Wrong information
ClientException: Unknown Error (HTTP 503) (Request-ID: req-c9ec29c6-cca5-4edc-9828-cd6494d2d36b) ERROR (ClientException): Unknown Error (HTTP 503) (Request-ID: req-c9ec29c6-cca5-4edc-9828-cd6494d2d36b)
Use debug to view the error message:
nova --debug list
DEBUG (extension:157) found extension EntryPoint.parse('v2token = keystoneauth1.loading._plugins.identity.v2:Token')
DEBUG (extension:157) found extension EntryPoint.parse('admin_token = keystoneauth1.loading._plugins.admin_token:AdminToken')
DEBUG (extension:157) found extension EntryPoint.parse('v3oidcauthcode = keystoneauth1.loading._plugins.identity.v3:OpenIDConnectAuthorizationCode')
DEBUG (extension:157) found extension EntryPoint.parse('v2password = keystoneauth1.loading._plugins.identity.v2:Password')
DEBUG (extension:157) found extension EntryPoint.parse('v3password = keystoneauth1.loading._plugins.identity.v3:Password')
DEBUG (extension:157) found extension EntryPoint.parse('v3oidcpassword = keystoneauth1.loading._plugins.identity.v3:OpenIDConnectPassword')
DEBUG (extension:157) found extension EntryPoint.parse('token = keystoneauth1.loading._plugins.identity.generic:Token')
DEBUG (extension:157) found extension EntryPoint.parse('v3token = keystoneauth1.loading._plugins.identity.v3:Token')
DEBUG (extension:157) found extension EntryPoint.parse('password = keystoneauth1.loading._plugins.identity.generic:Password')
DEBUG (extension:157) found extension EntryPoint.parse('password-ceilometer-legacy = ceilometer.keystone_client:LegacyCeilometerKeystoneLoader')
DEBUG (extension:157) found extension EntryPoint.parse('gnocchi-noauth = gnocchiclient.noauth:GnocchiNoAuthLoader')
DEBUG (extension:157) found extension EntryPoint.parse('password-aodh-legacy = aodh.keystone_client:LegacyAodhKeystoneLoader')
DEBUG (session:248) REQ: curl -g -i -X GET http://xiandian:35357/v3 -H "Accept: application/json" -H "User-Agent: keystoneauth1/2.4.1 python-requests/2.10.0 CPython/2.7.5"
INFO (connectionpool:213) Starting new HTTP connection (1): xiandian
DEBUG (connectionpool:395) "GET /v3 HTTP/1.1" 200 248
DEBUG (session:277) RESP: [200] Date: Mon, 15 Apr 2019 21:20:09 GMT Server: Apache/2.4.6 (CentOS) mod_wsgi/3.4 Python/2.7.5 Vary: X-Auth-Token x-openstack-request-id: req-3880cf1c-1b66-4979-8f4f-97f124c3309a Content-Length: 248 Keep-Alive: timeout=5, max=100 Connection: Keep-Alive Content-Type: application/json
RESP BODY: {"version": {"status": "stable", "updated": "2016-04-04T00:00:00Z", "media-types": [{"base": "application/json", "type": "application/vnd.openstack.identity-v3+json"}], "id": "v3.6", "links": [{"href": "http://xiandian:35357/v3/", "rel": "self"}]}}
DEBUG (base:165) Making authentication request to http://xiandian:35357/v3/auth/tokens
DEBUG (connectionpool:395) "POST /v3/auth/tokens HTTP/1.1" 201 7023
DEBUG (session:248) REQ: curl -g -i -X GET http://xiandian:8774/v2.1/0ab2dbde4f754b699e22461426cd0774 -H "User-Agent: python-novaclient" -H "Accept: application/json" -H "X-Auth-Token: {SHA1}7bb47d571e5919ede7d56311cdcbff92b2836852"
INFO (connectionpool:213) Starting new HTTP connection (1): xiandian
DEBUG (connectionpool:395) "GET /v2.1/0ab2dbde4f754b699e22461426cd0774 HTTP/1.1" 503 100
DEBUG (session:277) RESP: [503] Content-Length: 100 Content-Type: text/plain; charset=UTF-8 X-Compute-Request-Id: req-c9ec29c6-cca5-4edc-9828-cd6494d2d36b Date: Mon, 15 Apr 2019 21:20:10 GMT Connection: keep-alive
RESP BODY: 503 Service Unavailable**
The server is currently unavailable. Please try again at a later time.
