo2iSy+4RHPd10s4KzeTnVr1c=
+golang.org/x/net v0.20.0 h1:aCL9BSgETF1k+blQaYUBx9hJ9LOGP3gAVemcZlf1Kpo=
-golang.org/x/net v0.19.0/go.mod h1:CfAk/cbD4CthTvqiEl8NpboMuiuOYsAr/7NOjZJtv1U=
+golang.org/x/net v0.20.0/go.mod h1:z8BVo6PvndSri0LbOE3hAn0apkU+1YvI6E70E9jsnvY=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
-golang.org/x/oauth2 v0.14.0 h1:P0Vrf/2538nmC0H+pEQ3MNFRRnVR7RlqyVw+bvm26z0=
+golang.org/x/oauth2 v0.15.0 h1:s8pnnxNVzjWyrvYdFUQq5llS1PX2zhPXmccZv99h7uQ=
-golang.org/x/oauth2 v0.14.0/go.mod h1:lAtNWgaWfL4cm7j2OV8TxGi9Qb7ECORx8DktCY74OwM=
+golang.org/x/oauth2 v0.15.0/go.mod h1:q48ptWNTY5XWf+JNten23lcvHpLJ0ZSxF5ttTHKVCAM=
 golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -457,8 +455,8 @@ golang.org/x/sys v0.16.0 h1:xWw16ngr6ZMtmxDyKyIgsE93KNKz5HKmMa3b8ALHidU=
 golang.org/x/sys v0.16.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
-golang.org/x/term v0.15.0 h1:y/Oo/a/q3IXu26lQgl04j/gjuBDOBlx7X6Om1j2CPW4=
+golang.org/x/term v0.16.0 h1:m+B6fahuftsE9qjo0VWp2FW0mB3MTJvR0BaMQrq0pmE=
-golang.org/x/term v0.15.0/go.mod h1:BDl952bC7+uMoWR75FIrCDx79TPU9oHkTZ9yRbYOrX0=
+golang.org/x/term v0.16.0/go.mod h1:yn7UURbUtPyrVJPGPq404EukNFxcm/foM+bV/bfcDsY=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
@@ -493,12 +491,12 @@ google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoA
 google.golang.org/genproto v0.0.0-20190819201941-24fa4b261c55/go.mod h1:DMBHOl98Agz4BDEuKkezgsaosCRResVns1a3J2ZsMNc=
 google.golang.org/genproto v0.0.0-20200423170343-7949de9c1215/go.mod h1:55QSHmfGQM9UVYDPBsyGGes0y52j32PQ3BqQfXhyH3c=
 google.golang.org/genproto v0.0.0-20200526211855-cb27e3aa2013/go.mod h1:NbSheEEYHJ7i3ixzK3sjbqSGDJWnxyFXZblF3eUsNvo=
-google.golang.org/genproto v0.0.0-20231211222908-989df2bf70f3 h1:1hfbdAfFbkmpg41000wDVqr7jUpK/Yo+LPnIxxGzmkg=
+google.golang.org/genproto v0.0.0-20231212172506-995d672761c0 h1:YJ5pD9rF8o9Qtta0Cmy9rdBwkSjrTCT6XTiUQVOtIos=
-google.golang.org/genproto v0.0.0-20231211222908-989df2bf70f3/go.mod h1:5RBcpGRxr25RbDzY5w+dmaqpSEvl8Gwl1x2CICf60ic=
+google.golang.org/genproto v0.0.0-20231212172506-995d672761c0/go.mod h1:l/k7rMz0vFTBPy+tFSGvXEd3z+BcoG1k7EHbqm+YBsY=
-google.golang.org/genproto/googleapis/api v0.0.0-20231106174013-bbf56f31fb17 h1:JpwMPBpFN3uKhdaekDpiNlImDdkUAyiJ6ez/uxGaUSo=
+google.golang.org/genproto/googleapis/api v0.0.0-20240102182953-50ed04b92917 h1:rcS6EyEaoCO52hQDupoSfrxI3R6C2Tq741is7X8OvnM=
-google.golang.org/genproto/googleapis/api v0.0.0-20231106174013-bbf56f31fb17/go.mod h1:0xJLfVdJqpAPl8tDg1ujOCGzx6LFLttXT5NhllGOXY4=
+google.golang.org/genproto/googleapis/api v0.0.0-20240102182953-50ed04b92917/go.mod h1:CmlNWB9lSezaYELKS5Ym1r44VrrbPUa7JTvw+6MbpJ0=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20231212172506-995d672761c0 h1:/jFB8jK5R3Sq3i/lmeZO0cATSzFfZaJq1J2Euan3XKU=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20240102182953-50ed04b92917 h1:6G8oQ016D88m1xAKljMlBOOGWDZkes4kMhgGFlf8WcQ=
-google.golang.org/genproto/googleapis/rpc v0.0.0-20231212172506-995d672761c0/go.mod h1:FUoWkonphQm3RhTS+kOEhF8h0iDpm4tdXolVCeZ9KKA=
+google.golang.org/genproto/googleapis/rpc v0.0.0-20240102182953-50ed04b92917/go.mod h1:xtjpI3tXFPP051KaWnhvxkiubL/6dJ18vLVf7q2pTOU=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
 google.golang.org/grpc v1.23.0/go.mod h1:Y5yQAOtifL1yxbo5wqy6BxZv8vAUGQwXBOALyacEbxg=
 google.golang.org/grpc v1.25.1/go.mod h1:c3i+UQWmh7LiEpx4sFZnkU36qjEYZ0imhYfXVyQciAY=

vendor/github.com/felixge/httpsnoop/.travis.yml

@@ -1,6 +0,0 @@
-language: go
-
-go:
-  - 1.6
-  - 1.7
-  - 1.8

vendor/github.com/felixge/httpsnoop/Makefile

@@ -1,7 +1,7 @@
 .PHONY: ci generate clean
 
 ci: clean generate
-	go test -v ./...
+	go test -race -v ./...
 
 generate:
 	go generate .

vendor/github.com/felixge/httpsnoop/README.md

@@ -7,8 +7,8 @@ http.Handlers.
 Doing this requires non-trivial wrapping of the http.ResponseWriter interface,
 which is also exposed for users interested in a more low-level API.
 
-[![GoDoc](https://godoc.org/github.com/felixge/httpsnoop?status.svg)](https://godoc.org/github.com/felixge/httpsnoop)
+[![Go Reference](https://pkg.go.dev/badge/github.com/felixge/httpsnoop.svg)](https://pkg.go.dev/github.com/felixge/httpsnoop)
-[![Build Status](https://travis-ci.org/felixge/httpsnoop.svg?branch=master)](https://travis-ci.org/felixge/httpsnoop)
+[![Build Status](https://github.com/felixge/httpsnoop/actions/workflows/main.yaml/badge.svg)](https://github.com/felixge/httpsnoop/actions/workflows/main.yaml)
 
 ## Usage Example
 

vendor/github.com/felixge/httpsnoop/capture_metrics.go

@@ -52,7 +52,7 @@ func (m *Metrics) CaptureMetrics(w http.ResponseWriter, fn func(http.ResponseWri
 				return func(code int) {
 					next(code)
 
-					if !headerWritten {
+					if !(code >= 100 && code <= 199) && !headerWritten {
 						m.Code = code
 						headerWritten = true
 					}

vendor/github.com/felixge/httpsnoop/wrap_generated_gteq_1.8.go

@@ -1,5 +1,5 @@
 // +build go1.8
-// Code generated by "httpsnoop/codegen"; DO NOT EDIT
+// Code generated by "httpsnoop/codegen"; DO NOT EDIT.
 
 package httpsnoop
 

vendor/github.com/felixge/httpsnoop/wrap_generated_lt_1.8.go

@@ -1,5 +1,5 @@
 // +build !go1.8
-// Code generated by "httpsnoop/codegen"; DO NOT EDIT
+// Code generated by "httpsnoop/codegen"; DO NOT EDIT.
 
 package httpsnoop
 

vendor/github.com/grpc-ecosystem/grpc-gateway/v2/internal/httprule/BUILD.bazel

@@ -24,7 +24,7 @@ go_test(
     embed = [":httprule"],
     deps = [
         "//utilities",
-        "@com_github_golang_glog//:glog",
+        "@org_golang_google_grpc//grpclog",
     ],
 )
 

vendor/github.com/grpc-ecosystem/grpc-gateway/v2/runtime/errors.go

@@ -137,7 +137,7 @@ func DefaultHTTPErrorHandler(ctx context.Context, mux *ServeMux, marshaler Marsh
 	doForwardTrailers := requestAcceptsTrailers(r)
 
 	if doForwardTrailers {
-		handleForwardResponseTrailerHeader(w, md)
+		handleForwardResponseTrailerHeader(w, mux, md)
 		w.Header().Set("Transfer-Encoding", "chunked")
 	}
 
@@ -152,7 +152,7 @@ func DefaultHTTPErrorHandler(ctx context.Context, mux *ServeMux, marshaler Marsh
 	}
 
 	if doForwardTrailers {
-		handleForwardResponseTrailer(w, md)
+		handleForwardResponseTrailer(w, mux, md)
 	}
 }
 

vendor/github.com/grpc-ecosystem/grpc-gateway/v2/runtime/fieldmask.go

@@ -27,7 +27,7 @@ func FieldMaskFromRequestBody(r io.Reader, msg proto.Message) (*field_mask.Field
 	var root interface{}
 
 	if err := json.NewDecoder(r).Decode(&root); err != nil {
-		if err == io.EOF {
+		if errors.Is(err, io.EOF) {
 			return fm, nil
 		}
 		return nil, err

vendor/github.com/grpc-ecosystem/grpc-gateway/v2/runtime/handler.go

@@ -2,7 +2,7 @@ package runtime
 
 import (
 	"context"
-	"fmt"
+	"errors"
 	"io"
 	"net/http"
 	"net/textproto"
@@ -48,7 +48,7 @@ func ForwardResponseStream(ctx context.Context, mux *ServeMux, marshaler Marshal
 	var wroteHeader bool
 	for {
 		resp, err := recv()
-		if err == io.EOF {
+		if errors.Is(err, io.EOF) {
 			return
 		}
 		if err != nil {
@@ -108,18 +108,20 @@ func handleForwardResponseServerMetadata(w http.ResponseWriter, mux *ServeMux, m
 	}
 }
 
-func handleForwardResponseTrailerHeader(w http.ResponseWriter, md ServerMetadata) {
+func handleForwardResponseTrailerHeader(w http.ResponseWriter, mux *ServeMux, md ServerMetadata) {
 	for k := range md.TrailerMD {
-		tKey := textproto.CanonicalMIMEHeaderKey(fmt.Sprintf("%s%s", MetadataTrailerPrefix, k))
+		if h, ok := mux.outgoingTrailerMatcher(k); ok {
-		w.Header().Add("Trailer", tKey)
+			w.Header().Add("Trailer", textproto.CanonicalMIMEHeaderKey(h))
+		}
 	}
 }
 
-func handleForwardResponseTrailer(w http.ResponseWriter, md ServerMetadata) {
+func handleForwardResponseTrailer(w http.ResponseWriter, mux *ServeMux, md ServerMetadata) {
 	for k, vs := range md.TrailerMD {
-		tKey := fmt.Sprintf("%s%s", MetadataTrailerPrefix, k)
+		if h, ok := mux.outgoingTrailerMatcher(k); ok {
-		for _, v := range vs {
+			for _, v := range vs {
-			w.Header().Add(tKey, v)
+				w.Header().Add(h, v)
+			}
 		}
 	}
 }
@@ -147,12 +149,10 @@ func ForwardResponseMessage(ctx context.Context, mux *ServeMux, marshaler Marsha
 	doForwardTrailers := requestAcceptsTrailers(req)
 
 	if doForwardTrailers {
-		handleForwardResponseTrailerHeader(w, md)
+		handleForwardResponseTrailerHeader(w, mux, md)
 		w.Header().Set("Transfer-Encoding", "chunked")
 	}
 
-	handleForwardResponseTrailerHeader(w, md)
-
 	contentType := marshaler.ContentType(resp)
 	w.Header().Set("Content-Type", contentType)
 
@@ -178,7 +178,7 @@ func ForwardResponseMessage(ctx context.Context, mux *ServeMux, marshaler Marsha
 	}
 
 	if doForwardTrailers {
-		handleForwardResponseTrailer(w, md)
+		handleForwardResponseTrailer(w, mux, md)
 	}
 }
 

vendor/github.com/grpc-ecosystem/grpc-gateway/v2/runtime/mux.go

@@ -57,6 +57,7 @@ type ServeMux struct {
 	marshalers                marshalerRegistry
 	incomingHeaderMatcher     HeaderMatcherFunc
 	outgoingHeaderMatcher     HeaderMatcherFunc
+	outgoingTrailerMatcher    HeaderMatcherFunc
 	metadataAnnotators        []func(context.Context, *http.Request) metadata.MD
 	errorHandler              ErrorHandlerFunc
 	streamErrorHandler        StreamErrorHandlerFunc
@@ -114,10 +115,18 @@ func DefaultHeaderMatcher(key string) (string, bool) {
 	return "", false
 }
 
+func defaultOutgoingHeaderMatcher(key string) (string, bool) {
+	return fmt.Sprintf("%s%s", MetadataHeaderPrefix, key), true
+}
+
+func defaultOutgoingTrailerMatcher(key string) (string, bool) {
+	return fmt.Sprintf("%s%s", MetadataTrailerPrefix, key), true
+}
+
 // WithIncomingHeaderMatcher returns a ServeMuxOption representing a headerMatcher for incoming request to gateway.
 //
 // This matcher will be called with each header in http.Request. If matcher returns true, that header will be
-// passed to gRPC context. To transform the header before passing to gRPC context, matcher should return modified header.
+// passed to gRPC context. To transform the header before passing to gRPC context, matcher should return the modified header.
 func WithIncomingHeaderMatcher(fn HeaderMatcherFunc) ServeMuxOption {
 	for _, header := range fn.matchedMalformedHeaders() {
 		grpclog.Warningf("The configured forwarding filter would allow %q to be sent to the gRPC server, which will likely cause errors. See https://github.com/grpc/grpc-go/pull/4803#issuecomment-986093310 for more information.", header)
@@ -147,13 +156,24 @@ func (fn HeaderMatcherFunc) matchedMalformedHeaders() []string {
 //
 // This matcher will be called with each header in response header metadata. If matcher returns true, that header will be
 // passed to http response returned from gateway. To transform the header before passing to response,
-// matcher should return modified header.
+// matcher should return the modified header.
 func WithOutgoingHeaderMatcher(fn HeaderMatcherFunc) ServeMuxOption {
 	return func(mux *ServeMux) {
 		mux.outgoingHeaderMatcher = fn
 	}
 }
 
+// WithOutgoingTrailerMatcher returns a ServeMuxOption representing a headerMatcher for outgoing response from gateway.
+//
+// This matcher will be called with each header in response trailer metadata. If matcher returns true, that header will be
+// passed to http response returned from gateway. To transform the header before passing to response,
+// matcher should return the modified header.
+func WithOutgoingTrailerMatcher(fn HeaderMatcherFunc) ServeMuxOption {
+	return func(mux *ServeMux) {
+		mux.outgoingTrailerMatcher = fn
+	}
+}
+
 // WithMetadata returns a ServeMuxOption for passing metadata to a gRPC context.
 //
 // This can be used by services that need to read from http.Request and modify gRPC context. A common use case
@@ -273,11 +293,11 @@ func NewServeMux(opts ...ServeMuxOption) *ServeMux {
 	if serveMux.incomingHeaderMatcher == nil {
 		serveMux.incomingHeaderMatcher = DefaultHeaderMatcher
 	}
-
 	if serveMux.outgoingHeaderMatcher == nil {
-		serveMux.outgoingHeaderMatcher = func(key string) (string, bool) {
+		serveMux.outgoingHeaderMatcher = defaultOutgoingHeaderMatcher
-			return fmt.Sprintf("%s%s", MetadataHeaderPrefix, key), true
+	}
-		}
+	if serveMux.outgoingTrailerMatcher == nil {
+		serveMux.outgoingTrailerMatcher = defaultOutgoingTrailerMatcher
 	}
 
 	return serveMux

vendor/go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc/config.go

@@ -18,6 +18,7 @@ import (
 	"go.opentelemetry.io/otel"
 	"go.opentelemetry.io/otel/attribute"
 	"go.opentelemetry.io/otel/metric"
+	"go.opentelemetry.io/otel/metric/noop"
 	"go.opentelemetry.io/otel/propagation"
 	semconv "go.opentelemetry.io/otel/semconv/v1.17.0"
 	"go.opentelemetry.io/otel/trace"
@@ -89,6 +90,9 @@ func newConfig(opts []Option, role string) *config {
 		metric.WithUnit("ms"))
 	if err != nil {
 		otel.Handle(err)
+		if c.rpcDuration == nil {
+			c.rpcDuration = noop.Float64Histogram{}
+		}
 	}
 
 	c.rpcRequestSize, err = c.meter.Int64Histogram("rpc."+role+".request.size",
@@ -96,6 +100,9 @@ func newConfig(opts []Option, role string) *config {
 		metric.WithUnit("By"))
 	if err != nil {
 		otel.Handle(err)
+		if c.rpcRequestSize == nil {
+			c.rpcRequestSize = noop.Int64Histogram{}
+		}
 	}
 
 	c.rpcResponseSize, err = c.meter.Int64Histogram("rpc."+role+".response.size",
@@ -103,6 +110,9 @@ func newConfig(opts []Option, role string) *config {
 		metric.WithUnit("By"))
 	if err != nil {
 		otel.Handle(err)
+		if c.rpcResponseSize == nil {
+			c.rpcResponseSize = noop.Int64Histogram{}
+		}
 	}
 
 	c.rpcRequestsPerRPC, err = c.meter.Int64Histogram("rpc."+role+".requests_per_rpc",
@@ -110,6 +120,9 @@ func newConfig(opts []Option, role string) *config {
 		metric.WithUnit("{count}"))
 	if err != nil {
 		otel.Handle(err)
+		if c.rpcRequestsPerRPC == nil {
+			c.rpcRequestsPerRPC = noop.Int64Histogram{}
+		}
 	}
 
 	c.rpcResponsesPerRPC, err = c.meter.Int64Histogram("rpc."+role+".responses_per_rpc",
@@ -117,6 +130,9 @@ func newConfig(opts []Option, role string) *config {
 		metric.WithUnit("{count}"))
 	if err != nil {
 		otel.Handle(err)
+		if c.rpcResponsesPerRPC == nil {
+			c.rpcResponsesPerRPC = noop.Int64Histogram{}
+		}
 	}
 
 	return c

vendor/go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc/stats_handler.go

@@ -20,6 +20,7 @@ import (
 	"time"
 
 	grpc_codes "google.golang.org/grpc/codes"
+	"google.golang.org/grpc/peer"
 	"google.golang.org/grpc/stats"
 	"google.golang.org/grpc/status"
 
@@ -43,7 +44,7 @@ type serverHandler struct {
 	*config
 }
 
-// NewServerHandler creates a stats.Handler for gRPC server.
+// NewServerHandler creates a stats.Handler for a gRPC server.
 func NewServerHandler(opts ...Option) stats.Handler {
 	h := &serverHandler{
 		config: newConfig(opts, "server"),
@@ -54,9 +55,6 @@ func NewServerHandler(opts ...Option) stats.Handler {
 
 // TagConn can attach some information to the given context.
 func (h *serverHandler) TagConn(ctx context.Context, info *stats.ConnTagInfo) context.Context {
-	span := trace.SpanFromContext(ctx)
-	attrs := peerAttr(peerFromCtx(ctx))
-	span.SetAttributes(attrs...)
 	return ctx
 }
 
@@ -85,14 +83,15 @@ func (h *serverHandler) TagRPC(ctx context.Context, info *stats.RPCTagInfo) cont
 
 // HandleRPC processes the RPC stats.
 func (h *serverHandler) HandleRPC(ctx context.Context, rs stats.RPCStats) {
-	h.handleRPC(ctx, rs)
+	isServer := true
+	h.handleRPC(ctx, rs, isServer)
 }
 
 type clientHandler struct {
 	*config
 }
 
-// NewClientHandler creates a stats.Handler for gRPC client.
+// NewClientHandler creates a stats.Handler for a gRPC client.
 func NewClientHandler(opts ...Option) stats.Handler {
 	h := &clientHandler{
 		config: newConfig(opts, "client"),
@@ -121,14 +120,12 @@ func (h *clientHandler) TagRPC(ctx context.Context, info *stats.RPCTagInfo) cont
 
 // HandleRPC processes the RPC stats.
 func (h *clientHandler) HandleRPC(ctx context.Context, rs stats.RPCStats) {
-	h.handleRPC(ctx, rs)
+	isServer := false
+	h.handleRPC(ctx, rs, isServer)
 }
 
 // TagConn can attach some information to the given context.
-func (h *clientHandler) TagConn(ctx context.Context, cti *stats.ConnTagInfo) context.Context {
+func (h *clientHandler) TagConn(ctx context.Context, info *stats.ConnTagInfo) context.Context {
-	span := trace.SpanFromContext(ctx)
-	attrs := peerAttr(cti.RemoteAddr.String())
-	span.SetAttributes(attrs...)
 	return ctx
 }
 
@@ -137,20 +134,23 @@ func (h *clientHandler) HandleConn(context.Context, stats.ConnStats) {
 	// no-op
 }
 
-func (c *config) handleRPC(ctx context.Context, rs stats.RPCStats) {
+func (c *config) handleRPC(ctx context.Context, rs stats.RPCStats, isServer bool) { // nolint: revive  // isServer is not a control flag.
 	span := trace.SpanFromContext(ctx)
-	gctx, _ := ctx.Value(gRPCContextKey{}).(*gRPCContext)
+	var metricAttrs []attribute.KeyValue
 	var messageId int64
-	metricAttrs := make([]attribute.KeyValue, 0, len(gctx.metricAttrs)+1)
+
-	metricAttrs = append(metricAttrs, gctx.metricAttrs...)
+	gctx, _ := ctx.Value(gRPCContextKey{}).(*gRPCContext)
-	wctx := withoutCancel(ctx)
+	if gctx != nil {
+		metricAttrs = make([]attribute.KeyValue, 0, len(gctx.metricAttrs)+1)
+		metricAttrs = append(metricAttrs, gctx.metricAttrs...)
+	}
 
 	switch rs := rs.(type) {
 	case *stats.Begin:
 	case *stats.InPayload:
 		if gctx != nil {
 			messageId = atomic.AddInt64(&gctx.messagesReceived, 1)
-			c.rpcRequestSize.Record(wctx, int64(rs.Length), metric.WithAttributes(metricAttrs...))
+			c.rpcRequestSize.Record(ctx, int64(rs.Length), metric.WithAttributes(metricAttrs...))
 		}
 
 		if c.ReceivedEvent {
@@ -166,7 +166,7 @@ func (c *config) handleRPC(ctx context.Context, rs stats.RPCStats) {
 	case *stats.OutPayload:
 		if gctx != nil {
 			messageId = atomic.AddInt64(&gctx.messagesSent, 1)
-			c.rpcResponseSize.Record(wctx, int64(rs.Length), metric.WithAttributes(metricAttrs...))
+			c.rpcResponseSize.Record(ctx, int64(rs.Length), metric.WithAttributes(metricAttrs...))
 		}
 
 		if c.SentEvent {
@@ -180,12 +180,21 @@ func (c *config) handleRPC(ctx context.Context, rs stats.RPCStats) {
 			)
 		}
 	case *stats.OutTrailer:
+	case *stats.OutHeader:
+		if p, ok := peer.FromContext(ctx); ok {
+			span.SetAttributes(peerAttr(p.Addr.String())...)
+		}
 	case *stats.End:
 		var rpcStatusAttr attribute.KeyValue
 
 		if rs.Error != nil {
 			s, _ := status.FromError(rs.Error)
-			span.SetStatus(codes.Error, s.Message())
+			if isServer {
+				statusCode, msg := serverStatus(s)
+				span.SetStatus(statusCode, msg)
+			} else {
+				span.SetStatus(codes.Error, s.Message())
+			}
 			rpcStatusAttr = semconv.RPCGRPCStatusCodeKey.Int(int(s.Code()))
 		} else {
 			rpcStatusAttr = semconv.RPCGRPCStatusCodeKey.Int(int(grpc_codes.OK))
@@ -198,41 +207,12 @@ func (c *config) handleRPC(ctx context.Context, rs stats.RPCStats) {
 		// Use floating point division here for higher precision (instead of Millisecond method).
 		elapsedTime := float64(rs.EndTime.Sub(rs.BeginTime)) / float64(time.Millisecond)
 
-		c.rpcDuration.Record(wctx, elapsedTime, metric.WithAttributes(metricAttrs...))
+		c.rpcDuration.Record(ctx, elapsedTime, metric.WithAttributes(metricAttrs...))
-		c.rpcRequestsPerRPC.Record(wctx, atomic.LoadInt64(&gctx.messagesReceived), metric.WithAttributes(metricAttrs...))
+		if gctx != nil {
-		c.rpcResponsesPerRPC.Record(wctx, atomic.LoadInt64(&gctx.messagesSent), metric.WithAttributes(metricAttrs...))
+			c.rpcRequestsPerRPC.Record(ctx, atomic.LoadInt64(&gctx.messagesReceived), metric.WithAttributes(metricAttrs...))
+			c.rpcResponsesPerRPC.Record(ctx, atomic.LoadInt64(&gctx.messagesSent), metric.WithAttributes(metricAttrs...))
+		}
 	default:
 		return
 	}
 }
-
-func withoutCancel(parent context.Context) context.Context {
-	if parent == nil {
-		panic("cannot create context from nil parent")
-	}
-	return withoutCancelCtx{parent}
-}
-
-type withoutCancelCtx struct {
-	c context.Context
-}
-
-func (withoutCancelCtx) Deadline() (deadline time.Time, ok bool) {
-	return
-}
-
-func (withoutCancelCtx) Done() <-chan struct{} {
-	return nil
-}
-
-func (withoutCancelCtx) Err() error {
-	return nil
-}
-
-func (w withoutCancelCtx) Value(key any) any {
-	return w.c.Value(key)
-}
-
-func (w withoutCancelCtx) String() string {
-	return "withoutCancel"
-}

vendor/go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc/version.go

@@ -16,7 +16,7 @@ package otelgrpc // import "go.opentelemetry.io/contrib/instrumentation/google.g
 
 // Version is the current release version of the gRPC instrumentation.
 func Version() string {
-	return "0.46.1"
+	return "0.48.0"
 	// This string is updated by the pre_release.sh script during release
 }
 

vendor/go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp/common.go

@@ -31,10 +31,24 @@ const (
 
 // Server HTTP metrics.
 const (
-	RequestCount          = "http.server.request_count"           // Incoming request count total
+	// Deprecated: This field is unused.
-	RequestContentLength  = "http.server.request_content_length"  // Incoming request bytes total
+	RequestCount = "http.server.request_count" // Incoming request count total
+	// Deprecated: Use of this field has been migrated to serverRequestSize. It will be removed in a future version.
+	RequestContentLength = "http.server.request_content_length" // Incoming request bytes total
+	// Deprecated: Use of this field has been migrated to serverResponseSize. It will be removed in a future version.
 	ResponseContentLength = "http.server.response_content_length" // Incoming response bytes total
-	ServerLatency         = "http.server.duration"                // Incoming end to end duration, microseconds
+	// Deprecated: Use of this field has been migrated to serverDuration. It will be removed in a future version.
+	ServerLatency      = "http.server.duration"      // Incoming end to end duration, milliseconds
+	serverRequestSize  = "http.server.request.size"  // Incoming request bytes total
+	serverResponseSize = "http.server.response.size" // Incoming response bytes total
+	serverDuration     = "http.server.duration"      // Incoming end to end duration, milliseconds
+)
+
+// Client HTTP metrics.
+const (
+	clientRequestSize  = "http.client.request.size"  // Outgoing request bytes total
+	clientResponseSize = "http.client.response.size" // Outgoing response bytes total
+	clientDuration     = "http.client.duration"      // Outgoing end to end duration, milliseconds
 )
 
