aws-cdk-aws-kinesisanalytics-flink-alpha

import os from aws_cdk import ( Stack, aws_kinesisanalytics_flink_alpha as flink, aws_s3 as s3, aws_iam as iam, ) from constructs import Construct class FlinkApplicationStack(Stack): def __init__(self, scope: Construct, id: str, **kwargs): super().__init__(scope, id, **kwargs) # 1. Create an S3 bucket for your Flink application JAR/ZIP # (CDK will deploy this bucket for you) app_code_bucket = s3.Bucket(self, "FlinkAppCodeBucket") # 2. Define the path to your Flink application code in S3 # IMPORTANT: Your Flink application JAR/ZIP must be uploaded to this path BEFORE cdk deploy. flink_app_jar_key = os.environ.get('FLINK_APP_JAR_KEY', 'my-flink-app.jar') # e.g., 'path/to/my-app.jar' # 3. Create an IAM role for Kinesis Data Analytics service execution # This role grants KDA permissions to access resources like S3, Kinesis streams, etc. flink_service_role = iam.Role(self, "FlinkServiceRole", assumed_by=iam.ServicePrincipal("kinesisanalytics.amazonaws.com"), description="IAM role for Kinesis Data Analytics Flink application" ) # Grant read access to the application code bucket app_code_bucket.grant_read(flink_service_role) # 4. Define the Kinesis Data Analytics Flink Application flink_application = flink.Application(self, "MyFlinkApplication", application_name="MyCDKFlinkApp", code=flink.ApplicationCode.from_bucket(app_code_bucket, flink_app_jar_key), runtime=flink.FlinkRuntime.FLINK_1_15, # Choose your Flink runtime version: FLINK_1_11, FLINK_1_13, FLINK_1_15 service_execution_role=flink_service_role, # Optional: Add environment variables, monitoring, logging, etc. # application_properties=[flink.ApplicationProperty( # property_group_id='kda.flink.run.options', # properties={'parallelism.default': '2'}) # ] ) # To deploy this, typically you'd put it in a file like 'app.py' # from aws_cdk import App # app = App() # FlinkApplicationStack(app, "MyFlinkApplicationStack", # env={'region': os.environ.get('CDK_DEFAULT_REGION'), 'account': os.environ.get('CDK_DEFAULT_ACCOUNT')} # ) # app.synth()