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[Bug 1558384] Re: Unable to establish connection to http://controller:35357/v3/auth/tokens

 

This is not a nova bug, it looks like keystone isn't running, that could
be due to problems with configuration with httpd. It also looks like
mysqld isn't running. Check your setup again or route this to the
keystone team.

** Changed in: nova
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1558384

Title:
  Unable to establish connection to
  http://controller:35357/v3/auth/tokens

Status in OpenStack Compute (nova):
  Invalid

Bug description:
  I install Liberty on CentOS 7 according to
  http://docs.openstack.org/liberty/install-guide-rdo/index.html, with
  one controller node and one compute node.

  1, Compute node can not connect to keystone on controller:

  "[root@compute3 ~]# nova service-list
  No handlers could be found for logger "keystoneclient.auth.identity.generic.base"
  ERROR (ConnectionRefused): Unable to establish connection to http://controller:35357/v3/auth/tokens";

  
  2, On controller, "openstack-status" shows "<class 'keystoneclient.exceptions.ConnectionRefused'> (HTTP 500) (Request-ID: req-2b2cd91c-3fbd-4baa-87f3-bec2c57039e7)":

  "[root@controller ~]# openstack-status
  == Nova services ==
  openstack-nova-api:                     active
  openstack-nova-compute:                 inactive  (disabled on boot)
  openstack-nova-network:                 inactive  (disabled on boot)
  openstack-nova-scheduler:               active
  openstack-nova-cert:                    active
  openstack-nova-conductor:               active
  openstack-nova-console:                 inactive  (disabled on boot)
  openstack-nova-consoleauth:             active
  openstack-nova-xvpvncproxy:             inactive  (disabled on boot)
  == Glance services ==
  openstack-glance-api:                   active
  openstack-glance-registry:              active
  == Keystone service ==
  openstack-keystone:                     inactive  (disabled on boot)
  == Support services ==
  mysqld:                                 inactive  (disabled on boot)
  dbus:                                   active
  rabbitmq-server:                        active
  memcached:                              active
  == Keystone users ==
  /usr/lib/python2.7/site-packages/keystoneclient/shell.py:64: DeprecationWarning: The keystone CLI is deprecated in favor of python-openstackclient. For a Python library, continue using python-keystoneclient.
    'python-keystoneclient.', DeprecationWarning)
  WARNING: unsupported identity-api-version 3, falling back to 2.0
  /usr/lib/python2.7/site-packages/keystoneclient/v2_0/client.py:145: DeprecationWarning: Constructing an instance of the keystoneclient.v2_0.client.Client class without a session is deprecated as of the 1.7.0 release and may be removed in the 2.0.0 release.
    'the 2.0.0 release.', DeprecationWarning)
  /usr/lib/python2.7/site-packages/keystoneclient/v2_0/client.py:147: DeprecationWarning: Using the 'tenant_name' argument is deprecated in version '1.7.0' and will be removed in version '2.0.0', please use the 'project_name' argument instead
    super(Client, self).__init__(**kwargs)
  /usr/lib/python2.7/site-packages/debtcollector/renames.py:43: DeprecationWarning: Using the 'tenant_id' argument is deprecated in version '1.7.0' and will be removed in version '2.0.0', please use the 'project_id' argument instead
    return f(*args, **kwargs)
  /usr/lib/python2.7/site-packages/keystoneclient/httpclient.py:376: DeprecationWarning: Constructing an HTTPClient instance without using a session is deprecated as of the 1.7.0 release and may be removed in the 2.0.0 release.
    'the 2.0.0 release.', DeprecationWarning)
  Authorization Failed: The resource could not be found. (HTTP 404) (Request-ID: req-7b248df7-dbc6-4bc8-be72-862c2e622994)
  == Glance images ==
  +--------------------------------------+--------+
  | ID                                   | Name   |
  +--------------------------------------+--------+
  | b90fc7b1-5f7e-4a72-87ce-0b7f21ca2afc | cirros |
  +--------------------------------------+--------+
  == Nova managed services ==
  +----+------------------+------------+----------+---------+-------+----------------------------+-----------------+
  | Id | Binary           | Host       | Zone     | Status  | State | Updated_at                 | Disabled Reason |
  +----+------------------+------------+----------+---------+-------+----------------------------+-----------------+
  | 1  | nova-conductor   | controller | internal | enabled | up    | 2016-03-17T13:22:27.000000 | -               |
  | 2  | nova-consoleauth | controller | internal | enabled | up    | 2016-03-17T13:22:27.000000 | -               |
  | 3  | nova-scheduler   | controller | internal | enabled | up    | 2016-03-17T13:22:27.000000 | -               |
  | 4  | nova-cert        | controller | internal | enabled | up    | 2016-03-17T13:22:27.000000 | -               |
  +----+------------------+------------+----------+---------+-------+----------------------------+-----------------+
  == Nova networks ==
  ERROR (ClientException): Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.
  <class 'keystoneclient.exceptions.ConnectionRefused'> (HTTP 500) (Request-ID: req-2b2cd91c-3fbd-4baa-87f3-bec2c57039e7)
  == Nova instance flavors ==
  +----+-----------+-----------+------+-----------+------+-------+-------------+-----------+
  | ID | Name      | Memory_MB | Disk | Ephemeral | Swap | VCPUs | RXTX_Factor | Is_Public |
  +----+-----------+-----------+------+-----------+------+-------+-------------+-----------+
  | 1  | m1.tiny   | 512       | 1    | 0         |      | 1     | 1.0         | True      |
  | 2  | m1.small  | 2048      | 20   | 0         |      | 1     | 1.0         | True      |
  | 3  | m1.medium | 4096      | 40   | 0         |      | 2     | 1.0         | True      |
  | 4  | m1.large  | 8192      | 80   | 0         |      | 4     | 1.0         | True      |
  | 5  | m1.xlarge | 16384     | 160  | 0         |      | 8     | 1.0         | True      |
  +----+-----------+-----------+------+-----------+------+-------+-------------+-----------+
  == Nova instances ==
  +----+------+-----------+--------+------------+-------------+----------+
  | ID | Name | Tenant ID | Status | Task State | Power State | Networks |
  +----+------+-----------+--------+------------+-------------+----------+
  +----+------+-----------+--------+------------+-------------+----------+"


