def test_scaling_meta_update(self):
"""Use heatclient to signal the up and down policy.
Then confirm that the metadata in the custom_lb is updated each
time.
"""
stack_identifier = self.stack_create(template=self.template,
files=self.files,
environment=self.env)
self.assertTrue(test.call_until_true(
self.build_timeout, self.build_interval,
self.check_instance_count, stack_identifier, 2))
nested_ident = self.assert_resource_is_a_stack(stack_identifier,
'JobServerGroup')
# Scale up one, Trigger alarm
self.client.resources.signal(stack_identifier, 'ScaleUpPolicy')
self._wait_for_stack_status(nested_ident, 'UPDATE_COMPLETE')
self.assertTrue(test.call_until_true(
self.build_timeout, self.build_interval,
self.check_instance_count, stack_identifier, 3))
# Scale down two, Trigger alarm
self.client.resources.signal(stack_identifier, 'ScaleDownPolicy')
self._wait_for_stack_status(nested_ident, 'UPDATE_COMPLETE')
self.assertTrue(test.call_until_true(
self.build_timeout, self.build_interval,
self.check_instance_count, stack_identifier, 1))
def publish_template(self, name, contents):
oc = self.object_client
# post the object
oc.put_object(self.object_container_name, name, contents)
# TODO(asalkeld) see if this is causing problems.
# self.addCleanup(self.object_client.delete_object,
# self.object_container_name, name)
# make the tempurl
key_header = 'x-account-meta-temp-url-key'
if key_header not in oc.head_account():
swift_key = hashlib.sha224(
str(random.getrandbits(256))).hexdigest()[:32]
LOG.warn('setting swift key to %s' % swift_key)
oc.post_account({key_header: swift_key})
key = oc.head_account()[key_header]
path = '/v1/AUTH_%s/%s/%s' % (self.project_id,
self.object_container_name, name)
timeout = self.conf.build_timeout * 10
tempurl = swiftclient_utils.generate_temp_url(path, timeout,
key, 'GET')
sw_url = parse.urlparse(oc.url)
full_url = '%s://%s%s' % (sw_url.scheme, sw_url.netloc, tempurl)
def download():
r = requests.get(full_url)
LOG.info('GET: %s -> %s' % (full_url, r.status_code))
return r.status_code == requests.codes.ok
# make sure that the object is available.
test.call_until_true(self.conf.build_timeout,
self.conf.build_interval, download)
return full_url
def test_autoscaling_loadbalancer_neutron(self):
"""Check work of AutoScaing and Neutron LBaaS v1 resource in Heat.
The scenario is the following:
1. Launch a stack with a load balancer and autoscaling group
of one server, wait until stack create is complete.
2. Check that there is only one distinctive response from
loadbalanced IP.
3. Signal the scale_up policy, wait until all resources in
autoscaling group are complete.
4. Check that now there are two distinctive responses from
loadbalanced IP.
"""
parameters = {
'flavor': self.conf.minimal_instance_type,
'image': self.conf.minimal_image_ref,
'net': self.conf.fixed_network_name,
'subnet': self.conf.fixed_subnet_name,
'public_net': self.conf.floating_network_name,
'app_port': 8080,
'lb_port': 80,
'timeout': 600
}
app_server_template = self._load_template(
__file__, self.app_server_template_name, self.sub_dir
)
webapp_template = self._load_template(
__file__, self.webapp_template_name, self.sub_dir
)
files = {'appserver.yaml': app_server_template,
'webapp.yaml': webapp_template}
env = {'resource_registry':
{'OS::Test::NeutronAppServer': 'appserver.yaml',
'OS::Test::WebAppConfig': 'webapp.yaml'}}
# Launch stack
sid = self.launch_stack(
template_name=self.template_name,
parameters=parameters,
files=files,
environment=env
)
stack = self.client.stacks.get(sid)
lb_url = self._stack_output(stack, 'lburl')
# Check number of distinctive responces, must be 1
self.check_num_responses(lb_url, 1)
# Signal the scaling hook
self.client.resources.signal(sid, 'scale_up')
# Wait for AutoScalingGroup update to finish
asg = self.client.resources.get(sid, 'asg')
test.call_until_true(self.conf.build_timeout,
self.conf.build_interval,
self.check_autoscale_complete,
asg.physical_resource_id, 2)
# Check number of distinctive responses, must now be 2
self.check_num_responses(lb_url, 2)
def test_autoscaling_loadbalancer_neutron(self):
"""Check work of AutoScaing and Neutron LBaaS v1 resource in Heat.
