我试图在CentOS 7中使用Devstack安装OpenStack，我使用以下文档作为指南，但是遇到显示的错误。这是运行./stack.sh.Im运行./clean时的输出。 sh和./unstack.sh，然后再运行./stack.sh。
Obtaining file:///opt/stack/keystone
Complete output from command python setup.py egg_info:
ERROR:root:Error parsing
Traceback (most recent call last):
File "/usr/lib/python2.7/site-packages/pbr/core.py", line 96, in pbr
attrs = util.cfg_to_args(path, dist.script_args)
File "/usr/lib/python2.7/site-packages/pbr/util.py", line 259, in cfg_to_args
pbr.hooks.setup_hook(config)
File "/usr/lib/python2.7/site-packages/pbr/hooks/__init__.py", line 25, in setup_hook
metadata_config.run()
File "/usr/lib/python2.7/site-packages/pbr/hooks/base.py", line 27, in run
self.hook()
File "/usr/lib/python2.7/site-packages/pbr/hooks/metadata.py", line 26, in hook
self.config['name'], self.config.get('version', None))
File "/usr/lib/python2.7/site-packages/pbr/packaging.py", line 839, in get_version
name=package_name))
Exception: Versioning for this project requires either an sdist tarball, or access to an upstream git repository. It's also possible that there is a mismatch between the package name in setup.cfg and the argument given to pbr.version.VersionInfo. Project name keystone was given, but was not able to be found.
error in setup command: Error parsing /opt/stack/keystone/setup.cfg: Exception: Versioning for this project requires either an sdist tarball, or access to an upstream git repository. It's also possible that there is a mismatch between the package name in setup.cfg and the argument given to pbr.version.VersionInfo. Project name keystone was given, but was not able to be found.
----------------------------------------
Command "python setup.py egg_info" failed with error code 1 in /opt/stack/keystone/
You are using pip version 9.0.3, however version 18.1 is available.
You should consider upgrading via the 'pip install --upgrade pip' command.
+inc/python:pip_install:1 exit_trap
+./stack.sh:exit_trap:515 local r=1
++./stack.sh:exit_trap:516 jobs -p
+./stack.sh:exit_trap:516 jobs=
+./stack.sh:exit_trap:519 [[ -n '' ]]
+./stack.sh:exit_trap:525 '[' -f '' ']'
+./stack.sh:exit_trap:530 kill_spinner
+./stack.sh:kill_spinner:425 '[' '!' -z '' ']'
+./stack.sh:exit_trap:532 [[ 1 -ne 0 ]]
+./stack.sh:exit_trap:533 echo 'Error on exit'
Error on exit
+./stack.sh:exit_trap:535 type -p generate-subunit
+./stack.sh:exit_trap:536 generate-subunit 1545131409 150 fail
+./stack.sh:exit_trap:538 [[ -z /opt/stack/logs ]]
+./stack.sh:exit_trap:541 /opt/stack/devstack/tools/worlddump.py -d /opt/stack/logs
World dumping... see /opt/stack/logs/worlddump-2018-12-18-111239.txt for details
+./stack.sh:exit_trap:550 exit 1