Created
November 6, 2023 19:48
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audio_streaming_dag.py
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from datetime import datetime | |
from airflow import DAG | |
import importlib | |
import os | |
# Define default arguments for the DAG | |
default_args = { | |
'owner': 'airflow', | |
'start_date': datetime(2023, 1, 1), | |
'retries': 1, | |
'logging_level': 'INFO' | |
} | |
# Create the DAG with the specified default arguments | |
with DAG('music_generation_dag', default_args=default_args, default_view="graph", schedule_interval=None, catchup=False) as dag: | |
# Import the necessary operators from external modules | |
operators_module = importlib.import_module('operators.generate_melody_operator') | |
GenerateMelodyOperator = operators_module.GenerateMelodyOperator | |
operators_module = importlib.import_module('operators.generate_voice_operator') | |
GenerateVoiceOperator = operators_module.GenerateVoiceOperator | |
operators_module = importlib.import_module('operators.generate_song_operator') | |
GenerateSongOperator = operators_module.GenerateSongOperator | |
operators_module = importlib.import_module('operators.generate_song_cover_operator') | |
GenerateSongCoverOperator = operators_module.GenerateSongCoverOperator | |
operators_module = importlib.import_module('operators.index_to_elasticsearch_operator') | |
IndexToElasticsearchOperator = operators_module.IndexToElasticsearchOperator | |
# Define the tasks for each operator | |
generate_melody_task = GenerateMelodyOperator( | |
task_id='generate_melody_task', | |
mongo_uri=os.environ.get("MONGO_URI"), | |
mongo_db=os.environ.get("MONGO_DB"), | |
mongo_db_collection=os.environ.get("MONGO_DB_COLLECTION"), | |
minio_endpoint=os.environ.get("MINIO_ENDPOINT"), | |
minio_access_key=os.environ.get("MINIO_ACCESS_KEY"), | |
minio_secret_key=os.environ.get("MINIO_SECRET_KEY"), | |
minio_bucket_name=os.environ.get("MINIO_BUCKET_NAME") | |
) | |
generate_voice_task = GenerateVoiceOperator( | |
task_id='generate_voice_task', | |
mongo_uri=os.environ.get("MONGO_URI"), | |
mongo_db=os.environ.get("MONGO_DB"), | |
mongo_db_collection=os.environ.get("MONGO_DB_COLLECTION"), | |
minio_endpoint=os.environ.get("MINIO_ENDPOINT"), | |
minio_access_key=os.environ.get("MINIO_ACCESS_KEY"), | |
minio_secret_key=os.environ.get("MINIO_SECRET_KEY"), | |
minio_bucket_name=os.environ.get("MINIO_BUCKET_NAME") | |
) | |
generate_song_task = GenerateSongOperator( | |
task_id='generate_song_task', | |
mongo_uri=os.environ.get("MONGO_URI"), | |
mongo_db=os.environ.get("MONGO_DB"), | |
mongo_db_collection=os.environ.get("MONGO_DB_COLLECTION"), | |
minio_endpoint=os.environ.get("MINIO_ENDPOINT"), | |
minio_access_key=os.environ.get("MINIO_ACCESS_KEY"), | |
minio_secret_key=os.environ.get("MINIO_SECRET_KEY"), | |
minio_bucket_name=os.environ.get("MINIO_BUCKET_NAME") | |
) | |
generate_song_cover_operator = GenerateSongCoverOperator( | |
task_id='generate_song_cover_operator', | |
mongo_uri=os.environ.get("MONGO_URI"), | |
mongo_db=os.environ.get("MONGO_DB"), | |
mongo_db_collection=os.environ.get("MONGO_DB_COLLECTION"), | |
minio_endpoint=os.environ.get("MINIO_ENDPOINT"), | |
minio_access_key=os.environ.get("MINIO_ACCESS_KEY"), | |
minio_secret_key=os.environ.get("MINIO_SECRET_KEY"), | |
minio_bucket_name=os.environ.get("MINIO_BUCKET_NAME") | |
) | |
index_to_elasticsearch_operator = IndexToElasticsearchOperator( | |
task_id='index_to_elasticsearch_operator', | |
mongo_uri=os.environ.get("MONGO_URI"), | |
mongo_db=os.environ.get("MONGO_DB"), | |
mongo_db_collection=os.environ.get("MONGO_DB_COLLECTION"), | |
minio_endpoint=os.environ.get("MINIO_ENDPOINT"), | |
minio_access_key=os.environ.get("MINIO_ACCESS_KEY"), | |
minio_secret_key=os.environ.get("MINIO_SECRET_KEY"), | |
minio_bucket_name=os.environ.get("MINIO_BUCKET_NAME"), | |
elasticsearch_host=os.environ.get("ELASTICSEARCH_HOST"), | |
elasticsearch_index=os.environ.get("ELASTICSEARCH_INDEX") | |
) | |
# Define task dependencies by chaining the tasks in sequence | |
generate_melody_task >> generate_voice_task >> generate_song_task >> generate_song_cover_operator >> index_to_elasticsearch_operator |
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