The scenario is the following:
1. Launch a stack with a load balancer and autoscaling group
of one server, wait until stack create is complete.
2. Check that there is only one distinctive response from
loadbalanced IP.
3. Signal the scale_up policy, wait until all resources in
autoscaling group are complete.
4. Check that now there are two distinctive responses from
loadbalanced IP.
"""
parameters = {
'flavor': self.conf.minimal_instance_type,
'image': self.conf.minimal_image_ref,
'net': self.conf.fixed_network_name,
'subnet': self.conf.fixed_subnet_name,
'public_net': self.conf.floating_network_name,
'app_port': 8080,
'lb_port': 80,
'timeout': 600
}
app_server_template = self._load_template(
__file__, self.app_server_template_name, self.sub_dir
)
webapp_template = self._load_template(
__file__, self.webapp_template_name, self.sub_dir
)
files = {'appserver.yaml': app_server_template,
'webapp.yaml': webapp_template}
env = {'resource_registry':
{'OS::Test::NeutronAppServer': 'appserver.yaml',
'OS::Test::WebAppConfig': 'webapp.yaml'}}
# Launch stack
sid = self.launch_stack(
template_name=self.template_name,
parameters=parameters,
files=files,
environment=env
)
stack = self.client.stacks.get(sid)
lb_url = self._stack_output(stack, 'lburl')
# Check number of distinctive responces, must be 1
self.check_num_responses(lb_url, 1)
# Signal the scaling hook
self.client.resources.signal(sid, 'scale_up')
# Wait for AutoScalingGroup update to finish
asg = self.client.resources.get(sid, 'asg')
test.call_until_true(self.conf.build_timeout,
self.conf.build_interval,
self.autoscale_complete,
asg.physical_resource_id, 2)
# Check number of distinctive responses, must now be 2
self.check_num_responses(lb_url, 2)
def test_asg_notifications(self):
stack_identifier = self.stack_create(template=self.asg_template)
for output in self.client.stacks.get(stack_identifier).outputs:
if output['output_key'] == 'scale_dn_url':
scale_down_url = output['output_value']
else:
scale_up_url = output['output_value']
notifications = []
handler = NotificationHandler(stack_identifier.split('/')[0],
ASG_NOTIFICATIONS)
with self.conn.Consumer(self.queue,
callbacks=[handler.process_message],
auto_declare=False):
requests.post(scale_up_url, verify=self.verify_cert)
test.call_until_true(20, 0, self.consume_events, handler, 2)
notifications += handler.notifications
handler.clear()
requests.post(scale_down_url, verify=self.verify_cert)
test.call_until_true(20, 0, self.consume_events, handler, 2)
notifications += handler.notifications
self.assertEqual(2, notifications.count(ASG_NOTIFICATIONS[0]))
self.assertEqual(2, notifications.count(ASG_NOTIFICATIONS[1]))
def test_signal_during_suspend(self):
"""Prove that a signal will fail when the stack is in suspend."""
stack_identifier = self.stack_create(template=self.template,
files=self.files,
environment=self.env)
self.assertTrue(test.call_until_true(
self.build_timeout, self.build_interval,
self.check_instance_count, stack_identifier, 2))
nested_ident = self.assert_resource_is_a_stack(stack_identifier,
'JobServerGroup')
# suspend the top level stack.
self.client.actions.suspend(stack_id=stack_identifier)
self._wait_for_resource_status(
stack_identifier, 'JobServerGroup', 'SUSPEND_COMPLETE')
# Send a signal and confirm nothing happened.
self.client.resources.signal(stack_identifier, 'ScaleUpPolicy')
ev = self.wait_for_event_with_reason(
stack_identifier,
reason='Cannot signal resource during SUSPEND',
rsrc_name='ScaleUpPolicy')
self.assertEqual('SUSPEND_COMPLETE', ev[0].resource_status)
# still SUSPEND_COMPLETE (not gone to UPDATE_COMPLETE)
self._wait_for_stack_status(nested_ident, 'SUSPEND_COMPLETE')
self._wait_for_stack_status(stack_identifier, 'SUSPEND_COMPLETE')
# still 2 instances.
self.assertTrue(test.call_until_true(
self.build_timeout, self.build_interval,
self.check_instance_count, stack_identifier, 2))
def publish_template(self, name, contents):
oc = self.object_client
# post the object
oc.put_object(self.object_container_name, name, contents)