  3, Seems port 5000 and 35357 is not opened by httpd:

  "[root@controller ~]# systemctl status httpd.service 
  鈼[0m httpd.service - The Apache HTTP Server
     Loaded: loaded (/usr/lib/systemd/system/httpd.service; enabled; vendor preset: disabled)
     Active: active (running) since Thu 2016-03-17 08:49:46 EDT; 1h 58min ago
       Docs: man:httpd(8)
             man:apachectl(8)
   Main PID: 1366 (httpd)
     Status: "Total requests: 60; Current requests/sec: 0; Current traffic:   0 B/sec"
     CGroup: /system.slice/httpd.service
             鈹溾攢1366 /usr/sbin/httpd -DFOREGROUND
             鈹溾攢2696 (wsgi:keystone- -DFOREGROUND
             鈹溾攢2697 (wsgi:keystone- -DFOREGROUND
             鈹溾攢2698 (wsgi:keystone- -DFOREGROUND
             鈹溾攢2699 (wsgi:keystone- -DFOREGROUND
             鈹溾攢2700 (wsgi:keystone- -DFOREGROUND
             鈹溾攢2701 (wsgi:keystone- -DFOREGROUND
             鈹溾攢2702 (wsgi:keystone- -DFOREGROUND
             鈹溾攢2703 (wsgi:keystone- -DFOREGROUND
             鈹溾攢2704 (wsgi:keystone- -DFOREGROUND
             鈹溾攢2705 (wsgi:keystone- -DFOREGROUND
             鈹溾攢2706 /usr/sbin/httpd -DFOREGROUND
             鈹溾攢2707 /usr/sbin/httpd -DFOREGROUND
             鈹溾攢2708 /usr/sbin/httpd -DFOREGROUND
             鈹溾攢2709 /usr/sbin/httpd -DFOREGROUND
             鈹溾攢2710 /usr/sbin/httpd -DFOREGROUND
             鈹溾攢3307 /usr/sbin/httpd -DFOREGROUND
             鈹溾攢3370 /usr/sbin/httpd -DFOREGROUND
             鈹溾攢3371 /usr/sbin/httpd -DFOREGROUND
             鈹斺攢3372 /usr/sbin/httpd -DFOREGROUND

