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"""
Example Airflow DAG that trigger a task in Azure Batch.

This DAG relies on the following OS environment variables

* POOL_ID - The Pool ID in Batch accounts.
"""

from __future__ import annotations

import os
from datetime import datetime

from airflow import DAG
from airflow.providers.microsoft.azure.operators.batch import AzureBatchOperator

POOL_ID = os.environ.get("POOL_ID", "example-pool")

with DAG(
    dag_id="example_azure_batch",
    schedule=None,
    start_date=datetime(2021, 1, 1),
    catchup=False,
    doc_md=__doc__,
    tags=["example"],
) as dag:
    # [START howto_azure_batch_operator]
    azure_batch_operator = AzureBatchOperator(
        task_id="azure_batch",
        batch_pool_id=POOL_ID,
        batch_pool_vm_size="standard_d2s_v3",
        batch_job_id="example-job",
        batch_task_command_line="/bin/bash -c 'set -e; set -o pipefail; echo hello world!; wait'",
        batch_task_id="example-task",
        vm_node_agent_sku_id="batch.node.ubuntu 22.04",
        vm_publisher="Canonical",
        vm_offer="0001-com-ubuntu-server-jammy",
        vm_sku="22_04-lts-gen2",
        target_dedicated_nodes=1,
    )
    # [END howto_azure_batch_operator]

    # [START howto_azure_batch_operator_with_deferrable_flag]
    azure_batch_operator_deferrable = AzureBatchOperator(
        task_id="azure_batch_deferrable",
        batch_pool_id=POOL_ID,
        batch_pool_vm_size="standard_d2s_v3",
        batch_job_id="example-job",
        batch_task_command_line="/bin/bash -c 'set -e; set -o pipefail; echo hello world!; wait'",
        batch_task_id="example-task",
        vm_node_agent_sku_id="batch.node.ubuntu 22.04",
        vm_publisher="Canonical",
        vm_offer="0001-com-ubuntu-server-jammy",
        vm_sku="22_04-lts-gen2",
        target_dedicated_nodes=1,
        deferrable=True,
    )
    # [END howto_azure_batch_operator_with_deferrable_flag]

    azure_batch_operator >> azure_batch_operator_deferrable

from tests_common.test_utils.system_tests import get_test_run  # noqa: E402

# Needed to run the example DAG with pytest (see: contributing-docs/testing/system_tests.rst)
test_run = get_test_run(dag)
