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"""This module contains AWS Lambda hook"""
import warnings
from typing import Any, List, Optional
from airflow.providers.amazon.aws.hooks.base_aws import AwsBaseHook
[docs]class LambdaHook(AwsBaseHook):
"""
Interact with AWS Lambda
Additional arguments (such as ``aws_conn_id``) may be specified and
are passed down to the underlying AwsBaseHook.
.. seealso::
:class:`~airflow.providers.amazon.aws.hooks.base_aws.AwsBaseHook`
:param function_name: AWS Lambda Function Name
:param log_type: Tail Invocation Request
:param qualifier: AWS Lambda Function Version or Alias Name
:param invocation_type: AWS Lambda Invocation Type (RequestResponse, Event etc)
"""
def __init__(
self,
*args,
**kwargs,
) -> None:
kwargs["client_type"] = "lambda"
super().__init__(*args, **kwargs)
[docs] def invoke_lambda(
self,
*,
function_name: str,
invocation_type: Optional[str] = None,
log_type: Optional[str] = None,
client_context: Optional[str] = None,
payload: Optional[str] = None,
qualifier: Optional[str] = None,
):
"""Invoke Lambda Function. Refer to the boto3 documentation for more info."""
invoke_args = {
"FunctionName": function_name,
"InvocationType": invocation_type,
"LogType": log_type,
"ClientContext": client_context,
"Payload": payload,
"Qualifier": qualifier,
}
response = self.conn.invoke(**{k: v for k, v in invoke_args.items() if v is not None})
return response
[docs] def create_lambda(
self,
*,
function_name: str,
runtime: str,
role: str,
handler: str,
code: dict,
description: Optional[str] = None,
timeout: Optional[int] = None,
memory_size: Optional[int] = None,
publish: Optional[bool] = None,
vpc_config: Optional[Any] = None,
package_type: Optional[str] = None,
dead_letter_config: Optional[Any] = None,
environment: Optional[Any] = None,
kms_key_arn: Optional[str] = None,
tracing_config: Optional[Any] = None,
tags: Optional[Any] = None,
layers: Optional[list] = None,
file_system_configs: Optional[List[Any]] = None,
image_config: Optional[Any] = None,
code_signing_config_arn: Optional[str] = None,
architectures: Optional[List[str]] = None,
) -> dict:
"""Create a Lambda Function"""
create_function_args = {
"FunctionName": function_name,
"Runtime": runtime,
"Role": role,
"Handler": handler,
"Code": code,
"Description": description,
"Timeout": timeout,
"MemorySize": memory_size,
"Publish": publish,
"VpcConfig": vpc_config,
"PackageType": package_type,
"DeadLetterConfig": dead_letter_config,
"Environment": environment,
"KMSKeyArn": kms_key_arn,
"TracingConfig": tracing_config,
"Tags": tags,
"Layers": layers,
"FileSystemConfigs": file_system_configs,
"ImageConfig": image_config,
"CodeSigningConfigArn": code_signing_config_arn,
"Architectures": architectures,
}
response = self.conn.create_function(
**{k: v for k, v in create_function_args.items() if v is not None},
)
return response
[docs]class AwsLambdaHook(LambdaHook):
"""
This hook is deprecated.
Please use :class:`airflow.providers.amazon.aws.hooks.lambda_function.LambdaHook`.
"""
def __init__(self, *args, **kwargs):
warnings.warn(
"This hook is deprecated. "
"Please use :class:`airflow.providers.amazon.aws.hooks.lambda_function.LambdaHook`.",
DeprecationWarning,
stacklevel=2,
)
super().__init__(*args, **kwargs)
