github.com/vieux/docker@v0.6.3-0.20161004191708-e097c2a938c7/cli/command/checkpoint/list.go (about)

     1  // +build experimental
     2  
     3  package checkpoint
     4  
     5  import (
     6  	"fmt"
     7  	"text/tabwriter"
     8  
     9  	"golang.org/x/net/context"
    10  
    11  	"github.com/docker/docker/cli"
    12  	"github.com/docker/docker/cli/command"
    13  	"github.com/spf13/cobra"
    14  )
    15  
    16  func newListCommand(dockerCli *command.DockerCli) *cobra.Command {
    17  	return &cobra.Command{
    18  		Use:     "ls CONTAINER",
    19  		Aliases: []string{"list"},
    20  		Short:   "List checkpoints for a container",
    21  		Args:    cli.ExactArgs(1),
    22  		RunE: func(cmd *cobra.Command, args []string) error {
    23  			return runList(dockerCli, args[0])
    24  		},
    25  	}
    26  }
    27  
    28  func runList(dockerCli *command.DockerCli, container string) error {
    29  	client := dockerCli.Client()
    30  
    31  	checkpoints, err := client.CheckpointList(context.Background(), container)
    32  	if err != nil {
    33  		return err
    34  	}
    35  
    36  	w := tabwriter.NewWriter(dockerCli.Out(), 20, 1, 3, ' ', 0)
    37  	fmt.Fprintf(w, "CHECKPOINT NAME")
    38  	fmt.Fprintf(w, "\n")
    39  
    40  	for _, checkpoint := range checkpoints {
    41  		fmt.Fprintf(w, "%s\t", checkpoint.Name)
    42  		fmt.Fprint(w, "\n")
    43  	}
    44  
    45  	w.Flush()
    46  	return nil
    47  }