Source code for tests.system.providers.google.cloud.datastore.example_datastore_commit

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"""
Airflow System Test DAG that verifies Datastore commit operators.
"""
from __future__ import annotations

import os
from datetime import datetime
from typing import Any

from airflow import models
from airflow.providers.google.cloud.operators.datastore import (
    CloudDatastoreAllocateIdsOperator,
    CloudDatastoreBeginTransactionOperator,
    CloudDatastoreCommitOperator,
)


[docs]ENV_ID = os.environ.get("SYSTEM_TESTS_ENV_ID")


[docs]PROJECT_ID = os.environ.get("SYSTEM_TESTS_GCP_PROJECT")



[docs]DAG_ID = "datastore_commit"


# [START how_to_keys_def]

[docs]KEYS = [
    {
        "partitionId": {"projectId": PROJECT_ID, "namespaceId": ""},
        "path": {"kind": "airflow"},
    }
]

# [END how_to_keys_def]

# [START how_to_transaction_def]

[docs]TRANSACTION_OPTIONS: dict[str, Any] = {"readWrite": {}}

# [END how_to_transaction_def]


with models.DAG(
    DAG_ID,
    schedule="@once",
    start_date=datetime(2021, 1, 1),
    catchup=False,
    tags=["datastore", "example"],
) as dag:
    # [START how_to_allocate_ids]

[docs]    allocate_ids = CloudDatastoreAllocateIdsOperator(
        task_id="allocate_ids", partial_keys=KEYS, project_id=PROJECT_ID
    )

    # [END how_to_allocate_ids]

    # [START how_to_begin_transaction]
    begin_transaction_commit = CloudDatastoreBeginTransactionOperator(
        task_id="begin_transaction_commit",
        transaction_options=TRANSACTION_OPTIONS,
        project_id=PROJECT_ID,
    )
    # [END how_to_begin_transaction]

    # [START how_to_commit_def]
    COMMIT_BODY = {
        "mode": "TRANSACTIONAL",
        "mutations": [
            {
                "insert": {
                    "key": KEYS[0],
                    "properties": {"string": {"stringValue": "airflow is awesome!"}},
                }
            }
        ],
        "transaction": begin_transaction_commit.output,
    }
    # [END how_to_commit_def]

    # [START how_to_commit_task]
    commit_task = CloudDatastoreCommitOperator(task_id="commit_task", body=COMMIT_BODY, project_id=PROJECT_ID)
    # [END how_to_commit_task]

    allocate_ids >> begin_transaction_commit >> commit_task


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)

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