github.com/endophage/docker@v1.4.2-0.20161027011718-242853499895/cli/command/checkpoint/list.go (about)

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