def test_hook_scope(self):
kv = Storage(':memory:')
try:
with kv.hook_scope('install') as rev:
self.assertEqual(rev, 1)
kv.set('a', 1)
raise RuntimeError('x')
except RuntimeError:
self.assertEqual(kv.get('a'), None)
with kv.hook_scope('config-changed') as rev:
self.assertEqual(rev, 1)
kv.set('a', 1)
self.assertEqual(kv.get('a'), 1)
kv.revision = None
with kv.hook_scope('start') as rev:
self.assertEqual(rev, 2)
kv.set('a', False)
kv.set('a', True)
self.assertEqual(kv.get('a'), True)
# History doesn't decode values by default
history = [h[:-1] for h in kv.gethistory('a')]
self.assertEqual(
history,
[(1, 'a', '1', 'config-changed'),
(2, 'a', 'true', 'start')])
history = [h[:-1] for h in kv.gethistory('a', deserialize=True)]
self.assertEqual(
history,
[(1, 'a', 1, 'config-changed'),
(2, 'a', True, 'start')])
def test_init_kv_multiple(self):
with tempfile.NamedTemporaryFile() as fh:
kv = Storage(fh.name)
with kv.hook_scope('xyz'):
kv.set('x', 1)
kv.close()
kv = Storage(fh.name)
with kv.hook_scope('abc'):
self.assertEqual(kv.get('x'), 1)
kv.close()
def remember_devices(devs):
"""Add device to local store of ringed devices."""
d = os.path.dirname(KV_DB_PATH)
if not os.path.isdir(d):
mkdir(d)
kvstore = KVStore(KV_DB_PATH)
devstore = devstore_safe_load(kvstore.get(key='devices')) or {}
env_uuid = os.environ['JUJU_ENV_UUID']
for dev in devs:
blk_uuid = get_device_blkid("/dev/%s" % (dev))
key = "%s@%s" % (dev, env_uuid)
if key in devstore and devstore[key].get('blkid') == blk_uuid:
log("Device '%s' already in devstore (status:%s)" %
(dev, devstore[key].get('status')), level=DEBUG)
else:
existing = [(k, v) for k, v in devstore.iteritems()
if v.get('blkid') == blk_uuid and
re.match("^(.+)@(.+)$", k).group(1) == dev]
if existing:
log("Device '%s' already in devstore but has a different "
"JUJU_ENV_UUID (%s)" %
(dev, re.match(".+@(.+)$", existing[0][0]).group(1)),
level=WARNING)
else:
log("Adding device '%s' with blkid='%s' to devstore" %
(blk_uuid, dev),
level=DEBUG)
devstore[key] = {'blkid': blk_uuid, 'status': 'active'}
if devstore:
kvstore.set(key='devices', value=json.dumps(devstore))
kvstore.flush()
kvstore.close()
def test_update(self):
kv = Storage(':memory:')
kv.update({'v_a': 1, 'v_b': 2.2})
self.assertEqual(kv.getrange('v_'), {'v_a': 1, 'v_b': 2.2})
kv.update({'a': False, 'b': True}, prefix='x_')
self.assertEqual(kv.getrange('x_', True), {'a': False, 'b': True})
def test_delta(self):
kv = Storage(':memory:')
kv.update({'a': 1, 'b': 2.2}, prefix="x")
delta = kv.delta({'a': 0, 'c': False}, prefix='x')
self.assertEqual(
delta,
{'a': (1, 0), 'b': (2.2, None), 'c': (None, False)})
self.assertEqual(delta.a.previous, 1)
self.assertEqual(delta.a.current, 0)
self.assertEqual(delta.c.previous, None)
self.assertEqual(delta.a.current, False)
def test_get_set_unset(self):
kv = Storage(':memory:')
kv.hook_scope('test')
kv.set('hello', 'saucy')
kv.set('hello', 'world')
self.assertEqual(kv.get('hello'), 'world')
kv.flush()
kv.unset('hello')
self.assertEqual(kv.get('hello'), None)
kv.flush(False)
self.assertEqual(kv.get('hello'), 'world')
def test_keyrange(self):
kv = Storage(':memory:')
kv.set('docker.net_mtu', 1)
kv.set('docker.net_nack', True)
kv.set('docker.net_type', 'vxlan')
self.assertEqual(
kv.getrange('docker'),
{'docker.net_mtu': 1, 'docker.net_type': 'vxlan',
'docker.net_nack': True})
self.assertEqual(
kv.getrange('docker.', True),
{'net_mtu': 1, 'net_type': 'vxlan', 'net_nack': True})
def test_unset(self):
kv = Storage(':memory:')
with kv.hook_scope('install'):
kv.set('a', True)
with kv.hook_scope('start'):
kv.set('a', False)
with kv.hook_scope('config-changed'):
kv.unset('a')
history = [h[:-1] for h in kv.gethistory('a')]
self.assertEqual(history, [(1, 'a', 'true', 'install'),
(2, 'a', 'false', 'start'),
(3, 'a', '"DELETED"', "config-changed")])
def test_record(self):
kv = Storage(':memory:')
kv.set('config', {'x': 1, 'b': False})
config = kv.get('config', record=True)
self.assertEqual(config.b, False)
self.assertEqual(config.x, 1)
self.assertEqual(kv.set('config.x', 1), 1)
try:
config.z
except AttributeError:
pass
else:
self.fail('attribute error should fire on nonexistant')
def test_delta_no_previous_and_history(self):
kv = Storage(':memory:')
with kv.hook_scope('install'):
data = {'a': 0, 'c': False}
delta = kv.delta(data, 'settings.')
