CBT_TABLE_ID = getenv('GCP_BIG_TABLE_TABLE_ID', 'some-table-id') CBT_POKE_INTERVAL = getenv('GCP_BIG_TABLE_POKE_INTERVAL', '60') with models.DAG( 'example_gcp_bigtable_operators', start_date=datetime(2021, 1, 1), catchup=False, tags=['example'], ) as dag: # [START howto_operator_gcp_bigtable_instance_create] create_instance_task = BigtableCreateInstanceOperator( project_id=GCP_PROJECT_ID, instance_id=CBT_INSTANCE_ID, main_cluster_id=CBT_CLUSTER_ID, main_cluster_zone=CBT_CLUSTER_ZONE, instance_display_name=CBT_INSTANCE_DISPLAY_NAME, instance_type=int(CBT_INSTANCE_TYPE), instance_labels=json.loads(CBT_INSTANCE_LABELS), cluster_nodes=None, cluster_storage_type=int(CBT_CLUSTER_STORAGE_TYPE), task_id='create_instance_task', ) create_instance_task2 = BigtableCreateInstanceOperator( instance_id=CBT_INSTANCE_ID, main_cluster_id=CBT_CLUSTER_ID, main_cluster_zone=CBT_CLUSTER_ZONE, instance_display_name=CBT_INSTANCE_DISPLAY_NAME, instance_type=int(CBT_INSTANCE_TYPE), instance_labels=json.loads(CBT_INSTANCE_LABELS), cluster_nodes=int(CBT_CLUSTER_NODES), cluster_storage_type=int(CBT_CLUSTER_STORAGE_TYPE), task_id='create_instance_task2',