14. 다시 컴퓨트 노드로 돌아와 /var/log/nova/nova-compute.log 파일을 확인합니다. 파일 내용을 자세히 보니 Keystone과 관련된 문제가 있고, 패스워드를 생성할 때 인증 서비스에 실패했다는 메시지가 있습니다. 영어로 된 오류 메시지를 전부 해석할 수는 없지만, 우리가 아는 특정 단어만으로도 오류 원인을 쉽게 찾을 수 있습니다.
[root@compute ~]# tail -f /var/log/nova/nova-compute.log 2016-07-23 02:47:54.730 3294 WARNING keystoneauth.identity.generic.base [req- 56830f67-1b9f-4e0b-b4c4-5c5aa3fd3f8c 8aedf79007d64d028cad6fdb49b66a9f 0609d579 7b114c8583793a4b77824692 - - -] Discovering versions from the identity service failed when creating the password plugin. Attempting to determine version from URL. 2016-07-23 02:47:54.731 3294 ERROR nova.compute.manager [req-56830f67-1b9f- 4e0b-b4c4-5c5aa3fd3f8c 8aedf79007d64d028cad6fdb49b66a9f 0609d5797b114c8583793a 4b77824692 - - -] Instance failed network setup after 1 attempt(s) 2016-07-23 02:47:54.731 3294 ERROR nova.compute.manager Traceback (most recent call last): 2016-07-23 02:47:54.731 3294 ERROR nova.compute.manager File “/usr/lib/ python2.7/site-packages/nova/compute/manager.py”, line 1570, in allocate network_async 2016-07-23 02:47:54.731 3294 ERROR nova.compute.manager bind_hostid=bind hostid) 2016-07-23 02:47:54.731 3294 ERROR nova.compute.manager File “/usr/lib/ python2.7/site-packages/nova/network/neutronv2/api.py”, line 668, in allocate for_instance … 2016-07-23 02:47:54.731 3294 ERROR nova.compute.manager File “/usr/lib/ python2.7/site-packages/keystoneauth1/identity/generic/base.py”, line 174, in _ do_create_plugin 2016-07-23 02:47:54.731 3294 ERROR nova.compute.manager raise exceptions. DiscoveryFailure(‘Could not determine a suitable URL ‘ 2016-07-23 02:47:54.731 3294 ERROR nova.compute.manager DiscoveryFailure: Could not determine a suitable URL for the plugin 2016-07-23 02:47:54.731 3294 ERROR nova.compute.manager