Airflow URI Format

The Uniform Resource Identifier (URI) definition for Airflow follows this standard:

Identifier Fragments

• Namespace: airflow://{host}:{port}
  • Scheme = airflow
  • Authority = {host}:{port}
• Unique name:
  • For a directed acyclic graph (DAG): {dagName}
  • For a task: {dagName}.{taskName}

Asset URI Format

• For a DAG: airflow://{host}:{port}/{dagName}
• For a task: airflow://{host}:{port}/{dagName}.{taskName}

Instance URI Format

• airflow://{host}:{port}

Parameter Limitations

• host must start with a lowercase letter and include only lowercase letters, numbers, dash and dot (regex: [a-z][a-z0-9-.]+)
• port must include only numbers
• dagName and taskName must include only lowercase letters, uppercase letters, numbers, underscore, dot and dash (regex: [a-zA-Z0-9_.-]+)

Asset Examples

• airflow://sifflet-ec2.eu-west-1:3333/DAG-ID.TASK-ID
• airflow://airflow.example.com:8080/my-dag

Instance Examples

• airflow://sifflet-ec2.eu-west-1:3333
• airflow://airflow.example.com:8080