charm-cinder-ceph/unit_tests/test_cinder_contexts.py
Liam Young df6b239526 Expose rbd-pool-name
In some situations an existing rbd pool may already be populated
with images that are in use. This is the case when migrating
from the old topology where cinder had a direct relation to
ceph-mon.

Change-Id: I93eb801ca4a166f862d5d86711d9476c61851344
2019-01-23 17:51:46 +00:00

142 lines
5.3 KiB
Python

# 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 cinder_contexts as contexts
from test_utils import (
CharmTestCase
)
TO_PATCH = [
'config',
'is_relation_made',
'service_name',
'get_os_codename_package',
'leader_get',
]
class TestCinderContext(CharmTestCase):
def setUp(self):
super(TestCinderContext, self).setUp(contexts, TO_PATCH)
self.config.side_effect = self.test_config.get
self.leader_get.return_value = 'libvirt-uuid'
self.maxDiff = None
def test_ceph_not_related(self):
self.is_relation_made.return_value = False
self.assertEqual(contexts.CephSubordinateContext()(), {})
def test_ceph_related_icehouse(self):
self.is_relation_made.return_value = True
self.get_os_codename_package.return_value = "icehouse"
service = 'mycinder'
self.service_name.return_value = service
self.assertEqual(
contexts.CephSubordinateContext()(),
{"cinder": {
"/etc/cinder/cinder.conf": {
"sections": {
service: [
('volume_backend_name', service),
('volume_driver',
'cinder.volume.drivers.rbd.RBDDriver'),
('rbd_pool', service),
('rbd_user', service),
('rbd_secret_uuid', 'libvirt-uuid'),
('rbd_ceph_conf',
'/var/lib/charm/mycinder/ceph.conf')
]
}
}
}})
def test_ceph_related_mitaka(self):
self.is_relation_made.return_value = True
self.get_os_codename_package.return_value = "mitaka"
service = 'mycinder'
self.service_name.return_value = service
self.assertEqual(
contexts.CephSubordinateContext()(),
{"cinder": {
"/etc/cinder/cinder.conf": {
"sections": {
service: [
('volume_backend_name', service),
('volume_driver',
'cinder.volume.drivers.rbd.RBDDriver'),
('rbd_pool', service),
('rbd_user', service),
('rbd_secret_uuid', 'libvirt-uuid'),
('rbd_ceph_conf',
'/var/lib/charm/mycinder/ceph.conf'),
('report_discard_supported', True)
]
}
}
}})
def test_ceph_related_queens(self):
self.is_relation_made.return_value = True
self.get_os_codename_package.return_value = "queens"
service = 'mycinder'
self.service_name.return_value = service
self.assertEqual(
contexts.CephSubordinateContext()(),
{"cinder": {
"/etc/cinder/cinder.conf": {
"sections": {
service: [
('volume_backend_name', service),
('volume_driver',
'cinder.volume.drivers.rbd.RBDDriver'),
('rbd_pool', service),
('rbd_user', service),
('rbd_secret_uuid', 'libvirt-uuid'),
('rbd_ceph_conf',
'/var/lib/charm/mycinder/ceph.conf'),
('report_discard_supported', True),
('rbd_exclusive_cinder_pool', True)
]
}
}
}})
def test_ceph_explicit_pool_name(self):
self.test_config.set('rbd-pool-name', 'special_pool')
self.is_relation_made.return_value = True
self.get_os_codename_package.return_value = "mitaka"
service = 'mycinder'
self.service_name.return_value = service
self.assertEqual(
contexts.CephSubordinateContext()(),
{"cinder": {
"/etc/cinder/cinder.conf": {
"sections": {
service: [
('volume_backend_name', service),
('volume_driver',
'cinder.volume.drivers.rbd.RBDDriver'),
('rbd_pool', 'special_pool'),
('rbd_user', service),
('rbd_secret_uuid', 'libvirt-uuid'),
('rbd_ceph_conf',
'/var/lib/charm/mycinder/ceph.conf'),
('report_discard_supported', True)
]
}
}
}})