Add a class to refresh all charms in a directory.

zaza/charm_tests/lifecycle/refresh.py

@@ -0,0 +1,61 @@
+#!/usr/bin/env python3
+
+# Copyright 2024 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+"""Code for managing various lifecycle functionality via Zaza."""
+
+import glob
+import logging
+import os
+
+import zaza.model as model
+import subprocess
+
+
+class CharmRefreshAll:
+    """Perform upgrades of all charms in a local file path."""
+
+    test_runner = 'direct_with_args'
+
+    def run(self, *args, **kwargs):
+        """Upgrade all the charms found in a local path."""
+        path = os.environ.get('CHARMS_ARTIFACT_DIR')
+        if not path:
+            logging.info('charms path not found')
+            return True
+
+        path = os.path.realpath(path)
+        if path[-1] != '/':
+            path += '/'
+
+        charms = glob.glob(path + '*.charm')
+        if not charms:
+            logging.info('no charms found in path')
+            return True
+
+        for charm in charms:
+            app_name = charm[len(path):].replace('.charm', '')
+            try:
+                model.get_application(app_name)
+            except KeyError:
+                logging.info('charm %s not found in current model' % app_name)
+                continue
+
+            logging.info('refreshing charm %s' % app_name)
+            subprocess.check_call([
+                'juju', 'refresh', '--path', charm, app_name
+            ])
+
+        return True