Merge pull request #14272 from Luap99/completion2

shell completion: use more constants in the code

11 files changed, 69 insertions, 57 deletions

diff --git a/cmd/podman/common/completion.go b/cmd/podman/common/completion.go
index e07e28dab..58dff3578 100644
--- a/cmd/podman/common/completion.go
+++ b/cmd/podman/common/completion.go
@@ -12,6 +12,7 @@ import (
 	"github.com/containers/image/v5/pkg/sysregistriesv2"
 	"github.com/containers/podman/v4/cmd/podman/registry"
 	"github.com/containers/podman/v4/libpod/define"
+	"github.com/containers/podman/v4/libpod/events"
 	"github.com/containers/podman/v4/pkg/domain/entities"
 	"github.com/containers/podman/v4/pkg/rootless"
 	systemdDefine "github.com/containers/podman/v4/pkg/systemd/define"
@@ -24,6 +25,8 @@ var (
 	ChangeCmds = []string{"CMD", "ENTRYPOINT", "ENV", "EXPOSE", "LABEL", "ONBUILD", "STOPSIGNAL", "USER", "VOLUME", "WORKDIR"}
 	// LogLevels supported by podman
 	LogLevels = []string{"trace", "debug", "info", "warn", "warning", "error", "fatal", "panic"}
+	// ValidSaveFormats is the list of support podman save formats
+	ValidSaveFormats = []string{define.OCIManifestDir, define.OCIArchive, define.V2s2ManifestDir, define.V2s2Archive}
 )
 
 type completeType int
@@ -1091,11 +1094,21 @@ func getMethodNames(f reflect.Value, prefix string) []string {
 // AutocompleteEventFilter - Autocomplete event filter flag options.
 // -> "container=", "event=", "image=", "pod=", "volume=", "type="
 func AutocompleteEventFilter(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
+	event := func(_ string) ([]string, cobra.ShellCompDirective) {
+		return []string{events.Attach.String(), events.AutoUpdate.String(), events.Checkpoint.String(), events.Cleanup.String(),
+			events.Commit.String(), events.Create.String(), events.Exec.String(), events.ExecDied.String(),
+			events.Exited.String(), events.Export.String(), events.Import.String(), events.Init.String(), events.Kill.String(),
+			events.LoadFromArchive.String(), events.Mount.String(), events.NetworkConnect.String(),
+			events.NetworkDisconnect.String(), events.Pause.String(), events.Prune.String(), events.Pull.String(),
+			events.Push.String(), events.Refresh.String(), events.Remove.String(), events.Rename.String(),
+			events.Renumber.String(), events.Restart.String(), events.Restore.String(), events.Save.String(),
+			events.Start.String(), events.Stop.String(), events.Sync.String(), events.Tag.String(), events.Unmount.String(),
+			events.Unpause.String(), events.Untag.String(),
+		}, cobra.ShellCompDirectiveNoFileComp
+	}
 	eventTypes := func(_ string) ([]string, cobra.ShellCompDirective) {
-		return []string{"attach", "checkpoint", "cleanup", "commit", "connect", "create", "disconnect", "exec",
-			"exec_died", "exited", "export", "import", "init", "kill", "loadFromArchive", "mount", "pause",
-			"prune", "pull", "push", "refresh", "remove", "rename", "renumber", "restart", "restore", "save",
-			"start", "stop", "sync", "tag", "unmount", "unpause", "untag",
+		return []string{events.Container.String(), events.Image.String(), events.Network.String(),
+			events.Pod.String(), events.System.String(), events.Volume.String(),
 		}, cobra.ShellCompDirectiveNoFileComp
 	}
 	kv := keyValueCompletion{
@@ -1103,7 +1116,7 @@ func AutocompleteEventFilter(cmd *cobra.Command, args []string, toComplete strin
 		"image=":     func(s string) ([]string, cobra.ShellCompDirective) { return getImages(cmd, s) },
 		"pod=":       func(s string) ([]string, cobra.ShellCompDirective) { return getPods(cmd, s, completeDefault) },
 		"volume=":    func(s string) ([]string, cobra.ShellCompDirective) { return getVolumes(cmd, s) },
-		"event=":     eventTypes,
+		"event=":     event,
 		"type=":      eventTypes,
 	}
 	return completeKeyValues(toComplete, kv)
@@ -1130,9 +1143,8 @@ func AutocompleteImageSort(cmd *cobra.Command, args []string, toComplete string)
 }
 
