s3_bucket

This is a python callback to add keys into the s3 bucket

Storage


Providers:

Run this DAG

1. Install Astronomer CLISkip if you already have the CLI

2. Initate the project:

3. Copy and paste the code below into a file in the

dags
directory.

4. Add the following to your requirements.txt file:

5. Run the 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.
import os
from airflow.models.dag import DAG
from airflow.operators.python import PythonOperator
from airflow.providers.amazon.aws.hooks.s3 import S3Hook
from airflow.providers.amazon.aws.operators.s3_bucket import S3CreateBucketOperator, S3DeleteBucketOperator
from airflow.utils.dates import days_ago
BUCKET_NAME = os.environ.get('BUCKET_NAME', 'test-airflow-12345')
def upload_keys():
"""This is a python callback to add keys into the s3 bucket"""
# add keys to bucket
s3_hook = S3Hook()
for i in range(0, 3):
s3_hook.load_string(
string_data="input",
key=f"path/data{i}",
bucket_name=BUCKET_NAME,
)
with DAG(
dag_id='s3_bucket_dag',
schedule_interval=None,
start_date=days_ago(2),
max_active_runs=1,
tags=['example'],
) as dag:
# [START howto_operator_s3_bucket]
create_bucket = S3CreateBucketOperator(
task_id='s3_bucket_dag_create',
bucket_name=BUCKET_NAME,
region_name='us-east-1',
)
add_keys_to_bucket = PythonOperator(
task_id="s3_bucket_dag_add_keys_to_bucket", python_callable=upload_keys
)
delete_bucket = S3DeleteBucketOperator(
task_id='s3_bucket_dag_delete',
bucket_name=BUCKET_NAME,
force_delete=True,
)
# [END howto_operator_s3_bucket]
create_bucket >> add_keys_to_bucket >> delete_bucket