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59 lines
1.4 KiB
59 lines
1.4 KiB
/*
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Copyright 2016 The Kubernetes Authors All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package main // import "k8s.io/helm/cmd/tiller"
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import (
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"net/http"
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_ "net/http/pprof"
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"google.golang.org/grpc"
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)
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func startTracing(addr string) {
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logger.Printf("Tracing server is listening on %s\n", addr)
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grpc.EnableTracing = true
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http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
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if r.URL.Path != "/" {
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http.NotFound(w, r)
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return
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}
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w.Header().Set("Content-Type", "text/html; charset=utf-8")
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w.Write([]byte(traceIndexHTML))
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})
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go func() {
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if err := http.ListenAndServe(addr, nil); err != nil {
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logger.Printf("tracing error: %s", err)
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}
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}()
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}
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const traceIndexHTML = `<!DOCTYPE html>
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<html>
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<body>
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<ul>
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<li><a href="/debug/requests">requests</a></li>
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<li><a href="/debug/events">events</a></li>
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<li><a href="/debug/pprof">pprof</a></li>
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<li><a href="/debug/vars">vars</a></li>
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</ul>
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</body>
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</html>
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`
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