0fab8ecf36
This hides the flags when connecting to an older engine, or if swarm is not enabled, and is also used to add badges in the documentation. Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
68 lines
1.9 KiB
Go
68 lines
1.9 KiB
Go
package volume
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import (
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"context"
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"github.com/docker/cli/cli"
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"github.com/docker/cli/cli/command"
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"github.com/docker/cli/cli/command/completion"
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"github.com/docker/docker/api/types/volume"
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"github.com/pkg/errors"
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"github.com/spf13/cobra"
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"github.com/spf13/pflag"
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)
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func newUpdateCommand(dockerCli command.Cli) *cobra.Command {
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var availability string
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cmd := &cobra.Command{
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Use: "update [OPTIONS] [VOLUME]",
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Short: "Update a volume (cluster volumes only)",
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Args: cli.RequiresMaxArgs(1),
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RunE: func(cmd *cobra.Command, args []string) error {
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return runUpdate(dockerCli, args[0], availability, cmd.Flags())
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},
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Annotations: map[string]string{
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"version": "1.42",
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"swarm": "manager",
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},
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ValidArgsFunction: completion.VolumeNames(dockerCli),
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}
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flags := cmd.Flags()
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flags.StringVar(&availability, "availability", "active", `Cluster Volume availability ("active"|"pause"|"drain")`)
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flags.SetAnnotation("availability", "version", []string{"1.42"})
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flags.SetAnnotation("availability", "swarm", []string{"manager"})
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return cmd
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}
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func runUpdate(dockerCli command.Cli, volumeID, availability string, flags *pflag.FlagSet) error {
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// TODO(dperny): For this earliest version, the only thing that can be
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// updated is Availability, which is necessary because to delete a cluster
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// volume, the availability must first be set to "drain"
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apiClient := dockerCli.Client()
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ctx := context.Background()
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vol, _, err := apiClient.VolumeInspectWithRaw(ctx, volumeID)
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if err != nil {
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return err
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}
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if vol.ClusterVolume == nil {
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return errors.New("Can only update cluster volumes")
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}
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if flags.Changed("availability") {
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vol.ClusterVolume.Spec.Availability = volume.Availability(availability)
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}
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return apiClient.VolumeUpdate(
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ctx, vol.ClusterVolume.ID, vol.ClusterVolume.Version,
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volume.UpdateOptions{
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Spec: &vol.ClusterVolume.Spec,
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},
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)
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}
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