AWS SSM Parameter Store Secrets Backend¶

To enable SSM parameter store, specify SystemsManagerParameterStoreBackend as the backend in [secrets] section of airflow.cfg.

Here is a sample configuration:

[secrets]
backend = airflow.providers.amazon.aws.secrets.systems_manager.SystemsManagerParameterStoreBackend
backend_kwargs = {"connections_prefix": "/airflow/connections", "variables_prefix": "/airflow/variables", "profile_name": "default"}

Optional lookup¶

Optionally connections, variables, or config may be looked up exclusive of each other or in any combination. This will prevent requests being sent to AWS SSM Parameter Store for the excluded type.

If you want to look up some and not others in AWS SSM Parameter Store you may do so by setting the relevant *_prefix parameter of the ones to be excluded as null.

For example, if you want to set parameter connections_prefix to "/airflow/connections" and not look up variables, your configuration file should look like this:

[secrets]
backend = airflow.providers.amazon.aws.secrets.systems_manager.SystemsManagerParameterStoreBackend
backend_kwargs = {"connections_prefix": "/airflow/connections", "variables_prefix": null, "profile_name": "default"}

Storing and Retrieving Connections¶

If you have set connections_prefix as /airflow/connections, then for a connection id of smtp_default, you would want to store your connection at /airflow/connections/smtp_default.

Optionally you can supply a profile name to reference aws profile, e.g. defined in ~/.aws/config.

The value of the SSM parameter must be the connection URI representation of the connection object.

Storing and Retrieving Variables¶

If you have set variables_prefix as /airflow/variables, then for an Variable key of hello, you would want to store your Variable at /airflow/variables/hello.

Optionally you can supply a profile name to reference aws profile, e.g. defined in ~/.aws/config.