github.com/hamo/docker@v1.11.1/api/client/rename.go (about)

     1  package client
     2  
     3  import (
     4  	"fmt"
     5  	"strings"
     6  
     7  	"golang.org/x/net/context"
     8  
     9  	Cli "github.com/docker/docker/cli"
    10  	flag "github.com/docker/docker/pkg/mflag"
    11  )
    12  
    13  // CmdRename renames a container.
    14  //
    15  // Usage: docker rename OLD_NAME NEW_NAME
    16  func (cli *DockerCli) CmdRename(args ...string) error {
    17  	cmd := Cli.Subcmd("rename", []string{"OLD_NAME NEW_NAME"}, Cli.DockerCommands["rename"].Description, true)
    18  	cmd.Require(flag.Exact, 2)
    19  
    20  	cmd.ParseFlags(args, true)
    21  
    22  	oldName := strings.TrimSpace(cmd.Arg(0))
    23  	newName := strings.TrimSpace(cmd.Arg(1))
    24  
    25  	if oldName == "" || newName == "" {
    26  		return fmt.Errorf("Error: Neither old nor new names may be empty")
    27  	}
    28  
    29  	if err := cli.client.ContainerRename(context.Background(), oldName, newName); err != nil {
    30  		fmt.Fprintf(cli.err, "%s\n", err)
    31  		return fmt.Errorf("Error: failed to rename container named %s", oldName)
    32  	}
    33  	return nil
    34  }