# TODO(asalkeld) see if this is causing problems.
# self.addCleanup(self.object_client.delete_object,
# self.object_container_name, name)
# make the tempurl
key_header = 'x-account-meta-temp-url-key'
if key_header not in oc.head_account():
swift_key = hashlib.sha224(str(
random.getrandbits(256))).hexdigest()[:32]
LOG.warn('setting swift key to %s' % swift_key)
oc.post_account({key_header: swift_key})
key = oc.head_account()[key_header]
path = '/v1/AUTH_%s/%s/%s' % (self.project_id,
self.object_container_name, name)
timeout = self.conf.build_timeout * 10
tempurl = swiftclient_utils.generate_temp_url(path, timeout, key,
'GET')
sw_url = parse.urlparse(oc.url)
full_url = '%s://%s%s' % (sw_url.scheme, sw_url.netloc, tempurl)
def download():
r = requests.get(full_url)
LOG.info('GET: %s -> %s' % (full_url, r.status_code))
return r.status_code == requests.codes.ok
# make sure that the object is available.
test.call_until_true(self.conf.build_timeout, self.conf.build_interval,
download)
return full_url
def test_asg_notifications(self):
stack_identifier = self.stack_create(template=self.asg_template)
for output in self.client.stacks.get(stack_identifier).outputs:
if output['output_key'] == 'scale_dn_url':
scale_down_url = output['output_value']
else:
scale_up_url = output['output_value']
notifications = []
handler = NotificationHandler(
stack_identifier.split('/')[0], ASG_NOTIFICATIONS)
with self.conn.Consumer(self.queue,
callbacks=[handler.process_message],
auto_declare=False):
requests.post(scale_up_url, verify=self.verify_cert)
self.assertTrue(
test.call_until_true(20, 0, self.consume_events, handler, 2))
notifications += handler.notifications
handler.clear()
requests.post(scale_down_url, verify=self.verify_cert)
self.assertTrue(
test.call_until_true(20, 0, self.consume_events, handler, 2))
notifications += handler.notifications
self.assertEqual(2, notifications.count(ASG_NOTIFICATIONS[0]))
self.assertEqual(2, notifications.count(ASG_NOTIFICATIONS[1]))
def test_scaling_meta_update(self):
"""Use heatclient to signal the up and down policy.
Then confirm that the metadata in the custom_lb is updated each
time.
"""
stack_identifier = self.stack_create(template=self.template,
files=self.files,
environment=self.env)
self.assertTrue(
test.call_until_true(self.build_timeout, self.build_interval,
self.check_instance_count, stack_identifier,
2))
nested_ident = self.assert_resource_is_a_stack(stack_identifier,
'JobServerGroup')
# Scale up one, Trigger alarm
self.client.resources.signal(stack_identifier, 'ScaleUpPolicy')
self._wait_for_stack_status(nested_ident, 'UPDATE_COMPLETE')
self.assertTrue(
test.call_until_true(self.build_timeout, self.build_interval,
self.check_instance_count, stack_identifier,
3))
# Scale down two, Trigger alarm
self.client.resources.signal(stack_identifier, 'ScaleDownPolicy')
self._wait_for_stack_status(nested_ident, 'UPDATE_COMPLETE')
self.assertTrue(
test.call_until_true(self.build_timeout, self.build_interval,
self.check_instance_count, stack_identifier,
1))
def test_signal_during_suspend(self):
"""Prove that a signal will fail when the stack is in suspend."""
