本文整理匯總了Golang中github.com/coreos/etcdctl/third_party/github.com/coreos/go-etcd/etcd.Client.Watch方法的典型用法代碼示例。如果您正苦於以下問題：Golang Client.Watch方法的具體用法？Golang Client.Watch怎麽用？Golang Client.Watch使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類github.com/coreos/etcdctl/third_party/github.com/coreos/go-etcd/etcd.Client的用法示例。
在下文中一共展示了Client.Watch方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。
示例1: execWatchCommandFunc
// execWatchCommandFunc executes the "exec-watch" command.
func execWatchCommandFunc(c *cli.Context, client *etcd.Client) (*etcd.Response, error) {
_ = io.Copy
_ = exec.Command
args := c.Args()
argsLen := len(args)
if argsLen < 2 {
return nil, errors.New("Key and command to exec required")
}
key := args[argsLen-1]
cmdArgs := args[:argsLen-1]
index := 0
if c.Int("after-index") != 0 {
index = c.Int("after-index") + 1
key = args[0]
cmdArgs = args[2:]
}
recursive := c.Bool("recursive")
if recursive != false {
key = args[0]
cmdArgs = args[2:]
}
sigch := make(chan os.Signal, 1)
signal.Notify(sigch, os.Interrupt)
stop := make(chan bool)
go func() {
<-sigch
stop <- true
os.Exit(0)
}()
receiver := make(chan *etcd.Response)
client.SetConsistency(etcd.WEAK_CONSISTENCY)
go client.Watch(key, uint64(index), recursive, receiver, stop)
for {
resp := <-receiver
cmd := exec.Command(cmdArgs[0], cmdArgs[1:]...)
cmd.Env = environResponse(resp, os.Environ())
stdout, err := cmd.StdoutPipe()
if err != nil {
fmt.Fprintf(os.Stderr, err.Error())
os.Exit(1)
}
stderr, err := cmd.StderrPipe()
if err != nil {
fmt.Fprintf(os.Stderr, err.Error())
os.Exit(1)
}
err = cmd.Start()
if err != nil {
fmt.Fprintf(os.Stderr, err.Error())
os.Exit(1)
}
go io.Copy(os.Stdout, stdout)
go io.Copy(os.Stderr, stderr)
cmd.Wait()
}
return nil, nil
}