DockerCLI/cli/command/volume/create.go

70 lines
1.8 KiB
Go

package volume
import (
"fmt"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/opts"
volumetypes "github.com/docker/docker/api/types/volume"
"github.com/pkg/errors"
"github.com/spf13/cobra"
"golang.org/x/net/context"
)
type createOptions struct {
name string
driver string
driverOpts opts.MapOpts
labels opts.ListOpts
}
func newCreateCommand(dockerCli command.Cli) *cobra.Command {
options := createOptions{
driverOpts: *opts.NewMapOpts(nil, nil),
labels: opts.NewListOpts(opts.ValidateEnv),
}
cmd := &cobra.Command{
Use: "create [OPTIONS] [VOLUME]",
Short: "Create a volume",
Args: cli.RequiresMaxArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
if len(args) == 1 {
if options.name != "" {
return errors.Errorf("Conflicting options: either specify --name or provide positional arg, not both\n")
}
options.name = args[0]
}
return runCreate(dockerCli, options)
},
}
flags := cmd.Flags()
flags.StringVarP(&options.driver, "driver", "d", "local", "Specify volume driver name")
flags.StringVar(&options.name, "name", "", "Specify volume name")
flags.Lookup("name").Hidden = true
flags.VarP(&options.driverOpts, "opt", "o", "Set driver specific options")
flags.Var(&options.labels, "label", "Set metadata for a volume")
return cmd
}
func runCreate(dockerCli command.Cli, options createOptions) error {
client := dockerCli.Client()
volReq := volumetypes.VolumesCreateBody{
Driver: options.driver,
DriverOpts: options.driverOpts.GetAll(),
Name: options.name,
Labels: opts.ConvertKVStringsToMap(options.labels.GetAll()),
}
vol, err := client.VolumeCreate(context.Background(), volReq)
if err != nil {
return err
}
fmt.Fprintf(dockerCli.Out(), "%s\n", vol.Name)
return nil
}