stack_identifier = self.stack_create(template=self.template,
files=self.files,
environment=self.env)
self.assertTrue(test.call_until_true(
self.build_timeout, self.build_interval,
self.check_instance_count, stack_identifier, 2))
nested_ident = self.assert_resource_is_a_stack(stack_identifier,
'JobServerGroup')
# suspend the top level stack.
self.client.actions.suspend(stack_id=stack_identifier)
self._wait_for_resource_status(
stack_identifier, 'JobServerGroup', 'SUSPEND_COMPLETE')
# Send a signal and confirm nothing happened.
self.client.resources.signal(stack_identifier, 'ScaleUpPolicy')
ev = self.wait_for_event_with_reason(
stack_identifier,
reason='Cannot signal resource during SUSPEND',
rsrc_name='ScaleUpPolicy')
self.assertEqual('SUSPEND_COMPLETE', ev[0].resource_status)
# still SUSPEND_COMPLETE (not gone to UPDATE_COMPLETE)
self._wait_for_stack_status(nested_ident, 'SUSPEND_COMPLETE')
self._wait_for_stack_status(stack_identifier, 'SUSPEND_COMPLETE')
# still 2 instances.
self.assertTrue(test.call_until_true(
self.build_timeout, self.build_interval,
self.check_instance_count, stack_identifier, 2))
def test_stack_update_with_conditions(self):
"""Update manages new conditions added.
When a new resource is added during updates, the stacks handles the new
conditions correctly, and doesn't fail to load them while the update is
still in progress.
"""
stack_identifier = self.stack_create(
template=test_template_one_resource)
updated_template = copy.deepcopy(test_template_two_resource)
updated_template['conditions'] = {'cond1': True}
updated_template['resources']['test3'] = {
'type': 'OS::Heat::TestResource',
'properties': {
'value': {
'if': ['cond1', 'val3', 'val4']
}
}
}
test2_props = updated_template['resources']['test2']['properties']
test2_props['action_wait_secs'] = {'create': 30}
self.update_stack(stack_identifier,
template=updated_template,
expected_status='UPDATE_IN_PROGRESS')
def check_resources():
resources = self.list_resources(stack_identifier)
if len(resources) < 2:
return False
self.assertIn('test3', resources)
return True
self.assertTrue(test.call_until_true(20, 2, check_resources))
def test_alarm(self):
"""Confirm we can create an alarm and trigger it."""
# create metric
metric = self.metric_client.metric.create({
'name':
'my_metric',
'archive_policy_name':
'high',
})
# create the stack
parameters = {'metric_id': metric['id']}
stack_identifier = self.stack_create(template=self.template,
parameters=parameters)
measures = [{
'timestamp': timeutils.isotime(datetime.datetime.now()),
'value': 100
}, {
'timestamp':
timeutils.isotime(datetime.datetime.now() +
datetime.timedelta(minutes=1)),
'value':
100
}]
# send measures(should cause the alarm to fire)
self.metric_client.metric.add_measures(metric['id'], measures)
# confirm we get a scaleup.
# Note: there is little point waiting more than 60s+time to scale up.
self.assertTrue(
test.call_until_true(120, 2, self.check_instance_count,
stack_identifier, 2))
# cleanup metric
self.metric_client.metric.delete(metric['id'])
def _test_conditional(self, test3_resource):
"""Update manages new conditions added.
When a new resource is added during updates, the stacks handles the new
conditions correctly, and doesn't fail to load them while the update is
still in progress.
"""
stack_identifier = self.stack_create(
template=test_template_one_resource)
updated_template = copy.deepcopy(test_template_two_resource)
updated_template['conditions'] = {'cond1': True}
updated_template['resources']['test3'] = test3_resource
test2_props = updated_template['resources']['test2']['properties']
test2_props['action_wait_secs'] = {'create': 30}
self.update_stack(stack_identifier,
template=updated_template,
expected_status='UPDATE_IN_PROGRESS')
def check_resources():
def is_complete(r):
return r.resource_status in {'CREATE_COMPLETE',
'UPDATE_COMPLETE'}
resources = self.list_resources(stack_identifier, is_complete)
if len(resources) < 2:
return False
self.assertIn('test3', resources)
return True
self.assertTrue(test.call_until_true(20, 2, check_resources))
def test_alarm(self):
"""Confirm we can create an alarm and trigger it."""