DEBUG (shell:1082) Unknown Error (HTTP 503) (Request-ID: req-c9ec29c6-cca5-4edc-9828-cd6494d2d36b)
Traceback (most recent call last):
File "/usr/lib/python2.7/site-packages/novaclient/shell.py", line 1080, in main
OpenStackComputeShell().main(argv)
File "/usr/lib/python2.7/site-packages/novaclient/shell.py", line 914, in main
api_version = api_versions.discover_version(self.cs, api_version)
File "/usr/lib/python2.7/site-packages/novaclient/api_versions.py", line 267, in discover_version
client)
File "/usr/lib/python2.7/site-packages/novaclient/api_versions.py", line 248, in _get_server_version_range
version = client.versions.get_current()
File "/usr/lib/python2.7/site-packages/novaclient/v2/versions.py", line 84, in get_current
return self._get_current()
File "/usr/lib/python2.7/site-packages/novaclient/v2/versions.py", line 57, in _get_current
return self._get(url, "version")
File "/usr/lib/python2.7/site-packages/novaclient/base.py", line 339, in _get
resp, body = self.api.client.get(url)
File "/usr/lib/python2.7/site-packages/keystoneauth1/adapter.py", line 173, in get
return self.request(url, 'GET', **kwargs)
File "/usr/lib/python2.7/site-packages/novaclient/client.py", line 94, in request
raise exceptions.from_response(resp, body, url, method)
ClientException: Unknown Error (HTTP 503) (Request-ID: req-c9ec29c6-cca5-4edc-9828-cd6494d2d36b)
ERROR (ClientException): Unknown Error (HTTP 503) (Request-ID: req-c9ec29c6-cca5-4edc-9828-cd6494d2d36b)The information returned by the above debug is that there was an error when requesting the version information from nova. 503 error was returned. Go to the nova API log
2019-04-15 20:59:05.548 2053 CRITICAL keystonemiddleware.auth_token [-] Unable to validate token: Identity server rejected authorization necessary to fetch token data
2019-04-15 20:59:05.549 2053 INFO nova.osapi_compute.wsgi.server [-] 127.0.0.1 "GET /v2.1/20b1ab08ea644670addb52f6d2f2ed61/servers/detail?all_tenants=True HTTP/1.1" status: 503 len: 323 time: 0.1430879
2019-04-15 21:04:42.036 2052 WARNING keystonemiddleware.auth_token [-] Identity response: {"error": {"message": "The request you have made requires authentication.", "code": 401, "title": "Unauthorized"}}
2019-04-15 21:04:42.135 2052 WARNING keystonemiddleware.auth_token [-] Identity response: {"error": {"message": "The request you have made requires authentication.", "code": 401, "title": "Unauthorized"}}
2019-04-15 21:04:42.135 2052 CRITICAL keystonemiddleware.auth_token [-] Unable to validate token: Identity server rejected authorization necessary to fetch token data
2019-04-15 21:04:42.169 2052 INFO nova.osapi_compute.wsgi.server [-] 127.0.0.1 "GET /v2.1/0ab2dbde4f754b699e22461426cd0774 HTTP/1.1" status: 503 len: 323 time: 0.2380521
2019-04-15 21:04:46.165 2052 WARNING keystonemiddleware.auth_token [-] Identity response: {"error": {"message": "The request you have made requires authentication.", "code": 401, "title": "Unauthorized"}}
2019-04-15 21:04:46.270 2052 WARNING keystonemiddleware.auth_token [-] Identity response: {"error": {"message": "The request you have made requires authentication.", "code": 401, "title": "Unauthorized"}}
2019-04-15 21:04:46.270 2052 CRITICAL keystonemiddleware.auth_token [-] Unable to validate token: Identity server rejected authorization necessary to fetch token data
2019-04-15 21:04:46.280 2052 INFO nova.osapi_compute.wsgi.server [-] 127.0.0.1 "GET /v2.1/0ab2dbde4f754b699e22461426cd0774 HTTP/1.1" status: 503 len: 323 time: 0.2405150
2019-04-15 21:04:55.699 2052 WARNING keystonemiddleware.auth_token [-] Identity response: {"error": {"message": "The request you have made requires authentication.", "code": 401, "title": "Unauthorized"}}
2019-04-15 21:04:55.752 2052 WARNING keystonemiddleware.auth_token [-] Identity response: {"error": {"message": "The request you have made requires authentication.", "code": 401, "title": "Unauthorized"}}
2019-04-15 21:04:55.752 2052 CRITICAL keystonemiddleware.auth_token [-] Unable to validate token: Identity server rejected authorization necessary to fetch token data
2019-04-15 21:04:55.753 2052 INFO nova.osapi_compute.wsgi.server [-] 127.0.0.1 "GET /v2.1/0ab2dbde4f754b699e22461426cd0774 HTTP/1.1" status: 503 len: 323 time: 0.1294382It can be seen that keystone middleware.auth'token [-] identity response: {"error": {"message": "the request you have made requirements authentication.", "code": 401, "title": "unauthorized"}}}}
When Nova verifies the token carried in the novaclient with keystone, an Unauthorized error occurs. First, check whether there are problems with the project name, username and password in the keystone uuuthttoken section of the nova.conf file. If there are no problems, try changing the password of the Nova user to the Nova configuration file. The password you fill in is consistent
[keystone_authtoken] slo_messaging_rabbit / auth_uri = http://controller:5000 auth_url = http://controller:35357 memcached_servers = controller:11211 auth_type = password project_domain_name = demo user_domain_name = demo project_name = service username = nova password = 000000 openstack user set --password 000000 nova #Nova list to see if there is any error nova list +----+------+--------+------------+-------------+----------+ | ID | Name | Status | Task State | Power State | Networks | +----+------+--------+------------+-------------+----------+ +----+------+--------+------------+-------------+----------+
This is no problem