 // Filter is a predicate used to determine whether a given http.request should
@@ -42,5 +56,5 @@ const (
 type Filter func(*http.Request) bool
 
 func newTracer(tp trace.TracerProvider) trace.Tracer {
-	return tp.Tracer(instrumentationName, trace.WithInstrumentationVersion(Version()))
+	return tp.Tracer(ScopeName, trace.WithInstrumentationVersion(Version()))
 }

vendor/go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp/config.go

@@ -25,9 +25,8 @@ import (
 	"go.opentelemetry.io/otel/trace"
 )
 
-const (
+// ScopeName is the instrumentation scope name.
-	instrumentationName = "go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp"
+const ScopeName = "go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp"
-)
 
 // config represents the configuration options available for the http.Handler
 // and http.Transport types.
@@ -76,7 +75,7 @@ func newConfig(opts ...Option) *config {
 	}
 
 	c.Meter = c.MeterProvider.Meter(
-		instrumentationName,
+		ScopeName,
 		metric.WithInstrumentationVersion(Version()),
 	)
 

vendor/go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp/handler.go

@@ -26,7 +26,7 @@ import (
 	"go.opentelemetry.io/otel/attribute"
 	"go.opentelemetry.io/otel/metric"
 	"go.opentelemetry.io/otel/propagation"
-	semconv "go.opentelemetry.io/otel/semconv/v1.17.0"
+	semconv "go.opentelemetry.io/otel/semconv/v1.20.0"
 	"go.opentelemetry.io/otel/trace"
 )
 
@@ -43,10 +43,12 @@ type middleware struct {
 	writeEvent        bool
 	filters           []Filter
 	spanNameFormatter func(string, *http.Request) string
-	counters          map[string]metric.Int64Counter
-	valueRecorders    map[string]metric.Float64Histogram
 	publicEndpoint    bool
 	publicEndpointFn  func(*http.Request) bool
+
+	requestBytesCounter  metric.Int64Counter
+	responseBytesCounter metric.Int64Counter
+	serverLatencyMeasure metric.Float64Histogram
 }
 
 func defaultHandlerFormatter(operation string, _ *http.Request) string {
@@ -104,21 +106,27 @@ func handleErr(err error) {
 }
 
 func (h *middleware) createMeasures() {
-	h.counters = make(map[string]metric.Int64Counter)
+	var err error
-	h.valueRecorders = make(map[string]metric.Float64Histogram)
+	h.requestBytesCounter, err = h.meter.Int64Counter(
-
+		serverRequestSize,
-	requestBytesCounter, err := h.meter.Int64Counter(RequestContentLength)
+		metric.WithUnit("By"),
+		metric.WithDescription("Measures the size of HTTP request messages."),
+	)
 	handleErr(err)
 
-	responseBytesCounter, err := h.meter.Int64Counter(ResponseContentLength)
+	h.responseBytesCounter, err = h.meter.Int64Counter(
+		serverResponseSize,
+		metric.WithUnit("By"),
+		metric.WithDescription("Measures the size of HTTP response messages."),
+	)
 	handleErr(err)
 
-	serverLatencyMeasure, err := h.meter.Float64Histogram(ServerLatency)
+	h.serverLatencyMeasure, err = h.meter.Float64Histogram(
+		serverDuration,
+		metric.WithUnit("ms"),
+		metric.WithDescription("Measures the duration of inbound HTTP requests."),
+	)
 	handleErr(err)
-
-	h.counters[RequestContentLength] = requestBytesCounter
-	h.counters[ResponseContentLength] = responseBytesCounter
-	h.valueRecorders[ServerLatency] = serverLatencyMeasure
 }
 
 // serveHTTP sets up tracing and calls the given next http.Handler with the span
@@ -224,13 +232,13 @@ func (h *middleware) serveHTTP(w http.ResponseWriter, r *http.Request, next http
 		attributes = append(attributes, semconv.HTTPStatusCode(rww.statusCode))
 	}
 	o := metric.WithAttributes(attributes...)
-	h.counters[RequestContentLength].Add(ctx, bw.read, o)
+	h.requestBytesCounter.Add(ctx, bw.read, o)
-	h.counters[ResponseContentLength].Add(ctx, rww.written, o)
+	h.responseBytesCounter.Add(ctx, rww.written, o)
 
 	// Use floating point division here for higher precision (instead of Millisecond method).
 	elapsedTime := float64(time.Since(requestStartTime)) / float64(time.Millisecond)
 
-	h.valueRecorders[ServerLatency].Record(ctx, elapsedTime, o)
+	h.serverLatencyMeasure.Record(ctx, elapsedTime, o)
 }
 
 func setAfterServeAttributes(span trace.Span, read, wrote int64, statusCode int, rerr, werr error) {

vendor/go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp/internal/semconvutil/httpconv.go

@@ -24,7 +24,7 @@ import (
 
 	"go.opentelemetry.io/otel/attribute"
 	"go.opentelemetry.io/otel/codes"
-	semconv "go.opentelemetry.io/otel/semconv/v1.17.0"
+	semconv "go.opentelemetry.io/otel/semconv/v1.20.0"
 )
 
 // HTTPClientResponse returns trace attributes for an HTTP response received by a
@@ -51,6 +51,14 @@ func HTTPClientRequest(req *http.Request) []attribute.KeyValue {
 	return hc.ClientRequest(req)
 }
 
+// HTTPClientRequestMetrics returns metric attributes for an HTTP request made by a client.
+// The following attributes are always returned: "http.method", "net.peer.name".
+// The following attributes are returned if the
+// related values are defined in req: "net.peer.port".
+func HTTPClientRequestMetrics(req *http.Request) []attribute.KeyValue {
+	return hc.ClientRequestMetrics(req)
+}
+
 // HTTPClientStatus returns a span status code and message for an HTTP status code
 // value received by a client.
 func HTTPClientStatus(code int) (codes.Code, string) {
@@ -114,44 +122,12 @@ func HTTPServerStatus(code int) (codes.Code, string) {
 	return hc.ServerStatus(code)
 }
 
-// HTTPRequestHeader returns the contents of h as attributes.
-//
-// Instrumentation should require an explicit configuration of which headers to
-// captured and then prune what they pass here. Including all headers can be a
-// security risk - explicit configuration helps avoid leaking sensitive
-// information.
-//
-// The User-Agent header is already captured in the http.user_agent attribute
-// from ClientRequest and ServerRequest. Instrumentation may provide an option
-// to capture that header here even though it is not recommended. Otherwise,
-// instrumentation should filter that out of what is passed.
-func HTTPRequestHeader(h http.Header) []attribute.KeyValue {
-	return hc.RequestHeader(h)
-}
-
-// HTTPResponseHeader returns the contents of h as attributes.
-//
-// Instrumentation should require an explicit configuration of which headers to
-// captured and then prune what they pass here. Including all headers can be a
-// security risk - explicit configuration helps avoid leaking sensitive
-// information.
-//
-// The User-Agent header is already captured in the http.user_agent attribute
-// from ClientRequest and ServerRequest. Instrumentation may provide an option
-// to capture that header here even though it is not recommended. Otherwise,
-// instrumentation should filter that out of what is passed.
-func HTTPResponseHeader(h http.Header) []attribute.KeyValue {
-	return hc.ResponseHeader(h)
-}
-
 // httpConv are the HTTP semantic convention attributes defined for a version
 // of the OpenTelemetry specification.
 type httpConv struct {
 	NetConv *netConv
 
-	EnduserIDKey                 attribute.Key
 	HTTPClientIPKey              attribute.Key
-	HTTPFlavorKey                attribute.Key
 	HTTPMethodKey                attribute.Key
 	HTTPRequestContentLengthKey  attribute.Key
 	HTTPResponseContentLengthKey attribute.Key
@@ -161,15 +137,13 @@ type httpConv struct {
 	HTTPStatusCodeKey            attribute.Key
 	HTTPTargetKey                attribute.Key
 	HTTPURLKey                   attribute.Key
-	HTTPUserAgentKey             attribute.Key
+	UserAgentOriginalKey         attribute.Key
 }
 
 var hc = &httpConv{
 	NetConv: nc,
 
-	EnduserIDKey:                 semconv.EnduserIDKey,
 	HTTPClientIPKey:              semconv.HTTPClientIPKey,
-	HTTPFlavorKey:                semconv.HTTPFlavorKey,
 	HTTPMethodKey:                semconv.HTTPMethodKey,
 	HTTPRequestContentLengthKey:  semconv.HTTPRequestContentLengthKey,
 	HTTPResponseContentLengthKey: semconv.HTTPResponseContentLengthKey,
@@ -179,7 +153,7 @@ var hc = &httpConv{
 	HTTPStatusCodeKey:            semconv.HTTPStatusCodeKey,
 	HTTPTargetKey:                semconv.HTTPTargetKey,
 	HTTPURLKey:                   semconv.HTTPURLKey,
-	HTTPUserAgentKey:             semconv.HTTPUserAgentKey,
+	UserAgentOriginalKey:         semconv.UserAgentOriginalKey,
 }
 
 // ClientResponse returns attributes for an HTTP response received by a client
@@ -193,6 +167,10 @@ var hc = &httpConv{
 //
 //	append(ClientResponse(resp), ClientRequest(resp.Request)...)
 func (c *httpConv) ClientResponse(resp *http.Response) []attribute.KeyValue {
+	/* The following semantic conventions are returned if present:
+	http.status_code                int
+	http.response_content_length    int
+	*/
 	var n int
 	if resp.StatusCode > 0 {
 		n++
@@ -212,11 +190,31 @@ func (c *httpConv) ClientResponse(resp *http.Response) []attribute.KeyValue {
 }
 
 // ClientRequest returns attributes for an HTTP request made by a client. The
-// following attributes are always returned: "http.url", "http.flavor",
+// following attributes are always returned: "http.url", "http.method",
-// "http.method", "net.peer.name". The following attributes are returned if the
+// "net.peer.name". The following attributes are returned if the related values
-// related values are defined in req: "net.peer.port", "http.user_agent",
+// are defined in req: "net.peer.port", "http.user_agent",
-// "http.request_content_length", "enduser.id".
+// "http.request_content_length", "user_agent.original".
 func (c *httpConv) ClientRequest(req *http.Request) []attribute.KeyValue {
+	/* The following semantic conventions are returned if present:
+	http.method                     string
+	user_agent.original             string
+	http.url                        string
+	net.peer.name                   string
+	net.peer.port                   int
+	http.request_content_length     int
+	*/
+
+	/* The following semantic conventions are not returned:
+	http.status_code                This requires the response. See ClientResponse.
+	http.response_content_length    This requires the response. See ClientResponse.
+	net.sock.family                 This requires the socket used.
+	net.sock.peer.addr              This requires the socket used.
+	net.sock.peer.name              This requires the socket used.
+	net.sock.peer.port              This requires the socket used.
+	http.resend_count               This is something outside of a single request.
+	net.protocol.name               The value is the Request is ignored, and the go client will always use "http".
+	net.protocol.version            The value in the Request is ignored, and the go client will always use 1.1 or 2.0.
+	*/
 	n := 3 // URL, peer name, proto, and method.
 	var h string
 	if req.URL != nil {
@@ -234,14 +232,10 @@ func (c *httpConv) ClientRequest(req *http.Request) []attribute.KeyValue {
 	if req.ContentLength > 0 {
 		n++
 	}
-	userID, _, hasUserID := req.BasicAuth()
+
-	if hasUserID {
-		n++
-	}
 	attrs := make([]attribute.KeyValue, 0, n)
 
 	attrs = append(attrs, c.method(req.Method))
-	attrs = append(attrs, c.flavor(req.Proto))
 
 	var u string
 	if req.URL != nil {
@@ -260,15 +254,43 @@ func (c *httpConv) ClientRequest(req *http.Request) []attribute.KeyValue {
 	}
 
 	if useragent != "" {
-		attrs = append(attrs, c.HTTPUserAgentKey.String(useragent))
+		attrs = append(attrs, c.UserAgentOriginalKey.String(useragent))
 	}
 
 	if l := req.ContentLength; l > 0 {
 		attrs = append(attrs, c.HTTPRequestContentLengthKey.Int64(l))
 	}
 
-	if hasUserID {
+	return attrs
-		attrs = append(attrs, c.EnduserIDKey.String(userID))
+}
+
+// ClientRequestMetrics returns metric attributes for an HTTP request made by a client. The
+// following attributes are always returned: "http.method", "net.peer.name".
+// The following attributes are returned if the related values
+// are defined in req: "net.peer.port".
+func (c *httpConv) ClientRequestMetrics(req *http.Request) []attribute.KeyValue {
+	/* The following semantic conventions are returned if present:
+	http.method                     string
+	net.peer.name                   string
+	net.peer.port                   int
+	*/
+
+	n := 2 // method, peer name.
+	var h string
+	if req.URL != nil {
+		h = req.URL.Host
+	}
+	peer, p := firstHostPort(h, req.Header.Get("Host"))
+	port := requiredHTTPPort(req.URL != nil && req.URL.Scheme == "https", p)
+	if port > 0 {
+		n++
+	}
+
+	attrs := make([]attribute.KeyValue, 0, n)
+	attrs = append(attrs, c.method(req.Method), c.NetConv.PeerName(peer))
+
+	if port > 0 {
+		attrs = append(attrs, c.NetConv.PeerPort(port))
 	}
 
 	return attrs
@@ -291,18 +313,35 @@ func (c *httpConv) ClientRequest(req *http.Request) []attribute.KeyValue {
 // The req Host will be used to determine the server instead.
 //
 // The following attributes are always returned: "http.method", "http.scheme",
-// "http.flavor", "http.target", "net.host.name". The following attributes are
+// "http.target", "net.host.name". The following attributes are returned if they
-// returned if they related values are defined in req: "net.host.port",
+// related values are defined in req: "net.host.port", "net.sock.peer.addr",
-// "net.sock.peer.addr", "net.sock.peer.port", "http.user_agent", "enduser.id",
+// "net.sock.peer.port", "user_agent.original", "http.client_ip",
-// "http.client_ip".
+// "net.protocol.name", "net.protocol.version".
 func (c *httpConv) ServerRequest(server string, req *http.Request) []attribute.KeyValue {
-	// TODO: This currently does not add the specification required
+	/* The following semantic conventions are returned if present:
-	// `http.target` attribute. It has too high of a cardinality to safely be
+	http.method             string
-	// added. An alternate should be added, or this comment removed, when it is
+	http.scheme             string
-	// addressed by the specification. If it is ultimately decided to continue
+	net.host.name           string
-	// not including the attribute, the HTTPTargetKey field of the httpConv
+	net.host.port           int
-	// should be removed as well.
+	net.sock.peer.addr      string
+	net.sock.peer.port      int
+	user_agent.original     string
+	http.client_ip          string
+	net.protocol.name       string Note: not set if the value is "http".
+	net.protocol.version    string
+	http.target             string Note: doesn't include the query parameter.
+	*/
 
+	/* The following semantic conventions are not returned:
+	http.status_code                This requires the response.
+	http.request_content_length     This requires the len() of body, which can mutate it.
+	http.response_content_length    This requires the response.
+	http.route                      This is not available.
+	net.sock.peer.name              This would require a DNS lookup.
+	net.sock.host.addr              The request doesn't have access to the underlying socket.
+	net.sock.host.port              The request doesn't have access to the underlying socket.
+
+	*/
 	n := 4 // Method, scheme, proto, and host name.
 	var host string
 	var p int
@@ -330,19 +369,31 @@ func (c *httpConv) ServerRequest(server string, req *http.Request) []attribute.K
 	if useragent != "" {
 		n++
 	}
-	userID, _, hasUserID := req.BasicAuth()
+
-	if hasUserID {
-		n++
-	}
 	clientIP := serverClientIP(req.Header.Get("X-Forwarded-For"))
 	if clientIP != "" {
 		n++
 	}
+
+	var target string
+	if req.URL != nil {
+		target = req.URL.Path
+		if target != "" {
+			n++
+		}
+	}
+	protoName, protoVersion := netProtocol(req.Proto)
+	if protoName != "" && protoName != "http" {
+		n++
+	}
+	if protoVersion != "" {
+		n++
+	}
+
 	attrs := make([]attribute.KeyValue, 0, n)
 
 	attrs = append(attrs, c.method(req.Method))
 	attrs = append(attrs, c.scheme(req.TLS != nil))
-	attrs = append(attrs, c.flavor(req.Proto))
 	attrs = append(attrs, c.NetConv.HostName(host))
 
 	if hostPort > 0 {
@@ -359,17 +410,24 @@ func (c *httpConv) ServerRequest(server string, req *http.Request) []attribute.K
 	}
 
 	if useragent != "" {
-		attrs = append(attrs, c.HTTPUserAgentKey.String(useragent))
+		attrs = append(attrs, c.UserAgentOriginalKey.String(useragent))
-	}
-
-	if hasUserID {
-		attrs = append(attrs, c.EnduserIDKey.String(userID))
 	}
 
 	if clientIP != "" {
 		attrs = append(attrs, c.HTTPClientIPKey.String(clientIP))
 	}
 
+	if target != "" {
+		attrs = append(attrs, c.HTTPTargetKey.String(target))
+	}
+
+	if protoName != "" && protoName != "http" {
+		attrs = append(attrs, c.NetConv.NetProtocolName.String(protoName))
+	}
+	if protoVersion != "" {
+		attrs = append(attrs, c.NetConv.NetProtocolVersion.String(protoVersion))
+	}
+
 	return attrs
 }
 
@@ -394,14 +452,18 @@ func (c *httpConv) ServerRequest(server string, req *http.Request) []attribute.K
 // "http.flavor", "net.host.name". The following attributes are
 // returned if they related values are defined in req: "net.host.port".
 func (c *httpConv) ServerRequestMetrics(server string, req *http.Request) []attribute.KeyValue {
-	// TODO: This currently does not add the specification required
+	/* The following semantic conventions are returned if present:
-	// `http.target` attribute. It has too high of a cardinality to safely be
+	http.scheme             string
-	// added. An alternate should be added, or this comment removed, when it is
+	http.route              string
-	// addressed by the specification. If it is ultimately decided to continue
+	http.method             string
-	// not including the attribute, the HTTPTargetKey field of the httpConv
+	http.status_code        int
-	// should be removed as well.
+	net.host.name           string
+	net.host.port           int
+	net.protocol.name       string Note: not set if the value is "http".
+	net.protocol.version    string
+	*/
 
-	n := 4 // Method, scheme, proto, and host name.
+	n := 3 // Method, scheme, and host name.
 	var host string
 	var p int
 	if server == "" {
@@ -417,16 +479,29 @@ func (c *httpConv) ServerRequestMetrics(server string, req *http.Request) []attr
 	if hostPort > 0 {
 		n++
 	}
+	protoName, protoVersion := netProtocol(req.Proto)
+	if protoName != "" {
+		n++
+	}
+	if protoVersion != "" {
+		n++
+	}
+
 	attrs := make([]attribute.KeyValue, 0, n)
 
 	attrs = append(attrs, c.methodMetric(req.Method))
 	attrs = append(attrs, c.scheme(req.TLS != nil))
-	attrs = append(attrs, c.flavor(req.Proto))
 	attrs = append(attrs, c.NetConv.HostName(host))
 
 	if hostPort > 0 {
 		attrs = append(attrs, c.NetConv.HostPort(hostPort))
 	}
+	if protoName != "" {
+		attrs = append(attrs, c.NetConv.NetProtocolName.String(protoName))
+	}
+	if protoVersion != "" {
+		attrs = append(attrs, c.NetConv.NetProtocolVersion.String(protoVersion))
+	}
 
 	return attrs
 }
@@ -455,21 +530,6 @@ func (c *httpConv) scheme(https bool) attribute.KeyValue { // nolint:revive
 	return c.HTTPSchemeHTTP
 }
 
-func (c *httpConv) flavor(proto string) attribute.KeyValue {
-	switch proto {
-	case "HTTP/1.0":
-		return c.HTTPFlavorKey.String("1.0")
-	case "HTTP/1.1":
-		return c.HTTPFlavorKey.String("1.1")
-	case "HTTP/2":
-		return c.HTTPFlavorKey.String("2.0")
-	case "HTTP/3":
-		return c.HTTPFlavorKey.String("3.0")
-	default:
-		return c.HTTPFlavorKey.String(proto)
-	}
-}
-
 func serverClientIP(xForwardedFor string) string {
 	if idx := strings.Index(xForwardedFor, ","); idx >= 0 {
 		xForwardedFor = xForwardedFor[:idx]
@@ -501,31 +561,6 @@ func firstHostPort(source ...string) (host string, port int) {
 	return
 }
 
-// RequestHeader returns the contents of h as OpenTelemetry attributes.
-func (c *httpConv) RequestHeader(h http.Header) []attribute.KeyValue {
-	return c.header("http.request.header", h)
-}
-
-// ResponseHeader returns the contents of h as OpenTelemetry attributes.
-func (c *httpConv) ResponseHeader(h http.Header) []attribute.KeyValue {
-	return c.header("http.response.header", h)
-}
-
-func (c *httpConv) header(prefix string, h http.Header) []attribute.KeyValue {
-	key := func(k string) attribute.Key {
-		k = strings.ToLower(k)
-		k = strings.ReplaceAll(k, "-", "_")
-		k = fmt.Sprintf("%s.%s", prefix, k)
-		return attribute.Key(k)
-	}
-
-	attrs := make([]attribute.KeyValue, 0, len(h))
-	for k, v := range h {
-		attrs = append(attrs, key(k).StringSlice(v))
-	}
-	return attrs
-}
-
 // ClientStatus returns a span status code and message for an HTTP status code
 // value received by a client.
 func (c *httpConv) ClientStatus(code int) (codes.Code, string) {

vendor/go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp/internal/semconvutil/netconv.go

@@ -22,7 +22,7 @@ import (
 	"strings"
 
 	"go.opentelemetry.io/otel/attribute"
-	semconv "go.opentelemetry.io/otel/semconv/v1.17.0"
+	semconv "go.opentelemetry.io/otel/semconv/v1.20.0"
 )
 
 // NetTransport returns a trace attribute describing the transport protocol of the
@@ -32,24 +32,6 @@ func NetTransport(network string) attribute.KeyValue {
 	return nc.Transport(network)
 }
 
-// NetClient returns trace attributes for a client network connection to address.
-// See net.Dial for information about acceptable address values, address should
-// be the same as the one used to create conn. If conn is nil, only network
-// peer attributes will be returned that describe address. Otherwise, the
-// socket level information about conn will also be included.
-func NetClient(address string, conn net.Conn) []attribute.KeyValue {
-	return nc.Client(address, conn)
-}
-
-// NetServer returns trace attributes for a network listener listening at address.
-// See net.Listen for information about acceptable address values, address
-// should be the same as the one used to create ln. If ln is nil, only network
-// host attributes will be returned that describe address. Otherwise, the
-// socket level information about ln will also be included.
-func NetServer(address string, ln net.Listener) []attribute.KeyValue {
-	return nc.Server(address, ln)
-}
-
 // netConv are the network semantic convention attributes defined for a version
 // of the OpenTelemetry specification.
 type netConv struct {
@@ -57,6 +39,8 @@ type netConv struct {
 	NetHostPortKey     attribute.Key
 	NetPeerNameKey     attribute.Key
 	NetPeerPortKey     attribute.Key
+	NetProtocolName    attribute.Key
+	NetProtocolVersion attribute.Key
 	NetSockFamilyKey   attribute.Key
 	NetSockPeerAddrKey attribute.Key
 	NetSockPeerPortKey attribute.Key
@@ -73,6 +57,8 @@ var nc = &netConv{
 	NetHostPortKey:     semconv.NetHostPortKey,
 	NetPeerNameKey:     semconv.NetPeerNameKey,
 	NetPeerPortKey:     semconv.NetPeerPortKey,
+	NetProtocolName:    semconv.NetProtocolNameKey,
+	NetProtocolVersion: semconv.NetProtocolVersionKey,
 	NetSockFamilyKey:   semconv.NetSockFamilyKey,
 	NetSockPeerAddrKey: semconv.NetSockPeerAddrKey,
 	NetSockPeerPortKey: semconv.NetSockPeerPortKey,
@@ -121,52 +107,6 @@ func (c *netConv) Host(address string) []attribute.KeyValue {
 	return attrs
 }
 
-// Server returns attributes for a network listener listening at address. See
-// net.Listen for information about acceptable address values, address should
-// be the same as the one used to create ln. If ln is nil, only network host
-// attributes will be returned that describe address. Otherwise, the socket
-// level information about ln will also be included.
-func (c *netConv) Server(address string, ln net.Listener) []attribute.KeyValue {
-	if ln == nil {
-		return c.Host(address)
-	}
-
-	lAddr := ln.Addr()
-	if lAddr == nil {
-		return c.Host(address)
-	}
-
-	hostName, hostPort := splitHostPort(address)
-	sockHostAddr, sockHostPort := splitHostPort(lAddr.String())
-	network := lAddr.Network()
-	sockFamily := family(network, sockHostAddr)
-
-	n := nonZeroStr(hostName, network, sockHostAddr, sockFamily)
-	n += positiveInt(hostPort, sockHostPort)
-	attr := make([]attribute.KeyValue, 0, n)
-	if hostName != "" {
-		attr = append(attr, c.HostName(hostName))
-		if hostPort > 0 {
-			// Only if net.host.name is set should net.host.port be.
-			attr = append(attr, c.HostPort(hostPort))
-		}
-	}
-	if network != "" {
-		attr = append(attr, c.Transport(network))
-	}
-	if sockFamily != "" {
-		attr = append(attr, c.NetSockFamilyKey.String(sockFamily))
-	}
-	if sockHostAddr != "" {
-		attr = append(attr, c.NetSockHostAddrKey.String(sockHostAddr))
-		if sockHostPort > 0 {
-			// Only if net.sock.host.addr is set should net.sock.host.port be.
-			attr = append(attr, c.NetSockHostPortKey.Int(sockHostPort))
-		}
-	}
-	return attr
-}
-
 func (c *netConv) HostName(name string) attribute.KeyValue {
 	return c.NetHostNameKey.String(name)
 }
@@ -175,85 +115,6 @@ func (c *netConv) HostPort(port int) attribute.KeyValue {
 	return c.NetHostPortKey.Int(port)
 }
 
-// Client returns attributes for a client network connection to address. See
-// net.Dial for information about acceptable address values, address should be
-// the same as the one used to create conn. If conn is nil, only network peer
-// attributes will be returned that describe address. Otherwise, the socket
-// level information about conn will also be included.
-func (c *netConv) Client(address string, conn net.Conn) []attribute.KeyValue {
-	if conn == nil {
-		return c.Peer(address)
-	}
-
-	lAddr, rAddr := conn.LocalAddr(), conn.RemoteAddr()
-
-	var network string
-	switch {
-	case lAddr != nil:
-		network = lAddr.Network()
-	case rAddr != nil:
-		network = rAddr.Network()
-	default:
-		return c.Peer(address)
-	}
-
-	peerName, peerPort := splitHostPort(address)
-	var (
-		sockFamily   string
-		sockPeerAddr string
-		sockPeerPort int
-		sockHostAddr string
-		sockHostPort int
-	)
-
-	if lAddr != nil {
-		sockHostAddr, sockHostPort = splitHostPort(lAddr.String())
-	}
-
-	if rAddr != nil {
-		sockPeerAddr, sockPeerPort = splitHostPort(rAddr.String())
-	}
-
-	switch {
-	case sockHostAddr != "":
-		sockFamily = family(network, sockHostAddr)
-	case sockPeerAddr != "":
-		sockFamily = family(network, sockPeerAddr)
-	}
-
-	n := nonZeroStr(peerName, network, sockPeerAddr, sockHostAddr, sockFamily)
-	n += positiveInt(peerPort, sockPeerPort, sockHostPort)
-	attr := make([]attribute.KeyValue, 0, n)
-	if peerName != "" {
-		attr = append(attr, c.PeerName(peerName))
-		if peerPort > 0 {
-			// Only if net.peer.name is set should net.peer.port be.
-			attr = append(attr, c.PeerPort(peerPort))
-		}
-	}
-	if network != "" {
-		attr = append(attr, c.Transport(network))
-	}
-	if sockFamily != "" {
-		attr = append(attr, c.NetSockFamilyKey.String(sockFamily))
-	}
-	if sockPeerAddr != "" {
-		attr = append(attr, c.NetSockPeerAddrKey.String(sockPeerAddr))
-		if sockPeerPort > 0 {
-			// Only if net.sock.peer.addr is set should net.sock.peer.port be.
-			attr = append(attr, c.NetSockPeerPortKey.Int(sockPeerPort))
-		}
-	}
-	if sockHostAddr != "" {
-		attr = append(attr, c.NetSockHostAddrKey.String(sockHostAddr))
-		if sockHostPort > 0 {
-			// Only if net.sock.host.addr is set should net.sock.host.port be.
-			attr = append(attr, c.NetSockHostPortKey.Int(sockHostPort))
-		}
-	}
-	return attr
-}
-
 func family(network, address string) string {
 	switch network {
 	case "unix", "unixgram", "unixpacket":
@@ -269,26 +130,6 @@ func family(network, address string) string {
 	return ""
 }
 
