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from airflow.contrib.hooks.aws_hook import AwsHook
[docs]class AwsLambdaHook(AwsHook):
"""
Interact with AWS Lambda
:param function_name: AWS Lambda Function Name
:type function_name: str
:param region_name: AWS Region Name (example: us-west-2)
:type region_name: str
:param log_type: Tail Invocation Request
:type log_type: str
:param qualifier: AWS Lambda Function Version or Alias Name
:type qualifier: str
:param invocation_type: AWS Lambda Invocation Type (RequestResponse, Event etc)
:type invocation_type: str
"""
def __init__(self, function_name, region_name=None,
log_type='None', qualifier='$LATEST',
invocation_type='RequestResponse', *args, **kwargs):
self.function_name = function_name
self.region_name = region_name
self.log_type = log_type
self.invocation_type = invocation_type
self.qualifier = qualifier
super(AwsLambdaHook, self).__init__(*args, **kwargs)
[docs] def get_conn(self):
self.conn = self.get_client_type('lambda', self.region_name)
return self.conn
[docs] def invoke_lambda(self, payload):
"""
Invoke Lambda Function
"""
awslambda_conn = self.get_conn()
response = awslambda_conn.invoke(
FunctionName=self.function_name,
InvocationType=self.invocation_type,
LogType=self.log_type,
Payload=payload,
Qualifier=self.qualifier
)
return response