本文整理汇总了Golang中github.com/coreos/etcd/Godeps/_workspace/src/github.com/spf13/cobra.Command.Start方法的典型用法代码示例。如果您正苦于以下问题:Golang Command.Start方法的具体用法?Golang Command.Start怎么用?Golang Command.Start使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类github.com/coreos/etcd/Godeps/_workspace/src/github.com/spf13/cobra.Command
的用法示例。
在下文中一共展示了Command.Start方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: CommandFunc
func CommandFunc(cmd *cobra.Command, args []string) {
defer func() {
fmt.Println("deleting...")
os.RemoveAll("infra1.etcd")
os.RemoveAll("infra2.etcd")
os.RemoveAll("infra3.etcd")
}()
oldCmds := make([]*exec.Cmd, 3)
oldOutputs := make([]io.ReadCloser, 3)
newCmds := make([]*exec.Cmd, 3)
newOutputs := make([]io.ReadCloser, 3)
for i := range oldCmds {
oldCmd := exec.Command(cmdFlag.EtcdOld, getInfraFlags(i+1)...)
oldCmds[i] = oldCmd
oldOutput, err := oldCmd.StderrPipe()
if err != nil {
fmt.Fprintln(os.Stderr, err)
return
}
oldOutputs[i] = oldOutput
newCmd := exec.Command(cmdFlag.EtcdNew, getInfraFlags(i+1)...)
newCmds[i] = newCmd
newOutput, err := newCmd.StderrPipe()
if err != nil {
fmt.Fprintln(os.Stderr, err)
return
}
newOutputs[i] = newOutput
}
errChan := make(chan error)
done := make(chan struct{})
for i := range oldCmds {
cmd := oldCmds[i]
go func(i int, cmd *exec.Cmd) {
if err := cmd.Start(); err != nil {
errChan <- err
return
}
done <- struct{}{}
}(i, cmd)
}
cn := 0
for cn != 3 {
cn++
select {
case err := <-errChan:
fmt.Fprintln(os.Stderr, err)
return
case <-done:
}
}
becameActiveCount := 0
for i, o := range oldOutputs {
go func(i int, reader io.ReadCloser) {
scanner := bufio.NewScanner(reader)
for {
for scanner.Scan() {
txt := scanner.Text()
fmt.Printf("[old infra%d] %s\n", i+1, txt)
if strings.Contains(txt, memberStartReadyString) {
mu.Lock()
nodeStatus[fmt.Sprintf("infra%d", i+1)] = "LIVE"
mu.Unlock()
fmt.Printf("[old infra%d] %s READY!!!!!!!!!!!!!\n", i+1, txt)
done <- struct{}{}
}
if strings.HasSuffix(txt, memberReStartReadySuffix) {
fmt.Printf("[old infra%d] reconnected!\n", i+1)
mu.Lock()
nodeStatus[fmt.Sprintf("infra%d", i+1)] = "LIVE"
mu.Unlock()
becameActiveCount++
}
}
}
if err := scanner.Err(); err != nil {
errChan <- err
return
}
}(i, o)
}
for i, o := range newOutputs {
go func(i int, reader io.ReadCloser) {
scanner := bufio.NewScanner(reader)
for {
for scanner.Scan() {
txt := scanner.Text()
fmt.Printf("[new infra%d] %s\n", i+1, txt)
if strings.HasSuffix(txt, memberReStartReadySuffix) {
fmt.Printf("[new infra%d] reconnected!\n", i+1)
mu.Lock()
nodeStatus[fmt.Sprintf("infra%d", i+1)] = "LIVE"
mu.Unlock()
becameActiveCount++
}
}
//.........这里部分代码省略.........