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moby--moby/api/client/rename.go
Lei Jitang 2b0927c9ac Use consistent command description
Signed-off-by: Lei Jitang <leijitang@huawei.com>
2015-10-08 08:46:21 -04:00

32 lines
882 B
Go

package client
import (
"fmt"
"strings"
Cli "github.com/docker/docker/cli"
flag "github.com/docker/docker/pkg/mflag"
)
// CmdRename renames a container.
//
// Usage: docker rename OLD_NAME NEW_NAME
func (cli *DockerCli) CmdRename(args ...string) error {
cmd := Cli.Subcmd("rename", []string{"OLD_NAME NEW_NAME"}, Cli.DockerCommands["rename"].Description, true)
cmd.Require(flag.Exact, 2)
cmd.ParseFlags(args, true)
oldName := strings.TrimSpace(cmd.Arg(0))
newName := strings.TrimSpace(cmd.Arg(1))
if oldName == "" || newName == "" {
return fmt.Errorf("Error: Neither old nor new names may be empty")
}
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
}