def __init__(self, scope: core.Construct, id: str, prefix: str,
source_bucket: s3.Bucket, dest_bucket: s3.Bucket,
**kwargs) -> None:
super().__init__(scope, id, **kwargs)
suffix = Fn.select(
4, Fn.split('-', Fn.select(2, Fn.split('/', self.stack_id))))
# KMS key for Kinesis Data Streams
self.__kms_key = Key(scope=self,
id='kms-kinesis',
alias='custom/kinesis',
description='KMS key for Kinesis Data Streams',
enable_key_rotation=True)
# Create Kinesis streams
self.__sale_stream = Stream(scope=self,
id="saleStream",
stream_name="ara-web-sale",
encryption_key=self.__kms_key)
self.__address_stream = Stream(scope=self,
id="addressStream",
stream_name="ara-web-customer-address",
encryption_key=self.__kms_key)
self.__customer_stream = Stream(scope=self,
id="customerStream",
stream_name="ara-web-customer",
encryption_key=self.__kms_key)
# Role for the KDA service
kda_role = Role(scope=self,
id='KinesisAnalyticsRole',
assumed_by=ServicePrincipal(
service='kinesisanalytics.amazonaws.com'))
# Grant read on Kinesis streams
self.__customer_stream.grant_read(kda_role)
self.__address_stream.grant_read(kda_role)
self.__sale_stream.grant_read(kda_role)
# Grant read on source bucket (reference data)
source_bucket.grant_read(kda_role)
# Grant write on destination bucket
dest_bucket.grant_write(kda_role)
kda_role.add_to_policy(
PolicyStatement(actions=['kinesis:ListShards'],
resources=[
self.__customer_stream.stream_arn,
self.__address_stream.stream_arn,
self.__sale_stream.stream_arn
]))
# Create Elasticsearch domain
# TODO: use VPC subnets
es_domain = EsDomain(scope=self,
id='EsDomain',
application_prefix=prefix,
suffix=suffix,
kda_role=kda_role)
# Create the KDA application after the Elasticsearch service
kda_app = KdaApplication(scope=self,
id='KdaApplication',
es_domain=es_domain.es_domain,
kda_role=kda_role,
source_bucket=source_bucket,
dest_bucket=dest_bucket)
core.Tags.of(self).add('module-name', 'streaming')
def _stack_unique_id(self):
return Fn.select(2, Fn.split("/", Stack.of(self).stack_id))
def _get_compute_env_prefix(self):
return Fn.select(
1, Fn.split("compute-environment/", self._compute_env.ref))