self.assertEqual(delta, {'a': (None, False), 'c': (None, False)})
kv.update(data, 'settings.')
with kv.hook_scope('config'):
data = {'a': 1, 'c': True}
delta = kv.delta(data, 'settings.')
self.assertEqual(delta, {'a': (0, 1), 'c': (False, True)})
kv.update(data, 'settings.')
# strip the time
history = [h[:-1] for h in kv.gethistory('settings.a')]
self.assertEqual(history, [(1, 'settings.a', '0', 'install'),
(2, 'settings.a', '1', 'config')])
def remember_devices(devs):
"""Add device to local store of ringed devices."""
d = os.path.dirname(KV_DB_PATH)
if not os.path.isdir(d):
mkdir(d)
kvstore = KVStore(KV_DB_PATH)
devstore = devstore_safe_load(kvstore.get(key='devices')) or {}
env_uuid = os.environ.get('JUJU_ENV_UUID',
os.environ.get('JUJU_MODEL_UUID'))
for dev in devs:
blk_uuid = get_device_blkid("/dev/%s" % (dev))
key = "%s@%s" % (dev, env_uuid)
if key in devstore and devstore[key].get('blkid') == blk_uuid:
log("Device '%s' already in devstore (status:%s)" %
(dev, devstore[key].get('status')),
level=DEBUG)
else:
existing = [(k, v) for k, v in devstore.iteritems()
if v.get('blkid') == blk_uuid
and re.match("^(.+)@(.+)$", k).group(1) == dev]
if existing:
log("Device '%s' already in devstore but has a different "
"JUJU_[ENV|MODEL]_UUID (%s)" %
(dev, re.match(".+@(.+)$", existing[0][0]).group(1)),
level=WARNING)
else:
log("Adding device '%s' with blkid='%s' to devstore" %
(dev, blk_uuid),
level=DEBUG)
devstore[key] = {'blkid': blk_uuid, 'status': 'active'}
if devstore:
kvstore.set(key='devices', value=json.dumps(devstore))
kvstore.flush()
kvstore.close()
def is_device_in_ring(dev, skip_rel_check=False, ignore_deactivated=True):
"""Check if device has been added to the ring.
First check local KV store then check storage rel with proxy.