 // AutocompleteInspectType - Autocomplete inspect type options.
-// -> "container", "image", "all"
 func AutocompleteInspectType(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
-	types := []string{"container", "image", "all"}
+	types := []string{AllType, ContainerType, ImageType, NetworkType, PodType, VolumeType}
 	return types, cobra.ShellCompDirectiveNoFileComp
 }
 
@@ -1182,10 +1194,8 @@ func AutocompletePsSort(cmd *cobra.Command, args []string, toComplete string) ([
 }
 
 // AutocompleteImageSaveFormat - Autocomplete image save format options.
-// -> "oci-archive", "oci-dir", "docker-dir"
 func AutocompleteImageSaveFormat(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
-	formats := []string{"oci-archive", "oci-dir", "docker-dir"}
-	return formats, cobra.ShellCompDirectiveNoFileComp
+	return ValidSaveFormats, cobra.ShellCompDirectiveNoFileComp
 }
 
 // AutocompleteWaitCondition - Autocomplete wait condition options.
@@ -1198,21 +1208,21 @@ func AutocompleteWaitCondition(cmd *cobra.Command, args []string, toComplete str
 // AutocompleteCgroupManager - Autocomplete cgroup manager options.
 // -> "cgroupfs", "systemd"
 func AutocompleteCgroupManager(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
-	types := []string{"cgroupfs", "systemd"}
+	types := []string{config.CgroupfsCgroupsManager, config.SystemdCgroupsManager}
 	return types, cobra.ShellCompDirectiveNoFileComp
 }
 
 // AutocompleteEventBackend - Autocomplete event backend options.
 // -> "file", "journald", "none"
 func AutocompleteEventBackend(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
-	types := []string{"file", "journald", "none"}
+	types := []string{events.LogFile.String(), events.Journald.String(), events.Null.String()}
 	return types, cobra.ShellCompDirectiveNoFileComp
 }
 
 // AutocompleteNetworkBackend - Autocomplete network backend options.
 // -> "cni", "netavark"
 func AutocompleteNetworkBackend(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
-	types := []string{"cni", "netavark"}
+	types := []string{string(types.CNI), string(types.Netavark)}
 	return types, cobra.ShellCompDirectiveNoFileComp
 }
 
@@ -1225,7 +1235,7 @@ func AutocompleteLogLevel(cmd *cobra.Command, args []string, toComplete string)
 // AutocompleteSDNotify - Autocomplete sdnotify options.
 // -> "container", "conmon", "ignore"
 func AutocompleteSDNotify(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
-	types := []string{"container", "conmon", "ignore"}
+	types := []string{define.SdNotifyModeContainer, define.SdNotifyModeContainer, define.SdNotifyModeIgnore}
 	return types, cobra.ShellCompDirectiveNoFileComp
 }
 
diff --git a/cmd/podman/common/inspect.go b/cmd/podman/common/inspect.go
new file mode 100644
index 000000000..12a5af5a9
--- /dev/null
+++ b/cmd/podman/common/inspect.go
@@ -0,0 +1,16 @@
+package common
+
+const (
+	// AllType can be of type ImageType or ContainerType.
+	AllType = "all"
+	// ContainerType is the container type.
+	ContainerType = "container"
+	// ImageType is the image type.
+	ImageType = "image"
+	// NetworkType is the network type
+	NetworkType = "network"
+	// PodType is the pod type.
+	PodType = "pod"
+	// VolumeType is the volume type
+	VolumeType = "volume"
+)
diff --git a/cmd/podman/containers/inspect.go b/cmd/podman/containers/inspect.go
index 03e6411a1..4195cf020 100644
--- a/cmd/podman/containers/inspect.go
+++ b/cmd/podman/containers/inspect.go
@@ -42,6 +42,6 @@ func init() {
 
