diff options
Diffstat (limited to 'pkg/api/handlers')
-rw-r--r-- | pkg/api/handlers/containers.go | 8 | ||||
-rw-r--r-- | pkg/api/handlers/libpod/images.go | 209 | ||||
-rw-r--r-- | pkg/api/handlers/libpod/pods.go | 14 | ||||
-rw-r--r-- | pkg/api/handlers/types.go | 27 | ||||
-rw-r--r-- | pkg/api/handlers/utils/handler.go | 8 |
5 files changed, 234 insertions, 32 deletions
diff --git a/pkg/api/handlers/containers.go b/pkg/api/handlers/containers.go index f180fbc2b..d7d040ce2 100644 --- a/pkg/api/handlers/containers.go +++ b/pkg/api/handlers/containers.go @@ -41,10 +41,9 @@ func StopContainer(w http.ResponseWriter, r *http.Request) { utils.InternalServerError(w, errors.Wrapf(err, "unable to get state for Container %s", name)) return } - // If the Container is stopped already, send a 302 + // If the Container is stopped already, send a 304 if state == define.ContainerStateStopped || state == define.ContainerStateExited { - utils.Error(w, http.StatusText(http.StatusNotModified), http.StatusNotModified, - errors.Errorf("Container %s is already stopped ", name)) + utils.WriteResponse(w, http.StatusNotModified, "") return } @@ -134,8 +133,7 @@ func StartContainer(w http.ResponseWriter, r *http.Request) { return } if state == define.ContainerStateRunning { - msg := fmt.Sprintf("Container %s is already running", name) - utils.Error(w, msg, http.StatusNotModified, errors.New(msg)) + utils.WriteResponse(w, http.StatusNotModified, "") return } if err := con.Start(r.Context(), false); err != nil { diff --git a/pkg/api/handlers/libpod/images.go b/pkg/api/handlers/libpod/images.go index 6c926c45b..f6459f1eb 100644 --- a/pkg/api/handlers/libpod/images.go +++ b/pkg/api/handlers/libpod/images.go @@ -1,15 +1,23 @@ package libpod import ( + "context" "fmt" + "io" "io/ioutil" "net/http" "os" "strconv" + "github.com/containers/image/v5/docker" + "github.com/containers/image/v5/docker/reference" + "github.com/containers/image/v5/transports/alltransports" + "github.com/containers/image/v5/types" "github.com/containers/libpod/libpod" + "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/gorilla/schema" "github.com/pkg/errors" ) @@ -176,16 +184,205 @@ func ExportImage(w http.ResponseWriter, r *http.Request) { } func ImagesLoad(w http.ResponseWriter, r *http.Request) { - //TODO ... - utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.New("/libpod/images/load is not yet implemented")) + runtime := r.Context().Value("runtime").(*libpod.Runtime) + decoder := r.Context().Value("decoder").(*schema.Decoder) + query := struct { + Reference string `schema:"reference"` + }{ + // Add defaults here once needed. + } + + 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 + } + + tmpfile, err := ioutil.TempFile("", "libpod-images-load.tar") + if err != nil { + utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "unable to create tempfile")) + return + } + defer os.Remove(tmpfile.Name()) + defer tmpfile.Close() + + if _, err := io.Copy(tmpfile, r.Body); err != nil && err != io.EOF { + utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "unable to write archive to temporary file")) + return + } + + tmpfile.Close() + loadedImage, err := runtime.LoadImage(context.Background(), query.Reference, tmpfile.Name(), os.Stderr, "") + if err != nil { + utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "unable to load image")) + return + } + + utils.WriteResponse(w, http.StatusOK, []handlers.LibpodImagesLoadReport{{ID: loadedImage}}) } func ImagesImport(w http.ResponseWriter, r *http.Request) { - //TODO ... - utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.New("/libpod/images/import is not yet implemented")) + runtime := r.Context().Value("runtime").(*libpod.Runtime) + decoder := r.Context().Value("decoder").