diff options
Diffstat (limited to 'pkg/api/handlers/generic/images.go')
| -rw-r--r-- | pkg/api/handlers/generic/images.go | 363 |
1 files changed, 363 insertions, 0 deletions
diff --git a/pkg/api/handlers/generic/images.go b/pkg/api/handlers/generic/images.go new file mode 100644 index 000000000..8029ee861 --- /dev/null +++ b/pkg/api/handlers/generic/images.go @@ -0,0 +1,363 @@ +package generic + +import ( + "encoding/json" + "fmt" + "io/ioutil" + "net/http" + "os" + "strconv" + "strings" + + "github.com/containers/buildah" + "github.com/containers/image/v5/manifest" + "github.com/containers/libpod/libpod" + image2 "github.com/containers/libpod/libpod/image" + "github.com/containers/libpod/pkg/api/handlers" + "github.com/containers/libpod/pkg/api/handlers/utils" + "github.com/containers/libpod/pkg/util" + "github.com/containers/storage" + "github.com/docker/docker/api/types" + "github.com/gorilla/mux" + "github.com/gorilla/schema" + "github.com/pkg/errors" + "github.com/sirupsen/logrus" +) + +func ExportImage(w http.ResponseWriter, r *http.Request) { + // 200 ok + // 500 server + runtime := r.Context().Value("runtime").(*libpod.Runtime) + + name := mux.Vars(r)["name"] + newImage, err := runtime.ImageRuntime().NewFromLocal(name) + if err != nil { + utils.ImageNotFound(w, name, errors.Wrapf(err, "Failed to find image %s", name)) + return + } + tmpfile, err := ioutil.TempFile("", "api.tar") + if err != nil { + utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "unable to create tempfile")) + return + } + if err := tmpfile.Close(); err != nil { + utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "unable to close tempfile")) + return + } + if err := newImage.Save(r.Context(), name, "docker-archive", tmpfile.Name(), []string{}, false, false); err != nil { + utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "failed to save image")) + return + } + rdr, err := os.Open(tmpfile.Name()) + if err != nil { + utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "failed to read the exported tarfile")) + return + } + defer rdr.Close() + defer os.Remove(tmpfile.Name()) + utils.WriteResponse(w, http.StatusOK, rdr) +} + +func PruneImages(w http.ResponseWriter, r *http.Request) { + // 200 no error + // 500 internal + var ( + dangling bool = true + err error + ) + decoder := r.Context().Value("decoder").(*schema.Decoder) + runtime := r.Context().Value("runtime").(*libpod.Runtime) + + query := struct { + filters map[string]string + }{ + // This is where you can override the golang default value for one of fields + } + + if err := decoder.Decode(&query, r.URL.Query()); err != nil { + utils.Error(w, "Something went wrong.", http.StatusBadRequest, errors.Wrapf(err, "Failed to parse parameters for %s", r.URL.String())) + return + } + + // FIXME This is likely wrong due to it not being a map[string][]string + + // until ts is not supported on podman prune + if len(query.filters["until"]) > 0 { + utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "until is not supported yet")) + return + } + // labels are not supported on podman prune + if len(query.filters["label"]) > 0 { + utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "labelis not supported yet")) + return + } + + if len(query.filters["dangling"]) > 0 { + dangling, err = strconv.ParseBool(query.filters["dangling"]) + if err != nil { + utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "processing dangling filter")) + return + } + } + idr := []types.ImageDeleteResponseItem{} + // + // This code needs to be migrated to libpod to work correctly. I could not + // work my around the information docker needs with the existing prune in libpod. + // + pruneImages, err := runtime.ImageRuntime().GetPruneImages(!dangling, []image2.ImageFilter{}) + if err != nil { + utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "unable to get images to prune")) + return + } + for _, p := range pruneImages { + repotags, err := p.RepoTags() + if err != nil { + utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "unable to get repotags for image")) + return + } + if err := p.Remove(r.Context(), true); err != nil { + if