Encode S3 aritfact metadata build_timestamp as YAML type timestamp

Signed-off-by: Tobias Wolf <wolf@b1-systems.de>
On-behalf-of: SAP <tobias.wolf@sap.com>

Author: NotTheEvilOne

src/gardenlinux/s3/s3_artifacts.py

@@ -174,7 +174,7 @@ def upload_from_directory(
             "architecture": arch,
             "base_image": None,
             "build_committish": commit_id_or_hash,
-            "build_timestamp": datetime.fromtimestamp(release_timestamp).isoformat(),
+            "build_timestamp": datetime.fromtimestamp(release_timestamp),
             "logs": None,
             "modifiers": feature_set_list,
             "require_uefi": require_uefi,

tests/s3/constants.py

@@ -16,7 +16,7 @@
 architecture: amd64
 base_image: null
 build_committish: abc123lo
-build_timestamp: '{build_timestamp}'
+build_timestamp: {build_timestamp}
 logs: null
 modifiers:
 - _usi

tests/s3/test_main.py

@@ -96,8 +96,8 @@ def test_main_with_expected_result(
         result = capsys.readouterr().out.strip()
 
         result = re.sub(
-            "^(.*)build_timestamp\\: '.+'$",
-            "\\1build_timestamp: '{build_timestamp}'",
+            "^(.*)build_timestamp\\: .+$",
+            "\\1build_timestamp: {build_timestamp}",
             result,
             flags=re.M,
         )