(*schema.Decoder) + query := struct { + Changes []string `schema:"changes"` + Message string `schema:"message"` + Reference string `schema:"reference"` + URL string `schema:"URL"` + }{ + // Add defaults here once needed. + } + + 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 + } + + // Check if we need to load the image from a URL or from the request's body. + source := query.URL + if len(query.URL) == 0 { + tmpfile, err := ioutil.TempFile("", "libpod-images-import.tar") + if err != nil { + utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "unable to create tempfile")) + return + } + defer os.Remove(tmpfile.Name()) + defer tmpfile.Close() + + if _, err := io.Copy(tmpfile, r.Body); err != nil && err != io.EOF { + utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "unable to write archive to temporary file")) + return + } + + tmpfile.Close() + source = tmpfile.Name() + } + + importedImage, err := runtime.Import(context.Background(), source, query.Reference, query.Changes, query.Message, true) + if err != nil { + utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.Wrap(err, "unable to import image")) + return + } + + utils.WriteResponse(w, http.StatusOK, handlers.LibpodImagesImportReport{ID: importedImage}) } func ImagesPull(w http.ResponseWriter, r *http.Request) { - //TODO ... - utils.Error(w, "Something went wrong.", http.StatusInternalServerError, errors.New("/libpod/images/pull is not yet implemented")) + runtime := r.Context().Value("runtime").(*libpod.Runtime) + decoder := r.Context().Value("decoder").(*schema.Decoder) + query := struct { + Reference string `schema:"reference"` + Credentials string `schema:"credentials"` + OverrideOS string `schema:"overrideOS"` + OverrideArch string `schema:"overrideArch"` + TLSVerify bool `schema:"tlsVerify"` + AllTags bool `schema:"allTags"` + }{ + TLSVerify: true, + } + + 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.Reference) == 0 { + utils.InternalServerError(w, errors.New("reference parameter cannot be empty")) + return + } + // Enforce the docker transport. This is just a precaution as some callers + // might accustomed to using the "transport:reference" notation. Using + // another than the "docker://" transport does not really make sense for a + // remote case. For loading tarballs, the load and import endpoints should + // be used. + imageRef, err := alltransports.ParseImageName(query.Reference) + if err == nil && imageRef.Transport().Name() != docker.Transport.Name() { + utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest, + errors.Errorf("reference %q must be a docker reference", query.Reference)) + return + } else if err != nil { + origErr := err + imageRef, err = alltransports.ParseImageName(fmt.Sprintf("%s:%s", docker.Transport.Name(), query.Reference)) + if err != nil { + utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest, + errors.Wrapf(origErr, "reference %q must be a docker reference", query.Reference)) + return + } + } + + // all-tags doesn't work with a tagged reference, so let's check early + namedRef, err := reference.Parse(query.Reference) + if err != nil { + utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest, + errors.Wrapf(err, "error parsing reference %q", query.Reference)) + return + } + if _, isTagged := namedRef.(reference.Tagged); isTagged && query.AllTags { + utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest, + errors.Errorf("reference %q must not have a tag for all-tags", query.Reference)) + return + } + + var registryCreds *types.DockerAuthConfig + if len(query.Credentials) != 0 { + creds, err := util.ParseRegistryCreds(query.Credentials) + if err != nil { + utils.Error(w, http.StatusText(http.StatusBadRequest), http.StatusBadRequest, + errors.Wrapf(err, "error parsing credentials %q", query.Credentials)) + return + } + registryCreds = creds + } + + // Setup the registry options + dockerRegistryOptions := image.DockerRegistryOptions{ + DockerRegistryCreds: registryCreds, + OSChoice: query.OverrideOS, + ArchitectureChoice: query.OverrideArch, + } + if query.TLSVerify { + dockerRegistryOptions.DockerInsecureSkipTLSVerify = types.NewOptionalBool(!query.TLSVerify) + } + + // Prepare the images we want to pull + imagesToPull := []string{} + res := []handlers.LibpodImagesPullReport{} + imageName := namedRef.String() + + if !query.AllTags { + imagesToPull = append(imagesToPull, imageName) + } else { + systemContext := image.GetSystemContext("", "", false) + tags, err := docker.GetRepositoryTags(context.Background(), systemContext, imageRef) + if err != nil { + utils.InternalServerError(w, errors.Wrap(err, "error getting repository tags")) + return + } + for _, tag := range tags { + imagesToPull = append(imagesToPull, fmt.Sprintf("%s:%s", imageName, tag)) + } + } + + // Finally pull the images + for _, img := range imagesToPull { + newImage, err := runtime.ImageRuntime().New( + context.Background(), + img, + "", + "", + os.Stderr, + &dockerRegistryOptions, + image.SigningOptions{}, + nil, + util.PullImageAlways) + if err != nil { + utils.InternalServerError(w, errors.Wrapf(err, "error pulling image %q", query.Reference)) + return + } + res = append(res, handlers.LibpodImagesPullReport{ID: newImage.ID()}) + } + + utils.WriteResponse(w, http.StatusOK, res) } diff --git a/pkg/api/handlers/libpod/pods.go b/pkg/api/handlers/libpod/pods.go index 091368985..e9297d91b 100644 --- a/pkg/api/handlers/libpod/pods.go +++ b/pkg/api/handlers/libpod/pods.go @@ -91,7 +91,11 @@ func PodCreate(w http.ResponseWriter, r *http.Request) { pod, err := runtime.NewPod(r.Context(), options...) if err != nil { - utils.Error(w, "Something went wrong.", http.StatusInternalServerError, err) + http_code := http.StatusInternalServerError + if errors.Cause(err) == define.ErrPodExists { + http_code = http.StatusConflict + } + utils.Error(w, "Something went wrong.", http_code, err) return } utils.WriteResponse(w, http.StatusCreated, handlers.IDResponse{ID: pod.CgroupParent()}) @@ -198,8 +202,7 @@ func PodStop(w http.ResponseWriter, r *http.Request) { } } if allContainersStopped { - alreadyStopped := errors.Errorf("pod %s is already stopped", pod.ID()) - utils.Error(w, "Something went wrong", http.StatusNotModified, alreadyStopped) + utils.WriteResponse(w, http.StatusNotModified, "") return } @@ -245,8 +248,7 @@ func PodStart(w http.ResponseWriter, r *http.Request) { } } if allContainersRunning { - alreadyRunning := errors.Errorf("pod %s is already running", pod.ID()) - utils.Error(w, "Something went wrong", http.StatusNotModified, alreadyRunning) + utils.WriteResponse(w, http.StatusNotModified, "") return } if _, err := pod.Start(r.Context()); err != nil { @@ -409,5 +411,5 @@ func PodExists(w http.ResponseWriter, r *http.Request) { utils.PodNotFound(w, name, err) return } - utils.WriteResponse(w, http.StatusOK, "") + utils.WriteResponse(w, http.StatusNoContent, "") } diff --git a/pkg/api/handlers/types.go b/pkg/api/handlers/types.go index 6169adb18..f5d9f9ad5 100644 --- a/pkg/api/handlers/types.go +++ b/pkg/api/handlers/types.go @@ -33,6 +33,18 @@ type ContainerConfig struct { dockerContainer.Config } +type LibpodImagesLoadReport struct { + ID string `json:"id"` +} + +type LibpodImagesImportReport struct { + ID string `json:"id"` +} + +type LibpodImagesPullReport struct { + ID string `json:"id"` +} + type ImageSummary struct { docker.ImageSummary CreatedTime time.Time `json:"CreatedTime,omitempty"` @@ -49,21 +61,6 @@ type LibpodContainersPruneReport struct { PruneError string `json:"error"` } -type LibpodImagesLoadReport struct { - ID string `json:"id"` - RepoTags []string `json:"repoTags"` -} - -type LibpodImagesImportReport struct { - ID string `json:"id"` - RepoTags []string `json:"repoTags"` -} - -type LibpodImagesPullReport struct { - ID string `json:"id"` - RepoTags []string `json:"repoTags"` -} - type Info struct { docker.Info BuildahVersion string diff --git a/pkg/api/handlers/utils/handler.go b/pkg/api/handlers/utils/handler.go index 970f93791..44bcc794c 100644 --- a/pkg/api/handlers/utils/handler.go +++ b/pkg/api/handlers/utils/handler.go @@ -23,6 +23,14 @@ func IsLibpodRequest(r *http.Request) bool { // WriteResponse encodes the given value as JSON or string and renders it for http client func WriteResponse(w http.ResponseWriter, code int, value interface{}) { + // RFC2616 explicitly states that the following status codes "MUST NOT + // include a message-body": + switch code { + case http.StatusNoContent, http.StatusNotModified: // 204, 304 + w.WriteHeader(code) + return + } + switch v := value.(type) { case string: w.Header().Set("Content-Type", "text/plain; charset=us-ascii") |