-func nonZeroStr(strs ...string) int {
-	var n int
-	for _, str := range strs {
-		if str != "" {
-			n++
-		}
-	}
-	return n
-}
-
-func positiveInt(ints ...int) int {
-	var n int
-	for _, i := range ints {
-		if i > 0 {
-			n++
-		}
-	}
-	return n
-}
-
 // Peer returns attributes for a network peer address.
 func (c *netConv) Peer(address string) []attribute.KeyValue {
 	h, p := splitHostPort(address)
@@ -366,3 +207,9 @@ func splitHostPort(hostport string) (host string, port int) {
 	}
 	return host, int(p)
 }
+
+func netProtocol(proto string) (name string, version string) {
+	name, version, _ = strings.Cut(proto, "/")
+	name = strings.ToLower(name)
+	return name, version
+}

vendor/go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp/transport.go

@@ -19,31 +19,43 @@ import (
 	"io"
 	"net/http"
 	"net/http/httptrace"
+	"sync/atomic"
+	"time"
+
+	"go.opentelemetry.io/otel/metric"
 
 	"go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp/internal/semconvutil"
 	"go.opentelemetry.io/otel"
 	"go.opentelemetry.io/otel/codes"
 	"go.opentelemetry.io/otel/propagation"
 	"go.opentelemetry.io/otel/trace"
+
+	semconv "go.opentelemetry.io/otel/semconv/v1.20.0"
 )
 
 // Transport implements the http.RoundTripper interface and wraps
-// outbound HTTP(S) requests with a span.
+// outbound HTTP(S) requests with a span and enriches it with metrics.
 type Transport struct {
 	rt http.RoundTripper
 
 	tracer            trace.Tracer
+	meter             metric.Meter
 	propagators       propagation.TextMapPropagator
 	spanStartOptions  []trace.SpanStartOption
 	filters           []Filter
 	spanNameFormatter func(string, *http.Request) string
 	clientTrace       func(context.Context) *httptrace.ClientTrace
+
+	requestBytesCounter  metric.Int64Counter
+	responseBytesCounter metric.Int64Counter
+	latencyMeasure       metric.Float64Histogram
 }
 
 var _ http.RoundTripper = &Transport{}
 
 // NewTransport wraps the provided http.RoundTripper with one that
-// starts a span and injects the span context into the outbound request headers.
+// starts a span, injects the span context into the outbound request headers,
+// and enriches it with metrics.
 //
 // If the provided http.RoundTripper is nil, http.DefaultTransport will be used
 // as the base http.RoundTripper.
@@ -63,12 +75,14 @@ func NewTransport(base http.RoundTripper, opts ...Option) *Transport {
 
 	c := newConfig(append(defaultOpts, opts...)...)
 	t.applyConfig(c)
+	t.createMeasures()
 
 	return &t
 }
 
 func (t *Transport) applyConfig(c *config) {
 	t.tracer = c.Tracer
+	t.meter = c.Meter
 	t.propagators = c.Propagators
 	t.spanStartOptions = c.SpanStartOptions
 	t.filters = c.Filters
@@ -76,6 +90,30 @@ func (t *Transport) applyConfig(c *config) {
 	t.clientTrace = c.ClientTrace
 }
 
+func (t *Transport) createMeasures() {
+	var err error
+	t.requestBytesCounter, err = t.meter.Int64Counter(
+		clientRequestSize,
+		metric.WithUnit("By"),
+		metric.WithDescription("Measures the size of HTTP request messages."),
+	)
+	handleErr(err)
+
+	t.responseBytesCounter, err = t.meter.Int64Counter(
+		clientResponseSize,
+		metric.WithUnit("By"),
+		metric.WithDescription("Measures the size of HTTP response messages."),
+	)
+	handleErr(err)
+
+	t.latencyMeasure, err = t.meter.Float64Histogram(
+		clientDuration,
+		metric.WithUnit("ms"),
+		metric.WithDescription("Measures the duration of outbound HTTP requests."),
+	)
+	handleErr(err)
+}
+
 func defaultTransportFormatter(_ string, r *http.Request) string {
 	return "HTTP " + r.Method
 }
@@ -84,6 +122,7 @@ func defaultTransportFormatter(_ string, r *http.Request) string {
 // before handing the request to the configured base RoundTripper. The created span will
 // end when the response body is closed or when a read from the body returns io.EOF.
 func (t *Transport) RoundTrip(r *http.Request) (*http.Response, error) {
+	requestStartTime := time.Now()
 	for _, f := range t.filters {
 		if !f(r) {
 			// Simply pass through to the base RoundTripper if a filter rejects the request
@@ -109,7 +148,23 @@ func (t *Transport) RoundTrip(r *http.Request) (*http.Response, error) {
 		ctx = httptrace.WithClientTrace(ctx, t.clientTrace(ctx))
 	}
 
+	labeler := &Labeler{}
+	ctx = injectLabeler(ctx, labeler)
+
 	r = r.Clone(ctx) // According to RoundTripper spec, we shouldn't modify the origin request.
+
+	// use a body wrapper to determine the request size
+	var bw bodyWrapper
+	// if request body is nil or NoBody, we don't want to mutate the body as it
+	// will affect the identity of it in an unforeseeable way because we assert
+	// ReadCloser fulfills a certain interface and it is indeed nil or NoBody.
+	if r.Body != nil && r.Body != http.NoBody {
+		bw.ReadCloser = r.Body
+		// noop to prevent nil panic. not using this record fun yet.
+		bw.record = func(int64) {}
+		r.Body = &bw
+	}
+
 	span.SetAttributes(semconvutil.HTTPClientRequest(r)...)
 	t.propagators.Inject(ctx, propagation.HeaderCarrier(r.Header))
 
@@ -121,9 +176,28 @@ func (t *Transport) RoundTrip(r *http.Request) (*http.Response, error) {
 		return res, err
 	}
 
+	// metrics
+	metricAttrs := append(labeler.Get(), semconvutil.HTTPClientRequestMetrics(r)...)
+	if res.StatusCode > 0 {
+		metricAttrs = append(metricAttrs, semconv.HTTPStatusCode(res.StatusCode))
+	}
+	o := metric.WithAttributes(metricAttrs...)
+	t.requestBytesCounter.Add(ctx, bw.read, o)
+	// For handling response bytes we leverage a callback when the client reads the http response
+	readRecordFunc := func(n int64) {
+		t.responseBytesCounter.Add(ctx, n, o)
+	}
+
+	// traces
 	span.SetAttributes(semconvutil.HTTPClientResponse(res)...)
 	span.SetStatus(semconvutil.HTTPClientStatus(res.StatusCode))
-	res.Body = newWrappedBody(span, res.Body)
+
+	res.Body = newWrappedBody(span, readRecordFunc, res.Body)
+
+	// Use floating point division here for higher precision (instead of Millisecond method).
+	elapsedTime := float64(time.Since(requestStartTime)) / float64(time.Millisecond)
+
+	t.latencyMeasure.Record(ctx, elapsedTime, o)
 
 	return res, err
 }
@@ -131,17 +205,17 @@ func (t *Transport) RoundTrip(r *http.Request) (*http.Response, error) {
 // newWrappedBody returns a new and appropriately scoped *wrappedBody as an
 // io.ReadCloser. If the passed body implements io.Writer, the returned value
 // will implement io.ReadWriteCloser.
-func newWrappedBody(span trace.Span, body io.ReadCloser) io.ReadCloser {
+func newWrappedBody(span trace.Span, record func(n int64), body io.ReadCloser) io.ReadCloser {
 	// The successful protocol switch responses will have a body that
 	// implement an io.ReadWriteCloser. Ensure this interface type continues
 	// to be satisfied if that is the case.
 	if _, ok := body.(io.ReadWriteCloser); ok {
-		return &wrappedBody{span: span, body: body}
+		return &wrappedBody{span: span, record: record, body: body}
 	}
 
 	// Remove the implementation of the io.ReadWriteCloser and only implement
 	// the io.ReadCloser.
-	return struct{ io.ReadCloser }{&wrappedBody{span: span, body: body}}
+	return struct{ io.ReadCloser }{&wrappedBody{span: span, record: record, body: body}}
 }
 
 // wrappedBody is the response body type returned by the transport
@@ -153,8 +227,11 @@ func newWrappedBody(span trace.Span, body io.ReadCloser) io.ReadCloser {
 // If the response body implements the io.Writer interface (i.e. for
 // successful protocol switches), the wrapped body also will.
 type wrappedBody struct {
-	span trace.Span
+	span     trace.Span
-	body io.ReadCloser
+	recorded atomic.Bool
+	record   func(n int64)
+	body     io.ReadCloser
+	read     atomic.Int64
 }
 
 var _ io.ReadWriteCloser = &wrappedBody{}
@@ -171,11 +248,14 @@ func (wb *wrappedBody) Write(p []byte) (int, error) {
 
 func (wb *wrappedBody) Read(b []byte) (int, error) {
 	n, err := wb.body.Read(b)
+	// Record the number of bytes read
+	wb.read.Add(int64(n))
 
 	switch err {
 	case nil:
 		// nothing to do here but fall through to the return
 	case io.EOF:
+		wb.recordBytesRead()
 		wb.span.End()
 	default:
 		wb.span.RecordError(err)
@@ -184,7 +264,20 @@ func (wb *wrappedBody) Read(b []byte) (int, error) {
 	return n, err
 }
 
+// recordBytesRead is a function that ensures the number of bytes read is recorded once and only once.
+func (wb *wrappedBody) recordBytesRead() {
+	// note: it is more performant (and equally correct) to use atomic.Bool over sync.Once here. In the event that
+	// two goroutines are racing to call this method, the number of bytes read will no longer increase. Using
+	// CompareAndSwap allows later goroutines to return quickly and not block waiting for the race winner to finish
+	// calling wb.record(wb.read.Load()).
+	if wb.recorded.CompareAndSwap(false, true) {
+		// Record the total number of bytes read
+		wb.record(wb.read.Load())
+	}
+}
+
 func (wb *wrappedBody) Close() error {
+	wb.recordBytesRead()
 	wb.span.End()
 	if wb.body != nil {
 		return wb.body.Close()

vendor/go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp/version.go

@@ -16,7 +16,7 @@ package otelhttp // import "go.opentelemetry.io/contrib/instrumentation/net/http
 
 // Version is the current release version of the otelhttp instrumentation.
 func Version() string {
-	return "0.45.0"
+	return "0.48.0"
 	// This string is updated by the pre_release.sh script during release
 }
 

vendor/go.opentelemetry.io/otel/CHANGELOG.md

@@ -8,6 +8,100 @@ This project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.htm
 
 ## [Unreleased]
 
+## [1.23.1] 2024-02-07
+
+### Fixed
+
+- Register all callbacks passed during observable instrument creation instead of just the last one multiple times in `go.opentelemetry.io/otel/sdk/metric`. (#4888)
+
+## [1.23.0] 2024-02-06
+
+This release contains the first stable, `v1`, release of the following modules:
+
+- `go.opentelemetry.io/otel/bridge/opencensus`
+- `go.opentelemetry.io/otel/bridge/opencensus/test`
+- `go.opentelemetry.io/otel/example/opencensus`
+- `go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc`
+- `go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp`
+- `go.opentelemetry.io/otel/exporters/stdout/stdoutmetric`
+
+See our [versioning policy](VERSIONING.md) for more information about these stability guarantees.
+
+### Added
+
+- Add `WithEndpointURL` option to the `exporters/otlp/otlpmetric/otlpmetricgrpc`, `exporters/otlp/otlpmetric/otlpmetrichttp`, `exporters/otlp/otlptrace/otlptracegrpc` and `exporters/otlp/otlptrace/otlptracehttp` packages. (#4808)
+- Experimental exemplar exporting is added to the metric SDK.
+  See [metric documentation](./sdk/metric/EXPERIMENTAL.md#exemplars) for more information about this feature and how to enable it. (#4871)
+- `ErrSchemaURLConflict` is added to `go.opentelemetry.io/otel/sdk/resource`.
+  This error is returned when a merge of two `Resource`s with different (non-empty) schema URL is attempted. (#4876)
+
+### Changed
+
+- The `Merge` and `New` functions in `go.opentelemetry.io/otel/sdk/resource` now returns a partial result if there is a schema URL merge conflict.
+  Instead of returning `nil` when two `Resource`s with different (non-empty) schema URLs are merged the merged `Resource`, along with the new `ErrSchemaURLConflict` error, is returned.
+  It is up to the user to decide if they want to use the returned `Resource` or not.
+  It may have desired attributes overwritten or include stale semantic conventions. (#4876)
+
+### Fixed
+
+- Fix `ContainerID` resource detection on systemd when cgroup path has a colon. (#4449)
+- Fix `go.opentelemetry.io/otel/sdk/metric` to cache instruments to avoid leaking memory when the same instrument is created multiple times. (#4820)
+- Fix missing `Mix` and `Max` values for `go.opentelemetry.io/otel/exporters/stdout/stdoutmetric` by introducing `MarshalText` and `MarshalJSON` for the `Extrema` type in `go.opentelemetry.io/sdk/metric/metricdata`. (#4827)
+
+## [1.23.0-rc.1] 2024-01-18
+
+This is a release candidate for the v1.23.0 release.
+That release is expected to include the `v1` release of the following modules:
+
+- `go.opentelemetry.io/otel/bridge/opencensus`
+- `go.opentelemetry.io/otel/bridge/opencensus/test`
+- `go.opentelemetry.io/otel/example/opencensus`
+- `go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc`
+- `go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp`
+- `go.opentelemetry.io/otel/exporters/stdout/stdoutmetric`
+
+See our [versioning policy](VERSIONING.md) for more information about these stability guarantees.
+
+## [1.22.0/0.45.0] 2024-01-17
+
+### Added
+
+- The `go.opentelemetry.io/otel/semconv/v1.22.0` package.
+  The package contains semantic conventions from the `v1.22.0` version of the OpenTelemetry Semantic Conventions. (#4735)
+- The `go.opentelemetry.io/otel/semconv/v1.23.0` package.
+  The package contains semantic conventions from the `v1.23.0` version of the OpenTelemetry Semantic Conventions. (#4746)
+- The `go.opentelemetry.io/otel/semconv/v1.23.1` package.
+  The package contains semantic conventions from the `v1.23.1` version of the OpenTelemetry Semantic Conventions. (#4749)
+- The `go.opentelemetry.io/otel/semconv/v1.24.0` package.
+  The package contains semantic conventions from the `v1.24.0` version of the OpenTelemetry Semantic Conventions. (#4770)
+- Add `WithResourceAsConstantLabels` option to apply resource attributes for every metric emitted by the Prometheus exporter. (#4733)
+- Experimental cardinality limiting is added to the metric SDK.
+  See [metric documentation](./sdk/metric/EXPERIMENTAL.md#cardinality-limit) for more information about this feature and how to enable it. (#4457)
+- Add `NewMemberRaw` and `NewKeyValuePropertyRaw` in `go.opentelemetry.io/otel/baggage`. (#4804)
+
+### Changed
+
+- Upgrade all use of `go.opentelemetry.io/otel/semconv` to use `v1.24.0`. (#4754)
+- Update transformations in `go.opentelemetry.io/otel/exporters/zipkin` to follow `v1.24.0` version of the OpenTelemetry specification. (#4754)
+- Record synchronous measurements when the passed context is canceled instead of dropping in `go.opentelemetry.io/otel/sdk/metric`.
+  If you do not want to make a measurement when the context is cancelled, you need to handle it yourself (e.g  `if ctx.Err() != nil`). (#4671)
+- Improve `go.opentelemetry.io/otel/trace.TraceState`'s performance. (#4722)
+- Improve `go.opentelemetry.io/otel/propagation.TraceContext`'s performance. (#4721)
+- Improve `go.opentelemetry.io/otel/baggage` performance. (#4743)
+- Improve performance of the `(*Set).Filter` method in `go.opentelemetry.io/otel/attribute` when the passed filter does not filter out any attributes from the set. (#4774)
+- `Member.String` in `go.opentelemetry.io/otel/baggage` percent-encodes only when necessary. (#4775)
+- Improve `go.opentelemetry.io/otel/trace.Span`'s performance when adding multiple attributes. (#4818)
+- `Property.Value` in `go.opentelemetry.io/otel/baggage` now returns a raw string instead of a percent-encoded value. (#4804)
+
+### Fixed
+
+- Fix `Parse` in `go.opentelemetry.io/otel/baggage` to validate member value before percent-decoding. (#4755)
+- Fix whitespace encoding of `Member.String` in `go.opentelemetry.io/otel/baggage`. (#4756)
+- Fix observable not registered error when the asynchronous instrument has a drop aggregation in `go.opentelemetry.io/otel/sdk/metric`. (#4772)
+- Fix baggage item key so that it is not canonicalized in `go.opentelemetry.io/otel/bridge/opentracing`. (#4776)
+- Fix `go.opentelemetry.io/otel/bridge/opentracing` to properly handle baggage values that requires escaping during propagation. (#4804)
+- Fix a bug where using multiple readers resulted in incorrect asynchronous counter values in `go.opentelemetry.io/otel/sdk/metric`. (#4742)
+
 ## [1.21.0/0.44.0] 2023-11-16
 
 ### Removed
@@ -2735,7 +2829,11 @@ It contains api and sdk for trace and meter.
 - CircleCI build CI manifest files.
 - CODEOWNERS file to track owners of this project.
 
-[Unreleased]: https://github.com/open-telemetry/opentelemetry-go/compare/v1.21.0...HEAD
+[Unreleased]: https://github.com/open-telemetry/opentelemetry-go/compare/v1.23.1...HEAD
+[1.23.1]: https://github.com/open-telemetry/opentelemetry-go/releases/tag/v1.23.1
+[1.23.0]: https://github.com/open-telemetry/opentelemetry-go/releases/tag/v1.23.0
+[1.23.0-rc.1]: https://github.com/open-telemetry/opentelemetry-go/releases/tag/v1.23.0-rc.1
+[1.22.0/0.45.0]: https://github.com/open-telemetry/opentelemetry-go/releases/tag/v1.22.0
 [1.21.0/0.44.0]: https://github.com/open-telemetry/opentelemetry-go/releases/tag/v1.21.0
 [1.20.0/0.43.0]: https://github.com/open-telemetry/opentelemetry-go/releases/tag/v1.20.0
 [1.19.0/0.42.0/0.0.7]: https://github.com/open-telemetry/opentelemetry-go/releases/tag/v1.19.0

vendor/go.opentelemetry.io/otel/CODEOWNERS

@@ -14,4 +14,4 @@
 
 * @MrAlias @Aneurysm9 @evantorrie @XSAM @dashpole @MadVikingGod @pellared @hanyuancheung @dmathieu
 
-CODEOWNERS @MrAlias @MadVikingGod @pellared
+CODEOWNERS @MrAlias @MadVikingGod @pellared @dashpole

vendor/go.opentelemetry.io/otel/CONTRIBUTING.md

@@ -591,25 +591,46 @@ this.
 
 [^3]: https://github.com/open-telemetry/opentelemetry-go/issues/3548
 
+### Ignoring context cancellation
+
+OpenTelemetry API implementations need to ignore the cancellation of the context that are
+passed when recording a value (e.g. starting a span, recording a measurement, emitting a log).
+Recording methods should not return an error describing the cancellation state of the context
+when they complete, nor should they abort any work.
+
+This rule may not apply if the OpenTelemetry specification defines a timeout mechanism for
+the method. In that case the context cancellation can be used for the timeout with the
+restriction that this behavior is documented for the method. Otherwise, timeouts
+are expected to be handled by the user calling the API, not the implementation.
+
+Stoppage of the telemetry pipeline is handled by calling the appropriate `Shutdown` method
+of a provider. It is assumed the context passed from a user is not used for this purpose.
+
+Outside of the direct recording of telemetry from the API (e.g. exporting telemetry,
+force flushing telemetry, shutting down a signal provider) the context cancellation
+should be honored. This means all work done on behalf of the user provided context
+should be canceled.
+
 ## Approvers and Maintainers
 
 ### Approvers
 
 - [Evan Torrie](https://github.com/evantorrie), Verizon Media
 - [Sam Xie](https://github.com/XSAM), Cisco/AppDynamics
-- [David Ashpole](https://github.com/dashpole), Google
 - [Chester Cheung](https://github.com/hanyuancheung), Tencent
 - [Damien Mathieu](https://github.com/dmathieu), Elastic
 - [Anthony Mirabella](https://github.com/Aneurysm9), AWS
 
 ### Maintainers
 
+- [David Ashpole](https://github.com/dashpole), Google
 - [Aaron Clawson](https://github.com/MadVikingGod), LightStep
 - [Robert Pająk](https://github.com/pellared), Splunk
 - [Tyler Yahn](https://github.com/MrAlias), Splunk
 
 ### Emeritus
 
+- [Liz Fong-Jones](https://github.com/lizthegrey), Honeycomb
 - [Gustavo Silva Paiva](https://github.com/paivagustavo), LightStep
 - [Josh MacDonald](https://github.com/jmacd), LightStep
 

vendor/go.opentelemetry.io/otel/README.md

@@ -66,7 +66,7 @@ are made for those systems currently.
 
 ## Getting Started
 
-You can find a getting started guide on [opentelemetry.io](https://opentelemetry.io/docs/go/getting-started/).
+You can find a getting started guide on [opentelemetry.io](https://opentelemetry.io/docs/languages/go/getting-started/).
 
 OpenTelemetry's goal is to provide a single set of APIs to capture distributed
 traces and metrics from your application and send them to an observability

vendor/go.opentelemetry.io/otel/RELEASING.md

@@ -123,12 +123,12 @@ Once verified be sure to [make a release for the `contrib` repository](https://g
 
 ### Website Documentation
 
-Update the [Go instrumentation documentation] in the OpenTelemetry website under [content/en/docs/instrumentation/go].
+Update the [Go instrumentation documentation] in the OpenTelemetry website under [content/en/docs/languages/go].
 Importantly, bump any package versions referenced to be the latest one you just released and ensure all code examples still compile and are accurate.
 
 [OpenTelemetry Semantic Conventions]: https://github.com/open-telemetry/semantic-conventions
-[Go instrumentation documentation]: https://opentelemetry.io/docs/instrumentation/go/
+[Go instrumentation documentation]: https://opentelemetry.io/docs/languages/go/
-[content/en/docs/instrumentation/go]: https://github.com/open-telemetry/opentelemetry.io/tree/main/content/en/docs/instrumentation/go
+[content/en/docs/languages/go]: https://github.com/open-telemetry/opentelemetry.io/tree/main/content/en/docs/languages/go
 
 ### Demo Repository
 

vendor/go.opentelemetry.io/otel/attribute/set.go

@@ -279,52 +279,75 @@ func NewSetWithSortableFiltered(kvs []KeyValue, tmp *Sortable, filter Filter) (S
 		position--
 		kvs[offset], kvs[position] = kvs[position], kvs[offset]
 	}
+	kvs = kvs[position:]
+
 	if filter != nil {
-		return filterSet(kvs[position:], filter)
+		if div := filteredToFront(kvs, filter); div != 0 {
-	}
+			return Set{equivalent: computeDistinct(kvs[div:])}, kvs[:div]
-	return Set{
-		equivalent: computeDistinct(kvs[position:]),
-	}, nil
-}
-
-// filterSet reorders kvs so that included keys are contiguous at the end of
-// the slice, while excluded keys precede the included keys.
-func filterSet(kvs []KeyValue, filter Filter) (Set, []KeyValue) {
-	var excluded []KeyValue
-
-	// Move attributes that do not match the filter so they're adjacent before
-	// calling computeDistinct().
-	distinctPosition := len(kvs)
-
-	// Swap indistinct keys forward and distinct keys toward the
-	// end of the slice.
-	offset := len(kvs) - 1
-	for ; offset >= 0; offset-- {
-		if filter(kvs[offset]) {
-			distinctPosition--
-			kvs[offset], kvs[distinctPosition] = kvs[distinctPosition], kvs[offset]
-			continue
 		}
 	}
-	excluded = kvs[:distinctPosition]
+	return Set{equivalent: computeDistinct(kvs)}, nil
+}
 
-	return Set{
+// filteredToFront filters slice in-place using keep function. All KeyValues that need to
-		equivalent: computeDistinct(kvs[distinctPosition:]),
+// be removed are moved to the front. All KeyValues that need to be kept are
-	}, excluded
+// moved (in-order) to the back. The index for the first KeyValue to be kept is
+// returned.
+func filteredToFront(slice []KeyValue, keep Filter) int {
+	n := len(slice)
+	j := n
+	for i := n - 1; i >= 0; i-- {
+		if keep(slice[i]) {
+			j--
+			slice[i], slice[j] = slice[j], slice[i]
+		}
+	}
+	return j
 }
 
 // Filter returns a filtered copy of this Set. See the documentation for
 // NewSetWithSortableFiltered for more details.
 func (l *Set) Filter(re Filter) (Set, []KeyValue) {
 	if re == nil {
-		return Set{
+		return *l, nil
-			equivalent: l.equivalent,
-		}, nil
 	}
 
-	// Note: This could be refactored to avoid the temporary slice
+	// Iterate in reverse to the first attribute that will be filtered out.
-	// allocation, if it proves to be expensive.
+	n := l.Len()
-	return filterSet(l.ToSlice(), re)
+	first := n - 1
+	for ; first >= 0; first-- {
+		kv, _ := l.Get(first)
+		if !re(kv) {
+			break
+		}
+	}
+
+	// No attributes will be dropped, return the immutable Set l and nil.
+	if first < 0 {
+		return *l, nil
+	}
+
+	// Copy now that we know we need to return a modified set.
+	//
+	// Do not do this in-place on the underlying storage of *Set l. Sets are
+	// immutable and filtering should not change this.
+	slice := l.ToSlice()
+
+	// Don't re-iterate the slice if only slice[0] is filtered.
+	if first == 0 {
+		// It is safe to assume len(slice) >= 1 given we found at least one
+		// attribute above that needs to be filtered out.
+		return Set{equivalent: computeDistinct(slice[1:])}, slice[:1]
+	}
+
+	// Move the filtered slice[first] to the front (preserving order).
+	kv := slice[first]
+	copy(slice[1:first+1], slice[:first])
+	slice[0] = kv
+
+	// Do not re-evaluate re(slice[first+1:]).
+	div := filteredToFront(slice[1:first+1], re) + 1
+	return Set{equivalent: computeDistinct(slice[div:])}, slice[:div]
 }
 
 // computeDistinct returns a Distinct using either the fixed- or
@@ -404,7 +427,7 @@ func (l *Set) MarshalJSON() ([]byte, error) {
 	return json.Marshal(l.equivalent.iface)
 }
 
