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Merge pull request #1473 from thaJeztah/bump_containerd

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vendor: update containerd and dependencies to ed261720c8
This commit is contained in:
Akihiro Suda 2020-05-10 09:45:57 +09:00 committed by GitHub
commit 34e6985f78
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179 changed files with 6735 additions and 1514 deletions
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26
vendor.conf
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@ -1,5 +1,5 @@
# cri dependencies
github.com/docker/distribution 0d3efadf0154c2b8a4e7b6621fff9809655cc580
github.com/docker/distribution 2461543d988979529609e8cb6fca9ca190dc48da # v2.7.1
github.com/docker/docker 4634ce647cf2ce2c6031129ccd109e557244986f
github.com/opencontainers/selinux 0d49ba2a6aae052c614dfe5de62a158711a6c461 # v1.5.1
github.com/tchap/go-patricia 666120de432aea38ab06bd5c818f04f4129882c9 # v2.2.6
@ -8,17 +8,17 @@ github.com/tchap/go-patricia 666120de432aea38ab06bd5c818f
github.com/beorn7/perks 37c8de3658fcb183f997c4e13e8337516ab753e6 # v1.0.1
github.com/BurntSushi/toml 3012a1dbe2e4bd1391d42b32f0577cb7bbc7f005 # v0.3.1
github.com/cespare/xxhash/v2 d7df74196a9e781ede915320c11c378c1b2f3a1f # v2.1.1
github.com/containerd/cgroups 7347743e5d1e8500d9f27c8e748e689ed991d92b
github.com/containerd/cgroups b4448137398923af7f4918b8b2ad8249172ca7a6
github.com/containerd/console 8375c3424e4d7b114e8a90a4a40c8e1b40d1d4e6 # v1.0.0
github.com/containerd/containerd 01310155947cb6eec37dcae29742a165e56acb4a
github.com/containerd/containerd ed261720c86d1e700cd5d39175128322baac6dda
github.com/containerd/continuity 0ec596719c75bfd42908850990acea594b7593ac
github.com/containerd/fifo bda0ff6ed73c67bfb5e62bc9c697f146b7fd7f13
github.com/containerd/go-runc a5c2862aed5e6358b305b0e16bfce58e0549b1cd
github.com/containerd/ttrpc 92c8520ef9f86600c650dd540266a007bf03670f # v1.0.0
github.com/containerd/typeurl a93fcdb778cd272c6e9b3028b2f42d813e785d40 # v1.0.0
github.com/containerd/ttrpc 72bb1b21c5b0a4a107f59dd85f6ab58e564b68d6 # v1.0.1
github.com/containerd/typeurl cd3ce7159eae562a4f60ceff37dada11a939d247 # v1.0.1
github.com/coreos/go-systemd/v22 2d78030078ef61b3cae27f42ad6d0e46db51b339 # v22.0.0
github.com/cpuguy83/go-md2man 7762f7e404f8416dfa1d9bb6a8c192aa9acb4d19 # v1.0.10
github.com/docker/go-events 9461782956ad83b30282bf90e31fa6a70c255ba9
github.com/docker/go-events e31b211e4f1cd09aa76fe4ac244571fab96ae47f
github.com/docker/go-metrics b619b3592b65de4f087d9f16863a7e6ff905973c # v0.0.1
github.com/docker/go-units 519db1ee28dcc9fd2474ae59fca29a810482bfb1 # v0.4.0
github.com/godbus/dbus/v5 37bf87eef99d69c4f1d3528bd66e3a87dc201472 # v5.0.3
@ -27,23 +27,25 @@ github.com/gogo/protobuf 5628607bb4c51c3157aacc3a50f0
github.com/golang/protobuf d23c5127dc24889085f8ccea5c9d560a57a879d8 # v1.3.3
github.com/google/uuid 0cd6bf5da1e1c83f8b45653022c74f71af0538a4 # v1.1.1
github.com/grpc-ecosystem/go-grpc-prometheus c225b8c3b01faf2899099b768856a9e916e5087b # v1.2.0
github.com/hashicorp/errwrap 8a6fb523712970c966eefc6b39ed2c5e74880354 # v1.0.0
github.com/hashicorp/go-multierror 886a7fbe3eb1c874d46f623bfa70af45f425b3d1 # v1.0.0
github.com/hashicorp/golang-lru 7f827b33c0f158ec5dfbba01bb0b14a4541fd81d # v0.5.3
github.com/imdario/mergo 7c29201646fa3de8506f701213473dd407f19646 # v0.3.7
github.com/konsorten/go-windows-terminal-sequences 5c8c8bd35d3832f5d134ae1e1e375b69a4d25242 # v1.0.1
github.com/konsorten/go-windows-terminal-sequences edb144dfd453055e1e49a3d8b410a660b5a87613 # v1.0.3
github.com/matttproud/golang_protobuf_extensions c12348ce28de40eed0136aa2b644d0ee0650e56c # v1.0.1
github.com/Microsoft/go-winio 6c72808b55902eae4c5943626030429ff20f3b63 # v0.4.14
github.com/Microsoft/hcsshim 0b571ac85d7c5842b26d2571de4868634a4c39d7 # v0.8.7-24-g0b571ac8
github.com/Microsoft/hcsshim 5bc557dd210ff2caf615e6e22d398123de77fc11 # v0.8.9
github.com/opencontainers/go-digest c9281466c8b2f606084ac71339773efd177436e7
github.com/opencontainers/image-spec d60099175f88c47cd379c4738d158884749ed235 # v1.0.1
github.com/opencontainers/runc dc9208a3303feef5b3839f4323d9beb36df0a9dd # v1.0.0-rc10
github.com/opencontainers/runtime-spec 29686dbc5559d93fb1ef402eeda3e35c38d75af4 # v1.0.1-59-g29686db
github.com/pkg/errors ba968bfe8b2f7e042a574c888954fccecfa385b4 # v0.8.1
github.com/opencontainers/runtime-spec c4ee7d12c742ffe806cd9350b6af3b4b19faed6f # v1.0.2
github.com/pkg/errors 614d223910a179a466c1767a985424175c39b465 # v0.9.1
github.com/prometheus/client_golang c42bebe5a5cddfc6b28cd639103369d8a75dfa89 # v1.3.0
github.com/prometheus/client_model d1d2010b5beead3fa1c5f271a5cf626e40b3ad6e # v0.1.0
github.com/prometheus/common 287d3e634a1e550c9e463dd7e5a75a422c614505 # v0.7.0
github.com/prometheus/procfs 6d489fc7f1d9cd890a250f3ea3431b1744b9623f # v0.0.8
github.com/russross/blackfriday 05f3235734ad95d0016f6a23902f06461fcf567a # v1.5.2
github.com/sirupsen/logrus 8bdbc7bcc01dcbb8ec23dc8a28e332258d25251f # v1.4.1
github.com/sirupsen/logrus 60c74ad9be0d874af0ab0daef6ab07c5c5911f0d # v1.6.0
github.com/syndtr/gocapability d98352740cb2c55f81556b63d4a1ec64c5a319c2
github.com/urfave/cli bfe2e925cfb6d44b40ad3a779165ea7e8aff9212 # v1.22.0
go.etcd.io/bbolt a0458a2b35708eef59eb5f620ceb3cd1c01a824d # v1.3.3
@ -56,7 +58,7 @@ google.golang.org/genproto e50cd9704f63023d62cd06a1994b
google.golang.org/grpc f495f5b15ae7ccda3b38c53a1bfcde4c1a58a2bc # v1.27.1
# cgroups dependencies
github.com/cilium/ebpf 60c3aa43f488292fe2ee50fb8b833b383ca8ebbb
github.com/cilium/ebpf 4032b1d8aae306b7bb94a2a11002932caf88c644
# kubernetes dependencies
github.com/davecgh/go-spew 8991bc29aa16c548c550c7ff78260e27b9ab7c73 # v1.1.1

5
vendor/github.com/Microsoft/hcsshim/README.md generated vendored
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@ -16,6 +16,11 @@ When you submit a pull request, a CLA-bot will automatically determine whether y
a CLA and decorate the PR appropriately (e.g., label, comment). Simply follow the instructions
provided by the bot. You will only need to do this once across all repos using our CLA.
We also ask that contributors [sign their commits](https://git-scm.com/docs/git-commit) using `git commit -s` or `git commit --signoff` to certify they either authored the work themselves or otherwise have permission to use it in this project.
## Code of Conduct
This project has adopted the [Microsoft Open Source Code of Conduct](https://opensource.microsoft.com/codeofconduct/).
For more information see the [Code of Conduct FAQ](https://opensource.microsoft.com/codeofconduct/faq/) or
contact [opencode@microsoft.com](mailto:opencode@microsoft.com) with any additional questions or comments.

147
vendor/github.com/Microsoft/hcsshim/cmd/containerd-shim-runhcs-v1/options/runhcs.pb.go generated vendored
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@ -112,7 +112,10 @@ type Options struct {
// hypervisor isolated utility vm.
//
// The platform default is 1024MB if omitted.
VmMemorySizeInMb int32 `protobuf:"varint,9,opt,name=vm_memory_size_in_mb,json=vmMemorySizeInMb,proto3" json:"vm_memory_size_in_mb,omitempty"`
VmMemorySizeInMb int32 `protobuf:"varint,9,opt,name=vm_memory_size_in_mb,json=vmMemorySizeInMb,proto3" json:"vm_memory_size_in_mb,omitempty"`
// GPUVHDPath is the path to the gpu vhd to add to the uvm
// when a container requests a gpu
GPUVHDPath string `protobuf:"bytes,10,opt,name=GPUVHDPath,json=gPUVHDPath,proto3" json:"GPUVHDPath,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
@ -211,55 +214,56 @@ func init() {
}
var fileDescriptor_b643df6839c75082 = []byte{
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0x9f, 0xdb, 0x31, 0x33, 0x78, 0xff, 0x3d, 0xc3, 0xac, 0xae, 0xd8, 0xdc, 0x8a, 0x9a, 0x9a, 0xf7,
0x08, 0xf2, 0xa1, 0x9f, 0x70, 0xae, 0xf0, 0x35, 0x5d, 0x10, 0x69, 0x66, 0xc2, 0x65, 0xac, 0xe6,
0x6e, 0xd7, 0xf4, 0xb2, 0xa7, 0xb9, 0x33, 0x4d, 0xe9, 0xc9, 0xc2, 0x58, 0xcd, 0xd1, 0x33, 0x40,
0x2b, 0x86, 0x4b, 0xc1, 0x53, 0x22, 0x25, 0x17, 0x38, 0xe5, 0xcb, 0x42, 0xb9, 0xbd, 0x91, 0x75,
0xd8, 0x8e, 0x9c, 0x15, 0x0b, 0x1b, 0xe2, 0x54, 0xe3, 0xc8, 0x83, 0xfe, 0x8a, 0x61, 0x46, 0x18,
0x17, 0x6b, 0x2c, 0xe9, 0x1b, 0x82, 0x69, 0x81, 0x59, 0xe2, 0xda, 0x8d, 0xfe, 0xdc, 0x50, 0x33,
0xfa, 0x86, 0x04, 0xc5, 0x79, 0x82, 0x06, 0x00, 0x5f, 0x87, 0xdf, 0xbd, 0x7c, 0x31, 0xd1, 0xb5,
0x5c, 0x30, 0x4d, 0x40, 0x7e, 0x8f, 0x1c, 0x3c, 0x05, 0xfb, 0xfe, 0x61, 0x90, 0x0d, 0xed, 0x8b,
0x30, 0x08, 0xa7, 0x4e, 0x0b, 0xf5, 0x60, 0xfb, 0x2c, 0xf8, 0x76, 0xea, 0x58, 0xa8, 0x0b, 0x5b,
0xd3, 0xab, 0x57, 0xce, 0x83, 0x03, 0x1f, 0x9c, 0xf7, 0xe7, 0x47, 0x0f, 0xa1, 0x1b, 0x46, 0x97,
0xa7, 0xd3, 0xd9, 0xcc, 0x69, 0xa1, 0x5d, 0x80, 0x17, 0x3f, 0x84, 0xd3, 0xe8, 0x65, 0x30, 0xbb,
0x8c, 0x1c, 0xeb, 0xe0, 0xcf, 0x2d, 0xd8, 0xad, 0xdb, 0x9f, 0x10, 0x15, 0xd3, 0x85, 0x44, 0x9f,
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0xa7, 0x00, 0xa9, 0x20, 0xb1, 0x22, 0x19, 0x8e, 0x95, 0x89, 0xd5, 0xc3, 0xe7, 0xfb, 0x5e, 0x15,
0x57, 0xaf, 0x89, 0xab, 0x77, 0xd5, 0xc4, 0x75, 0xdc, 0xbb, 0xbd, 0x1b, 0xb6, 0x7e, 0xfd, 0x6b,
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0x35, 0x3e, 0x39, 0x3e, 0xc6, 0x85, 0x34, 0xc1, 0xda, 0x8e, 0x1e, 0x55, 0x8c, 0x76, 0x38, 0x39,
0x3e, 0xbe, 0x90, 0xc8, 0x83, 0x8f, 0xeb, 0x65, 0xa6, 0x9c, 0x31, 0xaa, 0x70, 0xb2, 0x56, 0x44,
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0xcf, 0x5c, 0xbc, 0xa6, 0x45, 0x8e, 0x25, 0x51, 0xb8, 0x14, 0x74, 0x15, 0x2b, 0x52, 0x5f, 0x6e,
0x9b, 0xcb, 0x9f, 0x56, 0xba, 0x57, 0x95, 0x6c, 0x46, 0x54, 0x58, 0x89, 0x2a, 0x9f, 0x09, 0x0c,
0x3f, 0xe0, 0x23, 0xe7, 0xb1, 0x20, 0x59, 0x6d, 0xd3, 0x31, 0x36, 0x9f, 0xbc, 0x6f, 0x33, 0x33,
0x9a, 0xca, 0xe5, 0x19, 0x40, 0x1d, 0x1c, 0x4c, 0x33, 0x13, 0xb1, 0x9d, 0xf1, 0xce, 0xe6, 0x6e,
0x68, 0xd7, 0x6b, 0x0f, 0x26, 0x91, 0x5d, 0x0b, 0x82, 0x0c, 0x3d, 0x01, 0x67, 0x29, 0x89, 0xf8,
0xd7, 0x5a, 0x7a, 0xa6, 0xc8, 0x8e, 0xc6, 0xdf, 0x2d, 0xe5, 0x31, 0x74, 0xc9, 0x0d, 0x49, 0xb5,
0xa7, 0xce, 0x95, 0x3d, 0x86, 0xcd, 0xdd, 0xb0, 0x33, 0xbd, 0x21, 0x69, 0x30, 0x89, 0x3a, 0x9a,
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0x6e, 0x06, 0xd6, 0xef, 0x9b, 0x81, 0xf5, 0xf7, 0x66, 0x60, 0xfd, 0xf8, 0xcd, 0xff, 0xff, 0x73,
0xfb, 0xb2, 0xfe, 0xfd, 0xbe, 0x95, 0x74, 0xcc, 0xbb, 0x7f, 0xf1, 0x4f, 0x00, 0x00, 0x00, 0xff,
0xff, 0xc9, 0xeb, 0xae, 0x6f, 0x33, 0x05, 0x00, 0x00,
}
func (m *Options) Marshal() (dAtA []byte, err error) {
@ -331,6 +335,12 @@ func (m *Options) MarshalTo(dAtA []byte) (int, error) {
i++
i = encodeVarintRunhcs(dAtA, i, uint64(m.VmMemorySizeInMb))
}
if len(m.GPUVHDPath) > 0 {
dAtA[i] = 0x52
i++
i = encodeVarintRunhcs(dAtA, i, uint64(len(m.GPUVHDPath)))
i += copy(dAtA[i:], m.GPUVHDPath)
}
if m.XXX_unrecognized != nil {
i += copy(dAtA[i:], m.XXX_unrecognized)
}
@ -454,6 +464,10 @@ func (m *Options) Size() (n int) {
if m.VmMemorySizeInMb != 0 {
n += 1 + sovRunhcs(uint64(m.VmMemorySizeInMb))
}
l = len(m.GPUVHDPath)
if l > 0 {
n += 1 + l + sovRunhcs(uint64(l))
}
if m.XXX_unrecognized != nil {
n += len(m.XXX_unrecognized)
}
@ -527,6 +541,7 @@ func (this *Options) String() string {
`BootFilesRootPath:` + fmt.Sprintf("%v", this.BootFilesRootPath) + `,`,
`VmProcessorCount:` + fmt.Sprintf("%v", this.VmProcessorCount) + `,`,
`VmMemorySizeInMb:` + fmt.Sprintf("%v", this.VmMemorySizeInMb) + `,`,
`GPUVHDPath:` + fmt.Sprintf("%v", this.GPUVHDPath) + `,`,
`XXX_unrecognized:` + fmt.Sprintf("%v", this.XXX_unrecognized) + `,`,
`}`,
}, "")
@ -812,6 +827,38 @@ func (m *Options) Unmarshal(dAtA []byte) error {
break
}
}
case 10:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field GPUVHDPath", wireType)
}
var stringLen uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowRunhcs
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
stringLen |= uint64(b&0x7F) << shift
if b < 0x80 {
break
}
}
intStringLen := int(stringLen)
if intStringLen < 0 {
return ErrInvalidLengthRunhcs
}
postIndex := iNdEx + intStringLen
if postIndex < 0 {
return ErrInvalidLengthRunhcs
}
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.GPUVHDPath = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
default:
iNdEx = preIndex
skippy, err := skipRunhcs(dAtA[iNdEx:])

4
vendor/github.com/Microsoft/hcsshim/cmd/containerd-shim-runhcs-v1/options/runhcs.proto generated vendored
View File

@ -59,6 +59,10 @@ message Options {
//
// The platform default is 1024MB if omitted.
int32 vm_memory_size_in_mb = 9;
// GPUVHDPath is the path to the gpu vhd to add to the uvm
// when a container requests a gpu
string GPUVHDPath = 10;
}
// ProcessDetails contains additional information about a process. This is the additional

28
vendor/github.com/Microsoft/hcsshim/go.mod generated vendored
View File

@ -4,34 +4,32 @@ go 1.13
require (
github.com/Microsoft/go-winio v0.4.15-0.20190919025122-fc70bd9a86b5
github.com/blang/semver v3.1.0+incompatible // indirect
github.com/containerd/cgroups v0.0.0-20190919134610-bf292b21730f
github.com/containerd/console v0.0.0-20180822173158-c12b1e7919c1
github.com/containerd/containerd v1.3.0-beta.2.0.20190828155532-0293cbd26c69
github.com/containerd/containerd v1.3.2
github.com/containerd/continuity v0.0.0-20190426062206-aaeac12a7ffc // indirect
github.com/containerd/fifo v0.0.0-20190226154929-a9fb20d87448 // indirect
github.com/containerd/go-runc v0.0.0-20180907222934-5a6d9f37cfa3
github.com/containerd/ttrpc v0.0.0-20190828154514-0e0f228740de
github.com/containerd/typeurl v0.0.0-20180627222232-a93fcdb778cd
github.com/gogo/protobuf v1.2.1
github.com/hashicorp/errwrap v0.0.0-20141028054710-7554cd9344ce // indirect
github.com/hashicorp/go-multierror v0.0.0-20161216184304-ed905158d874 // indirect
github.com/gogo/protobuf v1.3.1
github.com/golang/protobuf v1.3.2 // indirect
github.com/kr/pretty v0.1.0 // indirect
github.com/opencontainers/go-digest v0.0.0-20180430190053-c9281466c8b2 // indirect
github.com/opencontainers/runc v0.0.0-20190115041553-12f6a991201f // indirect
github.com/opencontainers/runtime-spec v0.1.2-0.20190507144316-5b71a03e2700
github.com/opencontainers/runtime-tools v0.0.0-20181011054405-1d69bd0f9c39
github.com/pkg/errors v0.8.1
github.com/prometheus/procfs v0.0.5 // indirect
github.com/sirupsen/logrus v1.4.1
github.com/syndtr/gocapability v0.0.0-20170704070218-db04d3cc01c8 // indirect
github.com/prometheus/procfs v0.0.0-20180125133057-cb4147076ac7 // indirect
github.com/sirupsen/logrus v1.4.2
github.com/stretchr/testify v1.4.0 // indirect
github.com/urfave/cli v0.0.0-20171014202726-7bc6a0acffa5
github.com/xeipuuv/gojsonpointer v0.0.0-20180127040702-4e3ac2762d5f // indirect
github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
github.com/xeipuuv/gojsonschema v0.0.0-20180618132009-1d523034197f // indirect
go.opencensus.io v0.22.0
golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6
golang.org/x/net v0.0.0-20191004110552-13f9640d40b9 // indirect
golang.org/x/sync v0.0.0-20190423024810-112230192c58
golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3
google.golang.org/grpc v1.20.1
google.golang.org/genproto v0.0.0-20190502173448-54afdca5d873 // indirect
google.golang.org/grpc v1.23.1
gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
gopkg.in/yaml.v2 v2.2.8 // indirect
gotest.tools v2.2.0+incompatible // indirect
k8s.io/kubernetes v1.13.0
)

19
vendor/github.com/Microsoft/hcsshim/hcn/hcn.go generated vendored
View File

@ -55,6 +55,15 @@ import (
//sys hcnDeleteLoadBalancer(id *_guid, result **uint16) (hr error) = computenetwork.HcnDeleteLoadBalancer?
//sys hcnCloseLoadBalancer(loadBalancer hcnLoadBalancer) (hr error) = computenetwork.HcnCloseLoadBalancer?
// SDN Routes
//sys hcnEnumerateRoutes(query string, routes **uint16, result **uint16) (hr error) = computenetwork.HcnEnumerateSdnRoutes?
//sys hcnCreateRoute(id *_guid, settings string, route *hcnRoute, result **uint16) (hr error) = computenetwork.HcnCreateSdnRoute?
//sys hcnOpenRoute(id *_guid, route *hcnRoute, result **uint16) (hr error) = computenetwork.HcnOpenSdnRoute?
//sys hcnModifyRoute(route hcnRoute, settings string, result **uint16) (hr error) = computenetwork.HcnModifySdnRoute?
//sys hcnQueryRouteProperties(route hcnRoute, query string, properties **uint16, result **uint16) (hr error) = computenetwork.HcnQuerySdnRouteProperties?
//sys hcnDeleteRoute(id *_guid, result **uint16) (hr error) = computenetwork.HcnDeleteSdnRoute?
//sys hcnCloseRoute(route hcnRoute) (hr error) = computenetwork.HcnCloseSdnRoute?
// Service
//sys hcnOpenService(service *hcnService, result **uint16) (hr error) = computenetwork.HcnOpenService?
//sys hcnRegisterServiceCallback(service hcnService, callback int32, context int32, callbackHandle *hcnCallbackHandle) (hr error) = computenetwork.HcnRegisterServiceCallback?
@ -67,6 +76,7 @@ type hcnNetwork syscall.Handle
type hcnEndpoint syscall.Handle
type hcnNamespace syscall.Handle
type hcnLoadBalancer syscall.Handle
type hcnRoute syscall.Handle
type hcnService syscall.Handle
type hcnCallbackHandle syscall.Handle
@ -188,6 +198,15 @@ func SessionAffinitySupported() error {
return platformDoesNotSupportError("Session Affinity")
}
// IPv6DualStackSupported returns an error if the HCN version does not support IPv6DualStack.
func IPv6DualStackSupported() error {
supported := GetSupportedFeatures()
if supported.IPv6DualStack {
return nil
}
return platformDoesNotSupportError("IPv6 DualStack")
}
// RequestType are the different operations performed to settings.
// Used to update the settings of Endpoint/Namespace objects.
type RequestType string

12
vendor/github.com/Microsoft/hcsshim/hcn/hcnerrors.go generated vendored
View File

@ -17,6 +17,7 @@ var (
errInvalidEndpointID = errors.New("invalid endpoint ID")
errInvalidNamespaceID = errors.New("invalid namespace ID")
errInvalidLoadBalancerID = errors.New("invalid load balancer ID")
errInvalidRouteID = errors.New("invalid route ID")
)
func checkForErrors(methodName string, hr error, resultBuffer *uint16) error {
@ -133,6 +134,15 @@ func (e LoadBalancerNotFoundError) Error() string {
return fmt.Sprintf("LoadBalancer %q not found", e.LoadBalancerId)
}
// RouteNotFoundError results from a failed seach for a route by Id
type RouteNotFoundError struct {
RouteId string
}
func (e RouteNotFoundError) Error() string {
return fmt.Sprintf("SDN Route %q not found", e.RouteId)
}
// IsNotFoundError returns a boolean indicating whether the error was caused by
// a resource not being found.
func IsNotFoundError(err error) bool {
@ -145,6 +155,8 @@ func IsNotFoundError(err error) bool {
return true
case LoadBalancerNotFoundError:
return true
case RouteNotFoundError:
return true
case *hcserror.HcsError:
return pe.Err == hcs.ErrElementNotFound
}

9
vendor/github.com/Microsoft/hcsshim/hcn/hcnglobals.go generated vendored
View File

@ -49,8 +49,13 @@ var (
VersionRange{MinVersion: Version{Major: 9, Minor: 3}, MaxVersion: Version{Major: 9, Minor: math.MaxInt32}},
VersionRange{MinVersion: Version{Major: 10, Minor: 4}, MaxVersion: Version{Major: math.MaxInt32, Minor: math.MaxInt32}},
}
// HNS 11.10 allows for session affinity for loadbalancing
SessionAffinityVersion = VersionRanges{VersionRange{MinVersion: Version{Major: 11, Minor: 10}, MaxVersion: Version{Major: math.MaxInt32, Minor: math.MaxInt32}}}
// HNS 12.0 allows for session affinity for loadbalancing
SessionAffinityVersion = VersionRanges{VersionRange{MinVersion: Version{Major: 12, Minor: 0}, MaxVersion: Version{Major: math.MaxInt32, Minor: math.MaxInt32}}}
// HNS 10.5 through 11 (not included) and 12.0+ supports Ipv6 dual stack.
IPv6DualStackVersion = VersionRanges{
VersionRange{MinVersion: Version{Major: 10, Minor: 5}, MaxVersion: Version{Major: 10, Minor: math.MaxInt32}},
VersionRange{MinVersion: Version{Major: 12, Minor: 0}, MaxVersion: Version{Major: math.MaxInt32, Minor: math.MaxInt32}},
}
)
// GetGlobals returns the global properties of the HCN Service.

266
vendor/github.com/Microsoft/hcsshim/hcn/hcnroute.go generated vendored Normal file
View File

@ -0,0 +1,266 @@
package hcn
import (
"encoding/json"
"errors"
"github.com/Microsoft/go-winio/pkg/guid"
"github.com/Microsoft/hcsshim/internal/interop"
"github.com/sirupsen/logrus"
)
// HostComputeRoute represents SDN routes.
type HostComputeRoute struct {
ID string `json:"ID,omitempty"`
HostComputeEndpoints []string `json:",omitempty"`
Setting []SDNRoutePolicySetting `json:",omitempty"`
SchemaVersion SchemaVersion `json:",omitempty"`
}
// ListRoutes makes a call to list all available routes.
func ListRoutes() ([]HostComputeRoute, error) {
hcnQuery := defaultQuery()
routes, err := ListRoutesQuery(hcnQuery)
if err != nil {
return nil, err
}
return routes, nil
}
// ListRoutesQuery makes a call to query the list of available routes.
func ListRoutesQuery(query HostComputeQuery) ([]HostComputeRoute, error) {
queryJSON, err := json.Marshal(query)
if err != nil {
return nil, err
}
routes, err := enumerateRoutes(string(queryJSON))
if err != nil {
return nil, err
}
return routes, nil
}
// GetRouteByID returns the route specified by Id.
func GetRouteByID(routeID string) (*HostComputeRoute, error) {
hcnQuery := defaultQuery()
mapA := map[string]string{"ID": routeID}
filter, err := json.Marshal(mapA)
if err != nil {
return nil, err
}
hcnQuery.Filter = string(filter)
routes, err := ListRoutesQuery(hcnQuery)
if err != nil {
return nil, err
}
if len(routes) == 0 {
return nil, RouteNotFoundError{RouteId: routeID}
}
return &routes[0], err
}
// Create Route.
func (route *HostComputeRoute) Create() (*HostComputeRoute, error) {
logrus.Debugf("hcn::HostComputeRoute::Create id=%s", route.ID)
jsonString, err := json.Marshal(route)
if err != nil {
return nil, err
}
logrus.Debugf("hcn::HostComputeRoute::Create JSON: %s", jsonString)
route, hcnErr := createRoute(string(jsonString))
if hcnErr != nil {
return nil, hcnErr
}
return route, nil
}
// Delete Route.
func (route *HostComputeRoute) Delete() error {
logrus.Debugf("hcn::HostComputeRoute::Delete id=%s", route.ID)
existingRoute, _ := GetRouteByID(route.ID)
if existingRoute != nil {
if err := deleteRoute(route.ID); err != nil {
return err
}
}
return nil
}
// AddEndpoint add an endpoint to a route
// Since HCNRoute doesn't implement modify functionality, add operation is essentially delete and add
func (route *HostComputeRoute) AddEndpoint(endpoint *HostComputeEndpoint) (*HostComputeRoute, error) {
logrus.Debugf("hcn::HostComputeRoute::AddEndpoint route=%s endpoint=%s", route.ID, endpoint.Id)
err := route.Delete()
if err != nil {
return nil, err
}
// Add Endpoint to the Existing List
route.HostComputeEndpoints = append(route.HostComputeEndpoints, endpoint.Id)
return route.Create()
}
// RemoveEndpoint removes an endpoint from a route
// Since HCNRoute doesn't implement modify functionality, remove operation is essentially delete and add
func (route *HostComputeRoute) RemoveEndpoint(endpoint *HostComputeEndpoint) (*HostComputeRoute, error) {
logrus.Debugf("hcn::HostComputeRoute::RemoveEndpoint route=%s endpoint=%s", route.ID, endpoint.Id)
err := route.Delete()
if err != nil {
return nil, err
}
// Create a list of all the endpoints besides the one being removed
i := 0
for index, endpointReference := range route.HostComputeEndpoints {
if endpointReference == endpoint.Id {
i = index
break
}
}
route.HostComputeEndpoints = append(route.HostComputeEndpoints[0:i], route.HostComputeEndpoints[i+1:]...)
return route.Create()
}
// AddRoute for the specified endpoints and SDN Route setting
func AddRoute(endpoints []HostComputeEndpoint, destinationPrefix string, nextHop string, needEncapsulation bool) (*HostComputeRoute, error) {
logrus.Debugf("hcn::HostComputeRoute::AddRoute endpointId=%v, destinationPrefix=%v, nextHop=%v, needEncapsulation=%v", endpoints, destinationPrefix, nextHop, needEncapsulation)
if len(endpoints) <= 0 {
return nil, errors.New("Missing endpoints")
}
route := &HostComputeRoute{
SchemaVersion: V2SchemaVersion(),
Setting: []SDNRoutePolicySetting{
{
DestinationPrefix: destinationPrefix,
NextHop: nextHop,
NeedEncap: needEncapsulation,
},
},
}
for _, endpoint := range endpoints {
route.HostComputeEndpoints = append(route.HostComputeEndpoints, endpoint.Id)
}
return route.Create()
}
func enumerateRoutes(query string) ([]HostComputeRoute, error) {
// Enumerate all routes Guids
var (
resultBuffer *uint16
routeBuffer *uint16
)
hr := hcnEnumerateRoutes(query, &routeBuffer, &resultBuffer)
if err := checkForErrors("hcnEnumerateRoutes", hr, resultBuffer); err != nil {
return nil, err
}
routes := interop.ConvertAndFreeCoTaskMemString(routeBuffer)
var routeIds []guid.GUID
if err := json.Unmarshal([]byte(routes), &routeIds); err != nil {
return nil, err
}
var outputRoutes []HostComputeRoute
for _, routeGUID := range routeIds {
route, err := getRoute(routeGUID, query)
if err != nil {
return nil, err
}
outputRoutes = append(outputRoutes, *route)
}
return outputRoutes, nil
}
func getRoute(routeGUID guid.GUID, query string) (*HostComputeRoute, error) {
// Open routes.
var (
routeHandle hcnRoute
resultBuffer *uint16
propertiesBuffer *uint16
)
hr := hcnOpenRoute(&routeGUID, &routeHandle, &resultBuffer)
if err := checkForErrors("hcnOpenRoute", hr, resultBuffer); err != nil {
return nil, err
}
// Query routes.
hr = hcnQueryRouteProperties(routeHandle, query, &propertiesBuffer, &resultBuffer)
if err := checkForErrors("hcnQueryRouteProperties", hr, resultBuffer); err != nil {
return nil, err
}
properties := interop.ConvertAndFreeCoTaskMemString(propertiesBuffer)
// Close routes.
hr = hcnCloseRoute(routeHandle)
if err := checkForErrors("hcnCloseRoute", hr, nil); err != nil {
return nil, err
}
// Convert output to HostComputeRoute
var outputRoute HostComputeRoute
if err := json.Unmarshal([]byte(properties), &outputRoute); err != nil {
return nil, err
}
return &outputRoute, nil
}
func createRoute(settings string) (*HostComputeRoute, error) {
// Create new route.
var (
routeHandle hcnRoute
resultBuffer *uint16
propertiesBuffer *uint16
)
routeGUID := guid.GUID{}
hr := hcnCreateRoute(&routeGUID, settings, &routeHandle, &resultBuffer)
if err := checkForErrors("hcnCreateRoute", hr, resultBuffer); err != nil {
return nil, err
}
// Query route.
hcnQuery := defaultQuery()
query, err := json.Marshal(hcnQuery)
if err != nil {
return nil, err
}
hr = hcnQueryRouteProperties(routeHandle, string(query), &propertiesBuffer, &resultBuffer)
if err := checkForErrors("hcnQueryRouteProperties", hr, resultBuffer); err != nil {
return nil, err
}
properties := interop.ConvertAndFreeCoTaskMemString(propertiesBuffer)
// Close Route.
hr = hcnCloseRoute(routeHandle)
if err := checkForErrors("hcnCloseRoute", hr, nil); err != nil {
return nil, err
}
// Convert output to HostComputeRoute
var outputRoute HostComputeRoute
if err := json.Unmarshal([]byte(properties), &outputRoute); err != nil {
return nil, err
}
return &outputRoute, nil
}
func deleteRoute(routeID string) error {
routeGUID, err := guid.FromString(routeID)
if err != nil {
return errInvalidRouteID
}
var resultBuffer *uint16
hr := hcnDeleteRoute(&routeGUID, &resultBuffer)
if err := checkForErrors("hcnDeleteRoute", hr, resultBuffer); err != nil {
return err
}
return nil
}