  Mar 17 08:49:44 controller systemd[1]: Starting The Apache HTTP Server...
  Mar 17 08:49:46 controller systemd[1]: Started The Apache HTTP Server."

  
  4, /var/log/keystone/keystone.log attached:

  "2016-03-17 09:22:28.404 2702 INFO keystone.common.wsgi [req-e127518c-de2b-4484-8359-d1324f05dd51 - - - - -] GET http://controller:35357/v3/
  2016-03-17 09:22:28.408 2701 INFO keystone.common.wsgi [req-ce27bdf1-254b-4dee-983e-0ae159231daf - - - - -] POST http://controller:35357/v3/auth/tokens
  2016-03-17 09:22:28.483 2703 INFO keystone.common.wsgi [req-f56d0bb4-9468-458f-a591-52d9f74be7ba - - - - -] GET http://controller:35357/v3/auth/tokens
  2016-03-17 09:22:28.734 2705 INFO keystone.common.wsgi [req-58077650-ee50-426d-a7b6-a666baf63602 - - - - -] GET http://controller:35357/v3/
  2016-03-17 09:22:28.737 2702 INFO keystone.common.wsgi [req-f67b247f-3854-432e-aba7-8cd895501723 - - - - -] POST http://controller:35357/v3/auth/tokens
  2016-03-17 09:22:28.780 2704 INFO keystone.common.wsgi [req-1d5125c4-3fe8-4e80-bbd6-8a191f65e285 - - - - -] GET http://controller:35357/v3/auth/tokens
  2016-03-17 09:22:29.109 2705 INFO keystone.common.wsgi [req-2e5a3426-a7d9-4e01-87d1-5bbc9861c2f6 - - - - -] GET http://controller:35357/v3/
  2016-03-17 09:22:29.113 2703 INFO keystone.common.wsgi [req-2a8f7eaf-243b-4da0-9e11-043e9529b682 - - - - -] POST http://controller:35357/v3/auth/tokens
  2016-03-17 09:22:29.154 2701 INFO keystone.common.wsgi [req-56241137-d85c-4522-9a5c-1da4db689760 - - - - -] GET http://controller:35357/v3/auth/tokens
  2016-03-17 09:22:29.471 2705 INFO keystone.common.wsgi [req-a19d48e5-8f43-4a83-bb5e-35960976383b - - - - -] GET http://controller:35357/v3/
  2016-03-17 09:22:29.475 2703 INFO keystone.common.wsgi [req-262f60aa-cd8a-4056-b8bf-ed19452c7210 - - - - -] POST http://controller:35357/v3/auth/tokens
  2016-03-17 09:22:29.516 2704 INFO keystone.common.wsgi [req-8b369ab3-f791-45b5-bfe5-142dde22bdb2 - - - - -] GET http://controller:35357/v3/auth/tokens
  2016-03-17 09:22:29.841 2702 INFO keystone.common.wsgi [req-f93c2103-cb88-4e46-b21a-a71291c9ff13 - - - - -] GET http://controller:35357/v3/
  2016-03-17 09:22:29.844 2703 INFO keystone.common.wsgi [req-7766d108-1671-4080-9d12-ebbcb01ec1f5 - - - - -] POST http://controller:35357/v3/auth/tokens
  2016-03-17 09:22:29.885 2705 INFO keystone.common.wsgi [req-22c3d476-d439-4ef7-9b13-3f2989f02c7f - - - - -] GET http://controller:35357/v3/auth/tokens
  2016-03-17 09:24:56.072 2701 INFO keystone.common.wsgi [req-9251220e-62ad-475a-ad75-8efbd9840abb - - - - -] GET http://controller:35357/v3/
  2016-03-17 09:24:56.075 2703 INFO keystone.common.wsgi [req-2a59386a-09d3-46de-b1fb-7044082058e3 - - - - -] POST http://controller:35357/v3/auth/tokens
  2016-03-17 09:24:56.116 2705 INFO keystone.common.wsgi [req-77bb05dd-c74d-4862-afee-d8afdb584082 - - - - -] GET http://controller:35357/v3/auth/tokens";



