这篇文章将为大家详细讲解有关Centos7.0部署openstack环境创建服务时出现500错误怎么办，小编觉得挺实用的，因此分享给大家做个参考，希望大家阅读完这篇文章后可以有所收获。
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在学习过程中，根据官网的install guide 一步步安装，到达
openstack service create --name keystone --description "OpenStack Identity" identityre
这一步时报错。
openstack service create --name keystone --description "OpenStack Identity" identityre--debug
DEBUG: cliff.commandmanager found command 'hypervisor_stats_show'
DEBUG: cliff.commandmanager found command 'security_group_create'
DEBUG: cliff.commandmanager found command 'security_group_rule_list'
DEBUG: cliff.commandmanager found command 'ip_floating_add'
DEBUG: cliff.commandmanager found command 'keypair_list'
DEBUG: cliff.commandmanager found command 'flavor_unset'
DEBUG: cliff.commandmanager found command 'host_show'
DEBUG: cliff.commandmanager found command 'host_list'
DEBUG: cliff.commandmanager found command 'hypervisor_show'
DEBUG: cliff.commandmanager found command 'server_pause'
DEBUG: cliff.commandmanager found command 'server_reboot'
DEBUG: cliff.commandmanager found command 'server_migrate'
DEBUG: cliff.commandmanager found command 'server_set'
DEBUG: cliff.commandmanager found command 'server_add_security_group'
DEBUG: cliff.commandmanager found command 'server_unrescue'
DEBUG: cliff.commandmanager found command 'usage_list'
DEBUG: cliff.commandmanager found command 'keypair_show'
DEBUG: cliff.commandmanager found command 'security_group_set'
DEBUG: cliff.commandmanager found command 'compute_agent_create'
DEBUG: cliff.commandmanager found command 'server_rescue'
DEBUG: cliff.commandmanager found command 'console_log_show'
DEBUG: cliff.commandmanager found command 'compute_agent_delete'
DEBUG: cliff.commandmanager found command 'server_ssh'
DEBUG: cliff.commandmanager found command 'server_lock'
DEBUG: cliff.commandmanager found command 'server_unset'
DEBUG: cliff.commandmanager found command 'server_show'
DEBUG: cliff.commandmanager found command 'server_suspend'
DEBUG: cliff.commandmanager found command 'server_add_volume'
DEBUG: cliff.commandmanager found command 'server_image_create'
DEBUG: cliff.commandmanager found command 'flavor_list'
DEBUG: cliff.commandmanager found command 'server_remove_volume'
DEBUG: cliff.commandmanager found command 'compute_agent_set'
DEBUG: cliff.commandmanager found command 'aggregate_add_host'
DEBUG: cliff.commandmanager found command 'aggregate_remove_host'
DEBUG: cliff.commandmanager found command 'compute_service_set'
DEBUG: cliff.commandmanager found command 'aggregate_create'
DEBUG: cliff.commandmanager found command 'keypair_create'
DEBUG: cliff.commandmanager found command 'ip_floating_list'
DEBUG: cliff.commandmanager found command 'aggregate_delete'
DEBUG: cliff.commandmanager found command 'flavor_set'
DEBUG: cliff.commandmanager found command 'security_group_rule_create'
DEBUG: cliff.commandmanager found command 'security_group_delete'
DEBUG: cliff.commandmanager found command 'server_rebuild'
DEBUG: cliff.commandmanager found command 'flavor_delete'
DEBUG: cliff.commandmanager found command 'server_delete'
DEBUG: cliff.commandmanager found command 'project_usage_list'
DEBUG: cliff.commandmanager found command 'availability_zone_list'
DEBUG: cliff.commandmanager found command 'hypervisor_list'
DEBUG: cliff.commandmanager found command 'flavor_create'
DEBUG: cliff.commandmanager found command 'console_url_show'
DEBUG: cliff.commandmanager found command 'ip_fixed_add'
DEBUG: cliff.commandmanager found command 'server_remove_security_group'
DEBUG: cliff.commandmanager found command 'usage_show'
DEBUG: cliff.commandmanager found command 'compute_agent_list'
DEBUG: cliff.commandmanager found command 'flavor_show'
DEBUG: cliff.commandmanager found command 'ip_fixed_remove'
DEBUG: cliff.commandmanager found command 'ip_floating_create'
DEBUG: cliff.commandmanager found command 'server_list'
DEBUG: cliff.commandmanager found command 'server_create'
