73 lines
2.4 KiB
Python
73 lines
2.4 KiB
Python
# 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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from charmhelpers.core.hookenv import (
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config,
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service_name,
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is_relation_made,
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leader_get,
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)
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from charmhelpers.contrib.openstack.context import (
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OSContextGenerator,
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)
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from charmhelpers.contrib.openstack.utils import (
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get_os_codename_package,
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CompareOpenStackReleases,
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)
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CHARM_CEPH_CONF = '/var/lib/charm/{}/ceph.conf'
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def ceph_config_file():
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return CHARM_CEPH_CONF.format(service_name())
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class CephSubordinateContext(OSContextGenerator):
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interfaces = ['ceph-cinder']
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def __call__(self):
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"""
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Used to generate template context to be added to cinder.conf in the
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presence of a ceph relation.
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"""
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if not is_relation_made('ceph', 'key'):
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return {}
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service = service_name()
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os_codename = get_os_codename_package('cinder-common')
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if CompareOpenStackReleases(os_codename) >= "icehouse":
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volume_driver = 'cinder.volume.drivers.rbd.RBDDriver'
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else:
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volume_driver = 'cinder.volume.driver.RBDDriver'
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if config('rbd-pool-name'):
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pool_name = config('rbd-pool-name')
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else:
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pool_name = service
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section = {service: [('volume_backend_name', service),
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('volume_driver', volume_driver),
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('rbd_pool', pool_name),
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('rbd_user', service),
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('rbd_secret_uuid', leader_get('secret-uuid')),
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('rbd_ceph_conf', ceph_config_file())]}
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if CompareOpenStackReleases(os_codename) >= "mitaka":
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section[service].append(('report_discard_supported', True))
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if CompareOpenStackReleases(os_codename) >= "queens":
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section[service].append(('rbd_exclusive_cinder_pool', True))
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return {'cinder': {'/etc/cinder/cinder.conf': {'sections': section}}}
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