Source code for tests.system.apache.druid.example_druid_dag
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"""
Example Airflow DAG to submit Apache Druid json index file using `DruidOperator`
"""
from __future__ import annotations
import os
from datetime import datetime
from airflow.models import DAG
from airflow.providers.apache.druid.operators.druid import DruidOperator
[docs]ENV_ID = os.environ.get("SYSTEM_TESTS_ENV_ID")
[docs]DAG_ID = "example_druid_operator"
with DAG(
dag_id=DAG_ID,
schedule=None,
start_date=datetime(2021, 1, 1),
catchup=False,
tags=["example"],
) as dag:
# [START howto_operator_druid_submit]
[docs] submit_job = DruidOperator(task_id="spark_submit_job", json_index_file="json_index.json")
# Example content of json_index.json:
JSON_INDEX_STR = """
{
"type": "index_hadoop",
"datasource": "datasource_prd",
"spec": {
"dataSchema": {
"granularitySpec": {
"intervals": ["2021-09-01/2021-09-02"]
}
}
}
}
"""
# [END howto_operator_druid_submit]
from tests_common.test_utils.system_tests 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)