Merge "Add update-trilio action"

src/actions.yaml

@@ -0,0 +1,4 @@
+update-trilio:
+  description: |
+    Update the trilio packages and run post-update steps such as rerender
+    configuration files and run any upgrade tasks such as database migrations.

src/actions/actions.py

@@ -0,0 +1,64 @@
+#!/usr/local/sbin/charm-env python3
+# Copyright 2018,2020 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.
+
+import os
+import sys
+
+# Load modules from $CHARM_DIR/lib
+sys.path.append("lib")
+
+from charms.layer import basic
+
+basic.bootstrap_charm_deps()
+basic.init_config_states()
+
+import charmhelpers.core.hookenv as hookenv
+
+import charms_openstack.charm
+
+# import the trilio module to get the charm definitions created.
+import charm.openstack.trilio_horizon_plugin  # noqa
+
+
+def update_trilio(*args):
+    """Run setup after Trilio upgrade.
+    """
+    with charms_openstack.charm.provide_charm_instance() as trilio_charm:
+        trilio_charm.run_trilio_upgrade([])
+        trilio_charm._assess_status()
+
+
+# Actions to function mapping, to allow for illegal python action names that
+# can map to a python function.
+ACTIONS = {
+    "update-trilio": update_trilio,
+}
+
+
+def main(args):
+    action_name = os.path.basename(args[0])
+    try:
+        action = ACTIONS[action_name]
+    except KeyError:
+        return "Action %s undefined" % action_name
+    else:
+        try:
+            action(args)
+        except Exception as e:
+            hookenv.function_fail(str(e))
+
+
+if __name__ == "__main__":
+    sys.exit(main(sys.argv))

src/actions/update-trilio

@@ -0,0 +1 @@
+actions.py