diff options
Diffstat (limited to 'cmd')
| -rw-r--r-- | cmd/podman/common/inspect.go | 18 | ||||
| -rw-r--r-- | cmd/podman/containers/inspect.go | 53 | ||||
| -rw-r--r-- | cmd/podman/generate/generate.go | 27 | ||||
| -rw-r--r-- | cmd/podman/generate/systemd.go | 57 | ||||
| -rw-r--r-- | cmd/podman/images/inspect.go | 92 | ||||
| -rw-r--r-- | cmd/podman/images/push.go | 12 | ||||
| -rw-r--r-- | cmd/podman/inspect.go | 42 | ||||
| -rw-r--r-- | cmd/podman/inspect/inspect.go | 159 | ||||
| -rw-r--r-- | cmd/podman/main.go | 1 |
9 files changed, 273 insertions, 188 deletions
diff --git a/cmd/podman/common/inspect.go b/cmd/podman/common/inspect.go deleted file mode 100644 index dfc6fe679..000000000 --- a/cmd/podman/common/inspect.go +++ /dev/null @@ -1,18 +0,0 @@ -package common - -import ( - "github.com/containers/libpod/pkg/domain/entities" - "github.com/spf13/cobra" -) - -// AddInspectFlagSet takes a command and adds the inspect flags and returns an InspectOptions object -// Since this cannot live in `package main` it lives here until a better home is found -func AddInspectFlagSet(cmd *cobra.Command) *entities.InspectOptions { - opts := entities.InspectOptions{} - - flags := cmd.Flags() - flags.BoolVarP(&opts.Size, "size", "s", false, "Display total file size") - flags.StringVarP(&opts.Format, "format", "f", "", "Change the output format to a Go template") - - return &opts -} diff --git a/cmd/podman/containers/inspect.go b/cmd/podman/containers/inspect.go index f9ef1ddbd..4549a4ef6 100644 --- a/cmd/podman/containers/inspect.go +++ b/cmd/podman/containers/inspect.go @@ -1,15 +1,8 @@ package containers import ( - "context" - "fmt" - "os" - "strings" - "text/template" - - "github.com/containers/libpod/cmd/podman/common" + "github.com/containers/libpod/cmd/podman/inspect" "github.com/containers/libpod/cmd/podman/registry" - "github.com/containers/libpod/pkg/domain/entities" "github.com/spf13/cobra" ) @@ -20,7 +13,7 @@ var ( Use: "inspect [flags] CONTAINER", Short: "Display the configuration of a container", Long: `Displays the low-level information on a container identified by name or ID.`, - RunE: inspect, + RunE: inspectExec, Example: `podman container inspect myCtr podman container inspect -l --format '{{.Id}} {{.Config.Labels}}'`, } @@ -33,45 +26,9 @@ func init() { Command: inspectCmd, Parent: containerCmd, }) - inspectOpts = common.AddInspectFlagSet(inspectCmd) - flags := inspectCmd.Flags() - - if !registry.IsRemote() { - flags.BoolVarP(&inspectOpts.Latest, "latest", "l", false, "Act on the latest container podman is aware of") - } - -} - -func inspect(cmd *cobra.Command, args []string) error { - responses, err := registry.ContainerEngine().ContainerInspect(context.Background(), args, *inspectOpts) - if err != nil { - return err - } - if inspectOpts.Format == "" { - b, err := json.MarshalIndent(responses, "", " ") - if err != nil { - return err - } - fmt.Println(string(b)) - return nil - } - format := inspectOpts.Format - if !strings.HasSuffix(format, "\n") { - format += "\n" - } - tmpl, err := template.New("inspect").Parse(format) - if err != nil { - return err - } - for _, i := range responses { - if err := tmpl.Execute(os.Stdout, i); err != nil { - return err - } - } - return nil + inspectOpts = inspect.AddInspectFlagSet(inspectCmd) } -func Inspect(cmd *cobra.Command, args []string, options *entities.InspectOptions) error { - inspectOpts = options - return inspect(cmd, args) +func inspectExec(cmd *cobra.Command, args []string) error { + return inspect.Inspect(args, *inspectOpts) } diff --git a/cmd/podman/generate/generate.go b/cmd/podman/generate/generate.go new file mode 100644 index 000000000..f04ef58a5 --- /dev/null +++ b/cmd/podman/generate/generate.go @@ -0,0 +1,27 @@ +package pods + +import ( + "github.com/containers/libpod/cmd/podman/registry" + "github.com/containers/libpod/pkg/domain/entities" + "github.com/containers/libpod/pkg/util" + "github.com/spf13/cobra" +) + +var ( + // Command: podman _generate_ + generateCmd = &cobra.Command{ + Use: "generate", + Short: "Generate structured data based on containers and pods.", + Long: "Generate structured data (e.g., Kubernetes yaml or systemd units) based on containers and pods.", + TraverseChildren: true, + RunE: registry.SubCommandExists, + } + containerConfig = util.DefaultContainerConfig() +) + +func init() { + registry.Commands = append(registry.Commands, registry.CliCommand{ + Mode: []entities.EngineMode{entities.ABIMode}, + Command: generateCmd, + }) +} diff --git a/cmd/podman/generate/systemd.go b/cmd/podman/generate/systemd.go new file mode 100644 index 000000000..55d770249 --- /dev/null +++ b/cmd/podman/generate/systemd.go @@ -0,0 +1,57 @@ +package pods + +import ( + "fmt" + + "github.com/containers/libpod/cmd/podman/registry" + "github.com/containers/libpod/cmd/podman/utils" + "github.com/containers/libpod/pkg/domain/entities" + "github.com/spf13/cobra" +) + +var ( + systemdTimeout uint + systemdOptions = entities.GenerateSystemdOptions{} + systemdDescription = `Generate systemd units for a pod or container. + The generated units can later be controlled via systemctl(1).` + + systemdCmd = &cobra.Command{ + Use: "systemd [flags] CTR|POD", + Short: "Generate systemd units.", + Long: systemdDescription, + RunE: systemd, + Args: cobra.MinimumNArgs(1), + Example: `podman generate systemd CTR + podman generate systemd --new --time 10 CTR + podman generate systemd --files --name POD`, + } +) + +func init() { + registry.Commands = append(registry.Commands, registry.CliCommand{ + Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode}, + Command: systemdCmd, + Parent: generateCmd, + }) + flags := systemdCmd.Flags() + flags.BoolVarP(&systemdOptions.Name, "name", "n", false, "Use container/pod names instead of IDs") + flags.BoolVarP(&systemdOptions.Files, "files", "f", false, "Generate .service files instead of printing to stdout") + flags.UintVarP(&systemdTimeout, "time", "t", containerConfig.Engine.StopTimeout, "Stop timeout override") + flags.StringVar(&systemdOptions.RestartPolicy, "restart-policy", "on-failure", "Systemd restart-policy") + flags.BoolVarP(&systemdOptions.New, "new", "", false, "Create a new container instead of starting an existing one") + flags.SetNormalizeFunc(utils.AliasFlags) +} + +func systemd(cmd *cobra.Command, args []string) error { + if cmd.Flags().Changed("time") { + systemdOptions.StopTimeout = &systemdTimeout + } + + report, err := registry.ContainerEngine().GenerateSystemd(registry.GetContext(), args[0], systemdOptions) + if err != nil { + return err + } + + fmt.Println(report.Output) + return nil +} diff --git a/cmd/podman/images/inspect.go b/cmd/podman/images/inspect.go index 91c9445eb..8c727eb07 100644 --- a/cmd/podman/images/inspect.go +++ b/cmd/podman/images/inspect.go @@ -1,18 +1,9 @@ package images import ( - "context" - "fmt" - "os" - "strings" - "text/tabwriter" - "text/template" - - "github.com/containers/buildah/pkg/formats" - "github.com/containers/libpod/cmd/podman/common" + "github.com/containers/libpod/cmd/podman/inspect" "github.com/containers/libpod/cmd/podman/registry" "github.com/containers/libpod/pkg/domain/entities" - "github.com/pkg/errors" "github.com/spf13/cobra" ) @@ -21,8 +12,8 @@ var ( inspectCmd = &cobra.Command{ Use: "inspect [flags] IMAGE", Short: "Display the configuration of an image", - Long: `Displays the low-level information on an image identified by name or ID.`, - RunE: inspect, + Long: `Displays the low-level information of an image identified by name or ID.