podman rmi: refactor logic

.golangci.yml

@@ -28,6 +28,7 @@ linters:
     - misspell
     - prealloc
     - unparam
+    - nakedret
 linters-settings:
   errcheck:
     check-blank: false

cmd/podman/containers/run.go

@@ -122,7 +122,7 @@ func run(cmd *cobra.Command, args []string) error {
 		return nil
 	}
 	if runRmi {
-		_, err := registry.ImageEngine().Delete(registry.GetContext(), []string{args[0]}, entities.ImageDeleteOptions{})
+		_, err := registry.ImageEngine().Remove(registry.GetContext(), []string{args[0]}, entities.ImageRemoveOptions{})
 		if err != nil {
 			logrus.Errorf("%s", errors.Wrapf(err, "failed removing image"))
 		}

cmd/podman/images/rm.go

@@ -2,7 +2,6 @@ package images
 
 import (
 	"fmt"
-	"os"
 
 	"github.com/containers/libpod/cmd/podman/registry"
 	"github.com/containers/libpod/pkg/domain/entities"
@@ -23,7 +22,7 @@ var (
   podman image rm c4dfb1609ee2 93fd78260bd1 c0ed59d05ff7`,
 	}
 
-	imageOpts = entities.ImageDeleteOptions{}
+	imageOpts = entities.ImageRemoveOptions{}
 )
 
 func init() {
@@ -40,32 +39,25 @@ func imageRemoveFlagSet(flags *pflag.FlagSet) {
 	flags.BoolVarP(&imageOpts.All, "all", "a", false, "Remove all images")
 	flags.BoolVarP(&imageOpts.Force, "force", "f", false, "Force Removal of the image")
 }
-func rm(cmd *cobra.Command, args []string) error {
 
+func rm(cmd *cobra.Command, args []string) error {
 	if len(args) < 1 && !imageOpts.All {
 		return errors.Errorf("image name or ID must be specified")
 	}
 	if len(args) > 0 && imageOpts.All {
 		return errors.Errorf("when using the --all switch, you may not pass any images names or IDs")
 	}
-	report, err := registry.ImageEngine().Delete(registry.GetContext(), args, imageOpts)
-	if err != nil {
-		switch {
-		case report != nil && report.ImageNotFound != nil:
-			fmt.Fprintln(os.Stderr, err.Error())
-			registry.SetExitCode(2)
-		case report != nil && report.ImageInUse != nil:
-			fmt.Fprintln(os.Stderr, err.Error())
-		default:
-			return err
+
+	report, err := registry.ImageEngine().Remove(registry.GetContext(), args, imageOpts)
+	if report != nil {
+		for _, u := range report.Untagged {
+			fmt.Println("Untagged: " + u)
 		}
+		for _, d := range report.Deleted {
+			fmt.Println("Deleted: " + d)
+		}
+		registry.SetExitCode(report.ExitCode)
 	}
 
-	for _, u := range report.Untagged {
-		fmt.Println("Untagged: " + u)
-	}
-	for _, d := range report.Deleted {
-		fmt.Println("Deleted: " + d)
-	}
-	return nil
+	return err
 }

cmd/podman/system/service.go

@@ -90,7 +90,8 @@ func service(cmd *cobra.Command, args []string) error {
 
 	logrus.Warn("This function is EXPERIMENTAL")
 	fmt.Fprintf(os.Stderr, "This function is EXPERIMENTAL.\n")
-	return registry.ContainerEngine().RestService(registry.GetContext(), opts)
+
+	return restService(opts, cmd.Flags(), registry.PodmanConfig())
 }
 
 func resolveApiURI(_url []string) (string, error) {

cmd/podman/system/service_abi.go

@@ -0,0 +1,57 @@
+// +build ABISupport
+
+package system
+
+import (
+	"context"
+	"net"
+	"strings"
+
+	api "github.com/containers/libpod/pkg/api/server"
+	"github.com/containers/libpod/pkg/domain/entities"
+	"github.com/containers/libpod/pkg/domain/infra"
+	"github.com/pkg/errors"
+	"github.com/sirupsen/logrus"
+	"github.com/spf13/pflag"
+)
+
+func restService(opts entities.ServiceOptions, flags *pflag.FlagSet, cfg *entities.PodmanConfig) error {
+	var (
+		listener *net.Listener
+		err      error
+	)
+
+	if opts.URI != "" {
+		fields := strings.Split(opts.URI, ":")
+		if len(fields) == 1 {
+			return errors.Errorf("%s is an invalid socket destination", opts.URI)
+		}
+		address := strings.Join(fields[1:], ":")
+		l, err := net.Listen(fields[0], address)
+		if err != nil {
+			return errors.Wrapf(err, "unable to create socket %s", opts.URI)
+		}
+		listener = &l
+	}
+
+	rt, err := infra.GetRuntime(context.Background(), flags, cfg)
+	if err != nil {
+		return err
+	}
+
+	server, err := api.NewServerWithSettings(rt, opts.Timeout, listener)
+	if err != nil {
+		return err
+	}
+	defer func() {
+		if err := server.Shutdown(); err != nil {
+			logrus.Warnf("Error when stopping API service: %s", err)
+		}
+	}()
+
+	err = server.Serve()
+	if listener != nil {
+		_ = (*listener).Close()
+	}
+	return err
+}

