shixiong/okd @ 5c8ab247d352723b3c0199a8415a20dfe9b7820f

Scott Dodson 2594364683 Merge pull request #2211 from dgoodwin/33-upgrade-playbook		%!s(int64=8) %!d(string=hai) anos
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delegated_serial_command.py	dbb140a649 Refactor etcd certificates roles.	%!s(int64=8) %!d(string=hai) anos
modify_yaml.py	f28826b474 Fixed a bug in modify_yaml module.	%!s(int64=8) %!d(string=hai) anos
rpm_q.py	f834279d50 make rpm-q module pylint warning-free	%!s(int64=8) %!d(string=hai) anos