2
vendor/github.com/Microsoft/hcsshim/hcn/hcnsupport.go generated vendored
View File

@ -14,6 +14,7 @@ type SupportedFeatures struct {
Slash32EndpointPrefixes bool `json:"Slash32EndpointPrefixes"`
AclSupportForProtocol252 bool `json:"AclSupportForProtocol252"`
SessionAffinity bool `json:"SessionAffinity"`
IPv6DualStack bool `json:"IPv6DualStack"`
}
// AclFeatures are the supported ACL possibilities.
@ -59,6 +60,7 @@ func GetSupportedFeatures() SupportedFeatures {
features.Slash32EndpointPrefixes = isFeatureSupported(globals.Version, Slash32EndpointPrefixesVersion)
features.AclSupportForProtocol252 = isFeatureSupported(globals.Version, AclSupportForProtocol252Version)
features.SessionAffinity = isFeatureSupported(globals.Version, SessionAffinityVersion)
features.IPv6DualStack = isFeatureSupported(globals.Version, IPv6DualStackVersion)
return features
}

141
vendor/github.com/Microsoft/hcsshim/hcn/zsyscall_windows.go generated vendored
View File

@ -71,6 +71,13 @@ var (
procHcnQueryLoadBalancerProperties = modcomputenetwork.NewProc("HcnQueryLoadBalancerProperties")
procHcnDeleteLoadBalancer = modcomputenetwork.NewProc("HcnDeleteLoadBalancer")
procHcnCloseLoadBalancer = modcomputenetwork.NewProc("HcnCloseLoadBalancer")
procHcnEnumerateSdnRoutes = modcomputenetwork.NewProc("HcnEnumerateSdnRoutes")
procHcnCreateSdnRoute = modcomputenetwork.NewProc("HcnCreateSdnRoute")
procHcnOpenSdnRoute = modcomputenetwork.NewProc("HcnOpenSdnRoute")
procHcnModifySdnRoute = modcomputenetwork.NewProc("HcnModifySdnRoute")
procHcnQuerySdnRouteProperties = modcomputenetwork.NewProc("HcnQuerySdnRouteProperties")
procHcnDeleteSdnRoute = modcomputenetwork.NewProc("HcnDeleteSdnRoute")
procHcnCloseSdnRoute = modcomputenetwork.NewProc("HcnCloseSdnRoute")
procHcnOpenService = modcomputenetwork.NewProc("HcnOpenService")
procHcnRegisterServiceCallback = modcomputenetwork.NewProc("HcnRegisterServiceCallback")
procHcnUnregisterServiceCallback = modcomputenetwork.NewProc("HcnUnregisterServiceCallback")
@ -657,6 +664,140 @@ func hcnCloseLoadBalancer(loadBalancer hcnLoadBalancer) (hr error) {
return
}
func hcnEnumerateRoutes(query string, routes **uint16, result **uint16) (hr error) {
var _p0 *uint16
_p0, hr = syscall.UTF16PtrFromString(query)
if hr != nil {
return
}
return _hcnEnumerateRoutes(_p0, routes, result)
}
func _hcnEnumerateRoutes(query *uint16, routes **uint16, result **uint16) (hr error) {
if hr = procHcnEnumerateSdnRoutes.Find(); hr != nil {
return
}
r0, _, _ := syscall.Syscall(procHcnEnumerateSdnRoutes.Addr(), 3, uintptr(unsafe.Pointer(query)), uintptr(unsafe.Pointer(routes)), uintptr(unsafe.Pointer(result)))
if int32(r0) < 0 {
if r0&0x1fff0000 == 0x00070000 {
r0 &= 0xffff
}
hr = syscall.Errno(r0)
}
return
}
func hcnCreateRoute(id *_guid, settings string, route *hcnRoute, result **uint16) (hr error) {
var _p0 *uint16
_p0, hr = syscall.UTF16PtrFromString(settings)
if hr != nil {
return
}
return _hcnCreateRoute(id, _p0, route, result)
}
func _hcnCreateRoute(id *_guid, settings *uint16, route *hcnRoute, result **uint16) (hr error) {
if hr = procHcnCreateSdnRoute.Find(); hr != nil {
return
}
r0, _, _ := syscall.Syscall6(procHcnCreateSdnRoute.Addr(), 4, uintptr(unsafe.Pointer(id)), uintptr(unsafe.Pointer(settings)), uintptr(unsafe.Pointer(route)), uintptr(unsafe.Pointer(result)), 0, 0)
if int32(r0) < 0 {
if r0&0x1fff0000 == 0x00070000 {
r0 &= 0xffff
}
hr = syscall.Errno(r0)
}
return
}
func hcnOpenRoute(id *_guid, route *hcnRoute, result **uint16) (hr error) {
if hr = procHcnOpenSdnRoute.Find(); hr != nil {
return
}
r0, _, _ := syscall.Syscall(procHcnOpenSdnRoute.Addr(), 3, uintptr(unsafe.Pointer(id)), uintptr(unsafe.Pointer(route)), uintptr(unsafe.Pointer(result)))
if int32(r0) < 0 {
if r0&0x1fff0000 == 0x00070000 {
r0 &= 0xffff
}
hr = syscall.Errno(r0)
}
return
}
func hcnModifyRoute(route hcnRoute, settings string, result **uint16) (hr error) {
var _p0 *uint16
_p0, hr = syscall.UTF16PtrFromString(settings)
if hr != nil {
return
}
return _hcnModifyRoute(route, _p0, result)
}
func _hcnModifyRoute(route hcnRoute, settings *uint16, result **uint16) (hr error) {
if hr = procHcnModifySdnRoute.Find(); hr != nil {
return
}
r0, _, _ := syscall.Syscall(procHcnModifySdnRoute.Addr(), 3, uintptr(route), uintptr(unsafe.Pointer(settings)), uintptr(unsafe.Pointer(result)))
if int32(r0) < 0 {
if r0&0x1fff0000 == 0x00070000 {
r0 &= 0xffff
}
hr = syscall.Errno(r0)
}
return
}
func hcnQueryRouteProperties(route hcnRoute, query string, properties **uint16, result **uint16) (hr error) {
var _p0 *uint16
_p0, hr = syscall.UTF16PtrFromString(query)
if hr != nil {
return
}
return _hcnQueryRouteProperties(route, _p0, properties, result)
}
func _hcnQueryRouteProperties(route hcnRoute, query *uint16, properties **uint16, result **uint16) (hr error) {
if hr = procHcnQuerySdnRouteProperties.Find(); hr != nil {
return
}
r0, _, _ := syscall.Syscall6(procHcnQuerySdnRouteProperties.Addr(), 4, uintptr(route), uintptr(unsafe.Pointer(query)), uintptr(unsafe.Pointer(properties)), uintptr(unsafe.Pointer(result)), 0, 0)
if int32(r0) < 0 {
if r0&0x1fff0000 == 0x00070000 {
r0 &= 0xffff
}
hr = syscall.Errno(r0)
}
return
}
func hcnDeleteRoute(id *_guid, result **uint16) (hr error) {
if hr = procHcnDeleteSdnRoute.Find(); hr != nil {
return
}
r0, _, _ := syscall.Syscall(procHcnDeleteSdnRoute.Addr(), 2, uintptr(unsafe.Pointer(id)), uintptr(unsafe.Pointer(result)), 0)
if int32(r0) < 0 {
if r0&0x1fff0000 == 0x00070000 {
r0 &= 0xffff
}
hr = syscall.Errno(r0)
}
return
}
func hcnCloseRoute(route hcnRoute) (hr error) {
if hr = procHcnCloseSdnRoute.Find(); hr != nil {
return
}
r0, _, _ := syscall.Syscall(procHcnCloseSdnRoute.Addr(), 1, uintptr(route), 0, 0)
if int32(r0) < 0 {
if r0&0x1fff0000 == 0x00070000 {
r0 &= 0xffff
}
hr = syscall.Errno(r0)
}
return
}
func hcnOpenService(service *hcnService, result **uint16) (hr error) {
if hr = procHcnOpenService.Find(); hr != nil {
return

3
vendor/github.com/Microsoft/hcsshim/hnspolicy.go generated vendored
View File

@ -21,8 +21,11 @@ const (
OutboundNat = hns.OutboundNat
ExternalLoadBalancer = hns.ExternalLoadBalancer
Route = hns.Route
Proxy = hns.Proxy
)
type ProxyPolicy = hns.ProxyPolicy
type NatPolicy = hns.NatPolicy
type QosPolicy = hns.QosPolicy

5
vendor/github.com/Microsoft/hcsshim/internal/hcs/syscall.go generated vendored Normal file
View File

@ -0,0 +1,5 @@
package hcs
//go:generate go run ../../mksyscall_windows.go -output zsyscall_windows.go syscall.go
//sys hcsFormatWritableLayerVhd(handle uintptr) (hr error) = computestorage.HcsFormatWritableLayerVhd

28
vendor/github.com/Microsoft/hcsshim/internal/hcs/utils.go generated vendored
View File

@ -1,10 +1,14 @@
package hcs
import (
"context"
"io"
"syscall"
"github.com/Microsoft/go-winio"
diskutil "github.com/Microsoft/go-winio/vhd"
"github.com/pkg/errors"
"golang.org/x/sys/windows"
)
// makeOpenFiles calls winio.MakeOpenFile for each handle in a slice but closes all the handles
@ -31,3 +35,27 @@ func makeOpenFiles(hs []syscall.Handle) (_ []io.ReadWriteCloser, err error) {
}
return fs, nil
}
// creates a VHD formatted with NTFS of size `sizeGB` at the given `vhdPath`.
func CreateNTFSVHD(ctx context.Context, vhdPath string, sizeGB uint32) (err error) {
if err := diskutil.CreateVhdx(vhdPath, sizeGB, 1); err != nil {
return errors.Wrap(err, "failed to create VHD")
}
vhd, err := diskutil.OpenVirtualDisk(vhdPath, diskutil.VirtualDiskAccessNone, diskutil.OpenVirtualDiskFlagNone)
if err != nil {
return errors.Wrap(err, "failed to open VHD")
}
defer func() {
err2 := windows.CloseHandle(windows.Handle(vhd))
if err == nil {
err = errors.Wrap(err2, "failed to close VHD")
}
}()
if err := hcsFormatWritableLayerVhd(uintptr(vhd)); err != nil {
return errors.Wrap(err, "failed to format VHD")
}
return nil
}

54
vendor/github.com/Microsoft/hcsshim/internal/hcs/zsyscall_windows.go generated vendored Normal file
View File

@ -0,0 +1,54 @@
// Code generated mksyscall_windows.exe DO NOT EDIT
package hcs
import (
"syscall"
"unsafe"
"golang.org/x/sys/windows"
)
var _ unsafe.Pointer
// Do the interface allocations only once for common
// Errno values.
const (
errnoERROR_IO_PENDING = 997
)
var (
errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
)
// errnoErr returns common boxed Errno values, to prevent
// allocations at runtime.
func errnoErr(e syscall.Errno) error {
switch e {
case 0:
return nil
case errnoERROR_IO_PENDING:
return errERROR_IO_PENDING
}
// TODO: add more here, after collecting data on the common
// error values see on Windows. (perhaps when running
// all.bat?)
return e
}
var (
modcomputestorage = windows.NewLazySystemDLL("computestorage.dll")
procHcsFormatWritableLayerVhd = modcomputestorage.NewProc("HcsFormatWritableLayerVhd")
)
func hcsFormatWritableLayerVhd(handle uintptr) (hr error) {
r0, _, _ := syscall.Syscall(procHcsFormatWritableLayerVhd.Addr(), 1, uintptr(handle), 0, 0)
if int32(r0) < 0 {
if r0&0x1fff0000 == 0x00070000 {
r0 &= 0xffff
}
hr = syscall.Errno(r0)
}
return
}

21
vendor/github.com/Microsoft/hcsshim/internal/hns/hnsendpoint.go generated vendored
View File

@ -173,6 +173,27 @@ func (endpoint *HNSEndpoint) ApplyACLPolicy(policies ...*ACLPolicy) error {
return err
}
// ApplyProxyPolicy applies a set of Proxy Policies on the Endpoint
func (endpoint *HNSEndpoint) ApplyProxyPolicy(policies ...*ProxyPolicy) error {
operation := "ApplyProxyPolicy"
title := "hcsshim::HNSEndpoint::" + operation
logrus.Debugf(title+" id=%s", endpoint.Id)
for _, policy := range policies {
if policy == nil {
continue
}
jsonString, err := json.Marshal(policy)
if err != nil {
return err
}
endpoint.Policies = append(endpoint.Policies, jsonString)
}
_, err := endpoint.Update()
return err
}
// ContainerAttach attaches an endpoint to container
func (endpoint *HNSEndpoint) ContainerAttach(containerID string, compartmentID uint16) error {
operation := "ContainerAttach"

10
vendor/github.com/Microsoft/hcsshim/internal/hns/hnspolicy.go generated vendored
View File

@ -17,6 +17,7 @@ const (
OutboundNat PolicyType = "OutBoundNAT"
ExternalLoadBalancer PolicyType = "ELB"
Route PolicyType = "ROUTE"
Proxy PolicyType = "PROXY"
)
type NatPolicy struct {
@ -60,6 +61,15 @@ type OutboundNatPolicy struct {
Destinations []string `json:",omitempty"`
}
type ProxyPolicy struct {
Type PolicyType `json:"Type"`
IP string `json:",omitempty"`
Port string `json:",omitempty"`
ExceptionList []string `json:",omitempty"`
Destination string `json:",omitempty"`
OutboundNat bool `json:",omitempty"`
}
type ActionType string
type DirectionType string
type RuleType string

4
vendor/github.com/Microsoft/hcsshim/internal/schema2/devices.go generated vendored
View File

@ -39,4 +39,8 @@ type Devices struct {
FlexibleIov map[string]FlexibleIoDevice `json:"FlexibleIov,omitempty"`
SharedMemory *SharedMemoryConfiguration `json:"SharedMemory,omitempty"`
// TODO: This is pre-release support in schema 2.3. Need to add build number
// docs when a public build with this is out.
VirtualPci map[string]VirtualPciDevice `json:",omitempty"`
}

19
vendor/github.com/Microsoft/hcsshim/internal/schema2/memory_2.go generated vendored
View File

@ -27,4 +27,23 @@ type Memory2 struct {
// to the VM, allowing it to trim non-zeroed pages from the working set (if supported by
// the guest operating system).
EnableColdDiscardHint bool `json:"EnableColdDiscardHint,omitempty"`
// LowMmioGapInMB is the low MMIO region allocated below 4GB.
//
// TODO: This is pre-release support in schema 2.3. Need to add build number
// docs when a public build with this is out.
LowMMIOGapInMB uint64 `json:"LowMmioGapInMB,omitempty"`
// HighMmioBaseInMB is the high MMIO region allocated above 4GB (base and
// size).
//
// TODO: This is pre-release support in schema 2.3. Need to add build number
// docs when a public build with this is out.
HighMMIOBaseInMB uint64 `json:"HighMmioBaseInMB,omitempty"`
// HighMmioGapInMB is the high MMIO region.
//
// TODO: This is pre-release support in schema 2.3. Need to add build number
// docs when a public build with this is out.
HighMMIOGapInMB uint64 `json:"HighMmioGapInMB,omitempty"`
}

16
vendor/github.com/Microsoft/hcsshim/internal/schema2/virtual_pci_device.go generated vendored Normal file
View File

@ -0,0 +1,16 @@
/*
* HCS API
*
* No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
*
* API version: 2.3
* Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
*/
package hcsschema
// TODO: This is pre-release support in schema 2.3. Need to add build number
// docs when a public build with this is out.
type VirtualPciDevice struct {
Functions []VirtualPciFunction `json:",omitempty"`
}

18
vendor/github.com/Microsoft/hcsshim/internal/schema2/virtual_pci_function.go generated vendored Normal file
View File

@ -0,0 +1,18 @@
/*
* HCS API
*
* No description provided (generated by Swagger Codegen https://github.com/swagger-api/swagger-codegen)
*
* API version: 2.3
* Generated by: Swagger Codegen (https://github.com/swagger-api/swagger-codegen.git)
*/
package hcsschema
// TODO: This is pre-release support in schema 2.3. Need to add build number
// docs when a public build with this is out.
type VirtualPciFunction struct {
DeviceInstancePath string `json:",omitempty"`
VirtualFunction uint16 `json:",omitempty"`
}

23
vendor/github.com/Microsoft/hcsshim/internal/wclayer/activatelayer.go generated vendored
View File

@ -1,28 +1,23 @@
package wclayer
import (
"context"
"github.com/Microsoft/hcsshim/internal/hcserror"
"github.com/sirupsen/logrus"
"github.com/Microsoft/hcsshim/internal/oc"
"go.opencensus.io/trace"
)
// ActivateLayer will find the layer with the given id and mount it's filesystem.
// For a read/write layer, the mounted filesystem will appear as a volume on the
// host, while a read-only layer is generally expected to be a no-op.
// An activated layer must later be deactivated via DeactivateLayer.
func ActivateLayer(path string) (err error) {
func ActivateLayer(ctx context.Context, path string) (err error) {
title := "hcsshim::ActivateLayer"
fields := logrus.Fields{
"path": path,
}
logrus.WithFields(fields).Debug(title)
defer func() {
if err != nil {
fields[logrus.ErrorKey] = err
logrus.WithFields(fields).Error(err)
} else {
logrus.WithFields(fields).Debug(title + " - succeeded")
}
}()
ctx, span := trace.StartSpan(ctx, title)
defer span.End()
defer func() { oc.SetSpanStatus(span, err) }()
span.AddAttributes(trace.StringAttribute("path", path))
err = activateLayer(&stdDriverInfo, path)
if err != nil {

17
vendor/github.com/Microsoft/hcsshim/internal/wclayer/baselayer.go generated vendored
View File

@ -1,6 +1,7 @@
package wclayer
import (
"context"
"errors"
"os"
"path/filepath"
@ -8,10 +9,15 @@ import (
"github.com/Microsoft/go-winio"
"github.com/Microsoft/hcsshim/internal/hcserror"
"github.com/Microsoft/hcsshim/internal/oc"
"github.com/Microsoft/hcsshim/internal/safefile"
"go.opencensus.io/trace"
)
type baseLayerWriter struct {
ctx context.Context
s *trace.Span
root *os.File
f *os.File
bw *winio.BackupFileWriter
@ -136,12 +142,15 @@ func (w *baseLayerWriter) Write(b []byte) (int, error) {
return n, err
}
func (w *baseLayerWriter) Close() error {
func (w *baseLayerWriter) Close() (err error) {
defer w.s.End()
defer func() { oc.SetSpanStatus(w.s, err) }()
defer func() {
w.root.Close()
w.root = nil
}()
err := w.closeCurrentFile()
err = w.closeCurrentFile()
if err != nil {
return err
}
@ -153,7 +162,7 @@ func (w *baseLayerWriter) Close() error {
return err
}
err = ProcessBaseLayer(w.root.Name())
err = ProcessBaseLayer(w.ctx, w.root.Name())
if err != nil {
return err
}
@ -163,7 +172,7 @@ func (w *baseLayerWriter) Close() error {
if err != nil {
return err
}
err = ProcessUtilityVMImage(filepath.Join(w.root.Name(), "UtilityVM"))
err = ProcessUtilityVMImage(w.ctx, filepath.Join(w.root.Name(), "UtilityVM"))
if err != nil {
return err
}

26
vendor/github.com/Microsoft/hcsshim/internal/wclayer/createlayer.go generated vendored
View File

@ -1,27 +1,23 @@
package wclayer
import (
"context"
"github.com/Microsoft/hcsshim/internal/hcserror"
"github.com/sirupsen/logrus"
"github.com/Microsoft/hcsshim/internal/oc"
"go.opencensus.io/trace"
)
// CreateLayer creates a new, empty, read-only layer on the filesystem based on
// the parent layer provided.
func CreateLayer(path, parent string) (err error) {
func CreateLayer(ctx context.Context, path, parent string) (err error) {
title := "hcsshim::CreateLayer"
fields := logrus.Fields{
"parent": parent,
"path": path,
}
logrus.WithFields(fields).Debug(title)
defer func() {
if err != nil {
fields[logrus.ErrorKey] = err
logrus.WithFields(fields).Error(err)
} else {
logrus.WithFields(fields).Debug(title + " - succeeded")
}
}()
ctx, span := trace.StartSpan(ctx, title)
defer span.End()
defer func() { oc.SetSpanStatus(span, err) }()
span.AddAttributes(
trace.StringAttribute("path", path),
trace.StringAttribute("parent", parent))
err = createLayer(&stdDriverInfo, path, parent)
if err != nil {

28
vendor/github.com/Microsoft/hcsshim/internal/wclayer/createscratchlayer.go generated vendored
View File

@ -1,31 +1,29 @@
package wclayer
import (
"context"
"strings"
"github.com/Microsoft/hcsshim/internal/hcserror"
"github.com/sirupsen/logrus"
"github.com/Microsoft/hcsshim/internal/oc"
"go.opencensus.io/trace"
)
// CreateScratchLayer creates and populates new read-write layer for use by a container.
// This requires both the id of the direct parent layer, as well as the full list
// of paths to all parent layers up to the base (and including the direct parent
// whose id was provided).
func CreateScratchLayer(path string, parentLayerPaths []string) (err error) {
func CreateScratchLayer(ctx context.Context, path string, parentLayerPaths []string) (err error) {
title := "hcsshim::CreateScratchLayer"
fields := logrus.Fields{
"path": path,
}
logrus.WithFields(fields).Debug(title)
defer func() {
if err != nil {
fields[logrus.ErrorKey] = err
logrus.WithFields(fields).Error(err)
} else {
logrus.WithFields(fields).Debug(title + " - succeeded")
}
}()
ctx, span := trace.StartSpan(ctx, title)
defer span.End()
defer func() { oc.SetSpanStatus(span, err) }()
span.AddAttributes(
trace.StringAttribute("path", path),
trace.StringAttribute("parentLayerPaths", strings.Join(parentLayerPaths, ", ")))
// Generate layer descriptors
layers, err := layerPathsToDescriptors(parentLayerPaths)
layers, err := layerPathsToDescriptors(ctx, parentLayerPaths)
if err != nil {
return err
}

23
vendor/github.com/Microsoft/hcsshim/internal/wclayer/deactivatelayer.go generated vendored
View File

@ -1,25 +1,20 @@
package wclayer
import (
"context"
"github.com/Microsoft/hcsshim/internal/hcserror"
"github.com/sirupsen/logrus"
"github.com/Microsoft/hcsshim/internal/oc"
"go.opencensus.io/trace"
)
// DeactivateLayer will dismount a layer that was mounted via ActivateLayer.
func DeactivateLayer(path string) (err error) {
func DeactivateLayer(ctx context.Context, path string) (err error) {
title := "hcsshim::DeactivateLayer"
fields := logrus.Fields{
"path": path,
}
logrus.WithFields(fields).Debug(title)
defer func() {
if err != nil {
fields[logrus.ErrorKey] = err
logrus.WithFields(fields).Error(err)
} else {
logrus.WithFields(fields).Debug(title + " - succeeded")
}
}()
ctx, span := trace.StartSpan(ctx, title)
defer span.End()
defer func() { oc.SetSpanStatus(span, err) }()
span.AddAttributes(trace.StringAttribute("path", path))
err = deactivateLayer(&stdDriverInfo, path)
if err != nil {

23
vendor/github.com/Microsoft/hcsshim/internal/wclayer/destroylayer.go generated vendored
View File

@ -1,26 +1,21 @@
package wclayer
import (
"context"
"github.com/Microsoft/hcsshim/internal/hcserror"
"github.com/sirupsen/logrus"
"github.com/Microsoft/hcsshim/internal/oc"
"go.opencensus.io/trace"
)
// DestroyLayer will remove the on-disk files representing the layer with the given
// path, including that layer's containing folder, if any.
func DestroyLayer(path string) (err error) {
func DestroyLayer(ctx context.Context, path string) (err error) {
title := "hcsshim::DestroyLayer"
fields := logrus.Fields{
"path": path,
}
logrus.WithFields(fields).Debug(title)
defer func() {
if err != nil {
fields[logrus.ErrorKey] = err
logrus.WithFields(fields).Error(err)
} else {
logrus.WithFields(fields).Debug(title + " - succeeded")
}
}()
ctx, span := trace.StartSpan(ctx, title)
defer span.End()
defer func() { oc.SetSpanStatus(span, err) }()
span.AddAttributes(trace.StringAttribute("path", path))
err = destroyLayer(&stdDriverInfo, path)
if err != nil {

31
vendor/github.com/Microsoft/hcsshim/internal/wclayer/expandscratchsize.go generated vendored
View File

@ -1,32 +1,27 @@
package wclayer
import (
"context"
"os"
"path/filepath"
"syscall"
"unsafe"
"github.com/Microsoft/hcsshim/internal/hcserror"
"github.com/Microsoft/hcsshim/internal/oc"
"github.com/Microsoft/hcsshim/osversion"
"github.com/sirupsen/logrus"
"go.opencensus.io/trace"
)
// ExpandScratchSize expands the size of a layer to at least size bytes.
func ExpandScratchSize(path string, size uint64) (err error) {
func ExpandScratchSize(ctx context.Context, path string, size uint64) (err error) {
title := "hcsshim::ExpandScratchSize"
fields := logrus.Fields{
"path": path,
"size": size,
}
logrus.WithFields(fields).Debug(title)
defer func() {
if err != nil {
fields[logrus.ErrorKey] = err
logrus.WithFields(fields).Error(err)
} else {
logrus.WithFields(fields).Debug(title + " - succeeded")
}
}()
ctx, span := trace.StartSpan(ctx, title)
defer span.End()
defer func() { oc.SetSpanStatus(span, err) }()
span.AddAttributes(
trace.StringAttribute("path", path),
trace.Int64Attribute("size", int64(size)))
err = expandSandboxSize(&stdDriverInfo, path, size)
if err != nil {
@ -36,7 +31,7 @@ func ExpandScratchSize(path string, size uint64) (err error) {
// Manually expand the volume now in order to work around bugs in 19H1 and
// prerelease versions of Vb. Remove once this is fixed in Windows.
if build := osversion.Get().Build; build >= osversion.V19H1 && build < 19020 {
err = expandSandboxVolume(path)
err = expandSandboxVolume(ctx, path)
if err != nil {
return err
}
@ -84,7 +79,7 @@ func attachVhd(path string) (syscall.Handle, error) {
return handle, nil
}
func expandSandboxVolume(path string) error {
func expandSandboxVolume(ctx context.Context, path string) error {
// Mount the sandbox VHD temporarily.
vhdPath := filepath.Join(path, "sandbox.vhdx")
vhd, err := attachVhd(vhdPath)
@ -94,7 +89,7 @@ func expandSandboxVolume(path string) error {
defer syscall.Close(vhd)
// Open the volume.
volumePath, err := GetLayerMountPath(path)
volumePath, err := GetLayerMountPath(ctx, path)
if err != nil {
return err
}

60
vendor/github.com/Microsoft/hcsshim/internal/wclayer/exportlayer.go generated vendored
View File

@ -1,12 +1,15 @@
package wclayer
import (
"context"
"io/ioutil"
"os"
"strings"
"github.com/Microsoft/go-winio"
"github.com/Microsoft/hcsshim/internal/hcserror"
"github.com/sirupsen/logrus"
"github.com/Microsoft/hcsshim/internal/oc"
"go.opencensus.io/trace"
)
// ExportLayer will create a folder at exportFolderPath and fill that folder with
@ -14,24 +17,18 @@ import (
// format includes any metadata required for later importing the layer (using
// ImportLayer), and requires the full list of parent layer paths in order to
// perform the export.
func ExportLayer(path string, exportFolderPath string, parentLayerPaths []string) (err error) {
func ExportLayer(ctx context.Context, path string, exportFolderPath string, parentLayerPaths []string) (err error) {
title := "hcsshim::ExportLayer"
fields := logrus.Fields{
"path": path,
"exportFolderPath": exportFolderPath,
}
logrus.WithFields(fields).Debug(title)
defer func() {
if err != nil {
fields[logrus.ErrorKey] = err
logrus.WithFields(fields).Error(err)
} else {
logrus.WithFields(fields).Debug(title + " - succeeded")
}
}()
ctx, span := trace.StartSpan(ctx, title)
defer span.End()
defer func() { oc.SetSpanStatus(span, err) }()
span.AddAttributes(
trace.StringAttribute("path", path),
trace.StringAttribute("exportFolderPath", exportFolderPath),
trace.StringAttribute("parentLayerPaths", strings.Join(parentLayerPaths, ", ")))
// Generate layer descriptors
layers, err := layerPathsToDescriptors(parentLayerPaths)
layers, err := layerPathsToDescriptors(ctx, parentLayerPaths)
if err != nil {
return err
}
@ -52,25 +49,46 @@ type LayerReader interface {
// NewLayerReader returns a new layer reader for reading the contents of an on-disk layer.
// The caller must have taken the SeBackupPrivilege privilege
// to call this and any methods on the resulting LayerReader.
func NewLayerReader(path string, parentLayerPaths []string) (LayerReader, error) {
func NewLayerReader(ctx context.Context, path string, parentLayerPaths []string) (_ LayerReader, err error) {
ctx, span := trace.StartSpan(ctx, "hcsshim::NewLayerReader")
defer func() {
if err != nil {
oc.SetSpanStatus(span, err)
span.End()
}
}()
span.AddAttributes(
trace.StringAttribute("path", path),
trace.StringAttribute("parentLayerPaths", strings.Join(parentLayerPaths, ", ")))
exportPath, err := ioutil.TempDir("", "hcs")
if err != nil {
return nil, err
}
err = ExportLayer(path, exportPath, parentLayerPaths)
err = ExportLayer(ctx, path, exportPath, parentLayerPaths)
if err != nil {
os.RemoveAll(exportPath)
return nil, err
}
return &legacyLayerReaderWrapper{newLegacyLayerReader(exportPath)}, nil
return &legacyLayerReaderWrapper{
ctx: ctx,
s: span,
legacyLayerReader: newLegacyLayerReader(exportPath),
}, nil
}
type legacyLayerReaderWrapper struct {
ctx context.Context
s *trace.Span
*legacyLayerReader
}
func (r *legacyLayerReaderWrapper) Close() error {
err := r.legacyLayerReader.Close()
func (r *legacyLayerReaderWrapper) Close() (err error) {
defer r.s.End()
defer func() { oc.SetSpanStatus(r.s, err) }()
err = r.legacyLayerReader.Close()
os.RemoveAll(r.root)
return err
}

29
vendor/github.com/Microsoft/hcsshim/internal/wclayer/getlayermountpath.go generated vendored
View File

@ -1,36 +1,31 @@
package wclayer
import (
"context"
"syscall"
"github.com/Microsoft/hcsshim/internal/hcserror"
"github.com/sirupsen/logrus"
"github.com/Microsoft/hcsshim/internal/log"
"github.com/Microsoft/hcsshim/internal/oc"
"go.opencensus.io/trace"
)
// GetLayerMountPath will look for a mounted layer with the given path and return
// the path at which that layer can be accessed. This path may be a volume path
// if the layer is a mounted read-write layer, otherwise it is expected to be the
// folder path at which the layer is stored.
func GetLayerMountPath(path string) (_ string, err error) {
func GetLayerMountPath(ctx context.Context, path string) (_ string, err error) {
title := "hcsshim::GetLayerMountPath"
fields := logrus.Fields{
"path": path,
}
logrus.WithFields(fields).Debug(title)
defer func() {
if err != nil {
fields[logrus.ErrorKey] = err
logrus.WithFields(fields).Error(err)
} else {
logrus.WithFields(fields).Debug(title + " - succeeded")
}
}()
ctx, span := trace.StartSpan(ctx, title)
defer span.End()
defer func() { oc.SetSpanStatus(span, err) }()
span.AddAttributes(trace.StringAttribute("path", path))
var mountPathLength uintptr
mountPathLength = 0
// Call the procedure itself.
logrus.WithFields(fields).Debug("Calling proc (1)")
log.G(ctx).Debug("Calling proc (1)")
err = getLayerMountPath(&stdDriverInfo, path, &mountPathLength, nil)
if err != nil {
return "", hcserror.New(err, title+" - failed", "(first call)")
@ -44,13 +39,13 @@ func GetLayerMountPath(path string) (_ string, err error) {
mountPathp[0] = 0
// Call the procedure again
logrus.WithFields(fields).Debug("Calling proc (2)")
log.G(ctx).Debug("Calling proc (2)")
err = getLayerMountPath(&stdDriverInfo, path, &mountPathLength, &mountPathp[0])
if err != nil {
return "", hcserror.New(err, title+" - failed", "(second call)")
}
mountPath := syscall.UTF16ToString(mountPathp[0:])
fields["mountPath"] = mountPath
span.AddAttributes(trace.StringAttribute("mountPath", mountPath))
return mountPath, nil
}

