Files
docker-cli/components/engine/api/client/wait.go
Qiang Huang cb08f823e3 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>
Upstream-commit: e0dc4f27f66d4311238adf4d7027bb3c6b58ad26
Component: engine
2015-12-29 22:03:39 +08:00

36 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
}