mirror of
https://github.com/ethereum/go-ethereum.git
synced 2026-04-27 20:12:23 +00:00
388d8ccd9f
* simv2: wip * simulation: exec adapter start/stop * simulation: add node status to exec adapter * simulation: initial simulation code * simulation: exec adapter, configure path to executable * simulation: initial docker adapter * simulation: wip kubernetes adapter * simulation: kubernetes adapter proxy * simulation: implement GetAll/StartAll/StopAll * simulation: kuberentes adapter - set env vars and resource limits * simulation: discovery test * simulation: remove port definitions within docker adapter * simulation: simplify wait for healthy loop * simulation: get nat ip addr from interface * simulation: pull docker images automatically * simulation: NodeStatus -> NodeInfo * simulation: move discovery test to example dir * simulation: example snapshot usage * simulation: add goclient specific simulation * simulation: add peer connections to snapshot * simulation: close rpc client * simulation: don't export kubernetes proxy server * simulation: merge simulation code * simulation: don't export nodemap * simulation: rename SimulationSnapshot -> Snapshot * simulation: linting fixes * simulation: add k8s available helper func * simulation: vendor * simulation: fix 'no non-test Go files' when building * simulation: remove errors from interface methods where non were returned * simulation: run getHealthInfo check in parallel
69 lines
1.5 KiB
Go
69 lines
1.5 KiB
Go
// Copyright 2011 Google Inc. All rights reserved.
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// Use of this source code is governed by the Apache 2.0
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// license that can be found in the LICENSE file.
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// +build !appengine
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package internal
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import (
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"io"
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"log"
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"net/http"
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"net/url"
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"os"
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"path/filepath"
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"runtime"
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)
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func Main() {
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MainPath = filepath.Dir(findMainPath())
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installHealthChecker(http.DefaultServeMux)
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port := "8080"
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if s := os.Getenv("PORT"); s != "" {
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port = s
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}
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host := ""
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if IsDevAppServer() {
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host = "127.0.0.1"
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}
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if err := http.ListenAndServe(host+":"+port, http.HandlerFunc(handleHTTP)); err != nil {
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log.Fatalf("http.ListenAndServe: %v", err)
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}
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}
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// Find the path to package main by looking at the root Caller.
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func findMainPath() string {
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pc := make([]uintptr, 100)
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n := runtime.Callers(2, pc)
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frames := runtime.CallersFrames(pc[:n])
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for {
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frame, more := frames.Next()
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// Tests won't have package main, instead they have testing.tRunner
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if frame.Function == "main.main" || frame.Function == "testing.tRunner" {
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return frame.File
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}
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if !more {
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break
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}
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}
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return ""
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}
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func installHealthChecker(mux *http.ServeMux) {
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// If no health check handler has been installed by this point, add a trivial one.
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const healthPath = "/_ah/health"
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hreq := &http.Request{
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Method: "GET",
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URL: &url.URL{
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Path: healthPath,
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},
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}
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if _, pat := mux.Handler(hreq); pat != healthPath {
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mux.HandleFunc(healthPath, func(w http.ResponseWriter, r *http.Request) {
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io.WriteString(w, "ok")
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})
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}
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}
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