def load(self):
self.stack = self.aws_cfn.Stack(self.stack_name)
try:
self.stack.load()
logger.debug('Loaded Stack: %r', self.stack)
except ClientError as error:
logger.error(MESSAGE_STACK_NOT_FOUND.format(
stack_name=self.stack_name, message=error.message))
self.notify(DeploymentResponse.STATUS_FAILURE, error.message)
def update(self):
logger.debug('Parameters to be updated: %s', self.stack.parameters)
merged = self.stack_update_parameters.merge(self.stack.parameters)
logger.debug('Merged parameters: %s', merged)
try:
logger.debug('Will try to update Cloudformation')
self.stack.update(
UsePreviousTemplate=True,
Parameters=merged,
Capabilities=['CAPABILITY_IAM'],
NotificationARNs=self.cfn_output_topics)
message = 'Cloudformation was triggered successfully.'
logger.debug(message)
self.notify(DeploymentResponse.STATUS_SUCCESS, message)
except ClientError as error:
logger.error(MESSAGE_UPDATE_PROBLEM.format(
stack_name=self.stack_name, message=error.message))
self.notify(DeploymentResponse.STATUS_FAILURE, error.message)