Include arches to build metadata

For some older versions like v4.12, OCP has stopped building the
binary image for a couple of arches. Index image should follow suite.
Include arches in the build metadata so the builder task can build the
index image accordingly.

Signed-off-by: Yashvardhan Nanavati <yashn@bu.edu>

Assisted-by: Cursor

Author: yashvardhannanavati

iib/workers/tasks/build_containerized_create_empty_index.py

@@ -270,6 +270,7 @@ def handle_containerized_create_empty_index_request(
             distribution_scope,
             binary_image_resolved,
             request_id,
+            arches,
         )
 
         # Add custom labels to metadata file if provided

iib/workers/tasks/build_containerized_fbc_operations.py

@@ -169,6 +169,7 @@ def handle_containerized_fbc_operation_request(
             distribution_scope,
             binary_image_resolved,
             request_id,
+            arches,
         )
 
         try:

iib/workers/tasks/build_containerized_rm.py

@@ -220,6 +220,7 @@ def handle_containerized_rm_request(
             distribution_scope,
             binary_image_resolved,
             request_id,
+            arches,
         )
 
         try:

iib/workers/tasks/containerized_utils.py

@@ -169,19 +169,21 @@ def write_build_metadata(
     distribution_scope: str,
     binary_image: str,
     request_id: int,
+    arches: set,
 ) -> None:
     """
     Write build metadata file for Konflux build task.
 
     This function creates a JSON metadata file that contains information needed by the
-    Konflux build task, including OPM version, labels, binary image, and request ID.
+    Konflux build task, including OPM version, labels, binary image, request ID, and arches.
 
     :param str local_repo_path: Path to local Git repository
     :param str opm_version: OPM version string (e.g., "opm-1.40.0")
     :param str ocp_version: OCP version (e.g., "v4.19")
     :param str distribution_scope: Distribution scope (e.g., "PROD")
     :param str binary_image: Binary image pullspec
     :param int request_id: Request ID
+    :param set arches: Set of architectures (e.g., {'amd64', 's390x'})
     """
     metadata = {
         'opm_version': opm_version,
@@ -191,6 +193,7 @@ def write_build_metadata(
         },
         'binary_image': binary_image,
         'request_id': request_id,
+        'arches': sorted(list(arches)),
     }
 
     metadata_path = os.path.join(local_repo_path, '.iib-build-metadata.json')

tests/test_workers/test_tasks/test_containerized_utils.py

@@ -168,6 +168,7 @@ def test_write_build_metadata_creates_expected_json(mock_log, tmp_path):
     distribution_scope = 'PROD'
     binary_image = 'quay.io/ns/binary-image:tag'
     request_id = 12345
+    arches = {'amd64', 's390x'}
 
     write_build_metadata(
         str(local_repo_path),
@@ -176,6 +177,7 @@ def test_write_build_metadata_creates_expected_json(mock_log, tmp_path):
         distribution_scope,
         binary_image,
         request_id,
+        arches,
     )
 
     metadata_path = local_repo_path / '.iib-build-metadata.json'
@@ -192,6 +194,7 @@ def test_write_build_metadata_creates_expected_json(mock_log, tmp_path):
         },
         'binary_image': binary_image,
         'request_id': request_id,
+        'arches': ['amd64', 's390x'],
     }
 
     mock_log.info.assert_called_once_with('Written build metadata to %s', str(metadata_path))