"""
d = os.path.dirname(KV_DB_PATH)
if not os.path.isdir(d):
mkdir(d)
log("Device '%s' does not appear to be in use by Swift" % (dev),
level=INFO)
return False
# First check local KV store
kvstore = KVStore(KV_DB_PATH)
devstore = devstore_safe_load(kvstore.get(key='devices'))
kvstore.close()
deactivated = []
if devstore:
blk_uuid = get_device_blkid("/dev/%s" % (dev))
env_uuid = os.environ.get('JUJU_ENV_UUID',
os.environ.get('JUJU_MODEL_UUID'))
masterkey = "%s@%s" % (dev, env_uuid)
if (masterkey in devstore
and devstore[masterkey].get('blkid') == blk_uuid
and devstore[masterkey].get('status') == 'active'):
log("Device '%s' appears to be in use by Swift (found in local "
"devstore)" % (dev),
level=INFO)
return True
for key, val in devstore.iteritems():
if key != masterkey and val.get('blkid') == blk_uuid:
log("Device '%s' appears to be in use by Swift (found in "
"local devstore) but has a different "
"JUJU_[ENV|MODEL]_UUID (current=%s, expected=%s). "
"This could indicate that the device was added as part of "
"a previous deployment and will require manual removal or "
"updating if it needs to be reformatted." %
(dev, key, masterkey),
level=INFO)
return True
if ignore_deactivated:
deactivated = [
k == masterkey and v.get('blkid') == blk_uuid
and v.get('status') != 'active'
for k, v in devstore.iteritems()
]
if skip_rel_check:
log("Device '%s' does not appear to be in use by swift (searched "
"local devstore only)" % (dev),
level=INFO)
return False
# Then check swift-storage relation with proxy
for rid in relation_ids('swift-storage'):
devstore = relation_get(attribute='device', rid=rid, unit=local_unit())
if devstore and dev in devstore.split(':'):
if not ignore_deactivated or dev not in deactivated:
log("Device '%s' appears to be in use by swift (found on "
"proxy relation) but was not found in local devstore so "
"will be added to the cache" % (dev),
level=INFO)
remember_devices([dev])
return True
log("Device '%s' does not appear to be in use by swift (searched local "
"devstore and proxy relation)" % (dev),
level=INFO)
return False
def test_configure_amqp(self, mock_config,
mock_grant_permissions, mock_create_vhost,
mock_create_user, mock_get_rabbit_password,
mock_set_ha_mode, mock_is_leader,
mock_configure_notification_ttl,
mock_configure_ttl):
config_data = {
'notification-ttl': 450000,
'mirroring-queues': True,
}
mock_is_leader.return_value = True
mock_config.side_effect = lambda attribute: config_data.get(attribute)
tmpdir = tempfile.mkdtemp()
try:
db_path = '{}/kv.db'.format(tmpdir)
rid = 'amqp:1'
store = Storage(db_path)
with patch('charmhelpers.core.unitdata._KV', store):
# Check .set
with patch.object(store, 'set') as mock_set:
rabbitmq_server_relations.configure_amqp('user_foo',
'vhost_blah', rid)
d = {rid: {"username": "******", "vhost": "vhost_blah",
"ttl": None, "mirroring-queues": True}}
mock_set.assert_has_calls([call(key='amqp_config_tracker',
value=d)])
for m in [mock_grant_permissions, mock_create_vhost,
mock_create_user, mock_set_ha_mode]:
self.assertTrue(m.called)
m.reset_mock()
# Check .get
with patch.object(store, 'get') as mock_get:
mock_get.return_value = d
rabbitmq_server_relations.configure_amqp('user_foo',
'vhost_blah', rid)
mock_set.assert_has_calls([call(key='amqp_config_tracker',
value=d)])
for m in [mock_grant_permissions, mock_create_vhost,
mock_create_user, mock_set_ha_mode]:
self.assertFalse(m.called)
# Check invalid relation id
self.assertRaises(Exception,
rabbitmq_server_relations.configure_amqp,
'user_foo', 'vhost_blah', None, admin=True)
# Test writing data
d = {}
for rid, user in [('amqp:1', 'userA'), ('amqp:2', 'userB')]:
rabbitmq_server_relations.configure_amqp(user,
'vhost_blah', rid)
d.update({rid: {"username": user, "vhost": "vhost_blah",
"ttl": None, "mirroring-queues": True}})
self.assertEqual(store.get('amqp_config_tracker'), d)
@rabbitmq_server_relations.validate_amqp_config_tracker
def fake_configure_amqp(*args, **kwargs):
return rabbitmq_server_relations.configure_amqp(*args,
**kwargs)
# Test invalidating data
mock_is_leader.return_value = False
d['amqp:2']['stale'] = True
for rid, user in [('amqp:1', 'userA'), ('amqp:3', 'userC')]:
fake_configure_amqp(user, 'vhost_blah', rid)
d[rid] = {"username": user, "vhost": "vhost_blah",
"ttl": None,
"mirroring-queues": True, 'stale': True}
# Since this is a dummy case we need to toggle the stale
# values.
del d[rid]['stale']
self.assertEqual(store.get('amqp_config_tracker'), d)
d[rid]['stale'] = True
mock_configure_notification_ttl.assert_not_called()
mock_configure_ttl.assert_not_called()
# Test openstack notification workaround
d = {}
for rid, user in [('amqp:1', 'userA')]:
rabbitmq_server_relations.configure_amqp(
user, 'openstack', rid, admin=False,
ttlname='heat_expiry',
ttlreg='heat-engine-listener|engine_worker', ttl=45000)
(mock_configure_notification_ttl.
assert_called_once_with('openstack', 450000))
(mock_configure_ttl.
assert_called_once_with(
'openstack', 'heat_expiry',
'heat-engine-listener|engine_worker', 45000))
finally:
if os.path.exists(tmpdir):
shutil.rmtree(tmpdir)
def is_device_in_ring(dev, skip_rel_check=False, ignore_deactivated=True):
"""Check if device has been added to the ring.