22
vendor/github.com/Microsoft/hcsshim/internal/wclayer/getsharedbaseimages.go generated vendored
View File

@ -1,29 +1,29 @@
package wclayer
import (
"context"
"github.com/Microsoft/hcsshim/internal/hcserror"
"github.com/Microsoft/hcsshim/internal/interop"
"github.com/sirupsen/logrus"
"github.com/Microsoft/hcsshim/internal/oc"
"go.opencensus.io/trace"
)
// GetSharedBaseImages will enumerate the images stored in the common central
// image store and return descriptive info about those images for the purpose
// of registering them with the graphdriver, graph, and tagstore.
func GetSharedBaseImages() (imageData string, err error) {
func GetSharedBaseImages(ctx context.Context) (_ string, err error) {
title := "hcsshim::GetSharedBaseImages"
logrus.Debug(title)
defer func() {
if err != nil {
logrus.WithError(err).Error(err)
} else {
logrus.WithField("imageData", imageData).Debug(title + " - succeeded")
}
}()
ctx, span := trace.StartSpan(ctx, title)
defer span.End()
defer func() { oc.SetSpanStatus(span, err) }()
var buffer *uint16
err = getBaseImages(&buffer)
if err != nil {
return "", hcserror.New(err, title+" - failed", "")
}
return interop.ConvertAndFreeCoTaskMemString(buffer), nil
imageData := interop.ConvertAndFreeCoTaskMemString(buffer)
span.AddAttributes(trace.StringAttribute("imageData", imageData))
return imageData, nil
}

26
vendor/github.com/Microsoft/hcsshim/internal/wclayer/grantvmaccess.go generated vendored
View File

@ -1,26 +1,22 @@
package wclayer
import (
"context"
"github.com/Microsoft/hcsshim/internal/hcserror"
"github.com/sirupsen/logrus"
"github.com/Microsoft/hcsshim/internal/oc"
"go.opencensus.io/trace"
)
// GrantVmAccess adds access to a file for a given VM
func GrantVmAccess(vmid string, filepath string) (err error) {
func GrantVmAccess(ctx context.Context, vmid string, filepath string) (err error) {
title := "hcsshim::GrantVmAccess"
fields := logrus.Fields{
"vm-id": vmid,
"path": filepath,
}
logrus.WithFields(fields).Debug(title)
defer func() {
if err != nil {
fields[logrus.ErrorKey] = err
logrus.WithFields(fields).Error(err)
} else {
logrus.WithFields(fields).Debug(title + " - succeeded")
}
}()
ctx, span := trace.StartSpan(ctx, title)
defer span.End()
defer func() { oc.SetSpanStatus(span, err) }()
span.AddAttributes(
trace.StringAttribute("vm-id", vmid),
trace.StringAttribute("path", filepath))
err = grantVmAccess(vmid, filepath)
if err != nil {

60
vendor/github.com/Microsoft/hcsshim/internal/wclayer/importlayer.go generated vendored
View File

@ -1,38 +1,35 @@
package wclayer
import (
"context"
"io/ioutil"
"os"
"path/filepath"
"strings"
"github.com/Microsoft/go-winio"
"github.com/Microsoft/hcsshim/internal/hcserror"
"github.com/Microsoft/hcsshim/internal/oc"
"github.com/Microsoft/hcsshim/internal/safefile"
"github.com/sirupsen/logrus"
"go.opencensus.io/trace"
)
// ImportLayer will take the contents of the folder at importFolderPath and import
// that into a layer with the id layerId. Note that in order to correctly populate
// the layer and interperet the transport format, all parent layers must already
// be present on the system at the paths provided in parentLayerPaths.
func ImportLayer(path string, importFolderPath string, parentLayerPaths []string) (err error) {
func ImportLayer(ctx context.Context, path string, importFolderPath string, parentLayerPaths []string) (err error) {
title := "hcsshim::ImportLayer"
fields := logrus.Fields{
"path": path,
"importFolderPath": importFolderPath,
}
logrus.WithFields(fields).Debug(title)
defer func() {
if err != nil {
fields[logrus.ErrorKey] = err
logrus.WithFields(fields).Error(err)
} else {
logrus.WithFields(fields).Debug(title + " - succeeded")
}
}()
ctx, span := trace.StartSpan(ctx, title)
defer span.End()
defer func() { oc.SetSpanStatus(span, err) }()
span.AddAttributes(
trace.StringAttribute("path", path),
trace.StringAttribute("importFolderPath", importFolderPath),
trace.StringAttribute("parentLayerPaths", strings.Join(parentLayerPaths, ", ")))
// Generate layer descriptors
layers, err := layerPathsToDescriptors(parentLayerPaths)
layers, err := layerPathsToDescriptors(ctx, parentLayerPaths)
if err != nil {
return err
}
@ -60,20 +57,26 @@ type LayerWriter interface {
}
type legacyLayerWriterWrapper struct {
ctx context.Context
s *trace.Span
*legacyLayerWriter
path string
parentLayerPaths []string
}
func (r *legacyLayerWriterWrapper) Close() error {
func (r *legacyLayerWriterWrapper) Close() (err error) {
defer r.s.End()
defer func() { oc.SetSpanStatus(r.s, err) }()
defer os.RemoveAll(r.root.Name())
defer r.legacyLayerWriter.CloseRoots()
err := r.legacyLayerWriter.Close()
err = r.legacyLayerWriter.Close()
if err != nil {
return err
}
if err = ImportLayer(r.destRoot.Name(), r.path, r.parentLayerPaths); err != nil {
if err = ImportLayer(r.ctx, r.destRoot.Name(), r.path, r.parentLayerPaths); err != nil {
return err
}
for _, name := range r.Tombstones {
@ -96,7 +99,7 @@ func (r *legacyLayerWriterWrapper) Close() error {
if err != nil {
return err
}
err = ProcessUtilityVMImage(filepath.Join(r.destRoot.Name(), "UtilityVM"))
err = ProcessUtilityVMImage(r.ctx, filepath.Join(r.destRoot.Name(), "UtilityVM"))
if err != nil {
return err
}
@ -107,7 +110,18 @@ func (r *legacyLayerWriterWrapper) Close() error {
// NewLayerWriter returns a new layer writer for creating a layer on disk.
// The caller must have taken the SeBackupPrivilege and SeRestorePrivilege privileges
// to call this and any methods on the resulting LayerWriter.
func NewLayerWriter(path string, parentLayerPaths []string) (LayerWriter, error) {
func NewLayerWriter(ctx context.Context, path string, parentLayerPaths []string) (_ LayerWriter, err error) {
ctx, span := trace.StartSpan(ctx, "hcsshim::NewLayerWriter")
defer func() {
if err != nil {
oc.SetSpanStatus(span, err)
span.End()
}
}()
span.AddAttributes(
trace.StringAttribute("path", path),
trace.StringAttribute("parentLayerPaths", strings.Join(parentLayerPaths, ", ")))
if len(parentLayerPaths) == 0 {
// This is a base layer. It gets imported differently.
f, err := safefile.OpenRoot(path)
@ -115,6 +129,8 @@ func NewLayerWriter(path string, parentLayerPaths []string) (LayerWriter, error)
return nil, err
}
return &baseLayerWriter{
ctx: ctx,
s: span,
root: f,
}, nil
}
@ -128,6 +144,8 @@ func NewLayerWriter(path string, parentLayerPaths []string) (LayerWriter, error)
return nil, err
}
return &legacyLayerWriterWrapper{
ctx: ctx,
s: span,
legacyLayerWriter: w,
path: importPath,
parentLayerPaths: parentLayerPaths,

25
vendor/github.com/Microsoft/hcsshim/internal/wclayer/layerexists.go generated vendored
View File

@ -1,26 +1,21 @@
package wclayer
import (
"context"
"github.com/Microsoft/hcsshim/internal/hcserror"
"github.com/sirupsen/logrus"
"github.com/Microsoft/hcsshim/internal/oc"
"go.opencensus.io/trace"
)
// LayerExists will return true if a layer with the given id exists and is known
// to the system.
func LayerExists(path string) (_ bool, err error) {
func LayerExists(ctx context.Context, path string) (_ bool, err error) {
title := "hcsshim::LayerExists"
fields := logrus.Fields{
"path": path,
}
logrus.WithFields(fields).Debug(title)
defer func() {
if err != nil {
fields[logrus.ErrorKey] = err
logrus.WithFields(fields).Error(err)
} else {
logrus.WithFields(fields).Debug(title + " - succeeded")
}
}()
ctx, span := trace.StartSpan(ctx, title)
defer span.End()
defer func() { oc.SetSpanStatus(span, err) }()
span.AddAttributes(trace.StringAttribute("path", path))
// Call the procedure itself.
var exists uint32
@ -28,6 +23,6 @@ func LayerExists(path string) (_ bool, err error) {
if err != nil {
return false, hcserror.New(err, title+" - failed", "")
}
fields["layer-exists"] = exists != 0
span.AddAttributes(trace.BoolAttribute("layer-exists", exists != 0))
return exists != 0, nil
}

13
vendor/github.com/Microsoft/hcsshim/internal/wclayer/layerid.go generated vendored
View File

@ -1,13 +1,22 @@
package wclayer
import (
"context"
"path/filepath"
"github.com/Microsoft/go-winio/pkg/guid"
"github.com/Microsoft/hcsshim/internal/oc"
"go.opencensus.io/trace"
)
// LayerID returns the layer ID of a layer on disk.
func LayerID(path string) (guid.GUID, error) {
func LayerID(ctx context.Context, path string) (_ guid.GUID, err error) {
title := "hcsshim::LayerID"
ctx, span := trace.StartSpan(ctx, title)
defer span.End()
defer func() { oc.SetSpanStatus(span, err) }()
span.AddAttributes(trace.StringAttribute("path", path))
_, file := filepath.Split(path)
return NameToGuid(file)
return NameToGuid(ctx, file)
}

5
vendor/github.com/Microsoft/hcsshim/internal/wclayer/layerutils.go generated vendored
View File

@ -4,6 +4,7 @@ package wclayer
// functionality.
import (
"context"
"syscall"
"github.com/Microsoft/go-winio/pkg/guid"
@ -68,12 +69,12 @@ type WC_LAYER_DESCRIPTOR struct {
Pathp *uint16
}
func layerPathsToDescriptors(parentLayerPaths []string) ([]WC_LAYER_DESCRIPTOR, error) {
func layerPathsToDescriptors(ctx context.Context, parentLayerPaths []string) ([]WC_LAYER_DESCRIPTOR, error) {
// Array of descriptors that gets constructed.
var layers []WC_LAYER_DESCRIPTOR
for i := 0; i < len(parentLayerPaths); i++ {
g, err := LayerID(parentLayerPaths[i])
g, err := LayerID(ctx, parentLayerPaths[i])
if err != nil {
logrus.WithError(err).Debug("Failed to convert name to guid")
return nil, err

31
vendor/github.com/Microsoft/hcsshim/internal/wclayer/nametoguid.go generated vendored
View File

@ -1,34 +1,29 @@
package wclayer
import (
"context"
"github.com/Microsoft/go-winio/pkg/guid"
"github.com/Microsoft/hcsshim/internal/hcserror"
"github.com/sirupsen/logrus"
"github.com/Microsoft/hcsshim/internal/oc"
"go.opencensus.io/trace"
)
// NameToGuid converts the given string into a GUID using the algorithm in the
// Host Compute Service, ensuring GUIDs generated with the same string are common
// across all clients.
func NameToGuid(name string) (id guid.GUID, err error) {
func NameToGuid(ctx context.Context, name string) (_ guid.GUID, err error) {
title := "hcsshim::NameToGuid"
fields := logrus.Fields{
"name": name,
}
logrus.WithFields(fields).Debug(title)
defer func() {
if err != nil {
fields[logrus.ErrorKey] = err
logrus.WithFields(fields).Error(err)
} else {
logrus.WithFields(fields).Debug(title + " - succeeded")
}
}()
ctx, span := trace.StartSpan(ctx, title)
defer span.End()
defer func() { oc.SetSpanStatus(span, err) }()
span.AddAttributes(trace.StringAttribute("name", name))
var id guid.GUID
err = nameToGuid(name, &id)
if err != nil {
err = hcserror.New(err, title+" - failed", "")
return
return guid.GUID{}, hcserror.New(err, title+" - failed", "")
}
fields["guid"] = id.String()
return
span.AddAttributes(trace.StringAttribute("guid", id.String()))
return id, nil
}

27
vendor/github.com/Microsoft/hcsshim/internal/wclayer/preparelayer.go generated vendored
View File

@ -1,10 +1,13 @@
package wclayer
import (
"context"
"strings"
"sync"
"github.com/Microsoft/hcsshim/internal/hcserror"
"github.com/sirupsen/logrus"
"github.com/Microsoft/hcsshim/internal/oc"
"go.opencensus.io/trace"
)
var prepareLayerLock sync.Mutex
@ -14,23 +17,17 @@ var prepareLayerLock sync.Mutex
// parent layers, and is necessary in order to view or interact with the layer
// as an actual filesystem (reading and writing files, creating directories, etc).
// Disabling the filter must be done via UnprepareLayer.
func PrepareLayer(path string, parentLayerPaths []string) (err error) {
func PrepareLayer(ctx context.Context, path string, parentLayerPaths []string) (err error) {
title := "hcsshim::PrepareLayer"
fields := logrus.Fields{
"path": path,
}
logrus.WithFields(fields).Debug(title)
defer func() {
if err != nil {
fields[logrus.ErrorKey] = err
logrus.WithFields(fields).Error(err)
} else {
logrus.WithFields(fields).Debug(title + " - succeeded")
}
}()
ctx, span := trace.StartSpan(ctx, title)
defer span.End()
defer func() { oc.SetSpanStatus(span, err) }()
span.AddAttributes(
trace.StringAttribute("path", path),
trace.StringAttribute("parentLayerPaths", strings.Join(parentLayerPaths, ", ")))
// Generate layer descriptors
layers, err := layerPathsToDescriptors(parentLayerPaths)
layers, err := layerPathsToDescriptors(ctx, parentLayerPaths)
if err != nil {
return err
}

32
vendor/github.com/Microsoft/hcsshim/internal/wclayer/processimage.go generated vendored
View File

@ -1,23 +1,41 @@
package wclayer
import "os"
import (
"context"
"os"
"github.com/Microsoft/hcsshim/internal/oc"
"go.opencensus.io/trace"
)
// ProcessBaseLayer post-processes a base layer that has had its files extracted.
// The files should have been extracted to <path>\Files.
func ProcessBaseLayer(path string) error {
err := processBaseImage(path)
func ProcessBaseLayer(ctx context.Context, path string) (err error) {
title := "hcsshim::ProcessBaseLayer"
ctx, span := trace.StartSpan(ctx, title)
defer span.End()
defer func() { oc.SetSpanStatus(span, err) }()
span.AddAttributes(trace.StringAttribute("path", path))
err = processBaseImage(path)
if err != nil {
return &os.PathError{Op: "ProcessBaseLayer", Path: path, Err: err}
return &os.PathError{Op: title, Path: path, Err: err}
}
return nil
}
// ProcessUtilityVMImage post-processes a utility VM image that has had its files extracted.
// The files should have been extracted to <path>\Files.
func ProcessUtilityVMImage(path string) error {
err := processUtilityImage(path)
func ProcessUtilityVMImage(ctx context.Context, path string) (err error) {
title := "hcsshim::ProcessUtilityVMImage"
ctx, span := trace.StartSpan(ctx, title)
defer span.End()
defer func() { oc.SetSpanStatus(span, err) }()
span.AddAttributes(trace.StringAttribute("path", path))
err = processUtilityImage(path)
if err != nil {
return &os.PathError{Op: "ProcessUtilityVMImage", Path: path, Err: err}
return &os.PathError{Op: title, Path: path, Err: err}
}
return nil
}

23
vendor/github.com/Microsoft/hcsshim/internal/wclayer/unpreparelayer.go generated vendored
View File

@ -1,26 +1,21 @@
package wclayer
import (
"context"
"github.com/Microsoft/hcsshim/internal/hcserror"
"github.com/sirupsen/logrus"
"github.com/Microsoft/hcsshim/internal/oc"
"go.opencensus.io/trace"
)
// UnprepareLayer disables the filesystem filter for the read-write layer with
// the given id.
func UnprepareLayer(path string) (err error) {
func UnprepareLayer(ctx context.Context, path string) (err error) {
title := "hcsshim::UnprepareLayer"
fields := logrus.Fields{
"path": path,
}
logrus.WithFields(fields).Debug(title)
defer func() {
if err != nil {
fields[logrus.ErrorKey] = err
logrus.WithFields(fields).Error(err)
} else {
logrus.WithFields(fields).Debug(title + " - succeeded")
}
}()
ctx, span := trace.StartSpan(ctx, title)
defer span.End()
defer func() { oc.SetSpanStatus(span, err) }()
span.AddAttributes(trace.StringAttribute("path", path))
err = unprepareLayer(&stdDriverInfo, path)
if err != nil {

41
vendor/github.com/Microsoft/hcsshim/layer.go generated vendored
View File

@ -1,6 +1,7 @@
package hcsshim
import (
"context"
"crypto/sha1"
"path/filepath"
@ -13,59 +14,59 @@ func layerPath(info *DriverInfo, id string) string {
}
func ActivateLayer(info DriverInfo, id string) error {
return wclayer.ActivateLayer(layerPath(&info, id))
return wclayer.ActivateLayer(context.Background(), layerPath(&info, id))
}
func CreateLayer(info DriverInfo, id, parent string) error {
return wclayer.CreateLayer(layerPath(&info, id), parent)
return wclayer.CreateLayer(context.Background(), layerPath(&info, id), parent)
}
// New clients should use CreateScratchLayer instead. Kept in to preserve API compatibility.
func CreateSandboxLayer(info DriverInfo, layerId, parentId string, parentLayerPaths []string) error {
return wclayer.CreateScratchLayer(layerPath(&info, layerId), parentLayerPaths)
return wclayer.CreateScratchLayer(context.Background(), layerPath(&info, layerId), parentLayerPaths)
}
func CreateScratchLayer(info DriverInfo, layerId, parentId string, parentLayerPaths []string) error {
return wclayer.CreateScratchLayer(layerPath(&info, layerId), parentLayerPaths)
return wclayer.CreateScratchLayer(context.Background(), layerPath(&info, layerId), parentLayerPaths)
}
func DeactivateLayer(info DriverInfo, id string) error {
return wclayer.DeactivateLayer(layerPath(&info, id))
return wclayer.DeactivateLayer(context.Background(), layerPath(&info, id))
}
func DestroyLayer(info DriverInfo, id string) error {
return wclayer.DestroyLayer(layerPath(&info, id))
return wclayer.DestroyLayer(context.Background(), layerPath(&info, id))
}
// New clients should use ExpandScratchSize instead. Kept in to preserve API compatibility.
func ExpandSandboxSize(info DriverInfo, layerId string, size uint64) error {
return wclayer.ExpandScratchSize(layerPath(&info, layerId), size)
return wclayer.ExpandScratchSize(context.Background(), layerPath(&info, layerId), size)
}
func ExpandScratchSize(info DriverInfo, layerId string, size uint64) error {
return wclayer.ExpandScratchSize(layerPath(&info, layerId), size)
return wclayer.ExpandScratchSize(context.Background(), layerPath(&info, layerId), size)
}
func ExportLayer(info DriverInfo, layerId string, exportFolderPath string, parentLayerPaths []string) error {
return wclayer.ExportLayer(layerPath(&info, layerId), exportFolderPath, parentLayerPaths)
return wclayer.ExportLayer(context.Background(), layerPath(&info, layerId), exportFolderPath, parentLayerPaths)
}
func GetLayerMountPath(info DriverInfo, id string) (string, error) {
return wclayer.GetLayerMountPath(layerPath(&info, id))
return wclayer.GetLayerMountPath(context.Background(), layerPath(&info, id))
}
func GetSharedBaseImages() (imageData string, err error) {
return wclayer.GetSharedBaseImages()
return wclayer.GetSharedBaseImages(context.Background())
}
func ImportLayer(info DriverInfo, layerID string, importFolderPath string, parentLayerPaths []string) error {
return wclayer.ImportLayer(layerPath(&info, layerID), importFolderPath, parentLayerPaths)
return wclayer.ImportLayer(context.Background(), layerPath(&info, layerID), importFolderPath, parentLayerPaths)
}
func LayerExists(info DriverInfo, id string) (bool, error) {
return wclayer.LayerExists(layerPath(&info, id))
return wclayer.LayerExists(context.Background(), layerPath(&info, id))
}
func PrepareLayer(info DriverInfo, layerId string, parentLayerPaths []string) error {
return wclayer.PrepareLayer(layerPath(&info, layerId), parentLayerPaths)
return wclayer.PrepareLayer(context.Background(), layerPath(&info, layerId), parentLayerPaths)
}
func ProcessBaseLayer(path string) error {
return wclayer.ProcessBaseLayer(path)
return wclayer.ProcessBaseLayer(context.Background(), path)
}
func ProcessUtilityVMImage(path string) error {
return wclayer.ProcessUtilityVMImage(path)
return wclayer.ProcessUtilityVMImage(context.Background(), path)
}
func UnprepareLayer(info DriverInfo, layerId string) error {
return wclayer.UnprepareLayer(layerPath(&info, layerId))
return wclayer.UnprepareLayer(context.Background(), layerPath(&info, layerId))
}
type DriverInfo struct {
@ -76,7 +77,7 @@ type DriverInfo struct {
type GUID [16]byte
func NameToGuid(name string) (id GUID, err error) {
g, err := wclayer.NameToGuid(name)
g, err := wclayer.NameToGuid(context.Background(), name)
return g.ToWindowsArray(), err
}
@ -94,13 +95,13 @@ func (g *GUID) ToString() string {
type LayerReader = wclayer.LayerReader
func NewLayerReader(info DriverInfo, layerID string, parentLayerPaths []string) (LayerReader, error) {
return wclayer.NewLayerReader(layerPath(&info, layerID), parentLayerPaths)
return wclayer.NewLayerReader(context.Background(), layerPath(&info, layerID), parentLayerPaths)
}
type LayerWriter = wclayer.LayerWriter
func NewLayerWriter(info DriverInfo, layerID string, parentLayerPaths []string) (LayerWriter, error) {
return wclayer.NewLayerWriter(layerPath(&info, layerID), parentLayerPaths)
return wclayer.NewLayerWriter(context.Background(), layerPath(&info, layerID), parentLayerPaths)
}
type WC_LAYER_DESCRIPTOR = wclayer.WC_LAYER_DESCRIPTOR

17
vendor/github.com/cilium/ebpf/abi.go generated vendored
View File

@ -9,6 +9,7 @@ import (
"syscall"
"github.com/cilium/ebpf/internal"
"github.com/pkg/errors"
)
@ -31,7 +32,7 @@ func newMapABIFromSpec(spec *MapSpec) *MapABI {
}
}
func newMapABIFromFd(fd *bpfFD) (string, *MapABI, error) {
func newMapABIFromFd(fd *internal.FD) (string, *MapABI, error) {
info, err := bpfGetMapInfoByFD(fd)
if err != nil {
if errors.Cause(err) == syscall.EINVAL {
@ -50,7 +51,7 @@ func newMapABIFromFd(fd *bpfFD) (string, *MapABI, error) {
}, nil
}
func newMapABIFromProc(fd *bpfFD) (*MapABI, error) {
func newMapABIFromProc(fd *internal.FD) (*MapABI, error) {
var abi MapABI
err := scanFdInfo(fd, map[string]interface{}{
"map_type": &abi.Type,
@ -94,7 +95,7 @@ func newProgramABIFromSpec(spec *ProgramSpec) *ProgramABI {
}
}
func newProgramABIFromFd(fd *bpfFD) (string, *ProgramABI, error) {
func newProgramABIFromFd(fd *internal.FD) (string, *ProgramABI, error) {
info, err := bpfGetProgInfoByFD(fd)
if err != nil {
if errors.Cause(err) == syscall.EINVAL {
@ -105,10 +106,10 @@ func newProgramABIFromFd(fd *bpfFD) (string, *ProgramABI, error) {
}
var name string
if bpfName := convertCString(info.name[:]); bpfName != "" {
if bpfName := internal.CString(info.name[:]); bpfName != "" {
name = bpfName
} else {
name = convertCString(info.tag[:])
name = internal.CString(info.tag[:])
}
return name, &ProgramABI{
@ -116,7 +117,7 @@ func newProgramABIFromFd(fd *bpfFD) (string, *ProgramABI, error) {
}, nil
}
func newProgramABIFromProc(fd *bpfFD) (string, *ProgramABI, error) {
func newProgramABIFromProc(fd *internal.FD) (string, *ProgramABI, error) {
var (
abi ProgramABI
name string
@ -139,8 +140,8 @@ func newProgramABIFromProc(fd *bpfFD) (string, *ProgramABI, error) {
return name, &abi, nil
}
func scanFdInfo(fd *bpfFD, fields map[string]interface{}) error {
raw, err := fd.value()
func scanFdInfo(fd *internal.FD, fields map[string]interface{}) error {
raw, err := fd.Value()
if err != nil {
return err
}

63
vendor/github.com/cilium/ebpf/collection.go generated vendored
View File

@ -2,6 +2,7 @@ package ebpf
import (
"github.com/cilium/ebpf/asm"
"github.com/cilium/ebpf/internal/btf"
"github.com/pkg/errors"
)
@ -55,17 +56,61 @@ func NewCollection(spec *CollectionSpec) (*Collection, error) {
// NewCollectionWithOptions creates a Collection from a specification.
//
// Only maps referenced by at least one of the programs are initialized.
func NewCollectionWithOptions(spec *CollectionSpec, opts CollectionOptions) (*Collection, error) {
maps := make(map[string]*Map)
func NewCollectionWithOptions(spec *CollectionSpec, opts CollectionOptions) (coll *Collection, err error) {
var (
maps = make(map[string]*Map)
progs = make(map[string]*Program)
btfs = make(map[*btf.Spec]*btf.Handle)
)
defer func() {
for _, btf := range btfs {
btf.Close()
}
if err == nil {
return
}
for _, m := range maps {
m.Close()
}
for _, p := range progs {
p.Close()
}
}()
loadBTF := func(spec *btf.Spec) (*btf.Handle, error) {
if btfs[spec] != nil {
return btfs[spec], nil
}
handle, err := btf.NewHandle(spec)
if err != nil {
return nil, err
}
btfs[spec] = handle
return handle, nil
}
for mapName, mapSpec := range spec.Maps {
m, err := NewMap(mapSpec)
var handle *btf.Handle
if mapSpec.BTF != nil {
handle, err = loadBTF(btf.MapSpec(mapSpec.BTF))
if err != nil && !btf.IsNotSupported(err) {
return nil, err
}
}
m, err := newMapWithBTF(mapSpec, handle)
if err != nil {
return nil, errors.Wrapf(err, "map %s", mapName)
}
maps[mapName] = m
}
progs := make(map[string]*Program)
for progName, origProgSpec := range spec.Programs {
progSpec := origProgSpec.Copy()
@ -91,7 +136,15 @@ func NewCollectionWithOptions(spec *CollectionSpec, opts CollectionOptions) (*Co
}
}
prog, err := NewProgramWithOptions(progSpec, opts.Programs)
var handle *btf.Handle
if progSpec.BTF != nil {
handle, err = loadBTF(btf.ProgramSpec(progSpec.BTF))
if err != nil && !btf.IsNotSupported(err) {
return nil, err
}
}
prog, err := newProgramWithBTF(progSpec, handle, opts.Programs)
if err != nil {
return nil, errors.Wrapf(err, "program %s", progName)
}

