compat API: /images/json prefix image id with sha256

Docker adds the `sha256:` prefix to the image ID, so our compat endpoint has to do this as well. Fixes containers#11623 Signed-off-by: Paul Holzinger <[email protected]>
Luap99 · Sep 20, 2021 · 5242030 · 5242030
1 parent ddb3844
commit 5242030
Show file tree

Hide file tree

Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/pkg/api/handlers/types.go b/pkg/api/handlers/types.go
@@ -183,7 +183,8 @@ func ImageToImageSummary(l *libimage.Image) (*entities.ImageSummary, error) {
 	}
 
 	is := entities.ImageSummary{
-		ID:           l.ID(),
+		// docker adds sha256: in front of the ID
+		ID:           "sha256:" + l.ID(),
 		ParentId:     imageData.Parent,
 		RepoTags:     imageData.RepoTags,
 		RepoDigests:  imageData.RepoDigests,

diff --git a/test/apiv2/python/rest_api/test_v2_0_0_image.py b/test/apiv2/python/rest_api/test_v2_0_0_image.py
@@ -32,6 +32,9 @@ def test_list(self):
             for k in required_keys:
                 self.assertIn(k, item)
 
+            # Id should be prefixed with sha256: (#11645)
+            self.assertIn("sha256:",item['Id'])
+
     def test_inspect(self):
         r = requests.get(self.podman_url + "/v1.40/images/alpine/json")
         self.assertEqual(r.status_code, 200, r.text)
@@ -59,6 +62,8 @@ def test_inspect(self):
         for item in required_keys:
             self.assertIn(item, image)
         _ = parse(image["Created"])
+        # Id should be prefixed with sha256: (#11645)
+        self.assertIn("sha256:",image['Id'])
 
     def test_delete(self):
         r = requests.delete(self.podman_url + "/v1.40/images/alpine?force=true")