diff options
Diffstat (limited to 'cmd/podman/volumes/inspect.go')
-rw-r--r-- | cmd/podman/volumes/inspect.go | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/cmd/podman/volumes/inspect.go b/cmd/podman/volumes/inspect.go new file mode 100644 index 000000000..57e773aef --- /dev/null +++ b/cmd/podman/volumes/inspect.go @@ -0,0 +1,74 @@ +package volumes + +import ( + "encoding/json" + "fmt" + "html/template" + "os" + + "github.com/containers/buildah/pkg/formats" + "github.com/containers/libpod/cmd/podman/registry" + "github.com/containers/libpod/pkg/domain/entities" + "github.com/pkg/errors" + "github.com/spf13/cobra" + "golang.org/x/net/context" +) + +var ( + volumeInspectDescription = `Display detailed information on one or more volumes. + + Use a Go template to change the format from JSON.` + inspectCommand = &cobra.Command{ + Use: "inspect [flags] VOLUME [VOLUME...]", + Short: "Display detailed information on one or more volumes", + Long: volumeInspectDescription, + RunE: inspect, + Example: `podman volume inspect myvol + podman volume inspect --all + podman volume inspect --format "{{.Driver}} {{.Scope}}" myvol`, + } +) + +var ( + inspectOpts = entities.VolumeInspectOptions{} + inspectFormat string +) + +func init() { + registry.Commands = append(registry.Commands, registry.CliCommand{ + Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode}, + Command: inspectCommand, + Parent: volumeCmd, + }) + flags := inspectCommand.Flags() + flags.BoolVarP(&inspectOpts.All, "all", "a", false, "Inspect all volumes") + flags.StringVarP(&inspectFormat, "format", "f", "json", "Format volume output using Go template") +} + +func inspect(cmd *cobra.Command, args []string) error { + if (inspectOpts.All && len(args) > 0) || (!inspectOpts.All && len(args) < 1) { + return errors.New("provide one or more volume names or use --all") + } + responses, err := registry.ContainerEngine().VolumeInspect(context.Background(), args, inspectOpts) + if err != nil { + return err + } + switch inspectFormat { + case "", formats.JSONString: + jsonOut, err := json.MarshalIndent(responses, "", " ") + if err != nil { + return errors.Wrapf(err, "error marshalling inspect JSON") + } + fmt.Println(string(jsonOut)) + default: + tmpl, err := template.New("volumeInspect").Parse(inspectFormat) + if err != nil { + return err + } + if err := tmpl.Execute(os.Stdout, responses); err != nil { + return err + } + } + return nil + +} |