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authorValentin Rothberg <rothberg@redhat.com>2020-09-30 11:57:31 +0200
committerValentin Rothberg <rothberg@redhat.com>2020-09-30 11:57:31 +0200
commit1a3e4094125f22a8e121e5208d61167078635148 (patch)
treee1e1b8bfb5491952dcf8d32ec21f24a08df634fa /pkg/api
parentb68b6f334d4a83de35d68cc359365b348e72ad6b (diff)
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fix remote untag
Fix the remote client to untag all tags of the specified image. Instead of querying the image on the client side, support the case where both, repo and tag, are empty and remove all tags. Reuse the ABI implementation where possible. In retrospective, the libpod untag endpoint should support a slice of strings to batch remove tags rather than reaching out for each tag individually. Enable the skipped test. Signed-off-by: Valentin Rothberg <rothberg@redhat.com>
Diffstat (limited to 'pkg/api')
-rw-r--r--pkg/api/handlers/libpod/images.go47
-rw-r--r--pkg/api/server/register_images.go2
2 files changed, 33 insertions, 16 deletions
diff --git a/pkg/api/handlers/libpod/images.go b/pkg/api/handlers/libpod/images.go
index bc1bdc287..2f9c10746 100644
--- a/pkg/api/handlers/libpod/images.go
+++ b/pkg/api/handlers/libpod/images.go
@@ -560,24 +560,41 @@ func CommitContainer(w http.ResponseWriter, r *http.Request) {
func UntagImage(w http.ResponseWriter, r *http.Request) {
runtime := r.Context().Value("runtime").(*libpod.Runtime)
- name := utils.GetName(r)
- newImage, err := runtime.ImageRuntime().NewFromLocal(name)
- if err != nil {
- utils.ImageNotFound(w, name, errors.Wrapf(err, "Failed to find image %s", name))
- return
- }
- tag := "latest"
- if len(r.Form.Get("tag")) > 0 {
- tag = r.Form.Get("tag")
- }
- if len(r.Form.Get("repo")) < 1 {
+ tags := []string{} // Note: if empty, all tags will be removed from the image.
+ repo := r.Form.Get("repo")
+ tag := r.Form.Get("tag")
+
+ // Do the parameter dance.
+ switch {
+ // If tag is set, repo must be as well.
+ case len(repo) == 0 && len(tag) > 0:
utils.Error(w, "repo tag is required", http.StatusBadRequest, errors.New("repo parameter is required to tag an image"))
return
+
+ case len(repo) == 0:
+ break
+
+ // If repo is specified, we need to add that to the tags.
+ default:
+ if len(tag) == 0 {
+ // Normalize tag to "latest" if empty.
+ tag = "latest"
+ }
+ tags = append(tags, fmt.Sprintf("%s:%s", repo, tag))
}
- repo := r.Form.Get("repo")
- tagName := fmt.Sprintf("%s:%s", repo, tag)
- if err := newImage.UntagImage(tagName); err != nil {
- utils.Error(w, "failed to untag", http.StatusInternalServerError, err)
+
+ // Now use the ABI implementation to prevent us from having duplicate
+ // code.
+ opts := entities.ImageUntagOptions{}
+ imageEngine := abi.ImageEngine{Libpod: runtime}
+
+ name := utils.GetName(r)
+ if err := imageEngine.Untag(r.Context(), name, tags, opts); err != nil {
+ if errors.Cause(err) == define.ErrNoSuchImage {
+ utils.ImageNotFound(w, name, errors.Wrapf(err, "Failed to find image %s", name))
+ } else {
+ utils.Error(w, "failed to untag", http.StatusInternalServerError, err)
+ }
return
}
utils.WriteResponse(w, http.StatusCreated, "")
diff --git a/pkg/api/server/register_images.go b/pkg/api/server/register_images.go
index b1007fe09..32e401a54 100644
--- a/pkg/api/server/register_images.go
+++ b/pkg/api/server/register_images.go
@@ -1175,7 +1175,7 @@ func (s *APIServer) registerImagesHandlers(r *mux.Router) error {
// tags:
// - images
// summary: Untag an image
- // description: Untag an image
+ // description: Untag an image. If not repo and tag are specified, all tags are removed from the image.
// parameters:
// - in: path
// name: name:.*