297
vendor/github.com/cilium/ebpf/elf_reader.go generated vendored
View File

@ -4,12 +4,13 @@ import (
"bytes"
"debug/elf"
"encoding/binary"
"fmt"
"io"
"os"
"strings"
"github.com/cilium/ebpf/asm"
"github.com/cilium/ebpf/internal"
"github.com/cilium/ebpf/internal/btf"
"github.com/pkg/errors"
)
@ -18,6 +19,8 @@ type elfCode struct {
*elf.File
symbols []elf.Symbol
symbolsPerSection map[elf.SectionIndex]map[uint64]string
license string
version uint32
}
// LoadCollectionSpec parses an ELF file into a CollectionSpec.
@ -33,8 +36,8 @@ func LoadCollectionSpec(file string) (*CollectionSpec, error) {
}
// LoadCollectionSpecFromReader parses an ELF file into a CollectionSpec.
func LoadCollectionSpecFromReader(code io.ReaderAt) (*CollectionSpec, error) {
f, err := elf.NewFile(code)
func LoadCollectionSpecFromReader(rd io.ReaderAt) (*CollectionSpec, error) {
f, err := elf.NewFile(rd)
if err != nil {
return nil, err
}
@ -45,12 +48,17 @@ func LoadCollectionSpecFromReader(code io.ReaderAt) (*CollectionSpec, error) {
return nil, errors.Wrap(err, "load symbols")
}
ec := &elfCode{f, symbols, symbolsPerSection(symbols)}
ec := &elfCode{f, symbols, symbolsPerSection(symbols), "", 0}
var (
licenseSection *elf.Section
versionSection *elf.Section
btfMaps = make(map[elf.SectionIndex]*elf.Section)
progSections = make(map[elf.SectionIndex]*elf.Section)
relSections = make(map[elf.SectionIndex]*elf.Section)
mapSections = make(map[elf.SectionIndex]*elf.Section)
)
var licenseSection, versionSection *elf.Section
progSections := make(map[elf.SectionIndex]*elf.Section)
relSections := make(map[elf.SectionIndex]*elf.Section)
mapSections := make(map[elf.SectionIndex]*elf.Section)
for i, sec := range ec.Sections {
switch {
case strings.HasPrefix(sec.Name, "license"):
@ -59,6 +67,8 @@ func LoadCollectionSpecFromReader(code io.ReaderAt) (*CollectionSpec, error) {
versionSection = sec
case strings.HasPrefix(sec.Name, "maps"):
mapSections[elf.SectionIndex(i)] = sec
case sec.Name == ".maps":
btfMaps[elf.SectionIndex(i)] = sec
case sec.Type == elf.SHT_REL:
if int(sec.Info) >= len(ec.Sections) {
return nil, errors.Errorf("found relocation section %v for missing section %v", i, sec.Info)
@ -67,7 +77,7 @@ func LoadCollectionSpecFromReader(code io.ReaderAt) (*CollectionSpec, error) {
// Store relocations under the section index of the target
idx := elf.SectionIndex(sec.Info)
if relSections[idx] != nil {
return nil, errors.Errorf("section %d has multiple relocation sections", idx)
return nil, errors.Errorf("section %d has multiple relocation sections", sec.Info)
}
relSections[idx] = sec
case sec.Type == elf.SHT_PROGBITS && (sec.Flags&elf.SHF_EXECINSTR) != 0 && sec.Size > 0:
@ -75,33 +85,36 @@ func LoadCollectionSpecFromReader(code io.ReaderAt) (*CollectionSpec, error) {
}
}
license, err := loadLicense(licenseSection)
ec.license, err = loadLicense(licenseSection)
if err != nil {
return nil, errors.Wrap(err, "load license")
}
version, err := loadVersion(versionSection, ec.ByteOrder)
ec.version, err = loadVersion(versionSection, ec.ByteOrder)
if err != nil {
return nil, errors.Wrap(err, "load version")
}
maps, err := ec.loadMaps(mapSections)
btf, err := btf.LoadSpecFromReader(rd)
if err != nil {
return nil, errors.Wrap(err, "load BTF")
}
maps := make(map[string]*MapSpec)
if err := ec.loadMaps(maps, mapSections); err != nil {
return nil, errors.Wrap(err, "load maps")
}
progs, libs, err := ec.loadPrograms(progSections, relSections, license, version)
if err != nil {
return nil, errors.Wrap(err, "load programs")
if len(btfMaps) > 0 {
if err := ec.loadBTFMaps(maps, btfMaps, btf); err != nil {
return nil, errors.Wrap(err, "load BTF maps")
}
}
if len(libs) > 0 {
for name, prog := range progs {
prog.Instructions, err = link(prog.Instructions, libs...)
if err != nil {
return nil, errors.Wrapf(err, "program %s", name)
}
}
progs, err := ec.loadPrograms(progSections, relSections, btf)
if err != nil {
return nil, errors.Wrap(err, "load programs")
}
return &CollectionSpec{maps, progs}, nil
@ -128,52 +141,74 @@ func loadVersion(sec *elf.Section, bo binary.ByteOrder) (uint32, error) {
return version, errors.Wrapf(err, "section %s", sec.Name)
}
func (ec *elfCode) loadPrograms(progSections, relSections map[elf.SectionIndex]*elf.Section, license string, version uint32) (map[string]*ProgramSpec, []asm.Instructions, error) {
func (ec *elfCode) loadPrograms(progSections, relSections map[elf.SectionIndex]*elf.Section, btf *btf.Spec) (map[string]*ProgramSpec, error) {
var (
progs = make(map[string]*ProgramSpec)
libs []asm.Instructions
progs []*ProgramSpec
libs []*ProgramSpec
)
for idx, prog := range progSections {
syms := ec.symbolsPerSection[idx]
if len(syms) == 0 {
return nil, nil, errors.Errorf("section %v: missing symbols", prog.Name)
return nil, errors.Errorf("section %v: missing symbols", prog.Name)
}
funcSym := syms[0]
if funcSym == "" {
return nil, nil, errors.Errorf("section %v: no label at start", prog.Name)
return nil, errors.Errorf("section %v: no label at start", prog.Name)
}
rels, err := ec.loadRelocations(relSections[idx])
if err != nil {
return nil, nil, errors.Wrapf(err, "program %s: can't load relocations", funcSym)
return nil, errors.Wrapf(err, "program %s: can't load relocations", funcSym)
}
insns, err := ec.loadInstructions(prog, syms, rels)
insns, length, err := ec.loadInstructions(prog, syms, rels)
if err != nil {
return nil, nil, errors.Wrapf(err, "program %s: can't unmarshal instructions", funcSym)
return nil, errors.Wrapf(err, "program %s: can't unmarshal instructions", funcSym)
}
if progType, attachType := getProgType(prog.Name); progType == UnspecifiedProgram {
progType, attachType := getProgType(prog.Name)
spec := &ProgramSpec{
Name: funcSym,
Type: progType,
AttachType: attachType,
License: ec.license,
KernelVersion: ec.version,
Instructions: insns,
}
if btf != nil {
spec.BTF, err = btf.Program(prog.Name, length)
if err != nil {
return nil, errors.Wrapf(err, "BTF for section %s (program %s)", prog.Name, funcSym)
}
}
if spec.Type == UnspecifiedProgram {
// There is no single name we can use for "library" sections,
// since they may contain multiple functions. We'll decode the
// labels they contain later on, and then link sections that way.
libs = append(libs, insns)
libs = append(libs, spec)
} else {
progs[funcSym] = &ProgramSpec{
Name: funcSym,
Type: progType,
AttachType: attachType,
License: license,
KernelVersion: version,
Instructions: insns,
}
progs = append(progs, spec)
}
}
return progs, libs, nil
res := make(map[string]*ProgramSpec, len(progs))
for _, prog := range progs {
err := link(prog, libs)
if err != nil {
return nil, errors.Wrapf(err, "program %s", prog.Name)
}
res[prog.Name] = prog
}
return res, nil
}
func (ec *elfCode) loadInstructions(section *elf.Section, symbols, relocations map[uint64]string) (asm.Instructions, error) {
func (ec *elfCode) loadInstructions(section *elf.Section, symbols, relocations map[uint64]string) (asm.Instructions, uint64, error) {
var (
r = section.Open()
insns asm.Instructions
@ -183,10 +218,10 @@ func (ec *elfCode) loadInstructions(section *elf.Section, symbols, relocations m
for {
n, err := ins.Unmarshal(r, ec.ByteOrder)
if err == io.EOF {
return insns, nil
return insns, offset, nil
}
if err != nil {
return nil, errors.Wrapf(err, "offset %d", offset)
return nil, 0, errors.Wrapf(err, "offset %d", offset)
}
ins.Symbol = symbols[offset]
@ -197,19 +232,15 @@ func (ec *elfCode) loadInstructions(section *elf.Section, symbols, relocations m
}
}
func (ec *elfCode) loadMaps(mapSections map[elf.SectionIndex]*elf.Section) (map[string]*MapSpec, error) {
var (
maps = make(map[string]*MapSpec)
b = make([]byte, 1)
)
func (ec *elfCode) loadMaps(maps map[string]*MapSpec, mapSections map[elf.SectionIndex]*elf.Section) error {
for idx, sec := range mapSections {
syms := ec.symbolsPerSection[idx]
if len(syms) == 0 {
return nil, errors.Errorf("section %v: no symbols", sec.Name)
return errors.Errorf("section %v: no symbols", sec.Name)
}
if sec.Size%uint64(len(syms)) != 0 {
return nil, errors.Errorf("section %v: map descriptors are not of equal size", sec.Name)
return errors.Errorf("section %v: map descriptors are not of equal size", sec.Name)
}
var (
@ -219,12 +250,11 @@ func (ec *elfCode) loadMaps(mapSections map[elf.SectionIndex]*elf.Section) (map[
for i, offset := 0, uint64(0); i < len(syms); i, offset = i+1, offset+size {
mapSym := syms[offset]
if mapSym == "" {
fmt.Println(syms)
return nil, errors.Errorf("section %s: missing symbol for map at offset %d", sec.Name, offset)
return errors.Errorf("section %s: missing symbol for map at offset %d", sec.Name, offset)
}
if maps[mapSym] != nil {
return nil, errors.Errorf("section %v: map %v already exists", sec.Name, mapSym)
return errors.Errorf("section %v: map %v already exists", sec.Name, mapSym)
}
lr := io.LimitReader(r, int64(size))
@ -232,51 +262,152 @@ func (ec *elfCode) loadMaps(mapSections map[elf.SectionIndex]*elf.Section) (map[
var spec MapSpec
switch {
case binary.Read(lr, ec.ByteOrder, &spec.Type) != nil:
return nil, errors.Errorf("map %v: missing type", mapSym)
return errors.Errorf("map %v: missing type", mapSym)
case binary.Read(lr, ec.ByteOrder, &spec.KeySize) != nil:
return nil, errors.Errorf("map %v: missing key size", mapSym)
return errors.Errorf("map %v: missing key size", mapSym)
case binary.Read(lr, ec.ByteOrder, &spec.ValueSize) != nil:
return nil, errors.Errorf("map %v: missing value size", mapSym)
return errors.Errorf("map %v: missing value size", mapSym)
case binary.Read(lr, ec.ByteOrder, &spec.MaxEntries) != nil:
return nil, errors.Errorf("map %v: missing max entries", mapSym)
return errors.Errorf("map %v: missing max entries", mapSym)
case binary.Read(lr, ec.ByteOrder, &spec.Flags) != nil:
return nil, errors.Errorf("map %v: missing flags", mapSym)
return errors.Errorf("map %v: missing flags", mapSym)
}
for {
_, err := lr.Read(b)
if err == io.EOF {
break
}
if err != nil {
return nil, err
}
if b[0] != 0 {
return nil, errors.Errorf("map %v: unknown and non-zero fields in definition", mapSym)
}
if _, err := io.Copy(internal.DiscardZeroes{}, lr); err != nil {
return errors.Errorf("map %v: unknown and non-zero fields in definition", mapSym)
}
maps[mapSym] = &spec
}
}
return maps, nil
return nil
}
func (ec *elfCode) loadBTFMaps(maps map[string]*MapSpec, mapSections map[elf.SectionIndex]*elf.Section, spec *btf.Spec) error {
if spec == nil {
return errors.Errorf("missing BTF")
}
for idx, sec := range mapSections {
syms := ec.symbolsPerSection[idx]
if len(syms) == 0 {
return errors.Errorf("section %v: no symbols", sec.Name)
}
for _, sym := range syms {
if maps[sym] != nil {
return errors.Errorf("section %v: map %v already exists", sec.Name, sym)
}
btfMap, err := spec.Map(sym)
if err != nil {
return errors.Wrapf(err, "map %v: can't get BTF", sym)
}
spec, err := mapSpecFromBTF(btfMap)
if err != nil {
return errors.Wrapf(err, "map %v", sym)
}
maps[sym] = spec
}
}
return nil
}
func mapSpecFromBTF(btfMap *btf.Map) (*MapSpec, error) {
var (
mapType, flags, maxEntries uint32
err error
)
for _, member := range btf.MapType(btfMap).Members {
switch member.Name {
case "type":
mapType, err = uintFromBTF(member.Type)
if err != nil {
return nil, errors.Wrap(err, "can't get type")
}
case "map_flags":
flags, err = uintFromBTF(member.Type)
if err != nil {
return nil, errors.Wrap(err, "can't get BTF map flags")
}
case "max_entries":
maxEntries, err = uintFromBTF(member.Type)
if err != nil {
return nil, errors.Wrap(err, "can't get BTF map max entries")
}
case "key":
case "value":
default:
return nil, errors.Errorf("unrecognized field %s in BTF map definition", member.Name)
}
}
keySize, err := btf.Sizeof(btf.MapKey(btfMap))
if err != nil {
return nil, errors.Wrap(err, "can't get size of BTF key")
}
valueSize, err := btf.Sizeof(btf.MapValue(btfMap))
if err != nil {
return nil, errors.Wrap(err, "can't get size of BTF value")
}
return &MapSpec{
Type: MapType(mapType),
KeySize: uint32(keySize),
ValueSize: uint32(valueSize),
MaxEntries: maxEntries,
Flags: flags,
BTF: btfMap,
}, nil
}
// uintFromBTF resolves the __uint macro, which is a pointer to a sized
// array, e.g. for int (*foo)[10], this function will return 10.
func uintFromBTF(typ btf.Type) (uint32, error) {
ptr, ok := typ.(*btf.Pointer)
if !ok {
return 0, errors.Errorf("not a pointer: %v", typ)
}
arr, ok := ptr.Target.(*btf.Array)
if !ok {
return 0, errors.Errorf("not a pointer to array: %v", typ)
}
return arr.Nelems, nil
}
func getProgType(v string) (ProgramType, AttachType) {
types := map[string]ProgramType{
// From https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/tools/lib/bpf/libbpf.c#n3568
"socket": SocketFilter,
"seccomp": SocketFilter,
"kprobe/": Kprobe,
"kretprobe/": Kprobe,
"tracepoint/": TracePoint,
"xdp": XDP,
"perf_event": PerfEvent,
"sockops": SockOps,
"sk_skb": SkSKB,
"sk_msg": SkMsg,
"lirc_mode2": LircMode2,
"flow_dissector": FlowDissector,
"socket": SocketFilter,
"seccomp": SocketFilter,
"kprobe/": Kprobe,
"uprobe/": Kprobe,
"kretprobe/": Kprobe,
"uretprobe/": Kprobe,
"tracepoint/": TracePoint,
"raw_tracepoint/": RawTracepoint,
"xdp": XDP,
"perf_event": PerfEvent,
"lwt_in": LWTIn,
"lwt_out": LWTOut,
"lwt_xmit": LWTXmit,
"lwt_seg6local": LWTSeg6Local,
"sockops": SockOps,
"sk_skb": SkSKB,
"sk_msg": SkMsg,
"lirc_mode2": LircMode2,
"flow_dissector": FlowDissector,
"cgroup_skb/": CGroupSKB,
"cgroup/dev": CGroupDevice,

530
vendor/github.com/cilium/ebpf/internal/btf/btf.go generated vendored Normal file
View File

@ -0,0 +1,530 @@
package btf
import (
"bytes"
"debug/elf"
"encoding/binary"
"io"
"io/ioutil"
"math"
"reflect"
"unsafe"
"github.com/cilium/ebpf/internal"
"github.com/cilium/ebpf/internal/unix"
"github.com/pkg/errors"
)
const btfMagic = 0xeB9F
// Spec represents decoded BTF.
type Spec struct {
rawTypes []rawType
strings stringTable
types map[string][]Type
funcInfos map[string]extInfo
lineInfos map[string]extInfo
}
type btfHeader struct {
Magic uint16
Version uint8
Flags uint8
HdrLen uint32
TypeOff uint32
TypeLen uint32
StringOff uint32
StringLen uint32
}
// LoadSpecFromReader reads BTF sections from an ELF.
//
// Returns a nil Spec and no error if no BTF was present.
func LoadSpecFromReader(rd io.ReaderAt) (*Spec, error) {
file, err := elf.NewFile(rd)
if err != nil {
return nil, err
}
defer file.Close()
var (
btfSection *elf.Section
btfExtSection *elf.Section
)
for _, sec := range file.Sections {
switch sec.Name {
case ".BTF":
btfSection = sec
case ".BTF.ext":
btfExtSection = sec
}
}
if btfSection == nil {
return nil, nil
}
spec, err := parseBTF(btfSection.Open(), file.ByteOrder)
if err != nil {
return nil, err
}
if btfExtSection != nil {
spec.funcInfos, spec.lineInfos, err = parseExtInfos(btfExtSection.Open(), file.ByteOrder, spec.strings)
if err != nil {
return nil, errors.Wrap(err, "can't read ext info")
}
}
return spec, nil
}
func parseBTF(btf io.ReadSeeker, bo binary.ByteOrder) (*Spec, error) {
rawBTF, err := ioutil.ReadAll(btf)
if err != nil {
return nil, errors.Wrap(err, "can't read BTF")
}
rd := bytes.NewReader(rawBTF)
var header btfHeader
if err := binary.Read(rd, bo, &header); err != nil {
return nil, errors.Wrap(err, "can't read header")
}
if header.Magic != btfMagic {
return nil, errors.Errorf("incorrect magic value %v", header.Magic)
}
if header.Version != 1 {
return nil, errors.Errorf("unexpected version %v", header.Version)
}
if header.Flags != 0 {
return nil, errors.Errorf("unsupported flags %v", header.Flags)
}
remainder := int64(header.HdrLen) - int64(binary.Size(&header))
if remainder < 0 {
return nil, errors.New("header is too short")
}
if _, err := io.CopyN(internal.DiscardZeroes{}, rd, remainder); err != nil {
return nil, errors.Wrap(err, "header padding")
}
if _, err := rd.Seek(int64(header.HdrLen+header.StringOff), io.SeekStart); err != nil {
return nil, errors.Wrap(err, "can't seek to start of string section")
}
strings, err := readStringTable(io.LimitReader(rd, int64(header.StringLen)))
if err != nil {
return nil, errors.Wrap(err, "can't read type names")
}
if _, err := rd.Seek(int64(header.HdrLen+header.TypeOff), io.SeekStart); err != nil {
return nil, errors.Wrap(err, "can't seek to start of type section")
}
rawTypes, err := readTypes(io.LimitReader(rd, int64(header.TypeLen)), bo)
if err != nil {
return nil, errors.Wrap(err, "can't read types")
}
types, err := inflateRawTypes(rawTypes, strings)
if err != nil {
return nil, err
}
return &Spec{
rawTypes: rawTypes,
types: types,
strings: strings,
funcInfos: make(map[string]extInfo),
lineInfos: make(map[string]extInfo),
}, nil
}
func (s *Spec) marshal(bo binary.ByteOrder) ([]byte, error) {
var (
buf bytes.Buffer
header = new(btfHeader)
headerLen = binary.Size(header)
)
// Reserve space for the header. We have to write it last since
// we don't know the size of the type section yet.
_, _ = buf.Write(make([]byte, headerLen))
// Write type section, just after the header.
for _, typ := range s.rawTypes {
if typ.Kind() == kindDatasec {
// Datasec requires patching with information from the ELF
// file. We don't support this at the moment, so patch
// out any Datasec by turning it into a void*.
typ = rawType{}
typ.SetKind(kindPointer)
}
if err := typ.Marshal(&buf, bo); err != nil {
return nil, errors.Wrap(err, "can't marshal BTF")
}
}
typeLen := uint32(buf.Len() - headerLen)
// Write string section after type section.
_, _ = buf.Write(s.strings)
// Fill out the header, and write it out.
header = &btfHeader{
Magic: btfMagic,
Version: 1,
Flags: 0,
HdrLen: uint32(headerLen),
TypeOff: 0,
TypeLen: typeLen,
StringOff: typeLen,
StringLen: uint32(len(s.strings)),
}
raw := buf.Bytes()
err := binary.Write(sliceWriter(raw[:headerLen]), bo, header)
if err != nil {
return nil, errors.Wrap(err, "can't write header")
}
return raw, nil
}
type sliceWriter []byte
func (sw sliceWriter) Write(p []byte) (int, error) {
if len(p) != len(sw) {
return 0, errors.New("size doesn't match")
}
return copy(sw, p), nil
}
// Program finds the BTF for a specific section.
//
// Length is the number of bytes in the raw BPF instruction stream.
//
// Returns an error if there is no BTF.
func (s *Spec) Program(name string, length uint64) (*Program, error) {
if length == 0 {
return nil, errors.New("length musn't be zero")
}
funcInfos, funcOK := s.funcInfos[name]
lineInfos, lineOK := s.lineInfos[name]
if !funcOK && !lineOK {
return nil, errors.Errorf("no BTF for program %s", name)
}
return &Program{s, length, funcInfos, lineInfos}, nil
}
// Map finds the BTF for a map.
//
// Returns an error if there is no BTF for the given name.
func (s *Spec) Map(name string) (*Map, error) {
var mapVar Var
if err := s.FindType(name, &mapVar); err != nil {
return nil, err
}
mapStruct, ok := mapVar.Type.(*Struct)
if !ok {
return nil, errors.Errorf("expected struct, have %s", mapVar.Type)
}
var key, value Type
for _, member := range mapStruct.Members {
switch member.Name {
case "key":
key = member.Type
case "value":
value = member.Type
}
}
if key == nil {
return nil, errors.Errorf("map %s: missing 'key' in type", name)
}
if value == nil {
return nil, errors.Errorf("map %s: missing 'value' in type", name)
}
return &Map{mapStruct, s, key, value}, nil
}
var errNotFound = errors.New("not found")
// FindType searches for a type with a specific name.
//
// hint determines the type of the returned Type.
//
// Returns an error if there is no or multiple matches.
func (s *Spec) FindType(name string, typ Type) error {
var (
wanted = reflect.TypeOf(typ)
candidate Type
)
for _, typ := range s.types[name] {
if reflect.TypeOf(typ) != wanted {
continue
}
if candidate != nil {
return errors.Errorf("type %s: multiple candidates for %T", name, typ)
}
candidate = typ
}
if candidate == nil {
return errors.WithMessagef(errNotFound, "type %s", name)
}
value := reflect.Indirect(reflect.ValueOf(copyType(candidate)))
reflect.Indirect(reflect.ValueOf(typ)).Set(value)
return nil
}
// Handle is a reference to BTF loaded into the kernel.
type Handle struct {
fd *internal.FD
}
// NewHandle loads BTF into the kernel.
//
// Returns an error if BTF is not supported, which can
// be checked by IsNotSupported.
func NewHandle(spec *Spec) (*Handle, error) {
if err := haveBTF(); err != nil {
return nil, err
}
btf, err := spec.marshal(internal.NativeEndian)
if err != nil {
return nil, errors.Wrap(err, "can't marshal BTF")
}
if uint64(len(btf)) > math.MaxUint32 {
return nil, errors.New("BTF exceeds the maximum size")
}
attr := &bpfLoadBTFAttr{
btf: internal.NewSlicePointer(btf),
btfSize: uint32(len(btf)),
}
fd, err := bpfLoadBTF(attr)
if err != nil {
logBuf := make([]byte, 64*1024)
attr.logBuf = internal.NewSlicePointer(logBuf)
attr.btfLogSize = uint32(len(logBuf))
attr.btfLogLevel = 1
_, logErr := bpfLoadBTF(attr)
return nil, internal.ErrorWithLog(err, logBuf, logErr)
}
return &Handle{fd}, nil
}
// Close destroys the handle.
//
// Subsequent calls to FD will return an invalid value.
func (h *Handle) Close() error {
return h.fd.Close()
}
// FD returns the file descriptor for the handle.
func (h *Handle) FD() int {
value, err := h.fd.Value()
if err != nil {
return -1
}
return int(value)
}
// Map is the BTF for a map.
type Map struct {
definition *Struct
spec *Spec
key, value Type
}
// MapSpec should be a method on Map, but is a free function
// to hide it from users of the ebpf package.
func MapSpec(m *Map) *Spec {
return m.spec
}
// MapType should be a method on Map, but is a free function
// to hide it from users of the ebpf package.
func MapType(m *Map) *Struct {
return m.definition
}
// MapKey should be a method on Map, but is a free function
// to hide it from users of the ebpf package.
func MapKey(m *Map) Type {
return m.key
}
// MapValue should be a method on Map, but is a free function
// to hide it from users of the ebpf package.
func MapValue(m *Map) Type {
return m.value
}
// Program is the BTF information for a stream of instructions.
type Program struct {
spec *Spec
length uint64
funcInfos, lineInfos extInfo
}
// ProgramSpec returns the Spec needed for loading function and line infos into the kernel.
//
// This is a free function instead of a method to hide it from users
// of package ebpf.
func ProgramSpec(s *Program) *Spec {
return s.spec
}
// ProgramAppend the information from other to the Program.
//
// This is a free function instead of a method to hide it from users
// of package ebpf.
func ProgramAppend(s, other *Program) error {
funcInfos, err := s.funcInfos.append(other.funcInfos, s.length)
if err != nil {
return errors.Wrap(err, "func infos")
}
lineInfos, err := s.lineInfos.append(other.lineInfos, s.length)
if err != nil {
return errors.Wrap(err, "line infos")
}
s.length += other.length
s.funcInfos = funcInfos
s.lineInfos = lineInfos
return nil
}
// ProgramFuncInfos returns the binary form of BTF function infos.
//
// This is a free function instead of a method to hide it from users
// of package ebpf.
func ProgramFuncInfos(s *Program) (recordSize uint32, bytes []byte, err error) {
bytes, err = s.funcInfos.MarshalBinary()
if err != nil {
return 0, nil, err
}
return s.funcInfos.recordSize, bytes, nil
}
// ProgramLineInfos returns the binary form of BTF line infos.
//
// This is a free function instead of a method to hide it from users
// of package ebpf.
func ProgramLineInfos(s *Program) (recordSize uint32, bytes []byte, err error) {
bytes, err = s.lineInfos.MarshalBinary()
if err != nil {
return 0, nil, err
}
return s.lineInfos.recordSize, bytes, nil
}
// IsNotSupported returns true if the error indicates that the kernel
// doesn't support BTF.
func IsNotSupported(err error) bool {
ufe, ok := errors.Cause(err).(*internal.UnsupportedFeatureError)
return ok && ufe.Name == "BTF"
}
type bpfLoadBTFAttr struct {
btf internal.Pointer
logBuf internal.Pointer
btfSize uint32
btfLogSize uint32
btfLogLevel uint32
}
func bpfLoadBTF(attr *bpfLoadBTFAttr) (*internal.FD, error) {
const _BTFLoad = 18
fd, err := internal.BPF(_BTFLoad, unsafe.Pointer(attr), unsafe.Sizeof(*attr))
if err != nil {
return nil, err
}
return internal.NewFD(uint32(fd)), nil
}
func minimalBTF(bo binary.ByteOrder) []byte {
const minHeaderLength = 24
var (
types struct {
Integer btfType
Var btfType
btfVar struct{ Linkage uint32 }
}
typLen = uint32(binary.Size(&types))
strings = []byte{0, 'a', 0}
header = btfHeader{
Magic: btfMagic,
Version: 1,
HdrLen: minHeaderLength,
TypeOff: 0,
TypeLen: typLen,
StringOff: typLen,
StringLen: uint32(len(strings)),
}
)
// We use a BTF_KIND_VAR here, to make sure that
// the kernel understands BTF at least as well as we
// do. BTF_KIND_VAR was introduced ~5.1.
types.Integer.SetKind(kindPointer)
types.Var.NameOff = 1
types.Var.SetKind(kindVar)
types.Var.SizeType = 1
buf := new(bytes.Buffer)
_ = binary.Write(buf, bo, &header)
_ = binary.Write(buf, bo, &types)
buf.Write(strings)
return buf.Bytes()
}
var haveBTF = internal.FeatureTest("BTF", "5.1", func() bool {
btf := minimalBTF(internal.NativeEndian)
fd, err := bpfLoadBTF(&bpfLoadBTFAttr{
btf: internal.NewSlicePointer(btf),
btfSize: uint32(len(btf)),
})
if err == nil {
fd.Close()
}
// Check for EINVAL specifically, rather than err != nil since we
// otherwise misdetect due to insufficient permissions.
return errors.Cause(err) != unix.EINVAL
})

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vendor/github.com/cilium/ebpf/internal/btf/btf_types.go generated vendored Normal file
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package btf
import (
"encoding/binary"
"io"
"github.com/pkg/errors"
)
// btfKind describes a Type.
type btfKind uint8
// Equivalents of the BTF_KIND_* constants.
const (
kindUnknown btfKind = iota
kindInt
kindPointer
kindArray
kindStruct
kindUnion
kindEnum
kindForward
kindTypedef
kindVolatile
kindConst
kindRestrict
// Added ~4.20
kindFunc
kindFuncProto
// Added ~5.1
kindVar
kindDatasec
)
const (
btfTypeKindShift = 24
btfTypeKindLen = 4
btfTypeVlenShift = 0
btfTypeVlenMask = 16
)
// btfType is equivalent to struct btf_type in Documentation/bpf/btf.rst.
type btfType struct {
NameOff uint32
/* "info" bits arrangement
* bits 0-15: vlen (e.g. # of struct's members)
* bits 16-23: unused
* bits 24-27: kind (e.g. int, ptr, array...etc)
* bits 28-30: unused
* bit 31: kind_flag, currently used by
* struct, union and fwd
*/
Info uint32
/* "size" is used by INT, ENUM, STRUCT and UNION.
* "size" tells the size of the type it is describing.
*
* "type" is used by PTR, TYPEDEF, VOLATILE, CONST, RESTRICT,
* FUNC and FUNC_PROTO.
* "type" is a type_id referring to another type.
*/
SizeType uint32
}
func mask(len uint32) uint32 {
return (1 << len) - 1
}
func (bt *btfType) info(len, shift uint32) uint32 {
return (bt.Info >> shift) & mask(len)
}
func (bt *btfType) setInfo(value, len, shift uint32) {
bt.Info &^= mask(len) << shift
bt.Info |= (value & mask(len)) << shift
}
func (bt *btfType) Kind() btfKind {
return btfKind(bt.info(btfTypeKindLen, btfTypeKindShift))
}
func (bt *btfType) SetKind(kind btfKind) {
bt.setInfo(uint32(kind), btfTypeKindLen, btfTypeKindShift)
}
func (bt *btfType) Vlen() int {
return int(bt.info(btfTypeVlenMask, btfTypeVlenShift))
}
func (bt *btfType) SetVlen(vlen int) {
bt.setInfo(uint32(vlen), btfTypeVlenMask, btfTypeVlenShift)
}
func (bt *btfType) Type() TypeID {
// TODO: Panic here if wrong kind?
return TypeID(bt.SizeType)
}
func (bt *btfType) Size() uint32 {
// TODO: Panic here if wrong kind?
return bt.SizeType
}
type rawType struct {
btfType
data interface{}
}
func (rt *rawType) Marshal(w io.Writer, bo binary.ByteOrder) error {
if err := binary.Write(w, bo, &rt.btfType); err != nil {
return err
}
if rt.data == nil {
return nil
}
return binary.Write(w, bo, rt.data)
}
type btfArray struct {
Type TypeID
IndexType TypeID
Nelems uint32
}
type btfMember struct {
NameOff uint32
Type TypeID
Offset uint32
}
func readTypes(r io.Reader, bo binary.ByteOrder) ([]rawType, error) {
var (
header btfType
types []rawType
)
for id := TypeID(1); ; id++ {
if err := binary.Read(r, bo, &header); err == io.EOF {
return types, nil
} else if err != nil {
return nil, errors.Wrapf(err, "can't read type info for id %v", id)
}
var data interface{}
switch header.Kind() {
case kindInt:
// sizeof(uint32)
data = make([]byte, 4)
case kindPointer:
case kindArray:
data = new(btfArray)
case kindStruct:
fallthrough
case kindUnion:
data = make([]btfMember, header.Vlen())
case kindEnum:
// sizeof(struct btf_enum)
data = make([]byte, header.Vlen()*4*2)
case kindForward:
case kindTypedef:
case kindVolatile:
case kindConst:
case kindRestrict:
case kindFunc:
case kindFuncProto:
// sizeof(struct btf_param)
data = make([]byte, header.Vlen()*4*2)
case kindVar:
// sizeof(struct btf_variable)
data = make([]byte, 4)
case kindDatasec:
// sizeof(struct btf_var_secinfo)
data = make([]byte, header.Vlen()*4*3)
default:
return nil, errors.Errorf("type id %v: unknown kind: %v", id, header.Kind())
}
if data == nil {
types = append(types, rawType{header, nil})
continue
}
if err := binary.Read(r, bo, data); err != nil {
return nil, errors.Wrapf(err, "type id %d: kind %v: can't read %T", id, header.Kind(), data)
}
types = append(types, rawType{header, data})
}
}

8
vendor/github.com/cilium/ebpf/internal/btf/doc.go generated vendored Normal file
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// Package btf handles data encoded according to the BPF Type Format.
//
// The canonical documentation lives in the Linux kernel repository and is
// available at https://www.kernel.org/doc/html/latest/bpf/btf.html
//
// The API is very much unstable. You should only use this via the main
// ebpf library.
package btf

184
vendor/github.com/cilium/ebpf/internal/btf/ext_info.go generated vendored Normal file
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package btf
import (
"bytes"
"encoding/binary"
"io"
"io/ioutil"
"github.com/cilium/ebpf/asm"
"github.com/cilium/ebpf/internal"
"github.com/pkg/errors"
)
type btfExtHeader struct {
Magic uint16
Version uint8
Flags uint8
HdrLen uint32
FuncInfoOff uint32
FuncInfoLen uint32
LineInfoOff uint32
LineInfoLen uint32
}
func parseExtInfos(r io.ReadSeeker, bo binary.ByteOrder, strings stringTable) (funcInfo, lineInfo map[string]extInfo, err error) {
const expectedMagic = 0xeB9F
var header btfExtHeader
if err := binary.Read(r, bo, &header); err != nil {
return nil, nil, errors.Wrap(err, "can't read header")
}
if header.Magic != expectedMagic {
return nil, nil, errors.Errorf("incorrect magic value %v", header.Magic)
}
if header.Version != 1 {
return nil, nil, errors.Errorf("unexpected version %v", header.Version)
}
if header.Flags != 0 {
return nil, nil, errors.Errorf("unsupported flags %v", header.Flags)
}
remainder := int64(header.HdrLen) - int64(binary.Size(&header))
if remainder < 0 {
return nil, nil, errors.New("header is too short")
}
// Of course, the .BTF.ext header has different semantics than the
// .BTF ext header. We need to ignore non-null values.
_, err = io.CopyN(ioutil.Discard, r, remainder)
if err != nil {
return nil, nil, errors.Wrap(err, "header padding")
}
if _, err := r.Seek(int64(header.HdrLen+header.FuncInfoOff), io.SeekStart); err != nil {
return nil, nil, errors.Wrap(err, "can't seek to function info section")
}
funcInfo, err = parseExtInfo(io.LimitReader(r, int64(header.FuncInfoLen)), bo, strings)
if err != nil {
return nil, nil, errors.Wrap(err, "function info")
}
if _, err := r.Seek(int64(header.HdrLen+header.LineInfoOff), io.SeekStart); err != nil {
return nil, nil, errors.Wrap(err, "can't seek to line info section")
}
lineInfo, err = parseExtInfo(io.LimitReader(r, int64(header.LineInfoLen)), bo, strings)
if err != nil {
return nil, nil, errors.Wrap(err, "line info")
}
return funcInfo, lineInfo, nil
}
type btfExtInfoSec struct {
SecNameOff uint32
NumInfo uint32
}
type extInfoRecord struct {
InsnOff uint64
Opaque []byte
}
type extInfo struct {
recordSize uint32
records []extInfoRecord
}
func (ei extInfo) append(other extInfo, offset uint64) (extInfo, error) {
if other.recordSize != ei.recordSize {
return extInfo{}, errors.Errorf("ext_info record size mismatch, want %d (got %d)", ei.recordSize, other.recordSize)
}
records := make([]extInfoRecord, 0, len(ei.records)+len(other.records))
records = append(records, ei.records...)
for _, info := range other.records {
records = append(records, extInfoRecord{
InsnOff: info.InsnOff + offset,
Opaque: info.Opaque,
})
}
return extInfo{ei.recordSize, records}, nil
}
func (ei extInfo) MarshalBinary() ([]byte, error) {
if len(ei.records) == 0 {
return nil, nil
}
buf := bytes.NewBuffer(make([]byte, 0, int(ei.recordSize)*len(ei.records)))
for _, info := range ei.records {
// The kernel expects offsets in number of raw bpf instructions,
// while the ELF tracks it in bytes.
insnOff := uint32(info.InsnOff / asm.InstructionSize)
if err := binary.Write(buf, internal.NativeEndian, insnOff); err != nil {
return nil, errors.Wrap(err, "can't write instruction offset")
}
buf.Write(info.Opaque)
}
return buf.Bytes(), nil
}
func parseExtInfo(r io.Reader, bo binary.ByteOrder, strings stringTable) (map[string]extInfo, error) {
var recordSize uint32
if err := binary.Read(r, bo, &recordSize); err != nil {
return nil, errors.Wrap(err, "can't read record size")
}
if recordSize < 4 {
// Need at least insnOff
return nil, errors.New("record size too short")
}
result := make(map[string]extInfo)
for {
var infoHeader btfExtInfoSec
if err := binary.Read(r, bo, &infoHeader); err == io.EOF {
return result, nil
} else if err != nil {
return nil, errors.Wrap(err, "can't read ext info header")
}
secName, err := strings.Lookup(infoHeader.SecNameOff)
if err != nil {
return nil, errors.Wrap(err, "can't get section name")
}
if infoHeader.NumInfo == 0 {
return nil, errors.Errorf("section %s has invalid number of records", secName)
}
var records []extInfoRecord
for i := uint32(0); i < infoHeader.NumInfo; i++ {
var byteOff uint32
if err := binary.Read(r, bo, &byteOff); err != nil {
return nil, errors.Wrapf(err, "section %v: can't read extended info offset", secName)
}
buf := make([]byte, int(recordSize-4))
if _, err := io.ReadFull(r, buf); err != nil {
return nil, errors.Wrapf(err, "section %v: can't read record", secName)
}
if byteOff%asm.InstructionSize != 0 {
return nil, errors.Errorf("section %v: offset %v is not aligned with instruction size", secName, byteOff)
}
records = append(records, extInfoRecord{uint64(byteOff), buf})
}
result[secName] = extInfo{
recordSize,
records,
}
}
}

