gistfile1.txt

(py27)[markmc@sorcha oslo.config]$ cat t.py


from oslo.config import cfg

cfg.CONF.register_opt(cfg.StrOpt('connection',
                                 deprecated_name='sql_connection'),
                      group='database')

cfg.CONF()
print cfg.CONF.database.connection

(py27)[markmc@sorcha oslo.config]$ cat t.conf
[database]
connection = foo

[database]
connection = bar

(py27)[markmc@sorcha oslo.config]$ python t.py --config-file t.conf
bar

(py27)[markmc@sorcha oslo.config]$ cat t1.conf
[database]
connection = foo

[database]
sql_connection = bar

(py27)[markmc@sorcha oslo.config]$ python t.py --config-file t1.conf
foo

(py27)[markmc@sorcha oslo.config]$ cat t2.conf
[database]
sql_connection = foo

[database]
connection = bar

(py27)[markmc@sorcha oslo.config]$ python t.py --config-file t2.conf
bar

(py27)[markmc@sorcha oslo.config]$ python t.py --config-file t1.conf --config-file s.conf
blaa
(py27)[markmc@sorcha oslo.config]$ cat s.conf
[database]
sql_connection = blaa