DockerCLI/cli/command/volume/list.go

97 lines
2.7 KiB
Go

package volume
import (
"context"
"sort"
"github.com/docker/cli/cli"
"github.com/docker/cli/cli/command"
"github.com/docker/cli/cli/command/completion"
"github.com/docker/cli/cli/command/formatter"
flagsHelper "github.com/docker/cli/cli/flags"
"github.com/docker/cli/opts"
"github.com/fvbommel/sortorder"
"github.com/spf13/cobra"
)
const (
clusterTableFormat = "table {{.Name}}\t{{.Group}}\t{{.Driver}}\t{{.Availability}}\t{{.Status}}"
)
type listOptions struct {
quiet bool
format string
cluster bool
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)
},
ValidArgsFunction: completion.NoComplete,
}
flags := cmd.Flags()
flags.BoolVarP(&options.quiet, "quiet", "q", false, "Only display volume names")
flags.StringVar(&options.format, "format", "", flagsHelper.FormatHelp)
flags.VarP(&options.filter, "filter", "f", "Provide filter values (e.g. 'dangling=true')")
flags.BoolVar(&options.cluster, "cluster", false, "Display only cluster volumes, and use cluster volume list formatting")
flags.SetAnnotation("cluster", "version", []string{"1.42"})
flags.SetAnnotation("cluster", "swarm", []string{"manager"})
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 && !options.cluster {
if len(dockerCli.ConfigFile().VolumesFormat) > 0 && !options.quiet {
format = dockerCli.ConfigFile().VolumesFormat
} else {
format = formatter.TableFormatKey
}
} else if options.cluster {
// TODO(dperny): write server-side filter for cluster volumes. For this
// proof of concept, we'll just filter out non-cluster volumes here
// trick for filtering in place
n := 0
for _, volume := range volumes.Volumes {
if volume.ClusterVolume != nil {
volumes.Volumes[n] = volume
n++
}
}
volumes.Volumes = volumes.Volumes[:n]
if !options.quiet {
format = clusterTableFormat
} else {
format = formatter.TableFormatKey
}
}
sort.Slice(volumes.Volumes, func(i, j int) bool {
return sortorder.NaturalLess(volumes.Volumes[i].Name, volumes.Volumes[j].Name)
})
volumeCtx := formatter.Context{
Output: dockerCli.Out(),
Format: formatter.NewVolumeFormat(format, options.quiet),
}
return formatter.VolumeWrite(volumeCtx, volumes.Volumes)
}