def create(event, context):
"""
Runs on Stack Creation.
As there is no real 'resource', and it will never be replaced,
PhysicalResourceId is set to a hash of StackId and LogicalId.
"""
s = '%s-%s' % (event.get('StackId'), event.get('LogicalResourceId'))
physical_resource_id = md5(s.encode('UTF-8')).hexdigest()
if event.get('ResourceType') == 'Custom::ExpungeVPC':
ec2 = ExpungeDefaultVPC(event, logger)
logger.info("Deleting VPCs and dependencies - CR Router")
response = ec2.expunge_default_vpc()
logger.info("Response from ExpungeVPC CR Handler")
logger.info(response)
return physical_resource_id, response
elif event.get('ResourceType') == 'Custom::EC2KeyPair':
ec2 = KeyPair(event, logger)
logger.info("Creating EC2 Key Pair - CR Router")
response = ec2.create_key_pair()
logger.info("Response from KeyPair CR Handler")
logger.info(response)
return physical_resource_id, response
elif event['ResourceType'] == 'Custom::SSMParameters':
logger.info(event)
ssm = GetParameters(event, logger)
logger.info("Running SSM Parameter Values Handler Event - CR Router")
response = ssm.get_parameter_values()
logger.info("Response from SSM Parameter Values Handler")
logger.info(response)
return physical_resource_id, response
elif event['ResourceType'] == 'Custom::VPCCalculator':
logger.info(event)
vpc = VPCCalculator(event, logger)
logger.info("Running VPC Calculator - CR Router")
response = vpc.calculate_vpc_parameters()
logger.info("Response from Calculate VPC Parameters Handler")
logger.info(response)
return physical_resource_id, response
elif event['ResourceType'] == 'Custom::VPCPeering':
logger.info(event)
vpc = VPCPeering(event, logger)
if event.get('ResourceProperties',
{}).get('RouteTableIDs') is not None:
logger.info("Running VPC Peer Routing - CR Router")
response = vpc.create_vpc_peering_routing()
else:
logger.info("Running VPC Peer Connection - CR Router")
response = vpc.create_vpc_peering_connection()
logger.info("Response from VPC Peering Handler")
logger.info(response)
return physical_resource_id, response
else:
logger.error('No valid ResourceType found! Resource type \"' +
event['ResourceType'] + '\" received',
exc_info=True)
raise Exception('No valid ResourceType found! Resource type \"' +
event['ResourceType'] + '\" received')
def update(event, context):
"""
Runs on Stack Update
"""
physical_resource_id = event['PhysicalResourceId']
if event.get('ResourceType') == 'Custom::ExpungeVPC':
ec2 = ExpungeDefaultVPC(event, logger)
logger.info("Deleting VPCs and dependencies - CR Router")
response = ec2.expunge_default_vpc()
logger.info("Response from ExpungeVPC CR Handler")
logger.info(response)
return physical_resource_id, response
elif event['ResourceType'] == 'Custom::VPCCalculator':
logger.info(event)
vpc = VPCCalculator(event, logger)
logger.info("Running VPC Calculator - CR Router")
response = vpc.calculate_vpc_parameters()
logger.info("Response from Calculate VPC Parameters Handler")
logger.info(response)
return physical_resource_id, response
elif event['ResourceType'] == 'Custom::SSMParameters':
logger.info(event)
ssm = GetParameters(event, logger)
logger.info("Running SSM Parameter Values Handler Event - CR Router")
response = ssm.get_parameter_values()
logger.info("Response from SSM Parameter Values Handler")
logger.info(response)
return physical_resource_id, response
elif event['ResourceType'] == 'Custom::VPCPeering':
logger.info(event)
vpc = VPCPeering(event, logger)
if event.get('ResourceProperties',
{}).get('RouteTableIDs') is not None:
logger.info("Running VPC Peer Routing - CR Router")
response = vpc.update_vpc_peering_routing()
else:
logger.info("Running VPC Peer Connection - CR Router")
response = vpc.update_vpc_peering_connection()
logger.info("Response from VPC Peering Handler")
logger.info(response)
return physical_resource_id, response
else:
logger.error('No valid ResourceType found! Resource type \"' +
event['ResourceType'] + '\" received',
exc_info=True)
raise Exception('No valid ResourceType found! Resource type \"' +
event['ResourceType'] + '\" received')