# create metric
metric = self.metric_client.metric.create({
'name': 'my_metric',
'archive_policy_name': 'high',
})
# create the stack
parameters = {'metric_id': metric['id']}
stack_identifier = self.stack_create(template=self.template,
parameters=parameters)
measures = [{'timestamp': timeutils.isotime(datetime.datetime.now()),
'value': 100}, {'timestamp': timeutils.isotime(
datetime.datetime.now() + datetime.timedelta(
minutes=1)), 'value': 100}]
# send measures(should cause the alarm to fire)
self.metric_client.metric.add_measures(metric['id'], measures)
# confirm we get a scaleup.
# Note: there is little point waiting more than 60s+time to scale up.
self.assertTrue(test.call_until_true(
120, 2, self.check_instance_count, stack_identifier, 2))
# cleanup metric
self.metric_client.metric.delete(metric['id'])
def _test_conditional(self, test3_resource):
"""Update manages new conditions added.
When a new resource is added during updates, the stacks handles the new
conditions correctly, and doesn't fail to load them while the update is
still in progress.
"""
stack_identifier = self.stack_create(
template=test_template_one_resource)
updated_template = copy.deepcopy(test_template_two_resource)
updated_template['conditions'] = {'cond1': True}
updated_template['resources']['test3'] = test3_resource
test2_props = updated_template['resources']['test2']['properties']
test2_props['action_wait_secs'] = {'create': 30}
self.update_stack(stack_identifier,
template=updated_template,
expected_status='UPDATE_IN_PROGRESS')
def check_resources():
def is_complete(r):
return r.resource_status in {
'CREATE_COMPLETE', 'UPDATE_COMPLETE'
}
resources = self.list_resources(stack_identifier, is_complete)
if len(resources) < 2:
return False
self.assertIn('test3', resources)
return True
self.assertTrue(test.call_until_true(20, 2, check_resources))
def test_asg_cooldown(self):
cooldown_tmpl = self.template.replace('cooldown: 0', 'cooldown: 10')
stack_id = self.stack_create(template=cooldown_tmpl,
expected_status='CREATE_COMPLETE')
stack = self.client.stacks.get(stack_id)
asg_size = self._stack_output(stack, 'asg_size')
# Ensure that initial desired capacity is met
self.assertEqual(3, asg_size)
# send scale up signal.
# Since cooldown is in effect, number of resources should not change
asg = self.client.resources.get(stack_id, 'random_group')
expected_resources = 3
self.client.resources.signal(stack_id, 'scale_up_policy')
test.call_until_true(self.conf.build_timeout, self.conf.build_interval,
self.check_autoscale_complete,
asg.physical_resource_id, expected_resources)
def test_cancel_update_without_rollback(self):
stack_id = self._test_cancel_update(rollback=False,
expected_status='UPDATE_FAILED')
self.assertTrue(
test.call_until_true(60, 2, self.verify_resource_status, stack_id,
'test1', 'UPDATE_COMPLETE'))
eventlet.sleep(2)
self.assertTrue(
self.verify_resource_status(stack_id, 'test2', 'CREATE_COMPLETE'))
def test_asg_scale_down_min_size(self):
stack_id = self.stack_create(template=self.template,
expected_status='CREATE_COMPLETE')
stack = self.client.stacks.get(stack_id)
asg_size = self._stack_output(stack, 'asg_size')
# Ensure that initial desired capacity is met
self.assertEqual(3, asg_size)
# send scale down signals and ensure that asg honors min_size
asg = self.client.resources.get(stack_id, 'random_group')
min_size = 2
for num in range(asg_size-1, 0, -1):
expected_resources = num if num >= min_size else min_size
self.client.resources.signal(stack_id, 'scale_down_policy')
test.call_until_true(self.conf.build_timeout,
self.conf.build_interval,
self.check_autoscale_complete,
asg.physical_resource_id, expected_resources)
def test_cancel_update_without_rollback(self):
stack_id = self._test_cancel_update(rollback=False,
expected_status='UPDATE_FAILED')
self.assertTrue(test.call_until_true(
60, 2, self.verify_resource_status,
stack_id, 'test1', 'UPDATE_COMPLETE'))
eventlet.sleep(2)
self.assertTrue(self.verify_resource_status(stack_id, 'test2',
'CREATE_COMPLETE'))
def test_asg_scale_down_min_size(self):
stack_id = self.stack_create(template=self.template,
expected_status='CREATE_COMPLETE')
stack = self.client.stacks.get(stack_id)
asg_size = self._stack_output(stack, 'asg_size')
# Ensure that initial desired capacity is met
self.assertEqual(3, asg_size)
# send scale down signals and ensure that asg honors min_size
asg = self.client.resources.get(stack_id, 'random_group')
min_size = 2
for num in range(asg_size - 1, 0, -1):
expected_resources = num if num >= min_size else min_size
self.client.resources.signal(stack_id, 'scale_down_policy')
test.call_until_true(self.conf.build_timeout,
self.conf.build_interval,
self.check_autoscale_complete,
asg.physical_resource_id, expected_resources)
def test_asg_cooldown(self):
cooldown_tmpl = self.template.replace('cooldown: 0',
'cooldown: 10')
stack_id = self.stack_create(template=cooldown_tmpl,
expected_status='CREATE_COMPLETE')
stack = self.client.stacks.get(stack_id)
asg_size = self._stack_output(stack, 'asg_size')
# Ensure that initial desired capacity is met
self.assertEqual(3, asg_size)
