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# 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
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from __future__ import annotations
from datetime import datetime
from airflow.providers.amazon.aws.operators.s3 import S3CreateBucketOperator, S3DeleteBucketOperator
from airflow.providers.amazon.aws.transfers.http_to_s3 import HttpToS3Operator
from airflow.providers.standard.operators.bash import BashOperator
from tests_common.test_utils.api_client_helpers import make_authenticated_rest_api_request
from tests_common.test_utils.version_compat import AIRFLOW_V_3_0_PLUS
if AIRFLOW_V_3_0_PLUS:
from airflow.sdk import DAG, chain, task
else:
# Airflow 2.10 compat
from airflow.decorators import task # type: ignore[attr-defined,no-redef]
from airflow.models.baseoperator import chain # type: ignore[attr-defined,no-redef]
from airflow.models.dag import DAG # type: ignore[attr-defined,no-redef,assignment]
from airflow.utils.trigger_rule import TriggerRule
from system.amazon.aws.utils import SystemTestContextBuilder
[docs]
sys_test_context_task = SystemTestContextBuilder().build()
[docs]
DAG_ID = "example_http_to_s3"
[docs]
cmd = """
#!/bin/bash
echo 'foo' > /tmp/test_file
cd /tmp
nohup python3 -m http.server 8083 > /dev/null 2>&1 &
echo $!
sleep 2
exit 0
"""
@task
[docs]
def create_connection(conn_id_name: str):
make_authenticated_rest_api_request(
path="/api/v2/connections",
method="POST",
body={
"connection_id": conn_id_name,
"conn_type": "http",
"host": "localhost",
"port": 8083,
},
)
with DAG(
DAG_ID,
schedule="@once",
start_date=datetime(2021, 1, 1),
catchup=False,
tags=["example"],
) as dag:
[docs]
test_context = sys_test_context_task()
env_id = test_context["ENV_ID"]
conn_id_name = f"{env_id}-conn-id"
s3_bucket = f"{env_id}-http-to-s3-bucket"
s3_key = f"{env_id}-http-to-s3-key"
create_s3_bucket = S3CreateBucketOperator(task_id="create_s3_bucket", bucket_name=s3_bucket)
set_up_connection = create_connection(conn_id_name)
start_server = BashOperator(bash_command=cmd, task_id="start_server")
# [START howto_transfer_http_to_s3]
http_to_s3_task = HttpToS3Operator(
task_id="http_to_s3_task",
http_conn_id=conn_id_name,
endpoint="/test_file",
s3_bucket=s3_bucket,
s3_key=s3_key,
replace=True,
)
# [END howto_transfer_http_to_s3]
stop_server = BashOperator(
task_id="stop_simple_http_server",
bash_command='kill {{ti.xcom_pull(task_ids="start_server")}}',
trigger_rule=TriggerRule.ALL_DONE,
)
delete_s3_bucket = S3DeleteBucketOperator(
task_id="delete_s3_bucket",
bucket_name=s3_bucket,
force_delete=True,
trigger_rule=TriggerRule.ALL_DONE,
)
chain(
# TEST SETUP
test_context,
create_s3_bucket,
set_up_connection,
start_server,
# TEST BODY
http_to_s3_task,
# TEST TEARDOWN
stop_server,
delete_s3_bucket,
)
from tests_common.test_utils.watcher import watcher
# This test needs watcher in order to properly mark success/failure
# when "tearDown" task with trigger rule is part of the DAG
list(dag.tasks) >> watcher()
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)