Source code for tests.system.providers.apache.cassandra.example_cassandra_dag

#
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements.  See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
#
#   http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.
"""
Example Airflow DAG to check if a Cassandra Table and a Records exists
or not using `CassandraTableSensor` and `CassandraRecordSensor`.
"""
from __future__ import annotations

import os
from datetime import datetime

from airflow.models import DAG
from airflow.providers.apache.cassandra.sensors.record import CassandraRecordSensor
from airflow.providers.apache.cassandra.sensors.table import CassandraTableSensor

# Ignore missing args provided by default_args
# mypy: disable-error-code="call-arg"


[docs]ENV_ID = os.environ.get("SYSTEM_TESTS_ENV_ID")
[docs]DAG_ID = "example_cassandra_operator"
# [START howto_operator_cassandra_sensors] with DAG( dag_id=DAG_ID, schedule=None, start_date=datetime(2021, 1, 1), default_args={"table": "keyspace_name.table_name"}, catchup=False, tags=["example"], ) as dag:
[docs] table_sensor = CassandraTableSensor(task_id="cassandra_table_sensor")
record_sensor = CassandraRecordSensor(task_id="cassandra_record_sensor", keys={"p1": "v1", "p2": "v2"}) # [END howto_operator_cassandra_sensors] from tests.system.utils import get_test_run # noqa: E402 # Needed to run the example DAG with pytest (see: tests/system/README.md#run_via_pytest)
[docs]test_run = get_test_run(dag)

Was this entry helpful?