diff options
Diffstat (limited to 'cmd/podmanV2')
-rw-r--r-- | cmd/podmanV2/containers/mount.go | 121 | ||||
-rw-r--r-- | cmd/podmanV2/containers/unmount.go | 65 | ||||
-rw-r--r-- | cmd/podmanV2/images/search.go | 157 |
3 files changed, 343 insertions, 0 deletions
diff --git a/cmd/podmanV2/containers/mount.go b/cmd/podmanV2/containers/mount.go new file mode 100644 index 000000000..c2f5ae987 --- /dev/null +++ b/cmd/podmanV2/containers/mount.go @@ -0,0 +1,121 @@ +package containers + +import ( + "encoding/json" + "fmt" + "os" + "text/tabwriter" + "text/template" + + "github.com/containers/libpod/cmd/podmanV2/parse" + "github.com/containers/libpod/cmd/podmanV2/registry" + "github.com/containers/libpod/cmd/podmanV2/utils" + "github.com/containers/libpod/pkg/domain/entities" + "github.com/spf13/cobra" +) + +var ( + mountDescription = `podman mount + Lists all mounted containers mount points if no container is specified + + podman mount CONTAINER-NAME-OR-ID + Mounts the specified container and outputs the mountpoint +` + + mountCommand = &cobra.Command{ + Use: "mount [flags] [CONTAINER]", + Short: "Mount a working container's root filesystem", + Long: mountDescription, + PreRunE: preRunE, + RunE: mount, + Args: func(cmd *cobra.Command, args []string) error { + return parse.CheckAllLatestAndCIDFile(cmd, args, true, false) + }, + } +) + +var ( + mountOpts entities.ContainerMountOptions +) + +func init() { + registry.Commands = append(registry.Commands, registry.CliCommand{ + Mode: []entities.EngineMode{entities.ABIMode}, + Command: mountCommand, + }) + flags := mountCommand.Flags() + flags.BoolVarP(&mountOpts.All, "all", "a", false, "Mount all containers") + flags.StringVar(&mountOpts.Format, "format", "", "Change the output format to Go template") + flags.BoolVarP(&mountOpts.Latest, "latest", "l", false, "Act on the latest container podman is aware of") + flags.BoolVar(&mountOpts.NoTruncate, "notruncate", false, "Do not truncate output") +} + +func mount(cmd *cobra.Command, args []string) error { + var ( + errs utils.OutputErrors + mrs []mountReporter + ) + reports, err := registry.ContainerEngine().ContainerMount(registry.GetContext(), args, mountOpts) + if err != nil { + return err + } + if len(args) > 0 || mountOpts.Latest || mountOpts.All { + for _, r := range reports { + if r.Err == nil { + fmt.Println(r.Path) + continue + } + errs = append(errs, r.Err) + } + return errs.PrintErrors() + } + if mountOpts.Format == "json" { + return printJSON(reports) + } + for _, r := range reports { + mrs = append(mrs, mountReporter{r}) + } + row := "{{.ID}} {{.Path}}" + format := "{{range . }}" + row + "{{end}}" + tmpl, err := template.New("mounts").Parse(format) + if err != nil { + return err + } + w := tabwriter.NewWriter(os.Stdout, 8, 2, 2, ' ', 0) + defer w.Flush() + return tmpl.Execute(w, mrs) +} + +func printJSON(reports []*entities.ContainerMountReport) error { + type jreport struct { + ID string `json:"id"` + Names []string + Mountpoint string `json:"mountpoint"` + } + var jreports []jreport + + for _, r := range reports { + jreports = append(jreports, jreport{ + ID: r.Id, + Names: []string{r.Name}, + Mountpoint: r.Path, + }) + } + b, err := json.MarshalIndent(jreports, "", " ") + if err != nil { + return err + } + fmt.Println(string(b)) + return nil +} + +type mountReporter struct { + *entities.ContainerMountReport +} + +func (m mountReporter) ID() string { + if mountOpts.NoTruncate { + return m.Id + } + return m.Id[0:12] +} diff --git a/cmd/podmanV2/containers/unmount.go b/cmd/podmanV2/containers/unmount.go new file mode 100644 index 000000000..2a6ef14b0 --- /dev/null +++ b/cmd/podmanV2/containers/unmount.go @@ -0,0 +1,65 @@ +package containers + +import ( + "fmt" + + "github.com/containers/libpod/cmd/podmanV2/parse" + "github.com/containers/libpod/cmd/podmanV2/registry" + "github.com/containers/libpod/cmd/podmanV2/utils" + "github.com/containers/libpod/pkg/domain/entities" + "github.com/spf13/cobra" +) + +var ( + description = `Container storage increments a mount counter each time a container is mounted. + + When a container is unmounted, the mount counter is decremented. The container's root filesystem is physically unmounted only when the mount counter reaches zero indicating no other processes are using the mount. + + An unmount can be forced with the --force flag. +` + umountCommand = &cobra.Command{ + Use: "umount [flags] CONTAINER [CONTAINER...]", + Aliases: []string{"unmount"}, + Short: "Unmounts working container's root filesystem", + Long: description, + RunE: unmount, + PreRunE: preRunE, + Args: func(cmd *cobra.Command, args []string) error { + return parse.CheckAllLatestAndCIDFile(cmd, args, false, false) + }, + Example: `podman umount ctrID + podman umount ctrID1 ctrID2 ctrID3 + podman umount --all`, + } +) + +var ( + unmountOpts entities.ContainerUnmountOptions +) + +func init() { + registry.Commands = append(registry.Commands, registry.CliCommand{ + Mode: []entities.EngineMode{entities.ABIMode}, + Command: umountCommand, + }) + flags := umountCommand.Flags() + flags.BoolVarP(&unmountOpts.All, "all", "a", false, "Umount all of the currently mounted containers") + flags.BoolVarP(&unmountOpts.Force, "force", "f", false, "Force the complete umount all of the currently mounted containers") + flags.BoolVarP(&unmountOpts.Latest, "latest", "l", false, "Act on the latest container podman is aware of") +} + +func unmount(cmd *cobra.Command, args []string) error { + var errs utils.OutputErrors + reports, err := registry.ContainerEngine().ContainerUnmount(registry.GetContext(), args, unmountOpts) + if err != nil { + return err + } + for _, r := range reports { + if r.Err == nil { + fmt.Println(r.Id) + } else { + errs = append(errs, r.Err) + } + } + return errs.PrintErrors() +} diff --git a/cmd/podmanV2/images/search.go b/cmd/podmanV2/images/search.go new file mode 100644 index 000000000..2ab9735ec --- /dev/null +++ b/cmd/podmanV2/images/search.go @@ -0,0 +1,157 @@ +package images + +import ( + "reflect" + "strings" + + buildahcli "github.com/containers/buildah/pkg/cli" + "github.com/containers/buildah/pkg/formats" + "github.com/containers/image/v5/types" + "github.com/containers/libpod/cmd/podmanV2/registry" + "github.com/containers/libpod/pkg/domain/entities" + "github.com/containers/libpod/pkg/util/camelcase" + "github.com/pkg/errors" + "github.com/spf13/cobra" + "github.com/spf13/pflag" +) + +// searchOptionsWrapper wraps entities.ImagePullOptions and prevents leaking +// CLI-only fields into the API types. +type searchOptionsWrapper struct { + entities.ImageSearchOptions + // CLI only flags + TLSVerifyCLI bool // Used to convert to an optional bool later + Format string // For go templating +} + +var ( + searchOptions = searchOptionsWrapper{} + searchDescription = `Search registries for a given image. Can search all the default registries or a specific registry. + + Users can limit the number of results, and filter the output based on certain conditions.` + + // Command: podman search + searchCmd = &cobra.Command{ + Use: "search [flags] TERM", + Short: "Search registry for image", + Long: searchDescription, + PreRunE: preRunE, + RunE: imageSearch, + Args: cobra.ExactArgs(1), + Example: `podman search --filter=is-official --limit 3 alpine + podman search registry.fedoraproject.org/ # only works with v2 registries + podman search --format "table {{.Index}} {{.Name}}" registry.fedoraproject.org/fedora`, + } + + // Command: podman image search + imageSearchCmd = &cobra.Command{ + Use: searchCmd.Use, + Short: searchCmd.Short, + Long: searchCmd.Long, + PreRunE: searchCmd.PreRunE, + RunE: searchCmd.RunE, + Args: searchCmd.Args, + Example: `podman image search --filter=is-official --limit 3 alpine + podman image search registry.fedoraproject.org/ # only works with v2 registries + podman image search --format "table {{.Index}} {{.Name}}" registry.fedoraproject.org/fedora`, + } +) + +func init() { + // search + registry.Commands = append(registry.Commands, registry.CliCommand{ + Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode}, + Command: searchCmd, + }) + + searchCmd.SetHelpTemplate(registry.HelpTemplate()) + searchCmd.SetUsageTemplate(registry.UsageTemplate()) + flags := searchCmd.Flags() + searchFlags(flags) + + // images search + registry.Commands = append(registry.Commands, registry.CliCommand{ + Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode}, + Command: imageSearchCmd, + Parent: imageCmd, + }) + + imageSearchFlags := imageSearchCmd.Flags() + searchFlags(imageSearchFlags) +} + +// searchFlags set the flags for the pull command. +func searchFlags(flags *pflag.FlagSet) { + flags.StringSliceVarP(&searchOptions.Filters, "filter", "f", []string{}, "Filter output based on conditions provided (default [])") + flags.StringVar(&searchOptions.Format, "format", "", "Change the output format to a Go template") + flags.IntVar(&searchOptions.Limit, "limit", 0, "Limit the number of results") + flags.BoolVar(&searchOptions.NoTrunc, "no-trunc", false, "Do not truncate the output") + flags.StringVar(&searchOptions.Authfile, "authfile", buildahcli.GetDefaultAuthFile(), "Path of the authentication file. Use REGISTRY_AUTH_FILE environment variable to override") + flags.BoolVar(&searchOptions.TLSVerifyCLI, "tls-verify", true, "Require HTTPS and verify certificates when contacting registries") + if registry.IsRemote() { + _ = flags.MarkHidden("authfile") + _ = flags.MarkHidden("tls-verify") + } +} + +// imageSearch implements the command for searching images. +func imageSearch(cmd *cobra.Command, args []string) error { + searchTerm := "" + switch len(args) { + case 1: + searchTerm = args[0] + default: + return errors.Errorf("search requires exactly one argument") + } + + sarchOptsAPI := searchOptions.ImageSearchOptions + // TLS verification in c/image is controlled via a `types.OptionalBool` + // which allows for distinguishing among set-true, set-false, unspecified + // which is important to implement a sane way of dealing with defaults of + // boolean CLI flags. + if cmd.Flags().Changed("tls-verify") { + sarchOptsAPI.TLSVerify = types.NewOptionalBool(pullOptions.TLSVerifyCLI) + } + + searchReport, err := registry.ImageEngine().Search(registry.GetContext(), searchTerm, sarchOptsAPI) + if err != nil { + return err + } + + format := genSearchFormat(searchOptions.Format) + if len(searchReport) == 0 { + return nil + } + out := formats.StdoutTemplateArray{Output: searchToGeneric(searchReport), Template: format, Fields: searchHeaderMap()} + return out.Out() +} + +// searchHeaderMap returns the headers of a SearchResult. +func searchHeaderMap() map[string]string { + s := new(entities.ImageSearchReport) + v := reflect.Indirect(reflect.ValueOf(s)) + values := make(map[string]string, v.NumField()) + + for i := 0; i < v.NumField(); i++ { + key := v.Type().Field(i).Name + value := key + values[key] = strings.ToUpper(strings.Join(camelcase.Split(value), " ")) + } + return values +} + +func genSearchFormat(format string) string { + if format != "" { + // "\t" from the command line is not being recognized as a tab + // replacing the string "\t" to a tab character if the user passes in "\t" + return strings.Replace(format, `\t`, "\t", -1) + } + return "table {{.Index}}\t{{.Name}}\t{{.Description}}\t{{.Stars}}\t{{.Official}}\t{{.Automated}}\t" +} + +func searchToGeneric(params []entities.ImageSearchReport) (genericParams []interface{}) { + for _, v := range params { + genericParams = append(genericParams, interface{}(v)) + } + return genericParams +} |