-// MarshalLog is the marshaling function used by the logging system to represent this exporter.
+// MarshalLog is the marshaling function used by the logging system to represent this Set.
 func (l Set) MarshalLog() interface{} {
 	kvs := make(map[string]string)
 	for _, kv := range l.ToSlice() {

vendor/go.opentelemetry.io/otel/baggage/baggage.go

@@ -18,7 +18,6 @@ import (
 	"errors"
 	"fmt"
 	"net/url"
-	"regexp"
 	"strings"
 
 	"go.opentelemetry.io/otel/internal/baggage"
@@ -32,16 +31,6 @@ const (
 	listDelimiter     = ","
 	keyValueDelimiter = "="
 	propertyDelimiter = ";"
-
-	keyDef      = `([\x21\x23-\x27\x2A\x2B\x2D\x2E\x30-\x39\x41-\x5a\x5e-\x7a\x7c\x7e]+)`
-	valueDef    = `([\x21\x23-\x2b\x2d-\x3a\x3c-\x5B\x5D-\x7e]*)`
-	keyValueDef = `\s*` + keyDef + `\s*` + keyValueDelimiter + `\s*` + valueDef + `\s*`
-)
-
-var (
-	keyRe      = regexp.MustCompile(`^` + keyDef + `$`)
-	valueRe    = regexp.MustCompile(`^` + valueDef + `$`)
-	propertyRe = regexp.MustCompile(`^(?:\s*` + keyDef + `\s*|` + keyValueDef + `)$`)
 )
 
 var (
@@ -67,7 +56,7 @@ type Property struct {
 //
 // If key is invalid, an error will be returned.
 func NewKeyProperty(key string) (Property, error) {
-	if !keyRe.MatchString(key) {
+	if !validateKey(key) {
 		return newInvalidProperty(), fmt.Errorf("%w: %q", errInvalidKey, key)
 	}
 
@@ -77,14 +66,29 @@ func NewKeyProperty(key string) (Property, error) {
 
 // NewKeyValueProperty returns a new Property for key with value.
 //
-// If key or value are invalid, an error will be returned.
+// The passed key must be compliant with W3C Baggage specification.
+// The passed value must be precent-encoded as defined in W3C Baggage specification.
+//
+// Notice: Consider using [NewKeyValuePropertyRaw] instead
+// that does not require precent-encoding of the value.
 func NewKeyValueProperty(key, value string) (Property, error) {
-	if !keyRe.MatchString(key) {
+	if !validateValue(value) {
-		return newInvalidProperty(), fmt.Errorf("%w: %q", errInvalidKey, key)
-	}
-	if !valueRe.MatchString(value) {
 		return newInvalidProperty(), fmt.Errorf("%w: %q", errInvalidValue, value)
 	}
+	decodedValue, err := url.PathUnescape(value)
+	if err != nil {
+		return newInvalidProperty(), fmt.Errorf("%w: %q", errInvalidValue, value)
+	}
+	return NewKeyValuePropertyRaw(key, decodedValue)
+}
+
+// NewKeyValuePropertyRaw returns a new Property for key with value.
+//
+// The passed key must be compliant with W3C Baggage specification.
+func NewKeyValuePropertyRaw(key, value string) (Property, error) {
+	if !validateKey(key) {
+		return newInvalidProperty(), fmt.Errorf("%w: %q", errInvalidKey, key)
+	}
 
 	p := Property{
 		key:      key,
@@ -106,20 +110,11 @@ func parseProperty(property string) (Property, error) {
 		return newInvalidProperty(), nil
 	}
 
-	match := propertyRe.FindStringSubmatch(property)
+	p, ok := parsePropertyInternal(property)
-	if len(match) != 4 {
+	if !ok {
 		return newInvalidProperty(), fmt.Errorf("%w: %q", errInvalidProperty, property)
 	}
 
-	var p Property
-	if match[1] != "" {
-		p.key = match[1]
-	} else {
-		p.key = match[2]
-		p.value = match[3]
-		p.hasValue = true
-	}
-
 	return p, nil
 }
 
@@ -130,12 +125,9 @@ func (p Property) validate() error {
 		return fmt.Errorf("invalid property: %w", err)
 	}
 
-	if !keyRe.MatchString(p.key) {
+	if !validateKey(p.key) {
 		return errFunc(fmt.Errorf("%w: %q", errInvalidKey, p.key))
 	}
-	if p.hasValue && !valueRe.MatchString(p.value) {
-		return errFunc(fmt.Errorf("%w: %q", errInvalidValue, p.value))
-	}
 	if !p.hasValue && p.value != "" {
 		return errFunc(errors.New("inconsistent value"))
 	}
@@ -154,11 +146,11 @@ func (p Property) Value() (string, bool) {
 	return p.value, p.hasValue
 }
 
-// String encodes Property into a string compliant with the W3C Baggage
+// String encodes Property into a header string compliant with the W3C Baggage
 // specification.
 func (p Property) String() string {
 	if p.hasValue {
-		return fmt.Sprintf("%s%s%v", p.key, keyValueDelimiter, p.value)
+		return fmt.Sprintf("%s%s%v", p.key, keyValueDelimiter, valueEscape(p.value))
 	}
 	return p.key
 }
@@ -218,7 +210,7 @@ func (p properties) validate() error {
 	return nil
 }
 
-// String encodes properties into a string compliant with the W3C Baggage
+// String encodes properties into a header string compliant with the W3C Baggage
 // specification.
 func (p properties) String() string {
 	props := make([]string, len(p))
@@ -240,11 +232,28 @@ type Member struct {
 	hasData bool
 }
 
-// NewMember returns a new Member from the passed arguments. The key will be
+// NewMemberRaw returns a new Member from the passed arguments.
-// used directly while the value will be url decoded after validation. An error
+//
-// is returned if the created Member would be invalid according to the W3C
+// The passed key must be compliant with W3C Baggage specification.
-// Baggage specification.
+// The passed value must be precent-encoded as defined in W3C Baggage specification.
+//
+// Notice: Consider using [NewMemberRaw] instead
+// that does not require precent-encoding of the value.
 func NewMember(key, value string, props ...Property) (Member, error) {
+	if !validateValue(value) {
+		return newInvalidMember(), fmt.Errorf("%w: %q", errInvalidValue, value)
+	}
+	decodedValue, err := url.PathUnescape(value)
+	if err != nil {
+		return newInvalidMember(), fmt.Errorf("%w: %q", errInvalidValue, value)
+	}
+	return NewMemberRaw(key, decodedValue, props...)
+}
+
+// NewMemberRaw returns a new Member from the passed arguments.
+//
+// The passed key must be compliant with W3C Baggage specification.
+func NewMemberRaw(key, value string, props ...Property) (Member, error) {
 	m := Member{
 		key:        key,
 		value:      value,
@@ -254,11 +263,6 @@ func NewMember(key, value string, props ...Property) (Member, error) {
 	if err := m.validate(); err != nil {
 		return newInvalidMember(), err
 	}
-	decodedValue, err := url.PathUnescape(value)
-	if err != nil {
-		return newInvalidMember(), fmt.Errorf("%w: %q", errInvalidValue, value)
-	}
-	m.value = decodedValue
 	return m, nil
 }
 
@@ -274,11 +278,7 @@ func parseMember(member string) (Member, error) {
 		return newInvalidMember(), fmt.Errorf("%w: %d", errMemberBytes, n)
 	}
 
-	var (
+	var props properties
-		key, value string
-		props      properties
-	)
-
 	keyValue, properties, found := strings.Cut(member, propertyDelimiter)
 	if found {
 		// Parse the member properties.
@@ -299,36 +299,34 @@ func parseMember(member string) (Member, error) {
 	}
 	// "Leading and trailing whitespaces are allowed but MUST be trimmed
 	// when converting the header into a data structure."
-	key = strings.TrimSpace(k)
+	key := strings.TrimSpace(k)
-	var err error
+	if !validateKey(key) {
-	value, err = url.PathUnescape(strings.TrimSpace(v))
-	if err != nil {
-		return newInvalidMember(), fmt.Errorf("%w: %q", err, value)
-	}
-	if !keyRe.MatchString(key) {
 		return newInvalidMember(), fmt.Errorf("%w: %q", errInvalidKey, key)
 	}
-	if !valueRe.MatchString(value) {
+
-		return newInvalidMember(), fmt.Errorf("%w: %q", errInvalidValue, value)
+	val := strings.TrimSpace(v)
+	if !validateValue(val) {
+		return newInvalidMember(), fmt.Errorf("%w: %q", errInvalidValue, v)
 	}
 
+	// Decode a precent-encoded value.
+	value, err := url.PathUnescape(val)
+	if err != nil {
+		return newInvalidMember(), fmt.Errorf("%w: %v", errInvalidValue, err)
+	}
 	return Member{key: key, value: value, properties: props, hasData: true}, nil
 }
 
 // validate ensures m conforms to the W3C Baggage specification.
-// A key is just an ASCII string, but a value must be URL encoded UTF-8,
+// A key must be an ASCII string, returning an error otherwise.
-// returning an error otherwise.
 func (m Member) validate() error {
 	if !m.hasData {
 		return fmt.Errorf("%w: %q", errInvalidMember, m)
 	}
 
-	if !keyRe.MatchString(m.key) {
+	if !validateKey(m.key) {
 		return fmt.Errorf("%w: %q", errInvalidKey, m.key)
 	}
-	if !valueRe.MatchString(m.value) {
-		return fmt.Errorf("%w: %q", errInvalidValue, m.value)
-	}
 	return m.properties.validate()
 }
 
@@ -341,11 +339,13 @@ func (m Member) Value() string { return m.value }
 // Properties returns a copy of the Member properties.
 func (m Member) Properties() []Property { return m.properties.Copy() }
 
-// String encodes Member into a string compliant with the W3C Baggage
+// String encodes Member into a header string compliant with the W3C Baggage
 // specification.
 func (m Member) String() string {
-	// A key is just an ASCII string, but a value is URL encoded UTF-8.
+	// A key is just an ASCII string. A value is restricted to be
-	s := fmt.Sprintf("%s%s%s", m.key, keyValueDelimiter, url.QueryEscape(m.value))
+	// US-ASCII characters excluding CTLs, whitespace,
+	// DQUOTE, comma, semicolon, and backslash.
+	s := fmt.Sprintf("%s%s%s", m.key, keyValueDelimiter, valueEscape(m.value))
 	if len(m.properties) > 0 {
 		s = fmt.Sprintf("%s%s%s", s, propertyDelimiter, m.properties.String())
 	}
@@ -536,9 +536,8 @@ func (b Baggage) Len() int {
 	return len(b.list)
 }
 
-// String encodes Baggage into a string compliant with the W3C Baggage
+// String encodes Baggage into a header string compliant with the W3C Baggage
-// specification. The returned string will be invalid if the Baggage contains
+// specification.
-// any invalid list-members.
 func (b Baggage) String() string {
 	members := make([]string, 0, len(b.list))
 	for k, v := range b.list {
@@ -550,3 +549,196 @@ func (b Baggage) String() string {
 	}
 	return strings.Join(members, listDelimiter)
 }
+
+// parsePropertyInternal attempts to decode a Property from the passed string.
+// It follows the spec at https://www.w3.org/TR/baggage/#definition.
+func parsePropertyInternal(s string) (p Property, ok bool) {
+	// For the entire function we will use "   key    =    value  " as an example.
+	// Attempting to parse the key.
+	// First skip spaces at the beginning "<   >key    =    value  " (they could be empty).
+	index := skipSpace(s, 0)
+
+	// Parse the key: "   <key>    =    value  ".
+	keyStart := index
+	keyEnd := index
+	for _, c := range s[keyStart:] {
+		if !validateKeyChar(c) {
+			break
+		}
+		keyEnd++
+	}
+
+	// If we couldn't find any valid key character,
+	// it means the key is either empty or invalid.
+	if keyStart == keyEnd {
+		return
+	}
+
+	// Skip spaces after the key: "   key<    >=    value  ".
+	index = skipSpace(s, keyEnd)
+
+	if index == len(s) {
+		// A key can have no value, like: "   key    ".
+		ok = true
+		p.key = s[keyStart:keyEnd]
+		return
+	}
+
+	// If we have not reached the end and we can't find the '=' delimiter,
+	// it means the property is invalid.
+	if s[index] != keyValueDelimiter[0] {
+		return
+	}
+
+	// Attempting to parse the value.
+	// Match: "   key    =<    >value  ".
+	index = skipSpace(s, index+1)
+
+	// Match the value string: "   key    =    <value>  ".
+	// A valid property can be: "   key    =".
+	// Therefore, we don't have to check if the value is empty.
+	valueStart := index
+	valueEnd := index
+	for _, c := range s[valueStart:] {
+		if !validateValueChar(c) {
+			break
+		}
+		valueEnd++
+	}
+
+	// Skip all trailing whitespaces: "   key    =    value<  >".
+	index = skipSpace(s, valueEnd)
+
+	// If after looking for the value and skipping whitespaces
+	// we have not reached the end, it means the property is
+	// invalid, something like: "   key    =    value  value1".
+	if index != len(s) {
+		return
+	}
+
+	// Decode a precent-encoded value.
+	value, err := url.PathUnescape(s[valueStart:valueEnd])
+	if err != nil {
+		return
+	}
+
+	ok = true
+	p.key = s[keyStart:keyEnd]
+	p.hasValue = true
+
+	p.value = value
+	return
+}
+
+func skipSpace(s string, offset int) int {
+	i := offset
+	for ; i < len(s); i++ {
+		c := s[i]
+		if c != ' ' && c != '\t' {
+			break
+		}
+	}
+	return i
+}
+
+func validateKey(s string) bool {
+	if len(s) == 0 {
+		return false
+	}
+
+	for _, c := range s {
+		if !validateKeyChar(c) {
+			return false
+		}
+	}
+
+	return true
+}
+
+func validateKeyChar(c int32) bool {
+	return (c >= 0x23 && c <= 0x27) ||
+		(c >= 0x30 && c <= 0x39) ||
+		(c >= 0x41 && c <= 0x5a) ||
+		(c >= 0x5e && c <= 0x7a) ||
+		c == 0x21 ||
+		c == 0x2a ||
+		c == 0x2b ||
+		c == 0x2d ||
+		c == 0x2e ||
+		c == 0x7c ||
+		c == 0x7e
+}
+
+func validateValue(s string) bool {
+	for _, c := range s {
+		if !validateValueChar(c) {
+			return false
+		}
+	}
+
+	return true
+}
+
+func validateValueChar(c int32) bool {
+	return c == 0x21 ||
+		(c >= 0x23 && c <= 0x2b) ||
+		(c >= 0x2d && c <= 0x3a) ||
+		(c >= 0x3c && c <= 0x5b) ||
+		(c >= 0x5d && c <= 0x7e)
+}
+
+// valueEscape escapes the string so it can be safely placed inside a baggage value,
+// replacing special characters with %XX sequences as needed.
+//
+// The implementation is based on:
+// https://github.com/golang/go/blob/f6509cf5cdbb5787061b784973782933c47f1782/src/net/url/url.go#L285.
+func valueEscape(s string) string {
+	hexCount := 0
+	for i := 0; i < len(s); i++ {
+		c := s[i]
+		if shouldEscape(c) {
+			hexCount++
+		}
+	}
+
+	if hexCount == 0 {
+		return s
+	}
+
+	var buf [64]byte
+	var t []byte
+
+	required := len(s) + 2*hexCount
+	if required <= len(buf) {
+		t = buf[:required]
+	} else {
+		t = make([]byte, required)
+	}
+
+	j := 0
+	for i := 0; i < len(s); i++ {
+		c := s[i]
+		if shouldEscape(s[i]) {
+			const upperhex = "0123456789ABCDEF"
+			t[j] = '%'
+			t[j+1] = upperhex[c>>4]
+			t[j+2] = upperhex[c&15]
+			j += 3
+		} else {
+			t[j] = c
+			j++
+		}
+	}
+
+	return string(t)
+}
+
+// shouldEscape returns true if the specified byte should be escaped when
+// appearing in a baggage value string.
+func shouldEscape(c byte) bool {
+	if c == '%' {
+		// The percent character must be encoded so that percent-encoding can work.
+		return true
+	}
+	return !validateValueChar(int32(c))
+}

vendor/go.opentelemetry.io/otel/doc.go

@@ -22,7 +22,7 @@ transmitted anywhere. An implementation of the OpenTelemetry SDK, like the
 default SDK implementation (go.opentelemetry.io/otel/sdk), and associated
 exporters are used to process and transport this data.
 
-To read the getting started guide, see https://opentelemetry.io/docs/go/getting-started/.
+To read the getting started guide, see https://opentelemetry.io/docs/languages/go/getting-started/.
 
 To read more about tracing, see go.opentelemetry.io/otel/trace.
 

vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/README.md

@@ -1,51 +0,0 @@
-# OpenTelemetry-Go OTLP Span Exporter
-
-[![Go Reference](https://pkg.go.dev/badge/go.opentelemetry.io/otel/exporters/otlp/otlptrace.svg)](https://pkg.go.dev/go.opentelemetry.io/otel/exporters/otlp/otlptrace)
-
-[OpenTelemetry Protocol Exporter](https://github.com/open-telemetry/opentelemetry-specification/blob/v1.20.0/specification/protocol/exporter.md) implementation.
-
-## Installation
-
-```
-go get -u go.opentelemetry.io/otel/exporters/otlp/otlptrace
-```
-
-## Examples
-
-- [HTTP Exporter setup and examples](./otlptracehttp/example_test.go)
-- [Full example of gRPC Exporter sending telemetry to a local collector](../../../example/otel-collector)
-
-## [`otlptrace`](https://pkg.go.dev/go.opentelemetry.io/otel/exporters/otlp/otlptrace)
-
-The `otlptrace` package provides an exporter implementing the OTel span exporter interface.
-This exporter is configured using a client satisfying the `otlptrace.Client` interface.
-This client handles the transformation of data into wire format and the transmission of that data to the collector.
-
-## [`otlptracegrpc`](https://pkg.go.dev/go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc)
-
-The `otlptracegrpc` package implements a client for the span exporter that sends trace telemetry data to the collector using gRPC with protobuf-encoded payloads.
-
-## [`otlptracehttp`](https://pkg.go.dev/go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp)
-
-The `otlptracehttp` package implements a client for the span exporter that sends trace telemetry data to the collector using HTTP with protobuf-encoded payloads.
-
-## Configuration
-
-### Environment Variables
-
-The following environment variables can be used (instead of options objects) to
-override the default configuration. For more information about how each of
-these environment variables is interpreted, see [the OpenTelemetry
-specification](https://github.com/open-telemetry/opentelemetry-specification/blob/v1.20.0/specification/protocol/exporter.md).
-
-| Environment variable                                                     | Option                        | Default value                                            |
-| ------------------------------------------------------------------------ |------------------------------ | -------------------------------------------------------- |
-| `OTEL_EXPORTER_OTLP_ENDPOINT` `OTEL_EXPORTER_OTLP_TRACES_ENDPOINT`       | `WithEndpoint` `WithInsecure` | `https://localhost:4317` or `https://localhost:4318`[^1] |
-| `OTEL_EXPORTER_OTLP_CERTIFICATE` `OTEL_EXPORTER_OTLP_TRACES_CERTIFICATE` | `WithTLSClientConfig`         |                                                          |
-| `OTEL_EXPORTER_OTLP_HEADERS` `OTEL_EXPORTER_OTLP_TRACES_HEADERS`         | `WithHeaders`                 |                                                          |
-| `OTEL_EXPORTER_OTLP_COMPRESSION` `OTEL_EXPORTER_OTLP_TRACES_COMPRESSION` | `WithCompression`             |                                                          |
-| `OTEL_EXPORTER_OTLP_TIMEOUT` `OTEL_EXPORTER_OTLP_TRACES_TIMEOUT`         | `WithTimeout`                 | `10s`                                                    |
-
-[^1]: The gRPC client defaults to `https://localhost:4317` and the HTTP client `https://localhost:4318`.
-
-Configuration using options have precedence over the environment variables.

vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/doc.go

@@ -0,0 +1,21 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+/*
+Package otlptrace contains abstractions for OTLP span exporters.
+See the official OTLP span exporter implementations:
+  - [go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc],
+  - [go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp].
+*/
+package otlptrace // import "go.opentelemetry.io/otel/exporters/otlp/otlptrace"

vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/exporter.go

@@ -24,9 +24,7 @@ import (
 	tracesdk "go.opentelemetry.io/otel/sdk/trace"
 )
 
-var (
+var errAlreadyStarted = errors.New("already started")
-	errAlreadyStarted = errors.New("already started")
-)
 
 // Exporter exports trace data in the OTLP wire format.
 type Exporter struct {
@@ -55,7 +53,7 @@ func (e *Exporter) ExportSpans(ctx context.Context, ss []tracesdk.ReadOnlySpan)
 
 // Start establishes a connection to the receiving endpoint.
 func (e *Exporter) Start(ctx context.Context) error {
-	var err = errAlreadyStarted
+	err := errAlreadyStarted
 	e.startOnce.Do(func() {
 		e.mu.Lock()
 		e.started = true
@@ -106,7 +104,7 @@ func NewUnstarted(client Client) *Exporter {
 	}
 }
 
-// MarshalLog is the marshaling function used by the logging system to represent this exporter.
+// MarshalLog is the marshaling function used by the logging system to represent this Exporter.
 func (e *Exporter) MarshalLog() interface{} {
 	return struct {
 		Type   string

vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc/client.go

@@ -260,30 +260,38 @@ func (c *client) exportContext(parent context.Context) (context.Context, context
 // duration to wait for if an explicit throttle time is included in err.
 func retryable(err error) (bool, time.Duration) {
 	s := status.Convert(err)
+	return retryableGRPCStatus(s)
+}
+
+func retryableGRPCStatus(s *status.Status) (bool, time.Duration) {
 	switch s.Code() {
 	case codes.Canceled,
 		codes.DeadlineExceeded,
-		codes.ResourceExhausted,
 		codes.Aborted,
 		codes.OutOfRange,
 		codes.Unavailable,
 		codes.DataLoss:
-		return true, throttleDelay(s)
+		// Additionally handle RetryInfo.
+		_, d := throttleDelay(s)
+		return true, d
+	case codes.ResourceExhausted:
+		// Retry only if the server signals that the recovery from resource exhaustion is possible.
+		return throttleDelay(s)
 	}
 
 	// Not a retry-able error.
 	return false, 0
 }
 
-// throttleDelay returns a duration to wait for if an explicit throttle time
+// throttleDelay returns of the status is RetryInfo
-// is included in the response status.
+// and the its duration to wait for if an explicit throttle time.
-func throttleDelay(s *status.Status) time.Duration {
+func throttleDelay(s *status.Status) (bool, time.Duration) {
 	for _, detail := range s.Details() {
 		if t, ok := detail.(*errdetails.RetryInfo); ok {
-			return t.RetryDelay.AsDuration()
+			return true, t.RetryDelay.AsDuration()
 		}
 	}
-	return 0
+	return false, 0
 }
 
 // MarshalLog is the marshaling function used by the logging system to represent this Client.

vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc/doc.go

@@ -0,0 +1,77 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+/*
+Package otlptracegrpc provides an OTLP span exporter using gRPC.
+By default the telemetry is sent to https://localhost:4317.
+
+Exporter should be created using [New].
+
+The environment variables described below can be used for configuration.
+
+OTEL_EXPORTER_OTLP_ENDPOINT, OTEL_EXPORTER_OTLP_TRACES_ENDPOINT (default: "https://localhost:4317") -
+target to which the exporter sends telemetry.
+The target syntax is defined in https://github.com/grpc/grpc/blob/master/doc/naming.md.
+The value must contain a host.
+The value may additionally a port, a scheme, and a path.
+The value accepts "http" and "https" scheme.
+The value should not contain a query string or fragment.
+OTEL_EXPORTER_OTLP_TRACES_ENDPOINT takes precedence over OTEL_EXPORTER_OTLP_ENDPOINT.
+The configuration can be overridden by [WithEndpoint], [WithEndpointURL], [WithInsecure], and [WithGRPCConn] options.
+
+OTEL_EXPORTER_OTLP_INSECURE, OTEL_EXPORTER_OTLP_TRACES_INSECURE (default: "false") -
+setting "true" disables client transport security for the exporter's gRPC connection.
+You can use this only when an endpoint is provided without the http or https scheme.
+OTEL_EXPORTER_OTLP_ENDPOINT, OTEL_EXPORTER_OTLP_TRACES_ENDPOINT setting overrides
+the scheme defined via OTEL_EXPORTER_OTLP_ENDPOINT, OTEL_EXPORTER_OTLP_TRACES_ENDPOINT.
+OTEL_EXPORTER_OTLP_TRACES_INSECURE takes precedence over OTEL_EXPORTER_OTLP_INSECURE.
+The configuration can be overridden by [WithInsecure], [WithGRPCConn] options.
+
+OTEL_EXPORTER_OTLP_HEADERS, OTEL_EXPORTER_OTLP_TRACES_HEADERS (default: none) -
+key-value pairs used as gRPC metadata associated with gRPC requests.
+The value is expected to be represented in a format matching to the [W3C Baggage HTTP Header Content Format],
+except that additional semi-colon delimited metadata is not supported.
+Example value: "key1=value1,key2=value2".
+OTEL_EXPORTER_OTLP_TRACES_HEADERS takes precedence over OTEL_EXPORTER_OTLP_HEADERS.
+The configuration can be overridden by [WithHeaders] option.
+
+OTEL_EXPORTER_OTLP_TIMEOUT, OTEL_EXPORTER_OTLP_TRACES_TIMEOUT (default: "10000") -
+maximum time in milliseconds the OTLP exporter waits for each batch export.
+OTEL_EXPORTER_OTLP_TRACES_TIMEOUT takes precedence over OTEL_EXPORTER_OTLP_TIMEOUT.
+The configuration can be overridden by [WithTimeout] option.
+
+OTEL_EXPORTER_OTLP_COMPRESSION, OTEL_EXPORTER_OTLP_TRACES_COMPRESSION (default: none) -
+the gRPC compressor the exporter uses.
+Supported value: "gzip".
+OTEL_EXPORTER_OTLP_TRACES_COMPRESSION takes precedence over OTEL_EXPORTER_OTLP_COMPRESSION.
+The configuration can be overridden by [WithCompressor], [WithGRPCConn] options.
+
+OTEL_EXPORTER_OTLP_CERTIFICATE, OTEL_EXPORTER_OTLP_TRACES_CERTIFICATE (default: none) -
+the filepath to the trusted certificate to use when verifying a server's TLS credentials.
+OTEL_EXPORTER_OTLP_TRACES_CERTIFICATE takes precedence over OTEL_EXPORTER_OTLP_CERTIFICATE.
+The configuration can be overridden by [WithTLSCredentials], [WithGRPCConn] options.
+
+OTEL_EXPORTER_OTLP_CLIENT_CERTIFICATE, OTEL_EXPORTER_OTLP_TRACES_CLIENT_CERTIFICATE (default: none) -
+the filepath to the client certificate/chain trust for clients private key to use in mTLS communication in PEM format.
+OTEL_EXPORTER_OTLP_TRACES_CLIENT_CERTIFICATE takes precedence over OTEL_EXPORTER_OTLP_CLIENT_CERTIFICATE.
+The configuration can be overridden by [WithTLSCredentials], [WithGRPCConn] options.
+
+OTEL_EXPORTER_OTLP_CLIENT_KEY, OTEL_EXPORTER_OTLP_TRACES_CLIENT_KEY (default: none) -
+the filepath  to the clients private key to use in mTLS communication in PEM format.
+OTEL_EXPORTER_OTLP_TRACES_CLIENT_KEY takes precedence over OTEL_EXPORTER_OTLP_CLIENT_KEY.
+The configuration can be overridden by [WithTLSCredentials], [WithGRPCConn] option.
+
+[W3C Baggage HTTP Header Content Format]: https://www.w3.org/TR/baggage/#header-content
+*/
+package otlptracegrpc // import "go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc"

vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc/internal/envconfig/envconfig.go

