mirror of https://github.com/docker/docs.git
54 lines
1.4 KiB
Go
54 lines
1.4 KiB
Go
package main
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import (
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"github.com/dotcloud/docker/api/server"
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"github.com/dotcloud/docker/engine"
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"strings"
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"os"
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"fmt"
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"time"
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)
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func main() {
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eng := engine.New()
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eng.Logging = false
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eng.RegisterCatchall(func(job *engine.Job) engine.Status {
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fmt.Printf("--> %s %s\n", job.Name, strings.Join(job.Args, " "))
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for k, v := range job.Env().Map() {
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fmt.Printf(" %s=%s\n", k, v)
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}
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// This helps us detect the race condition if our time.Sleep
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// missed it. (see comment below)
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if job.Name == "acceptconnections" {
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panic("race condition in github.com/dotcloud/docker/api/server/ServeApi")
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}
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return engine.StatusOK
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})
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eng.Register(os.Args[0], server.ServeApi)
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// Register the entrypoint job as the current proces command name,
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// to get matching usage straight from the job.
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go func() {
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serve := eng.Job(os.Args[0], os.Args[1:]...)
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serve.Stdout.Add(os.Stdout)
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serve.Stderr.Add(os.Stderr)
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if err := serve.Run(); err != nil {
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Fatalf("%v", err)
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}
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}()
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// There is a race condition in engine.ServeApi.
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// As a workaround we sleep to give it time to register 'acceptconnections'.
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time.Sleep(1)
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// Notify that we're ready to receive connections
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if err := eng.Job("acceptconnections").Run(); err != nil {
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Fatalf("%v", err)
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}
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// Inifinite loop
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<-make(chan struct{})
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}
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func Fatalf(msg string, args ...interface{}) {
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fmt.Fprintf(os.Stderr, msg, args...)
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os.Exit(1)
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}
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