Error finding address for http://controller:9292/v2/images?limit=20&sort_key=name& Unable to establish connection to http://controller:9292/v2/images?limit=20&sort_key=name& HTTPConnectionPool(host='controller', port=9292): Max retries exceeded with url: /v2/images?limit=20&sort_key=name&sort_dir=asc (Caused by NewConnectionError('<urllib3.connection.HTTPConnection object at 0x7fbbaa3e9100>: Failed to establish a new connection: [Errno 111] Connection refused')) 连接不上，是什么原因

Victoria-->Ubuntu 20.04 LTS Stein, Rocky, Queens-> Ubuntu 18.04 LTS Pike --> Ubuntu 16.04 LTS

log文件如下： 其中有一行错误\xe5\x9c\xa8keystone\xe4\xb8\xad\xe6\x97\xa0\xe6\xb3\x95\xe6\x89\xbe\xe5\x88\xb0\xe9\xbb\x98\xe8\xae\xa4\xe8\xa7\x92\xe8\x89\xb2"_member_"译码出来是在keystone中无法找到默认角色 参考网上教程解决(https://bugs.launchpad.net/horizon/+bug/1518453) 具体解决方法如下：

[Wed Jun 02 01:42:41.132517 2021] [wsgi:error] [pid 94446:tid 140098189674240] [remote 192.168.37.1:52157] INFO openstack_auth.forms Login failed for user "admin" using domain "Default", remote address 192.168.37.1. [Wed Jun 02 01:42:42.263125 2021] [wsgi:error] [pid 94445:tid 140098189674240] /usr/lib/python3.8/warnings.py:30: DeprecationWarning: PY_SSIZE_T_CLEAN will be required for '#' formats [Wed Jun 02 01:42:42.263154 2021] [wsgi:error] [pid 94445:tid 140098189674240] file.write(text) [Wed Jun 02 01:42:42.263158 2021] [wsgi:error] [pid 94445:tid 14009818967424

openstack network agent list命令发现Linux bridge agent没启动 查看/var/log/neutron/neutron-linuxbridge-agent.log 2021-05-31 14:58:49.564 174445 INFO neutron.common.config [-] Logging enabled! 2021-05-31 14:58:49.564 174445 INFO neutron.common.config [-] /usr/bin/neutron-linuxbridge-agent version 17.1.1 2021-05-31 14:58:49.569 174445 INFO neutron.plugins.ml2.drivers.linuxbridge.agent.linuxbridge_neutron_agent [-] Interface mappings: {} 2021-05-31 14:58:49.569 174445 INFO neutron.plugins.ml2.drivers.linuxbridge.agent.linuxbridge_neutron_agent [-] Bridge mappings: {} 2021-05-31 14:58:49.5

placement服务验证时提示错误： zx@openstack2:~$ placement-status upgrade check Traceback (most recent call last): File "/usr/bin/placement-status", line 10, in <module> sys.exit(main()) File "/usr/lib/python3/dist-packages/placement/cmd/status.py", line 123, in main config(args=sys.argv[1:], project='placement') File "/usr/lib/python3/dist-packages/oslo_config/cfg.py", line 2141, in __call__ self._check_required_opts() File "/usr/lib/python3/dist-packages/oslo_config/cfg.py", line 2884, in _check_required_opts raise RequiredOptErro

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