cmd/podman/system/service_unsupported.go

@@ -0,0 +1,14 @@
+// +build !ABISupport
+
+package system
+
+import (
+	"errors"
+
+	"github.com/containers/libpod/pkg/domain/entities"
+	"github.com/spf13/pflag"
+)
+
+func restService(opts entities.ServiceOptions, flags *pflag.FlagSet, cfg *entities.PodmanConfig) error {
+	return errors.New("not supported")
+}

hack/golangci-lint.sh

@@ -3,13 +3,22 @@
 # Need to run linter twice to cover all the build tags code paths
 
 declare -A BUILD_TAGS
+# TODO: add systemd tag
 BUILD_TAGS[default]="apparmor,seccomp,selinux"
 BUILD_TAGS[abi]="${BUILD_TAGS[default]},ABISupport,varlink,!remoteclient"
-BUILD_TAGS[tunnel]="${BUILD_TAGS[default]},!ABISupport,!varlink,remoteclient"
+BUILD_TAGS[tunnel]="${BUILD_TAGS[default]},!ABISupport,varlink,remoteclient"
+
+declare -A SKIP_DIRS
+SKIP_DIRS[abi]=""
+# TODO: add "ABISupport" build tag to pkg/api
+SKIP_DIRS[tunnel]="pkg/api"
 
 [[ $1 == run ]] && shift
 
 for i in tunnel abi; do
-  echo Build Tags: ${BUILD_TAGS[$i]}
-  golangci-lint run --build-tags=${BUILD_TAGS[$i]} "$@"
+  echo ""
+  echo Running golangci-lint for "$i"
+  echo Build Tags          "$i": ${BUILD_TAGS[$i]}
+  echo Skipped directories "$i": ${SKIP_DIRS[$i]}
+  golangci-lint run --build-tags=${BUILD_TAGS[$i]} --skip-dirs=${SKIP_DIRS[$i]} "$@"
 done

pkg/api/handlers/compat/events.go

@@ -6,8 +6,8 @@ import (
 
 	"github.com/containers/libpod/libpod"
 	"github.com/containers/libpod/libpod/events"
-	"github.com/containers/libpod/pkg/api/handlers"
 	"github.com/containers/libpod/pkg/api/handlers/utils"
+	"github.com/containers/libpod/pkg/domain/entities"
 	"github.com/gorilla/schema"
 	jsoniter "github.com/json-iterator/go"
 	"github.com/pkg/errors"
@@ -70,7 +70,7 @@ func GetEvents(w http.ResponseWriter, r *http.Request) {
 	coder.SetEscapeHTML(true)
 
 	for event := range eventChannel {
-		e := handlers.EventToApiEvent(event)
+		e := entities.ConvertToEntitiesEvent(*event)
 		if err := coder.Encode(e); err != nil {
 			logrus.Errorf("unable to write json: %q", err)
 		}

pkg/api/handlers/libpod/images.go

@@ -22,6 +22,7 @@ import (
 	"github.com/containers/libpod/pkg/api/handlers"
 	"github.com/containers/libpod/pkg/api/handlers/utils"
 	"github.com/containers/libpod/pkg/domain/entities"
+	"github.com/containers/libpod/pkg/domain/infra/abi"
 	"github.com/containers/libpod/pkg/util"
 	utils2 "github.com/containers/libpod/utils"
 	"github.com/gorilla/schema"
@@ -698,3 +699,30 @@ func SearchImages(w http.ResponseWriter, r *http.Request) {
 
 	utils.WriteResponse(w, http.StatusOK, reports)
 }
+
+// ImagesRemove is the endpoint for image removal.
+func ImagesRemove(w http.ResponseWriter, r *http.Request) {
+	runtime := r.Context().Value("runtime").(*libpod.Runtime)
+	decoder := r.Context().Value("decoder").(*schema.Decoder)
+	query := struct {
+		All    bool     `schema:"all"`
+		Force  bool     `schema:"force"`
+		Images []string `schema:"images"`
+	}{
+		All:   false,
+		Force: false,
+	}
+
+	if err := decoder.Decode(&query, r.URL.Query()); err != nil {
+		utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest,
+			errors.Wrapf(err, "failed to parse parameters for %s", r.URL.String()))
+		return
+	}
+
+	opts := entities.ImageRemoveOptions{All: query.All, Force: query.Force}
+
+	imageEngine := abi.ImageEngine{Libpod: runtime}
+	rmReport, rmError := imageEngine.Remove(r.Context(), query.Images, opts)
+	report := handlers.LibpodImagesRemoveReport{ImageRemoveReport: *rmReport, Error: rmError.Error()}
+	utils.WriteResponse(w, http.StatusOK, report)
+}

pkg/api/handlers/swagger/swagger.go

@@ -49,6 +49,13 @@ type swagLibpodImagesPullResponse struct {
 	Body handlers.LibpodImagesPullReport
 }
 
