github.com/DaoCloud/dao@v0.0.0-20161212064103-c3dbfd13ee36/api/client/container/pause.go (about)

     1  package container
     2  
     3  import (
     4  	"fmt"
     5  	"strings"
     6  
     7  	"golang.org/x/net/context"
     8  
     9  	"github.com/docker/docker/api/client"
    10  	"github.com/docker/docker/cli"
    11  	"github.com/spf13/cobra"
    12  )
    13  
    14  type pauseOptions struct {
    15  	containers []string
    16  }
    17  
    18  // NewPauseCommand creats a new cobra.Command for `docker pause`
    19  func NewPauseCommand(dockerCli *client.DockerCli) *cobra.Command {
    20  	var opts pauseOptions
    21  
    22  	cmd := &cobra.Command{
    23  		Use:   "pause CONTAINER [CONTAINER...]",
    24  		Short: "暂停一个或多个容器内部的所有进程的运行",
    25  		Args:  cli.RequiresMinArgs(1),
    26  		RunE: func(cmd *cobra.Command, args []string) error {
    27  			opts.containers = args
    28  			return runPause(dockerCli, &opts)
    29  		},
    30  	}
    31  
    32  	return cmd
    33  }
    34  
    35  func runPause(dockerCli *client.DockerCli, opts *pauseOptions) error {
    36  	ctx := context.Background()
    37  
    38  	var errs []string
    39  	for _, container := range opts.containers {
    40  		if err := dockerCli.Client().ContainerPause(ctx, container); err != nil {
    41  			errs = append(errs, err.Error())
    42  		} else {
    43  			fmt.Fprintf(dockerCli.Out(), "%s\n", container)
    44  		}
    45  	}
    46  	if len(errs) > 0 {
    47  		return fmt.Errorf("%s", strings.Join(errs, "\n"))
    48  	}
    49  	return nil
    50  }