# send scale up signal.
# Since cooldown is in effect, number of resources should not change
asg = self.client.resources.get(stack_id, 'random_group')
expected_resources = 3
self.client.resources.signal(stack_id, 'scale_up_policy')
test.call_until_true(self.conf.build_timeout,
self.conf.build_interval,
self.check_autoscale_complete,
asg.physical_resource_id, expected_resources)
def test_signal_during_suspend(self):
"""Prove that a signal will fail when the stack is in suspend."""
stack_identifier = self.stack_create(template=self.template,
files=self.files,
environment=self.env)
self.assertTrue(
test.call_until_true(self.build_timeout, self.build_interval,
self.check_instance_count, stack_identifier,
2))
nested_ident = self.assert_resource_is_a_stack(stack_identifier,
'JobServerGroup')
# suspend the top level stack.
self.client.actions.suspend(stack_id=stack_identifier)
# Wait for stack to reach SUSPEND_COMPLETE
self._wait_for_stack_status(stack_identifier, 'SUSPEND_COMPLETE')
# Send a signal and an exception will raise
ex = self.assertRaises(exc.BadRequest, self.client.resources.signal,
stack_identifier, 'ScaleUpPolicy')
error_msg = 'Signal resource during SUSPEND is not supported'
self.assertIn(error_msg, six.text_type(ex))
ev = self.wait_for_event_with_reason(
stack_identifier,
reason='Cannot signal resource during SUSPEND',
rsrc_name='ScaleUpPolicy')
self.assertEqual('SUSPEND_COMPLETE', ev[0].resource_status)
# still SUSPEND_COMPLETE (not gone to UPDATE_COMPLETE)
self._wait_for_stack_status(nested_ident, 'SUSPEND_COMPLETE')
self._wait_for_stack_status(stack_identifier, 'SUSPEND_COMPLETE')
# still 2 instances.
self.assertTrue(
test.call_until_true(self.build_timeout, self.build_interval,
self.check_instance_count, stack_identifier,
2))
def test_events(self):
queue_id = str(uuid.uuid4())
environment = {
'event_sinks': [{
'type': 'zaqar-queue',
'target': queue_id,
'ttl': 120
}]
}
stack_identifier = self.stack_create(template=self.template,
environment=environment)
stack_name, stack_id = stack_identifier.split('/')
conf = {
'auth_opts': {
'backend': 'keystone',
'options': {
'os_username': self.conf.username,
'os_password': self.conf.password,
'os_project_name': self.conf.project_name,
'os_auth_url': self.conf.auth_url,
'os_user_domain_id': self.conf.user_domain_id,
'os_project_domain_id': self.conf.project_domain_id,
'os_user_domain_name': self.conf.user_domain_name,
'os_project_domain_name': self.conf.project_domain_name
}
}
}
zaqar = zaqarclient.Client(conf=conf, version=1.1)
queue = zaqar.queue(queue_id)
def validate_messages():
messages = list(queue.messages())
if len(messages) < 4:
return False
types = [m.body['type'] for m in messages]
self.assertEqual(['os.heat.event'] * 4, types)
resources = set(
[m.body['payload']['resource_name'] for m in messages])
self.assertEqual(set([stack_name, 'test_resource']), resources)
stack_ids = [m.body['payload']['stack_id'] for m in messages]
self.assertEqual([stack_id] * 4, stack_ids)
statuses = [m.body['payload']['resource_status'] for m in messages]
statuses.sort()
self.assertEqual(
['COMPLETE', 'COMPLETE', 'IN_PROGRESS', 'IN_PROGRESS'],
statuses)
actions = [m.body['payload']['resource_action'] for m in messages]
self.assertEqual(['CREATE'] * 4, actions)
return True
self.assertTrue(test.call_until_true(20, 0, validate_messages))
def test_signal_during_suspend(self):
"""Prove that a signal will fail when the stack is in suspend."""
