DockerCLI/cli/command/volume/list.go

74 lines
1.8 KiB
Go

package volume
import (
"context"
"sort"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/cli/command/formatter"
"github.com/docker/cli/opts"
"github.com/docker/docker/api/types"
"github.com/spf13/cobra"
)
type byVolumeName []*types.Volume
func (r byVolumeName) Len() int { return len(r) }
func (r byVolumeName) Swap(i, j int) { r[i], r[j] = r[j], r[i] }
func (r byVolumeName) Less(i, j int) bool {
return r[i].Name < r[j].Name
}
type listOptions struct {
quiet bool
format string
filter opts.FilterOpt
}
func newListCommand(dockerCli command.Cli) *cobra.Command {
options := listOptions{filter: opts.NewFilterOpt()}
cmd := &cobra.Command{
Use: "ls [OPTIONS]",
Aliases: []string{"list"},
Short: "List volumes",
Args: cli.NoArgs,
RunE: func(cmd *cobra.Command, args []string) error {
return runList(dockerCli, options)
},
}
flags := cmd.Flags()
flags.BoolVarP(&options.quiet, "quiet", "q", false, "Only display volume names")
flags.StringVar(&options.format, "format", "", "Pretty-print volumes using a Go template")
flags.VarP(&options.filter, "filter", "f", "Provide filter values (e.g. 'dangling=true')")
return cmd
}
func runList(dockerCli command.Cli, options listOptions) error {
client := dockerCli.Client()
volumes, err := client.VolumeList(context.Background(), options.filter.Value())
if err != nil {
return err
}
format := options.format
if len(format) == 0 {
if len(dockerCli.ConfigFile().VolumesFormat) > 0 && !options.quiet {
format = dockerCli.ConfigFile().VolumesFormat
} else {
format = formatter.TableFormatKey
}
}
sort.Sort(byVolumeName(volumes.Volumes))
volumeCtx := formatter.Context{
Output: dockerCli.Out(),
Format: formatter.NewVolumeFormat(format, options.quiet),
}
return formatter.VolumeWrite(volumeCtx, volumes.Volumes)
}