 func inspectExec(cmd *cobra.Command, args []string) error {
 	// Force container type
-	inspectOpts.Type = inspect.ContainerType
+	inspectOpts.Type = common.ContainerType
 	return inspect.Inspect(args, *inspectOpts)
 }
diff --git a/cmd/podman/images/inspect.go b/cmd/podman/images/inspect.go
index 22c404b3f..310f8cda8 100644
--- a/cmd/podman/images/inspect.go
+++ b/cmd/podman/images/inspect.go
@@ -38,6 +38,6 @@ func init() {
 }
 
 func inspectExec(cmd *cobra.Command, args []string) error {
-	inspectOpts.Type = inspect.ImageType
+	inspectOpts.Type = common.ImageType
 	return inspect.Inspect(args, *inspectOpts)
 }
diff --git a/cmd/podman/images/save.go b/cmd/podman/images/save.go
index fb642bafd..3394c2e99 100644
--- a/cmd/podman/images/save.go
+++ b/cmd/podman/images/save.go
@@ -18,7 +18,6 @@ import (
 )
 
 var (
-	validFormats    = []string{define.OCIManifestDir, define.OCIArchive, define.V2s2ManifestDir, define.V2s2Archive}
 	containerConfig = registry.PodmanConfig()
 )
 
@@ -38,8 +37,8 @@ var (
 			if err != nil {
 				return err
 			}
-			if !util.StringInSlice(format, validFormats) {
-				return errors.Errorf("format value must be one of %s", strings.Join(validFormats, " "))
+			if !util.StringInSlice(format, common.ValidSaveFormats) {
+				return errors.Errorf("format value must be one of %s", strings.Join(common.ValidSaveFormats, " "))
 			}
 			return nil
 		},
diff --git a/cmd/podman/inspect/inspect.go b/cmd/podman/inspect/inspect.go
index b26b2d667..f6e3fca06 100644
--- a/cmd/podman/inspect/inspect.go
+++ b/cmd/podman/inspect/inspect.go
@@ -21,21 +21,6 @@ import (
 	"github.com/spf13/cobra"
 )
 
-const (
-	// AllType can be of type ImageType or ContainerType.
-	AllType = "all"
-	// ContainerType is the container type.
-	ContainerType = "container"
-	// ImageType is the image type.
-	ImageType = "image"
-	// NetworkType is the network type
-	NetworkType = "network"
-	// PodType is the pod type.
-	PodType = "pod"
-	// VolumeType is the volume type
-	VolumeType = "volume"
-)
-
 // AddInspectFlagSet takes a command and adds the inspect flags and returns an
 // InspectOptions object.
 func AddInspectFlagSet(cmd *cobra.Command) *entities.InspectOptions {
@@ -49,7 +34,7 @@ func AddInspectFlagSet(cmd *cobra.Command) *entities.InspectOptions {
 	_ = cmd.RegisterFlagCompletionFunc(formatFlagName, completion.AutocompleteNone)
 
 	typeFlagName := "type"
-	flags.StringVarP(&opts.Type, typeFlagName, "t", AllType, fmt.Sprintf("Specify inspect-object type (%q, %q or %q)", ImageType, ContainerType, AllType))
+	flags.StringVarP(&opts.Type, typeFlagName, "t", common.AllType, "Specify inspect-object type")
 	_ = cmd.RegisterFlagCompletionFunc(typeFlagName, common.AutocompleteInspectType)
 
