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from aws_cdk import CfnOutput, RemovalPolicy, Stack
from aws_cdk.aws_lambda import Architecture, CfnLayerVersionPermission
from aws_cdk.aws_ssm import StringParameter
from cdk_aws_lambda_powertools_layer import LambdaPowertoolsLayer
from constructs import Construct
class LayerStack(Stack):
def __init__(
self,
scope: Construct,
construct_id: str,
powertools_version: str,
ssm_paramter_layer_arn: str,
ssm_parameter_layer_arm64_arn: str,
**kwargs
) -> None:
super().__init__(scope, construct_id, **kwargs)
layer = LambdaPowertoolsLayer(
self,
"Layer",
layer_version_name="AWSLambdaPowertoolsPythonV2",
version=powertools_version,
include_extras=True,
compatible_architectures=[Architecture.X86_64],
)
layer_arm64 = LambdaPowertoolsLayer(
self,
"Layer-ARM64",
layer_version_name="AWSLambdaPowertoolsPythonV2-Arm64",
version=powertools_version,
include_extras=True,
compatible_architectures=[Architecture.ARM_64],
)
layer_permission = CfnLayerVersionPermission(
self,
"PublicLayerAccess",
action="lambda:GetLayerVersion",
layer_version_arn=layer.layer_version_arn,
principal="*",
)
layer_permission_arm64 = CfnLayerVersionPermission(
self,
"PublicLayerAccessArm64",
action="lambda:GetLayerVersion",
layer_version_arn=layer_arm64.layer_version_arn,
principal="*",
)
layer_permission.apply_removal_policy(RemovalPolicy.RETAIN)
layer_permission_arm64.apply_removal_policy(RemovalPolicy.RETAIN)
layer.apply_removal_policy(RemovalPolicy.RETAIN)
layer_arm64.apply_removal_policy(RemovalPolicy.RETAIN)
StringParameter(
self,
"VersionArn",
parameter_name=ssm_paramter_layer_arn,
string_value=layer.layer_version_arn,
)
StringParameter(
self,
"Arm64VersionArn",
parameter_name=ssm_parameter_layer_arm64_arn,
string_value=layer_arm64.layer_version_arn,
)
CfnOutput(self, "LatestLayerArn", value=layer.layer_version_arn)
CfnOutput(self, "LatestLayerArm64Arn", value=layer_arm64.layer_version_arn)