First check local KV store then check storage rel with proxy.
"""
d = os.path.dirname(KV_DB_PATH)
if not os.path.isdir(d):
mkdir(d)
log("Device '%s' does not appear to be in use by Swift" % (dev),
level=INFO)
return False
# First check local KV store
kvstore = KVStore(KV_DB_PATH)
devstore = devstore_safe_load(kvstore.get(key='devices'))
kvstore.close()
deactivated = []
if devstore:
blk_uuid = get_device_blkid("/dev/%s" % (dev))
env_uuid = os.environ['JUJU_ENV_UUID']
masterkey = "%s@%s" % (dev, env_uuid)
if (masterkey in devstore and
devstore[masterkey].get('blkid') == blk_uuid and
devstore[masterkey].get('status') == 'active'):
log("Device '%s' appears to be in use by Swift (found in local "
"devstore)" % (dev), level=INFO)
return True
for key, val in devstore.iteritems():
if key != masterkey and val.get('blkid') == blk_uuid:
log("Device '%s' appears to be in use by Swift (found in "
"local devstore) but has a different JUJU_ENV_UUID "
"(current=%s, expected=%s). "
"This could indicate that the device was added as part of "
"a previous deployment and will require manual removal or "
"updating if it needs to be reformatted."
% (dev, key, masterkey), level=INFO)
return True
if ignore_deactivated:
deactivated = [k == masterkey and v.get('blkid') == blk_uuid and
v.get('status') != 'active'
for k, v in devstore.iteritems()]
if skip_rel_check:
log("Device '%s' does not appear to be in use by swift (searched "
"local devstore only)" % (dev), level=INFO)
return False
# Then check swift-storage relation with proxy
for rid in relation_ids('swift-storage'):
devstore = relation_get(attribute='device', rid=rid, unit=local_unit())
if devstore and dev in devstore.split(':'):
if not ignore_deactivated or dev not in deactivated:
log("Device '%s' appears to be in use by swift (found on "
"proxy relation) but was not found in local devstore so "
"will be added to the cache" % (dev), level=INFO)
remember_devices([dev])
return True
log("Device '%s' does not appear to be in use by swift (searched local "
"devstore and proxy relation)" % (dev), level=INFO)
return False
def test_flush_and_close_on_closed(self):
kv = Storage(':memory:')
kv.close()
kv.flush(False)
kv.close()
def test_debug(self):
# pure coverage test...
io = StringIO()
kv = Storage(':memory:')
kv.debug(io)
def test_multi_value_set_skips(self):
# pure coverage test
kv = Storage(':memory:')
kv.set('x', 1)
self.assertEqual(kv.set('x', 1), 1)
def test_configure_amqp(self, mock_grant_permissions, mock_create_vhost,
mock_create_user, mock_get_rabbit_password,
mock_set_ha_mode, mock_is_leader):
mock_is_leader.return_value = True
tmpdir = tempfile.mkdtemp()
try:
db_path = '{}/kv.db'.format(tmpdir)
rid = 'amqp:1'
store = Storage(db_path)
with patch('charmhelpers.core.unitdata._KV', store):
# Check .set
with patch.object(store, 'set') as mock_set:
rabbitmq_server_relations.configure_amqp(
'user_foo', 'vhost_blah', rid)
d = {
rid: {
"username": "******",
"vhost": "vhost_blah",
"mirroring-queues": True
}
}
mock_set.assert_has_calls(
[call(key='amqp_config_tracker', value=d)])
for m in [
mock_grant_permissions, mock_create_vhost,
mock_create_user, mock_set_ha_mode
]:
self.assertTrue(m.called)
m.reset_mock()
# Check .get
with patch.object(store, 'get') as mock_get:
mock_get.return_value = d
rabbitmq_server_relations.configure_amqp(
'user_foo', 'vhost_blah', rid)
mock_set.assert_has_calls(
[call(key='amqp_config_tracker', value=d)])
for m in [
mock_grant_permissions, mock_create_vhost,
mock_create_user, mock_set_ha_mode
]:
self.assertFalse(m.called)
# Check invalid relation id
self.assertRaises(Exception,
rabbitmq_server_relations.configure_amqp,
'user_foo',
'vhost_blah',
None,
admin=True)
# Test writing data
d = {}
for rid, user in [('amqp:1', 'userA'), ('amqp:2', 'userB')]:
rabbitmq_server_relations.configure_amqp(
user, 'vhost_blah', rid)
d.update({
rid: {
"username": user,
"vhost": "vhost_blah",
"mirroring-queues": True
}
})
self.assertEqual(store.get('amqp_config_tracker'), d)
@rabbitmq_server_relations.validate_amqp_config_tracker
def fake_configure_amqp(*args, **kwargs):
return rabbitmq_server_relations.configure_amqp(
*args, **kwargs)
# Test invalidating data
mock_is_leader.return_value = False
d['amqp:2']['stale'] = True
for rid, user in [('amqp:1', 'userA'), ('amqp:3', 'userC')]:
fake_configure_amqp(user, 'vhost_blah', rid)
