charm-nova-cloud-controller/actions/actions.py

78 lines
2.0 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
_path = os.path.dirname(os.path.realpath(__file__))
_root = os.path.abspath(os.path.join(_path, '..'))
def _add_path(path):
if path not in sys.path:
sys.path.insert(1, path)
_add_path(_root)
import charmhelpers.core.hookenv as hookenv
import hooks.nova_cc_utils as utils
def pause(args):
"""Pause the Ceilometer services.
@raises Exception should the service fail to stop.
"""
utils.pause_unit_helper(utils.register_configs())
def resume(args):
"""Resume the Ceilometer services.
@raises Exception should the service fail to start."""
utils.resume_unit_helper(utils.register_configs())
def archive_data(args):
"""Run data archival process
@raises Exception should the archival fail"""
hookenv.action_set({
'archive-deleted-rows': utils.archive_deleted_rows(
max_rows=hookenv.action_get('batch-size'))})
# A dictionary of all the defined actions to callables (which take
# parsed arguments).
ACTIONS = {
"pause": pause,
"resume": resume,
"archive-data": archive_data}
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.action_fail(str(e))
if __name__ == "__main__":
sys.exit(main(sys.argv))