Merge pull request #18327 from rhatdan/docker

Add sha256: to images history id for docker compatibility

pkg/api/handlers/compat/images_history.go

@@ -33,13 +33,17 @@ func HistoryImage(w http.ResponseWriter, r *http.Request) {
 	allHistory := make([]handlers.HistoryResponse, 0, len(history))
 	for _, h := range history {
 		l := handlers.HistoryResponse{
-			ID:        h.ID,
 			Created:   h.Created.Unix(),
 			CreatedBy: h.CreatedBy,
 			Tags:      h.Tags,
 			Size:      h.Size,
 			Comment:   h.Comment,
 		}
+		if utils.IsLibpodRequest(r) {
+			l.ID = h.ID
+		} else {
+			l.ID = "sha256:" + h.ID
+		}
 		allHistory = append(allHistory, l)
 	}
 	utils.WriteResponse(w, http.StatusOK, allHistory)

test/apiv2/10-images.at

@@ -78,6 +78,15 @@ for i in $iid ${iid:0:12} $PODMAN_TEST_IMAGE_NAME; do
     .[0].Comment=
 done
 
+for i in $iid ${iid:0:12} $PODMAN_TEST_IMAGE_NAME; do
+  t GET images/$i/history 200 \
+    .[0].Id="sha256:"$iid \
+    .[0].Created~[0-9]\\{10\\} \
+    .[0].Tags=null \
+    .[0].Size=0 \
+    .[0].Comment=
+done
+
 # Export an image on the local
 t GET libpod/images/nonesuch/get 404
 t GET libpod/images/$iid/get?format=foo 500

test/python/docker/compat/test_images.py

@@ -70,12 +70,11 @@ class TestImages(common.DockerTestCase):
         """Image history"""
         img = self.docker.images.get(constant.ALPINE)
         history = img.history()
-        image_id = img.id[7:] if img.id.startswith("sha256:") else img.id
 
         found = False
         for change in history:
-            found |= image_id in change.values()
-        self.assertTrue(found, f"image id {image_id} not found in history")
+            found |= img.id in change.values()
+        self.assertTrue(found, f"image id {img.id} not found in history")
 
     def test_get_image_exists_not(self):
         """Negative test for get image"""