We are using MariaDB database for ironic so we need to install
the optional PyMySQL dependency for sqlalchemy on all distributions
otherwise ironic-dbsync fails with the following error:
CRITI [ironic] ImportError: No module named pymysql
Traceback (most recent call last):
File "/usr/bin/ironic-dbsync", line 10, in <module>
sys.exit(main())
File "/usr/lib/python2.7/site-packages/ironic/cmd/dbsync.py", line 103, in main
CONF.command.func()
File "/usr/lib/python2.7/site-packages/ironic/cmd/dbsync.py", line 35, in upgrade
migration.upgrade(CONF.command.revision)
File "/usr/lib/python2.7/site-packages/ironic/db/migration.py", line 36, in upgrade
return get_backend().upgrade(version)
File "/usr/lib/python2.7/site-packages/ironic/db/sqlalchemy/migration.py", line 56, in upgrade
alembic.command.upgrade(config, revision or 'head')
[...]
File "/usr/lib64/python2.7/site-packages/sqlalchemy/dialects/mysql/pymysql.py", line 49, in dbapi
return __import__('pymysql')
ImportError: No module named pymysql
Change-Id: Ib44779de06a7bad91a08e148e1c0e1eb9815afe8
952e99cb6b