containerd/internal/pprof/plugin.go
Brian Goff b85909cd4c shim: Move pprof server to plugin
Makes the pprof server a plugin and also gates by the `shim_tracing`
build tag (like otel is).
With this change, `net/http` is no longer a dependency in the shim.

Signed-off-by: Brian Goff <cpuguy83@gmail.com>
2024-10-03 00:12:50 +00:00

56 lines
1.5 KiB
Go

/*
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 pprof
import (
"expvar"
"net/http"
"net/http/pprof"
"time"
"github.com/containerd/containerd/v2/plugins"
"github.com/containerd/plugin"
"github.com/containerd/plugin/registry"
)
const pluginName = "pprof"
func init() {
registry.Register(&plugin.Registration{
ID: pluginName,
Type: plugins.HTTPHandler,
InitFn: func(ic *plugin.InitContext) (interface{}, error) {
return newHandler(), nil
},
})
}
func newHandler() *http.Server {
m := http.NewServeMux()
m.Handle("/debug/vars", expvar.Handler())
m.Handle("/debug/pprof/", http.HandlerFunc(pprof.Index))
m.Handle("/debug/pprof/cmdline", http.HandlerFunc(pprof.Cmdline))
m.Handle("/debug/pprof/profile", http.HandlerFunc(pprof.Profile))
m.Handle("/debug/pprof/symbol", http.HandlerFunc(pprof.Symbol))
m.Handle("/debug/pprof/trace", http.HandlerFunc(pprof.Trace))
return &http.Server{
Handler: m,
ReadHeaderTimeout: 5 * time.Minute,
}
}