152 lines
4.1 KiB
Python
Executable File
152 lines
4.1 KiB
Python
Executable File
#!/usr/bin/env python3
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#
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# Copyright 2016 Canonical Ltd
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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import subprocess
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import sys
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sys.path.append('hooks/')
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import multisite
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from charmhelpers.core.hookenv import (
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action_fail,
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config,
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action_set,
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)
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from utils import (
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pause_unit_helper,
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resume_unit_helper,
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register_configs,
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)
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def pause(args):
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"""Pause the Ceilometer services.
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@raises Exception should the service fail to stop.
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"""
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pause_unit_helper(register_configs())
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def resume(args):
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"""Resume the Ceilometer services.
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@raises Exception should the service fail to start."""
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resume_unit_helper(register_configs())
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def promote(args):
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"""Promote zone associated with local RGW units to master/default"""
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zone = config('zone')
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if not zone:
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action_fail('No zone configuration set, not promoting')
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return
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try:
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multisite.modify_zone(zone,
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default=True, master=True)
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multisite.update_period()
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action_set(
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values={'message': 'zone:{} promoted to '
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'master/default'.format(zone)}
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)
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except subprocess.CalledProcessError as cpe:
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action_fail('Unable to promote zone:{} '
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'to master: {}'.format(zone, cpe.output))
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def readonly(args):
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"""Mark zone associated with local RGW units as read only"""
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zone = config('zone')
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if not zone:
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action_fail('No zone configuration set, not marking read only')
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return
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try:
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multisite.modify_zone(zone, readonly=True)
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multisite.update_period()
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action_set(
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values={
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'message': 'zone:{} marked as read only'.format(zone)
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}
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)
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except subprocess.CalledProcessError as cpe:
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action_fail('Unable mark zone:{} '
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'as read only: {}'.format(zone, cpe.output))
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def readwrite(args):
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"""Mark zone associated with local RGW units as read write"""
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zone = config('zone')
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if not zone:
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action_fail('No zone configuration set, not marking read write')
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return
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try:
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multisite.modify_zone(zone, readonly=False)
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multisite.update_period()
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action_set(
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values={
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'message': 'zone:{} marked as read write'.format(zone)
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}
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)
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except subprocess.CalledProcessError as cpe:
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action_fail('Unable mark zone:{} '
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'as read write: {}'.format(zone, cpe.output))
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def tidydefaults(args):
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"""Delete default zone and zonegroup metadata"""
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zone = config('zone')
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if not zone:
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action_fail('No zone configuration set, not deleting defaults')
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return
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try:
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multisite.tidy_defaults()
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action_set(
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values={
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'message': 'default zone and zonegroup deleted'
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}
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)
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except subprocess.CalledProcessError as cpe:
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action_fail('Unable delete default zone and zonegroup'
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': {}'.format(zone, cpe.output))
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# A dictionary of all the defined actions to callables (which take
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# parsed arguments).
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ACTIONS = {
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"pause": pause,
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"resume": resume,
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"promote": promote,
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"readonly": readonly,
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"readwrite": readwrite,
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"tidydefaults": tidydefaults,
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}
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def main(args):
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action_name = os.path.basename(args[0])
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try:
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action = ACTIONS[action_name]
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except KeyError:
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return "Action %s undefined" % action_name
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else:
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try:
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action(args)
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except Exception as e:
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action_fail(str(e))
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if __name__ == "__main__":
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sys.exit(main(sys.argv))
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