 	validate.AddLatestFlag(cmd, &opts.Latest)
@@ -76,21 +61,22 @@ type inspector struct {
 // newInspector creates a new inspector based on the specified options.
 func newInspector(options entities.InspectOptions) (*inspector, error) {
 	switch options.Type {
-	case ImageType, ContainerType, AllType, PodType, NetworkType, VolumeType:
+	case common.ImageType, common.ContainerType, common.AllType, common.PodType, common.NetworkType, common.VolumeType:
 		// Valid types.
 	default:
-		return nil, errors.Errorf("invalid type %q: must be %q, %q, %q, %q, %q, or %q", options.Type, ImageType, ContainerType, PodType, NetworkType, VolumeType, AllType)
+		return nil, errors.Errorf("invalid type %q: must be %q, %q, %q, %q, %q, or %q", options.Type,
+			common.ImageType, common.ContainerType, common.PodType, common.NetworkType, common.VolumeType, common.AllType)
 	}
-	if options.Type == ImageType {
+	if options.Type == common.ImageType {
 		if options.Latest {
-			return nil, errors.Errorf("latest is not supported for type %q", ImageType)
+			return nil, errors.Errorf("latest is not supported for type %q", common.ImageType)
 		}
 		if options.Size {
-			return nil, errors.Errorf("size is not supported for type %q", ImageType)
+			return nil, errors.Errorf("size is not supported for type %q", common.ImageType)
 		}
 	}
-	if options.Type == PodType && options.Size {
-		return nil, errors.Errorf("size is not supported for type %q", PodType)
+	if options.Type == common.PodType && options.Size {
+		return nil, errors.Errorf("size is not supported for type %q", common.PodType)
 	}
 	podOpts := entities.PodInspectOptions{
 		Latest: options.Latest,
@@ -122,21 +108,21 @@ func (i *inspector) inspect(namesOrIDs []string) error {
 		if len(namesOrIDs) > 0 {
 			return errors.New("--latest and arguments cannot be used together")
 		}
-		if i.options.Type == AllType {
-			tmpType = ContainerType // -l works with --type=all, defaults to containertype
+		if i.options.Type == common.AllType {
+			tmpType = common.ContainerType // -l works with --type=all, defaults to containertype
 		}
 	}
 
 	// Inspect - note that AllType requires us to expensively query one-by-one.
 	switch tmpType {
-	case AllType:
+	case common.AllType:
 		allData, allErrs, err := i.inspectAll(ctx, namesOrIDs)
 		if err != nil {
 			return err
 		}
 		data = allData
 		errs = allErrs
-	case ImageType:
+	case common.ImageType:
 		imgData, allErrs, err := i.imageEngine.Inspect(ctx, namesOrIDs, i.options)
 		if err != nil {
 			return err
@@ -145,7 +131,7 @@ func (i *inspector) inspect(namesOrIDs []string) error {
 		for i := range imgData {
 			data = append(data, imgData[i])
 		}
-	case ContainerType:
+	case common.ContainerType:
 		ctrData, allErrs, err := i.containerEngine.ContainerInspect(ctx, namesOrIDs, i.options)
 		if err != nil {
 			return err
@@ -154,7 +140,7 @@ func (i *inspector) inspect(namesOrIDs []string) error {
 		for i := range ctrData {
 			data = append(data, ctrData[i])
 		}
-	case PodType:
+	case common.PodType:
 		for _, pod := range namesOrIDs {
 			i.podOptions.NameOrID = pod
 			podData, err := i.containerEngine.PodInspect(ctx, i.podOptions)
@@ -184,7 +170,7 @@ func (i *inspector) inspect(namesOrIDs []string) error {
 				data = append(data, podData)
 			}
 		}
-	case NetworkType:
+	case common.NetworkType:
 		networkData, allErrs, err := registry.ContainerEngine().NetworkInspect(ctx, namesOrIDs, i.options)
 		if err != nil {
 			return err
@@ -193,7 +179,7 @@ func (i *inspector) inspect(namesOrIDs []string) error {
 		for i := range networkData {
 			data = append(data, networkData[i])
 		}
-	case VolumeType:
+	case common.VolumeType:
 		volumeData, allErrs, err := i.containerEngine.VolumeInspect(ctx, namesOrIDs, i.options)
 		if err != nil {
 			return err
@@ -203,7 +189,8 @@ func (i *inspector) inspect(namesOrIDs []string) error {
 			data = append(data, volumeData[i])
 		}
 	default:
-		return errors.Errorf("invalid type %q: must be %q, %q, %q, %q, %q, or %q", i.options.Type, ImageType, ContainerType, PodType, NetworkType, VolumeType, AllType)
+		return errors.Errorf("invalid type %q: must be %q, %q, %q, %q, %q, or %q", i.options.Type,
+			common.ImageType, common.ContainerType, common.PodType, common.NetworkType, common.VolumeType, common.AllType)
 	}
 	// Always print an empty array
 	if data == nil {
diff --git a/cmd/podman/networks/inspect.go b/cmd/podman/networks/inspect.go
index 8f39ec395..1a8444147 100644
--- a/cmd/podman/networks/inspect.go
+++ b/cmd/podman/networks/inspect.go
@@ -37,6 +37,6 @@ func init() {
 }
 
