def test_pre_op_expand_using_input(self, mock_load):
policy = zp.ZonePlacementPolicy('test-policy', self.spec)
zones = policy.zones
nc = mock.Mock()
nc.validate_azs.return_value = zones.keys()
policy._novaclient = nc
action = mock.Mock()
action.action = 'CLUSTER_SCALE_OUT'
action.context = self.context
action.data = {}
action.inputs = {'count': 7}
cluster = mock.Mock(user='******', project='project1')
current_dist = {'AZ1': 2, 'AZ2': 3, 'AZ3': 2, 'AZ4': 1}
cluster.get_zone_distribution.return_value = current_dist
mock_load.return_value = cluster
policy.pre_op('FAKE_CLUSTER', action)
self.assertEqual(7, action.data['creation']['count'])
dist = action.data['creation']['zones']
self.assertEqual(4, dist['AZ1'])
self.assertEqual(2, dist['AZ2'])
self.assertEqual(1, dist['AZ3'])
mock_load.assert_called_once_with(action.context, 'FAKE_CLUSTER')
nc.validate_azs.assert_called_once_with(zones.keys())
cluster.get_zone_distribution.assert_called_once_with(
action.context, zones.keys())
def test_pre_op_shrink_using_data(self, mock_load, mock_nova):
policy = zp.ZonePlacementPolicy('test-policy', self.spec)
zones = policy.zones
nc = mock.Mock()
nc.validate_azs.return_value = zones.keys()
mock_nova.return_value = nc
action = mock.Mock()
action.action = 'CLUSTER_SCALE_IN'
action.context = self.context
action.data = {'deletion': {'count': 2}}
action.inputs = {}
cluster = mock.Mock()
current_dist = {'AZ1': 2, 'AZ2': 2, 'AZ3': 2, 'AZ4': 1}
cluster.get_zone_distribution.return_value = current_dist
mock_load.return_value = cluster
policy.pre_op('FAKE_CLUSTER', action)
self.assertEqual(2, action.data['deletion']['count'])
dist = action.data['deletion']['zones']
self.assertEqual(1, dist['AZ3'])
self.assertEqual(1, dist['AZ4'])
mock_load.assert_called_once_with(action.context, 'FAKE_CLUSTER')
mock_nova.assert_called_once_with(cluster)
nc.validate_azs.assert_called_once_with(zones.keys())
cluster.get_zone_distribution.assert_called_once_with(
action.context, zones.keys())
def test__get_count_scale_in_with_no_data(self):
action = mock.Mock(action=consts.CLUSTER_SCALE_IN,
data={'deletion': {'num': 3}})
policy = zp.ZonePlacementPolicy('p1', self.spec)
res = policy._get_count('FOO', action)
self.assertEqual(-1, res)
def test_pre_op_no_feasible_plan(self, mock_load, mock_nova):
policy = zp.ZonePlacementPolicy('p1', self.spec)
zones = policy.zones
nc = mock.Mock()
nc.validate_azs.return_value = zones.keys()
mock_nova.return_value = nc
self.patchobject(policy, '_create_plan', return_value=None)
action = mock.Mock()
action.action = 'CLUSTER_SCALE_OUT'
action.context = self.context
action.inputs = {}
action.data = {'creation': {'count': 3}}
cluster = mock.Mock()
current_dist = {'R1': 0, 'R2': 0, 'R3': 0, 'R4': 0}
cluster.get_zone_distribution.return_value = current_dist
mock_load.return_value = cluster
res = policy.pre_op('FAKE_CLUSTER', action)
self.assertIsNone(res)
self.assertEqual('ERROR', action.data['status'])
