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dag_id: first_dag # This is the unique identifier for the DAG. schedule: "0 0 * * *" # This specifies the schedule for the DAG using a cron expression (runs daily at midnight). tasks: # This is the list of tasks in the DAG. - task_id: my_task # This is the unique identifier for the task. operator: bash_operator # This specifies the type of operator to use (in this case, a BashOperator). bash_command: "echo Welcome to the World of Astro!" # This is the command that will be run by the BashOperator.
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from airflow import DAG # Importing DAG class from Airflow from airflow.operators.bash_operator import BashOperator # Importing BashOperator class from datetime import datetime, timedelta # Importing datetime and timedelta classes default_args = { 'owner': 'airflow', # Owner of the DAG 'depends_on_past': False, # DAG run does not depend on the previous run 'start_date': datetime(2023, 1, 1), # Start date of the DAG 'retries': 1, # Number of retries in case of failure 'retry_delay': timedelta(minutes=5), # Delay between retries } dag = DAG('first_dag', default_args=default_args, schedule_interval='0 0 * * *') # Defining the DAG task_1 = BashOperator( task_id='task_1', # Unique identifier for the task bash_command='echo "Welcome to the World of Airflow!"', # Bash command to be executed dag=dag, # DAG to which this task belongs )
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