def lambda_handler(event, context):
# Lambda handler function uses crhelper library to handle CloudFormation services
try:
logger.info("<<<<<<<<<< Lambda_handler Event >>>>>>>>>>")
logger.info(event)
resource_type = event.get('ResourceType')
if resource_type == 'Custom::Organizations' \
or resource_type == 'Custom::StackInstance' \
or resource_type == 'Custom::ServiceControlPolicy' \
or resource_type == 'Custom::CheckAVMExistsForAccount' \
or resource_type == 'Custom::ADConnector':
s = '%s-%s' % (event.get('StackId'),
event.get('LogicalResourceId'))
physical_resource_id = md5(s.encode('UTF-8')).hexdigest()
event.update({'PhysicalResourceId': physical_resource_id})
execute_state_machine(event)
else:
return cfn_handler(event, context, create, update, delete, logger,
init_failed)
except Exception as e:
message = {
'FILE': __file__.split('/')[-1],
'METHOD': inspect.stack()[0][3],
'EXCEPTION': str(e)
}
logger.exception(message)
raise
def lambda_handler(event, context):
"""
Pass event and context to cfn_handler
cfn_handler calls the functions above based on mapping below, then
uses its "send" function to post the result to CloudFormation
"""
logger.info("<<<<<<<<<< Lambda_handler Event >>>>>>>>>>")
logger.info(event)
request_type = event.get('RequestType', 'invalid').lower()
if request_type in ['update', 'create', 'delete']:
return cfn_handler(event, context, create, update, delete, logger, init_failed)
else:
logger.error('Invalid or missing request type {}'.format(request_type))
raise ValueError('No valid RequestType found! Request type "{}" received'.format(event['RequestType']))
def lambda_handler(event, context):
# Lambda handler function uses cr helper library to handle CloudFormation services
try:
logger.info(
"<<<<<<<<<< Custom Resource lambda_handler Event >>>>>>>>>>")
# if the event is from the CloudWatch Events Service then invoke the state machine
if event.get('source') == 'aws.tag' and event.get(
'detail-type') == 'Tag Change on Resource':
logger.info('Event received from CloudWatch Event Service')
logger.info(event)
state_machine = StepFunctions(event, logger)
state_machine.trigger_state_machine()
# else if the event is from Cloudformation Service
elif event.get('StackId'
) is not None and 'arn:aws:cloudformation' in event.get(
'StackId'):
logger.info('Event received from Cloudformation Service')
if event.get('ResourceType') != 'Custom::SecureSSMStrings':
logger.info(event) # avoid printing sensitive data in the logs
return cfn_handler(event, context, create, update, delete, logger,
init_failed)
# else of the event is from Web Application
elif event.get('data') is not None:
logger.info(
'Event received from Web App - Transit Network Management Console'
)
logger.info(event)
state_machine = StepFunctions(event.get('data'), logger)
state_machine.trigger_state_machine()
else:
logger.info(event)
logger.error('The event is from an invalid source')
raise Exception(
'The event is neither from CloudWatch Event service or from Cloudformation service.'
)
except Exception as e:
message = {
'FILE': __file__.split('/')[-1],
'METHOD': inspect.stack()[0][3],
'EXCEPTION': str(e)
}
logger.exception(message)
raise
def lambda_handler(event, context):
logger.info("<<<<<<<<<< ConfigDeployer Event >>>>>>>>>>")
logger.info(event)
logger.debug(context)
return cfn_handler(event, context, create, update, delete, logger,
init_failed)
