Action managed OpenStack upgrade

actions/openstack-upgrade

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

actions/openstack_upgrade.py

@@ -0,0 +1,35 @@
+#!/usr/bin/python
+import sys
+
+sys.path.append('hooks/')
+
+from charmhelpers.contrib.openstack.utils import (
+    do_action_openstack_upgrade,
+)
+
+from neutron_utils import (
+    do_openstack_upgrade,
+    register_configs,
+    get_common_package,
+)
+
+
+CONFIGS = register_configs()
+
+
+def openstack_upgrade():
+    """Upgrade packages to config-set Openstack version.
+
+    If the charm was installed from source we cannot upgrade it.
+    For backwards compatibility a config flag must be set for this
+    code to run, otherwise a full service level upgrade will fire
+    on config-changed."""
+
+    if (do_action_openstack_upgrade(get_common_package,
+                                    do_openstack_upgrade,
+                                    CONFIGS)):
+        CONFIGS.write_all()
+
+
+if __name__ == '__main__':
+    openstack_upgrade()