charm-swift-storage/unit_tests/test_swift_storage_relations.py
Chris MacNaughton 47a4ac6e48 Remove /srv/node from updatedb
This stops updatedb from indexing the storage locations

Change-Id: I6ca6b8667fb06d3b52cedd151531fc0033cf2526
Closes-bug: 1520226
2017-01-25 09:21:31 -05:00

340 lines
13 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.
from mock import patch
import os
import json
import uuid
from test_utils import CharmTestCase, patch_open
with patch('hooks.charmhelpers.contrib.hardening.harden.harden') as mock_dec:
mock_dec.side_effect = (lambda *dargs, **dkwargs: lambda f:
lambda *args, **kwargs: f(*args, **kwargs))
with patch('hooks.lib.misc_utils.is_paused') as is_paused:
with patch('hooks.lib.swift_storage_utils.register_configs') as _:
import hooks.swift_storage_hooks as hooks
from lib.swift_storage_utils import PACKAGES
TO_PATCH = [
'CONFIGS',
# charmhelpers.core.hookenv
'Hooks',
'config',
'log',
'relation_set',
'relation_ids',
'relation_get',
'relations_of_type',
# charmhelpers.core.host
'apt_update',
'apt_install',
'filter_installed_packages',
# charmehelpers.contrib.openstack.utils
'configure_installation_source',
'openstack_upgrade_available',
# swift_storage_utils
'determine_block_devices',
'do_openstack_upgrade',
'ensure_swift_directories',
'execd_preinstall',
'fetch_swift_rings',
'save_script_rc',
'setup_rsync',
'setup_storage',
'register_configs',
'update_nrpe_config',
'get_ipv6_addr',
'status_set',
'set_os_workload_status',
'os_application_version_set',
'add_to_updatedb_prunepath',
]
class SwiftStorageRelationsTests(CharmTestCase):
def setUp(self):
super(SwiftStorageRelationsTests, self).setUp(hooks,
TO_PATCH)
self.config.side_effect = self.test_config.get
self.relation_get.side_effect = self.test_relation.get
def test_prunepath(self):
hooks.config_changed()
self.add_to_updatedb_prunepath.assert_called_with("/srv/node")
def test_install_hook(self):
self.test_config.set('openstack-origin', 'cloud:precise-havana')
hooks.install()
self.configure_installation_source.assert_called_with(
'cloud:precise-havana',
)
self.assertTrue(self.apt_update.called)
self.apt_install.assert_called_with(PACKAGES, fatal=True)
self.assertTrue(self.setup_storage.called)
self.assertTrue(self.execd_preinstall.called)
def test_config_changed_no_upgrade_available(self):
self.openstack_upgrade_available.return_value = False
self.relations_of_type.return_value = False
with patch_open() as (_open, _file):
_file.read.return_value = "foo"
hooks.config_changed()
self.assertFalse(self.do_openstack_upgrade.called)
self.assertTrue(self.CONFIGS.write_all.called)
self.assertTrue(self.setup_rsync.called)
def test_config_changed_upgrade_available(self):
self.openstack_upgrade_available.return_value = True
self.relations_of_type.return_value = False
with patch_open() as (_open, _file):
_file.read.return_value = "foo"
hooks.config_changed()
self.assertTrue(self.do_openstack_upgrade.called)
self.assertTrue(self.CONFIGS.write_all.called)
def test_config_changed_with_openstack_upgrade_action(self):
self.openstack_upgrade_available.return_value = True
self.test_config.set('action-managed-upgrade', True)
with patch_open() as (_open, _file):
_file.read.return_value = "foo"
hooks.config_changed()
self.assertFalse(self.do_openstack_upgrade.called)
def test_config_changed_nrpe_master(self):
self.openstack_upgrade_available.return_value = False
self.relations_of_type.return_value = True
with patch_open() as (_open, _file):
_file.read.return_value = "foo"
hooks.config_changed()
self.assertTrue(self.CONFIGS.write_all.called)