60
vendor/github.com/cilium/ebpf/internal/btf/strings.go generated vendored Normal file
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package btf
import (
"bytes"
"io"
"io/ioutil"
"github.com/pkg/errors"
)
type stringTable []byte
func readStringTable(r io.Reader) (stringTable, error) {
contents, err := ioutil.ReadAll(r)
if err != nil {
return nil, errors.Wrap(err, "can't read string table")
}
if len(contents) < 1 {
return nil, errors.New("string table is empty")
}
if contents[0] != '\x00' {
return nil, errors.New("first item in string table is non-empty")
}
if contents[len(contents)-1] != '\x00' {
return nil, errors.New("string table isn't null terminated")
}
return stringTable(contents), nil
}
func (st stringTable) Lookup(offset uint32) (string, error) {
if int64(offset) > int64(^uint(0)>>1) {
return "", errors.Errorf("offset %d overflows int", offset)
}
pos := int(offset)
if pos >= len(st) {
return "", errors.Errorf("offset %d is out of bounds", offset)
}
if pos > 0 && st[pos-1] != '\x00' {
return "", errors.Errorf("offset %d isn't start of a string", offset)
}
str := st[pos:]
end := bytes.IndexByte(str, '\x00')
if end == -1 {
return "", errors.Errorf("offset %d isn't null terminated", offset)
}
return string(str[:end]), nil
}
func (st stringTable) LookupName(offset uint32) (Name, error) {
str, err := st.Lookup(offset)
return Name(str), err
}

550
vendor/github.com/cilium/ebpf/internal/btf/types.go generated vendored Normal file
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package btf
import (
"math"
"github.com/pkg/errors"
)
const maxTypeDepth = 32
// TypeID identifies a type in a BTF section.
type TypeID uint32
// ID implements part of the Type interface.
func (tid TypeID) ID() TypeID {
return tid
}
// Type represents a type described by BTF.
type Type interface {
ID() TypeID
// Make a copy of the type, without copying Type members.
copy() Type
walk(*copyStack)
}
// Name identifies a type.
//
// Anonymous types have an empty name.
type Name string
func (n Name) name() string {
return string(n)
}
// Void is the unit type of BTF.
type Void struct{}
func (v Void) ID() TypeID { return 0 }
func (v Void) copy() Type { return Void{} }
func (v Void) walk(*copyStack) {}
// Int is an integer of a given length.
type Int struct {
TypeID
Name
// The size of the integer in bytes.
Size uint32
}
func (i *Int) size() uint32 { return i.Size }
func (i *Int) walk(*copyStack) {}
func (i *Int) copy() Type {
cpy := *i
return &cpy
}
// Pointer is a pointer to another type.
type Pointer struct {
TypeID
Target Type
}
func (p *Pointer) size() uint32 { return 8 }
func (p *Pointer) walk(cs *copyStack) { cs.push(&p.Target) }
func (p *Pointer) copy() Type {
cpy := *p
return &cpy
}
// Array is an array with a fixed number of elements.
type Array struct {
TypeID
Type Type
Nelems uint32
}
func (arr *Array) walk(cs *copyStack) { cs.push(&arr.Type) }
func (arr *Array) copy() Type {
cpy := *arr
return &cpy
}
// Struct is a compound type of consecutive members.
type Struct struct {
TypeID
Name
// The size of the struct including padding, in bytes
Size uint32
Members []Member
}
func (s *Struct) size() uint32 { return s.Size }
func (s *Struct) walk(cs *copyStack) {
for i := range s.Members {
cs.push(&s.Members[i].Type)
}
}
func (s *Struct) copy() Type {
cpy := *s
cpy.Members = copyMembers(cpy.Members)
return &cpy
}
// Union is a compound type where members occupy the same memory.
type Union struct {
TypeID
Name
// The size of the union including padding, in bytes.
Size uint32
Members []Member
}
func (u *Union) size() uint32 { return u.Size }
func (u *Union) walk(cs *copyStack) {
for i := range u.Members {
cs.push(&u.Members[i].Type)
}
}
func (u *Union) copy() Type {
cpy := *u
cpy.Members = copyMembers(cpy.Members)
return &cpy
}
// Member is part of a Struct or Union.
//
// It is not a valid Type.
type Member struct {
Name
Type Type
Offset uint32
}
func copyMembers(in []Member) []Member {
cpy := make([]Member, 0, len(in))
for _, member := range in {
cpy = append(cpy, member)
}
return cpy
}
// Enum lists possible values.
type Enum struct {
TypeID
Name
}
func (e *Enum) size() uint32 { return 4 }
func (e *Enum) walk(*copyStack) {}
func (e *Enum) copy() Type {
cpy := *e
return &cpy
}
// Fwd is a forward declaration of a Type.
type Fwd struct {
TypeID
Name
}
func (f *Fwd) walk(*copyStack) {}
func (f *Fwd) copy() Type {
cpy := *f
return &cpy
}
// Typedef is an alias of a Type.
type Typedef struct {
TypeID
Name
Type Type
}
func (td *Typedef) walk(cs *copyStack) { cs.push(&td.Type) }
func (td *Typedef) copy() Type {
cpy := *td
return &cpy
}
// Volatile is a modifier.
type Volatile struct {
TypeID
Type Type
}
func (v *Volatile) walk(cs *copyStack) { cs.push(&v.Type) }
func (v *Volatile) copy() Type {
cpy := *v
return &cpy
}
// Const is a modifier.
type Const struct {
TypeID
Type Type
}
func (c *Const) walk(cs *copyStack) { cs.push(&c.Type) }
func (c *Const) copy() Type {
cpy := *c
return &cpy
}
// Restrict is a modifier.
type Restrict struct {
TypeID
Type Type
}
func (r *Restrict) walk(cs *copyStack) { cs.push(&r.Type) }
func (r *Restrict) copy() Type {
cpy := *r
return &cpy
}
// Func is a function definition.
type Func struct {
TypeID
Name
Type Type
}
func (f *Func) walk(cs *copyStack) { cs.push(&f.Type) }
func (f *Func) copy() Type {
cpy := *f
return &cpy
}
// FuncProto is a function declaration.
type FuncProto struct {
TypeID
Return Type
// Parameters not supported yet
}
func (fp *FuncProto) walk(cs *copyStack) { cs.push(&fp.Return) }
func (fp *FuncProto) copy() Type {
cpy := *fp
return &cpy
}
// Var is a global variable.
type Var struct {
TypeID
Name
Type Type
}
func (v *Var) walk(cs *copyStack) { cs.push(&v.Type) }
func (v *Var) copy() Type {
cpy := *v
return &cpy
}
// Datasec is a global program section containing data.
type Datasec struct {
TypeID
Name
Size uint32
}
func (ds *Datasec) size() uint32 { return ds.Size }
func (ds *Datasec) walk(*copyStack) {}
func (ds *Datasec) copy() Type {
cpy := *ds
return &cpy
}
type sizer interface {
size() uint32
}
var (
_ sizer = (*Int)(nil)
_ sizer = (*Pointer)(nil)
_ sizer = (*Struct)(nil)
_ sizer = (*Union)(nil)
_ sizer = (*Enum)(nil)
_ sizer = (*Datasec)(nil)
)
// Sizeof returns the size of a type in bytes.
//
// Returns an error if the size can't be computed.
func Sizeof(typ Type) (int, error) {
var (
n = int64(1)
elem int64
)
for i := 0; i < maxTypeDepth; i++ {
switch v := typ.(type) {
case *Array:
if n > 0 && int64(v.Nelems) > math.MaxInt64/n {
return 0, errors.New("overflow")
}
// Arrays may be of zero length, which allows
// n to be zero as well.
n *= int64(v.Nelems)
typ = v.Type
continue
case sizer:
elem = int64(v.size())
case *Typedef:
typ = v.Type
continue
case *Volatile:
typ = v.Type
continue
case *Const:
typ = v.Type
continue
case *Restrict:
typ = v.Type
continue
default:
return 0, errors.Errorf("unrecognized type %T", typ)
}
if n > 0 && elem > math.MaxInt64/n {
return 0, errors.New("overflow")
}
size := n * elem
if int64(int(size)) != size {
return 0, errors.New("overflow")
}
return int(size), nil
}
return 0, errors.New("exceeded type depth")
}
// copy a Type recursively.
//
// typ may form a cycle.
func copyType(typ Type) Type {
var (
copies = make(map[Type]Type)
work copyStack
)
for t := &typ; t != nil; t = work.pop() {
// *t is the identity of the type.
if cpy := copies[*t]; cpy != nil {
*t = cpy
continue
}
cpy := (*t).copy()
copies[*t] = cpy
*t = cpy
// Mark any nested types for copying.
cpy.walk(&work)
}
return typ
}
// copyStack keeps track of pointers to types which still
// need to be copied.
type copyStack []*Type
// push adds a type to the stack.
func (cs *copyStack) push(t *Type) {
*cs = append(*cs, t)
}
// pop returns the topmost Type, or nil.
func (cs *copyStack) pop() *Type {
n := len(*cs)
if n == 0 {
return nil
}
t := (*cs)[n-1]
*cs = (*cs)[:n-1]
return t
}
type namer interface {
name() string
}
var _ namer = Name("")
// inflateRawTypes takes a list of raw btf types linked via type IDs, and turns
// it into a graph of Types connected via pointers.
//
// Returns a map of named types (so, where NameOff is non-zero). Since BTF ignores
// compilation units, multiple types may share the same name. A Type may form a
// cyclic graph by pointing at itself.
func inflateRawTypes(rawTypes []rawType, rawStrings stringTable) (namedTypes map[string][]Type, err error) {
type fixup struct {
id TypeID
typ *Type
}
var fixups []fixup
convertMembers := func(raw []btfMember) ([]Member, error) {
// NB: The fixup below relies on pre-allocating this array to
// work, since otherwise append might re-allocate members.
members := make([]Member, 0, len(raw))
for i, btfMember := range raw {
name, err := rawStrings.LookupName(btfMember.NameOff)
if err != nil {
return nil, errors.Wrapf(err, "can't get name for member %d", i)
}
members = append(members, Member{
Name: name,
Offset: btfMember.Offset,
})
}
for i := range members {
fixups = append(fixups, fixup{raw[i].Type, &members[i].Type})
}
return members, nil
}
types := make([]Type, 0, len(rawTypes))
types = append(types, Void{})
namedTypes = make(map[string][]Type)
for i, raw := range rawTypes {
var (
// Void is defined to always be type ID 0, and is thus
// omitted from BTF.
id = TypeID(i + 1)
typ Type
)
name, err := rawStrings.LookupName(raw.NameOff)
if err != nil {
return nil, errors.Wrapf(err, "can't get name for type id %d", id)
}
switch raw.Kind() {
case kindInt:
typ = &Int{id, name, raw.Size()}
case kindPointer:
ptr := &Pointer{id, nil}
fixups = append(fixups, fixup{raw.Type(), &ptr.Target})
typ = ptr
case kindArray:
btfArr := raw.data.(*btfArray)
// IndexType is unused according to btf.rst.
// Don't make it available right now.
arr := &Array{id, nil, btfArr.Nelems}
fixups = append(fixups, fixup{btfArr.Type, &arr.Type})
typ = arr
case kindStruct:
members, err := convertMembers(raw.data.([]btfMember))
if err != nil {
return nil, errors.Wrapf(err, "struct %s (id %d)", name, id)
}
typ = &Struct{id, name, raw.Size(), members}
case kindUnion:
members, err := convertMembers(raw.data.([]btfMember))
if err != nil {
return nil, errors.Wrapf(err, "union %s (id %d)", name, id)
}
typ = &Union{id, name, raw.Size(), members}
case kindEnum:
typ = &Enum{id, name}
case kindForward:
typ = &Fwd{id, name}
case kindTypedef:
typedef := &Typedef{id, name, nil}
fixups = append(fixups, fixup{raw.Type(), &typedef.Type})
typ = typedef
case kindVolatile:
volatile := &Volatile{id, nil}
fixups = append(fixups, fixup{raw.Type(), &volatile.Type})
typ = volatile
case kindConst:
cnst := &Const{id, nil}
fixups = append(fixups, fixup{raw.Type(), &cnst.Type})
typ = cnst
case kindRestrict:
restrict := &Restrict{id, nil}
fixups = append(fixups, fixup{raw.Type(), &restrict.Type})
typ = restrict
case kindFunc:
fn := &Func{id, name, nil}
fixups = append(fixups, fixup{raw.Type(), &fn.Type})
typ = fn
case kindFuncProto:
fp := &FuncProto{id, nil}
fixups = append(fixups, fixup{raw.Type(), &fp.Return})
typ = fp
case kindVar:
v := &Var{id, name, nil}
fixups = append(fixups, fixup{raw.Type(), &v.Type})
typ = v
case kindDatasec:
typ = &Datasec{id, name, raw.SizeType}
default:
return nil, errors.Errorf("type id %d: unknown kind: %v", id, raw.Kind())
}
types = append(types, typ)
if namer, ok := typ.(namer); ok {
if name := namer.name(); name != "" {
namedTypes[name] = append(namedTypes[name], typ)
}
}
}
for _, fixup := range fixups {
i := int(fixup.id)
if i >= len(types) {
return nil, errors.Errorf("reference to invalid type id: %d", fixup.id)
}
*fixup.typ = types[i]
}
return namedTypes, nil
}

50
vendor/github.com/cilium/ebpf/internal/errors.go generated vendored Normal file
View File

@ -0,0 +1,50 @@
package internal
import (
"bytes"
"fmt"
"strings"
"github.com/cilium/ebpf/internal/unix"
"github.com/pkg/errors"
)
// ErrorWithLog returns an error that includes logs from the
// kernel verifier.
//
// logErr should be the error returned by the syscall that generated
// the log. It is used to check for truncation of the output.
func ErrorWithLog(err error, log []byte, logErr error) error {
logStr := strings.Trim(CString(log), "\t\r\n ")
if errors.Cause(logErr) == unix.ENOSPC {
logStr += " (truncated...)"
}
return &loadError{err, logStr}
}
type loadError struct {
cause error
log string
}
func (le *loadError) Error() string {
if le.log == "" {
return le.cause.Error()
}
return fmt.Sprintf("%s: %s", le.cause, le.log)
}
func (le *loadError) Cause() error {
return le.cause
}
// CString turns a NUL / zero terminated byte buffer into a string.
func CString(in []byte) string {
inLen := bytes.IndexByte(in, 0)
if inLen == -1 {
return ""
}
return string(in[:inLen])
}

63
vendor/github.com/cilium/ebpf/internal/fd.go generated vendored Normal file
View File

@ -0,0 +1,63 @@
package internal
import (
"runtime"
"strconv"
"github.com/cilium/ebpf/internal/unix"
"github.com/pkg/errors"
)
var ErrClosedFd = errors.New("use of closed file descriptor")
type FD struct {
raw int64
}
func NewFD(value uint32) *FD {
fd := &FD{int64(value)}
runtime.SetFinalizer(fd, (*FD).Close)
return fd
}
func (fd *FD) String() string {
return strconv.FormatInt(fd.raw, 10)
}
func (fd *FD) Value() (uint32, error) {
if fd.raw < 0 {
return 0, ErrClosedFd
}
return uint32(fd.raw), nil
}
func (fd *FD) Close() error {
if fd.raw < 0 {
return nil
}
value := int(fd.raw)
fd.raw = -1
fd.Forget()
return unix.Close(value)
}
func (fd *FD) Forget() {
runtime.SetFinalizer(fd, nil)
}
func (fd *FD) Dup() (*FD, error) {
if fd.raw < 0 {
return nil, ErrClosedFd
}
dup, err := unix.FcntlInt(uintptr(fd.raw), unix.F_DUPFD_CLOEXEC, 0)
if err != nil {
return nil, errors.Wrap(err, "can't dup fd")
}
return NewFD(uint32(dup)), nil
}

16
vendor/github.com/cilium/ebpf/internal/io.go generated vendored Normal file
View File

@ -0,0 +1,16 @@
package internal
import "github.com/pkg/errors"
// DiscardZeroes makes sure that all written bytes are zero
// before discarding them.
type DiscardZeroes struct{}
func (DiscardZeroes) Write(p []byte) (int, error) {
for _, b := range p {
if b != 0 {
return 0, errors.New("encountered non-zero byte")
}
}
return len(p), nil
}

26
vendor/github.com/cilium/ebpf/internal/ptr.go generated vendored Normal file
View File

@ -0,0 +1,26 @@
package internal
import "unsafe"
// NewPointer creates a 64-bit pointer from an unsafe Pointer.
func NewPointer(ptr unsafe.Pointer) Pointer {
return Pointer{ptr: ptr}
}
// NewSlicePointer creates a 64-bit pointer from a byte slice.
func NewSlicePointer(buf []byte) Pointer {
if len(buf) == 0 {
return Pointer{}
}
return Pointer{ptr: unsafe.Pointer(&buf[0])}
}
// NewStringPointer creates a 64-bit pointer from a string.
func NewStringPointer(str string) Pointer {
if str == "" {
return Pointer{}
}
return Pointer{ptr: unsafe.Pointer(&[]byte(str)[0])}
}

6
vendor/github.com/cilium/ebpf/ptr_32_be.go → vendor/github.com/cilium/ebpf/internal/ptr_32_be.go generated vendored
View File

@ -1,14 +1,14 @@
// +build armbe mips mips64p32
package ebpf
package internal
import (
"unsafe"
)
// ptr wraps an unsafe.Pointer to be 64bit to
// Pointer wraps an unsafe.Pointer to be 64bit to
// conform to the syscall specification.
type syscallPtr struct {
type Pointer struct {
pad uint32
ptr unsafe.Pointer
}

6
vendor/github.com/cilium/ebpf/ptr_32_le.go → vendor/github.com/cilium/ebpf/internal/ptr_32_le.go generated vendored
View File

@ -1,14 +1,14 @@
// +build 386 amd64p32 arm mipsle mips64p32le
package ebpf
package internal
import (
"unsafe"
)
// ptr wraps an unsafe.Pointer to be 64bit to
// Pointer wraps an unsafe.Pointer to be 64bit to
// conform to the syscall specification.
type syscallPtr struct {
type Pointer struct {
ptr unsafe.Pointer
pad uint32
}

6
vendor/github.com/cilium/ebpf/ptr_64.go → vendor/github.com/cilium/ebpf/internal/ptr_64.go generated vendored
View File

@ -1,14 +1,14 @@
// +build !386,!amd64p32,!arm,!mipsle,!mips64p32le
// +build !armbe,!mips,!mips64p32
package ebpf
package internal
import (
"unsafe"
)
// ptr wraps an unsafe.Pointer to be 64bit to
// Pointer wraps an unsafe.Pointer to be 64bit to
// conform to the syscall specification.
type syscallPtr struct {
type Pointer struct {
ptr unsafe.Pointer
}

23
vendor/github.com/cilium/ebpf/internal/syscall.go generated vendored Normal file
View File

@ -0,0 +1,23 @@
package internal
import (
"runtime"
"unsafe"
"github.com/cilium/ebpf/internal/unix"
)
// BPF wraps SYS_BPF.
//
// Any pointers contained in attr must use the Pointer type from this package.
func BPF(cmd int, attr unsafe.Pointer, size uintptr) (uintptr, error) {
r1, _, errNo := unix.Syscall(unix.SYS_BPF, uintptr(cmd), uintptr(attr), size)
runtime.KeepAlive(attr)
var err error
if errNo != 0 {
err = errNo
}
return r1, err
}

28
vendor/github.com/cilium/ebpf/linker.go generated vendored
View File

@ -2,23 +2,35 @@ package ebpf
import (
"github.com/cilium/ebpf/asm"
"github.com/cilium/ebpf/internal/btf"
"github.com/pkg/errors"
)
// link resolves bpf-to-bpf calls.
//
// Each section may contain multiple functions / labels, and is only linked
// Each library may contain multiple functions / labels, and is only linked
// if the program being edited references one of these functions.
//
// Sections must not require linking themselves.
func link(insns asm.Instructions, sections ...asm.Instructions) (asm.Instructions, error) {
for _, section := range sections {
var err error
insns, err = linkSection(insns, section)
// Libraries must not require linking themselves.
func link(prog *ProgramSpec, libs []*ProgramSpec) error {
for _, lib := range libs {
insns, err := linkSection(prog.Instructions, lib.Instructions)
if err != nil {
return nil, err
return errors.Wrapf(err, "linking %s", lib.Name)
}
if len(insns) == len(prog.Instructions) {
continue
}
prog.Instructions = insns
if prog.BTF != nil && lib.BTF != nil {
if err := btf.ProgramAppend(prog.BTF, lib.BTF); err != nil {
return errors.Wrapf(err, "linking BTF of %s", lib.Name)
}
}
}
return insns, nil
return nil
}
func linkSection(insns, section asm.Instructions) (asm.Instructions, error) {

83
vendor/github.com/cilium/ebpf/map.go generated vendored
View File

@ -2,9 +2,9 @@ package ebpf
import (
"fmt"
"unsafe"
"github.com/cilium/ebpf/internal"
"github.com/cilium/ebpf/internal/btf"
"github.com/cilium/ebpf/internal/unix"
"github.com/pkg/errors"
@ -20,8 +20,12 @@ type MapSpec struct {
ValueSize uint32
MaxEntries uint32
Flags uint32
// InnerMap is used as a template for ArrayOfMaps and HashOfMaps
InnerMap *MapSpec
// The BTF associated with this map.
BTF *btf.Map
}
func (ms *MapSpec) String() string {
@ -50,7 +54,7 @@ func (ms *MapSpec) Copy() *MapSpec {
// if you require custom encoding.
type Map struct {
name string
fd *bpfFD
fd *internal.FD
abi MapABI
// Per CPU maps return values larger than the size in the spec
fullValueSize int
@ -63,11 +67,11 @@ func NewMapFromFD(fd int) (*Map, error) {
if fd < 0 {
return nil, errors.New("invalid fd")
}
bpfFd := newBPFFD(uint32(fd))
bpfFd := internal.NewFD(uint32(fd))
name, abi, err := newMapABIFromFd(bpfFd)
if err != nil {
bpfFd.forget()
bpfFd.Forget()
return nil, err
}
return newMap(bpfFd, name, abi)
@ -78,24 +82,37 @@ func NewMapFromFD(fd int) (*Map, error) {
// Creating a map for the first time will perform feature detection
// by creating small, temporary maps.
func NewMap(spec *MapSpec) (*Map, error) {
if spec.BTF == nil {
return newMapWithBTF(spec, nil)
}
handle, err := btf.NewHandle(btf.MapSpec(spec.BTF))
if err != nil && !btf.IsNotSupported(err) {
return nil, errors.Wrap(err, "can't load BTF")
}
return newMapWithBTF(spec, handle)
}
func newMapWithBTF(spec *MapSpec, handle *btf.Handle) (*Map, error) {
if spec.Type != ArrayOfMaps && spec.Type != HashOfMaps {
return createMap(spec, nil)
return createMap(spec, nil, handle)
}
if spec.InnerMap == nil {
return nil, errors.Errorf("%s requires InnerMap", spec.Type)
}
template, err := createMap(spec.InnerMap, nil)
template, err := createMap(spec.InnerMap, nil, handle)
if err != nil {
return nil, err
}
defer template.Close()
return createMap(spec, template.fd)
return createMap(spec, template.fd, handle)
}
func createMap(spec *MapSpec, inner *bpfFD) (*Map, error) {
func createMap(spec *MapSpec, inner *internal.FD, handle *btf.Handle) (*Map, error) {
spec = spec.Copy()
switch spec.Type {
@ -140,12 +157,18 @@ func createMap(spec *MapSpec, inner *bpfFD) (*Map, error) {
if inner != nil {
var err error
attr.innerMapFd, err = inner.value()
attr.innerMapFd, err = inner.Value()
if err != nil {
return nil, errors.Wrap(err, "map create")
}
}
if handle != nil && spec.BTF != nil {
attr.btfFd = uint32(handle.FD())
attr.btfKeyTypeID = btf.MapKey(spec.BTF).ID()
attr.btfValueTypeID = btf.MapValue(spec.BTF).ID()
}
name, err := newBPFObjName(spec.Name)
if err != nil {
return nil, errors.Wrap(err, "map create")
@ -163,7 +186,7 @@ func createMap(spec *MapSpec, inner *bpfFD) (*Map, error) {
return newMap(fd, spec.Name, newMapABIFromSpec(spec))
}
func newMap(fd *bpfFD, name string, abi *MapABI) (*Map, error) {
func newMap(fd *internal.FD, name string, abi *MapABI) (*Map, error) {
m := &Map{
name,
fd,
@ -251,12 +274,28 @@ func (m *Map) Lookup(key, valueOut interface{}) error {
}
}
// LookupAndDelete retrieves and deletes a value from a Map.
func (m *Map) LookupAndDelete(key, valueOut interface{}) error {
valuePtr, valueBytes := makeBuffer(valueOut, m.fullValueSize)
keyPtr, err := marshalPtr(key, int(m.abi.KeySize))
if err != nil {
return errors.WithMessage(err, "can't marshal key")
}
if err := bpfMapLookupAndDelete(m.fd, keyPtr, valuePtr); err != nil {
return errors.WithMessage(err, "lookup and delete and delete failed")
}
return unmarshalBytes(valueOut, valueBytes)
}
// LookupBytes gets a value from Map.
//
// Returns a nil value if a key doesn't exist.
func (m *Map) LookupBytes(key interface{}) ([]byte, error) {
valueBytes := make([]byte, m.fullValueSize)
valuePtr := newPtr(unsafe.Pointer(&valueBytes[0]))
valuePtr := internal.NewSlicePointer(valueBytes)
err := m.lookup(key, valuePtr)
if IsNotExist(err) {
@ -266,7 +305,7 @@ func (m *Map) LookupBytes(key interface{}) ([]byte, error) {
return valueBytes, err
}
func (m *Map) lookup(key interface{}, valueOut syscallPtr) error {
func (m *Map) lookup(key interface{}, valueOut internal.Pointer) error {
keyPtr, err := marshalPtr(key, int(m.abi.KeySize))
if err != nil {
return errors.WithMessage(err, "can't marshal key")
@ -304,7 +343,7 @@ func (m *Map) Update(key, value interface{}, flags MapUpdateFlags) error {
return errors.WithMessage(err, "can't marshal key")
}
var valuePtr syscallPtr
var valuePtr internal.Pointer
if m.abi.Type.hasPerCPUValue() {
valuePtr, err = marshalPerCPUValue(value, int(m.abi.ValueSize))
} else {
@ -355,7 +394,7 @@ func (m *Map) NextKey(key, nextKeyOut interface{}) error {
// Use Iterate if you want to traverse all entries in the map.
func (m *Map) NextKeyBytes(key interface{}) ([]byte, error) {
nextKey := make([]byte, m.abi.KeySize)
nextKeyPtr := newPtr(unsafe.Pointer(&nextKey[0]))
nextKeyPtr := internal.NewSlicePointer(nextKey)
err := m.nextKey(key, nextKeyPtr)
if IsNotExist(err) {
@ -365,9 +404,9 @@ func (m *Map) NextKeyBytes(key interface{}) ([]byte, error) {
return nextKey, err
}
func (m *Map) nextKey(key interface{}, nextKeyOut syscallPtr) error {
func (m *Map) nextKey(key interface{}, nextKeyOut internal.Pointer) error {
var (
keyPtr syscallPtr
keyPtr internal.Pointer
err error
)
@ -400,14 +439,14 @@ func (m *Map) Close() error {
return nil
}
return m.fd.close()
return m.fd.Close()
}
// FD gets the file descriptor of the Map.
//
// Calling this function is invalid after Close has been called.
func (m *Map) FD() int {
fd, err := m.fd.value()
fd, err := m.fd.Value()
if err != nil {
// Best effort: -1 is the number most likely to be an
// invalid file descriptor.
@ -428,7 +467,7 @@ func (m *Map) Clone() (*Map, error) {
return nil, nil
}
dup, err := m.fd.dup()
dup, err := m.fd.Dup()
if err != nil {
return nil, errors.Wrap(err, "can't clone map")
}
@ -454,7 +493,7 @@ func LoadPinnedMap(fileName string) (*Map, error) {
}
name, abi, err := newMapABIFromFd(fd)
if err != nil {
_ = fd.close()
_ = fd.Close()
return nil, err
}
return newMap(fd, name, abi)
@ -484,7 +523,7 @@ func unmarshalMap(buf []byte) (*Map, error) {
name, abi, err := newMapABIFromFd(fd)
if err != nil {
_ = fd.close()
_ = fd.Close()
return nil, err
}
@ -493,7 +532,7 @@ func unmarshalMap(buf []byte) (*Map, error) {
// MarshalBinary implements BinaryMarshaler.
func (m *Map) MarshalBinary() ([]byte, error) {
fd, err := m.fd.value()
fd, err := m.fd.Value()
if err != nil {
return nil, err
}

33
vendor/github.com/cilium/ebpf/marshalers.go generated vendored
View File

@ -13,17 +13,24 @@ import (
"github.com/pkg/errors"
)
func marshalPtr(data interface{}, length int) (syscallPtr, error) {
func marshalPtr(data interface{}, length int) (internal.Pointer, error) {
if data == nil {
if length == 0 {
return internal.NewPointer(nil), nil
}
return internal.Pointer{}, errors.New("can't use nil as key of map")
}
if ptr, ok := data.(unsafe.Pointer); ok {
return newPtr(ptr), nil
return internal.NewPointer(ptr), nil
}
buf, err := marshalBytes(data, length)
if err != nil {
return syscallPtr{}, err
return internal.Pointer{}, err
}
return newPtr(unsafe.Pointer(&buf[0])), nil
return internal.NewSlicePointer(buf), nil
}
func marshalBytes(data interface{}, length int) (buf []byte, err error) {
@ -52,13 +59,13 @@ func marshalBytes(data interface{}, length int) (buf []byte, err error) {
return buf, nil
}
func makeBuffer(dst interface{}, length int) (syscallPtr, []byte) {
func makeBuffer(dst interface{}, length int) (internal.Pointer, []byte) {
if ptr, ok := dst.(unsafe.Pointer); ok {
return newPtr(ptr), nil
return internal.NewPointer(ptr), nil
}
buf := make([]byte, length)
return newPtr(unsafe.Pointer(&buf[0])), buf
return internal.NewSlicePointer(buf), buf
}
func unmarshalBytes(data interface{}, buf []byte) error {
@ -99,21 +106,21 @@ func unmarshalBytes(data interface{}, buf []byte) error {
// Values are initialized to zero if the slice has less elements than CPUs.
//
// slice must have a type like []elementType.
func marshalPerCPUValue(slice interface{}, elemLength int) (syscallPtr, error) {
func marshalPerCPUValue(slice interface{}, elemLength int) (internal.Pointer, error) {
sliceType := reflect.TypeOf(slice)
if sliceType.Kind() != reflect.Slice {
return syscallPtr{}, errors.New("per-CPU value requires slice")
return internal.Pointer{}, errors.New("per-CPU value requires slice")
}
possibleCPUs, err := internal.PossibleCPUs()
if err != nil {
return syscallPtr{}, err
return internal.Pointer{}, err
}
sliceValue := reflect.ValueOf(slice)
sliceLen := sliceValue.Len()
if sliceLen > possibleCPUs {
return syscallPtr{}, errors.Errorf("per-CPU value exceeds number of CPUs")
return internal.Pointer{}, errors.Errorf("per-CPU value exceeds number of CPUs")
}
alignedElemLength := align(elemLength, 8)
@ -123,14 +130,14 @@ func marshalPerCPUValue(slice interface{}, elemLength int) (syscallPtr, error) {
elem := sliceValue.Index(i).Interface()
elemBytes, err := marshalBytes(elem, elemLength)
if err != nil {
return syscallPtr{}, err
return internal.Pointer{}, err
}
offset := i * alignedElemLength
copy(buf[offset:offset+elemLength], elemBytes)
}
return newPtr(unsafe.Pointer(&buf[0])), nil
return internal.NewSlicePointer(buf), nil
}
// unmarshalPerCPUValue decodes a buffer into a slice containing one value per

