Add support for the GardenLinux version epoch in gardenlinux.features.CName

Signed-off-by: Tobias Wolf <[email protected]>
On-behalf-of: SAP <[email protected]>

Author: NotTheEvilOne

src/gardenlinux/features/cname.py

@@ -370,6 +370,22 @@ def version_and_commit_id(self) -> Optional[str]:
 
         return f"{self._version}-{self._commit_id}"
 
+    @property
+    def version_epoch(self) -> Optional[int]:
+        """
+        Returns the GardenLinux version epoch of the cname parsed.
+
+        :return: (str) GardenLinux version epoch
+        :since:  1.0.0
+        """
+
+        epoch = None
+
+        if self._version is not None and "." in self._version:
+            epoch = int(self._version.split(".", 1)[0])
+
+        return epoch
+
     def load_from_release_file(self, release_file: PathLike | str) -> None:
         """
         Loads and parses a release metadata file.

src/gardenlinux/s3/s3_artifacts.py

@@ -153,13 +153,18 @@ def upload_from_directory(
         if secureboot is None:
             secureboot = "_trustedboot" in feature_list
 
+        version_epoch = cname_object.version_epoch
+
+        if version_epoch is None:
+            version_epoch = ""
+
         metadata = {
             "platform": cname_object.feature_set_platform,
             "architecture": cname_object.arch,
             "base_image": None,
             "build_committish": cname_object.commit_hash,
             "build_timestamp": datetime.fromtimestamp(release_timestamp).isoformat(),
-            "gardenlinux_epoch": int(cname_object.version.split(".", 1)[0]),
+            "gardenlinux_epoch": {version_epoch},
             "logs": None,
             "modifiers": cname_object.feature_set,
             "require_uefi": require_uefi,