self.assertTrue(self.setup_rsync.called)
self.assertTrue(self.update_nrpe_config.called)
@patch.object(hooks, 'assert_charm_supports_ipv6')
def test_config_changed_ipv6(self, mock_assert_charm_supports_ipv6):
self.test_config.set('prefer-ipv6', True)
self.openstack_upgrade_available.return_value = False
self.relations_of_type.return_value = False
with patch_open() as (_open, _file):
_file.read.return_value = "foo"
hooks.config_changed()
self.assertTrue(self.CONFIGS.write_all.called)
self.assertTrue(self.setup_rsync.called)
@patch.object(hooks, 'ensure_devs_tracked')
def test_upgrade_charm(self, mock_ensure_devs_tracked):
self.filter_installed_packages.return_value = [
'python-psutil']
hooks.upgrade_charm()
self.apt_install.assert_called_with([
'python-psutil'], fatal=True)
self.assertTrue(self.update_nrpe_config.called)
self.assertTrue(mock_ensure_devs_tracked.called)
@patch('hooks.lib.swift_storage_utils.get_device_blkid',
lambda dev: str(uuid.uuid4()))
@patch.object(hooks.os, 'environ')
@patch('hooks.lib.swift_storage_utils.os.path.isdir', lambda *args: True)
@patch.object(hooks, 'relation_set')
@patch('hooks.lib.swift_storage_utils.local_unit')
@patch('hooks.lib.swift_storage_utils.relation_ids', lambda *args: [])
@patch('hooks.lib.swift_storage_utils.KVStore')
@patch.object(uuid, 'uuid4', lambda: 'a-test-uuid')
def _test_storage_joined_single_device(self, mock_kvstore, mock_local_unit,
mock_rel_set, mock_environ,
env_key):
test_uuid = uuid.uuid4()
test_environ = {env_key: test_uuid}
mock_environ.get.side_effect = test_environ.get
mock_local_unit.return_value = 'test/0'
kvstore = mock_kvstore.return_value
kvstore.__enter__.return_value = kvstore
kvstore.get.return_value = None
self.determine_block_devices.return_value = ['/dev/vdb']
hooks.swift_storage_relation_joined()
mock_rel_set.assert_called_with(
relation_id=None,
device='vdb', object_port=6000, account_port=6002,
zone=1, container_port=6001
)
kvstore.get.return_value = None
rel_settings = {}
def fake_kv_set(key, value):
rel_settings[key] = value
kvstore.set.side_effect = fake_kv_set
def fake_kv_get(key):
return rel_settings.get(key)
kvstore.get.side_effect = fake_kv_get
devices = {"vdb@%s" % (test_uuid):
{"status": "active",
"blkid": 'a-test-uuid'}}
kvstore.set.assert_called_with(key='devices',
value=json.dumps(devices))
def test_storage_joined_single_device_juju_1(self):
'''Ensure use of JUJU_ENV_UUID for Juju < 2'''
self._test_storage_joined_single_device(env_key='JUJU_ENV_UUID')
def test_storage_joined_single_device_juju_2(self):
'''Ensure use of JUJU_MODEL_UUID for Juju >= 2'''
self._test_storage_joined_single_device(env_key='JUJU_MODEL_UUID')
@patch('hooks.lib.swift_storage_utils.get_device_blkid',
lambda dev: '%s-blkid-uuid' % os.path.basename(dev))
@patch.object(hooks.os, 'environ')
@patch('hooks.lib.swift_storage_utils.os.path.isdir', lambda *args: True)
@patch.object(hooks, 'relation_set')
@patch('hooks.lib.swift_storage_utils.relation_ids', lambda *args: [])
@patch('hooks.lib.swift_storage_utils.KVStore')
@patch.object(uuid, 'uuid4', lambda: 'a-test-uuid')
def test_storage_joined_ipv6(self, mock_kvstore, mock_rel_set,
mock_environ):
kvstore = mock_kvstore.return_value
kvstore.__enter__.return_value = kvstore
kvstore.get.return_value = None
self.determine_block_devices.return_value = ['/dev/vdb']
self.test_config.set('prefer-ipv6', True)
self.get_ipv6_addr.return_value = ['2001:db8:1::1']
hooks.swift_storage_relation_joined()
args = {
'relation_id': None,
'device': 'vdb', 'object_port': 6000,
'account_port': 6002, 'zone': 1, 'container_port': 6001,