@@ -174,13 +174,13 @@ func stringToHeader(value string) map[string]string {
 			global.Error(errors.New("missing '="), "parse headers", "input", header)
 			continue
 		}
-		name, err := url.QueryUnescape(n)
+		name, err := url.PathUnescape(n)
 		if err != nil {
 			global.Error(err, "escape header key", "key", n)
 			continue
 		}
 		trimmedName := strings.TrimSpace(name)
-		value, err := url.QueryUnescape(v)
+		value, err := url.PathUnescape(v)
 		if err != nil {
 			global.Error(err, "escape header value", "value", v)
 			continue

vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc/internal/otlpconfig/options.go

@@ -20,6 +20,7 @@ package otlpconfig // import "go.opentelemetry.io/otel/exporters/otlp/otlptrace/
 import (
 	"crypto/tls"
 	"fmt"
+	"net/url"
 	"path"
 	"strings"
 	"time"
@@ -32,6 +33,7 @@ import (
 
 	"go.opentelemetry.io/otel/exporters/otlp/otlptrace"
 	"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc/internal/retry"
+	"go.opentelemetry.io/otel/internal/global"
 )
 
 const (
@@ -141,9 +143,6 @@ func NewGRPCConfig(opts ...GRPCOption) Config {
 	if cfg.Traces.Compression == GzipCompression {
 		cfg.DialOptions = append(cfg.DialOptions, grpc.WithDefaultCallOptions(grpc.UseCompressor(gzip.Name)))
 	}
-	if len(cfg.DialOptions) != 0 {
-		cfg.DialOptions = append(cfg.DialOptions, cfg.DialOptions...)
-	}
 	if cfg.ReconnectionPeriod != 0 {
 		p := grpc.ConnectParams{
 			Backoff:           backoff.DefaultConfig,
@@ -268,6 +267,24 @@ func WithEndpoint(endpoint string) GenericOption {
 	})
 }
 
+func WithEndpointURL(v string) GenericOption {
+	return newGenericOption(func(cfg Config) Config {
+		u, err := url.Parse(v)
+		if err != nil {
+			global.Error(err, "otlptrace: parse endpoint url", "url", v)
+			return cfg
+		}
+
+		cfg.Traces.Endpoint = u.Host
+		cfg.Traces.URLPath = u.Path
+		if u.Scheme != "https" {
+			cfg.Traces.Insecure = true
+		}
+
+		return cfg
+	})
+}
+
 func WithCompression(compression Compression) GenericOption {
 	return newGenericOption(func(cfg Config) Config {
 		cfg.Traces.Compression = compression

vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc/options.go

@@ -64,14 +64,44 @@ func WithInsecure() Option {
 	return wrappedOption{otlpconfig.WithInsecure()}
 }
 
-// WithEndpoint sets the target endpoint the exporter will connect to. If
+// WithEndpointURL sets the target endpoint URL the Exporter will connect to.
-// unset, localhost:4317 will be used as a default.
+//
+// If the OTEL_EXPORTER_OTLP_ENDPOINT or OTEL_EXPORTER_OTLP_METRICS_ENDPOINT
+// environment variable is set, and this option is not passed, that variable
+// value will be used. If both are set, OTEL_EXPORTER_OTLP_TRACES_ENDPOINT
+// will take precedence.
+//
+// If both this option and WithEndpointURL are used, the last used option will
+// take precedence.
+//
+// By default, if an environment variable is not set, and this option is not
+// passed, "localhost:4317" will be used.
 //
 // This option has no effect if WithGRPCConn is used.
 func WithEndpoint(endpoint string) Option {
 	return wrappedOption{otlpconfig.WithEndpoint(endpoint)}
 }
 
+// WithEndpoint sets the target endpoint URL the Exporter will connect to.
+//
+// If the OTEL_EXPORTER_OTLP_ENDPOINT or OTEL_EXPORTER_OTLP_METRICS_ENDPOINT
+// environment variable is set, and this option is not passed, that variable
+// value will be used. If both are set, OTEL_EXPORTER_OTLP_TRACES_ENDPOINT
+// will take precedence.
+//
+// If both this option and WithEndpoint are used, the last used option will
+// take precedence.
+//
+// If an invalid URL is provided, the default value will be kept.
+//
+// By default, if an environment variable is not set, and this option is not
+// passed, "localhost:4317" will be used.
+//
+// This option has no effect if WithGRPCConn is used.
+func WithEndpointURL(u string) Option {
+	return wrappedOption{otlpconfig.WithEndpointURL(u)}
+}
+
 // WithReconnectionPeriod set the minimum amount of time between connection
 // attempts to the target endpoint.
 //
@@ -93,13 +123,7 @@ func compressorToCompression(compressor string) otlpconfig.Compression {
 }
 
 // WithCompressor sets the compressor for the gRPC client to use when sending
-// requests. It is the responsibility of the caller to ensure that the
+// requests. Supported compressor values: "gzip".
-// compressor set has been registered with google.golang.org/grpc/encoding.
-// This can be done by encoding.RegisterCompressor. Some compressors
-// auto-register on import, such as gzip, which can be registered by calling
-// `import _ "google.golang.org/grpc/encoding/gzip"`.
-//
-// This option has no effect if WithGRPCConn is used.
 func WithCompressor(compressor string) Option {
 	return wrappedOption{otlpconfig.WithCompression(compressorToCompression(compressor))}
 }

vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp/client.go

@@ -18,6 +18,7 @@ import (
 	"bytes"
 	"compress/gzip"
 	"context"
+	"errors"
 	"fmt"
 	"io"
 	"net"
@@ -152,6 +153,10 @@ func (d *client) UploadTraces(ctx context.Context, protoSpans []*tracepb.Resourc
 
 		request.reset(ctx)
 		resp, err := d.client.Do(request.Request)
+		var urlErr *url.Error
+		if errors.As(err, &urlErr) && urlErr.Temporary() {
+			return newResponseError(http.Header{})
+		}
 		if err != nil {
 			return err
 		}
@@ -172,8 +177,11 @@ func (d *client) UploadTraces(ctx context.Context, protoSpans []*tracepb.Resourc
 			if _, err := io.Copy(&respData, resp.Body); err != nil {
 				return err
 			}
+			if respData.Len() == 0 {
+				return nil
+			}
 
-			if respData.Len() != 0 {
+			if resp.Header.Get("Content-Type") == "application/x-protobuf" {
 				var respProto coltracepb.ExportTraceServiceResponse
 				if err := proto.Unmarshal(respData.Bytes(), &respProto); err != nil {
 					return err
@@ -190,7 +198,10 @@ func (d *client) UploadTraces(ctx context.Context, protoSpans []*tracepb.Resourc
 			}
 			return nil
 
-		case sc == http.StatusTooManyRequests, sc == http.StatusServiceUnavailable:
+		case sc == http.StatusTooManyRequests,
+			sc == http.StatusBadGateway,
+			sc == http.StatusServiceUnavailable,
+			sc == http.StatusGatewayTimeout:
 			// Retry-able failures.  Drain the body to reuse the connection.
 			if _, err := io.Copy(io.Discard, resp.Body); err != nil {
 				otel.Handle(err)

vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp/doc.go

@@ -13,7 +13,62 @@
 // limitations under the License.
 
 /*
-Package otlptracehttp a client that sends traces to the collector using HTTP
+Package otlptracehttp provides an OTLP span exporter using HTTP with protobuf payloads.
-with binary protobuf payloads.
+By default the telemetry is sent to https://localhost:4318/v1/traces.
+
+Exporter should be created using [New].
+
+The environment variables described below can be used for configuration.
+
+OTEL_EXPORTER_OTLP_ENDPOINT (default: "https://localhost:4318") -
+target base URL ("/v1/traces" is appended) to which the exporter sends telemetry.
+The value must contain a scheme ("http" or "https") and host.
+The value may additionally contain a port and a path.
+The value should not contain a query string or fragment.
+The configuration can be overridden by OTEL_EXPORTER_OTLP_TRACES_ENDPOINT
+environment variable and by [WithEndpoint], [WithEndpointURL], [WithInsecure] options.
+
+OTEL_EXPORTER_OTLP_TRACES_ENDPOINT (default: "https://localhost:4318/v1/traces") -
+target URL to which the exporter sends telemetry.
+The value must contain a scheme ("http" or "https") and host.
+The value may additionally contain a port and a path.
+The value should not contain a query string or fragment.
+The configuration can be overridden by [WithEndpoint], [WithEndpointURL], [WitnInsecure], and [WithURLPath] options.
+
+OTEL_EXPORTER_OTLP_HEADERS, OTEL_EXPORTER_OTLP_TRACES_HEADERS (default: none) -
+key-value pairs used as headers associated with HTTP requests.
+The value is expected to be represented in a format matching to the [W3C Baggage HTTP Header Content Format],
+except that additional semi-colon delimited metadata is not supported.
+Example value: "key1=value1,key2=value2".
+OTEL_EXPORTER_OTLP_TRACES_HEADERS takes precedence over OTEL_EXPORTER_OTLP_HEADERS.
+The configuration can be overridden by [WithHeaders] option.
+
+OTEL_EXPORTER_OTLP_TIMEOUT, OTEL_EXPORTER_OTLP_TRACES_TIMEOUT (default: "10000") -
+maximum time in milliseconds the OTLP exporter waits for each batch export.
+OTEL_EXPORTER_OTLP_TRACES_TIMEOUT takes precedence over OTEL_EXPORTER_OTLP_TIMEOUT.
+The configuration can be overridden by [WithTimeout] option.
+
+OTEL_EXPORTER_OTLP_COMPRESSION, OTEL_EXPORTER_OTLP_TRACES_COMPRESSION (default: none) -
+the compression strategy the exporter uses to compress the HTTP body.
+Supported value: "gzip".
+OTEL_EXPORTER_OTLP_TRACES_COMPRESSION takes precedence over OTEL_EXPORTER_OTLP_COMPRESSION.
+The configuration can be overridden by [WithCompression] option.
+
+OTEL_EXPORTER_OTLP_CERTIFICATE, OTEL_EXPORTER_OTLP_TRACES_CERTIFICATE (default: none) -
+the filepath to the trusted certificate to use when verifying a server's TLS credentials.
+OTEL_EXPORTER_OTLP_TRACES_CERTIFICATE takes precedence over OTEL_EXPORTER_OTLP_CERTIFICATE.
+The configuration can be overridden by [WithTLSClientConfig] option.
+
+OTEL_EXPORTER_OTLP_CLIENT_CERTIFICATE, OTEL_EXPORTER_OTLP_TRACES_CLIENT_CERTIFICATE (default: none) -
+the filepath to the client certificate/chain trust for clients private key to use in mTLS communication in PEM format.
+OTEL_EXPORTER_OTLP_TRACES_CLIENT_CERTIFICATE takes precedence over OTEL_EXPORTER_OTLP_CLIENT_CERTIFICATE.
+The configuration can be overridden by [WithTLSClientConfig] option.
+
+OTEL_EXPORTER_OTLP_CLIENT_KEY, OTEL_EXPORTER_OTLP_TRACES_CLIENT_KEY (default: none) -
+the filepath  to the clients private key to use in mTLS communication in PEM format.
+OTEL_EXPORTER_OTLP_TRACES_CLIENT_KEY takes precedence over OTEL_EXPORTER_OTLP_CLIENT_KEY.
+The configuration can be overridden by [WithTLSClientConfig] option.
+
+[W3C Baggage HTTP Header Content Format]: https://www.w3.org/TR/baggage/#header-content
 */
 package otlptracehttp // import "go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp"

vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp/internal/envconfig/envconfig.go

@@ -174,13 +174,13 @@ func stringToHeader(value string) map[string]string {
 			global.Error(errors.New("missing '="), "parse headers", "input", header)
 			continue
 		}
-		name, err := url.QueryUnescape(n)
+		name, err := url.PathUnescape(n)
 		if err != nil {
 			global.Error(err, "escape header key", "key", n)
 			continue
 		}
 		trimmedName := strings.TrimSpace(name)
-		value, err := url.QueryUnescape(v)
+		value, err := url.PathUnescape(v)
 		if err != nil {
 			global.Error(err, "escape header value", "value", v)
 			continue

vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp/internal/otlpconfig/options.go

@@ -20,6 +20,7 @@ package otlpconfig // import "go.opentelemetry.io/otel/exporters/otlp/otlptrace/
 import (
 	"crypto/tls"
 	"fmt"
+	"net/url"
 	"path"
 	"strings"
 	"time"
@@ -32,6 +33,7 @@ import (
 
 	"go.opentelemetry.io/otel/exporters/otlp/otlptrace"
 	"go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp/internal/retry"
+	"go.opentelemetry.io/otel/internal/global"
 )
 
 const (
@@ -141,9 +143,6 @@ func NewGRPCConfig(opts ...GRPCOption) Config {
 	if cfg.Traces.Compression == GzipCompression {
 		cfg.DialOptions = append(cfg.DialOptions, grpc.WithDefaultCallOptions(grpc.UseCompressor(gzip.Name)))
 	}
-	if len(cfg.DialOptions) != 0 {
-		cfg.DialOptions = append(cfg.DialOptions, cfg.DialOptions...)
-	}
 	if cfg.ReconnectionPeriod != 0 {
 		p := grpc.ConnectParams{
 			Backoff:           backoff.DefaultConfig,
@@ -268,6 +267,24 @@ func WithEndpoint(endpoint string) GenericOption {
 	})
 }
 
+func WithEndpointURL(v string) GenericOption {
+	return newGenericOption(func(cfg Config) Config {
+		u, err := url.Parse(v)
+		if err != nil {
+			global.Error(err, "otlptrace: parse endpoint url", "url", v)
+			return cfg
+		}
+
+		cfg.Traces.Endpoint = u.Host
+		cfg.Traces.URLPath = u.Path
+		if u.Scheme != "https" {
+			cfg.Traces.Insecure = true
+		}
+
+		return cfg
+	})
+}
+
 func WithCompression(compression Compression) GenericOption {
 	return newGenericOption(func(cfg Config) Config {
 		cfg.Traces.Compression = compression

vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp/options.go

@@ -60,15 +60,44 @@ func (w wrappedOption) applyHTTPOption(cfg otlpconfig.Config) otlpconfig.Config
 	return w.ApplyHTTPOption(cfg)
 }
 
-// WithEndpoint allows one to set the address of the collector
+// WithEndpointURL sets the target endpoint URL the Exporter will connect to.
-// endpoint that the driver will use to send spans. If
+//
-// unset, it will instead try to use
+// If the OTEL_EXPORTER_OTLP_ENDPOINT or OTEL_EXPORTER_OTLP_METRICS_ENDPOINT
-// the default endpoint (localhost:4318). Note that the endpoint
+// environment variable is set, and this option is not passed, that variable
-// must not contain any URL path.
+// value will be used. If both are set, OTEL_EXPORTER_OTLP_TRACES_ENDPOINT
+// will take precedence.
+//
+// If both this option and WithEndpointURL are used, the last used option will
+// take precedence.
+//
+// By default, if an environment variable is not set, and this option is not
+// passed, "localhost:4317" will be used.
+//
+// This option has no effect if WithGRPCConn is used.
 func WithEndpoint(endpoint string) Option {
 	return wrappedOption{otlpconfig.WithEndpoint(endpoint)}
 }
 
+// WithEndpoint sets the target endpoint URL the Exporter will connect to.
+//
+// If the OTEL_EXPORTER_OTLP_ENDPOINT or OTEL_EXPORTER_OTLP_METRICS_ENDPOINT
+// environment variable is set, and this option is not passed, that variable
+// value will be used. If both are set, OTEL_EXPORTER_OTLP_TRACES_ENDPOINT
+// will take precedence.
+//
+// If both this option and WithEndpoint are used, the last used option will
+// take precedence.
+//
+// If an invalid URL is provided, the default value will be kept.
+//
+// By default, if an environment variable is not set, and this option is not
+// passed, "localhost:4317" will be used.
+//
+// This option has no effect if WithGRPCConn is used.
+func WithEndpointURL(u string) Option {
+	return wrappedOption{otlpconfig.WithEndpointURL(u)}
+}
+
 // WithCompression tells the driver to compress the sent data.
 func WithCompression(compression Compression) Option {
 	return wrappedOption{otlpconfig.WithCompression(otlpconfig.Compression(compression))}

vendor/go.opentelemetry.io/otel/exporters/otlp/otlptrace/version.go

@@ -16,5 +16,5 @@ package otlptrace // import "go.opentelemetry.io/otel/exporters/otlp/otlptrace"
 
 // Version is the current release version of the OpenTelemetry OTLP trace exporter in use.
 func Version() string {
-	return "1.19.0"
+	return "1.23.1"
 }

vendor/go.opentelemetry.io/otel/metric/noop/noop.go

@@ -0,0 +1,264 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Package noop provides an implementation of the OpenTelemetry metric API that
+// produces no telemetry and minimizes used computation resources.
+//
+// Using this package to implement the OpenTelemetry metric API will
+// effectively disable OpenTelemetry.
+//
+// This implementation can be embedded in other implementations of the
+// OpenTelemetry metric API. Doing so will mean the implementation defaults to
+// no operation for methods it does not implement.
+package noop // import "go.opentelemetry.io/otel/metric/noop"
+
+import (
+	"context"
+
+	"go.opentelemetry.io/otel/metric"
+	"go.opentelemetry.io/otel/metric/embedded"
+)
+
+var (
+	// Compile-time check this implements the OpenTelemetry API.
+
+	_ metric.MeterProvider                  = MeterProvider{}
+	_ metric.Meter                          = Meter{}
+	_ metric.Observer                       = Observer{}
+	_ metric.Registration                   = Registration{}
+	_ metric.Int64Counter                   = Int64Counter{}
+	_ metric.Float64Counter                 = Float64Counter{}
+	_ metric.Int64UpDownCounter             = Int64UpDownCounter{}
+	_ metric.Float64UpDownCounter           = Float64UpDownCounter{}
+	_ metric.Int64Histogram                 = Int64Histogram{}
+	_ metric.Float64Histogram               = Float64Histogram{}
+	_ metric.Int64ObservableCounter         = Int64ObservableCounter{}
+	_ metric.Float64ObservableCounter       = Float64ObservableCounter{}
+	_ metric.Int64ObservableGauge           = Int64ObservableGauge{}
+	_ metric.Float64ObservableGauge         = Float64ObservableGauge{}
+	_ metric.Int64ObservableUpDownCounter   = Int64ObservableUpDownCounter{}
+	_ metric.Float64ObservableUpDownCounter = Float64ObservableUpDownCounter{}
+	_ metric.Int64Observer                  = Int64Observer{}
+	_ metric.Float64Observer                = Float64Observer{}
+)
+
+// MeterProvider is an OpenTelemetry No-Op MeterProvider.
+type MeterProvider struct{ embedded.MeterProvider }
+
+// NewMeterProvider returns a MeterProvider that does not record any telemetry.
+func NewMeterProvider() MeterProvider {
+	return MeterProvider{}
+}
+
+// Meter returns an OpenTelemetry Meter that does not record any telemetry.
+func (MeterProvider) Meter(string, ...metric.MeterOption) metric.Meter {
+	return Meter{}
+}
+
+// Meter is an OpenTelemetry No-Op Meter.
+type Meter struct{ embedded.Meter }
+
+// Int64Counter returns a Counter used to record int64 measurements that
+// produces no telemetry.
+func (Meter) Int64Counter(string, ...metric.Int64CounterOption) (metric.Int64Counter, error) {
+	return Int64Counter{}, nil
+}
+
+// Int64UpDownCounter returns an UpDownCounter used to record int64
+// measurements that produces no telemetry.
+func (Meter) Int64UpDownCounter(string, ...metric.Int64UpDownCounterOption) (metric.Int64UpDownCounter, error) {
+	return Int64UpDownCounter{}, nil
+}
+
+// Int64Histogram returns a Histogram used to record int64 measurements that
+// produces no telemetry.
+func (Meter) Int64Histogram(string, ...metric.Int64HistogramOption) (metric.Int64Histogram, error) {
+	return Int64Histogram{}, nil
+}
+
+// Int64ObservableCounter returns an ObservableCounter used to record int64
+// measurements that produces no telemetry.
+func (Meter) Int64ObservableCounter(string, ...metric.Int64ObservableCounterOption) (metric.Int64ObservableCounter, error) {
+	return Int64ObservableCounter{}, nil
+}
+
+// Int64ObservableUpDownCounter returns an ObservableUpDownCounter used to
+// record int64 measurements that produces no telemetry.
+func (Meter) Int64ObservableUpDownCounter(string, ...metric.Int64ObservableUpDownCounterOption) (metric.Int64ObservableUpDownCounter, error) {
+	return Int64ObservableUpDownCounter{}, nil
+}
+
+// Int64ObservableGauge returns an ObservableGauge used to record int64
+// measurements that produces no telemetry.
+func (Meter) Int64ObservableGauge(string, ...metric.Int64ObservableGaugeOption) (metric.Int64ObservableGauge, error) {
+	return Int64ObservableGauge{}, nil
+}
+
+// Float64Counter returns a Counter used to record int64 measurements that
+// produces no telemetry.
+func (Meter) Float64Counter(string, ...metric.Float64CounterOption) (metric.Float64Counter, error) {
+	return Float64Counter{}, nil
+}
+
+// Float64UpDownCounter returns an UpDownCounter used to record int64
+// measurements that produces no telemetry.
+func (Meter) Float64UpDownCounter(string, ...metric.Float64UpDownCounterOption) (metric.Float64UpDownCounter, error) {
+	return Float64UpDownCounter{}, nil
+}
+
+// Float64Histogram returns a Histogram used to record int64 measurements that
+// produces no telemetry.
+func (Meter) Float64Histogram(string, ...metric.Float64HistogramOption) (metric.Float64Histogram, error) {
+	return Float64Histogram{}, nil
+}
+
+// Float64ObservableCounter returns an ObservableCounter used to record int64
+// measurements that produces no telemetry.
+func (Meter) Float64ObservableCounter(string, ...metric.Float64ObservableCounterOption) (metric.Float64ObservableCounter, error) {
+	return Float64ObservableCounter{}, nil
+}
+
+// Float64ObservableUpDownCounter returns an ObservableUpDownCounter used to
+// record int64 measurements that produces no telemetry.
+func (Meter) Float64ObservableUpDownCounter(string, ...metric.Float64ObservableUpDownCounterOption) (metric.Float64ObservableUpDownCounter, error) {
+	return Float64ObservableUpDownCounter{}, nil
+}
+
+// Float64ObservableGauge returns an ObservableGauge used to record int64
+// measurements that produces no telemetry.
+func (Meter) Float64ObservableGauge(string, ...metric.Float64ObservableGaugeOption) (metric.Float64ObservableGauge, error) {
+	return Float64ObservableGauge{}, nil
+}
+
+// RegisterCallback performs no operation.
+func (Meter) RegisterCallback(metric.Callback, ...metric.Observable) (metric.Registration, error) {
+	return Registration{}, nil
+}
+
+// Observer acts as a recorder of measurements for multiple instruments in a
+// Callback, it performing no operation.
+type Observer struct{ embedded.Observer }
+
+// ObserveFloat64 performs no operation.
+func (Observer) ObserveFloat64(metric.Float64Observable, float64, ...metric.ObserveOption) {
+}
+
+// ObserveInt64 performs no operation.
+func (Observer) ObserveInt64(metric.Int64Observable, int64, ...metric.ObserveOption) {
+}
+
+// Registration is the registration of a Callback with a No-Op Meter.
+type Registration struct{ embedded.Registration }
+
+// Unregister unregisters the Callback the Registration represents with the
+// No-Op Meter. This will always return nil because the No-Op Meter performs no
+// operation, including hold any record of registrations.
+func (Registration) Unregister() error { return nil }
+
+// Int64Counter is an OpenTelemetry Counter used to record int64 measurements.
+// It produces no telemetry.
+type Int64Counter struct{ embedded.Int64Counter }
+
+// Add performs no operation.
+func (Int64Counter) Add(context.Context, int64, ...metric.AddOption) {}
+
+// Float64Counter is an OpenTelemetry Counter used to record float64
+// measurements. It produces no telemetry.
+type Float64Counter struct{ embedded.Float64Counter }
+
+// Add performs no operation.
+func (Float64Counter) Add(context.Context, float64, ...metric.AddOption) {}
+
+// Int64UpDownCounter is an OpenTelemetry UpDownCounter used to record int64
+// measurements. It produces no telemetry.
+type Int64UpDownCounter struct{ embedded.Int64UpDownCounter }
+
+// Add performs no operation.
+func (Int64UpDownCounter) Add(context.Context, int64, ...metric.AddOption) {}
+
+// Float64UpDownCounter is an OpenTelemetry UpDownCounter used to record
+// float64 measurements. It produces no telemetry.
+type Float64UpDownCounter struct{ embedded.Float64UpDownCounter }
+
+// Add performs no operation.
+func (Float64UpDownCounter) Add(context.Context, float64, ...metric.AddOption) {}
+
+// Int64Histogram is an OpenTelemetry Histogram used to record int64
+// measurements. It produces no telemetry.
+type Int64Histogram struct{ embedded.Int64Histogram }
+
+// Record performs no operation.
+func (Int64Histogram) Record(context.Context, int64, ...metric.RecordOption) {}
+
+// Float64Histogram is an OpenTelemetry Histogram used to record float64
+// measurements. It produces no telemetry.
+type Float64Histogram struct{ embedded.Float64Histogram }
+
+// Record performs no operation.
+func (Float64Histogram) Record(context.Context, float64, ...metric.RecordOption) {}
+
+// Int64ObservableCounter is an OpenTelemetry ObservableCounter used to record
+// int64 measurements. It produces no telemetry.
+type Int64ObservableCounter struct {
+	metric.Int64Observable
+	embedded.Int64ObservableCounter
+}
+
+// Float64ObservableCounter is an OpenTelemetry ObservableCounter used to record
+// float64 measurements. It produces no telemetry.
+type Float64ObservableCounter struct {
+	metric.Float64Observable
+	embedded.Float64ObservableCounter
+}
+
+// Int64ObservableGauge is an OpenTelemetry ObservableGauge used to record
+// int64 measurements. It produces no telemetry.
+type Int64ObservableGauge struct {
+	metric.Int64Observable
+	embedded.Int64ObservableGauge
+}
+
+// Float64ObservableGauge is an OpenTelemetry ObservableGauge used to record
+// float64 measurements. It produces no telemetry.
+type Float64ObservableGauge struct {
+	metric.Float64Observable
+	embedded.Float64ObservableGauge
+}
+
+// Int64ObservableUpDownCounter is an OpenTelemetry ObservableUpDownCounter
+// used to record int64 measurements. It produces no telemetry.
+type Int64ObservableUpDownCounter struct {
+	metric.Int64Observable
+	embedded.Int64ObservableUpDownCounter
+}
+
+// Float64ObservableUpDownCounter is an OpenTelemetry ObservableUpDownCounter
+// used to record float64 measurements. It produces no telemetry.
+type Float64ObservableUpDownCounter struct {
+	metric.Float64Observable
+	embedded.Float64ObservableUpDownCounter
+}
+
+// Int64Observer is a recorder of int64 measurements that performs no operation.
+type Int64Observer struct{ embedded.Int64Observer }
+
+// Observe performs no operation.
+func (Int64Observer) Observe(int64, ...metric.ObserveOption) {}
+
+// Float64Observer is a recorder of float64 measurements that performs no
+// operation.
+type Float64Observer struct{ embedded.Float64Observer }
+
+// Observe performs no operation.
+func (Float64Observer) Observe(float64, ...metric.ObserveOption) {}

vendor/go.opentelemetry.io/otel/propagation/trace_context.go

@@ -18,7 +18,7 @@ import (
 	"context"
 	"encoding/hex"
 	"fmt"
-	"regexp"
+	"strings"
 
 	"go.opentelemetry.io/otel/trace"
 )
@@ -28,6 +28,7 @@ const (
 	maxVersion        = 254
 	traceparentHeader = "traceparent"
 	tracestateHeader  = "tracestate"
+	delimiter         = "-"
 )
 