errors.Cause(err) == storage.ErrImageUsedByContainer { + logrus.Warnf("Failed to prune image %s as it is in use: %v", p.ID(), err) + continue + } + utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "failed to prune image")) + return + } + // newimageevent is not export therefore we cannot record the event. this will be fixed + // when the prune is fixed in libpod + // defer p.newImageEvent(events.Prune) + response := types.ImageDeleteResponseItem{ + Deleted: fmt.Sprintf("sha256:%s", p.ID()), // I ack this is not ideal + } + if len(repotags) > 0 { + response.Untagged = repotags[0] + } + idr = append(idr, response) + } + ipr := types.ImagesPruneReport{ + ImagesDeleted: idr, + SpaceReclaimed: 1, // TODO we cannot supply this right now + } + utils.WriteResponse(w, http.StatusOK, handlers.ImagesPruneReport{ImagesPruneReport: ipr}) +} + +func CommitContainer(w http.ResponseWriter, r *http.Request) { + var ( + destImage string + ) + decoder := r.Context().Value("decoder").(*schema.Decoder) + runtime := r.Context().Value("runtime").(*libpod.Runtime) + + query := struct { + author string + changes string + comment string + container string + //fromSrc string # fromSrc is currently unused + pause bool + repo string + tag string + }{ + // This is where you can override the golang default value for one of fields + } + + if err := decoder.Decode(&query, r.URL.Query()); err != nil { + utils.Error(w, "Something went wrong.", http.StatusBadRequest, errors.Wrapf(err, "Failed to parse parameters for %s", r.URL.String())) + return + } + rtc, err := runtime.GetConfig() + if err != nil { + utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "Decode()")) + return + } + sc := image2.GetSystemContext(rtc.SignaturePolicyPath, "", false) + tag := "latest" + options := libpod.ContainerCommitOptions{ + Pause: true, + } + options.CommitOptions = buildah.CommitOptions{ + SignaturePolicyPath: rtc.SignaturePolicyPath, + ReportWriter: os.Stderr, + SystemContext: sc, + PreferredManifestType: manifest.DockerV2Schema2MediaType, + } + + input := handlers.CreateContainerConfig{} + if err := json.NewDecoder(r.Body).Decode(&input); err != nil { + utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "Decode()")) + return + } + + if len(query.tag) > 0 { + tag = query.tag + } + options.Message = query.comment + options.Author = query.author + options.Pause = query.pause + options.Changes = strings.Fields(query.changes) + ctr, err := runtime.LookupContainer(query.container) + if err != nil { + utils.Error(w, "Something went wrong.", http.StatusNotFound, err) + return + } + + // I know mitr hates this ... but doing for now + if len(query.repo) > 1 { + destImage = fmt.Sprintf("%s:%s", query.repo, tag) + } + + commitImage, err := ctr.Commit(r.Context(), destImage, options) + if err != nil && !strings.Contains(err.Error(), "is not running") { + utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrapf(err, "CommitFailure")) + return + } + utils.WriteResponse(w, http.StatusOK, handlers.IDResponse{ID: commitImage.ID()}) // nolint +} + +func CreateImageFromSrc(w http.ResponseWriter, r *http.Request) { + // 200 no error + // 404 repo does not exist or no read access + // 500 internal + decoder := r.Context().Value("decoder").(*schema.Decoder) + runtime := r.Context().Value("runtime").(*libpod.Runtime) + + query := struct { + fromSrc string + changes []string + }{ + // This is where you can override the golang default value for one of fields + } + + if err := decoder.Decode(&query, r.URL.Query()); err != nil { + utils.Error(w, "Something went wrong.", http.StatusBadRequest, errors.Wrapf(err, "Failed to parse parameters for %s", r.URL.String())) + return + } + // fromSrc – Source to import. The value may be a URL from which the image can be retrieved or - to read the image from the request body. This parameter may only be used when importing an image. + source := query.fromSrc + if source == "-" { + f, err := ioutil.TempFile("", "api_load.tar") + if err != nil { + utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "failed to create tempfile")) + return + } + source = f.Name() + if err := handlers.SaveFromBody(f, r); err != nil { + utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "failed to write temporary file")) + } + } + iid, err := runtime.Import(r.Context(), source, "", query.changes, "", false) + if err != nil { + utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "unable to import tarball")) + return + } + tmpfile, err := ioutil.TempFile("", "fromsrc.tar") + if err != nil { + utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "unable to create tempfile")) + return + } + if err := tmpfile.Close(); err != nil { + utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "unable to close tempfile")) + return + } + // Success + utils.WriteResponse(w, http.StatusOK, struct { + Status string `json:"status"` + Progress string `json:"progress"` + ProgressDetail map[string]string `json:"progressDetail"` + Id string `json:"id"` + }{ + Status: iid, + ProgressDetail: map[string]string{}, + Id: iid, + }) + +} + +func CreateImageFromImage(w http.ResponseWriter, r *http.Request) { + // 200 no error + // 404 repo does not exist or no read access + // 500 internal + decoder := r.Context().Value("decoder").(*schema.Decoder) + runtime := r.Context().Value("runtime").(*libpod.Runtime) + + query := struct { + fromImage string + tag string + }{ + // This is where you can override the golang default value for one of fields + } + + if err := decoder.Decode(&query, r.URL.Query()); err != nil { + utils.Error(w, "Something went wrong.", http.StatusBadRequest, errors.Wrapf(err, "Failed to parse parameters for %s", r.URL.String())) + return + } + + /* + fromImage – Name of the image to pull. The name may include a tag or digest. This parameter may only be used when pulling an image. The pull is cancelled if the HTTP connection is closed. + repo – Repository name given to an image when it is imported. The repo may include a tag. This parameter may only be used when importing an image. + tag – Tag or digest. If empty when pulling an image, this causes all tags for the given image to be pulled. + */ + fromImage := query.fromImage + if len(query.tag) < 1 { + fromImage = fmt.Sprintf("%s:%s", fromImage, query.tag) + } + + // TODO + // We are eating the output right now because we haven't talked about how to deal with multiple responses yet + img, err := runtime.ImageRuntime().New(r.Context(), fromImage, "", "", nil, &image2.DockerRegistryOptions{}, image2.SigningOptions{}, nil, util.PullImageMissing) + if err != nil { + utils.Error(w, "Something went wrong.", http.StatusInternalServerError, err) + return + } + + // Success + utils.WriteResponse(w, http.StatusOK, struct { + Status string `json:"status"` + Error string `json:"error"` + Progress string `json:"progress"` + ProgressDetail map[string]string `json:"progressDetail"` + Id string `json:"id"` + }{ + Status: fmt.Sprintf("pulling image (%s) from %s", img.Tag, strings.Join(img.Names(), ", ")), + ProgressDetail: map[string]string{}, + Id: img.ID(), + }) +} + +func GetImage(w http.ResponseWriter, r *http.Request) { + // 200 no error + // 404 no such + // 500 internal + name := mux.Vars(r)["name"] + newImage, err := handlers.GetImage(r, name) + if err != nil { + utils.Error(w, "Something went wrong.", http.StatusNotFound, errors.Wrapf(err, "Failed to find image %s", name)) + return + } + inspect, err := handlers.ImageDataToImageInspect(r.Context(), newImage) + if err != nil { + utils.Error(w, "Server error", http.StatusInternalServerError, errors.Wrapf(err, "Failed to convert ImageData to ImageInspect '%s'", inspect.ID)) + return + } + utils.WriteResponse(w, http.StatusOK, inspect) +} + +func GetImages(w http.ResponseWriter, r *http.Request) { + // 200 ok + // 500 internal + images, err := utils.GetImages(w, r) + if err != nil { + utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "Failed get images")) + return + } + var summaries = make([]*handlers.ImageSummary, len(images)) + for j, img := range images { + is, err := handlers.ImageToImageSummary(img) + if err != nil { + utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "Failed transform image summaries")) + return + } + summaries[j] = is + } + utils.WriteResponse(w, http.StatusOK, summaries) +} |