moby/api/client/wait.go
Lei Jitang 2b0927c9ac Use consistent command description
Signed-off-by: Lei Jitang <leijitang@huawei.com>
2015-10-08 08:46:21 -04:00

35 lines
910 B
Go

package client
import (
"fmt"
Cli "github.com/docker/docker/cli"
flag "github.com/docker/docker/pkg/mflag"
)
// CmdWait blocks until a container stops, then prints its exit code.
//
// If more than one container is specified, this will wait synchronously on each container.
//
// Usage: docker wait CONTAINER [CONTAINER...]
func (cli *DockerCli) CmdWait(args ...string) error {
cmd := Cli.Subcmd("wait", []string{"CONTAINER [CONTAINER...]"}, Cli.DockerCommands["wait"].Description, true)
cmd.Require(flag.Min, 1)
cmd.ParseFlags(args, true)
var errNames []string
for _, name := range cmd.Args() {
status, err := waitForExit(cli, name)
if err != nil {
fmt.Fprintf(cli.err, "%s\n", err)
errNames = append(errNames, name)
} else {
fmt.Fprintf(cli.out, "%d\n", status)
}
}
if len(errNames) > 0 {
return fmt.Errorf("Error: failed to wait containers: %v", errNames)
}
return nil
}