 // TraceContext is a propagator that supports the W3C Trace Context format
@@ -41,8 +42,8 @@ const (
 type TraceContext struct{}
 
 var (
-	_              TextMapPropagator = TraceContext{}
+	_           TextMapPropagator = TraceContext{}
-	traceCtxRegExp                   = regexp.MustCompile("^(?P<version>[0-9a-f]{2})-(?P<traceID>[a-f0-9]{32})-(?P<spanID>[a-f0-9]{16})-(?P<traceFlags>[a-f0-9]{2})(?:-.*)?$")
+	versionPart                   = fmt.Sprintf("%.2X", supportedVersion)
 )
 
 // Inject set tracecontext from the Context into the carrier.
@@ -59,12 +60,19 @@ func (tc TraceContext) Inject(ctx context.Context, carrier TextMapCarrier) {
 	// Clear all flags other than the trace-context supported sampling bit.
 	flags := sc.TraceFlags() & trace.FlagsSampled
 
-	h := fmt.Sprintf("%.2x-%s-%s-%s",
+	var sb strings.Builder
-		supportedVersion,
+	sb.Grow(2 + 32 + 16 + 2 + 3)
-		sc.TraceID(),
+	_, _ = sb.WriteString(versionPart)
-		sc.SpanID(),
+	traceID := sc.TraceID()
-		flags)
+	spanID := sc.SpanID()
-	carrier.Set(traceparentHeader, h)
+	flagByte := [1]byte{byte(flags)}
+	var buf [32]byte
+	for _, src := range [][]byte{traceID[:], spanID[:], flagByte[:]} {
+		_ = sb.WriteByte(delimiter[0])
+		n := hex.Encode(buf[:], src)
+		_, _ = sb.Write(buf[:n])
+	}
+	carrier.Set(traceparentHeader, sb.String())
 }
 
 // Extract reads tracecontext from the carrier into a returned Context.
@@ -86,21 +94,8 @@ func (tc TraceContext) extract(carrier TextMapCarrier) trace.SpanContext {
 		return trace.SpanContext{}
 	}
 
-	matches := traceCtxRegExp.FindStringSubmatch(h)
+	var ver [1]byte
-
+	if !extractPart(ver[:], &h, 2) {
-	if len(matches) == 0 {
-		return trace.SpanContext{}
-	}
-
-	if len(matches) < 5 { // four subgroups plus the overall match
-		return trace.SpanContext{}
-	}
-
-	if len(matches[1]) != 2 {
-		return trace.SpanContext{}
-	}
-	ver, err := hex.DecodeString(matches[1])
-	if err != nil {
 		return trace.SpanContext{}
 	}
 	version := int(ver[0])
@@ -108,36 +103,24 @@ func (tc TraceContext) extract(carrier TextMapCarrier) trace.SpanContext {
 		return trace.SpanContext{}
 	}
 
-	if version == 0 && len(matches) != 5 { // four subgroups plus the overall match
-		return trace.SpanContext{}
-	}
-
-	if len(matches[2]) != 32 {
-		return trace.SpanContext{}
-	}
-
 	var scc trace.SpanContextConfig
-
+	if !extractPart(scc.TraceID[:], &h, 32) {
-	scc.TraceID, err = trace.TraceIDFromHex(matches[2][:32])
+		return trace.SpanContext{}
-	if err != nil {
+	}
+	if !extractPart(scc.SpanID[:], &h, 16) {
 		return trace.SpanContext{}
 	}
 
-	if len(matches[3]) != 16 {
+	var opts [1]byte
+	if !extractPart(opts[:], &h, 2) {
 		return trace.SpanContext{}
 	}
-	scc.SpanID, err = trace.SpanIDFromHex(matches[3])
+	if version == 0 && (h != "" || opts[0] > 2) {
-	if err != nil {
+		// version 0 not allow extra
+		// version 0 not allow other flag
 		return trace.SpanContext{}
 	}
 
-	if len(matches[4]) != 2 {
-		return trace.SpanContext{}
-	}
-	opts, err := hex.DecodeString(matches[4])
-	if err != nil || len(opts) < 1 || (version == 0 && opts[0] > 2) {
-		return trace.SpanContext{}
-	}
 	// Clear all flags other than the trace-context supported sampling bit.
 	scc.TraceFlags = trace.TraceFlags(opts[0]) & trace.FlagsSampled
 
@@ -155,6 +138,29 @@ func (tc TraceContext) extract(carrier TextMapCarrier) trace.SpanContext {
 	return sc
 }
 
+// upperHex detect hex is upper case Unicode characters.
+func upperHex(v string) bool {
+	for _, c := range v {
+		if c >= 'A' && c <= 'F' {
+			return true
+		}
+	}
+	return false
+}
+
+func extractPart(dst []byte, h *string, n int) bool {
+	part, left, _ := strings.Cut(*h, delimiter)
+	*h = left
+	// hex.Decode decodes unsupported upper-case characters, so exclude explicitly.
+	if len(part) != n || upperHex(part) {
+		return false
+	}
+	if p, err := hex.Decode(dst, []byte(part)); err != nil || p != n/2 {
+		return false
+	}
+	return true
+}
+
 // Fields returns the keys who's values are set with Inject.
 func (tc TraceContext) Fields() []string {
 	return []string{traceparentHeader, tracestateHeader}

vendor/go.opentelemetry.io/otel/sdk/resource/auto.go

@@ -41,8 +41,20 @@ type Detector interface {
 	// must never be done outside of a new major release.
 }
 
-// Detect calls all input detectors sequentially and merges each result with the previous one.
+// Detect returns a new [Resource] merged from all the Resources each of the
-// It returns the merged error too.
+// detectors produces. Each of the detectors are called sequentially, in the
+// order they are passed, merging the produced resource into the previous.
+//
+// This may return a partial Resource along with an error containing
+// [ErrPartialResource] if that error is returned from a detector. It may also
+// return a merge-conflicting Resource along with an error containing
+// [ErrSchemaURLConflict] if merging Resources from different detectors results
+// in a schema URL conflict. It is up to the caller to determine if this
+// returned Resource should be used or not.
+//
+// If one of the detectors returns an error that is not [ErrPartialResource],
+// the resource produced by the detector will not be merged and the returned
+// error will wrap that detector's error.
 func Detect(ctx context.Context, detectors ...Detector) (*Resource, error) {
 	r := new(Resource)
 	return r, detect(ctx, r, detectors)
@@ -50,6 +62,10 @@ func Detect(ctx context.Context, detectors ...Detector) (*Resource, error) {
 
 // detect runs all detectors using ctx and merges the result into res. This
 // assumes res is allocated and not nil, it will panic otherwise.
+//
+// If the detectors or merging resources produces any errors (i.e.
+// [ErrPartialResource] [ErrSchemaURLConflict]), a single error wrapping all of
+// these errors will be returned. Otherwise, nil is returned.
 func detect(ctx context.Context, res *Resource, detectors []Detector) error {
 	var (
 		r    *Resource
@@ -78,6 +94,11 @@ func detect(ctx context.Context, res *Resource, detectors []Detector) error {
 	if len(errs) == 0 {
 		return nil
 	}
+	if errors.Is(errs, ErrSchemaURLConflict) {
+		// If there has been a merge conflict, ensure the resource has no
+		// schema URL.
+		res.schemaURL = ""
+	}
 	return errs
 }
 

vendor/go.opentelemetry.io/otel/sdk/resource/builtin.go

@@ -22,7 +22,7 @@ import (
 
 	"go.opentelemetry.io/otel/attribute"
 	"go.opentelemetry.io/otel/sdk"
-	semconv "go.opentelemetry.io/otel/semconv/v1.21.0"
+	semconv "go.opentelemetry.io/otel/semconv/v1.24.0"
 )
 
 type (

vendor/go.opentelemetry.io/otel/sdk/resource/container.go

@@ -22,14 +22,14 @@ import (
 	"os"
 	"regexp"
 
-	semconv "go.opentelemetry.io/otel/semconv/v1.21.0"
+	semconv "go.opentelemetry.io/otel/semconv/v1.24.0"
 )
 
 type containerIDProvider func() (string, error)
 
 var (
 	containerID         containerIDProvider = getContainerIDFromCGroup
-	cgroupContainerIDRe                     = regexp.MustCompile(`^.*/(?:.*-)?([0-9a-f]+)(?:\.|\s*$)`)
+	cgroupContainerIDRe                     = regexp.MustCompile(`^.*/(?:.*[-:])?([0-9a-f]+)(?:\.|\s*$)`)
 )
 
 type cgroupContainerIDDetector struct{}

vendor/go.opentelemetry.io/otel/sdk/resource/env.go

@@ -23,7 +23,7 @@ import (
 
 	"go.opentelemetry.io/otel"
 	"go.opentelemetry.io/otel/attribute"
-	semconv "go.opentelemetry.io/otel/semconv/v1.21.0"
+	semconv "go.opentelemetry.io/otel/semconv/v1.24.0"
 )
 
 const (

vendor/go.opentelemetry.io/otel/sdk/resource/host_id.go

@@ -19,7 +19,7 @@ import (
 	"errors"
 	"strings"
 
-	semconv "go.opentelemetry.io/otel/semconv/v1.21.0"
+	semconv "go.opentelemetry.io/otel/semconv/v1.24.0"
 )
 
 type hostIDProvider func() (string, error)

vendor/go.opentelemetry.io/otel/sdk/resource/os.go

@@ -19,7 +19,7 @@ import (
 	"strings"
 
 	"go.opentelemetry.io/otel/attribute"
-	semconv "go.opentelemetry.io/otel/semconv/v1.21.0"
+	semconv "go.opentelemetry.io/otel/semconv/v1.24.0"
 )
 
 type osDescriptionProvider func() (string, error)

vendor/go.opentelemetry.io/otel/sdk/resource/process.go

@@ -22,7 +22,7 @@ import (
 	"path/filepath"
 	"runtime"
 
-	semconv "go.opentelemetry.io/otel/semconv/v1.21.0"
+	semconv "go.opentelemetry.io/otel/semconv/v1.24.0"
 )
 
 type (

vendor/go.opentelemetry.io/otel/sdk/resource/resource.go

@@ -17,6 +17,7 @@ package resource // import "go.opentelemetry.io/otel/sdk/resource"
 import (
 	"context"
 	"errors"
+	"fmt"
 	"sync"
 
 	"go.opentelemetry.io/otel"
@@ -40,9 +41,20 @@ var (
 	defaultResourceOnce sync.Once
 )
 
-var errMergeConflictSchemaURL = errors.New("cannot merge resource due to conflicting Schema URL")
+// ErrSchemaURLConflict is an error returned when two Resources are merged
+// together that contain different, non-empty, schema URLs.
+var ErrSchemaURLConflict = errors.New("conflicting Schema URL")
 
-// New returns a Resource combined from the user-provided detectors.
+// New returns a [Resource] built using opts.
+//
+// This may return a partial Resource along with an error containing
+// [ErrPartialResource] if options that provide a [Detector] are used and that
+// error is returned from one or more of the Detectors. It may also return a
+// merge-conflict Resource along with an error containing
+// [ErrSchemaURLConflict] if merging Resources from the opts results in a
+// schema URL conflict (see [Resource.Merge] for more information). It is up to
+// the caller to determine if this returned Resource should be used or not
+// based on these errors.
 func New(ctx context.Context, opts ...Option) (*Resource, error) {
 	cfg := config{}
 	for _, opt := range opts {
@@ -98,7 +110,7 @@ func (r *Resource) String() string {
 	return r.attrs.Encoded(attribute.DefaultEncoder())
 }
 
-// MarshalLog is the marshaling function used by the logging system to represent this exporter.
+// MarshalLog is the marshaling function used by the logging system to represent this Resource.
 func (r *Resource) MarshalLog() interface{} {
 	return struct {
 		Attributes attribute.Set
@@ -146,16 +158,29 @@ func (r *Resource) Equal(eq *Resource) bool {
 	return r.Equivalent() == eq.Equivalent()
 }
 
-// Merge creates a new resource by combining resource a and b.
+// Merge creates a new [Resource] by merging a and b.
 //
-// If there are common keys between resource a and b, then the value
+// If there are common keys between a and b, then the value from b will
-// from resource b will overwrite the value from resource a, even
+// overwrite the value from a, even if b's value is empty.
-// if resource b's value is empty.
 //
-// The SchemaURL of the resources will be merged according to the spec rules:
+// The SchemaURL of the resources will be merged according to the
-// https://github.com/open-telemetry/opentelemetry-specification/blob/v1.20.0/specification/resource/sdk.md#merge
+// [OpenTelemetry specification rules]:
-// If the resources have different non-empty schemaURL an empty resource and an error
+//
-// will be returned.
+//   - If a's schema URL is empty then the returned Resource's schema URL will
+//     be set to the schema URL of b,
+//   - Else if b's schema URL is empty then the returned Resource's schema URL
+//     will be set to the schema URL of a,
+//   - Else if the schema URLs of a and b are the same then that will be the
+//     schema URL of the returned Resource,
+//   - Else this is a merging error. If the resources have different,
+//     non-empty, schema URLs an error containing [ErrSchemaURLConflict] will
+//     be returned with the merged Resource. The merged Resource will have an
+//     empty schema URL. It may be the case that some unintended attributes
+//     have been overwritten or old semantic conventions persisted in the
+//     returned Resource. It is up to the caller to determine if this returned
+//     Resource should be used or not.
+//
+// [OpenTelemetry specification rules]: https://github.com/open-telemetry/opentelemetry-specification/blob/v1.20.0/specification/resource/sdk.md#merge
 func Merge(a, b *Resource) (*Resource, error) {
 	if a == nil && b == nil {
 		return Empty(), nil
@@ -167,19 +192,6 @@ func Merge(a, b *Resource) (*Resource, error) {
 		return a, nil
 	}
 
-	// Merge the schema URL.
-	var schemaURL string
-	switch true {
-	case a.schemaURL == "":
-		schemaURL = b.schemaURL
-	case b.schemaURL == "":
-		schemaURL = a.schemaURL
-	case a.schemaURL == b.schemaURL:
-		schemaURL = a.schemaURL
-	default:
-		return Empty(), errMergeConflictSchemaURL
-	}
-
 	// Note: 'b' attributes will overwrite 'a' with last-value-wins in attribute.Key()
 	// Meaning this is equivalent to: append(a.Attributes(), b.Attributes()...)
 	mi := attribute.NewMergeIterator(b.Set(), a.Set())
@@ -187,8 +199,23 @@ func Merge(a, b *Resource) (*Resource, error) {
 	for mi.Next() {
 		combine = append(combine, mi.Attribute())
 	}
-	merged := NewWithAttributes(schemaURL, combine...)
+
-	return merged, nil
+	switch {
+	case a.schemaURL == "":
+		return NewWithAttributes(b.schemaURL, combine...), nil
+	case b.schemaURL == "":
+		return NewWithAttributes(a.schemaURL, combine...), nil
+	case a.schemaURL == b.schemaURL:
+		return NewWithAttributes(a.schemaURL, combine...), nil
+	}
+	// Return the merged resource with an appropriate error. It is up to
+	// the user to decide if the returned resource can be used or not.
+	return NewSchemaless(combine...), fmt.Errorf(
+		"%w: %s and %s",
+		ErrSchemaURLConflict,
+		a.schemaURL,
+		b.schemaURL,
+	)
 }
 
 // Empty returns an instance of Resource with no attributes. It is

vendor/go.opentelemetry.io/otel/sdk/trace/batch_span_processor.go

@@ -406,7 +406,7 @@ func (bsp *batchSpanProcessor) enqueueDrop(ctx context.Context, sd ReadOnlySpan)
 	return false
 }
 
-// MarshalLog is the marshaling function used by the logging system to represent this exporter.
+// MarshalLog is the marshaling function used by the logging system to represent this Span Processor.
 func (bsp *batchSpanProcessor) MarshalLog() interface{} {
 	return struct {
 		Type         string

vendor/go.opentelemetry.io/otel/sdk/trace/provider.go

@@ -55,7 +55,7 @@ type tracerProviderConfig struct {
 	resource *resource.Resource
 }
 
-// MarshalLog is the marshaling function used by the logging system to represent this exporter.
+// MarshalLog is the marshaling function used by the logging system to represent this Provider.
 func (cfg tracerProviderConfig) MarshalLog() interface{} {
 	return struct {
 		SpanProcessors  []SpanProcessor

vendor/go.opentelemetry.io/otel/sdk/trace/span.go

@@ -30,7 +30,7 @@ import (
 	"go.opentelemetry.io/otel/sdk/instrumentation"
 	"go.opentelemetry.io/otel/sdk/internal"
 	"go.opentelemetry.io/otel/sdk/resource"
-	semconv "go.opentelemetry.io/otel/semconv/v1.21.0"
+	semconv "go.opentelemetry.io/otel/semconv/v1.24.0"
 	"go.opentelemetry.io/otel/trace"
 	"go.opentelemetry.io/otel/trace/embedded"
 )
@@ -208,6 +208,16 @@ func (s *recordingSpan) SetStatus(code codes.Code, description string) {
 	s.status = status
 }
 
+// ensureAttributesCapacity inlines functionality from slices.Grow
+// so that we can avoid needing to import golang.org/x/exp for go1.20.
+// Once support for go1.20 is dropped, we can use slices.Grow available since go1.21 instead.
+// Tracking issue: https://github.com/open-telemetry/opentelemetry-go/issues/4819.
+func (s *recordingSpan) ensureAttributesCapacity(minCapacity int) {
+	if n := minCapacity - cap(s.attributes); n > 0 {
+		s.attributes = append(s.attributes[:cap(s.attributes)], make([]attribute.KeyValue, n)...)[:len(s.attributes)]
+	}
+}
+
 // SetAttributes sets attributes of this span.
 //
 // If a key from attributes already exists the value associated with that key
@@ -242,6 +252,7 @@ func (s *recordingSpan) SetAttributes(attributes ...attribute.KeyValue) {
 
 	// Otherwise, add without deduplication. When attributes are read they
 	// will be deduplicated, optimizing the operation.
+	s.ensureAttributesCapacity(len(s.attributes) + len(attributes))
 	for _, a := range attributes {
 		if !a.Valid() {
 			// Drop all invalid attributes.
@@ -277,6 +288,12 @@ func (s *recordingSpan) addOverCapAttrs(limit int, attrs []attribute.KeyValue) {
 
 	// Now that s.attributes is deduplicated, adding unique attributes up to
 	// the capacity of s will not over allocate s.attributes.
+	if sum := len(attrs) + len(s.attributes); sum < limit {
+		// After support for go1.20 is dropped, simplify if-else to min(sum, limit).
+		s.ensureAttributesCapacity(sum)
+	} else {
+		s.ensureAttributesCapacity(limit)
+	}
 	for _, a := range attrs {
 		if !a.Valid() {
 			// Drop all invalid attributes.

vendor/go.opentelemetry.io/otel/sdk/version.go

@@ -16,5 +16,5 @@ package sdk // import "go.opentelemetry.io/otel/sdk"
 
 // Version is the current release version of the OpenTelemetry SDK in use.
 func Version() string {
-	return "1.21.0"
+	return "1.23.1"
 }

vendor/go.opentelemetry.io/otel/semconv/v1.20.0/doc.go

@@ -0,0 +1,20 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Package semconv implements OpenTelemetry semantic conventions.
+//
+// OpenTelemetry semantic conventions are agreed standardized naming
+// patterns for OpenTelemetry things. This package represents the conventions
+// as of the v1.20.0 version of the OpenTelemetry specification.
+package semconv // import "go.opentelemetry.io/otel/semconv/v1.20.0"

vendor/go.opentelemetry.io/otel/semconv/v1.20.0/event.go

@@ -0,0 +1,199 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Code generated from semantic convention specification. DO NOT EDIT.
+
+package semconv // import "go.opentelemetry.io/otel/semconv/v1.20.0"
+
+import "go.opentelemetry.io/otel/attribute"
+
+// This semantic convention defines the attributes used to represent a feature
+// flag evaluation as an event.
+const (
+	// FeatureFlagKeyKey is the attribute Key conforming to the
+	// "feature_flag.key" semantic conventions. It represents the unique
+	// identifier of the feature flag.
+	//
+	// Type: string
+	// RequirementLevel: Required
+	// Stability: stable
+	// Examples: 'logo-color'
+	FeatureFlagKeyKey = attribute.Key("feature_flag.key")
+
+	// FeatureFlagProviderNameKey is the attribute Key conforming to the
+	// "feature_flag.provider_name" semantic conventions. It represents the
+	// name of the service provider that performs the flag evaluation.
+	//
+	// Type: string
+	// RequirementLevel: Recommended
+	// Stability: stable
+	// Examples: 'Flag Manager'
+	FeatureFlagProviderNameKey = attribute.Key("feature_flag.provider_name")
+
+	// FeatureFlagVariantKey is the attribute Key conforming to the
+	// "feature_flag.variant" semantic conventions. It represents the sHOULD be
+	// a semantic identifier for a value. If one is unavailable, a stringified
+	// version of the value can be used.
+	//
+	// Type: string
+	// RequirementLevel: Recommended
+	// Stability: stable
+	// Examples: 'red', 'true', 'on'
+	// Note: A semantic identifier, commonly referred to as a variant, provides
+	// a means
+	// for referring to a value without including the value itself. This can
+	// provide additional context for understanding the meaning behind a value.
+	// For example, the variant `red` maybe be used for the value `#c05543`.
+	//
+	// A stringified version of the value can be used in situations where a
+	// semantic identifier is unavailable. String representation of the value
+	// should be determined by the implementer.
+	FeatureFlagVariantKey = attribute.Key("feature_flag.variant")
+)
+
+// FeatureFlagKey returns an attribute KeyValue conforming to the
+// "feature_flag.key" semantic conventions. It represents the unique identifier
+// of the feature flag.
+func FeatureFlagKey(val string) attribute.KeyValue {
+	return FeatureFlagKeyKey.String(val)
+}
+
+// FeatureFlagProviderName returns an attribute KeyValue conforming to the
+// "feature_flag.provider_name" semantic conventions. It represents the name of
+// the service provider that performs the flag evaluation.
+func FeatureFlagProviderName(val string) attribute.KeyValue {
+	return FeatureFlagProviderNameKey.String(val)
+}
+
+// FeatureFlagVariant returns an attribute KeyValue conforming to the
+// "feature_flag.variant" semantic conventions. It represents the sHOULD be a
+// semantic identifier for a value. If one is unavailable, a stringified
+// version of the value can be used.
+func FeatureFlagVariant(val string) attribute.KeyValue {
+	return FeatureFlagVariantKey.String(val)
+}
+
+// RPC received/sent message.
+const (
+	// MessageTypeKey is the attribute Key conforming to the "message.type"
+	// semantic conventions. It represents the whether this is a received or
+	// sent message.
+	//
+	// Type: Enum
+	// RequirementLevel: Optional
+	// Stability: stable
+	MessageTypeKey = attribute.Key("message.type")
+
+	// MessageIDKey is the attribute Key conforming to the "message.id"
+	// semantic conventions. It represents the mUST be calculated as two
+	// different counters starting from `1` one for sent messages and one for
+	// received message.
+	//
+	// Type: int
+	// RequirementLevel: Optional
+	// Stability: stable
+	// Note: This way we guarantee that the values will be consistent between
+	// different implementations.
+	MessageIDKey = attribute.Key("message.id")
+
+	// MessageCompressedSizeKey is the attribute Key conforming to the
+	// "message.compressed_size" semantic conventions. It represents the
+	// compressed size of the message in bytes.
+	//
+	// Type: int
+	// RequirementLevel: Optional
+	// Stability: stable
+	MessageCompressedSizeKey = attribute.Key("message.compressed_size")
+
+	// MessageUncompressedSizeKey is the attribute Key conforming to the
+	// "message.uncompressed_size" semantic conventions. It represents the
+	// uncompressed size of the message in bytes.
+	//
+	// Type: int
+	// RequirementLevel: Optional
+	// Stability: stable
+	MessageUncompressedSizeKey = attribute.Key("message.uncompressed_size")
+)
+
+var (
+	// sent
+	MessageTypeSent = MessageTypeKey.String("SENT")
+	// received
+	MessageTypeReceived = MessageTypeKey.String("RECEIVED")
+)
+
+// MessageID returns an attribute KeyValue conforming to the "message.id"
+// semantic conventions. It represents the mUST be calculated as two different
+// counters starting from `1` one for sent messages and one for received
+// message.
+func MessageID(val int) attribute.KeyValue {
+	return MessageIDKey.Int(val)
+}
+
+// MessageCompressedSize returns an attribute KeyValue conforming to the
+// "message.compressed_size" semantic conventions. It represents the compressed
+// size of the message in bytes.
+func MessageCompressedSize(val int) attribute.KeyValue {
+	return MessageCompressedSizeKey.Int(val)
+}
+
+// MessageUncompressedSize returns an attribute KeyValue conforming to the
+// "message.uncompressed_size" semantic conventions. It represents the
+// uncompressed size of the message in bytes.
+func MessageUncompressedSize(val int) attribute.KeyValue {
+	return MessageUncompressedSizeKey.Int(val)
+}
+
+// The attributes used to report a single exception associated with a span.
+const (
+	// ExceptionEscapedKey is the attribute Key conforming to the
+	// "exception.escaped" semantic conventions. It represents the sHOULD be
+	// set to true if the exception event is recorded at a point where it is
+	// known that the exception is escaping the scope of the span.
+	//
+	// Type: boolean
+	// RequirementLevel: Optional
+	// Stability: stable
+	// Note: An exception is considered to have escaped (or left) the scope of
+	// a span,
+	// if that span is ended while the exception is still logically "in
+	// flight".
+	// This may be actually "in flight" in some languages (e.g. if the
+	// exception
+	// is passed to a Context manager's `__exit__` method in Python) but will
+	// usually be caught at the point of recording the exception in most
+	// languages.
+	//
+	// It is usually not possible to determine at the point where an exception
+	// is thrown
+	// whether it will escape the scope of a span.
+	// However, it is trivial to know that an exception
+	// will escape, if one checks for an active exception just before ending
+	// the span,
+	// as done in the [example above](#recording-an-exception).
+	//
+	// It follows that an exception may still escape the scope of the span
+	// even if the `exception.escaped` attribute was not set or set to false,
+	// since the event might have been recorded at a time where it was not
+	// clear whether the exception will escape.
+	ExceptionEscapedKey = attribute.Key("exception.escaped")
+)
+
+// ExceptionEscaped returns an attribute KeyValue conforming to the
+// "exception.escaped" semantic conventions. It represents the sHOULD be set to
+// true if the exception event is recorded at a point where it is known that
+// the exception is escaping the scope of the span.
+func ExceptionEscaped(val bool) attribute.KeyValue {
+	return ExceptionEscapedKey.Bool(val)
+}

vendor/go.opentelemetry.io/otel/semconv/v1.20.0/exception.go

@@ -0,0 +1,20 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package semconv // import "go.opentelemetry.io/otel/semconv/v1.20.0"
+
+const (
+	// ExceptionEventName is the name of the Span event representing an exception.
+	ExceptionEventName = "exception"
+)

vendor/go.opentelemetry.io/otel/semconv/v1.20.0/http.go

@@ -0,0 +1,21 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package semconv // import "go.opentelemetry.io/otel/semconv/v1.20.0"
+
+// HTTP scheme attributes.
+var (
+	HTTPSchemeHTTP  = HTTPSchemeKey.String("http")
+	HTTPSchemeHTTPS = HTTPSchemeKey.String("https")
+)

vendor/go.opentelemetry.io/otel/semconv/v1.20.0/schema.go

@@ -0,0 +1,20 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package semconv // import "go.opentelemetry.io/otel/semconv/v1.20.0"
+
+// SchemaURL is the schema URL that matches the version of the semantic conventions
+// that this package defines. Semconv packages starting from v1.4.0 must declare
+// non-empty schema URL in the form https://opentelemetry.io/schemas/<version>
+const SchemaURL = "https://opentelemetry.io/schemas/1.20.0"