`, + RunE: inspectExec, Example: `podman inspect alpine podman inspect --format "imageId: {{.Id}} size: {{.Size}}" alpine podman inspect --format "image: {{.ImageName}} driver: {{.Driver}}" myctr`, @@ -36,78 +27,11 @@ func init() { Command: inspectCmd, Parent: imageCmd, }) - inspectOpts = common.AddInspectFlagSet(inspectCmd) -} - -func inspect(cmd *cobra.Command, args []string) error { - if inspectOpts.Size { - return fmt.Errorf("--size can only be used for containers") - } - if inspectOpts.Latest { - return fmt.Errorf("--latest can only be used for containers") - } - if len(args) == 0 { - return errors.Errorf("image name must be specified: podman image inspect [options [...]] name") - } - - results, err := registry.ImageEngine().Inspect(context.Background(), args, *inspectOpts) - if err != nil { - return err - } - - if len(results.Images) > 0 { - if inspectOpts.Format == "" { - buf, err := json.MarshalIndent(results.Images, "", " ") - if err != nil { - return err - } - fmt.Println(string(buf)) - - for id, e := range results.Errors { - fmt.Fprintf(os.Stderr, "%s: %s\n", id, e.Error()) - } - return nil - } - row := inspectFormat(inspectOpts.Format) - format := "{{range . }}" + row + "{{end}}" - tmpl, err := template.New("inspect").Parse(format) - if err != nil { - return err - } - - w := tabwriter.NewWriter(os.Stdout, 8, 2, 2, ' ', 0) - defer func() { _ = w.Flush() }() - err = tmpl.Execute(w, results.Images) - if err != nil { - return err - } - } - - var lastErr error - for id, e := range results.Errors { - if lastErr != nil { - fmt.Fprintf(os.Stderr, "%s: %s\n", id, lastErr.Error()) - } - lastErr = e - } - return lastErr -} - -func inspectFormat(row string) string { - r := strings.NewReplacer("{{.Id}}", formats.IDString, - ".Src", ".Source", - ".Dst", ".Destination", - ".ImageID", ".Image", - ) - row = r.Replace(row) - - if !strings.HasSuffix(row, "\n") { - row += "\n" - } - return row + inspectOpts = inspect.AddInspectFlagSet(inspectCmd) + flags := inspectCmd.Flags() + _ = flags.MarkHidden("latest") // Shared with container-inspect but not wanted here. } -func Inspect(cmd *cobra.Command, args []string, options *entities.InspectOptions) error { - inspectOpts = options - return inspect(cmd, args) +func inspectExec(cmd *cobra.Command, args []string) error { + return inspect.Inspect(args, *inspectOpts) } diff --git a/cmd/podman/images/push.go b/cmd/podman/images/push.go index ef2ffd0d7..0b3502d61 100644 --- a/cmd/podman/images/push.go +++ b/cmd/podman/images/push.go @@ -98,6 +98,7 @@ func imagePush(cmd *cobra.Command, args []string) error { switch len(args) { case 1: source = args[0] + destination = args[0] case 2: source = args[0] destination = args[1] @@ -107,22 +108,21 @@ func imagePush(cmd *cobra.Command, args []string) error { return errors.New("push requires at least one image name, or optionally a second to specify a different destination") } - pushOptsAPI := pushOptions.ImagePushOptions // 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") { - pushOptsAPI.TLSVerify = types.NewOptionalBool(pushOptions.TLSVerifyCLI) + pushOptions.SkipTLSVerify = types.NewOptionalBool(!pushOptions.TLSVerifyCLI) } - if pushOptsAPI.Authfile != "" { - if _, err := os.Stat(pushOptsAPI.Authfile); err != nil { - return errors.Wrapf(err, "error getting authfile %s", pushOptsAPI.Authfile) + if pushOptions.Authfile != "" { + if _, err := os.Stat(pushOptions.Authfile); err != nil { + return errors.Wrapf(err, "error getting authfile %s", pushOptions.Authfile) } } // Let's do all the remaining Yoga in the API to prevent us from scattering // logic across (too) many parts of the code. - return registry.ImageEngine().Push(registry.GetContext(), source, destination, pushOptsAPI) + return registry.ImageEngine().Push(registry.GetContext(), source, destination, pushOptions.ImagePushOptions) } diff --git a/cmd/podman/inspect.go b/cmd/podman/inspect.go index 93bf58bdd..a5fdaedc2 100644 --- a/cmd/podman/inspect.go +++ b/cmd/podman/inspect.go @@ -1,31 +1,26 @@ package main import ( - "fmt" - - "github.com/containers/libpod/cmd/podman/common" - "github.com/containers/libpod/cmd/podman/containers" - "github.com/containers/libpod/cmd/podman/images" + "github.com/containers/libpod/cmd/podman/inspect" "github.com/containers/libpod/cmd/podman/registry" "github.com/containers/libpod/pkg/domain/entities" "github.com/spf13/cobra" ) -// Inspect is one of the outlier commands in that it operates on images/containers/... - var ( - inspectOpts *entities.InspectOptions - // Command: podman _inspect_ Object_ID inspectCmd = &cobra.Command{ Use: "inspect [flags] {CONTAINER_ID | IMAGE_ID}", Short: "Display the configuration of object denoted by ID", Long: "Displays the low-level information on an object identified by name or ID", TraverseChildren: true, - RunE: inspect, - Example: `podman inspect alpine - podman inspect --format "imageId: {{.Id}} size: {{.Size}}" alpine`, + RunE: inspectExec, + Example: `podman inspect fedora + podman inspect --type image fedora + podman inspect CtrID ImgID + podman inspect --format "imageId: {{.Id}} size: {{.Size}}" fedora`, } + inspectOpts *entities.InspectOptions ) func init() { @@ -33,26 +28,9 @@ func init() { Mode: []entities.EngineMode{entities.ABIMode, entities.TunnelMode}, Command: inspectCmd, }) - inspectOpts = common.AddInspectFlagSet(inspectCmd) - flags := inspectCmd.Flags() - flags.StringVarP(&inspectOpts.Type, "type", "t", "", "Return JSON for specified type, (image or container) (default \"all\")") - if !registry.IsRemote() { - flags.BoolVarP(&inspectOpts.Latest, "latest", "l", false, "Act on the latest container podman is aware of (containers only)") - } + inspectOpts = inspect.AddInspectFlagSet(inspectCmd) } -func inspect(cmd *cobra.Command, args []string) error { - switch inspectOpts.Type { - case "image": - return images.Inspect(cmd, args, inspectOpts) - case "container": - return containers.Inspect(cmd, args, inspectOpts) - case "": - if err := images.Inspect(cmd, args, inspectOpts); err == nil { - return nil - } - return containers.Inspect(cmd, args, inspectOpts) - default: - return fmt.Errorf("invalid type %q is must be 'container' or 'image'", inspectOpts.Type) - } +func inspectExec(cmd *cobra.Command, args []string) error { + return inspect.Inspect(args, *inspectOpts) } diff --git a/cmd/podman/inspect/inspect.go b/cmd/podman/inspect/inspect.go new file mode 100644 index 000000000..223ce00f0 --- /dev/null +++ b/cmd/podman/inspect/inspect.go @@ -0,0 +1,159 @@ +package inspect + +import ( + "context" + "fmt" + "strings" + + "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" +) + +const ( + // ImageType is the image type. + ImageType = "image" + // ContainerType is the container type. + ContainerType = "container" + // AllType can be of type ImageType or ContainerType. + AllType = "all" +) + +// AddInspectFlagSet takes a command and adds the inspect flags and returns an +// InspectOptions object. +func AddInspectFlagSet(cmd *cobra.Command) *entities.InspectOptions { + opts := entities.InspectOptions{} + + flags := cmd.Flags() + flags.BoolVarP(&opts.Size, "size", "s", false, "Display total file size") + flags.StringVarP(&opts.Format, "format", "f", "json", "Format the output to a Go template or json") + flags.StringVarP(&opts.Type, "type", "t", AllType, fmt.Sprintf("Specify inspect-oject type (%q, %q or %q)", ImageType, ContainerType, AllType)) + flags.BoolVarP(&opts.Latest, "latest", "l", false, "Act on the latest container Podman is aware of") + + return &opts +} + +// Inspect inspects the specified container/image names or IDs. +func Inspect(namesOrIDs []string, options entities.InspectOptions) error { + inspector, err := newInspector(options) + if err != nil { + return err + } + return inspector.inspect(namesOrIDs) +} + +// inspector allows for inspecting images and containers. +type inspector struct { + containerEngine entities.ContainerEngine + imageEngine entities.ImageEngine + options entities.InspectOptions +} + +// newInspector creates a new inspector based on the specified options. +func newInspector(options entities.InspectOptions) (*inspector, error) { + switch options.Type { + case ImageType, ContainerType, AllType: + // Valid types. + default: + return nil, errors.Errorf("invalid type %q: must be %q, %q or %q", options.Type, ImageType, ContainerType, AllType) + } + if options.Type == ImageType { + if options.Latest { + return nil, errors.Errorf("latest is not supported for type %q", ImageType) + } + if options.Size { + return nil, errors.Errorf("size is not supported for type %q", ImageType) + } + } + return &inspector{ + containerEngine: registry.ContainerEngine(), + imageEngine: registry.ImageEngine(), + options: options, + }, nil +} + +// inspect inspects the specified container/image names or IDs. +func (i *inspector) inspect(namesOrIDs []string) error { + // data - dumping place for inspection results. + var data []interface{} + ctx := context.Background() + + if len(namesOrIDs) == 0 { + if !i.options.Latest { + return errors.New("no containers or images specified") + } + } + + tmpType := i.options.Type + if i.options.Latest { + if len(namesOrIDs) > 0 { + return errors.New("latest and containers are not allowed") + } + tmpType = ContainerType // -l works with --type=all + } + + // Inspect - note that AllType requires us to expensively query one-by-one. + switch tmpType { + case AllType: + all, err := i.inspectAll(ctx, namesOrIDs) + if err != nil { + return err + } + data = all + case ImageType: + imgData, err := i.imageEngine.Inspect(ctx, namesOrIDs, i.options) + if err != nil { + return err + } + for i := range imgData { + data = append(data, imgData[i]) + } + case ContainerType: + ctrData, err := i.containerEngine.ContainerInspect(ctx, namesOrIDs, i.options) + if err != nil { + return err + } + for i := range ctrData { + data = append(data, ctrData[i]) + } + default: + return errors.Errorf("invalid type %q: must be %q, %q or %q", i.options.Type, ImageType, ContainerType, AllType) + } + + var out formats.Writer + if i.options.Format == "json" || i.options.Format == "" { // "" for backwards compat + out = formats.JSONStructArray{Output: data} + } else { + out = formats.StdoutTemplateArray{Output: data, Template: inspectFormat(i.options.Format)} + } + return out.Out() +} + +func (i *inspector) inspectAll(ctx context.Context, namesOrIDs []string) ([]interface{}, error) { + var data []interface{} + for _, name := range namesOrIDs { + imgData, err := i.imageEngine.Inspect(ctx, []string{name}, i.options) + if err == nil { + data = append(data, imgData[0]) + continue + } + ctrData, err := i.containerEngine.ContainerInspect(ctx, []string{name}, i.options) + if err != nil { + return nil, err + } + data = append(data, ctrData[0]) + } + return data, nil +} + +func inspectFormat(row string) string { + r := strings.NewReplacer( + "{{.Id}}", formats.IDString, + ".Src", ".Source", + ".Dst", ".Destination", + ".ImageID", ".Image", + ) + return r.Replace(row) +} diff --git a/cmd/podman/main.go b/cmd/podman/main.go index 4cd0beee8..481214a38 100644 --- a/cmd/podman/main.go +++ b/cmd/podman/main.go @@ -4,6 +4,7 @@ import ( "os" _ "github.com/containers/libpod/cmd/podman/containers" + _ "github.com/containers/libpod/cmd/podman/generate" _ "github.com/containers/libpod/cmd/podman/healthcheck" _ "github.com/containers/libpod/cmd/podman/images" _ "github.com/containers/libpod/cmd/podman/manifest" |