stack_identifier = self.stack_create(template=self.template,
files=self.files,
environment=self.env)
self.assertTrue(test.call_until_true(
self.build_timeout, self.build_interval,
self.check_instance_count, stack_identifier, 2))
nested_ident = self.assert_resource_is_a_stack(stack_identifier,
'JobServerGroup')
# suspend the top level stack.
self.client.actions.suspend(stack_id=stack_identifier)
# Wait for stack to reach SUSPEND_COMPLETE
self._wait_for_stack_status(stack_identifier, 'SUSPEND_COMPLETE')
# Send a signal and an exception will raise
ex = self.assertRaises(exc.BadRequest,
self.client.resources.signal,
stack_identifier, 'ScaleUpPolicy')
error_msg = 'Signal resource during SUSPEND is not supported'
self.assertIn(error_msg, six.text_type(ex))
ev = self.wait_for_event_with_reason(
stack_identifier,
reason='Cannot signal resource during SUSPEND',
rsrc_name='ScaleUpPolicy')
self.assertEqual('SUSPEND_COMPLETE', ev[0].resource_status)
# still SUSPEND_COMPLETE (not gone to UPDATE_COMPLETE)
self._wait_for_stack_status(nested_ident, 'SUSPEND_COMPLETE')
self._wait_for_stack_status(stack_identifier, 'SUSPEND_COMPLETE')
# still 2 instances.
self.assertTrue(test.call_until_true(
self.build_timeout, self.build_interval,
self.check_instance_count, stack_identifier, 2))
def test_signal_with_policy_update(self):
"""Prove that an updated policy is used in the next signal."""
stack_identifier = self.stack_create(template=self.template,
files=self.files,
environment=self.env)
self.assertTrue(
test.call_until_true(self.build_timeout, self.build_interval,
self.check_instance_count, stack_identifier,
2))
nested_ident = self.assert_resource_is_a_stack(stack_identifier,
'JobServerGroup')
# Scale up one, Trigger alarm
self.client.resources.signal(stack_identifier, 'ScaleUpPolicy')
self._wait_for_stack_status(nested_ident, 'UPDATE_COMPLETE')
self.assertTrue(
test.call_until_true(self.build_timeout, self.build_interval,
self.check_instance_count, stack_identifier,
3))
# increase the adjustment to "+2" and remove the DesiredCapacity
# so we don't go from 3 to 2.
new_template = self.template.replace(
'"ScalingAdjustment": "1"', '"ScalingAdjustment": "2"').replace(
'"DesiredCapacity" : {"Ref": "size"},', '')
self.update_stack(stack_identifier,
template=new_template,
environment=self.env,
files=self.files)
# Scale up two, Trigger alarm
self.client.resources.signal(stack_identifier, 'ScaleUpPolicy')
self._wait_for_stack_status(nested_ident, 'UPDATE_COMPLETE')
self.assertTrue(
test.call_until_true(self.build_timeout, self.build_interval,
self.check_instance_count, stack_identifier,
5))
def test_cancel_create_without_rollback(self):
before, after = get_templates(delay_s=30)
stack_id = self.stack_create(template=before,
expected_status='CREATE_IN_PROGRESS')
self._wait_for_resource_status(stack_id, 'test1', 'CREATE_IN_PROGRESS')
self.cancel_update_stack(stack_id, rollback=False,
expected_status='CREATE_FAILED')
self.assertTrue(test.call_until_true(
60, 2, self.verify_resource_status,
stack_id, 'test1', 'CREATE_COMPLETE'))
eventlet.sleep(2)
self.assertTrue(self.verify_resource_status(stack_id, 'test2',
'INIT_COMPLETE'))
def test_cancel_create_without_rollback(self):
before, after = get_templates(delay_s=30)
stack_id = self.stack_create(template=before,
expected_status='CREATE_IN_PROGRESS')
self._wait_for_resource_status(stack_id, 'test1', 'CREATE_IN_PROGRESS')
self.cancel_update_stack(stack_id,
rollback=False,
expected_status='CREATE_FAILED')
self.assertTrue(
test.call_until_true(60, 2, self.verify_resource_status, stack_id,
'test1', 'CREATE_COMPLETE'))
eventlet.sleep(2)
self.assertTrue(
self.verify_resource_status(stack_id, 'test2', 'INIT_COMPLETE'))
def test_signal_with_policy_update(self):
"""Prove that an updated policy is used in the next signal."""
