rotate-images: check if image was built by orchestrator before promoting it as weekly

https://phabricator.apertis.org/T10021

rotate-images/rotate-images.py

@@ -30,6 +30,25 @@ def make_build_name(image):
 def latest_release(directory):
     return sorted(fnmatch.filter(os.listdir(os.path.join(directory, 'daily')), '??.??'))[-1]
 
+
+def check_orchestrator_build(image_path):
+    orchestrator_metadata = "orchestrator.txt"
+    orchestrator_metadata_path = os.path.join(image_path, "meta", orchestrator_metadata)
+
+    build_orchestrator_pattern = re.compile(r"BUILD_ORIGIN=https://.*/infrastructure/builds-orchestrator/")
+
+    if os.path.isfile(orchestrator_metadata_path):
+        with open(orchestrator_metadata_path) as f:
+            orch_metadata_content = f.read()
+
+        build_orchestrator = build_orchestrator_pattern.search(orch_metadata_content)
+
+        if build_orchestrator:
+            return True
+        return False
+    return False
+
+
 def scan_builds(directory, periodic='daily', release=None):
     if release is None:
         release = latest_release(directory)
@@ -41,6 +60,9 @@ def scan_builds(directory, periodic='daily', release=None):
         datestr = image['build'].partition('.')[0]
         if datestr in skip_items:
             continue
+        image_path = os.path.join(directory, periodic, release, builddir)
+        if not check_orchestrator_build(image_path):
+            continue
         image['date'] = datetime.datetime.strptime(datestr, '%Y%m%d')
         image['weekday'] = image['date'].isoweekday()
         image['age'] = (today - image['date']).days