DEBUG: cliff.commandmanager found command 'ip_floating_pool_list'
DEBUG: cliff.commandmanager found command 'aggregate_show'
DEBUG: cliff.commandmanager found command 'security_group_show'
DEBUG: cliff.commandmanager found command 'keypair_delete'
DEBUG: cliff.commandmanager found command 'server_resize'
DEBUG: cliff.commandmanager found command 'security_group_rule_delete'
DEBUG: cliff.commandmanager found command 'ip_floating_delete'
DEBUG: cliff.commandmanager found command 'ip_floating_remove'
DEBUG: cliff.commandmanager found command 'security_group_list'
DEBUG: cliff.commandmanager found command 'server_resume'
DEBUG: cliff.commandmanager found command 'aggregate_set'
DEBUG: cliff.commandmanager found command 'aggregate_list'
DEBUG: cliff.commandmanager found command 'server_unpause'
DEBUG: cliff.commandmanager found command 'compute_service_list'
DEBUG: cliff.commandmanager found command 'server_unlock'
DEBUG: openstackclient.shell compute API version 2, cmd group openstack.compute.v2
DEBUG: cliff.commandmanager found command 'network_set'
DEBUG: cliff.commandmanager found command 'network_delete'
DEBUG: cliff.commandmanager found command 'network_list'
DEBUG: cliff.commandmanager found command 'network_show'
DEBUG: cliff.commandmanager found command 'network_create'
DEBUG: openstackclient.shell network API version 2, cmd group openstack.network.v2
DEBUG: cliff.commandmanager found command 'image_set'
DEBUG: cliff.commandmanager found command 'image_delete'
DEBUG: cliff.commandmanager found command 'image_create'
DEBUG: cliff.commandmanager found command 'image_list'
DEBUG: cliff.commandmanager found command 'image_show'
DEBUG: cliff.commandmanager found command 'image_save'
DEBUG: openstackclient.shell image API version 1, cmd group openstack.image.v1
DEBUG: cliff.commandmanager found command 'snapshot_show'
DEBUG: cliff.commandmanager found command 'backup_create'
DEBUG: cliff.commandmanager found command 'volume_list'
DEBUG: cliff.commandmanager found command 'volume_show'
DEBUG: cliff.commandmanager found command 'snapshot_unset'
DEBUG: cliff.commandmanager found command 'volume_set'
DEBUG: cliff.commandmanager found command 'backup_delete'
DEBUG: cliff.commandmanager found command 'volume_create'
DEBUG: cliff.commandmanager found command 'volume_type_list'
DEBUG: cliff.commandmanager found command 'volume_type_create'
DEBUG: cliff.commandmanager found command 'backup_restore'
DEBUG: cliff.commandmanager found command 'backup_list'
DEBUG: cliff.commandmanager found command 'volume_unset'
DEBUG: cliff.commandmanager found command 'backup_show'
DEBUG: cliff.commandmanager found command 'volume_type_delete'
DEBUG: cliff.commandmanager found command 'volume_type_set'
DEBUG: cliff.commandmanager found command 'snapshot_set'
DEBUG: cliff.commandmanager found command 'snapshot_list'
DEBUG: cliff.commandmanager found command 'snapshot_delete'
DEBUG: cliff.commandmanager found command 'volume_delete'
DEBUG: cliff.commandmanager found command 'snapshot_create'
DEBUG: cliff.commandmanager found command 'volume_type_unset'
DEBUG: openstackclient.shell volume API version 1, cmd group openstack.volume.v1
DEBUG: cliff.commandmanager found command 'project_create'
DEBUG: cliff.commandmanager found command 'project_list'
DEBUG: cliff.commandmanager found command 'ec2_credentials_list'
DEBUG: cliff.commandmanager found command 'service_list'
DEBUG: cliff.commandmanager found command 'role_add'
DEBUG: cliff.commandmanager found command 'project_show'
DEBUG: cliff.commandmanager found command 'role_show'
DEBUG: cliff.commandmanager found command 'endpoint_delete'
DEBUG: cliff.commandmanager found command 'project_set'
DEBUG: cliff.commandmanager found command 'service_create'
DEBUG: cliff.commandmanager found command 'service_show'
DEBUG: cliff.commandmanager found command 'endpoint_show'
DEBUG: cliff.commandmanager found command 'ec2_credentials_create'
