title: Envrypt sql_alchemy_conn in airflow config file (ansible)
body: <p>Is there a way to encrypt the airflow config file sql_alchemy_conn string , the password shown in example is plaintext . What options are there to secure it. Also if the password has special chars how it must be escaped in the config file </p>
  
  <p>Trying to install airflow using airflow role. </p>
  
  <p># See: <a href="https://www.sqlalchemy.org/" rel="nofollow noreferrer">https://www.sqlalchemy.org/</a>
    sql_alchemy_conn:
       value: "postgresql+psycopg2://pgclusteradm@servername:PLAINTEXTPASSWORD@server.postgres.database.azure.com/airflow2"</p>
  
  <p>Way to encrypt password, couldn't find how to encrypt this.</p>