120
vendor/github.com/cilium/ebpf/prog.go generated vendored
View File

@ -10,6 +10,7 @@ import (
"github.com/cilium/ebpf/asm"
"github.com/cilium/ebpf/internal"
"github.com/cilium/ebpf/internal/btf"
"github.com/cilium/ebpf/internal/unix"
"github.com/pkg/errors"
@ -46,6 +47,11 @@ type ProgramSpec struct {
Instructions asm.Instructions
License string
KernelVersion uint32
// The BTF associated with this program. Changing Instructions
// will most likely invalidate the contained data, and may
// result in errors when attempting to load it into the kernel.
BTF *btf.Program
}
// Copy returns a copy of the spec.
@ -68,7 +74,7 @@ type Program struct {
// otherwise it is empty.
VerifierLog string
fd *bpfFD
fd *internal.FD
name string
abi ProgramABI
}
@ -86,7 +92,20 @@ func NewProgram(spec *ProgramSpec) (*Program, error) {
// Loading a program for the first time will perform
// feature detection by loading small, temporary programs.
func NewProgramWithOptions(spec *ProgramSpec, opts ProgramOptions) (*Program, error) {
attr, err := convertProgramSpec(spec)
if spec.BTF == nil {
return newProgramWithBTF(spec, nil, opts)
}
handle, err := btf.NewHandle(btf.ProgramSpec(spec.BTF))
if err != nil && !btf.IsNotSupported(err) {
return nil, errors.Wrap(err, "can't load BTF")
}
return newProgramWithBTF(spec, handle, opts)
}
func newProgramWithBTF(spec *ProgramSpec, btf *btf.Handle, opts ProgramOptions) (*Program, error) {
attr, err := convertProgramSpec(spec, btf)
if err != nil {
return nil, err
}
@ -101,34 +120,28 @@ func NewProgramWithOptions(spec *ProgramSpec, opts ProgramOptions) (*Program, er
logBuf = make([]byte, logSize)
attr.logLevel = opts.LogLevel
attr.logSize = uint32(len(logBuf))
attr.logBuf = newPtr(unsafe.Pointer(&logBuf[0]))
attr.logBuf = internal.NewSlicePointer(logBuf)
}
fd, err := bpfProgLoad(attr)
if err == nil {
prog := newProgram(fd, spec.Name, &ProgramABI{spec.Type})
prog.VerifierLog = convertCString(logBuf)
prog.VerifierLog = internal.CString(logBuf)
return prog, nil
}
truncated := errors.Cause(err) == unix.ENOSPC
if opts.LogLevel == 0 {
// Re-run with the verifier enabled to get better error messages.
logBuf = make([]byte, logSize)
attr.logLevel = 1
attr.logSize = uint32(len(logBuf))
attr.logBuf = newPtr(unsafe.Pointer(&logBuf[0]))
attr.logBuf = internal.NewSlicePointer(logBuf)
_, nerr := bpfProgLoad(attr)
truncated = errors.Cause(nerr) == unix.ENOSPC
_, logErr := bpfProgLoad(attr)
err = internal.ErrorWithLog(err, logBuf, logErr)
}
logs := convertCString(logBuf)
if truncated {
logs += "\n(truncated...)"
}
return nil, &loadError{err, logs}
return nil, errors.Wrap(err, "can't load program")
}
// NewProgramFromFD creates a program from a raw fd.
@ -140,18 +153,18 @@ func NewProgramFromFD(fd int) (*Program, error) {
if fd < 0 {
return nil, errors.New("invalid fd")
}
bpfFd := newBPFFD(uint32(fd))
bpfFd := internal.NewFD(uint32(fd))
name, abi, err := newProgramABIFromFd(bpfFd)
if err != nil {
bpfFd.forget()
bpfFd.Forget()
return nil, err
}
return newProgram(bpfFd, name, abi), nil
}
func newProgram(fd *bpfFD, name string, abi *ProgramABI) *Program {
func newProgram(fd *internal.FD, name string, abi *ProgramABI) *Program {
return &Program{
name: name,
fd: fd,
@ -159,7 +172,7 @@ func newProgram(fd *bpfFD, name string, abi *ProgramABI) *Program {
}
}
func convertProgramSpec(spec *ProgramSpec) (*bpfProgLoadAttr, error) {
func convertProgramSpec(spec *ProgramSpec, handle *btf.Handle) (*bpfProgLoadAttr, error) {
if len(spec.Instructions) == 0 {
return nil, errors.New("Instructions cannot be empty")
}
@ -176,13 +189,12 @@ func convertProgramSpec(spec *ProgramSpec) (*bpfProgLoadAttr, error) {
bytecode := buf.Bytes()
insCount := uint32(len(bytecode) / asm.InstructionSize)
lic := []byte(spec.License)
attr := &bpfProgLoadAttr{
progType: spec.Type,
expectedAttachType: spec.AttachType,
insCount: insCount,
instructions: newPtr(unsafe.Pointer(&bytecode[0])),
license: newPtr(unsafe.Pointer(&lic[0])),
instructions: internal.NewSlicePointer(bytecode),
license: internal.NewStringPointer(spec.License),
}
name, err := newBPFObjName(spec.Name)
@ -194,6 +206,26 @@ func convertProgramSpec(spec *ProgramSpec) (*bpfProgLoadAttr, error) {
attr.progName = name
}
if handle != nil && spec.BTF != nil {
attr.progBTFFd = uint32(handle.FD())
recSize, bytes, err := btf.ProgramLineInfos(spec.BTF)
if err != nil {
return nil, errors.Wrap(err, "can't get BTF line infos")
}
attr.lineInfoRecSize = recSize
attr.lineInfoCnt = uint32(uint64(len(bytes)) / uint64(recSize))
attr.lineInfo = internal.NewSlicePointer(bytes)
recSize, bytes, err = btf.ProgramFuncInfos(spec.BTF)
if err != nil {
return nil, errors.Wrap(err, "can't get BTF function infos")
}
attr.funcInfoRecSize = recSize
attr.funcInfoCnt = uint32(uint64(len(bytes)) / uint64(recSize))
attr.funcInfo = internal.NewSlicePointer(bytes)
}
return attr, nil
}
@ -213,7 +245,7 @@ func (p *Program) ABI() ProgramABI {
//
// It is invalid to call this function after Close has been called.
func (p *Program) FD() int {
fd, err := p.fd.value()
fd, err := p.fd.Value()
if err != nil {
// Best effort: -1 is the number most likely to be an
// invalid file descriptor.
@ -233,7 +265,7 @@ func (p *Program) Clone() (*Program, error) {
return nil, nil
}
dup, err := p.fd.dup()
dup, err := p.fd.Dup()
if err != nil {
return nil, errors.Wrap(err, "can't clone program")
}
@ -254,7 +286,7 @@ func (p *Program) Close() error {
return nil
}
return p.fd.close()
return p.fd.Close()
}
// Test runs the Program in the kernel with the given input and returns the
@ -296,7 +328,7 @@ var haveProgTestRun = internal.FeatureTest("BPF_PROG_TEST_RUN", "4.12", func() b
}
defer prog.Close()
fd, err := prog.fd.value()
fd, err := prog.fd.Value()
if err != nil {
return false
}
@ -306,10 +338,10 @@ var haveProgTestRun = internal.FeatureTest("BPF_PROG_TEST_RUN", "4.12", func() b
attr := bpfProgTestRunAttr{
fd: fd,
dataSizeIn: uint32(len(in)),
dataIn: newPtr(unsafe.Pointer(&in[0])),
dataIn: internal.NewSlicePointer(in),
}
_, err = bpfCall(_ProgTestRun, unsafe.Pointer(&attr), unsafe.Sizeof(attr))
_, err = internal.BPF(_ProgTestRun, unsafe.Pointer(&attr), unsafe.Sizeof(attr))
// Check for EINVAL specifically, rather than err != nil since we
// otherwise misdetect due to insufficient permissions.
@ -340,7 +372,7 @@ func (p *Program) testRun(in []byte, repeat int) (uint32, []byte, time.Duration,
// See https://patchwork.ozlabs.org/cover/1006822/
out := make([]byte, len(in)+outputPad)
fd, err := p.fd.value()
fd, err := p.fd.Value()
if err != nil {
return 0, nil, 0, err
}
@ -349,12 +381,12 @@ func (p *Program) testRun(in []byte, repeat int) (uint32, []byte, time.Duration,
fd: fd,
dataSizeIn: uint32(len(in)),
dataSizeOut: uint32(len(out)),
dataIn: newPtr(unsafe.Pointer(&in[0])),
dataOut: newPtr(unsafe.Pointer(&out[0])),
dataIn: internal.NewSlicePointer(in),
dataOut: internal.NewSlicePointer(out),
repeat: uint32(repeat),
}
_, err = bpfCall(_ProgTestRun, unsafe.Pointer(&attr), unsafe.Sizeof(attr))
_, err = internal.BPF(_ProgTestRun, unsafe.Pointer(&attr), unsafe.Sizeof(attr))
if err != nil {
return 0, nil, 0, errors.Wrap(err, "can't run test")
}
@ -385,7 +417,7 @@ func unmarshalProgram(buf []byte) (*Program, error) {
name, abi, err := newProgramABIFromFd(fd)
if err != nil {
_ = fd.close()
_ = fd.Close()
return nil, err
}
@ -394,7 +426,7 @@ func unmarshalProgram(buf []byte) (*Program, error) {
// MarshalBinary implements BinaryMarshaler.
func (p *Program) MarshalBinary() ([]byte, error) {
value, err := p.fd.value()
value, err := p.fd.Value()
if err != nil {
return nil, err
}
@ -410,7 +442,7 @@ func (p *Program) Attach(fd int, typ AttachType, flags AttachFlags) error {
return errors.New("invalid fd")
}
pfd, err := p.fd.value()
pfd, err := p.fd.Value()
if err != nil {
return err
}
@ -431,7 +463,7 @@ func (p *Program) Detach(fd int, typ AttachType, flags AttachFlags) error {
return errors.New("invalid fd")
}
pfd, err := p.fd.value()
pfd, err := p.fd.Value()
if err != nil {
return err
}
@ -457,7 +489,7 @@ func LoadPinnedProgram(fileName string) (*Program, error) {
name, abi, err := newProgramABIFromFd(fd)
if err != nil {
_ = fd.close()
_ = fd.Close()
return nil, errors.Wrapf(err, "can't get ABI for %s", fileName)
}
@ -480,22 +512,6 @@ func SanitizeName(name string, replacement rune) string {
}, name)
}
type loadError struct {
cause error
verifierLog string
}
func (le *loadError) Error() string {
if le.verifierLog == "" {
return fmt.Sprintf("failed to load program: %s", le.cause)
}
return fmt.Sprintf("failed to load program: %s: %s", le.cause, le.verifierLog)
}
func (le *loadError) Cause() error {
return le.cause
}
// IsNotSupported returns true if an error occurred because
// the kernel does not have support for a specific feature.
func IsNotSupported(err error) bool {

235
vendor/github.com/cilium/ebpf/syscalls.go generated vendored
View File

@ -1,72 +1,17 @@
package ebpf
import (
"bytes"
"path/filepath"
"runtime"
"strconv"
"strings"
"unsafe"
"github.com/cilium/ebpf/internal"
"github.com/cilium/ebpf/internal/btf"
"github.com/cilium/ebpf/internal/unix"
"github.com/pkg/errors"
)
var errClosedFd = errors.New("use of closed file descriptor")
type bpfFD struct {
raw int64
}
func newBPFFD(value uint32) *bpfFD {
fd := &bpfFD{int64(value)}
runtime.SetFinalizer(fd, (*bpfFD).close)
return fd
}
func (fd *bpfFD) String() string {
return strconv.FormatInt(fd.raw, 10)
}
func (fd *bpfFD) value() (uint32, error) {
if fd.raw < 0 {
return 0, errClosedFd
}
return uint32(fd.raw), nil
}
func (fd *bpfFD) close() error {
if fd.raw < 0 {
return nil
}
value := int(fd.raw)
fd.raw = -1
fd.forget()
return unix.Close(value)
}
func (fd *bpfFD) forget() {
runtime.SetFinalizer(fd, nil)
}
func (fd *bpfFD) dup() (*bpfFD, error) {
if fd.raw < 0 {
return nil, errClosedFd
}
dup, err := unix.FcntlInt(uintptr(fd.raw), unix.F_DUPFD_CLOEXEC, 0)
if err != nil {
return nil, errors.Wrap(err, "can't dup fd")
}
return newBPFFD(uint32(dup)), nil
}
// bpfObjName is a null-terminated string made up of
// 'A-Za-z0-9_' characters.
type bpfObjName [unix.BPF_OBJ_NAME_LEN]byte
@ -99,21 +44,25 @@ func invalidBPFObjNameChar(char rune) bool {
}
type bpfMapCreateAttr struct {
mapType MapType
keySize uint32
valueSize uint32
maxEntries uint32
flags uint32
innerMapFd uint32 // since 4.12 56f668dfe00d
numaNode uint32 // since 4.14 96eabe7a40aa
mapName bpfObjName // since 4.15 ad5b177bd73f
mapType MapType
keySize uint32
valueSize uint32
maxEntries uint32
flags uint32
innerMapFd uint32 // since 4.12 56f668dfe00d
numaNode uint32 // since 4.14 96eabe7a40aa
mapName bpfObjName // since 4.15 ad5b177bd73f
mapIfIndex uint32
btfFd uint32
btfKeyTypeID btf.TypeID
btfValueTypeID btf.TypeID
}
type bpfMapOpAttr struct {
mapFd uint32
padding uint32
key syscallPtr
value syscallPtr
key internal.Pointer
value internal.Pointer
flags uint64
}
@ -128,7 +77,7 @@ type bpfMapInfo struct {
}
type bpfPinObjAttr struct {
fileName syscallPtr
fileName internal.Pointer
fd uint32
padding uint32
}
@ -136,16 +85,23 @@ type bpfPinObjAttr struct {
type bpfProgLoadAttr struct {
progType ProgramType
insCount uint32
instructions syscallPtr
license syscallPtr
instructions internal.Pointer
license internal.Pointer
logLevel uint32
logSize uint32
logBuf syscallPtr
logBuf internal.Pointer
kernelVersion uint32 // since 4.1 2541517c32be
progFlags uint32 // since 4.11 e07b98d9bffe
progName bpfObjName // since 4.15 067cae47771c
progIfIndex uint32 // since 4.15 1f6f4cb7ba21
expectedAttachType AttachType // since 4.17 5e43f899b03a
progBTFFd uint32
funcInfoRecSize uint32
funcInfo internal.Pointer
funcInfoCnt uint32
lineInfoRecSize uint32
lineInfo internal.Pointer
lineInfoCnt uint32
}
type bpfProgInfo struct {
@ -154,12 +110,12 @@ type bpfProgInfo struct {
tag [unix.BPF_TAG_SIZE]byte
jitedLen uint32
xlatedLen uint32
jited syscallPtr
xlated syscallPtr
jited internal.Pointer
xlated internal.Pointer
loadTime uint64 // since 4.15 cb4d2b3f03d8
createdByUID uint32
nrMapIDs uint32
mapIds syscallPtr
mapIds internal.Pointer
name bpfObjName
}
@ -168,8 +124,8 @@ type bpfProgTestRunAttr struct {
retval uint32
dataSizeIn uint32
dataSizeOut uint32
dataIn syscallPtr
dataOut syscallPtr
dataIn internal.Pointer
dataOut internal.Pointer
repeat uint32
duration uint32
}
@ -184,7 +140,7 @@ type bpfProgAlterAttr struct {
type bpfObjGetInfoByFDAttr struct {
fd uint32
infoLen uint32
info syscallPtr // May be either bpfMapInfo or bpfProgInfo
info internal.Pointer // May be either bpfMapInfo or bpfProgInfo
}
type bpfGetFDByIDAttr struct {
@ -192,13 +148,9 @@ type bpfGetFDByIDAttr struct {
next uint32
}
func newPtr(ptr unsafe.Pointer) syscallPtr {
return syscallPtr{ptr: ptr}
}
func bpfProgLoad(attr *bpfProgLoadAttr) (*bpfFD, error) {
func bpfProgLoad(attr *bpfProgLoadAttr) (*internal.FD, error) {
for {
fd, err := bpfCall(_ProgLoad, unsafe.Pointer(attr), unsafe.Sizeof(*attr))
fd, err := internal.BPF(_ProgLoad, unsafe.Pointer(attr), unsafe.Sizeof(*attr))
// As of ~4.20 the verifier can be interrupted by a signal,
// and returns EAGAIN in that case.
if err == unix.EAGAIN {
@ -209,22 +161,22 @@ func bpfProgLoad(attr *bpfProgLoadAttr) (*bpfFD, error) {
return nil, err
}
return newBPFFD(uint32(fd)), nil
return internal.NewFD(uint32(fd)), nil
}
}
func bpfProgAlter(cmd int, attr *bpfProgAlterAttr) error {
_, err := bpfCall(cmd, unsafe.Pointer(attr), unsafe.Sizeof(*attr))
_, err := internal.BPF(cmd, unsafe.Pointer(attr), unsafe.Sizeof(*attr))
return err
}
func bpfMapCreate(attr *bpfMapCreateAttr) (*bpfFD, error) {
fd, err := bpfCall(_MapCreate, unsafe.Pointer(attr), unsafe.Sizeof(*attr))
func bpfMapCreate(attr *bpfMapCreateAttr) (*internal.FD, error) {
fd, err := internal.BPF(_MapCreate, unsafe.Pointer(attr), unsafe.Sizeof(*attr))
if err != nil {
return nil, err
}
return newBPFFD(uint32(fd)), nil
return internal.NewFD(uint32(fd)), nil
}
var haveNestedMaps = internal.FeatureTest("nested maps", "4.12", func() bool {
@ -237,9 +189,9 @@ var haveNestedMaps = internal.FeatureTest("nested maps", "4.12", func() bool {
if err != nil {
return false
}
defer inner.close()
defer inner.Close()
innerFd, _ := inner.value()
innerFd, _ := inner.Value()
nested, err := bpfMapCreate(&bpfMapCreateAttr{
mapType: ArrayOfMaps,
keySize: 4,
@ -251,12 +203,12 @@ var haveNestedMaps = internal.FeatureTest("nested maps", "4.12", func() bool {
return false
}
_ = nested.close()
_ = nested.Close()
return true
})
func bpfMapLookupElem(m *bpfFD, key, valueOut syscallPtr) error {
fd, err := m.value()
func bpfMapLookupElem(m *internal.FD, key, valueOut internal.Pointer) error {
fd, err := m.Value()
if err != nil {
return err
}
@ -266,12 +218,27 @@ func bpfMapLookupElem(m *bpfFD, key, valueOut syscallPtr) error {
key: key,
value: valueOut,
}
_, err = bpfCall(_MapLookupElem, unsafe.Pointer(&attr), unsafe.Sizeof(attr))
_, err = internal.BPF(_MapLookupElem, unsafe.Pointer(&attr), unsafe.Sizeof(attr))
return err
}
func bpfMapUpdateElem(m *bpfFD, key, valueOut syscallPtr, flags uint64) error {
fd, err := m.value()
func bpfMapLookupAndDelete(m *internal.FD, key, valueOut internal.Pointer) error {
fd, err := m.Value()
if err != nil {
return err
}
attr := bpfMapOpAttr{
mapFd: fd,
key: key,
value: valueOut,
}
_, err = internal.BPF(_MapLookupAndDeleteElem, unsafe.Pointer(&attr), unsafe.Sizeof(attr))
return err
}
func bpfMapUpdateElem(m *internal.FD, key, valueOut internal.Pointer, flags uint64) error {
fd, err := m.Value()
if err != nil {
return err
}
@ -282,12 +249,12 @@ func bpfMapUpdateElem(m *bpfFD, key, valueOut syscallPtr, flags uint64) error {
value: valueOut,
flags: flags,
}
_, err = bpfCall(_MapUpdateElem, unsafe.Pointer(&attr), unsafe.Sizeof(attr))
_, err = internal.BPF(_MapUpdateElem, unsafe.Pointer(&attr), unsafe.Sizeof(attr))
return err
}
func bpfMapDeleteElem(m *bpfFD, key syscallPtr) error {
fd, err := m.value()
func bpfMapDeleteElem(m *internal.FD, key internal.Pointer) error {
fd, err := m.Value()
if err != nil {
return err
}
@ -296,12 +263,12 @@ func bpfMapDeleteElem(m *bpfFD, key syscallPtr) error {
mapFd: fd,
key: key,
}
_, err = bpfCall(_MapDeleteElem, unsafe.Pointer(&attr), unsafe.Sizeof(attr))
_, err = internal.BPF(_MapDeleteElem, unsafe.Pointer(&attr), unsafe.Sizeof(attr))
return err
}
func bpfMapGetNextKey(m *bpfFD, key, nextKeyOut syscallPtr) error {
fd, err := m.value()
func bpfMapGetNextKey(m *internal.FD, key, nextKeyOut internal.Pointer) error {
fd, err := m.Value()
if err != nil {
return err
}
@ -311,13 +278,13 @@ func bpfMapGetNextKey(m *bpfFD, key, nextKeyOut syscallPtr) error {
key: key,
value: nextKeyOut,
}
_, err = bpfCall(_MapGetNextKey, unsafe.Pointer(&attr), unsafe.Sizeof(attr))
_, err = internal.BPF(_MapGetNextKey, unsafe.Pointer(&attr), unsafe.Sizeof(attr))
return err
}
const bpfFSType = 0xcafe4a11
func bpfPinObject(fileName string, fd *bpfFD) error {
func bpfPinObject(fileName string, fd *internal.FD) error {
dirName := filepath.Dir(fileName)
var statfs unix.Statfs_t
if err := unix.Statfs(dirName, &statfs); err != nil {
@ -327,30 +294,30 @@ func bpfPinObject(fileName string, fd *bpfFD) error {
return errors.Errorf("%s is not on a bpf filesystem", fileName)
}
value, err := fd.value()
value, err := fd.Value()
if err != nil {
return err
}
_, err = bpfCall(_ObjPin, unsafe.Pointer(&bpfPinObjAttr{
fileName: newPtr(unsafe.Pointer(&[]byte(fileName)[0])),
_, err = internal.BPF(_ObjPin, unsafe.Pointer(&bpfPinObjAttr{
fileName: internal.NewStringPointer(fileName),
fd: value,
}), 16)
return errors.Wrapf(err, "pin object %s", fileName)
}
func bpfGetObject(fileName string) (*bpfFD, error) {
ptr, err := bpfCall(_ObjGet, unsafe.Pointer(&bpfPinObjAttr{
fileName: newPtr(unsafe.Pointer(&[]byte(fileName)[0])),
func bpfGetObject(fileName string) (*internal.FD, error) {
ptr, err := internal.BPF(_ObjGet, unsafe.Pointer(&bpfPinObjAttr{
fileName: internal.NewStringPointer(fileName),
}), 16)
if err != nil {
return nil, errors.Wrapf(err, "get object %s", fileName)
}
return newBPFFD(uint32(ptr)), nil
return internal.NewFD(uint32(ptr)), nil
}
func bpfGetObjectInfoByFD(fd *bpfFD, info unsafe.Pointer, size uintptr) error {
value, err := fd.value()
func bpfGetObjectInfoByFD(fd *internal.FD, info unsafe.Pointer, size uintptr) error {
value, err := fd.Value()
if err != nil {
return err
}
@ -359,19 +326,19 @@ func bpfGetObjectInfoByFD(fd *bpfFD, info unsafe.Pointer, size uintptr) error {
attr := bpfObjGetInfoByFDAttr{
fd: value,
infoLen: uint32(size),
info: newPtr(info),
info: internal.NewPointer(info),
}
_, err = bpfCall(_ObjGetInfoByFD, unsafe.Pointer(&attr), unsafe.Sizeof(attr))
return errors.Wrapf(err, "fd %d", value)
_, err = internal.BPF(_ObjGetInfoByFD, unsafe.Pointer(&attr), unsafe.Sizeof(attr))
return errors.Wrapf(err, "fd %d", fd)
}
func bpfGetProgInfoByFD(fd *bpfFD) (*bpfProgInfo, error) {
func bpfGetProgInfoByFD(fd *internal.FD) (*bpfProgInfo, error) {
var info bpfProgInfo
err := bpfGetObjectInfoByFD(fd, unsafe.Pointer(&info), unsafe.Sizeof(info))
return &info, errors.Wrap(err, "can't get program info")
}
func bpfGetMapInfoByFD(fd *bpfFD) (*bpfMapInfo, error) {
func bpfGetMapInfoByFD(fd *internal.FD) (*bpfMapInfo, error) {
var info bpfMapInfo
err := bpfGetObjectInfoByFD(fd, unsafe.Pointer(&info), unsafe.Sizeof(info))
return &info, errors.Wrap(err, "can't get map info")
@ -398,50 +365,30 @@ var haveObjName = internal.FeatureTest("object names", "4.15", func() bool {
return false
}
_ = fd.close()
_ = fd.Close()
return true
})
func bpfGetMapFDByID(id uint32) (*bpfFD, error) {
func bpfGetMapFDByID(id uint32) (*internal.FD, error) {
// available from 4.13
attr := bpfGetFDByIDAttr{
id: id,
}
ptr, err := bpfCall(_MapGetFDByID, unsafe.Pointer(&attr), unsafe.Sizeof(attr))
ptr, err := internal.BPF(_MapGetFDByID, unsafe.Pointer(&attr), unsafe.Sizeof(attr))
if err != nil {
return nil, errors.Wrapf(err, "can't get fd for map id %d", id)
}
return newBPFFD(uint32(ptr)), nil
return internal.NewFD(uint32(ptr)), nil
}
func bpfGetProgramFDByID(id uint32) (*bpfFD, error) {
func bpfGetProgramFDByID(id uint32) (*internal.FD, error) {
// available from 4.13
attr := bpfGetFDByIDAttr{
id: id,
}
ptr, err := bpfCall(_ProgGetFDByID, unsafe.Pointer(&attr), unsafe.Sizeof(attr))
ptr, err := internal.BPF(_ProgGetFDByID, unsafe.Pointer(&attr), unsafe.Sizeof(attr))
if err != nil {
return nil, errors.Wrapf(err, "can't get fd for program id %d", id)
}
return newBPFFD(uint32(ptr)), nil
}
func bpfCall(cmd int, attr unsafe.Pointer, size uintptr) (uintptr, error) {
r1, _, errNo := unix.Syscall(unix.SYS_BPF, uintptr(cmd), uintptr(attr), size)
runtime.KeepAlive(attr)
var err error
if errNo != 0 {
err = errNo
}
return r1, err
}
func convertCString(in []byte) string {
inLen := bytes.IndexByte(in, 0)
if inLen == -1 {
return ""
}
return string(in[:inLen])
return internal.NewFD(uint32(ptr)), nil
}

36
vendor/github.com/cilium/ebpf/types.go generated vendored
View File

@ -57,6 +57,30 @@ const (
// HashOfMaps - Each item in the hash map is another map. The inner map mustn't be a map of maps
// itself.
HashOfMaps
// DevMap - Specialized map to store references to network devices.
DevMap
// SockMap - Specialized map to store references to sockets.
SockMap
// CPUMap - Specialized map to store references to CPUs.
CPUMap
// XSKMap - Specialized map for XDP programs to store references to open sockets.
XSKMap
// SockHash - Specialized hash to store references to sockets.
SockHash
// CGroupStorage - Special map for CGroups.
CGroupStorage
// ReusePortSockArray - Specialized map to store references to sockets that can be reused.
ReusePortSockArray
// PerCPUCGroupStorage - Special per CPU map for CGroups.
PerCPUCGroupStorage
// Queue - FIFO storage for BPF programs.
Queue
// Stack - LIFO storage for BPF programs.
Stack
// SkStorage - Specialized map for local storage at SK for BPF programs.
SkStorage
// DevMapHash - Hash-based indexing scheme for references to network devices.
DevMapHash
)
// hasPerCPUValue returns true if the Map stores a value per CPU.
@ -84,6 +108,13 @@ const (
_ProgGetFDByID
_MapGetFDByID
_ObjGetInfoByFD
_ProgQuery
_RawTracepointOpen
_BTFLoad
_BTFGetFDByID
_TaskFDQuery
_MapLookupAndDeleteElem
_MapFreeze
)
const (
@ -149,6 +180,8 @@ const (
RawTracepointWritable
// CGroupSockopt program
CGroupSockopt
// Tracing program
Tracing
)
// AttachType of the eBPF program, needed to differentiate allowed context accesses in
@ -183,6 +216,9 @@ const (
AttachCGroupUDP6Recvmsg
AttachCGroupGetsockopt
AttachCGroupSetsockopt
AttachTraceRawTp
AttachTraceFEntry
AttachTraceFExit
)
// AttachFlags of the eBPF program used in BPF_PROG_ATTACH command

21
vendor/github.com/cilium/ebpf/types_string.go generated vendored
View File

@ -22,11 +22,23 @@ func _() {
_ = x[LPMTrie-11]
_ = x[ArrayOfMaps-12]
_ = x[HashOfMaps-13]
_ = x[DevMap-14]
_ = x[SockMap-15]
_ = x[CPUMap-16]
_ = x[XSKMap-17]
_ = x[SockHash-18]
_ = x[CGroupStorage-19]
_ = x[ReusePortSockArray-20]
_ = x[PerCPUCGroupStorage-21]
_ = x[Queue-22]
_ = x[Stack-23]
_ = x[SkStorage-24]
_ = x[DevMapHash-25]
}
const _MapType_name = "UnspecifiedMapHashArrayProgramArrayPerfEventArrayPerCPUHashPerCPUArrayStackTraceCGroupArrayLRUHashLRUCPUHashLPMTrieArrayOfMapsHashOfMaps"
const _MapType_name = "UnspecifiedMapHashArrayProgramArrayPerfEventArrayPerCPUHashPerCPUArrayStackTraceCGroupArrayLRUHashLRUCPUHashLPMTrieArrayOfMapsHashOfMapsDevMapSockMapCPUMapXSKMapSockHashCGroupStorageReusePortSockArrayPerCPUCGroupStorageQueueStackSkStorageDevMapHash"
var _MapType_index = [...]uint8{0, 14, 18, 23, 35, 49, 59, 70, 80, 91, 98, 108, 115, 126, 136}
var _MapType_index = [...]uint8{0, 14, 18, 23, 35, 49, 59, 70, 80, 91, 98, 108, 115, 126, 136, 142, 149, 155, 161, 169, 182, 200, 219, 224, 229, 238, 248}
func (i MapType) String() string {
if i >= MapType(len(_MapType_index)-1) {
@ -64,11 +76,12 @@ func _() {
_ = x[CGroupSysctl-23]
_ = x[RawTracepointWritable-24]
_ = x[CGroupSockopt-25]
_ = x[Tracing-26]
}
const _ProgramType_name = "UnspecifiedProgramSocketFilterKprobeSchedCLSSchedACTTracePointXDPPerfEventCGroupSKBCGroupSockLWTInLWTOutLWTXmitSockOpsSkSKBCGroupDeviceSkMsgRawTracepointCGroupSockAddrLWTSeg6LocalLircMode2SkReuseportFlowDissectorCGroupSysctlRawTracepointWritableCGroupSockopt"
const _ProgramType_name = "UnspecifiedProgramSocketFilterKprobeSchedCLSSchedACTTracePointXDPPerfEventCGroupSKBCGroupSockLWTInLWTOutLWTXmitSockOpsSkSKBCGroupDeviceSkMsgRawTracepointCGroupSockAddrLWTSeg6LocalLircMode2SkReuseportFlowDissectorCGroupSysctlRawTracepointWritableCGroupSockoptTracing"
var _ProgramType_index = [...]uint16{0, 18, 30, 36, 44, 52, 62, 65, 74, 83, 93, 98, 104, 111, 118, 123, 135, 140, 153, 167, 179, 188, 199, 212, 224, 245, 258}
var _ProgramType_index = [...]uint16{0, 18, 30, 36, 44, 52, 62, 65, 74, 83, 93, 98, 104, 111, 118, 123, 135, 140, 153, 167, 179, 188, 199, 212, 224, 245, 258, 265}
func (i ProgramType) String() string {
if i >= ProgramType(len(_ProgramType_index)-1) {

63
vendor/github.com/containerd/cgroups/blkio.go generated vendored
View File

@ -90,54 +90,47 @@ func (b *blkioController) Update(path string, resources *specs.LinuxResources) e
func (b *blkioController) Stat(path string, stats *v1.Metrics) error {
stats.Blkio = &v1.BlkIOStat{}
settings := []blkioStatSettings{
{
name: "throttle.io_serviced",
entry: &stats.Blkio.IoServicedRecursive,
},
{
name: "throttle.io_service_bytes",
entry: &stats.Blkio.IoServiceBytesRecursive,
},
}
var settings []blkioStatSettings
// Try to read CFQ stats available on all CFQ enabled kernels first
if _, err := os.Lstat(filepath.Join(b.Path(path), fmt.Sprintf("blkio.io_serviced_recursive"))); err == nil {
settings = []blkioStatSettings{}
settings = append(settings,
blkioStatSettings{
settings = []blkioStatSettings{
{
name: "sectors_recursive",
entry: &stats.Blkio.SectorsRecursive,
},
blkioStatSettings{
{
name: "io_service_bytes_recursive",
entry: &stats.Blkio.IoServiceBytesRecursive,
},
blkioStatSettings{
{
name: "io_serviced_recursive",
entry: &stats.Blkio.IoServicedRecursive,
},
blkioStatSettings{
{
name: "io_queued_recursive",
entry: &stats.Blkio.IoQueuedRecursive,
},
blkioStatSettings{
{
name: "io_service_time_recursive",
entry: &stats.Blkio.IoServiceTimeRecursive,
},
blkioStatSettings{
{
name: "io_wait_time_recursive",
entry: &stats.Blkio.IoWaitTimeRecursive,
},
blkioStatSettings{
{
name: "io_merged_recursive",
entry: &stats.Blkio.IoMergedRecursive,
},
blkioStatSettings{
{
name: "time_recursive",
entry: &stats.Blkio.IoTimeRecursive,
},
)
}
}
f, err := os.Open(filepath.Join(b.procRoot, "diskstats"))
if err != nil {
return err
@ -149,6 +142,29 @@ func (b *blkioController) Stat(path string, stats *v1.Metrics) error {
return err
}
var size int
for _, t := range settings {
if err := b.readEntry(devices, path, t.name, t.entry); err != nil {
return err
}
size += len(*t.entry)
}
if size > 0 {
return nil
}
// Even the kernel is compiled with the CFQ scheduler, the cgroup may not use
// block devices with the CFQ scheduler. If so, we should fallback to throttle.* files.
settings = []blkioStatSettings{
{
name: "throttle.io_serviced",
entry: &stats.Blkio.IoServicedRecursive,
},
{
name: "throttle.io_service_bytes",
entry: &stats.Blkio.IoServiceBytesRecursive,
},
}
for _, t := range settings {
if err := b.readEntry(devices, path, t.name, t.entry); err != nil {
return err
@ -165,9 +181,6 @@ func (b *blkioController) readEntry(devices map[deviceKey]string, path, name str
defer f.Close()
sc := bufio.NewScanner(f)
for sc.Scan() {
if err := sc.Err(); err != nil {
return err
}
// format: dev type amount
fields := strings.FieldsFunc(sc.Text(), splitBlkIOStatLine)
if len(fields) < 3 {
@ -204,7 +217,7 @@ func (b *blkioController) readEntry(devices map[deviceKey]string, path, name str
Value: v,
})
}
return nil
return sc.Err()
}
func createBlkioSettings(blkio *specs.LinuxBlockIO) []blkioSettings {

