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moby--moby/api/client/wait.go
Qiang Huang e0dc4f27f6 Remove redundant error messages
For operations on multi containers, we printed error for each
failed container, then printed an extra message for container
names, it seems redundant.

Addresses comments:
https://github.com/docker/docker/pull/15078#discussion_r47988449

Signed-off-by: Qiang Huang <h.huangqiang@huawei.com>
2015-12-29 22:03:39 +08:00

35 lines
913 B
Go

package client
import (
"fmt"
"strings"
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 errs []string
for _, name := range cmd.Args() {
status, err := cli.client.ContainerWait(name)
if err != nil {
errs = append(errs, fmt.Sprintf("Failed to wait container (%s): %s", name, err))
} else {
fmt.Fprintf(cli.out, "%d\n", status)
}
}
if len(errs) > 0 {
return fmt.Errorf("%s", strings.Join(errs, "\n"))
}
return nil
}