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moby--moby/api/client/rename.go

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package client
import "fmt"
// CmdRename renames a container.
//
// Usage: docker rename OLD_NAME NEW_NAME
func (cli *DockerCli) CmdRename(args ...string) error {
cmd := cli.Subcmd("rename", "OLD_NAME NEW_NAME", "Rename a container", true)
if err := cmd.Parse(args); err != nil {
return nil
}
if cmd.NArg() != 2 {
cmd.Usage()
return nil
}
oldName := cmd.Arg(0)
newName := cmd.Arg(1)
if _, _, err := readBody(cli.call("POST", fmt.Sprintf("/containers/%s/rename?name=%s", oldName, newName), nil, nil)); err != nil {
fmt.Fprintf(cli.err, "%s\n", err)
return fmt.Errorf("Error: failed to rename container named %s", oldName)
}
return nil
}