5
vendor/github.com/containerd/cgroups/cpu.go generated vendored
View File

@ -110,9 +110,6 @@ func (c *cpuController) Stat(path string, stats *v1.Metrics) error {
// get or create the cpu field because cpuacct can also set values on this struct
sc := bufio.NewScanner(f)
for sc.Scan() {
if err := sc.Err(); err != nil {
return err
}
key, v, err := parseKV(sc.Text())
if err != nil {
return err
@ -126,5 +123,5 @@ func (c *cpuController) Stat(path string, stats *v1.Metrics) error {
stats.CPU.Throttling.ThrottledTime = v
}
}
return nil
return sc.Err()
}

17
vendor/github.com/containerd/cgroups/go.mod generated vendored
View File

@ -1,16 +1,19 @@
module github.com/containerd/cgroups
go 1.12
go 1.13
require (
github.com/cilium/ebpf v0.0.0-20191113100448-d9fb101ca1fb
github.com/coreos/go-systemd/v22 v22.0.0-20191111152658-2d78030078ef
github.com/cilium/ebpf v0.0.0-20200110133405-4032b1d8aae3
github.com/coreos/go-systemd/v22 v22.0.0
github.com/cpuguy83/go-md2man/v2 v2.0.0 // indirect
github.com/docker/go-units v0.4.0
github.com/godbus/dbus/v5 v5.0.3
github.com/gogo/protobuf v1.2.1
github.com/gogo/protobuf v1.3.1
github.com/konsorten/go-windows-terminal-sequences v1.0.2 // indirect
github.com/opencontainers/runtime-spec v0.1.2-0.20190507144316-5b71a03e2700
github.com/pkg/errors v0.8.1
github.com/pkg/errors v0.9.1
github.com/sirupsen/logrus v1.4.2
github.com/urfave/cli v1.22.1
golang.org/x/sys v0.0.0-20191112214154-59a1497f0cea
github.com/stretchr/testify v1.2.2
github.com/urfave/cli v1.22.2
golang.org/x/sys v0.0.0-20200120151820-655fe14d7479
)

6
vendor/github.com/containerd/cgroups/memory.go generated vendored
View File

@ -236,9 +236,6 @@ func (m *memoryController) parseStats(r io.Reader, stat *v1.MemoryStat) error {
line int
)
for sc.Scan() {
if err := sc.Err(); err != nil {
return err
}
key, v, err := parseKV(sc.Text())
if err != nil {
return fmt.Errorf("%d: %v", line, err)
@ -246,6 +243,9 @@ func (m *memoryController) parseStats(r io.Reader, stat *v1.MemoryStat) error {
raw[key] = v
line++
}
if err := sc.Err(); err != nil {
return err
}
stat.Cache = raw["cache"]
stat.RSS = raw["rss"]
stat.RSSHuge = raw["rss_huge"]

26
vendor/github.com/containerd/cgroups/utils.go generated vendored
View File

@ -181,6 +181,10 @@ func readPids(path string, subsystem Name) ([]Process, error) {
})
}
}
if err := s.Err(); err != nil {
// failed to read all pids?
return nil, err
}
return out, nil
}
@ -208,6 +212,9 @@ func readTasksPids(path string, subsystem Name) ([]Task, error) {
})
}
}
if err := s.Err(); err != nil {
return nil, err
}
return out, nil
}
@ -286,9 +293,6 @@ func parseCgroupFromReader(r io.Reader) (map[string]string, error) {
s = bufio.NewScanner(r)
)
for s.Scan() {
if err := s.Err(); err != nil {
return nil, err
}
var (
text = s.Text()
parts = strings.SplitN(text, ":", 3)
@ -302,6 +306,9 @@ func parseCgroupFromReader(r io.Reader) (map[string]string, error) {
}
}
}
if err := s.Err(); err != nil {
return nil, err
}
return cgroups, nil
}
@ -313,16 +320,23 @@ func getCgroupDestination(subsystem string) (string, error) {
defer f.Close()
s := bufio.NewScanner(f)
for s.Scan() {
if err := s.Err(); err != nil {
return "", err
fields := strings.Split(s.Text(), " ")
if len(fields) < 10 {
// broken mountinfo?
continue
}
if fields[len(fields)-3] != "cgroup" {
continue
}
fields := strings.Fields(s.Text())
for _, opt := range strings.Split(fields[len(fields)-1], ",") {
if opt == subsystem {
return fields[3], nil
}
}
}
if err := s.Err(); err != nil {
return "", err
}
return "", ErrNoCgroupMountDestination
}

26
vendor/github.com/containerd/cgroups/v1.go generated vendored
View File

@ -54,28 +54,20 @@ func v1MountPoint() (string, error) {
defer f.Close()
scanner := bufio.NewScanner(f)
for scanner.Scan() {
if err := scanner.Err(); err != nil {
return "", err
}
var (
text = scanner.Text()
fields = strings.Split(text, " ")
// safe as mountinfo encodes mountpoints with spaces as \040.
index = strings.Index(text, " - ")
postSeparatorFields = strings.Fields(text[index+3:])
numPostFields = len(postSeparatorFields)
text = scanner.Text()
fields = strings.Split(text, " ")
numFields = len(fields)
)
// this is an error as we can't detect if the mount is for "cgroup"
if numPostFields == 0 {
return "", fmt.Errorf("Found no fields post '-' in %q", text)
if numFields < 10 {
return "", fmt.Errorf("mountinfo: bad entry %q", text)
}
if postSeparatorFields[0] == "cgroup" {
// check that the mount is properly formated.
if numPostFields < 3 {
return "", fmt.Errorf("Error found less than 3 fields post '-' in %q", text)
}
if fields[numFields-3] == "cgroup" {
return filepath.Dir(fields[4]), nil
}
}
if err := scanner.Err(); err != nil {
return "", err
}
return "", ErrMountPointNotExist
}

37
vendor/github.com/containerd/cgroups/v2/hugetlb.go generated vendored Normal file
View File

@ -0,0 +1,37 @@
/*
Copyright The containerd 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 v2
import "strings"
type HugeTlb []HugeTlbEntry
type HugeTlbEntry struct {
HugePageSize string
Limit uint64
}
func (r *HugeTlb) Values() (o []Value) {
for _, e := range *r {
o = append(o, Value{
filename: strings.Join([]string{"hugetlb", e.HugePageSize, "max"}, "."),
value: e.Limit,
})
}
return o
}

52
vendor/github.com/containerd/cgroups/v2/manager.go generated vendored
View File

@ -66,11 +66,12 @@ type Event struct {
// Resources for a cgroups v2 unified hierarchy
type Resources struct {
CPU *CPU
Memory *Memory
Pids *Pids
IO *IO
RDMA *RDMA
CPU *CPU
Memory *Memory
Pids *Pids
IO *IO
RDMA *RDMA
HugeTlb *HugeTlb
// When len(Devices) is zero, devices are not controlled
Devices []specs.LinuxDeviceCgroup
}
@ -93,6 +94,9 @@ func (r *Resources) Values() (o []Value) {
if r.RDMA != nil {
o = append(o, r.RDMA.Values()...)
}
if r.HugeTlb != nil {
o = append(o, r.HugeTlb.Values()...)
}
return o
}
@ -114,6 +118,9 @@ func (r *Resources) EnabledControllers() (c []string) {
if r.RDMA != nil {
c = append(c, "rdma")
}
if r.HugeTlb != nil {
c = append(c, "hugetlb")
}
return
}
@ -422,11 +429,11 @@ func (c *Manager) Stat() (*stats.Metrics, error) {
}
metrics.Io = &stats.IOStat{Usage: readIoStats(c.path)}
metrics.Rdma = &stats.RdmaStat{
Current: rdmaStats(filepath.Join(c.path, "rdma.current")),
Limit: rdmaStats(filepath.Join(c.path, "rdma.max")),
}
metrics.Hugetlb = readHugeTlbStats(c.path)
return &metrics, nil
}
@ -489,16 +496,13 @@ func readKVStatsFile(path string, file string, out map[string]interface{}) error
s := bufio.NewScanner(f)
for s.Scan() {
if err := s.Err(); err != nil {
return err
}
name, value, err := parseKV(s.Text())
if err != nil {
return errors.Wrapf(err, "error while parsing %s (line=%q)", filepath.Join(path, file), s.Text())
}
out[name] = value
}
return nil
return s.Err()
}
func (c *Manager) Freeze() error {
@ -526,20 +530,20 @@ func (c *Manager) freeze(path string, state State) error {
}
}
func (c *Manager) MemoryEventFD() (uintptr, error) {
// MemoryEventFD returns inotify file descriptor and 'memory.events' inotify watch descriptor
func (c *Manager) MemoryEventFD() (int, uint32, error) {
fpath := filepath.Join(c.path, "memory.events")
fd, err := syscall.InotifyInit()
if err != nil {
return 0, errors.Errorf("Failed to create inotify fd")
return 0, 0, errors.Errorf("Failed to create inotify fd")
}
defer syscall.Close(fd)
wd, err := syscall.InotifyAddWatch(fd, fpath, unix.IN_MODIFY)
if wd < 0 {
return 0, errors.Errorf("Failed to add inotify watch for %q", fpath)
syscall.Close(fd)
return 0, 0, errors.Errorf("Failed to add inotify watch for %q", fpath)
}
defer syscall.InotifyRmWatch(fd, uint32(wd))
return uintptr(fd), nil
return fd, uint32(wd), nil
}
func (c *Manager) EventChan() (<-chan Event, <-chan error) {
@ -551,15 +555,22 @@ func (c *Manager) EventChan() (<-chan Event, <-chan error) {
}
func (c *Manager) waitForEvents(ec chan<- Event, errCh chan<- error) {
fd, err := c.MemoryEventFD()
fd, wd, err := c.MemoryEventFD()
defer syscall.InotifyRmWatch(fd, wd)
defer syscall.Close(fd)
if err != nil {
errCh <- errors.Errorf("Failed to create memory event fd")
errCh <- err
return
}
for {
buffer := make([]byte, syscall.SizeofInotifyEvent*10)
bytesRead, err := syscall.Read(int(fd), buffer)
bytesRead, err := syscall.Read(fd, buffer)
if err != nil {
errCh <- err
return
}
var out map[string]interface{}
if bytesRead >= syscall.SizeofInotifyEvent {
@ -572,6 +583,9 @@ func (c *Manager) waitForEvents(ec chan<- Event, errCh chan<- error) {
OOMKill: out["oom_kill"].(uint64),
}
ec <- e
} else {
errCh <- err
return
}
}
}

447
vendor/github.com/containerd/cgroups/v2/stats/metrics.pb.go generated vendored
View File

@ -25,14 +25,15 @@ var _ = math.Inf
const _ = proto.GoGoProtoPackageIsVersion2 // please upgrade the proto package
type Metrics struct {
Pids *PidsStat `protobuf:"bytes,1,opt,name=pids,proto3" json:"pids,omitempty"`
CPU *CPUStat `protobuf:"bytes,2,opt,name=cpu,proto3" json:"cpu,omitempty"`
Memory *MemoryStat `protobuf:"bytes,4,opt,name=memory,proto3" json:"memory,omitempty"`
Rdma *RdmaStat `protobuf:"bytes,5,opt,name=rdma,proto3" json:"rdma,omitempty"`
Io *IOStat `protobuf:"bytes,6,opt,name=io,proto3" json:"io,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
Pids *PidsStat `protobuf:"bytes,1,opt,name=pids,proto3" json:"pids,omitempty"`
CPU *CPUStat `protobuf:"bytes,2,opt,name=cpu,proto3" json:"cpu,omitempty"`
Memory *MemoryStat `protobuf:"bytes,4,opt,name=memory,proto3" json:"memory,omitempty"`
Rdma *RdmaStat `protobuf:"bytes,5,opt,name=rdma,proto3" json:"rdma,omitempty"`
Io *IOStat `protobuf:"bytes,6,opt,name=io,proto3" json:"io,omitempty"`
Hugetlb []*HugeTlbStat `protobuf:"bytes,7,rep,name=hugetlb,proto3" json:"hugetlb,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *Metrics) Reset() { *m = Metrics{} }
@ -388,6 +389,47 @@ func (m *IOEntry) XXX_DiscardUnknown() {
var xxx_messageInfo_IOEntry proto.InternalMessageInfo
type HugeTlbStat struct {
Current uint64 `protobuf:"varint,1,opt,name=current,proto3" json:"current,omitempty"`
Max uint64 `protobuf:"varint,2,opt,name=max,proto3" json:"max,omitempty"`
Pagesize string `protobuf:"bytes,3,opt,name=pagesize,proto3" json:"pagesize,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *HugeTlbStat) Reset() { *m = HugeTlbStat{} }
func (*HugeTlbStat) ProtoMessage() {}
func (*HugeTlbStat) Descriptor() ([]byte, []int) {
return fileDescriptor_2fc6005842049e6b, []int{8}
}
func (m *HugeTlbStat) XXX_Unmarshal(b []byte) error {
return m.Unmarshal(b)
}
func (m *HugeTlbStat) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
if deterministic {
return xxx_messageInfo_HugeTlbStat.Marshal(b, m, deterministic)
} else {
b = b[:cap(b)]
n, err := m.MarshalTo(b)
if err != nil {
return nil, err
}
return b[:n], nil
}
}
func (m *HugeTlbStat) XXX_Merge(src proto.Message) {
xxx_messageInfo_HugeTlbStat.Merge(m, src)
}
func (m *HugeTlbStat) XXX_Size() int {
return m.Size()
}
func (m *HugeTlbStat) XXX_DiscardUnknown() {
xxx_messageInfo_HugeTlbStat.DiscardUnknown(m)
}
var xxx_messageInfo_HugeTlbStat proto.InternalMessageInfo
func init() {
proto.RegisterType((*Metrics)(nil), "io.containerd.cgroups.v2.Metrics")
proto.RegisterType((*PidsStat)(nil), "io.containerd.cgroups.v2.PidsStat")
@ -397,6 +439,7 @@ func init() {
proto.RegisterType((*RdmaEntry)(nil), "io.containerd.cgroups.v2.RdmaEntry")
proto.RegisterType((*IOStat)(nil), "io.containerd.cgroups.v2.IOStat")
proto.RegisterType((*IOEntry)(nil), "io.containerd.cgroups.v2.IOEntry")
proto.RegisterType((*HugeTlbStat)(nil), "io.containerd.cgroups.v2.HugeTlbStat")
}
func init() {
@ -404,74 +447,77 @@ func init() {
}
var fileDescriptor_2fc6005842049e6b = []byte{
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0xe8, 0x0f, 0x15, 0xc8, 0xef, 0xb0, 0x1e, 0xec, 0xd1, 0xb7, 0xf3, 0x42, 0x30, 0xfa, 0x05, 0x40,
0x7c, 0x38, 0x2f, 0xf8, 0x03, 0xb6, 0x1e, 0x67, 0x32, 0xb0, 0xf1, 0xa9, 0xf2, 0xd1, 0x93, 0x01,
0xe6, 0xd7, 0x2a, 0x70, 0x0f, 0xbc, 0xd9, 0x62, 0x83, 0x26, 0x65, 0x8d, 0xda, 0x6c, 0x10, 0x9a,
0x55, 0xd0, 0xc5, 0xf5, 0x7f, 0x57, 0x79, 0x06, 0x6e, 0xd6, 0x55, 0x90, 0x72, 0xad, 0x59, 0x05,
0x09, 0xdb, 0x6c, 0x50, 0x66, 0xea, 0x34, 0x0e, 0xac, 0x9c, 0x25, 0x4a, 0x5c, 0x27, 0xb7, 0x1b,
0x10, 0x7f, 0x8f, 0x6d, 0x80, 0xc3, 0xbe, 0x56, 0x41, 0x22, 0xe3, 0x14, 0x69, 0x1b, 0x48, 0xbb,
0x0e, 0xb8, 0x57, 0xc3, 0xfc, 0x03, 0xc6, 0x91, 0x5a, 0x66, 0x4d, 0xf2, 0x0d, 0x24, 0xdf, 0x80,
0xcc, 0xb4, 0x99, 0x80, 0x3b, 0x52, 0x44, 0x47, 0xb2, 0x4c, 0xac, 0xe0, 0xe4, 0x90, 0x0b, 0xf9,
0x90, 0xb1, 0x22, 0x4a, 0xe5, 0x31, 0x25, 0x6f, 0x52, 0xd7, 0x35, 0x02, 0x1f, 0x3a, 0xcb, 0xf5,
0x49, 0x9c, 0x45, 0x46, 0x59, 0x5f, 0x2b, 0xe2, 0x6d, 0xd2, 0x87, 0xea, 0x8c, 0x47, 0x09, 0x3e,
0x61, 0x37, 0x1b, 0x74, 0xdc, 0xbd, 0xb4, 0x4a, 0xdc, 0x42, 0x7e, 0xa3, 0xd2, 0x9e, 0xcb, 0xf0,
0x4f, 0xd8, 0xed, 0x86, 0x20, 0xcb, 0x43, 0xe5, 0xfa, 0x16, 0xb7, 0x51, 0x73, 0xab, 0xce, 0x7e,
0x5f, 0x27, 0xf9, 0x5d, 0xd6, 0x2b, 0x22, 0xad, 0x8e, 0xe2, 0x24, 0x11, 0x6f, 0xd1, 0xc5, 0xac,
0x62, 0x7e, 0x9b, 0x75, 0x8a, 0xc8, 0x04, 0x32, 0x13, 0x02, 0x33, 0x2e, 0x22, 0x13, 0x8c, 0x55,
0x32, 0x11, 0x77, 0x2a, 0x13, 0x30, 0x24, 0x13, 0x96, 0xcd, 0xde, 0xad, 0x4c, 0xa8, 0x10, 0x3e,
0x62, 0x6b, 0x45, 0x14, 0xaa, 0x25, 0xe3, 0x1e, 0x9d, 0x7f, 0x13, 0xa3, 0x1a, 0x89, 0x7c, 0xb5,
0x38, 0xd2, 0x4a, 0x89, 0xb7, 0xab, 0x1a, 0x15, 0x02, 0xc7, 0x5f, 0x47, 0xa1, 0xb8, 0x4f, 0xc7,
0xdf, 0x80, 0xf8, 0xbb, 0xec, 0xba, 0x9d, 0x17, 0x3e, 0x1a, 0xe9, 0xcb, 0x24, 0xc9, 0x03, 0x31,
0xac, 0xae, 0x7b, 0xf1, 0x0c, 0xd0, 0x3d, 0x00, 0xf9, 0xfb, 0x8c, 0x03, 0x2f, 0xc8, 0x93, 0x44,
0x16, 0x46, 0x39, 0xea, 0x16, 0x52, 0x37, 0xec, 0xbc, 0x78, 0xea, 0x12, 0xc4, 0xde, 0x64, 0x57,
0x71, 0xa0, 0x89, 0x6d, 0xba, 0x9a, 0x18, 0xc0, 0xaf, 0x95, 0x06, 0x1f, 0x0d, 0xc8, 0x1d, 0x6a,
0x17, 0xa1, 0xef, 0x00, 0x81, 0xab, 0x69, 0xce, 0x64, 0xe1, 0x93, 0x76, 0x44, 0x57, 0x13, 0x90,
0x29, 0xea, 0xab, 0x34, 0xc9, 0x1f, 0xd4, 0x69, 0x54, 0x8f, 0x7e, 0x6e, 0xb1, 0x5e, 0xf5, 0x4a,
0xf0, 0x2f, 0x9b, 0x03, 0x1a, 0xa6, 0xfd, 0x83, 0xcb, 0x9f, 0x96, 0x6f, 0x32, 0xab, 0x17, 0xf5,
0x14, 0xff, 0xbc, 0x9e, 0xe2, 0xff, 0x5b, 0xec, 0x46, 0xbd, 0x62, 0xfd, 0x25, 0x06, 0x3f, 0x8b,
0x10, 0xee, 0x9a, 0xc2, 0xc1, 0xd8, 0xf7, 0x5c, 0x04, 0x56, 0xcc, 0x03, 0xe9, 0xcf, 0x65, 0x16,
0x26, 0xca, 0xe0, 0x84, 0x5c, 0xf7, 0xd8, 0x3c, 0x90, 0xcf, 0x09, 0xa9, 0x08, 0xf9, 0xec, 0x58,
0x05, 0xd6, 0xe0, 0x98, 0x24, 0xc2, 0x0b, 0x42, 0x46, 0x7b, 0xac, 0x43, 0x8f, 0x1b, 0xff, 0xac,
0x32, 0x9b, 0x36, 0xba, 0x73, 0xd9, 0x6b, 0xe8, 0x3a, 0x45, 0xfe, 0xe8, 0x97, 0x16, 0xeb, 0x3a,
0x08, 0x4e, 0x2c, 0x95, 0xc7, 0xb9, 0x76, 0x03, 0x9c, 0x02, 0x44, 0xe3, 0x2c, 0xd7, 0xd5, 0x63,
0x86, 0x01, 0x6c, 0x4a, 0xcf, 0x16, 0x56, 0x19, 0x37, 0xbd, 0x5d, 0x04, 0xf8, 0x19, 0xe1, 0x34,
0xba, 0x5d, 0x04, 0xc3, 0x5b, 0xc7, 0xb9, 0xa9, 0x86, 0x37, 0xac, 0x01, 0x3b, 0x03, 0x8c, 0x66,
0x37, 0xae, 0x47, 0x53, 0x36, 0x68, 0x3c, 0xbc, 0x97, 0xbc, 0xb1, 0x1b, 0x6c, 0x35, 0x95, 0x3f,
0xba, 0xa6, 0x60, 0x89, 0x57, 0x53, 0x46, 0xca, 0xc4, 0xaf, 0x14, 0x36, 0xd5, 0xf7, 0x96, 0xf1,
0x13, 0xf1, 0xfa, 0xcd, 0xf0, 0xca, 0x1f, 0x6f, 0x86, 0x57, 0x7e, 0x3a, 0x1f, 0xb6, 0x5e, 0x9f,
0x0f, 0x5b, 0xbf, 0x9f, 0x0f, 0x5b, 0x7f, 0x9d, 0x0f, 0x5b, 0xb3, 0x0e, 0xfe, 0x87, 0xfa, 0xe8,
0x9f, 0x00, 0x00, 0x00, 0xff, 0xff, 0x79, 0xd2, 0xcd, 0xe2, 0xab, 0x09, 0x00, 0x00,
}
func (m *Metrics) Marshal() (dAtA []byte, err error) {
@ -539,6 +585,18 @@ func (m *Metrics) MarshalTo(dAtA []byte) (int, error) {
}
i += n5
}
if len(m.Hugetlb) > 0 {
for _, msg := range m.Hugetlb {
dAtA[i] = 0x3a
i++
i = encodeVarintMetrics(dAtA, i, uint64(msg.Size()))
n, err := msg.MarshalTo(dAtA[i:])
if err != nil {
return 0, err
}
i += n
}
}
if m.XXX_unrecognized != nil {
i += copy(dAtA[i:], m.XXX_unrecognized)
}
@ -1029,6 +1087,43 @@ func (m *IOEntry) MarshalTo(dAtA []byte) (int, error) {
return i, nil
}
func (m *HugeTlbStat) Marshal() (dAtA []byte, err error) {
size := m.Size()
dAtA = make([]byte, size)
n, err := m.MarshalTo(dAtA)
if err != nil {
return nil, err
}
return dAtA[:n], nil
}
func (m *HugeTlbStat) MarshalTo(dAtA []byte) (int, error) {
var i int
_ = i
var l int
_ = l
if m.Current != 0 {
dAtA[i] = 0x8
i++
i = encodeVarintMetrics(dAtA, i, uint64(m.Current))
}
if m.Max != 0 {
dAtA[i] = 0x10
i++
i = encodeVarintMetrics(dAtA, i, uint64(m.Max))
}
if len(m.Pagesize) > 0 {
dAtA[i] = 0x1a
i++
i = encodeVarintMetrics(dAtA, i, uint64(len(m.Pagesize)))
i += copy(dAtA[i:], m.Pagesize)
}
if m.XXX_unrecognized != nil {
i += copy(dAtA[i:], m.XXX_unrecognized)
}
return i, nil
}
func encodeVarintMetrics(dAtA []byte, offset int, v uint64) int {
for v >= 1<<7 {
dAtA[offset] = uint8(v&0x7f | 0x80)
@ -1064,6 +1159,12 @@ func (m *Metrics) Size() (n int) {
l = m.Io.Size()
n += 1 + l + sovMetrics(uint64(l))
}
if len(m.Hugetlb) > 0 {
for _, e := range m.Hugetlb {
l = e.Size()
n += 1 + l + sovMetrics(uint64(l))
}
}
if m.XXX_unrecognized != nil {
n += len(m.XXX_unrecognized)
}
@ -1329,6 +1430,28 @@ func (m *IOEntry) Size() (n int) {
return n
}
func (m *HugeTlbStat) Size() (n int) {
if m == nil {
return 0
}
var l int
_ = l
if m.Current != 0 {
n += 1 + sovMetrics(uint64(m.Current))
}
if m.Max != 0 {
n += 1 + sovMetrics(uint64(m.Max))
}
l = len(m.Pagesize)
if l > 0 {
n += 1 + l + sovMetrics(uint64(l))
}
if m.XXX_unrecognized != nil {
n += len(m.XXX_unrecognized)
}
return n
}
func sovMetrics(x uint64) (n int) {
for {
n++
@ -1352,6 +1475,7 @@ func (this *Metrics) String() string {
`Memory:` + strings.Replace(fmt.Sprintf("%v", this.Memory), "MemoryStat", "MemoryStat", 1) + `,`,
`Rdma:` + strings.Replace(fmt.Sprintf("%v", this.Rdma), "RdmaStat", "RdmaStat", 1) + `,`,
`Io:` + strings.Replace(fmt.Sprintf("%v", this.Io), "IOStat", "IOStat", 1) + `,`,
`Hugetlb:` + strings.Replace(fmt.Sprintf("%v", this.Hugetlb), "HugeTlbStat", "HugeTlbStat", 1) + `,`,
`XXX_unrecognized:` + fmt.Sprintf("%v", this.XXX_unrecognized) + `,`,
`}`,
}, "")
@ -1482,6 +1606,19 @@ func (this *IOEntry) String() string {
}, "")
return s
}
func (this *HugeTlbStat) String() string {
if this == nil {
return "nil"
}
s := strings.Join([]string{`&HugeTlbStat{`,
`Current:` + fmt.Sprintf("%v", this.Current) + `,`,
`Max:` + fmt.Sprintf("%v", this.Max) + `,`,
`Pagesize:` + fmt.Sprintf("%v", this.Pagesize) + `,`,
`XXX_unrecognized:` + fmt.Sprintf("%v", this.XXX_unrecognized) + `,`,
`}`,
}, "")
return s
}
func valueToStringMetrics(v interface{}) string {
rv := reflect.ValueOf(v)
if rv.IsNil() {
@ -1699,6 +1836,40 @@ func (m *Metrics) Unmarshal(dAtA []byte) error {
return err
}
iNdEx = postIndex
case 7:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Hugetlb", wireType)
}
var msglen int
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowMetrics
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
msglen |= int(b&0x7F) << shift
if b < 0x80 {
break
}
}
if msglen < 0 {
return ErrInvalidLengthMetrics
}
postIndex := iNdEx + msglen
if postIndex < 0 {
return ErrInvalidLengthMetrics
}
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.Hugetlb = append(m.Hugetlb, &HugeTlbStat{})
if err := m.Hugetlb[len(m.Hugetlb)-1].Unmarshal(dAtA[iNdEx:postIndex]); err != nil {
return err
}
iNdEx = postIndex
default:
iNdEx = preIndex
skippy, err := skipMetrics(dAtA[iNdEx:])
@ -3205,6 +3376,130 @@ func (m *IOEntry) Unmarshal(dAtA []byte) error {
}
return nil
}
func (m *HugeTlbStat) Unmarshal(dAtA []byte) error {
l := len(dAtA)
iNdEx := 0
for iNdEx < l {
preIndex := iNdEx
var wire uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowMetrics
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
wire |= uint64(b&0x7F) << shift
if b < 0x80 {
break
}
}
fieldNum := int32(wire >> 3)
wireType := int(wire & 0x7)
if wireType == 4 {
return fmt.Errorf("proto: HugeTlbStat: wiretype end group for non-group")
}
if fieldNum <= 0 {
return fmt.Errorf("proto: HugeTlbStat: illegal tag %d (wire type %d)", fieldNum, wire)
}
switch fieldNum {
case 1:
if wireType != 0 {
return fmt.Errorf("proto: wrong wireType = %d for field Current", wireType)
}
m.Current = 0
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowMetrics
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
m.Current |= uint64(b&0x7F) << shift
if b < 0x80 {
break
}
}
case 2:
if wireType != 0 {
return fmt.Errorf("proto: wrong wireType = %d for field Max", wireType)
}
m.Max = 0
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowMetrics
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
m.Max |= uint64(b&0x7F) << shift
if b < 0x80 {
break
}
}
case 3:
if wireType != 2 {
return fmt.Errorf("proto: wrong wireType = %d for field Pagesize", wireType)
}
var stringLen uint64
for shift := uint(0); ; shift += 7 {
if shift >= 64 {
return ErrIntOverflowMetrics
}
if iNdEx >= l {
return io.ErrUnexpectedEOF
}
b := dAtA[iNdEx]
iNdEx++
stringLen |= uint64(b&0x7F) << shift
if b < 0x80 {
break
}
}
intStringLen := int(stringLen)
if intStringLen < 0 {
return ErrInvalidLengthMetrics
}
postIndex := iNdEx + intStringLen
if postIndex < 0 {
return ErrInvalidLengthMetrics
}
if postIndex > l {
return io.ErrUnexpectedEOF
}
m.Pagesize = string(dAtA[iNdEx:postIndex])
iNdEx = postIndex
default:
iNdEx = preIndex
skippy, err := skipMetrics(dAtA[iNdEx:])
if err != nil {
return err
}
if skippy < 0 {
return ErrInvalidLengthMetrics
}
if (iNdEx + skippy) < 0 {
return ErrInvalidLengthMetrics
}
if (iNdEx + skippy) > l {
return io.ErrUnexpectedEOF
}
m.XXX_unrecognized = append(m.XXX_unrecognized, dAtA[iNdEx:iNdEx+skippy]...)
iNdEx += skippy
}
}
if iNdEx > l {
return io.ErrUnexpectedEOF
}
return nil
}
func skipMetrics(dAtA []byte) (n int, err error) {
l := len(dAtA)
iNdEx := 0

7
vendor/github.com/containerd/cgroups/v2/stats/metrics.proto generated vendored
View File

@ -10,6 +10,7 @@ message Metrics {
MemoryStat memory = 4;
RdmaStat rdma = 5;
IOStat io = 6;
repeated HugeTlbStat hugetlb = 7;
}
message PidsStat {
@ -87,3 +88,9 @@ message IOEntry {
uint64 rios = 5;
uint64 wios = 6;
}
message HugeTlbStat {
uint64 current = 1;
uint64 max = 2;
string pagesize = 3;
}