vendor/go.opentelemetry.io/otel/semconv/v1.21.0/doc.go

@@ -15,6 +15,6 @@
 // Package semconv implements OpenTelemetry semantic conventions.
 //
 // OpenTelemetry semantic conventions are agreed standardized naming
-// patterns for OpenTelemetry things. This package represents the conventions
+// patterns for OpenTelemetry things. This package represents the v1.21.0
-// as of the v1.21.0 version of the OpenTelemetry specification.
+// version of the OpenTelemetry semantic conventions.
 package semconv // import "go.opentelemetry.io/otel/semconv/v1.21.0"

vendor/go.opentelemetry.io/otel/semconv/v1.24.0/doc.go

@@ -0,0 +1,20 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Package semconv implements OpenTelemetry semantic conventions.
+//
+// OpenTelemetry semantic conventions are agreed standardized naming
+// patterns for OpenTelemetry things. This package represents the v1.24.0
+// version of the OpenTelemetry semantic conventions.
+package semconv // import "go.opentelemetry.io/otel/semconv/v1.24.0"

vendor/go.opentelemetry.io/otel/semconv/v1.24.0/event.go

@@ -0,0 +1,211 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Code generated from semantic convention specification. DO NOT EDIT.
+
+package semconv // import "go.opentelemetry.io/otel/semconv/v1.24.0"
+
+import "go.opentelemetry.io/otel/attribute"
+
+// This event represents an occurrence of a lifecycle transition on the iOS
+// platform.
+const (
+	// IosStateKey is the attribute Key conforming to the "ios.state" semantic
+	// conventions. It represents the this attribute represents the state the
+	// application has transitioned into at the occurrence of the event.
+	//
+	// Type: Enum
+	// RequirementLevel: Required
+	// Stability: experimental
+	// Note: The iOS lifecycle states are defined in the [UIApplicationDelegate
+	// documentation](https://developer.apple.com/documentation/uikit/uiapplicationdelegate#1656902),
+	// and from which the `OS terminology` column values are derived.
+	IosStateKey = attribute.Key("ios.state")
+)
+
+var (
+	// The app has become `active`. Associated with UIKit notification `applicationDidBecomeActive`
+	IosStateActive = IosStateKey.String("active")
+	// The app is now `inactive`. Associated with UIKit notification `applicationWillResignActive`
+	IosStateInactive = IosStateKey.String("inactive")
+	// The app is now in the background. This value is associated with UIKit notification `applicationDidEnterBackground`
+	IosStateBackground = IosStateKey.String("background")
+	// The app is now in the foreground. This value is associated with UIKit notification `applicationWillEnterForeground`
+	IosStateForeground = IosStateKey.String("foreground")
+	// The app is about to terminate. Associated with UIKit notification `applicationWillTerminate`
+	IosStateTerminate = IosStateKey.String("terminate")
+)
+
+// This event represents an occurrence of a lifecycle transition on the Android
+// platform.
+const (
+	// AndroidStateKey is the attribute Key conforming to the "android.state"
+	// semantic conventions. It represents the this attribute represents the
+	// state the application has transitioned into at the occurrence of the
+	// event.
+	//
+	// Type: Enum
+	// RequirementLevel: Required
+	// Stability: experimental
+	// Note: The Android lifecycle states are defined in [Activity lifecycle
+	// callbacks](https://developer.android.com/guide/components/activities/activity-lifecycle#lc),
+	// and from which the `OS identifiers` are derived.
+	AndroidStateKey = attribute.Key("android.state")
+)
+
+var (
+	// Any time before Activity.onResume() or, if the app has no Activity, Context.startService() has been called in the app for the first time
+	AndroidStateCreated = AndroidStateKey.String("created")
+	// Any time after Activity.onPause() or, if the app has no Activity, Context.stopService() has been called when the app was in the foreground state
+	AndroidStateBackground = AndroidStateKey.String("background")
+	// Any time after Activity.onResume() or, if the app has no Activity, Context.startService() has been called when the app was in either the created or background states
+	AndroidStateForeground = AndroidStateKey.String("foreground")
+)
+
+// This semantic convention defines the attributes used to represent a feature
+// flag evaluation as an event.
+const (
+	// FeatureFlagKeyKey is the attribute Key conforming to the
+	// "feature_flag.key" semantic conventions. It represents the unique
+	// identifier of the feature flag.
+	//
+	// Type: string
+	// RequirementLevel: Required
+	// Stability: experimental
+	// Examples: 'logo-color'
+	FeatureFlagKeyKey = attribute.Key("feature_flag.key")
+
+	// FeatureFlagProviderNameKey is the attribute Key conforming to the
+	// "feature_flag.provider_name" semantic conventions. It represents the
+	// name of the service provider that performs the flag evaluation.
+	//
+	// Type: string
+	// RequirementLevel: Recommended
+	// Stability: experimental
+	// Examples: 'Flag Manager'
+	FeatureFlagProviderNameKey = attribute.Key("feature_flag.provider_name")
+
+	// FeatureFlagVariantKey is the attribute Key conforming to the
+	// "feature_flag.variant" semantic conventions. It represents the sHOULD be
+	// a semantic identifier for a value. If one is unavailable, a stringified
+	// version of the value can be used.
+	//
+	// Type: string
+	// RequirementLevel: Recommended
+	// Stability: experimental
+	// Examples: 'red', 'true', 'on'
+	// Note: A semantic identifier, commonly referred to as a variant, provides
+	// a means
+	// for referring to a value without including the value itself. This can
+	// provide additional context for understanding the meaning behind a value.
+	// For example, the variant `red` maybe be used for the value `#c05543`.
+	//
+	// A stringified version of the value can be used in situations where a
+	// semantic identifier is unavailable. String representation of the value
+	// should be determined by the implementer.
+	FeatureFlagVariantKey = attribute.Key("feature_flag.variant")
+)
+
+// FeatureFlagKey returns an attribute KeyValue conforming to the
+// "feature_flag.key" semantic conventions. It represents the unique identifier
+// of the feature flag.
+func FeatureFlagKey(val string) attribute.KeyValue {
+	return FeatureFlagKeyKey.String(val)
+}
+
+// FeatureFlagProviderName returns an attribute KeyValue conforming to the
+// "feature_flag.provider_name" semantic conventions. It represents the name of
+// the service provider that performs the flag evaluation.
+func FeatureFlagProviderName(val string) attribute.KeyValue {
+	return FeatureFlagProviderNameKey.String(val)
+}
+
+// FeatureFlagVariant returns an attribute KeyValue conforming to the
+// "feature_flag.variant" semantic conventions. It represents the sHOULD be a
+// semantic identifier for a value. If one is unavailable, a stringified
+// version of the value can be used.
+func FeatureFlagVariant(val string) attribute.KeyValue {
+	return FeatureFlagVariantKey.String(val)
+}
+
+// RPC received/sent message.
+const (
+	// MessageCompressedSizeKey is the attribute Key conforming to the
+	// "message.compressed_size" semantic conventions. It represents the
+	// compressed size of the message in bytes.
+	//
+	// Type: int
+	// RequirementLevel: Optional
+	// Stability: experimental
+	MessageCompressedSizeKey = attribute.Key("message.compressed_size")
+
+	// MessageIDKey is the attribute Key conforming to the "message.id"
+	// semantic conventions. It represents the mUST be calculated as two
+	// different counters starting from `1` one for sent messages and one for
+	// received message.
+	//
+	// Type: int
+	// RequirementLevel: Optional
+	// Stability: experimental
+	// Note: This way we guarantee that the values will be consistent between
+	// different implementations.
+	MessageIDKey = attribute.Key("message.id")
+
+	// MessageTypeKey is the attribute Key conforming to the "message.type"
+	// semantic conventions. It represents the whether this is a received or
+	// sent message.
+	//
+	// Type: Enum
+	// RequirementLevel: Optional
+	// Stability: experimental
+	MessageTypeKey = attribute.Key("message.type")
+
+	// MessageUncompressedSizeKey is the attribute Key conforming to the
+	// "message.uncompressed_size" semantic conventions. It represents the
+	// uncompressed size of the message in bytes.
+	//
+	// Type: int
+	// RequirementLevel: Optional
+	// Stability: experimental
+	MessageUncompressedSizeKey = attribute.Key("message.uncompressed_size")
+)
+
+var (
+	// sent
+	MessageTypeSent = MessageTypeKey.String("SENT")
+	// received
+	MessageTypeReceived = MessageTypeKey.String("RECEIVED")
+)
+
+// MessageCompressedSize returns an attribute KeyValue conforming to the
+// "message.compressed_size" semantic conventions. It represents the compressed
+// size of the message in bytes.
+func MessageCompressedSize(val int) attribute.KeyValue {
+	return MessageCompressedSizeKey.Int(val)
+}
+
+// MessageID returns an attribute KeyValue conforming to the "message.id"
+// semantic conventions. It represents the mUST be calculated as two different
+// counters starting from `1` one for sent messages and one for received
+// message.
+func MessageID(val int) attribute.KeyValue {
+	return MessageIDKey.Int(val)
+}
+
+// MessageUncompressedSize returns an attribute KeyValue conforming to the
+// "message.uncompressed_size" semantic conventions. It represents the
+// uncompressed size of the message in bytes.
+func MessageUncompressedSize(val int) attribute.KeyValue {
+	return MessageUncompressedSizeKey.Int(val)
+}

vendor/go.opentelemetry.io/otel/semconv/v1.24.0/exception.go

@@ -0,0 +1,20 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package semconv // import "go.opentelemetry.io/otel/semconv/v1.24.0"
+
+const (
+	// ExceptionEventName is the name of the Span event representing an exception.
+	ExceptionEventName = "exception"
+)

vendor/go.opentelemetry.io/otel/semconv/v1.24.0/schema.go

@@ -0,0 +1,20 @@
+// Copyright The OpenTelemetry Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package semconv // import "go.opentelemetry.io/otel/semconv/v1.24.0"
+
+// SchemaURL is the schema URL that matches the version of the semantic conventions
+// that this package defines. Semconv packages starting from v1.4.0 must declare
+// non-empty schema URL in the form https://opentelemetry.io/schemas/<version>
+const SchemaURL = "https://opentelemetry.io/schemas/1.24.0"

vendor/go.opentelemetry.io/otel/trace/tracestate.go

@@ -17,20 +17,14 @@ package trace // import "go.opentelemetry.io/otel/trace"
 import (
 	"encoding/json"
 	"fmt"
-	"regexp"
 	"strings"
 )
 
 const (
 	maxListMembers = 32
 
-	listDelimiter = ","
+	listDelimiters  = ","
-
+	memberDelimiter = "="
-	// based on the W3C Trace Context specification, see
-	// https://www.w3.org/TR/trace-context-1/#tracestate-header
-	noTenantKeyFormat   = `[a-z][_0-9a-z\-\*\/]*`
-	withTenantKeyFormat = `[a-z0-9][_0-9a-z\-\*\/]*@[a-z][_0-9a-z\-\*\/]*`
-	valueFormat         = `[\x20-\x2b\x2d-\x3c\x3e-\x7e]*[\x21-\x2b\x2d-\x3c\x3e-\x7e]`
 
 	errInvalidKey    errorConst = "invalid tracestate key"
 	errInvalidValue  errorConst = "invalid tracestate value"
@@ -39,43 +33,128 @@ const (
 	errDuplicate     errorConst = "duplicate list-member in tracestate"
 )
 
-var (
-	noTenantKeyRe   = regexp.MustCompile(`^` + noTenantKeyFormat + `$`)
-	withTenantKeyRe = regexp.MustCompile(`^` + withTenantKeyFormat + `$`)
-	valueRe         = regexp.MustCompile(`^` + valueFormat + `$`)
-	memberRe        = regexp.MustCompile(`^\s*((?:` + noTenantKeyFormat + `)|(?:` + withTenantKeyFormat + `))=(` + valueFormat + `)\s*$`)
-)
-
 type member struct {
 	Key   string
 	Value string
 }
 
+// according to (chr = %x20 / (nblk-char = %x21-2B / %x2D-3C / %x3E-7E) )
+// means (chr = %x20-2B / %x2D-3C / %x3E-7E) .
+func checkValueChar(v byte) bool {
+	return v >= '\x20' && v <= '\x7e' && v != '\x2c' && v != '\x3d'
+}
+
+// according to (nblk-chr = %x21-2B / %x2D-3C / %x3E-7E) .
+func checkValueLast(v byte) bool {
+	return v >= '\x21' && v <= '\x7e' && v != '\x2c' && v != '\x3d'
+}
+
+// based on the W3C Trace Context specification
+//
+//	value    = (0*255(chr)) nblk-chr
+//	nblk-chr = %x21-2B / %x2D-3C / %x3E-7E
+//	chr      = %x20 / nblk-chr
+//
+// see https://www.w3.org/TR/trace-context-1/#value
+func checkValue(val string) bool {
+	n := len(val)
+	if n == 0 || n > 256 {
+		return false
+	}
+	for i := 0; i < n-1; i++ {
+		if !checkValueChar(val[i]) {
+			return false
+		}
+	}
+	return checkValueLast(val[n-1])
+}
+
+func checkKeyRemain(key string) bool {
+	// ( lcalpha / DIGIT / "_" / "-"/ "*" / "/" )
+	for _, v := range key {
+		if isAlphaNum(byte(v)) {
+			continue
+		}
+		switch v {
+		case '_', '-', '*', '/':
+			continue
+		}
+		return false
+	}
+	return true
+}
+
+// according to
+//
+//	simple-key = lcalpha (0*255( lcalpha / DIGIT / "_" / "-"/ "*" / "/" ))
+//	system-id = lcalpha (0*13( lcalpha / DIGIT / "_" / "-"/ "*" / "/" ))
+//
+// param n is remain part length, should be 255 in simple-key or 13 in system-id.
+func checkKeyPart(key string, n int) bool {
+	if len(key) == 0 {
+		return false
+	}
+	first := key[0] // key's first char
+	ret := len(key[1:]) <= n
+	ret = ret && first >= 'a' && first <= 'z'
+	return ret && checkKeyRemain(key[1:])
+}
+
+func isAlphaNum(c byte) bool {
+	if c >= 'a' && c <= 'z' {
+		return true
+	}
+	return c >= '0' && c <= '9'
+}
+
+// according to
+//
+//	tenant-id = ( lcalpha / DIGIT ) 0*240( lcalpha / DIGIT / "_" / "-"/ "*" / "/" )
+//
+// param n is remain part length, should be 240 exactly.
+func checkKeyTenant(key string, n int) bool {
+	if len(key) == 0 {
+		return false
+	}
+	return isAlphaNum(key[0]) && len(key[1:]) <= n && checkKeyRemain(key[1:])
+}
+
+// based on the W3C Trace Context specification
+//
+//	key = simple-key / multi-tenant-key
+//	simple-key = lcalpha (0*255( lcalpha / DIGIT / "_" / "-"/ "*" / "/" ))
+//	multi-tenant-key = tenant-id "@" system-id
+//	tenant-id = ( lcalpha / DIGIT ) (0*240( lcalpha / DIGIT / "_" / "-"/ "*" / "/" ))
+//	system-id = lcalpha (0*13( lcalpha / DIGIT / "_" / "-"/ "*" / "/" ))
+//	lcalpha    = %x61-7A ; a-z
+//
+// see https://www.w3.org/TR/trace-context-1/#tracestate-header.
+func checkKey(key string) bool {
+	tenant, system, ok := strings.Cut(key, "@")
+	if !ok {
+		return checkKeyPart(key, 255)
+	}
+	return checkKeyTenant(tenant, 240) && checkKeyPart(system, 13)
+}
+
 func newMember(key, value string) (member, error) {
-	if len(key) > 256 {
+	if !checkKey(key) {
-		return member{}, fmt.Errorf("%w: %s", errInvalidKey, key)
+		return member{}, errInvalidKey
 	}
-	if !noTenantKeyRe.MatchString(key) {
+	if !checkValue(value) {
-		if !withTenantKeyRe.MatchString(key) {
+		return member{}, errInvalidValue
-			return member{}, fmt.Errorf("%w: %s", errInvalidKey, key)
-		}
-		atIndex := strings.LastIndex(key, "@")
-		if atIndex > 241 || len(key)-1-atIndex > 14 {
-			return member{}, fmt.Errorf("%w: %s", errInvalidKey, key)
-		}
-	}
-	if len(value) > 256 || !valueRe.MatchString(value) {
-		return member{}, fmt.Errorf("%w: %s", errInvalidValue, value)
 	}
 	return member{Key: key, Value: value}, nil
 }
 
 func parseMember(m string) (member, error) {
-	matches := memberRe.FindStringSubmatch(m)
+	key, val, ok := strings.Cut(m, memberDelimiter)
-	if len(matches) != 3 {
+	if !ok {
 		return member{}, fmt.Errorf("%w: %s", errInvalidMember, m)
 	}
-	result, e := newMember(matches[1], matches[2])
+	key = strings.TrimLeft(key, " \t")
+	val = strings.TrimRight(val, " \t")
+	result, e := newMember(key, val)
 	if e != nil {
 		return member{}, fmt.Errorf("%w: %s", errInvalidMember, m)
 	}
@@ -85,7 +164,7 @@ func parseMember(m string) (member, error) {
 // String encodes member into a string compliant with the W3C Trace Context
 // specification.
 func (m member) String() string {
-	return fmt.Sprintf("%s=%s", m.Key, m.Value)
+	return m.Key + "=" + m.Value
 }
 
 // TraceState provides additional vendor-specific trace identification
@@ -109,8 +188,8 @@ var _ json.Marshaler = TraceState{}
 // ParseTraceState attempts to decode a TraceState from the passed
 // string. It returns an error if the input is invalid according to the W3C
 // Trace Context specification.
-func ParseTraceState(tracestate string) (TraceState, error) {
+func ParseTraceState(ts string) (TraceState, error) {
-	if tracestate == "" {
+	if ts == "" {
 		return TraceState{}, nil
 	}
 
@@ -120,7 +199,9 @@ func ParseTraceState(tracestate string) (TraceState, error) {
 
 	var members []member
 	found := make(map[string]struct{})
-	for _, memberStr := range strings.Split(tracestate, listDelimiter) {
+	for ts != "" {
+		var memberStr string
+		memberStr, ts, _ = strings.Cut(ts, listDelimiters)
 		if len(memberStr) == 0 {
 			continue
 		}
@@ -153,11 +234,29 @@ func (ts TraceState) MarshalJSON() ([]byte, error) {
 // Trace Context specification. The returned string will be invalid if the
 // TraceState contains any invalid members.
 func (ts TraceState) String() string {
-	members := make([]string, len(ts.list))
+	if len(ts.list) == 0 {
-	for i, m := range ts.list {
+		return ""
-		members[i] = m.String()
 	}
-	return strings.Join(members, listDelimiter)
+	var n int
+	n += len(ts.list)     // member delimiters: '='
+	n += len(ts.list) - 1 // list delimiters: ','
+	for _, mem := range ts.list {
+		n += len(mem.Key)
+		n += len(mem.Value)
+	}
+
+	var sb strings.Builder
+	sb.Grow(n)
+	_, _ = sb.WriteString(ts.list[0].Key)
+	_ = sb.WriteByte('=')
+	_, _ = sb.WriteString(ts.list[0].Value)
+	for i := 1; i < len(ts.list); i++ {
+		_ = sb.WriteByte(listDelimiters[0])
+		_, _ = sb.WriteString(ts.list[i].Key)
+		_ = sb.WriteByte('=')
+		_, _ = sb.WriteString(ts.list[i].Value)
+	}
+	return sb.String()
 }
 
 // Get returns the value paired with key from the corresponding TraceState
@@ -189,15 +288,25 @@ func (ts TraceState) Insert(key, value string) (TraceState, error) {
 	if err != nil {
 		return ts, err
 	}
-
+	n := len(ts.list)
-	cTS := ts.Delete(key)
+	found := n
-	if cTS.Len()+1 <= maxListMembers {
+	for i := range ts.list {
-		cTS.list = append(cTS.list, member{})
+		if ts.list[i].Key == key {
+			found = i
+		}
+	}
+	cTS := TraceState{}
+	if found == n && n < maxListMembers {
+		cTS.list = make([]member, n+1)
+	} else {
+		cTS.list = make([]member, n)
 	}
-	// When the number of members exceeds capacity, drop the "right-most".
-	copy(cTS.list[1:], cTS.list)
 	cTS.list[0] = m
-
+	// When the number of members exceeds capacity, drop the "right-most".
+	copy(cTS.list[1:], ts.list[0:found])
+	if found < n {
+		copy(cTS.list[1+found:], ts.list[found+1:])
+	}
 	return cTS, nil
 }
 

vendor/go.opentelemetry.io/otel/version.go

@@ -16,5 +16,5 @@ package otel // import "go.opentelemetry.io/otel"
 
 // Version is the current release version of OpenTelemetry in use.
 func Version() string {
-	return "1.21.0"
+	return "1.23.1"
 }

vendor/go.opentelemetry.io/otel/versions.yaml

@@ -14,19 +14,25 @@
 
 module-sets:
   stable-v1:
-    version: v1.21.0
+    version: v1.23.1
     modules:
       - go.opentelemetry.io/otel
+      - go.opentelemetry.io/otel/bridge/opencensus
+      - go.opentelemetry.io/otel/bridge/opencensus/test
       - go.opentelemetry.io/otel/bridge/opentracing
       - go.opentelemetry.io/otel/bridge/opentracing/test
       - go.opentelemetry.io/otel/example/dice
       - go.opentelemetry.io/otel/example/namedtracer
+      - go.opentelemetry.io/otel/example/opencensus
       - go.opentelemetry.io/otel/example/otel-collector
       - go.opentelemetry.io/otel/example/passthrough
       - go.opentelemetry.io/otel/example/zipkin
+      - go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc
+      - go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp
       - go.opentelemetry.io/otel/exporters/otlp/otlptrace
       - go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc
       - go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp
+      - go.opentelemetry.io/otel/exporters/stdout/stdoutmetric
       - go.opentelemetry.io/otel/exporters/stdout/stdouttrace
       - go.opentelemetry.io/otel/exporters/zipkin
       - go.opentelemetry.io/otel/metric
@@ -34,16 +40,10 @@ module-sets:
       - go.opentelemetry.io/otel/sdk/metric
       - go.opentelemetry.io/otel/trace
   experimental-metrics:
-    version: v0.44.0
+    version: v0.45.2
     modules:
-      - go.opentelemetry.io/otel/bridge/opencensus
-      - go.opentelemetry.io/otel/bridge/opencensus/test
-      - go.opentelemetry.io/otel/example/opencensus
       - go.opentelemetry.io/otel/example/prometheus
-      - go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetricgrpc
-      - go.opentelemetry.io/otel/exporters/otlp/otlpmetric/otlpmetrichttp
       - go.opentelemetry.io/otel/exporters/prometheus
-      - go.opentelemetry.io/otel/exporters/stdout/stdoutmetric
   experimental-schema:
     version: v0.0.7
     modules:

vendor/go.opentelemetry.io/proto/otlp/trace/v1/trace.pb.go

@@ -36,6 +36,69 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 
+// SpanFlags represents constants used to interpret the
+// Span.flags field, which is protobuf 'fixed32' type and is to
+// be used as bit-fields. Each non-zero value defined in this enum is
+// a bit-mask.  To extract the bit-field, for example, use an
+// expression like:
+//
+//   (span.flags & SPAN_FLAGS_TRACE_FLAGS_MASK)
+//
+// See https://www.w3.org/TR/trace-context-2/#trace-flags for the flag definitions.
+//
+// Note that Span flags were introduced in version 1.1 of the
+// OpenTelemetry protocol.  Older Span producers do not set this
+// field, consequently consumers should not rely on the absence of a
+// particular flag bit to indicate the presence of a particular feature.
+type SpanFlags int32
+
+const (
+	// The zero value for the enum. Should not be used for comparisons.
+	// Instead use bitwise "and" with the appropriate mask as shown above.
+	SpanFlags_SPAN_FLAGS_DO_NOT_USE SpanFlags = 0
+	// Bits 0-7 are used for trace flags.
+	SpanFlags_SPAN_FLAGS_TRACE_FLAGS_MASK SpanFlags = 255
+)
+
+// Enum value maps for SpanFlags.
+var (
+	SpanFlags_name = map[int32]string{
+		0:   "SPAN_FLAGS_DO_NOT_USE",
+		255: "SPAN_FLAGS_TRACE_FLAGS_MASK",
+	}
+	SpanFlags_value = map[string]int32{
+		"SPAN_FLAGS_DO_NOT_USE":       0,
+		"SPAN_FLAGS_TRACE_FLAGS_MASK": 255,
+	}
+)
+
+func (x SpanFlags) Enum() *SpanFlags {
+	p := new(SpanFlags)
+	*p = x
+	return p
+}
+
+func (x SpanFlags) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (SpanFlags) Descriptor() protoreflect.EnumDescriptor {
+	return file_opentelemetry_proto_trace_v1_trace_proto_enumTypes[0].Descriptor()
+}
+
+func (SpanFlags) Type() protoreflect.EnumType {
+	return &file_opentelemetry_proto_trace_v1_trace_proto_enumTypes[0]
+}
+
+func (x SpanFlags) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use SpanFlags.Descriptor instead.
+func (SpanFlags) EnumDescriptor() ([]byte, []int) {
+	return file_opentelemetry_proto_trace_v1_trace_proto_rawDescGZIP(), []int{0}
+}
+
 // SpanKind is the type of span. Can be used to specify additional relationships between spans
 // in addition to a parent/child relationship.
 type Span_SpanKind int32
@@ -94,11 +157,11 @@ func (x Span_SpanKind) String() string {
 }
 
 func (Span_SpanKind) Descriptor() protoreflect.EnumDescriptor {
-	return file_opentelemetry_proto_trace_v1_trace_proto_enumTypes[0].Descriptor()
+	return file_opentelemetry_proto_trace_v1_trace_proto_enumTypes[1].Descriptor()
 }
 
 func (Span_SpanKind) Type() protoreflect.EnumType {
-	return &file_opentelemetry_proto_trace_v1_trace_proto_enumTypes[0]
+	return &file_opentelemetry_proto_trace_v1_trace_proto_enumTypes[1]
 }
 
 func (x Span_SpanKind) Number() protoreflect.EnumNumber {
@@ -149,11 +212,11 @@ func (x Status_StatusCode) String() string {
 }
 
 func (Status_StatusCode) Descriptor() protoreflect.EnumDescriptor {
-	return file_opentelemetry_proto_trace_v1_trace_proto_enumTypes[1].Descriptor()
+	return file_opentelemetry_proto_trace_v1_trace_proto_enumTypes[2].Descriptor()
 }
 
 func (Status_StatusCode) Type() protoreflect.EnumType {
-	return &file_opentelemetry_proto_trace_v1_trace_proto_enumTypes[1]
+	return &file_opentelemetry_proto_trace_v1_trace_proto_enumTypes[2]
 }
 
 func (x Status_StatusCode) Number() protoreflect.EnumNumber {
@@ -238,6 +301,9 @@ type ResourceSpans struct {
 	Resource *v1.Resource `protobuf:"bytes,1,opt,name=resource,proto3" json:"resource,omitempty"`
 	// A list of ScopeSpans that originate from a resource.
 	ScopeSpans []*ScopeSpans `protobuf:"bytes,2,rep,name=scope_spans,json=scopeSpans,proto3" json:"scope_spans,omitempty"`
+	// The Schema URL, if known. This is the identifier of the Schema that the resource data
+	// is recorded in. To learn more about Schema URL see
+	// https://opentelemetry.io/docs/specs/otel/schemas/#schema-url
 	// This schema_url applies to the data in the "resource" field. It does not apply
 	// to the data in the "scope_spans" field which have their own schema_url field.
 	SchemaUrl string `protobuf:"bytes,3,opt,name=schema_url,json=schemaUrl,proto3" json:"schema_url,omitempty"`
@@ -308,6 +374,9 @@ type ScopeSpans struct {
 	Scope *v11.InstrumentationScope `protobuf:"bytes,1,opt,name=scope,proto3" json:"scope,omitempty"`
 	// A list of Spans that originate from an instrumentation scope.
 	Spans []*Span `protobuf:"bytes,2,rep,name=spans,proto3" json:"spans,omitempty"`
+	// The Schema URL, if known. This is the identifier of the Schema that the span data
+	// is recorded in. To learn more about Schema URL see
+	// https://opentelemetry.io/docs/specs/otel/schemas/#schema-url
 	// This schema_url applies to all spans and span events in the "spans" field.
 	SchemaUrl string `protobuf:"bytes,3,opt,name=schema_url,json=schemaUrl,proto3" json:"schema_url,omitempty"`
 }
@@ -394,6 +463,21 @@ type Span struct {
 	// The `span_id` of this span's parent span. If this is a root span, then this
 	// field must be empty. The ID is an 8-byte array.
 	ParentSpanId []byte `protobuf:"bytes,4,opt,name=parent_span_id,json=parentSpanId,proto3" json:"parent_span_id,omitempty"`
+	// Flags, a bit field. 8 least significant bits are the trace
+	// flags as defined in W3C Trace Context specification. Readers
+	// MUST not assume that 24 most significant bits will be zero.
+	// To read the 8-bit W3C trace flag, use `flags & SPAN_FLAGS_TRACE_FLAGS_MASK`.
+	//
+	// When creating span messages, if the message is logically forwarded from another source
+	// with an equivalent flags fields (i.e., usually another OTLP span message), the field SHOULD
+	// be copied as-is. If creating from a source that does not have an equivalent flags field
+	// (such as a runtime representation of an OpenTelemetry span), the high 24 bits MUST
+	// be set to zero.
+	//
+	// [Optional].
+	//
+	// See https://www.w3.org/TR/trace-context-2/#trace-flags for the flag definitions.
+	Flags uint32 `protobuf:"fixed32,16,opt,name=flags,proto3" json:"flags,omitempty"`
 	// A description of the span's operation.
 	//
 	// For example, the name can be a qualified method name or a file name
@@ -517,6 +601,13 @@ func (x *Span) GetParentSpanId() []byte {
 	return nil
 }
 