 func networkInspect(_ *cobra.Command, args []string) error {
-	inspectOpts.Type = inspect.NetworkType
+	inspectOpts.Type = common.NetworkType
 	return inspect.Inspect(args, *inspectOpts)
 }
diff --git a/cmd/podman/volumes/export.go b/cmd/podman/volumes/export.go
index 1011604de..5086323f9 100644
--- a/cmd/podman/volumes/export.go
+++ b/cmd/podman/volumes/export.go
@@ -6,7 +6,6 @@ import (
 
 	"github.com/containers/common/pkg/completion"
 	"github.com/containers/podman/v4/cmd/podman/common"
-	"github.com/containers/podman/v4/cmd/podman/inspect"
 	"github.com/containers/podman/v4/cmd/podman/registry"
 	"github.com/containers/podman/v4/pkg/domain/entities"
 	"github.com/containers/podman/v4/utils"
@@ -58,7 +57,7 @@ func export(cmd *cobra.Command, args []string) error {
 	if cliExportOpts.Output == "" {
 		return errors.New("expects output path, use --output=[path]")
 	}
-	inspectOpts.Type = inspect.VolumeType
+	inspectOpts.Type = common.VolumeType
 	volumeData, _, err := containerEngine.VolumeInspect(ctx, args, inspectOpts)
 	if err != nil {
 		return err
diff --git a/cmd/podman/volumes/import.go b/cmd/podman/volumes/import.go
index 9ff17e5b1..988c5536d 100644
--- a/cmd/podman/volumes/import.go
+++ b/cmd/podman/volumes/import.go
@@ -5,7 +5,6 @@ import (
 	"os"
 
 	"github.com/containers/podman/v4/cmd/podman/common"
-	"github.com/containers/podman/v4/cmd/podman/inspect"
 	"github.com/containers/podman/v4/cmd/podman/parse"
 	"github.com/containers/podman/v4/cmd/podman/registry"
 	"github.com/containers/podman/v4/pkg/domain/entities"
@@ -60,7 +59,7 @@ func importVol(cmd *cobra.Command, args []string) error {
 		tarFile = os.Stdin
 	}
 
-	inspectOpts.Type = inspect.VolumeType
+	inspectOpts.Type = common.VolumeType
 	volumeData, _, err := containerEngine.VolumeInspect(ctx, volumes, inspectOpts)
 	if err != nil {
 		return err
diff --git a/cmd/podman/volumes/inspect.go b/cmd/podman/volumes/inspect.go
index f21f9c233..7cf363f36 100644
--- a/cmd/podman/volumes/inspect.go
+++ b/cmd/podman/volumes/inspect.go
@@ -48,6 +48,6 @@ func volumeInspect(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")
 	}
-	inspectOpts.Type = inspect.VolumeType
+	inspectOpts.Type = common.VolumeType
 	return inspect.Inspect(args, *inspectOpts)
 }
diff --git a/libpod/events/config.go b/libpod/events/config.go
index 00cdca007..2e7016136 100644
--- a/libpod/events/config.go
+++ b/libpod/events/config.go
@@ -98,6 +98,8 @@ type Type string
 // Status describes the actual event action (stop, start, create, kill)
 type Status string
 
+// When updating this list below please also update the shell completion list in
+// cmd/podman/common/completion.go and the StringToXXX function in events.go.
 const (
 	// Container - event is related to containers
 	Container Type = "container"