Be even less strict with OCI image index manifest annotations

This commit accepts undefined `annotations.cname` values while `append_layer()` is called.

Signed-off-by: Tobias Wolf <[email protected]>

Author: NotTheEvilOne

.github/actions/features_parse/action.yml

@@ -11,7 +11,7 @@ outputs:
 runs:
   using: composite
   steps:
-    - uses: gardenlinux/python-gardenlinux-lib/.github/actions/[email protected].2
+    - uses: gardenlinux/python-gardenlinux-lib/.github/actions/[email protected].3
     - id: result
       shell: bash
       run: |

.github/actions/flavors_parse/action.yml

@@ -13,7 +13,7 @@ outputs:
 runs:
   using: composite
   steps:
-    - uses: gardenlinux/python-gardenlinux-lib/.github/actions/[email protected].2
+    - uses: gardenlinux/python-gardenlinux-lib/.github/actions/[email protected].3
     - id: matrix
       shell: bash
       run: |

.github/actions/setup/action.yml

@@ -3,7 +3,7 @@ description: Installs the given GardenLinux Python library
 inputs:
     version:
         description: GardenLinux Python library version
-        default: "0.7.2"
+        default: "0.7.3"
 runs:
     using: composite
     steps:

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "gardenlinux"
-version = "0.7.2"
+version = "0.7.3"
 description = "Contains tools to work with the features directory of gardenlinux, for example deducting dependencies from feature sets or validating cnames"
 authors = ["Garden Linux Maintainers <[email protected]>"]
 license = "Apache-2.0"

src/gardenlinux/oci/index.py

@@ -84,9 +84,8 @@ def append_manifest(self, manifest):
 
         for existing_manifest in self["manifests"]:
             if "cname" not in existing_manifest.get("annotations", {}):
-                raise RuntimeError(
-                    "Unexpected layer with missing annotation 'cname' found"
-                )
+                existing_manifest_index += 1
+                continue
 
             if cname == existing_manifest["annotations"]["cname"]:
                 break