tools/dashboard/cmd/gomote/destroy.go

82 lines
1.7 KiB
Go

// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build extdep
package main
import (
"errors"
"flag"
"fmt"
"log"
"os"
"time"
"golang.org/x/tools/dashboard/buildlet"
)
func destroy(args []string) error {
fs := flag.NewFlagSet("destroy", flag.ContinueOnError)
fs.Usage = func() {
fmt.Fprintln(os.Stderr, "create usage: gomote destroy <instance>\n\n")
fs.PrintDefaults()
os.Exit(1)
}
fs.Parse(args)
if fs.NArg() != 1 {
fs.Usage()
}
name := fs.Arg(0)
bc, err := namedClient(name)
if err != nil {
return err
}
// Ask it to kill itself, and tell GCE to kill it too:
gceErrc := make(chan error, 1)
buildletErrc := make(chan error, 1)
go func() {
gceErrc <- buildlet.DestroyVM(projTokenSource(), *proj, *zone, fmt.Sprintf("mote-%s-%s", username(), name))
}()
go func() {
buildletErrc <- bc.Destroy()
}()
timeout := time.NewTimer(5 * time.Second)
defer timeout.Stop()
var retErr error
var gceDone, buildletDone bool
for !gceDone || !buildletDone {
select {
case err := <-gceErrc:
if err != nil {
log.Printf("GCE: %v", err)
retErr = err
} else {
log.Printf("Requested GCE delete.")
}
gceDone = true
case err := <-buildletErrc:
if err != nil {
log.Printf("Buildlet: %v", err)
retErr = err
} else {
log.Printf("Requested buildlet to shut down.")
}
buildletDone = true
case <-timeout.C:
if !buildletDone {
log.Printf("timeout asking buildlet to shut down")
}
if !gceDone {
log.Printf("timeout asking GCE to delete builder VM")
}
return errors.New("timeout")
}
}
return retErr
}