Source code for airflow.secrets.environment_variables

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"""Objects relating to sourcing connections from environment variables"""

import os
from typing import Optional

from airflow.secrets import BaseSecretsBackend

[docs]CONN_ENV_PREFIX = "AIRFLOW_CONN_"
[docs]VAR_ENV_PREFIX = "AIRFLOW_VAR_"
[docs]class EnvironmentVariablesBackend(BaseSecretsBackend): """Retrieves Connection object and Variable from environment variable."""
[docs] def get_conn_uri(self, conn_id: str) -> Optional[str]: environment_uri = os.environ.get(CONN_ENV_PREFIX + conn_id.upper()) return environment_uri
[docs] def get_variable(self, key: str) -> Optional[str]: """ Get Airflow Variable from Environment Variable :param key: Variable Key :type key: str :return: Variable Value """ return os.environ.get(VAR_ENV_PREFIX + key.upper())

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