74
vendor/github.com/containerd/cgroups/v2/utils.go generated vendored
View File

@ -85,6 +85,9 @@ func parseCgroupProcsFile(path string) ([]uint64, error) {
out = append(out, pid)
}
}
if err := s.Err(); err != nil {
return nil, err
}
return out, nil
}
@ -144,9 +147,6 @@ func parseCgroupFromReader(r io.Reader) (string, error) {
s = bufio.NewScanner(r)
)
for s.Scan() {
if err := s.Err(); err != nil {
return "", err
}
var (
text = s.Text()
parts = strings.SplitN(text, ":", 3)
@ -159,6 +159,9 @@ func parseCgroupFromReader(r io.Reader) (string, error) {
return parts[2], nil
}
}
if err := s.Err(); err != nil {
return "", err
}
return "", fmt.Errorf("cgroup path not found")
}
@ -194,6 +197,16 @@ func ToResources(spec *specs.LinuxResources) *Resources {
resources.Memory.Low = l
}
}
if hugetlbs := spec.HugepageLimits; hugetlbs != nil {
hugeTlbUsage := HugeTlb{}
for _, hugetlb := range hugetlbs {
hugeTlbUsage = append(hugeTlbUsage, HugeTlbEntry{
HugePageSize: hugetlb.Pagesize,
Limit: hugetlb.Limit,
})
}
resources.HugeTlb = &hugeTlbUsage
}
if pids := spec.Pids; pids != nil {
resources.Pids = &Pids{
Max: pids.Limit,
@ -202,7 +215,7 @@ func ToResources(spec *specs.LinuxResources) *Resources {
if i := spec.BlockIO; i != nil {
resources.IO = &IO{}
if i.Weight != nil {
resources.IO.BFQ.Weight = *i.Weight
resources.IO.BFQ.Weight = 1 + (*i.Weight-10)*9999/990
}
for t, devices := range map[IOType][]specs.LinuxThrottleDevice{
ReadBPS: i.ThrottleReadBpsDevice,
@ -377,3 +390,56 @@ func systemdUnitFromPath(path string) string {
_, unit := filepath.Split(path)
return unit
}
func readHugeTlbStats(path string) []*stats.HugeTlbStat {
var usage = []*stats.HugeTlbStat{}
var keyUsage = make(map[string]*stats.HugeTlbStat)
f, err := os.Open(path)
if err != nil {
return usage
}
files, err := f.Readdir(-1)
f.Close()
if err != nil {
return usage
}
for _, file := range files {
if strings.Contains(file.Name(), "hugetlb") &&
(strings.HasSuffix(file.Name(), "max") || strings.HasSuffix(file.Name(), "current")) {
var hugeTlb *stats.HugeTlbStat
var ok bool
fileName := strings.Split(file.Name(), ".")
pageSize := fileName[1]
if hugeTlb, ok = keyUsage[pageSize]; !ok {
hugeTlb = &stats.HugeTlbStat{}
}
hugeTlb.Pagesize = pageSize
out, err := ioutil.ReadFile(filepath.Join(path, file.Name()))
if err != nil {
continue
}
var value uint64
stringVal := strings.TrimSpace(string(out))
if stringVal == "max" {
value = math.MaxUint64
} else {
value, err = strconv.ParseUint(stringVal, 10, 64)
}
if err != nil {
continue
}
switch fileName[2] {
case "max":
hugeTlb.Max = value
case "current":
hugeTlb.Current = value
}
keyUsage[pageSize] = hugeTlb
}
}
for _, entry := range keyUsage {
usage = append(usage, entry)
}
return usage
}

4
vendor/github.com/containerd/containerd/README.md generated vendored
View File

@ -1,9 +1,9 @@
![containerd banner](https://raw.githubusercontent.com/cncf/artwork/master/projects/containerd/horizontal/color/containerd-horizontal-color.png)
[![GoDoc](https://godoc.org/github.com/containerd/containerd?status.svg)](https://godoc.org/github.com/containerd/containerd)
[![Build Status](https://travis-ci.org/containerd/containerd.svg?branch=master)](https://travis-ci.org/containerd/containerd)
[![Build Status](https://github.com/containerd/containerd/workflows/CI/badge.svg)](https://github.com/containerd/containerd/actions?query=workflow%3ACI)
[![Windows Build Status](https://ci.appveyor.com/api/projects/status/github/containerd/containerd?branch=master&svg=true)](https://ci.appveyor.com/project/mlaventure/containerd-3g73f?branch=master)
![](https://github.com/containerd/containerd/workflows/Nightly/badge.svg)
[![Nightlies](https://github.com/containerd/containerd/workflows/Nightly/badge.svg)](https://github.com/containerd/containerd/actions?query=workflow%3ANightly)
[![FOSSA Status](https://app.fossa.io/api/projects/git%2Bhttps%3A%2F%2Fgithub.com%2Fcontainerd%2Fcontainerd.svg?type=shield)](https://app.fossa.io/projects/git%2Bhttps%3A%2F%2Fgithub.com%2Fcontainerd%2Fcontainerd?ref=badge_shield)
[![Go Report Card](https://goreportcard.com/badge/github.com/containerd/containerd)](https://goreportcard.com/report/github.com/containerd/containerd)
[![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/1271/badge)](https://bestpractices.coreinfrastructure.org/projects/1271)

17
vendor/github.com/containerd/containerd/archive/tar_unix.go generated vendored
View File

@ -22,12 +22,11 @@ import (
"archive/tar"
"os"
"strings"
"sync"
"syscall"
"github.com/containerd/containerd/sys"
"github.com/containerd/continuity/fs"
"github.com/containerd/continuity/sysx"
"github.com/opencontainers/runc/libcontainer/system"
"github.com/pkg/errors"
"golang.org/x/sys/unix"
)
@ -84,21 +83,11 @@ func mkdir(path string, perm os.FileMode) error {
return os.Chmod(path, perm)
}
var (
inUserNS bool
nsOnce sync.Once
)
func setInUserNS() {
inUserNS = system.RunningInUserNS()
}
func skipFile(hdr *tar.Header) bool {
switch hdr.Typeflag {
case tar.TypeBlock, tar.TypeChar:
// cannot create a device if running in user namespace
nsOnce.Do(setInUserNS)
return inUserNS
return sys.RunningInUserNS()
default:
return false
}
@ -125,7 +114,7 @@ func handleTarTypeBlockCharFifo(hdr *tar.Header, path string) error {
func handleLChmod(hdr *tar.Header, path string, hdrInfo os.FileInfo) error {
if hdr.Typeflag == tar.TypeLink {
if fi, err := os.Lstat(hdr.Linkname); err == nil && (fi.Mode()&os.ModeSymlink == 0) {
if err := os.Chmod(path, hdrInfo.Mode()); err != nil {
if err := os.Chmod(path, hdrInfo.Mode()); err != nil && !os.IsNotExist(err) {
return err
}
}

6
vendor/github.com/containerd/containerd/client.go generated vendored
View File

@ -58,7 +58,6 @@ import (
"github.com/containerd/containerd/snapshots"
snproxy "github.com/containerd/containerd/snapshots/proxy"
"github.com/containerd/typeurl"
"github.com/gogo/protobuf/types"
ptypes "github.com/gogo/protobuf/types"
ocispec "github.com/opencontainers/image-spec/specs-go/v1"
specs "github.com/opencontainers/runtime-spec/specs-go"
@ -319,6 +318,9 @@ type RemoteContext struct {
// Snapshotter used for unpacking
Snapshotter string
// SnapshotterOpts are additional options to be passed to a snapshotter during pull
SnapshotterOpts []snapshots.Opt
// Labels to be applied to the created image
Labels map[string]string
@ -720,7 +722,7 @@ func (c *Client) Server(ctx context.Context) (ServerInfo, error) {
}
c.connMu.Unlock()
response, err := c.IntrospectionService().Server(ctx, &types.Empty{})
response, err := c.IntrospectionService().Server(ctx, &ptypes.Empty{})
if err != nil {
return ServerInfo{}, err
}

7
vendor/github.com/containerd/containerd/client_opts.go generated vendored
View File

@ -22,6 +22,8 @@ import (
"github.com/containerd/containerd/images"
"github.com/containerd/containerd/platforms"
"github.com/containerd/containerd/remotes"
"github.com/containerd/containerd/snapshots"
"google.golang.org/grpc"
)
@ -138,10 +140,11 @@ func WithUnpackOpts(opts []UnpackOpt) RemoteOpt {
}
}
// WithPullSnapshotter specifies snapshotter name used for unpacking
func WithPullSnapshotter(snapshotterName string) RemoteOpt {
// WithPullSnapshotter specifies snapshotter name used for unpacking.
func WithPullSnapshotter(snapshotterName string, opts ...snapshots.Opt) RemoteOpt {
return func(_ *Client, c *RemoteContext) error {
c.Snapshotter = snapshotterName
c.SnapshotterOpts = opts
return nil
}
}

4
vendor/github.com/containerd/containerd/cmd/containerd/command/main.go generated vendored
View File

@ -227,6 +227,10 @@ can be used and modified as necessary as a custom configuration.`
}
serve(ctx, l, server.ServeGRPC)
if err := notifyReady(ctx); err != nil {
log.G(ctx).WithError(err).Warn("notify ready failed")
}
log.G(ctx).Infof("containerd successfully booted in %fs", time.Since(start).Seconds())
<-done
return nil

4
vendor/github.com/containerd/containerd/cmd/containerd/command/main_unix.go generated vendored
View File

@ -52,6 +52,10 @@ func handleSignals(ctx context.Context, signals chan os.Signal, serverC chan *se
case unix.SIGPIPE:
continue
default:
if err := notifyStopping(ctx); err != nil {
log.G(ctx).WithError(err).Error("notify stopping failed")
}
if server == nil {
close(done)
return

5
vendor/github.com/containerd/containerd/cmd/containerd/command/main_windows.go generated vendored
View File

@ -50,6 +50,11 @@ func handleSignals(ctx context.Context, signals chan os.Signal, serverC chan *se
server = s
case s := <-signals:
log.G(ctx).WithField("signal", s).Debug("received signal")
if err := notifyStopping(ctx); err != nil {
log.G(ctx).WithError(err).Error("notify stopping failed")
}
if server == nil {
close(done)
return

47
vendor/github.com/containerd/containerd/cmd/containerd/command/notify_linux.go generated vendored Normal file
View File

@ -0,0 +1,47 @@
// +build linux
/*
Copyright The containerd 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 command
import (
"context"
sd "github.com/coreos/go-systemd/v22/daemon"
"github.com/containerd/containerd/log"
)
// notifyReady notifies systemd that the daemon is ready to serve requests
func notifyReady(ctx context.Context) error {
return sdNotify(ctx, sd.SdNotifyReady)
}
// notifyStopping notifies systemd that the daemon is about to be stopped
func notifyStopping(ctx context.Context) error {
return sdNotify(ctx, sd.SdNotifyStopping)
}
func sdNotify(ctx context.Context, state string) error {
notified, err := sd.SdNotify(false, state)
log.G(ctx).
WithError(err).
WithField("notified", notified).
WithField("state", state).
Debug("sd notification")
return err
}

31
vendor/github.com/containerd/containerd/cmd/containerd/command/notify_unsupported.go generated vendored Normal file
View File

@ -0,0 +1,31 @@
// +build !linux
/*
Copyright The containerd 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 command
import (
"context"
)
func notifyReady(ctx context.Context) error {
return nil
}
func notifyStopping(ctx context.Context) error {
return nil
}

3
vendor/github.com/containerd/containerd/cmd/containerd/command/service_windows.go generated vendored
View File

@ -49,8 +49,6 @@ var (
allocConsole = kernel32.NewProc("AllocConsole")
oldStderr windows.Handle
panicFile *os.File
service *handler
)
const defaultServiceName = "containerd"
@ -282,7 +280,6 @@ func launchService(s *server.Server, done chan struct{}) error {
return err
}
service = h
go func() {
if interactive {
err = debug.Run(serviceNameFlag, h)

39
vendor/github.com/containerd/containerd/container.go generated vendored
View File

@ -32,6 +32,7 @@ import (
"github.com/containerd/containerd/images"
"github.com/containerd/containerd/oci"
"github.com/containerd/containerd/runtime/v2/runc/options"
"github.com/containerd/containerd/sys"
"github.com/containerd/typeurl"
prototypes "github.com/gogo/protobuf/types"
ver "github.com/opencontainers/image-spec/specs-go"
@ -422,14 +423,33 @@ func attachExistingIO(response *tasks.GetResponse, ioAttach cio.Attach) (cio.IO,
// loadFifos loads the containers fifos
func loadFifos(response *tasks.GetResponse) *cio.FIFOSet {
path := getFifoDir([]string{
fifos := []string{
response.Process.Stdin,
response.Process.Stdout,
response.Process.Stderr,
})
closer := func() error {
return os.RemoveAll(path)
}
closer := func() error {
var (
err error
dirs = map[string]struct{}{}
)
for _, fifo := range fifos {
if isFifo, _ := sys.IsFifo(fifo); isFifo {
if rerr := os.Remove(fifo); err == nil {
err = rerr
}
dirs[filepath.Dir(fifo)] = struct{}{}
}
}
for dir := range dirs {
// we ignore errors here because we don't
// want to remove the directory if it isn't
// empty
os.Remove(dir)
}
return err
}
return cio.NewFIFOSet(cio.Config{
Stdin: response.Process.Stdin,
Stdout: response.Process.Stdout,
@ -437,14 +457,3 @@ func loadFifos(response *tasks.GetResponse) *cio.FIFOSet {
Terminal: response.Process.Terminal,
}, closer)
}
// getFifoDir looks for any non-empty path for a stdio fifo
// and returns the dir for where it is located
func getFifoDir(paths []string) string {
for _, p := range paths {
if p != "" {
return filepath.Dir(p)
}
}
return ""
}

39
vendor/github.com/containerd/containerd/content/local/store.go generated vendored
View File

@ -92,7 +92,11 @@ func NewLabeledStore(root string, ls LabelStore) (content.Store, error) {
}
func (s *store) Info(ctx context.Context, dgst digest.Digest) (content.Info, error) {
p := s.blobPath(dgst)
p, err := s.blobPath(dgst)
if err != nil {
return content.Info{}, errors.Wrapf(err, "calculating blob info path")
}
fi, err := os.Stat(p)
if err != nil {
if os.IsNotExist(err) {
@ -123,7 +127,10 @@ func (s *store) info(dgst digest.Digest, fi os.FileInfo, labels map[string]strin
// ReaderAt returns an io.ReaderAt for the blob.
func (s *store) ReaderAt(ctx context.Context, desc ocispec.Descriptor) (content.ReaderAt, error) {
p := s.blobPath(desc.Digest)
p, err := s.blobPath(desc.Digest)
if err != nil {
return nil, errors.Wrapf(err, "calculating blob path for ReaderAt")
}
fi, err := os.Stat(p)
if err != nil {
if !os.IsNotExist(err) {
@ -150,7 +157,12 @@ func (s *store) ReaderAt(ctx context.Context, desc ocispec.Descriptor) (content.
// While this is safe to do concurrently, safe exist-removal logic must hold
// some global lock on the store.
func (s *store) Delete(ctx context.Context, dgst digest.Digest) error {
if err := os.RemoveAll(s.blobPath(dgst)); err != nil {
bp, err := s.blobPath(dgst)
if err != nil {
return errors.Wrapf(err, "calculating blob path for delete")
}
if err := os.RemoveAll(bp); err != nil {
if !os.IsNotExist(err) {
return err
}
@ -166,7 +178,11 @@ func (s *store) Update(ctx context.Context, info content.Info, fieldpaths ...str
return content.Info{}, errors.Wrapf(errdefs.ErrFailedPrecondition, "update not supported on immutable content store")
}
p := s.blobPath(info.Digest)
p, err := s.blobPath(info.Digest)
if err != nil {
return content.Info{}, errors.Wrapf(err, "calculating blob path for update")
}
fi, err := os.Stat(p)
if err != nil {
if os.IsNotExist(err) {
@ -512,7 +528,10 @@ func (s *store) writer(ctx context.Context, ref string, total int64, expected di
// TODO(stevvooe): Need to actually store expected here. We have
// code in the service that shouldn't be dealing with this.
if expected != "" {
p := s.blobPath(expected)
p, err := s.blobPath(expected)
if err != nil {
return nil, errors.Wrap(err, "calculating expected blob path for writer")
}
if _, err := os.Stat(p); err == nil {
return nil, errors.Wrapf(errdefs.ErrAlreadyExists, "content %v", expected)
}
@ -607,11 +626,17 @@ func (s *store) Abort(ctx context.Context, ref string) error {
return nil
}
func (s *store) blobPath(dgst digest.Digest) string {
return filepath.Join(s.root, "blobs", dgst.Algorithm().String(), dgst.Hex())
func (s *store) blobPath(dgst digest.Digest) (string, error) {
if err := dgst.Validate(); err != nil {
return "", errors.Wrapf(errdefs.ErrInvalidArgument, "cannot calculate blob path from invalid digest: %v", err)
}
return filepath.Join(s.root, "blobs", dgst.Algorithm().String(), dgst.Hex()), nil
}
func (s *store) ingestRoot(ref string) string {
// we take a digest of the ref to keep the ingest paths constant length.
// Note that this is not the current or potential digest of incoming content.
dgst := digest.FromString(ref)
return filepath.Join(s.root, "ingest", dgst.Hex())
}

4
vendor/github.com/containerd/containerd/content/local/writer.go generated vendored
View File

@ -115,8 +115,8 @@ func (w *writer) Commit(ctx context.Context, size int64, expected digest.Digest,
}
var (
ingest = filepath.Join(w.path, "data")
target = w.s.blobPath(dgst)
ingest = filepath.Join(w.path, "data")
target, _ = w.s.blobPath(dgst) // ignore error because we calculated this dgst
)
// make sure parent directories of blob exist

25
vendor/github.com/containerd/containerd/contrib/seccomp/seccomp_default.go generated vendored
View File

@ -56,7 +56,6 @@ func DefaultProfile(sp *specs.Spec) *specs.LinuxSeccomp {
"accept4",
"access",
"alarm",
"alarm",
"bind",
"brk",
"capget",
@ -66,8 +65,11 @@ func DefaultProfile(sp *specs.Spec) *specs.LinuxSeccomp {
"chown",
"chown32",
"clock_getres",
"clock_getres_time64",
"clock_gettime",
"clock_gettime64",
"clock_nanosleep",
"clock_nanosleep_time64",
"close",
"connect",
"copy_file_range",
@ -117,6 +119,7 @@ func DefaultProfile(sp *specs.Spec) *specs.LinuxSeccomp {
"ftruncate",
"ftruncate64",
"futex",
"futex_time64",
"futimesat",
"getcpu",
"getcwd",
@ -163,6 +166,7 @@ func DefaultProfile(sp *specs.Spec) *specs.LinuxSeccomp {
"io_destroy",
"io_getevents",
"io_pgetevents",
"io_pgetevents_time64",
"ioprio_get",
"ioprio_set",
"io_setup",
@ -200,7 +204,9 @@ func DefaultProfile(sp *specs.Spec) *specs.LinuxSeccomp {
"mq_notify",
"mq_open",
"mq_timedreceive",
"mq_timedreceive_time64",
"mq_timedsend",
"mq_timedsend_time64",
"mq_unlink",
"mremap",
"msgctl",
@ -221,11 +227,13 @@ func DefaultProfile(sp *specs.Spec) *specs.LinuxSeccomp {
"pipe2",
"poll",
"ppoll",
"ppoll_time64",
"prctl",
"pread64",
"preadv",
"prlimit64",
"pselect6",
"pselect6_time64",
"pwrite64",
"pwritev",
"read",
@ -236,6 +244,7 @@ func DefaultProfile(sp *specs.Spec) *specs.LinuxSeccomp {
"recv",
"recvfrom",
"recvmmsg",
"recvmmsg_time64",
"recvmsg",
"remap_file_pages",
"removexattr",
@ -251,6 +260,7 @@ func DefaultProfile(sp *specs.Spec) *specs.LinuxSeccomp {
"rt_sigreturn",
"rt_sigsuspend",
"rt_sigtimedwait",
"rt_sigtimedwait_time64",
"rt_tgsigqueueinfo",
"sched_getaffinity",
"sched_getattr",
@ -259,6 +269,7 @@ func DefaultProfile(sp *specs.Spec) *specs.LinuxSeccomp {
"sched_get_priority_min",
"sched_getscheduler",
"sched_rr_get_interval",
"sched_rr_get_interval_time64",
"sched_setaffinity",
"sched_setattr",
"sched_setparam",
@ -270,6 +281,7 @@ func DefaultProfile(sp *specs.Spec) *specs.LinuxSeccomp {
"semget",
"semop",
"semtimedop",
"semtimedop_time64",
"send",
"sendfile",
"sendfile64",
@ -335,12 +347,16 @@ func DefaultProfile(sp *specs.Spec) *specs.LinuxSeccomp {
"time",
"timer_create",
"timer_delete",
"timerfd_create",
"timerfd_gettime",
"timerfd_settime",
"timer_getoverrun",
"timer_gettime",
"timer_gettime64",
"timer_settime",
"timer_settime64",
"timerfd_create",
"timerfd_gettime",
"timerfd_gettime64",
"timerfd_settime",
"timerfd_settime64",
"times",
"tkill",
"truncate",
@ -352,6 +368,7 @@ func DefaultProfile(sp *specs.Spec) *specs.LinuxSeccomp {
"unlinkat",
"utime",
"utimensat",
"utimensat_time64",
"utimes",
"vfork",
"vmsplice",

4
vendor/github.com/containerd/containerd/diff/apply/apply_linux.go generated vendored
View File

@ -26,7 +26,7 @@ import (
"github.com/containerd/containerd/archive"
"github.com/containerd/containerd/errdefs"
"github.com/containerd/containerd/mount"
"github.com/opencontainers/runc/libcontainer/system"
"github.com/containerd/containerd/sys"
"github.com/pkg/errors"
)
@ -35,7 +35,7 @@ func apply(ctx context.Context, mounts []mount.Mount, r io.Reader) error {
case len(mounts) == 1 && mounts[0].Type == "overlay":
// OverlayConvertWhiteout (mknod c 0 0) doesn't work in userns.
// https://github.com/containerd/containerd/issues/3762
if system.RunningInUserNS() {
if sys.RunningInUserNS() {
break
}
path, parents, err := getOverlayPath(mounts[0].Options)

8
vendor/github.com/containerd/containerd/lease.go generated vendored
View File

@ -25,11 +25,11 @@ import (
// WithLease attaches a lease on the context
func (c *Client) WithLease(ctx context.Context, opts ...leases.Opt) (context.Context, func(context.Context) error, error) {
nop := func(context.Context) error { return nil }
_, ok := leases.FromContext(ctx)
if ok {
return ctx, func(context.Context) error {
return nil
}, nil
return ctx, nop, nil
}
ls := c.LeasesService()
@ -44,7 +44,7 @@ func (c *Client) WithLease(ctx context.Context, opts ...leases.Opt) (context.Con
l, err := ls.Create(ctx, opts...)
if err != nil {
return nil, nil, err
return ctx, nop, err
}
ctx = leases.WithLease(ctx, l.ID)

4
vendor/github.com/containerd/containerd/metrics/cgroups/v1/cgroups.go generated vendored
View File

@ -35,7 +35,7 @@ import (
// NewTaskMonitor returns a new cgroups monitor
func NewTaskMonitor(ctx context.Context, publisher events.Publisher, ns *metrics.Namespace) (runtime.TaskMonitor, error) {
collector := newCollector(ns)
collector := NewCollector(ns)
oom, err := newOOMCollector(ns)
if err != nil {
return nil, err
@ -49,7 +49,7 @@ func NewTaskMonitor(ctx context.Context, publisher events.Publisher, ns *metrics
}
type cgroupsMonitor struct {
collector *collector
collector *Collector
oom *oomCollector
context context.Context
publisher events.Publisher

5
vendor/github.com/containerd/containerd/metrics/cgroups/v1/metric.go generated vendored
View File

@ -24,6 +24,9 @@ import (
"github.com/prometheus/client_golang/prometheus"
)
// IDName is the name that is used to identify the id being collected in the metric
var IDName = "container_id"
type value struct {
v float64
l []string
@ -41,7 +44,7 @@ type metric struct {
func (m *metric) desc(ns *metrics.Namespace) *prometheus.Desc {
// the namespace label is for containerd namespaces
return ns.NewDesc(m.name, m.help, m.unit, append([]string{"container_id", "namespace"}, m.labels...)...)
return ns.NewDesc(m.name, m.help, m.unit, append([]string{IDName, "namespace"}, m.labels...)...)
}
func (m *metric) collect(id, namespace string, stats *v1.Metrics, ns *metrics.Namespace, ch chan<- prometheus.Metric, block bool) {

49
vendor/github.com/containerd/containerd/metrics/cgroups/v1/metrics.go generated vendored
View File

@ -27,26 +27,33 @@ import (
"github.com/containerd/containerd/log"
v1 "github.com/containerd/containerd/metrics/types/v1"
"github.com/containerd/containerd/namespaces"
"github.com/containerd/containerd/runtime"
"github.com/containerd/typeurl"
metrics "github.com/docker/go-metrics"
"github.com/gogo/protobuf/types"
"github.com/prometheus/client_golang/prometheus"
)
// Statable type that returns cgroup metrics
type Statable interface {
ID() string
Namespace() string
Stats(context.Context) (*types.Any, error)
}
// Trigger will be called when an event happens and provides the cgroup
// where the event originated from
type Trigger func(string, string, cgroups.Cgroup)
// newCollector registers the collector with the provided namespace and returns it so
// NewCollector registers the collector with the provided namespace and returns it so
// that cgroups can be added for collection
func newCollector(ns *metrics.Namespace) *collector {
func NewCollector(ns *metrics.Namespace) *Collector {
if ns == nil {
return &collector{}
return &Collector{}
}
// add machine cpus and memory info
c := &collector{
c := &Collector{
ns: ns,
tasks: make(map[string]runtime.Task),
tasks: make(map[string]Statable),
}
c.metrics = append(c.metrics, pidMetrics...)
c.metrics = append(c.metrics, cpuMetrics...)
@ -62,24 +69,26 @@ func taskID(id, namespace string) string {
return fmt.Sprintf("%s-%s", id, namespace)
}
// collector provides the ability to collect container stats and export
// Collector provides the ability to collect container stats and export
// them in the prometheus format
type collector struct {
type Collector struct {
mu sync.RWMutex
tasks map[string]runtime.Task
tasks map[string]Statable
ns *metrics.Namespace
metrics []*metric
storedMetrics chan prometheus.Metric
}
func (c *collector) Describe(ch chan<- *prometheus.Desc) {
// Describe prometheus metrics
func (c *Collector) Describe(ch chan<- *prometheus.Desc) {
for _, m := range c.metrics {
ch <- m.desc(c.ns)
}
}
func (c *collector) Collect(ch chan<- prometheus.Metric) {
// Collect prometheus metrics
func (c *Collector) Collect(ch chan<- prometheus.Metric) {
c.mu.RLock()
wg := &sync.WaitGroup{}
for _, t := range c.tasks {
@ -100,7 +109,7 @@ storedLoop:
wg.Wait()
}
func (c *collector) collect(t runtime.Task, ch chan<- prometheus.Metric, block bool, wg *sync.WaitGroup) {
func (c *Collector) collect(t Statable, ch chan<- prometheus.Metric, block bool, wg *sync.WaitGroup) {
if wg != nil {
defer wg.Done()
}
@ -126,7 +135,7 @@ func (c *collector) collect(t runtime.Task, ch chan<- prometheus.Metric, block b
}
// Add adds the provided cgroup and id so that metrics are collected and exported
func (c *collector) Add(t runtime.Task) error {
func (c *Collector) Add(t Statable) error {
if c.ns == nil {
return nil
}
@ -141,11 +150,21 @@ func (c *collector) Add(t runtime.Task) error {
}
// Remove removes the provided cgroup by id from the collector
func (c *collector) Remove(t runtime.Task) {
func (c *Collector) Remove(t Statable) {
if c.ns == nil {
return
}
c.mu.Lock()
defer c.mu.Unlock()
delete(c.tasks, taskID(t.ID(), t.Namespace()))
c.mu.Unlock()
}
// RemoveAll statable items from the collector
func (c *Collector) RemoveAll() {
if c.ns == nil {
return
}
c.mu.Lock()
c.tasks = make(map[string]Statable)
c.mu.Unlock()
}

4
vendor/github.com/containerd/containerd/metrics/cgroups/v2/cgroups.go generated vendored
View File

@ -30,7 +30,7 @@ import (
// NewTaskMonitor returns a new cgroups monitor
func NewTaskMonitor(ctx context.Context, publisher events.Publisher, ns *metrics.Namespace) (runtime.TaskMonitor, error) {
collector := newCollector(ns)
collector := NewCollector(ns)
return &cgroupsMonitor{
collector: collector,
context: ctx,
@ -39,7 +39,7 @@ func NewTaskMonitor(ctx context.Context, publisher events.Publisher, ns *metrics
}
type cgroupsMonitor struct {
collector *collector
collector *Collector
context context.Context
publisher events.Publisher
}

5
vendor/github.com/containerd/containerd/metrics/cgroups/v2/metric.go generated vendored
View File

@ -24,6 +24,9 @@ import (
"github.com/prometheus/client_golang/prometheus"
)
// IDName is the name that is used to identify the id being collected in the metric
var IDName = "container_id"
type value struct {
v float64
l []string
@ -41,7 +44,7 @@ type metric struct {
func (m *metric) desc(ns *metrics.Namespace) *prometheus.Desc {
// the namespace label is for containerd namespaces
return ns.NewDesc(m.name, m.help, m.unit, append([]string{"container_id", "namespace"}, m.labels...)...)
return ns.NewDesc(m.name, m.help, m.unit, append([]string{IDName, "namespace"}, m.labels...)...)
}
func (m *metric) collect(id, namespace string, stats *v2.Metrics, ns *metrics.Namespace, ch chan<- prometheus.Metric, block bool) {

47
vendor/github.com/containerd/containerd/metrics/cgroups/v2/metrics.go generated vendored
View File

@ -26,21 +26,28 @@ import (
"github.com/containerd/containerd/log"
v2 "github.com/containerd/containerd/metrics/types/v2"
"github.com/containerd/containerd/namespaces"
"github.com/containerd/containerd/runtime"
"github.com/containerd/typeurl"
metrics "github.com/docker/go-metrics"
"github.com/gogo/protobuf/types"
"github.com/prometheus/client_golang/prometheus"
)
// newCollector registers the collector with the provided namespace and returns it so
// Statable type that returns cgroup metrics
type Statable interface {
ID() string
Namespace() string
Stats(context.Context) (*types.Any, error)
}
// NewCollector registers the collector with the provided namespace and returns it so
// that cgroups can be added for collection
func newCollector(ns *metrics.Namespace) *collector {
func NewCollector(ns *metrics.Namespace) *Collector {
if ns == nil {
return &collector{}
return &Collector{}
}
c := &collector{
c := &Collector{
ns: ns,
tasks: make(map[string]runtime.Task),
tasks: make(map[string]Statable),
}
c.metrics = append(c.metrics, pidMetrics...)
c.metrics = append(c.metrics, cpuMetrics...)
@ -55,24 +62,26 @@ func taskID(id, namespace string) string {
return fmt.Sprintf("%s-%s", id, namespace)
}
// collector provides the ability to collect container stats and export
// Collector provides the ability to collect container stats and export
// them in the prometheus format
type collector struct {
type Collector struct {
mu sync.RWMutex
tasks map[string]runtime.Task
tasks map[string]Statable
ns *metrics.Namespace
metrics []*metric
storedMetrics chan prometheus.Metric
}
func (c *collector) Describe(ch chan<- *prometheus.Desc) {
// Describe prometheus metrics
func (c *Collector) Describe(ch chan<- *prometheus.Desc) {
for _, m := range c.metrics {
ch <- m.desc(c.ns)
}
}
func (c *collector) Collect(ch chan<- prometheus.Metric) {
// Collect prometheus metrics
func (c *Collector) Collect(ch chan<- prometheus.Metric) {
c.mu.RLock()
wg := &sync.WaitGroup{}
for _, t := range c.tasks {
@ -93,7 +102,7 @@ storedLoop:
wg.Wait()
}
func (c *collector) collect(t runtime.Task, ch chan<- prometheus.Metric, block bool, wg *sync.WaitGroup) {
func (c *Collector) collect(t Statable, ch chan<- prometheus.Metric, block bool, wg *sync.WaitGroup) {
if wg != nil {
defer wg.Done()
}
@ -119,7 +128,7 @@ func (c *collector) collect(t runtime.Task, ch chan<- prometheus.Metric, block b
}
// Add adds the provided cgroup and id so that metrics are collected and exported
func (c *collector) Add(t runtime.Task) error {
func (c *Collector) Add(t Statable) error {
if c.ns == nil {
return nil
}
@ -134,7 +143,7 @@ func (c *collector) Add(t runtime.Task) error {
}
// Remove removes the provided cgroup by id from the collector
func (c *collector) Remove(t runtime.Task) {
func (c *Collector) Remove(t Statable) {
if c.ns == nil {
return
}
@ -142,3 +151,13 @@ func (c *collector) Remove(t runtime.Task) {
defer c.mu.Unlock()
delete(c.tasks, taskID(t.ID(), t.Namespace()))
}
// RemoveAll statable items from the collector
func (c *Collector) RemoveAll() {
if c.ns == nil {
return
}
c.mu.Lock()
c.tasks = make(map[string]Statable)
c.mu.Unlock()
}

8
vendor/github.com/containerd/containerd/mount/mountinfo_linux.go generated vendored
View File

@ -45,10 +45,6 @@ func parseInfoFile(r io.Reader) ([]Info, error) {
out := []Info{}
var err error
for s.Scan() {
if err = s.Err(); err != nil {
return nil, err
}
/*
See http://man7.org/linux/man-pages/man5/proc.5.html
@ -128,6 +124,10 @@ func parseInfoFile(r io.Reader) ([]Info, error) {
out = append(out, p)
}
if err = s.Err(); err != nil {
return nil, err
}
return out, nil
}

6
vendor/github.com/containerd/containerd/oci/spec_opts.go generated vendored
View File

@ -1238,11 +1238,11 @@ func WithEnvFile(path string) SpecOpts {
sc := bufio.NewScanner(f)
for sc.Scan() {
if sc.Err() != nil {
return sc.Err()
}
vars = append(vars, sc.Text())
}
if err = sc.Err(); err != nil {
return err
}
return WithEnv(vars)(nil, nil, nil, s)
}
}

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