+// Remove response
+// swagger:response DocsLibpodImagesRemoveResponse
+type swagLibpodImagesRemoveResponse struct {
+	// in:body
+	Body handlers.LibpodImagesRemoveReport
+}
+
 // Delete response
 // swagger:response DocsImageDeleteResponse
 type swagImageDeleteResponse struct {

pkg/api/handlers/types.go

@@ -4,16 +4,13 @@ import (
 	"context"
 	"encoding/json"
 	"fmt"
-	"strconv"
 	"time"
 
 	"github.com/containers/image/v5/manifest"
-	"github.com/containers/libpod/libpod/events"
 	libpodImage "github.com/containers/libpod/libpod/image"
 	"github.com/containers/libpod/pkg/domain/entities"
 	docker "github.com/docker/docker/api/types"
 	dockerContainer "github.com/docker/docker/api/types/container"
-	dockerEvents "github.com/docker/docker/api/types/events"
 	dockerNetwork "github.com/docker/docker/api/types/network"
 	"github.com/docker/go-connections/nat"
 	"github.com/pkg/errors"
@@ -39,6 +36,14 @@ type LibpodImagesPullReport struct {
 	ID string `json:"id"`
 }
 
+// LibpodImagesRemoveReport is the return type for image removal via the rest
+// api.
+type LibpodImagesRemoveReport struct {
+	entities.ImageRemoveReport
+	// Image removal requires is to return data and an error.
+	Error string
+}
+
 type ContainersPruneReport struct {
 	docker.ContainersPruneReport
 }
@@ -143,10 +148,6 @@ type PodCreateConfig struct {
 	Share        string   `json:"share"`
 }
 
-type Event struct {
-	dockerEvents.Message
-}
-
 type HistoryResponse struct {
 	ID        string   `json:"Id"`
 	Created   int64    `json:"Created"`
@@ -173,49 +174,6 @@ type ExecCreateResponse struct {
 	docker.IDResponse
 }
 
-func (e *Event) ToLibpodEvent() *events.Event {
-	exitCode, err := strconv.Atoi(e.Actor.Attributes["containerExitCode"])
-	if err != nil {
-		return nil
-	}
-	status, err := events.StringToStatus(e.Action)
-	if err != nil {
-		return nil
-	}
-	t, err := events.StringToType(e.Type)
-	if err != nil {
-		return nil
-	}
-	lp := events.Event{
-		ContainerExitCode: exitCode,
-		ID:                e.Actor.ID,
-		Image:             e.Actor.Attributes["image"],
-		Name:              e.Actor.Attributes["name"],
-		Status:            status,
-		Time:              time.Unix(e.Time, e.TimeNano),
-		Type:              t,
-	}
-	return &lp
-}
-
-func EventToApiEvent(e *events.Event) *Event {
-	return &Event{dockerEvents.Message{
-		Type:   e.Type.String(),
-		Action: e.Status.String(),
-		Actor: dockerEvents.Actor{
-			ID: e.ID,
-			Attributes: map[string]string{
-				"image":             e.Image,
-				"name":              e.Name,
-				"containerExitCode": strconv.Itoa(e.ContainerExitCode),
-			},
-		},
-		Scope:    "local",
-		Time:     e.Time.Unix(),
-		TimeNano: e.Time.UnixNano(),
-	}}
-}
-
 func ImageToImageSummary(l *libpodImage.Image) (*entities.ImageSummary, error) {
 	containers, err := l.Containers()
 	if err != nil {

pkg/api/server/register_images.go

@@ -822,6 +822,38 @@ func (s *APIServer) registerImagesHandlers(r *mux.Router) error {
 	//   500:
 	//     $ref: '#/responses/InternalError'
 	r.Handle(VersionedPath("/libpod/images/import"), s.APIHandler(libpod.ImagesImport)).Methods(http.MethodPost)
+	// swagger:operation GET /libpod/images/remove libpod libpodImagesRemove
+	// ---
+	// tags:
+	//  - images
+	// summary: Remove one or more images from the storage.
+	// description: Remove one or more images from the storage.
+	// parameters:
+	//   - in: query
+	//     name: images
+	//     description: Images IDs or names to remove.
+	//     type: array
+	//     items:
+	//        type: string
+	//   - in: query
+	//     name: all
+	//     description: Remove all images.
+	//     type: boolean
+	//     default: true
+	//   - in: query
+	//     name: force
+	//     description: Force image removal (including containers using the images).
+	//     type: boolean
+	// produces:
+	// - application/json
+	// responses:
+	//   200:
+	//     $ref: "#/responses/DocsLibpodImagesRemoveResponse"
+	//   400:
+	//     $ref: "#/responses/BadParamError"
+	//   500:
+	//     $ref: '#/responses/InternalError'
+	r.Handle(VersionedPath("/libpod/images/remove"), s.APIHandler(libpod.ImagesRemove)).Methods(http.MethodGet)
 	// swagger:operation POST /libpod/images/pull libpod libpodImagesPull
 	// ---
 	// tags: