glance 503 Service Unavailable: The server is currently unavailable. .

admin

WARNING keystonemiddleware.auth_token [-] Identity response: {"error": {"message": "Expecting to find username or userId in passwordCredentials. The server could not comply with the request since it is either malformed or otherwise incorrect. The client is assumed to be in error.", "code": 400, "title": "Bad Request"}}: BadRequest: Expecting to find username or userId in passwordCredentials. The server could not comply with the request since it is either malformed or otherwise incorrect. The client is assumed to be in error. (HTTP 400) (Request-ID: req-b2fe8593-ac27-4e19-aedc-8d208c284140)
3 L) E1 D) c& F$ B
; ^8 T$ L5 n7 Q4 n$ _. A4 d   503 Service Unavailable: The server is currently unavailable. Please try again at a later time. (HTTP 503)

配置api.conf文件，连接不到数据：

admin

[keystone_authtoken]
% @" U7 q' N$ ]. I- E* k检查发现是api.conf这个地方错误：
   [keysto_authtoken]   少写了ne系统识别不到想要的参数，导致提示503错误，虽然status显示的api.service 服务正常。
   修改成相应的配置参数：
( R4 N; M/ e+ x0 t6 {    [keystone_authtoken]
+ {  h& d" e: {9 W# \' w* p   重启api.service服务，重新上传镜像，问题解决。

admin

[keystone_authtoken]
# O5 e0 s) o" V# N3 {检查发现是api.conf这个地方错误：
/ ^' a1 D1 N9 u4 L4 b4 W   [keysto_authtoken]   少写了ne系统识别不到想要的参数，导致提示503错误，虽然status显示的api.service 服务正常。
" Y6 h2 e; U) S  P. ]! O   修改成相应的配置参数：
    [keystone_authtoken]
   重启api.service服务，重新上传镜像，问题解决。