def test_calculate_desired_percentage_negative(self):
# CHANGE_IN_PERCENTAGE, negative
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, -10, None)
self.assertEqual(9, res)
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, -15, None)
self.assertEqual(9, res)
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, -22, None)
self.assertEqual(8, res)
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, -1, None)
self.assertEqual(9, res)
def test_calculate_desired_percentage_negative(self):
# CHANGE_IN_PERCENTAGE, negative
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, -10, None)
self.assertEqual(9, res)
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, -15, None)
self.assertEqual(9, res)
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, -22, None)
self.assertEqual(8, res)
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, -1, None)
self.assertEqual(9, res)
def test_calculate_desired_percentage_positive(self):
# CHANGE_IN_PERCENTAGE, positive
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, 10, None)
self.assertEqual(11, res)
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, 15, None)
self.assertEqual(11, res)
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, 22, None)
self.assertEqual(12, res)
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, 1, None)
self.assertEqual(11, res)
def test_calculate_desired_percentage_positive(self):
# CHANGE_IN_PERCENTAGE, positive
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, 10, None)
self.assertEqual(11, res)
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, 15, None)
self.assertEqual(11, res)
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, 22, None)
self.assertEqual(12, res)
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, 1, None)
self.assertEqual(11, res)
def do_resize(self):
adj_type = self.inputs.get(consts.ADJUSTMENT_TYPE, None)
number = self.inputs.get(consts.ADJUSTMENT_NUMBER, None)
min_size = self.inputs.get(consts.ADJUSTMENT_MIN_SIZE, None)
max_size = self.inputs.get(consts.ADJUSTMENT_MAX_SIZE, None)
min_step = self.inputs.get(consts.ADJUSTMENT_MIN_STEP, None)
strict = self.inputs.get(consts.ADJUSTMENT_STRICT, False)
desired = self.cluster.desired_capacity
if adj_type is not None:
# number must be not None according to previous tests
desired = scaleutils.calculate_desired(
desired, adj_type, number, min_step)
# truncate adjustment if permitted (strict==False)
if strict is False:
desired = scaleutils.truncate_desired(
self.cluster, desired, min_size, max_size)
# check provided params against current properties
# desired is checked when strict is True
result = scaleutils.check_size_params(self.cluster, desired, min_size,
max_size, strict)
if result != '':
return self.RES_ERROR, result
# save sanitized properties
self._update_cluster_properties(desired, min_size, max_size)
node_list = self.cluster.nodes
current_size = len(node_list)
# delete nodes if necessary
if desired < current_size:
adjustment = current_size - desired
if 'deletion' not in self.data:
self.data['deletion'] = {'count': adjustment}
candidates = []
# Choose victims randomly
i = adjustment
while i > 0:
r = random.randrange(len(node_list))
candidates.append(node_list[r].id)
node_list.remove(node_list[r])
i = i - 1
result, reason = self._delete_nodes(candidates)
if result != self.RES_OK:
return result, reason
# Create new nodes if desired_capacity increased
if desired > current_size:
delta = desired - current_size
self.data['creation'] = {'count': delta}
result, reason = self._create_nodes(delta)
if result != self.RES_OK:
return result, reason
reason = _('Cluster resize succeeded.')
self.cluster.set_status(self.context, self.cluster.ACTIVE, reason)
return self.RES_OK, reason
def test_calculate_desired_capacity(self):
# CHANGE_IN_CAPACITY
for i in range(10):
current = self.getUniqueInteger()
for j in range(10):
number = self.getUniqueInteger()
res = su.calculate_desired(current, consts.CHANGE_IN_CAPACITY,
number, None)
self.assertEqual(current + number, res)
def test_calculate_desired_capacity(self):
# CHANGE_IN_CAPACITY
for i in range(10):
current = self.getUniqueInteger()
for j in range(10):
number = self.getUniqueInteger()
res = su.calculate_desired(current, consts.CHANGE_IN_CAPACITY,
number, None)
self.assertEqual(current+number, res)
def test_calculate_desired_percentage_with_min_step(self):
# CHANGE_IN_PERCENTAGE, with min_step 0
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, 10, 0)
self.assertEqual(11, res)
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, -10, 0)
self.assertEqual(9, res)
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, 1, 0)
self.assertEqual(11, res)
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, -1, 0)
self.assertEqual(9, res)
# CHANGE_IN_PERCENTAGE, with min_step 1
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, 10, 1)
self.assertEqual(11, res)
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, -10, 1)
self.assertEqual(9, res)
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, 1, 1)
self.assertEqual(11, res)
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, -1, 1)
self.assertEqual(9, res)
# CHANGE_IN_PERCENTAGE, with min_step 2
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, 10, 2)
self.assertEqual(12, res)
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, -10, 2)
self.assertEqual(8, res)
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, 1, 2)
self.assertEqual(12, res)
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, -1, 2)
self.assertEqual(8, res)
def test_calculate_desired_exact(self):
# EXACT_CAPACITY
for i in range(10):
desired = self.getUniqueInteger()
res = su.calculate_desired(0, consts.EXACT_CAPACITY, desired, None)
self.assertEqual(desired, res)
def test_calculate_desired_percentage_with_min_step(self):
# CHANGE_IN_PERCENTAGE, with min_step 0
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, 10, 0)
self.assertEqual(11, res)
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, -10, 0)
self.assertEqual(9, res)
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, 1, 0)
self.assertEqual(11, res)
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, -1, 0)
self.assertEqual(9, res)
# CHANGE_IN_PERCENTAGE, with min_step 1
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, 10, 1)
self.assertEqual(11, res)
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, -10, 1)
self.assertEqual(9, res)
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, 1, 1)
self.assertEqual(11, res)
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, -1, 1)
self.assertEqual(9, res)
# CHANGE_IN_PERCENTAGE, with min_step 2
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, 10, 2)
self.assertEqual(12, res)
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, -10, 2)
self.assertEqual(8, res)
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, 1, 2)
self.assertEqual(12, res)
res = su.calculate_desired(10, consts.CHANGE_IN_PERCENTAGE, -1, 2)
self.assertEqual(8, res)
def test_calculate_desired_exact(self):
# EXACT_CAPACITY
for i in range(10):
desired = self.getUniqueInteger()
res = su.calculate_desired(0, consts.EXACT_CAPACITY, desired, None)
self.assertEqual(desired, res)
