def run_update(self, update_ecs_agents):
if update_ecs_agents:
self.__run_ecs_container_agent_udpate()
try:
log("Initiating environment stack update.")
environment_stack_template_body = ClusterTemplateGenerator(
self.environment,
self.configuration,
self.__get_desired_count()
).generate_cluster()
log("Template generation complete.")
change_set = create_change_set(
self.client,
environment_stack_template_body,
self.cluster_name,
self.__get_parameter_values(),
self.environment
)
self.existing_events = get_stack_events(
self.client,
self.cluster_name
)
if change_set is None:
return
log_bold("Executing changeset. Checking progress...")
self.client.execute_change_set(
ChangeSetName=change_set['ChangeSetId']
)
self.__print_progress()
except ClientError as e:
log_err("No updates are to be performed")
except Exception as e:
raise e
def run(self):
try:
log("Check if stack already exists for " + self.cluster_name)
environment_stack = self.client.describe_stacks(
StackName=self.cluster_name)['Stacks'][0]
log(self.cluster_name + " stack exists. ID: " +
environment_stack['StackId'])
log_err("Cannot create environment with duplicate name: " +
self.cluster_name)
except Exception:
log(self.cluster_name +
" stack does not exist. Creating new stack.")
# When creating a cluster, desired_instance count is same
# as min_instance count
environment_stack_template_body = ClusterTemplateGenerator(
self.environment, self.configuration).generate_cluster()
self.existing_events = get_stack_events(self.client,
self.cluster_name)
environment_stack = self.client.create_stack(
StackName=self.cluster_name,
TemplateBody=environment_stack_template_body,
Parameters=[{
'ParameterKey': 'KeyPair',
'ParameterValue': self.key_name,
}, {
'ParameterKey': 'Environment',
'ParameterValue': self.environment,
}],
OnFailure='DO_NOTHING',
Capabilities=['CAPABILITY_NAMED_IAM'],
)
log_bold("Submitted to cloudformation. Checking progress...")
self.__print_progress()
log_bold(self.cluster_name + " stack created. ID: " +
environment_stack['StackId'])
def __init__(self, name, environment):
self.name = name
self.environment = environment
self.stack_name = get_service_stack_name(environment, name)
self.client = get_client_for('cloudformation', self.environment)
self.environment_stack = self._get_environment_stack()
self.existing_events = get_stack_events(self.client, self.stack_name)
self.service_configuration = ServiceConfiguration(
self.name, self.environment)
def __print_progress(self):
while True:
response = self.client.describe_stacks(StackName=self.cluster_name)
if "IN_PROGRESS" not in response['Stacks'][0]['StackStatus']:
break
all_events = get_stack_events(self.client, self.cluster_name)
print_new_events(all_events, self.existing_events)
self.existing_events = all_events
sleep(5)
log_bold("Finished and Status: %s" % (response['Stacks'][0]['StackStatus']))
def _print_progress(self):
while True:
response = self.client.describe_stacks(StackName=self.stack_name)
if "IN_PROGRESS" not in response['Stacks'][0]['StackStatus']:
break
all_events = get_stack_events(self.client, self.stack_name)
print_new_events(all_events, self.existing_events)
self.existing_events = all_events
sleep(5)
final_status = response['Stacks'][0]['StackStatus']
if "FAIL" in final_status:
log_err("Finished with status: %s" % (final_status))
else:
log_bold("Finished with status: %s" % (final_status))