Add centos9 support for emit_releases_script

emit_releases_file needed to be updated to support centos9 and
integration pipeline.
The tests have been only partially updated: added the success
scenario to cover the centos9 case.

Change-Id: I4e35a0ce1c7b38a7e354c4571ac6a005697632d7

scripts/emit_releases_file/emit_releases_file.py

@@ -110,8 +110,13 @@ def get_dlrn_hash(
     logger.error("distro %s version %s", distro_name, distro_version)
     if distro_name == 'centos' and distro_version == '7':
         repo_url = '%s/centos7-%s/%s/delorean.repo' % (rdo_url, release, hash_name)
-    elif distro_name == 'centos' and distro_version == '8':
-        repo_url = '%s/centos8-%s/%s/delorean.repo.md5' % (rdo_url, release, hash_name)
+    elif distro_name == 'centos' and distro_version in ['8', '9']:
+        repo_url = '%s/centos%s-%s/%s/delorean.repo.md5' % (
+            rdo_url,
+            distro_version,
+            release,
+            hash_name,
+        )
     logger.debug(
         "distro_name {} distro_version {} repo_url {}"
         "".format(distro_name, distro_version, repo_url)
@@ -131,7 +136,7 @@ def get_dlrn_hash(
             if distro_name == 'centos' and distro_version == '7':
                 print(repo_file.text)
                 full_hash = full_hash_pattern.findall(repo_file.text)[0]
-            elif distro_name == 'centos' and distro_version == '8':
+            elif distro_name == 'centos' and distro_version in ['8', '9']:
                 full_hash = repo_file.text
             break
 
@@ -435,7 +440,7 @@ if __name__ == '__main__':
     )
     parser.add_argument(
         '--distro-version',
-        choices=['7', '8'],
+        choices=['7', '8', '9'],
         required=True,
         help='Distribution version',
     )

scripts/emit_releases_file/test_get_dlrn_hash.py

@@ -45,6 +45,7 @@ def test_get_dlrn_hash_ok(mock_get, mock_logging):
     mock_log_warning.assert_not_called()
     mock_log_exception.assert_not_called()
 
+    # centos8 test scenario
     mock_get.reset_mock()
     mock_log_info.reset_mock()
     mock_response.text = '7e8e0fc03b54164921f49fdb4103202c'
@@ -69,6 +70,31 @@ def test_get_dlrn_hash_ok(mock_get, mock_logging):
     mock_log_warning.assert_not_called()
     mock_log_exception.assert_not_called()
 
+    # centos9 test scenario
+    mock_get.reset_mock()
+    mock_log_info.reset_mock()
+    mock_response.text = '1b28380bbbe279159578da5c60e567492cbb599d'
+    mock_get.return_value = mock_response
+    release = 'master'
+    hash_name = 'current-tripleo'
+    dlrn_hash = '1b28380bbbe279159578da5c60e567492cbb599d'
+    repo_url = 'https://trunk.rdoproject.org/centos9-%s/%s/delorean.repo.md5' % (
+        release,
+        hash_name,
+    )
+    assert (
+        get_dlrn_hash(release, hash_name, distro_name='centos', distro_version='9')
+        == dlrn_hash
+    )
+    mock_get.assert_called_once_with(repo_url, timeout=8)
+    mock_log_info.assert_called_once_with(
+        "Got DLRN hash: {} for the named "
+        "hash: {} on the {} "
+        "release".format(dlrn_hash, hash_name, release)
+    )
+    mock_log_warning.assert_not_called()
+    mock_log_exception.assert_not_called()
+
 
 @mock.patch('logging.getLogger')
 @mock.patch('requests.get')