def confirm_connections_work()

in postgresql_metrics/metrics_logic.py [0:0]

• 10 lines of code
• 3 McCabe index (conditional complexity)

def confirm_connections_work(conf, db_connections):
    """Call this to confirm that all connections are still alive before using them.
    Will recreate any closed connections."""
    confirmed_connections = []
    for db_connection in db_connections:
        if db_connection.closed:
            db_name = get_db_name_from_connection(db_connection)
            LOG.warn("database connection is closed to db '{}', reconnecting", db_name)
            confirmed_connections.append(connect_to_single_db_with_conf(conf, db_name))
        else:
            confirmed_connections.append(db_connection)
    return confirmed_connections