self.assertEqual('There is no feasible plan to handle all nodes.',
action.data['reason'])
mock_load.assert_called_once_with(action.context, 'FAKE_CLUSTER')
nc.validate_azs.assert_called_once_with(zones.keys())
cluster.get_zone_distribution.assert_called_once_with(
action.context, zones.keys())
policy._create_plan.assert_called_once_with(current_dist, zones, 3,
True)
def test__get_count_scale_out_with_incorrect_inputs(self):
action = mock.Mock(action=consts.CLUSTER_SCALE_OUT, data={},
inputs={'num': 3})
policy = zp.ZonePlacementPolicy('p1', self.spec)
res = policy._get_count('FOO', action)
self.assertEqual(1, res)
def test__get_count_scale_out_with_data(self):
action = mock.Mock(action=consts.CLUSTER_SCALE_OUT,
data={'creation': {'count': 3}})
policy = zp.ZonePlacementPolicy('p1', self.spec)
res = policy._get_count('FOO', action)
self.assertEqual(3, res)
def test__get_count_resize_creation(self):
action = mock.Mock(action=consts.CLUSTER_RESIZE,
data={'creation': {'count': 3}})
policy = zp.ZonePlacementPolicy('p1', self.spec)
res = policy._get_count('FOO', action)
self.assertEqual(3, res)
def test_get_count_scale_in_with_inputs(self):
action = mock.Mock(action=consts.CLUSTER_SCALE_IN,
data={},
inputs={'count': 3})
policy = zp.ZonePlacementPolicy('p1', self.spec)
res = policy._get_count('FOO', action)
self.assertEqual(-3, res)
def test_policy_init(self):
policy = zp.ZonePlacementPolicy('test-policy', self.spec)
self.assertIsNone(policy.id)
self.assertEqual('test-policy', policy.name)
self.assertEqual('senlin.policy.zone_placement-1.0', policy.type)
expected = {'AZ1': 100, 'AZ2': 80, 'AZ3': 60, 'AZ4': 40}
self.assertEqual(expected, policy.zones)
def test_validate_no_validate_props(self, mock_base_validate):
policy = zp.ZonePlacementPolicy('test-policy', self.spec)
ctx = mock.Mock(user='******', project='P1')
res = policy.validate(ctx, False)
self.assertTrue(res)
mock_base_validate.assert_called_once_with(ctx, False)
def test_get_count_node_create_without_zone(self):
x_profile = mock.Mock(AVAILABILITY_ZONE='availability_zone',
properties={'availability_zone': None})
x_node = mock.Mock(rt={'profile': x_profile})
action = mock.Mock(action=consts.NODE_CREATE, entity=x_node)
policy = zp.ZonePlacementPolicy('p1', self.spec)
res = policy._get_count('FOO', action)
self.assertEqual(1, res)
def test__create_plan_default(self):
self.spec['properties']['zones'] = [
{'name': 'AZ1'}, {'name': 'AZ2'}, {'name': 'AZ3'}, {'name': 'AZ4'}
]
policy = zp.ZonePlacementPolicy('test-policy', self.spec)
zones = policy.zones
current = {'AZ1': 2, 'AZ2': 2, 'AZ3': 2, 'AZ4': 1}
plan = policy._create_plan(current, zones, 5, True)
answer = {'AZ1': 1, 'AZ2': 1, 'AZ3': 1, 'AZ4': 2}
self.assertEqual(answer, plan)
def test__get_count_resize_parse_error(self, mock_cluster, mock_parse):
x_cluster = mock.Mock()
mock_cluster.return_value = x_cluster
mock_parse.return_value = (policy_base.CHECK_ERROR, 'Something wrong.')
