def _construct_lambda_layer(self, intrinsics_resolver):
"""Constructs and returns the Lambda function.
:returns: a list containing the Lambda function and execution role resources
:rtype: list
"""
# Resolve intrinsics if applicable:
self.LayerName = self._resolve_string_parameter(
intrinsics_resolver, self.LayerName, 'LayerName')
self.LicenseInfo = self._resolve_string_parameter(
intrinsics_resolver, self.LicenseInfo, 'LicenseInfo')
self.Description = self._resolve_string_parameter(
intrinsics_resolver, self.Description, 'Description')
self.RetentionPolicy = self._resolve_string_parameter(
intrinsics_resolver, self.RetentionPolicy, 'RetentionPolicy')
retention_policy_value = self._get_retention_policy_value()
attributes = self.get_passthrough_resource_attributes()
if attributes is None:
attributes = {}
attributes['DeletionPolicy'] = retention_policy_value
old_logical_id = self.logical_id
new_logical_id = logical_id_generator.LogicalIdGenerator(
old_logical_id, self.to_dict()).gen()
self.logical_id = new_logical_id
lambda_layer = LambdaLayerVersion(self.logical_id,
depends_on=self.depends_on,
attributes=attributes)
# Changing the LayerName property: when a layer is published, it is given an Arn
# example: arn:aws:lambda:us-west-2:123456789012:layer:MyLayer:1
# where MyLayer is the LayerName property if it exists; otherwise, it is the
# LogicalId of this resource. Since a LayerVersion is an immutable resource, when
# CloudFormation updates this resource, it will ALWAYS create a new version then
# delete the old version if the logical ids match. What this does is change the
# logical id of every layer (so a `DeletionPolicy: Retain` can work) and set the
# LayerName property of the layer so that the Arn will still always be the same
# with the exception of an incrementing version number.
if not self.LayerName:
self.LayerName = old_logical_id
lambda_layer.LayerName = self.LayerName
lambda_layer.Description = self.Description
lambda_layer.Content = construct_s3_location_object(
self.ContentUri, self.logical_id, 'ContentUri')
lambda_layer.CompatibleRuntimes = self.CompatibleRuntimes
lambda_layer.LicenseInfo = self.LicenseInfo
return lambda_layer
def _construct_lambda_layer(self, intrinsics_resolver):
"""Constructs and returns the Lambda function.
:returns: a list containing the Lambda function and execution role resources
:rtype: list
"""
# Resolve intrinsics if applicable:
self.LayerName = self._resolve_string_parameter(intrinsics_resolver, self.LayerName, 'LayerName')
self.LicenseInfo = self._resolve_string_parameter(intrinsics_resolver, self.LicenseInfo, 'LicenseInfo')
self.Description = self._resolve_string_parameter(intrinsics_resolver, self.Description, 'Description')
self.RetentionPolicy = self._resolve_string_parameter(intrinsics_resolver, self.RetentionPolicy,
'RetentionPolicy')
retention_policy_value = self._get_retention_policy_value()
attributes = self.get_passthrough_resource_attributes()
if attributes is None:
attributes = {}
attributes['DeletionPolicy'] = retention_policy_value
old_logical_id = self.logical_id
new_logical_id = logical_id_generator.LogicalIdGenerator(old_logical_id, self.to_dict()).gen()
self.logical_id = new_logical_id
lambda_layer = LambdaLayerVersion(self.logical_id, depends_on=self.depends_on, attributes=attributes)
# Changing the LayerName property: when a layer is published, it is given an Arn
# example: arn:aws:lambda:us-west-2:123456789012:layer:MyLayer:1
# where MyLayer is the LayerName property if it exists; otherwise, it is the
# LogicalId of this resource. Since a LayerVersion is an immutable resource, when
# CloudFormation updates this resource, it will ALWAYS create a new version then
# delete the old version if the logical ids match. What this does is change the
# logical id of every layer (so a `DeletionPolicy: Retain` can work) and set the
# LayerName property of the layer so that the Arn will still always be the same
# with the exception of an incrementing version number.
if not self.LayerName:
self.LayerName = old_logical_id
lambda_layer.LayerName = self.LayerName
lambda_layer.Description = self.Description
lambda_layer.Content = construct_s3_location_object(self.ContentUri, self.logical_id, 'ContentUri')
lambda_layer.CompatibleRuntimes = self.CompatibleRuntimes
lambda_layer.LicenseInfo = self.LicenseInfo
return lambda_layer