+func (x *Span) GetFlags() uint32 {
+	if x != nil {
+		return x.Flags
+	}
+	return 0
+}
+
 func (x *Span) GetName() string {
 	if x != nil {
 		return x.Name
@@ -757,6 +848,15 @@ type Span_Link struct {
 	// dropped_attributes_count is the number of dropped attributes. If the value is 0,
 	// then no attributes were dropped.
 	DroppedAttributesCount uint32 `protobuf:"varint,5,opt,name=dropped_attributes_count,json=droppedAttributesCount,proto3" json:"dropped_attributes_count,omitempty"`
+	// Flags, a bit field. 8 least significant bits are the trace
+	// flags as defined in W3C Trace Context specification. Readers
+	// MUST not assume that 24 most significant bits will be zero.
+	// When creating new spans, the most-significant 24-bits MUST be
+	// zero.  To read the 8-bit W3C trace flag (use flags &
+	// SPAN_FLAGS_TRACE_FLAGS_MASK).  [Optional].
+	//
+	// See https://www.w3.org/TR/trace-context-2/#trace-flags for the flag definitions.
+	Flags uint32 `protobuf:"fixed32,6,opt,name=flags,proto3" json:"flags,omitempty"`
 }
 
 func (x *Span_Link) Reset() {
@@ -826,6 +926,13 @@ func (x *Span_Link) GetDroppedAttributesCount() uint32 {
 	return 0
 }
 
+func (x *Span_Link) GetFlags() uint32 {
+	if x != nil {
+		return x.Flags
+	}
+	return 0
+}
+
 var File_opentelemetry_proto_trace_v1_trace_proto protoreflect.FileDescriptor
 
 var file_opentelemetry_proto_trace_v1_trace_proto_rawDesc = []byte{
@@ -869,7 +976,7 @@ var file_opentelemetry_proto_trace_v1_trace_proto_rawDesc = []byte{
 	0x2e, 0x74, 0x72, 0x61, 0x63, 0x65, 0x2e, 0x76, 0x31, 0x2e, 0x53, 0x70, 0x61, 0x6e, 0x52, 0x05,
 	0x73, 0x70, 0x61, 0x6e, 0x73, 0x12, 0x1d, 0x0a, 0x0a, 0x73, 0x63, 0x68, 0x65, 0x6d, 0x61, 0x5f,
 	0x75, 0x72, 0x6c, 0x18, 0x03, 0x20, 0x01, 0x28, 0x09, 0x52, 0x09, 0x73, 0x63, 0x68, 0x65, 0x6d,
-	0x61, 0x55, 0x72, 0x6c, 0x22, 0x9c, 0x0a, 0x0a, 0x04, 0x53, 0x70, 0x61, 0x6e, 0x12, 0x19, 0x0a,
+	0x61, 0x55, 0x72, 0x6c, 0x22, 0xc8, 0x0a, 0x0a, 0x04, 0x53, 0x70, 0x61, 0x6e, 0x12, 0x19, 0x0a,
 	0x08, 0x74, 0x72, 0x61, 0x63, 0x65, 0x5f, 0x69, 0x64, 0x18, 0x01, 0x20, 0x01, 0x28, 0x0c, 0x52,
 	0x07, 0x74, 0x72, 0x61, 0x63, 0x65, 0x49, 0x64, 0x12, 0x17, 0x0a, 0x07, 0x73, 0x70, 0x61, 0x6e,
 	0x5f, 0x69, 0x64, 0x18, 0x02, 0x20, 0x01, 0x28, 0x0c, 0x52, 0x06, 0x73, 0x70, 0x61, 0x6e, 0x49,
@@ -877,101 +984,108 @@ var file_opentelemetry_proto_trace_v1_trace_proto_rawDesc = []byte{
 	0x18, 0x03, 0x20, 0x01, 0x28, 0x09, 0x52, 0x0a, 0x74, 0x72, 0x61, 0x63, 0x65, 0x53, 0x74, 0x61,
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+	0x74, 0x65, 0x73, 0x12, 0x38, 0x0a, 0x18, 0x64, 0x72, 0x6f, 0x70, 0x70, 0x65, 0x64, 0x5f, 0x61,
+	0x74, 0x74, 0x72, 0x69, 0x62, 0x75, 0x74, 0x65, 0x73, 0x5f, 0x63, 0x6f, 0x75, 0x6e, 0x74, 0x18,
+	0x05, 0x20, 0x01, 0x28, 0x0d, 0x52, 0x16, 0x64, 0x72, 0x6f, 0x70, 0x70, 0x65, 0x64, 0x41, 0x74,
+	0x74, 0x72, 0x69, 0x62, 0x75, 0x74, 0x65, 0x73, 0x43, 0x6f, 0x75, 0x6e, 0x74, 0x12, 0x14, 0x0a,
+	0x05, 0x66, 0x6c, 0x61, 0x67, 0x73, 0x18, 0x06, 0x20, 0x01, 0x28, 0x07, 0x52, 0x05, 0x66, 0x6c,
+	0x61, 0x67, 0x73, 0x22, 0x99, 0x01, 0x0a, 0x08, 0x53, 0x70, 0x61, 0x6e, 0x4b, 0x69, 0x6e, 0x64,
+	0x12, 0x19, 0x0a, 0x15, 0x53, 0x50, 0x41, 0x4e, 0x5f, 0x4b, 0x49, 0x4e, 0x44, 0x5f, 0x55, 0x4e,
+	0x53, 0x50, 0x45, 0x43, 0x49, 0x46, 0x49, 0x45, 0x44, 0x10, 0x00, 0x12, 0x16, 0x0a, 0x12, 0x53,
+	0x50, 0x41, 0x4e, 0x5f, 0x4b, 0x49, 0x4e, 0x44, 0x5f, 0x49, 0x4e, 0x54, 0x45, 0x52, 0x4e, 0x41,
+	0x4c, 0x10, 0x01, 0x12, 0x14, 0x0a, 0x10, 0x53, 0x50, 0x41, 0x4e, 0x5f, 0x4b, 0x49, 0x4e, 0x44,
+	0x5f, 0x53, 0x45, 0x52, 0x56, 0x45, 0x52, 0x10, 0x02, 0x12, 0x14, 0x0a, 0x10, 0x53, 0x50, 0x41,
+	0x4e, 0x5f, 0x4b, 0x49, 0x4e, 0x44, 0x5f, 0x43, 0x4c, 0x49, 0x45, 0x4e, 0x54, 0x10, 0x03, 0x12,
+	0x16, 0x0a, 0x12, 0x53, 0x50, 0x41, 0x4e, 0x5f, 0x4b, 0x49, 0x4e, 0x44, 0x5f, 0x50, 0x52, 0x4f,
+	0x44, 0x55, 0x43, 0x45, 0x52, 0x10, 0x04, 0x12, 0x16, 0x0a, 0x12, 0x53, 0x50, 0x41, 0x4e, 0x5f,
+	0x4b, 0x49, 0x4e, 0x44, 0x5f, 0x43, 0x4f, 0x4e, 0x53, 0x55, 0x4d, 0x45, 0x52, 0x10, 0x05, 0x22,
+	0xbd, 0x01, 0x0a, 0x06, 0x53, 0x74, 0x61, 0x74, 0x75, 0x73, 0x12, 0x18, 0x0a, 0x07, 0x6d, 0x65,
+	0x73, 0x73, 0x61, 0x67, 0x65, 0x18, 0x02, 0x20, 0x01, 0x28, 0x09, 0x52, 0x07, 0x6d, 0x65, 0x73,
+	0x73, 0x61, 0x67, 0x65, 0x12, 0x43, 0x0a, 0x04, 0x63, 0x6f, 0x64, 0x65, 0x18, 0x03, 0x20, 0x01,
+	0x28, 0x0e, 0x32, 0x2f, 0x2e, 0x6f, 0x70, 0x65, 0x6e, 0x74, 0x65, 0x6c, 0x65, 0x6d, 0x65, 0x74,
+	0x72, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x74, 0x72, 0x61, 0x63, 0x65, 0x2e, 0x76,
+	0x31, 0x2e, 0x53, 0x74, 0x61, 0x74, 0x75, 0x73, 0x2e, 0x53, 0x74, 0x61, 0x74, 0x75, 0x73, 0x43,
+	0x6f, 0x64, 0x65, 0x52, 0x04, 0x63, 0x6f, 0x64, 0x65, 0x22, 0x4e, 0x0a, 0x0a, 0x53, 0x74, 0x61,
+	0x74, 0x75, 0x73, 0x43, 0x6f, 0x64, 0x65, 0x12, 0x15, 0x0a, 0x11, 0x53, 0x54, 0x41, 0x54, 0x55,
+	0x53, 0x5f, 0x43, 0x4f, 0x44, 0x45, 0x5f, 0x55, 0x4e, 0x53, 0x45, 0x54, 0x10, 0x00, 0x12, 0x12,
+	0x0a, 0x0e, 0x53, 0x54, 0x41, 0x54, 0x55, 0x53, 0x5f, 0x43, 0x4f, 0x44, 0x45, 0x5f, 0x4f, 0x4b,
+	0x10, 0x01, 0x12, 0x15, 0x0a, 0x11, 0x53, 0x54, 0x41, 0x54, 0x55, 0x53, 0x5f, 0x43, 0x4f, 0x44,
+	0x45, 0x5f, 0x45, 0x52, 0x52, 0x4f, 0x52, 0x10, 0x02, 0x4a, 0x04, 0x08, 0x01, 0x10, 0x02, 0x2a,
+	0x48, 0x0a, 0x09, 0x53, 0x70, 0x61, 0x6e, 0x46, 0x6c, 0x61, 0x67, 0x73, 0x12, 0x19, 0x0a, 0x15,
+	0x53, 0x50, 0x41, 0x4e, 0x5f, 0x46, 0x4c, 0x41, 0x47, 0x53, 0x5f, 0x44, 0x4f, 0x5f, 0x4e, 0x4f,
+	0x54, 0x5f, 0x55, 0x53, 0x45, 0x10, 0x00, 0x12, 0x20, 0x0a, 0x1b, 0x53, 0x50, 0x41, 0x4e, 0x5f,
+	0x46, 0x4c, 0x41, 0x47, 0x53, 0x5f, 0x54, 0x52, 0x41, 0x43, 0x45, 0x5f, 0x46, 0x4c, 0x41, 0x47,
+	0x53, 0x5f, 0x4d, 0x41, 0x53, 0x4b, 0x10, 0xff, 0x01, 0x42, 0x77, 0x0a, 0x1f, 0x69, 0x6f, 0x2e,
+	0x6f, 0x70, 0x65, 0x6e, 0x74, 0x65, 0x6c, 0x65, 0x6d, 0x65, 0x74, 0x72, 0x79, 0x2e, 0x70, 0x72,
+	0x6f, 0x74, 0x6f, 0x2e, 0x74, 0x72, 0x61, 0x63, 0x65, 0x2e, 0x76, 0x31, 0x42, 0x0a, 0x54, 0x72,
+	0x61, 0x63, 0x65, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x50, 0x01, 0x5a, 0x27, 0x67, 0x6f, 0x2e, 0x6f,
+	0x70, 0x65, 0x6e, 0x74, 0x65, 0x6c, 0x65, 0x6d, 0x65, 0x74, 0x72, 0x79, 0x2e, 0x69, 0x6f, 0x2f,
+	0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x6f, 0x74, 0x6c, 0x70, 0x2f, 0x74, 0x72, 0x61, 0x63, 0x65,
+	0x2f, 0x76, 0x31, 0xaa, 0x02, 0x1c, 0x4f, 0x70, 0x65, 0x6e, 0x54, 0x65, 0x6c, 0x65, 0x6d, 0x65,
+	0x74, 0x72, 0x79, 0x2e, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x2e, 0x54, 0x72, 0x61, 0x63, 0x65, 0x2e,
+	0x56, 0x31, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -986,36 +1100,37 @@ func file_opentelemetry_proto_trace_v1_trace_proto_rawDescGZIP() []byte {
 	return file_opentelemetry_proto_trace_v1_trace_proto_rawDescData
 }
 
-var file_opentelemetry_proto_trace_v1_trace_proto_enumTypes = make([]protoimpl.EnumInfo, 2)
+var file_opentelemetry_proto_trace_v1_trace_proto_enumTypes = make([]protoimpl.EnumInfo, 3)
 var file_opentelemetry_proto_trace_v1_trace_proto_msgTypes = make([]protoimpl.MessageInfo, 7)
 var file_opentelemetry_proto_trace_v1_trace_proto_goTypes = []interface{}{
-	(Span_SpanKind)(0),               // 0: opentelemetry.proto.trace.v1.Span.SpanKind
+	(SpanFlags)(0),                   // 0: opentelemetry.proto.trace.v1.SpanFlags
-	(Status_StatusCode)(0),           // 1: opentelemetry.proto.trace.v1.Status.StatusCode
+	(Span_SpanKind)(0),               // 1: opentelemetry.proto.trace.v1.Span.SpanKind
-	(*TracesData)(nil),               // 2: opentelemetry.proto.trace.v1.TracesData
+	(Status_StatusCode)(0),           // 2: opentelemetry.proto.trace.v1.Status.StatusCode
-	(*ResourceSpans)(nil),            // 3: opentelemetry.proto.trace.v1.ResourceSpans
+	(*TracesData)(nil),               // 3: opentelemetry.proto.trace.v1.TracesData
-	(*ScopeSpans)(nil),               // 4: opentelemetry.proto.trace.v1.ScopeSpans
+	(*ResourceSpans)(nil),            // 4: opentelemetry.proto.trace.v1.ResourceSpans
-	(*Span)(nil),                     // 5: opentelemetry.proto.trace.v1.Span
+	(*ScopeSpans)(nil),               // 5: opentelemetry.proto.trace.v1.ScopeSpans
-	(*Status)(nil),                   // 6: opentelemetry.proto.trace.v1.Status
+	(*Span)(nil),                     // 6: opentelemetry.proto.trace.v1.Span
-	(*Span_Event)(nil),               // 7: opentelemetry.proto.trace.v1.Span.Event
+	(*Status)(nil),                   // 7: opentelemetry.proto.trace.v1.Status
-	(*Span_Link)(nil),                // 8: opentelemetry.proto.trace.v1.Span.Link
+	(*Span_Event)(nil),               // 8: opentelemetry.proto.trace.v1.Span.Event
-	(*v1.Resource)(nil),              // 9: opentelemetry.proto.resource.v1.Resource
+	(*Span_Link)(nil),                // 9: opentelemetry.proto.trace.v1.Span.Link
-	(*v11.InstrumentationScope)(nil), // 10: opentelemetry.proto.common.v1.InstrumentationScope
+	(*v1.Resource)(nil),              // 10: opentelemetry.proto.resource.v1.Resource
-	(*v11.KeyValue)(nil),             // 11: opentelemetry.proto.common.v1.KeyValue
+	(*v11.InstrumentationScope)(nil), // 11: opentelemetry.proto.common.v1.InstrumentationScope
+	(*v11.KeyValue)(nil),             // 12: opentelemetry.proto.common.v1.KeyValue
 }
 var file_opentelemetry_proto_trace_v1_trace_proto_depIdxs = []int32{
-	3,  // 0: opentelemetry.proto.trace.v1.TracesData.resource_spans:type_name -> opentelemetry.proto.trace.v1.ResourceSpans
+	4,  // 0: opentelemetry.proto.trace.v1.TracesData.resource_spans:type_name -> opentelemetry.proto.trace.v1.ResourceSpans
-	9,  // 1: opentelemetry.proto.trace.v1.ResourceSpans.resource:type_name -> opentelemetry.proto.resource.v1.Resource
+	10, // 1: opentelemetry.proto.trace.v1.ResourceSpans.resource:type_name -> opentelemetry.proto.resource.v1.Resource
-	4,  // 2: opentelemetry.proto.trace.v1.ResourceSpans.scope_spans:type_name -> opentelemetry.proto.trace.v1.ScopeSpans
+	5,  // 2: opentelemetry.proto.trace.v1.ResourceSpans.scope_spans:type_name -> opentelemetry.proto.trace.v1.ScopeSpans
-	10, // 3: opentelemetry.proto.trace.v1.ScopeSpans.scope:type_name -> opentelemetry.proto.common.v1.InstrumentationScope
+	11, // 3: opentelemetry.proto.trace.v1.ScopeSpans.scope:type_name -> opentelemetry.proto.common.v1.InstrumentationScope
-	5,  // 4: opentelemetry.proto.trace.v1.ScopeSpans.spans:type_name -> opentelemetry.proto.trace.v1.Span
+	6,  // 4: opentelemetry.proto.trace.v1.ScopeSpans.spans:type_name -> opentelemetry.proto.trace.v1.Span
-	0,  // 5: opentelemetry.proto.trace.v1.Span.kind:type_name -> opentelemetry.proto.trace.v1.Span.SpanKind
+	1,  // 5: opentelemetry.proto.trace.v1.Span.kind:type_name -> opentelemetry.proto.trace.v1.Span.SpanKind
-	11, // 6: opentelemetry.proto.trace.v1.Span.attributes:type_name -> opentelemetry.proto.common.v1.KeyValue
+	12, // 6: opentelemetry.proto.trace.v1.Span.attributes:type_name -> opentelemetry.proto.common.v1.KeyValue
-	7,  // 7: opentelemetry.proto.trace.v1.Span.events:type_name -> opentelemetry.proto.trace.v1.Span.Event
+	8,  // 7: opentelemetry.proto.trace.v1.Span.events:type_name -> opentelemetry.proto.trace.v1.Span.Event
-	8,  // 8: opentelemetry.proto.trace.v1.Span.links:type_name -> opentelemetry.proto.trace.v1.Span.Link
+	9,  // 8: opentelemetry.proto.trace.v1.Span.links:type_name -> opentelemetry.proto.trace.v1.Span.Link
-	6,  // 9: opentelemetry.proto.trace.v1.Span.status:type_name -> opentelemetry.proto.trace.v1.Status
+	7,  // 9: opentelemetry.proto.trace.v1.Span.status:type_name -> opentelemetry.proto.trace.v1.Status
-	1,  // 10: opentelemetry.proto.trace.v1.Status.code:type_name -> opentelemetry.proto.trace.v1.Status.StatusCode
+	2,  // 10: opentelemetry.proto.trace.v1.Status.code:type_name -> opentelemetry.proto.trace.v1.Status.StatusCode
-	11, // 11: opentelemetry.proto.trace.v1.Span.Event.attributes:type_name -> opentelemetry.proto.common.v1.KeyValue
+	12, // 11: opentelemetry.proto.trace.v1.Span.Event.attributes:type_name -> opentelemetry.proto.common.v1.KeyValue
-	11, // 12: opentelemetry.proto.trace.v1.Span.Link.attributes:type_name -> opentelemetry.proto.common.v1.KeyValue
+	12, // 12: opentelemetry.proto.trace.v1.Span.Link.attributes:type_name -> opentelemetry.proto.common.v1.KeyValue
 	13, // [13:13] is the sub-list for method output_type
 	13, // [13:13] is the sub-list for method input_type
 	13, // [13:13] is the sub-list for extension type_name
@@ -1119,7 +1234,7 @@ func file_opentelemetry_proto_trace_v1_trace_proto_init() {
 		File: protoimpl.DescBuilder{
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_opentelemetry_proto_trace_v1_trace_proto_rawDesc,
-			NumEnums:      2,
+			NumEnums:      3,
 			NumMessages:   7,
 			NumExtensions: 0,
 			NumServices:   0,

vendor/modules.txt

@@ -195,7 +195,7 @@ github.com/docker/go-units
 ## explicit; go 1.13
 github.com/emicklei/go-restful/v3
 github.com/emicklei/go-restful/v3/log
-# github.com/felixge/httpsnoop v1.0.3
+# github.com/felixge/httpsnoop v1.0.4
 ## explicit; go 1.13
 github.com/felixge/httpsnoop
 # github.com/fsnotify/fsnotify v1.7.0
@@ -248,8 +248,8 @@ github.com/grpc-ecosystem/go-grpc-middleware
 # github.com/grpc-ecosystem/go-grpc-prometheus v1.2.0
 ## explicit
 github.com/grpc-ecosystem/go-grpc-prometheus
-# github.com/grpc-ecosystem/grpc-gateway/v2 v2.16.2
+# github.com/grpc-ecosystem/grpc-gateway/v2 v2.19.0
-## explicit; go 1.17
+## explicit; go 1.19
 github.com/grpc-ecosystem/grpc-gateway/v2/internal/httprule
 github.com/grpc-ecosystem/grpc-gateway/v2/runtime
 github.com/grpc-ecosystem/grpc-gateway/v2/utilities
@@ -402,15 +402,15 @@ go.opencensus.io/internal
 go.opencensus.io/trace
 go.opencensus.io/trace/internal
 go.opencensus.io/trace/tracestate
-# go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.46.1
+# go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc v0.48.0
 ## explicit; go 1.20
 go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc
 go.opentelemetry.io/contrib/instrumentation/google.golang.org/grpc/otelgrpc/internal
-# go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.45.0
+# go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.48.0
-## explicit; go 1.19
+## explicit; go 1.20
 go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp
 go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp/internal/semconvutil
-# go.opentelemetry.io/otel v1.21.0
+# go.opentelemetry.io/otel v1.23.1
 ## explicit; go 1.20
 go.opentelemetry.io/otel
 go.opentelemetry.io/otel/attribute
@@ -422,30 +422,33 @@ go.opentelemetry.io/otel/internal/baggage
 go.opentelemetry.io/otel/internal/global
 go.opentelemetry.io/otel/propagation
 go.opentelemetry.io/otel/semconv/v1.17.0
+go.opentelemetry.io/otel/semconv/v1.20.0
 go.opentelemetry.io/otel/semconv/v1.21.0
-# go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.19.0
+go.opentelemetry.io/otel/semconv/v1.24.0
+# go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.23.1
 ## explicit; go 1.20
 go.opentelemetry.io/otel/exporters/otlp/otlptrace
 go.opentelemetry.io/otel/exporters/otlp/otlptrace/internal/tracetransform
-# go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.19.0
+# go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.23.1
 ## explicit; go 1.20
 go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc
 go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc/internal
 go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc/internal/envconfig
 go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc/internal/otlpconfig
 go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc/internal/retry
-# go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.19.0
+# go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.23.1
 ## explicit; go 1.20
 go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp
 go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp/internal
 go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp/internal/envconfig
 go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp/internal/otlpconfig
 go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp/internal/retry
-# go.opentelemetry.io/otel/metric v1.21.0
+# go.opentelemetry.io/otel/metric v1.23.1
 ## explicit; go 1.20
 go.opentelemetry.io/otel/metric
 go.opentelemetry.io/otel/metric/embedded
-# go.opentelemetry.io/otel/sdk v1.21.0
+go.opentelemetry.io/otel/metric/noop
+# go.opentelemetry.io/otel/sdk v1.23.1
 ## explicit; go 1.20
 go.opentelemetry.io/otel/sdk
 go.opentelemetry.io/otel/sdk/instrumentation
@@ -454,12 +457,12 @@ go.opentelemetry.io/otel/sdk/internal/env
 go.opentelemetry.io/otel/sdk/resource
 go.opentelemetry.io/otel/sdk/trace
 go.opentelemetry.io/otel/sdk/trace/tracetest
-# go.opentelemetry.io/otel/trace v1.21.0
+# go.opentelemetry.io/otel/trace v1.23.1
 ## explicit; go 1.20
 go.opentelemetry.io/otel/trace
 go.opentelemetry.io/otel/trace/embedded
 go.opentelemetry.io/otel/trace/noop
-# go.opentelemetry.io/proto/otlp v1.0.0
+# go.opentelemetry.io/proto/otlp v1.1.0
 ## explicit; go 1.17
 go.opentelemetry.io/proto/otlp/collector/trace/v1
 go.opentelemetry.io/proto/otlp/common/v1
@@ -473,7 +476,7 @@ golang.org/x/exp/slices
 # golang.org/x/mod v0.14.0
 ## explicit; go 1.18
 golang.org/x/mod/semver
-# golang.org/x/net v0.19.0
+# golang.org/x/net v0.20.0
 ## explicit; go 1.18
 golang.org/x/net/context
 golang.org/x/net/http/httpguts
@@ -485,7 +488,7 @@ golang.org/x/net/internal/timeseries
 golang.org/x/net/proxy
 golang.org/x/net/trace
 golang.org/x/net/websocket
-# golang.org/x/oauth2 v0.14.0
+# golang.org/x/oauth2 v0.15.0
 ## explicit; go 1.18
 golang.org/x/oauth2
 golang.org/x/oauth2/internal
@@ -503,7 +506,7 @@ golang.org/x/sys/windows/registry
 golang.org/x/sys/windows/svc
 golang.org/x/sys/windows/svc/debug
 golang.org/x/sys/windows/svc/mgr
-# golang.org/x/term v0.15.0
+# golang.org/x/term v0.16.0
 ## explicit; go 1.18
 golang.org/x/term
 # golang.org/x/text v0.14.0
@@ -544,10 +547,10 @@ google.golang.org/appengine/internal/log
 google.golang.org/appengine/internal/remote_api
 google.golang.org/appengine/internal/urlfetch
 google.golang.org/appengine/urlfetch
-# google.golang.org/genproto/googleapis/api v0.0.0-20231106174013-bbf56f31fb17
+# google.golang.org/genproto/googleapis/api v0.0.0-20240102182953-50ed04b92917
 ## explicit; go 1.19
 google.golang.org/genproto/googleapis/api/httpbody
-# google.golang.org/genproto/googleapis/rpc v0.0.0-20231212172506-995d672761c0
+# google.golang.org/genproto/googleapis/rpc v0.0.0-20240102182953-50ed04b92917
 ## explicit; go 1.19
 google.golang.org/genproto/googleapis/rpc/code
 google.golang.org/genproto/googleapis/rpc/errdetails