diff options
Diffstat (limited to 'pkg/api/handlers/libpod/images.go')
-rw-r--r-- | pkg/api/handlers/libpod/images.go | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/pkg/api/handlers/libpod/images.go b/pkg/api/handlers/libpod/images.go new file mode 100644 index 000000000..0d4e220a8 --- /dev/null +++ b/pkg/api/handlers/libpod/images.go @@ -0,0 +1,165 @@ +package libpod + +import ( + "io/ioutil" + "net/http" + "os" + + "github.com/containers/libpod/libpod" + "github.com/containers/libpod/pkg/api/handlers" + "github.com/containers/libpod/pkg/api/handlers/utils" + "github.com/gorilla/mux" + "github.com/gorilla/schema" + "github.com/pkg/errors" +) + +// Commit +// author string +// "container" +// repo string +// tag string +// message +// pause bool +// changes []string + +// create + +func ImageExists(w http.ResponseWriter, r *http.Request) { + // 200 ok + // 404 no such + // 500 internal + runtime := r.Context().Value("runtime").(*libpod.Runtime) + name := mux.Vars(r)["name"] + + _, err := runtime.ImageRuntime().NewFromLocal(name) + if err != nil { + utils.Error(w, "Something went wrong.", http.StatusNotFound, errors.Wrapf(err, "Failed to find image %s", name)) + return + } + utils.WriteResponse(w, http.StatusNoContent, "") +} + +func ImageTree(w http.ResponseWriter, r *http.Request) { + // tree is a bit of a mess ... logic is in adapter and therefore not callable from here. needs rework + + //name := mux.Vars(r)["name"] + //_, layerInfoMap, _, err := s.Runtime.Tree(name) + //if err != nil { + // Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrapf(err, "Failed to find image information for %q", name)) + // return + //} + // it is not clear to me how to deal with this given all the processing of the image + // is in main. we need to discuss how that really should be and return something useful. + handlers.UnsupportedHandler(w, r) +} + +func GetImage(w http.ResponseWriter, r *http.Request) { + 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 := newImage.Inspect(r.Context()) + if err != nil { + utils.Error(w, "Server error", http.StatusInternalServerError, errors.Wrapf(err, "failed in inspect image %s", inspect.ID)) + return + } + utils.WriteResponse(w, http.StatusOK, inspect) + +} +func GetImages(w http.ResponseWriter, r *http.Request) { + 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 + } + // libpod has additional fields that we need to populate. + is.CreatedTime = img.Created() + is.ReadOnly = img.IsReadOnly() + summaries[j] = is + } + utils.WriteResponse(w, http.StatusOK, summaries) +} + +func PruneImages(w http.ResponseWriter, r *http.Request) { + // 200 ok + // 500 internal + runtime := r.Context().Value("runtime").(*libpod.Runtime) + decoder := r.Context().Value("decoder").(*schema.Decoder) + query := struct { + All bool `schema:"all"` + Filters []string `schema:"filters"` + }{ + // override any golang type defaults + } + + 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 + } + cids, err := runtime.ImageRuntime().PruneImages(r.Context(), query.All, query.Filters) + if err != nil { + utils.Error(w, "Something went wrong.", http.StatusInternalServerError, err) + return + } + utils.WriteResponse(w, http.StatusOK, cids) +} + +func ExportImage(w http.ResponseWriter, r *http.Request) { + runtime := r.Context().Value("runtime").(*libpod.Runtime) + decoder := r.Context().Value("decoder").(*schema.Decoder) + query := struct { + Compress bool `schema:"compress"` + Format string `schema:"format"` + }{ + // override any golang type defaults + } + + 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 + } + + if len(query.Format) < 1 { + utils.InternalServerError(w, errors.New("format parameter cannot be empty.")) + 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 + } + name := mux.Vars(r)["name"] + newImage, err := runtime.ImageRuntime().NewFromLocal(name) + if err != nil { + utils.ImageNotFound(w, name, err) + return + } + if err := newImage.Save(r.Context(), name, query.Format, tmpfile.Name(), []string{}, false, query.Compress); err != nil { + utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest, err) + 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) +} |