d[rid] = {
"username": user,
"vhost": "vhost_blah",
"mirroring-queues": True,
'stale': True
}
# Since this is a dummy case we need to toggle the stale
# values.
del d[rid]['stale']
self.assertEqual(store.get('amqp_config_tracker'), d)
d[rid]['stale'] = True
finally:
if os.path.exists(tmpdir):
shutil.rmtree(tmpdir)
def test_configure_amqp(self, mock_config,
mock_grant_permissions, mock_create_vhost,
mock_create_user, mock_get_rabbit_password,
mock_set_ha_mode, mock_is_leader,
mock_configure_notification_ttl):
config_data = {
'notification-ttl': 450000,
'mirroring-queues': True,
}
mock_is_leader.return_value = True
mock_config.side_effect = lambda attribute: config_data.get(attribute)
tmpdir = tempfile.mkdtemp()
try:
db_path = '{}/kv.db'.format(tmpdir)
rid = 'amqp:1'
store = Storage(db_path)
with patch('charmhelpers.core.unitdata._KV', store):
# Check .set
with patch.object(store, 'set') as mock_set:
rabbitmq_server_relations.configure_amqp('user_foo',
'vhost_blah', rid)
d = {rid: {"username": "******", "vhost": "vhost_blah",
"mirroring-queues": True}}
mock_set.assert_has_calls([call(key='amqp_config_tracker',
value=d)])
for m in [mock_grant_permissions, mock_create_vhost,
mock_create_user, mock_set_ha_mode]:
self.assertTrue(m.called)
m.reset_mock()
# Check .get
with patch.object(store, 'get') as mock_get:
mock_get.return_value = d
rabbitmq_server_relations.configure_amqp('user_foo',
'vhost_blah', rid)
mock_set.assert_has_calls([call(key='amqp_config_tracker',
value=d)])
for m in [mock_grant_permissions, mock_create_vhost,
mock_create_user, mock_set_ha_mode]:
self.assertFalse(m.called)
# Check invalid relation id
self.assertRaises(Exception,
rabbitmq_server_relations.configure_amqp,
'user_foo', 'vhost_blah', None, admin=True)
# Test writing data
d = {}
for rid, user in [('amqp:1', 'userA'), ('amqp:2', 'userB')]:
rabbitmq_server_relations.configure_amqp(user,
'vhost_blah', rid)
d.update({rid: {"username": user, "vhost": "vhost_blah",
"mirroring-queues": True}})
self.assertEqual(store.get('amqp_config_tracker'), d)
@rabbitmq_server_relations.validate_amqp_config_tracker
def fake_configure_amqp(*args, **kwargs):
return rabbitmq_server_relations.configure_amqp(*args,
**kwargs)
# Test invalidating data
mock_is_leader.return_value = False
d['amqp:2']['stale'] = True
for rid, user in [('amqp:1', 'userA'), ('amqp:3', 'userC')]:
fake_configure_amqp(user, 'vhost_blah', rid)
d[rid] = {"username": user, "vhost": "vhost_blah",
"mirroring-queues": True, 'stale': True}
# Since this is a dummy case we need to toggle the stale
# values.
del d[rid]['stale']
self.assertEqual(store.get('amqp_config_tracker'), d)
d[rid]['stale'] = True
mock_configure_notification_ttl.assert_not_called()
# Test openstack notification workaround
d = {}
for rid, user in [('amqp:1', 'userA')]:
rabbitmq_server_relations.configure_amqp(user,
'openstack', rid)
(mock_configure_notification_ttl.
assert_called_once_with('openstack', 450000))
finally:
if os.path.exists(tmpdir):
shutil.rmtree(tmpdir)