'private-address': '2001:db8:1::1',
}
mock_rel_set.assert_called_with(**args)
kvstore.get.assert_called_with(key='devices')
@patch('hooks.lib.swift_storage_utils.get_device_blkid',
lambda dev: '%s-blkid-uuid' % os.path.basename(dev))
@patch.object(hooks.os, 'environ')
@patch('hooks.lib.swift_storage_utils.os.path.isdir', lambda *args: True)
@patch('hooks.lib.swift_storage_utils.local_unit')
@patch('hooks.lib.swift_storage_utils.relation_ids', lambda *args: [])
@patch('hooks.lib.swift_storage_utils.KVStore')
@patch.object(uuid, 'uuid4', lambda: 'a-test-uuid')
def test_storage_joined_multi_device(self, mock_kvstore, mock_local_unit,
mock_environ):
test_uuid = uuid.uuid4()
test_environ = {'JUJU_ENV_UUID': test_uuid}
mock_environ.get.side_effect = test_environ.get
self.determine_block_devices.return_value = ['/dev/vdb', '/dev/vdc',
'/dev/vdd']
mock_local_unit.return_value = 'test/0'
kvstore = mock_kvstore.return_value
kvstore.__enter__.return_value = kvstore
kvstore.get.return_value = None
rel_settings = {}
def fake_kv_set(key, value):
rel_settings[key] = value
kvstore.set.side_effect = fake_kv_set
def fake_kv_get(key):
return rel_settings.get(key)
kvstore.get.side_effect = fake_kv_get
hooks.swift_storage_relation_joined()
devices = {"vdb@%s" % (test_uuid): {"status": "active",
"blkid": 'vdb-blkid-uuid'},
"vdd@%s" % (test_uuid): {"status": "active",
"blkid": 'vdd-blkid-uuid'},
"vdc@%s" % (test_uuid): {"status": "active",
"blkid": 'vdc-blkid-uuid'}}
kvstore.set.assert_called_with(
key='devices', value=json.dumps(devices)
)
@patch('hooks.lib.swift_storage_utils.get_device_blkid',
lambda dev: '%s-blkid-uuid' % os.path.basename(dev))
@patch.object(hooks.os, 'environ')
@patch('hooks.lib.swift_storage_utils.os.path.isdir', lambda *args: True)
@patch('hooks.lib.swift_storage_utils.local_unit')
@patch('hooks.lib.swift_storage_utils.relation_ids', lambda *args: [])
@patch('hooks.lib.swift_storage_utils.KVStore')
def test_storage_joined_dev_exists_unknown_juju_env_uuid(self,
mock_kvstore,
mock_local_unit,
mock_environ):
test_uuid = uuid.uuid4()
test_environ = {'JUJU_ENV_UUID': test_uuid}
mock_environ.get.side_effect = test_environ.get
self.determine_block_devices.return_value = ['/dev/vdb', '/dev/vdc',
'/dev/vdd']
mock_local_unit.return_value = 'test/0'
kvstore = mock_kvstore.return_value
kvstore.__enter__.return_value = kvstore
kvstore.get.return_value = None
store = {'vdb@%s' % (uuid.uuid4()): {"status": "active",
"blkid": 'vdb-blkid-uuid'}}
def fake_kv_set(key, value):
store[key] = value
kvstore.set.side_effect = fake_kv_set
def fake_kv_get(key):
return store.get(key)
kvstore.get.side_effect = fake_kv_get
hooks.swift_storage_relation_joined()
devices = {"vdb@%s" % (test_uuid): {"status": "active",
"blkid": 'vdb-blkid-uuid'},
"vdd@%s" % (test_uuid): {"status": "active",
"blkid": 'vdd-blkid-uuid'},
"vdc@%s" % (test_uuid): {"status": "active",
"blkid": 'vdc-blkid-uuid'}}
kvstore.set.assert_called_with(
key='devices', value=json.dumps(devices)
)
@patch('sys.exit')
def test_storage_changed_missing_relation_data(self, exit):
hooks.swift_storage_relation_changed()
exit.assert_called_with(0)
def test_storage_changed_with_relation_data(self):
self.test_relation.set({
'swift_hash': 'foo_hash',
'rings_url': 'http://swift-proxy.com/rings/',
})
hooks.swift_storage_relation_changed()
self.CONFIGS.write.assert_called_with('/etc/swift/swift.conf')
self.fetch_swift_rings.assert_called_with(
'http://swift-proxy.com/rings/'
)
@patch('sys.argv')
def test_main_hook_missing(self, _argv):
hooks.main()
self.assertTrue(self.log.called)