DEBUG: cliff.commandmanager found command 'catalog_list'
DEBUG: cliff.commandmanager found command 'ec2_credentials_delete'
DEBUG: cliff.commandmanager found command 'service_delete'
DEBUG: cliff.commandmanager found command 'token_issue'
DEBUG: cliff.commandmanager found command 'project_delete'
DEBUG: cliff.commandmanager found command 'endpoint_list'
DEBUG: cliff.commandmanager found command 'role_list'
DEBUG: cliff.commandmanager found command 'user_create'
DEBUG: cliff.commandmanager found command 'user_delete'
DEBUG: cliff.commandmanager found command 'user_show'
DEBUG: cliff.commandmanager found command 'role_create'
DEBUG: cliff.commandmanager found command 'role_remove'
DEBUG: cliff.commandmanager found command 'role_delete'
DEBUG: cliff.commandmanager found command 'catalog_show'
DEBUG: cliff.commandmanager found command 'token_revoke'
DEBUG: cliff.commandmanager found command 'endpoint_create'
DEBUG: cliff.commandmanager found command 'user_role_list'
DEBUG: cliff.commandmanager found command 'user_set'
DEBUG: cliff.commandmanager found command 'user_list'
DEBUG: cliff.commandmanager found command 'ec2_credentials_show'
DEBUG: openstackclient.shell identity API version 2, cmd group openstack.identity.v2
DEBUG: cliff.commandmanager found command 'object_create'
DEBUG: cliff.commandmanager found command 'object_list'
DEBUG: cliff.commandmanager found command 'object_delete'
DEBUG: cliff.commandmanager found command 'container_list'
DEBUG: cliff.commandmanager found command 'object_show'
DEBUG: cliff.commandmanager found command 'container_delete'
DEBUG: cliff.commandmanager found command 'container_create'
DEBUG: cliff.commandmanager found command 'container_show'
DEBUG: cliff.commandmanager found command 'container_save'
DEBUG: cliff.commandmanager found command 'object_save'
DEBUG: openstackclient.shell object_store API version 1, cmd group openstack.object_store.v1
DEBUG: cliff.commandmanager found command 'extension_list'
DEBUG: cliff.commandmanager found command 'quota_set'
DEBUG: cliff.commandmanager found command 'quota_show'
DEBUG: cliff.commandmanager found command 'limits_show'
INFO: openstackclient.shell command: service create -> openstackclient.identity.v2_0.service.CreateService
DEBUG: openstackclient.api.auth Auth plugin token_endpoint selected
DEBUG: openstackclient.api.auth auth_type: token_endpoint
DEBUG: openstackclient.api.auth fetching option os_url
DEBUG: openstackclient.api.auth fetching option os_token
INFO: openstackclient.common.clientmanager Using auth plugin: token_endpoint
DEBUG: openstackclient.common.clientmanager Get auth_ref
DEBUG: openstackclient.identity.v2_0.service.CreateService take_action(Namespace(columns=[], description='OpenStack Identity', formatter='table', max_width=0, name='keystone', noindent=False, prefix='', type=None, type_or_name='identity', variables=[]))
DEBUG: openstackclient.identity.client Instantiating identity client:
DEBUG: keystoneclient.session REQ: curl -g -i -X POST http://controller:35357/v2.0/OS-KSADM/services -H "User-Agent: python-keystoneclient" -H "Content-Type: application/json" -H "Accept: application/json" -H "X-Auth-Token: {SHA1}b587807ea2bc01cb10cc8a3e7669dfc67784e5a6" -d '{"OS-KSADM:service": {"type": "identity", "name": "keystone", "description": "OpenStack Identity"}}'
INFO: requests.packages.urllib3.connectionpool Starting new HTTP connection (1): controller
DEBUG: requests.packages.urllib3.connectionpool "POST /v2.0/OS-KSADM/services HTTP/1.1" 500 527
DEBUG: keystoneclient.session RESP:
DEBUG: keystoneclient.session Request returned failure status: 500
ERROR: openstack Internal Server Error (HTTP 500)
Traceback (most recent call last):
File "/usr/lib/python2.7/site-packages/cliff/app.py", line 374, in run_subcommand
result = cmd.run(parsed_args)
File "/usr/lib/python2.7/site-packages/cliff/display.py", line 92, in run
column_names, data = self.take_action(parsed_args)
File "/usr/lib/python2.7/site-packages/openstackclient/identity/v2_0/service.py", line 88, in take_action
parsed_args.description)
File "/usr/lib/python2.7/site-packages/keystoneclient/v2_0/services.py", line 43, in create
return self._create("/OS-KSADM/services", body, "OS-KSADM:service")
File "/usr/lib/python2.7/site-packages/keystoneclient/base.py", line 151, in _create
return self._post(url, body, response_key, return_raw, **kwargs)
File "/usr/lib/python2.7/site-packages/keystoneclient/base.py", line 165, in _post
resp, body = self.client.post(url, body=body, **kwargs)
File "/usr/lib/python2.7/site-packages/keystoneclient/adapter.py", line 176, in post
return self.request(url, 'POST', **kwargs)
File "/usr/lib/python2.7/site-packages/keystoneclient/adapter.py", line 206, in request
resp = super(LegacyJsonAdapter, self).request(*args, **kwargs)
File "/usr/lib/python2.7/site-packages/keystoneclient/adapter.py", line 95, in request
return self.session.request(url, method, **kwargs)
File "/usr/lib/python2.7/site-packages/keystoneclient/utils.py", line 318, in inner
return func(*args, **kwargs)
File "/usr/lib/python2.7/site-packages/keystoneclient/session.py", line 397, in request
raise exceptions.from_response(resp, method, url)
InternalServerError: Internal Server Error (HTTP 500)
DEBUG: openstackclient.shell clean_up CreateService
DEBUG: openstackclient.shell got an error: Internal Server Error (HTTP 500)
ERROR: openstackclient.shell Traceback (most recent call last):
File "/usr/lib/python2.7/site-packages/openstackclient/shell.py", line 176, in run
return super(OpenStackShell, self).run(argv)
File "/usr/lib/python2.7/site-packages/cliff/app.py", line 255, in run
result = self.run_subcommand(remainder)
File "/usr/lib/python2.7/site-packages/cliff/app.py", line 374, in run_subcommand
result = cmd.run(parsed_args)
File "/usr/lib/python2.7/site-packages/cliff/display.py", line 92, in run
column_names, data = self.take_action(parsed_args)
File "/usr/lib/python2.7/site-packages/openstackclient/identity/v2_0/service.py", line 88, in take_action
parsed_args.description)
File "/usr/lib/python2.7/site-packages/keystoneclient/v2_0/services.py", line 43, in create
return self._create("/OS-KSADM/services", body, "OS-KSADM:service")
File "/usr/lib/python2.7/site-packages/keystoneclient/base.py", line 151, in _create
return self._post(url, body, response_key, return_raw, **kwargs)
File "/usr/lib/python2.7/site-packages/keystoneclient/base.py", line 165, in _post
resp, body = self.client.post(url, body=body, **kwargs)
File "/usr/lib/python2.7/site-packages/keystoneclient/adapter.py", line 176, in post
return self.request(url, 'POST', **kwargs)
File "/usr/lib/python2.7/site-packages/keystoneclient/adapter.py", line 206, in request
resp = super(LegacyJsonAdapter, self).request(*args, **kwargs)
File "/usr/lib/python2.7/site-packages/keystoneclient/adapter.py", line 95, in request
return self.session.request(url, method, **kwargs)
File "/usr/lib/python2.7/site-packages/keystoneclient/utils.py", line 318, in inner
return func(*args, **kwargs)
File "/usr/lib/python2.7/site-packages/keystoneclient/session.py", line 397, in request
raise exceptions.from_response(resp, method, url)
InternalServerError: Internal Server Error (HTTP 500)
查了很多资料，以为自己的配置文件设置出现问题，重装了两次系统。最后发现可能是apache和keystone占用了同一端口（官网手顺的bug？）。
ps：其实前面也出现了apache和keystone无法restart的现象，但没有影响到进程， 所以就没有过多关注。
systemctl stop httpd.service
关闭apache服务
systemctl restart openstack-keystone.service
重启keystone服务
再来
openstack service create --name keystone --description "OpenStack Identity" identity
+-------------+----------------------------------+
| Field | Value |
+-------------+----------------------------------+
| description | OpenStack Identity |
| enabled | True |
| id | 3d5eea8fdd364986bcdba6352a74c9b0 |
| name | keystone |
| type | identity |
+-------------+----------------------------------+
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