最后出现错误：
2019-12-20 17:07:40,622 INFO:
2019-12-20 17:07:40,623 INFO: [2019-12-20 17:07:40,621] (os-refresh-config) [ERROR] Aborting...
2019-12-20 17:07:40,641 DEBUG: An exception occurred
Traceback (most recent call last):
File "/usr/lib/python2.7/site-packages/instack_undercloud/undercloud.py", line 2441, in install
_run_orc(instack_env)
File "/usr/lib/python2.7/site-packages/instack_undercloud/undercloud.py", line 1618, in _run_orc
_run_live_command(args, instack_env, 'os-refresh-config')
File "/usr/lib/python2.7/site-packages/instack_undercloud/undercloud.py", line 675, in _run_live_command
raise RuntimeError('%s failed. See log for details.' % name)
RuntimeError: os-refresh-config failed. See log for details.
2019-12-20 17:07:40,643 ERROR:
#############################################################################
Undercloud upgrade failed.
Reason: os-refresh-config failed. See log for details.
在查看日志时，我发现有一个警告：
Warning: ModuleLoader: module 'openstacklib' has unresolved dependencies - it will only see those that are resolved. Use 'puppet module list --tree' to see information about modules.
当我运行'puppet module list --tree'时，似乎有很多'Unmet Dependencies'。我尝试使用'puppet module install'命令手动安装其中之一，但似乎仍然存在依赖性。
要使undercloud升级正常工作还需要做其他事情吗？