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moby--moby/cli/command/container/unpause.go
Zhang Wei f1dda4395e Add parallel operation support for pause/unpause
Support parallel pause/unpause

Signed-off-by: Zhang Wei <zhangwei555@huawei.com>
2016-09-13 11:01:28 +08:00

50 lines
1.2 KiB
Go

package container
import (
"fmt"
"strings"
"golang.org/x/net/context"
"github.com/docker/docker/cli"
"github.com/docker/docker/cli/command"
"github.com/spf13/cobra"
)
type unpauseOptions struct {
containers []string
}
// NewUnpauseCommand creates a new cobra.Command for `docker unpause`
func NewUnpauseCommand(dockerCli *command.DockerCli) *cobra.Command {
var opts unpauseOptions
cmd := &cobra.Command{
Use: "unpause CONTAINER [CONTAINER...]",
Short: "Unpause all processes within one or more containers",
Args: cli.RequiresMinArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
opts.containers = args
return runUnpause(dockerCli, &opts)
},
}
return cmd
}
func runUnpause(dockerCli *command.DockerCli, opts *unpauseOptions) error {
ctx := context.Background()
var errs []string
errChan := parallelOperation(ctx, opts.containers, dockerCli.Client().ContainerUnpause)
for _, container := range opts.containers {
if err := <-errChan; err != nil {
errs = append(errs, err.Error())
} else {
fmt.Fprintf(dockerCli.Out(), "%s\n", container)
}
}
if len(errs) > 0 {
return fmt.Errorf("%s", strings.Join(errs, "\n"))
}
return nil
}