90 lines
2.5 KiB
Python
Executable File
90 lines
2.5 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
# Copyright 2016 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 charms.reactive as reactive
|
|
import charmhelpers.core.hookenv as hookenv
|
|
import charms_openstack.charm
|
|
|
|
"""This module defines the generic OpenStack charm actions. To use these the
|
|
charm needs to call run_action having imported the charms charm class e.g.
|
|
|
|
```
|
|
#!/usr/bin/env python3
|
|
import sys
|
|
import os_generic_actions
|
|
|
|
import charm.openstack.aodh # noqa
|
|
|
|
sys.exit(os_generic_actions.run_action(sys.argv))
|
|
```
|
|
|
|
The above code can be placed in a file called *os_actions.py* symbolic links
|
|
with the action names can then be created.
|
|
|
|
```
|
|
lrwxrwxrwx 1 root root 13 Sep 18 06:45 pause -> os_actions.py
|
|
lrwxrwxrwx 1 root root 13 Sep 18 06:45 resume -> os_actions.py
|
|
```
|
|
|
|
"""
|
|
|
|
def pause_action(*args):
|
|
"""Run the pause action."""
|
|
with charms_openstack.charm.provide_charm_instance() as charm_instance:
|
|
charm_instance.pause()
|
|
# Run _assess_status rather than assess_status so the call is not
|
|
# deferred.
|
|
charm_instance._assess_status()
|
|
|
|
|
|
def resume_action(*args):
|
|
"""Run the resume action."""
|
|
with charms_openstack.charm.provide_charm_instance() as charm_instance:
|
|
charm_instance.resume()
|
|
# Run _assess_status rather than assess_status so the call is not
|
|
# deferred.
|
|
charm_instance._assess_status()
|
|
|
|
|
|
# Actions to function mapping, to allow for illegal python action names that
|
|
# can map to a python function.
|
|
ACTIONS = {
|
|
"pause": pause_action,
|
|
"resume": resume_action,
|
|
}
|
|
|
|
|
|
def run_action(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.action_fail(str(e))
|