action = mock.Mock(action=consts.CLUSTER_RESIZE, data={})
policy = zp.ZonePlacementPolicy('p1', self.spec)
res = policy._get_count('FOO', action)
self.assertEqual(0, res)
self.assertEqual(policy_base.CHECK_ERROR, action.data['status'])
self.assertEqual('Something wrong.', action.data['reason'])
def test_validate_okay(self, mock_base_validate):
policy = zp.ZonePlacementPolicy('test-policy', self.spec)
nc = mock.Mock()
nc.validate_azs.return_value = ['AZ1', 'AZ2', 'AZ3', 'AZ4']
policy._novaclient = nc
ctx = mock.Mock(user='******', project='P1')
res = policy.validate(ctx, True)
self.assertTrue(res)
mock_base_validate.assert_called_once_with(ctx, True)
nc.validate_azs.assert_called_once_with(['AZ1', 'AZ2', 'AZ3', 'AZ4'])
def test__get_count_resize_parse_deletion(self, mock_cluster, mock_parse):
def fake_parse(action, cluster):
action.data = {'deletion': {'count': 3}}
return policy_base.CHECK_OK, ''
x_cluster = mock.Mock()
mock_cluster.return_value = x_cluster
mock_parse.side_effect = fake_parse
action = mock.Mock(action=consts.CLUSTER_RESIZE, data={})
policy = zp.ZonePlacementPolicy('p1', self.spec)
res = policy._get_count('FOO', action)
self.assertEqual(-3, res)
def test_validate_az_not_found(self, mock_base_validate):
policy = zp.ZonePlacementPolicy('test-policy', self.spec)
nc = mock.Mock()
nc.validate_azs.return_value = ['AZ1', 'AZ4']
policy._novaclient = nc
ctx = mock.Mock(user='******', project='P1')
ex = self.assertRaises(exc.InvalidSpec, policy.validate, ctx, True)
mock_base_validate.assert_called_once_with(ctx, True)
nc.validate_azs.assert_called_once_with(['AZ1', 'AZ2', 'AZ3', 'AZ4'])
self.assertEqual(
"The specified name '['AZ2', 'AZ3']' "
"could not be found.", six.text_type(ex))
def test__nova(self, mock_driver, mock_conn):
params = mock.Mock()
mock_conn.return_value = params
nc = mock.Mock()
driver = mock.Mock()
driver.compute.return_value = nc
mock_driver.return_value = driver
cluster = mock.Mock()
policy = zp.ZonePlacementPolicy('p1', self.spec)
res = policy._nova(cluster)
self.assertEqual(nc, res)
self.assertEqual(nc, policy._novaclient)
mock_conn.assert_called_once_with(cluster)
mock_driver.assert_called_once_with()
driver.compute.assert_called_once_with(params)
def test_pre_op_no_zones(self, mock_load):
policy = zp.ZonePlacementPolicy('p1', self.spec)
nc = mock.Mock()
nc.validate_azs.return_value = []
policy._novaclient = nc
action = mock.Mock(action=consts.CLUSTER_SCALE_OUT,
context=self.context,
data={'creation': {'count': 3}})
cluster = mock.Mock()
mock_load.return_value = cluster
res = policy.pre_op('FAKE_CLUSTER', action)
self.assertIsNone(res)
self.assertEqual('ERROR', action.data['status'])
self.assertEqual('No availability zone found available.',
action.data['reason'])
def test_get_count_resize_parse_creation(self, mock_cluster, mock_parse,
mock_count):
def fake_parse(action, cluster, current):
action.data = {'creation': {'count': 3}}
return policy_base.CHECK_OK, ''
x_cluster = mock.Mock()
mock_cluster.return_value = x_cluster
mock_parse.side_effect = fake_parse
mock_count.return_value = 3
action = mock.Mock(action=consts.CLUSTER_RESIZE, data={})
policy = zp.ZonePlacementPolicy('p1', self.spec)
res = policy._get_count('FOO', action)
self.assertEqual(3, res)
mock_cluster.assert_called_once_with(action.context, 'FOO')
mock_count.assert_called_once_with(action.context, 'FOO')
mock_parse.assert_called_once_with(action, x_cluster, 3)
def test__create_plan(self):
policy = zp.ZonePlacementPolicy('test-policy', self.spec)
zones = policy.zones
current = {'AZ1': 2, 'AZ2': 2, 'AZ3': 2, 'AZ4': 1}
plan = policy._create_plan(current, zones, 7, True)
answer = {'AZ1': 3, 'AZ2': 2, 'AZ3': 1, 'AZ4': 1}
self.assertEqual(answer, plan)
current = {'AZ1': 2, 'AZ2': 4, 'AZ3': 2, 'AZ4': 2}
plan = policy._create_plan(current, zones, 6, True)
answer = {'AZ1': 4, 'AZ2': 1, 'AZ3': 1}
self.assertEqual(answer, plan)
current = {'AZ1': 4, 'AZ2': 5, 'AZ3': 1, 'AZ4': 1}
plan = policy._create_plan(current, zones, 3, False)
answer = {'AZ2': 3}
self.assertEqual(answer, plan)
current = {'AZ1': 6, 'AZ2': 2, 'AZ3': 4, 'AZ4': 6}
plan = policy._create_plan(current, zones, 4, False)
answer = {'AZ4': 4}
self.assertEqual(answer, plan)