stack_identifier = self.stack_create(template=self.template,
files=self.files,
environment=self.env)
self.assertTrue(test.call_until_true(
self.build_timeout, self.build_interval,
self.check_instance_count, stack_identifier, 2))
nested_ident = self.assert_resource_is_a_stack(stack_identifier,
'JobServerGroup')
# Scale up one, Trigger alarm
self.client.resources.signal(stack_identifier, 'ScaleUpPolicy')
self._wait_for_stack_status(nested_ident, 'UPDATE_COMPLETE')
self.assertTrue(test.call_until_true(
self.build_timeout, self.build_interval,
self.check_instance_count, stack_identifier, 3))
# increase the adjustment to "+2" and remove the DesiredCapacity
# so we don't go from 3 to 2.
new_template = self.template.replace(
'"ScalingAdjustment": "1"',
'"ScalingAdjustment": "2"').replace(
'"DesiredCapacity" : {"Ref": "size"},', '')
self.update_stack(stack_identifier, template=new_template,
environment=self.env, files=self.files)
# Scale up two, Trigger alarm
self.client.resources.signal(stack_identifier, 'ScaleUpPolicy')
self._wait_for_stack_status(nested_ident, 'UPDATE_COMPLETE')
self.assertTrue(test.call_until_true(
self.build_timeout, self.build_interval,
self.check_instance_count, stack_identifier, 5))
def test_alarm(self):
"""Confirm we can create an alarm and trigger it."""
# 1. create the stack
stack_identifier = self.stack_create(template=self.template)
# 2. send ceilometer a metric (should cause the alarm to fire)
sample = {}
sample['counter_type'] = 'gauge'
sample['counter_name'] = 'test_meter'
sample['counter_volume'] = 1
sample['counter_unit'] = 'count'
sample['resource_metadata'] = {'metering.stack_id':
stack_identifier.split('/')[-1]}
sample['resource_id'] = 'shouldnt_matter'
self.metering_client.samples.create(**sample)
# 3. confirm we get a scaleup.
# Note: there is little point waiting more than 60s+time to scale up.
self.assertTrue(test.call_until_true(
120, 2, self.check_instance_count, stack_identifier, 2))
def test_deployments_timeout_failed(self):
parms = {'flavor': self.conf.minimal_instance_type,
'network': self.conf.fixed_network_name,
'image': self.conf.minimal_image_ref}
stack_identifier = self.stack_create(
parameters=parms,
template=self.server_template,
enable_cleanup=self.enable_cleanup)
server_stack = self.client.stacks.get(stack_identifier)
server = server_stack.outputs[0]['output_value']
config_stack = self.deploy_config(server, 3, 1)
self._wait_for_stack_status(config_stack, 'CREATE_FAILED')
kwargs = {'server_id': server}
def check_deployment_status():
sd_list = self.client.software_deployments.list(**kwargs)
for sd in sd_list:
if sd.status != 'FAILED':
return False
return True
self.assertTrue(test.call_until_true(
20, 0, check_deployment_status))
def test_deployments_timeout_failed(self):
parms = {
'flavor': self.conf.minimal_instance_type,
'network': self.conf.fixed_network_name,
'image': self.conf.minimal_image_ref
}
stack_identifier = self.stack_create(
parameters=parms,
template=self.server_template,
enable_cleanup=self.enable_cleanup)
server_stack = self.client.stacks.get(stack_identifier)
server = server_stack.outputs[0]['output_value']
config_stack = self.deploy_config(server, 3, 1)
self._wait_for_stack_status(config_stack, 'CREATE_FAILED')
kwargs = {'server_id': server}
def check_deployment_status():
sd_list = self.client.software_deployments.list(**kwargs)
for sd in sd_list:
if sd.status != 'FAILED':
return False
return True
self.assertTrue(test.call_until_true(20, 0, check_deployment_status))