  5, /var/log/httpd/error_log attached:

  "[Thu Mar 17 07:52:48.247443 2016] [mpm_prefork:notice] [pid 1358] AH00170: caught SIGWINCH, shutting down gracefully
  [Thu Mar 17 07:55:01.758180 2016] [core:notice] [pid 1360] SELinux policy enabled; httpd running as context system_u:system_r:httpd_t:s0
  [Thu Mar 17 07:55:02.045384 2016] [suexec:notice] [pid 1360] AH01232: suEXEC mechanism enabled (wrapper: /usr/sbin/suexec)
  [Thu Mar 17 07:55:02.053827 2016] [auth_digest:notice] [pid 1360] AH01757: generating secret for digest authentication ...
  [Thu Mar 17 07:55:02.054499 2016] [lbmethod_heartbeat:notice] [pid 1360] AH02282: No slotmem from mod_heartmonitor
  [Thu Mar 17 07:55:02.058430 2016] [mpm_prefork:notice] [pid 1360] AH00163: Apache/2.4.6 (CentOS) mod_wsgi/3.4 Python/2.7.5 configured -- resuming normal operations
  [Thu Mar 17 07:55:02.058446 2016] [core:notice] [pid 1360] AH00094: Command line: '/usr/sbin/httpd -D FOREGROUND'
  [Thu Mar 17 08:27:39.730480 2016] [mpm_prefork:notice] [pid 1360] AH00170: caught SIGWINCH, shutting down gracefully
  [Thu Mar 17 08:29:55.642727 2016] [core:notice] [pid 1347] SELinux policy enabled; httpd running as context system_u:system_r:httpd_t:s0
  [Thu Mar 17 08:29:55.708727 2016] [suexec:notice] [pid 1347] AH01232: suEXEC mechanism enabled (wrapper: /usr/sbin/suexec)
  [Thu Mar 17 08:29:55.717232 2016] [auth_digest:notice] [pid 1347] AH01757: generating secret for digest authentication ...
  [Thu Mar 17 08:29:55.717886 2016] [lbmethod_heartbeat:notice] [pid 1347] AH02282: No slotmem from mod_heartmonitor
  [Thu Mar 17 08:29:55.721848 2016] [mpm_prefork:notice] [pid 1347] AH00163: Apache/2.4.6 (CentOS) mod_wsgi/3.4 Python/2.7.5 configured -- resuming normal operations
  [Thu Mar 17 08:29:55.721865 2016] [core:notice] [pid 1347] AH00094: Command line: '/usr/sbin/httpd -D FOREGROUND'
  [Thu Mar 17 08:47:32.275843 2016] [mpm_prefork:notice] [pid 1347] AH00170: caught SIGWINCH, shutting down gracefully
  [Thu Mar 17 08:49:46.323504 2016] [core:notice] [pid 1366] SELinux policy enabled; httpd running as context system_u:system_r:httpd_t:s0
  [Thu Mar 17 08:49:46.344285 2016] [suexec:notice] [pid 1366] AH01232: suEXEC mechanism enabled (wrapper: /usr/sbin/suexec)
  [Thu Mar 17 08:49:46.353395 2016] [auth_digest:notice] [pid 1366] AH01757: generating secret for digest authentication ...
  [Thu Mar 17 08:49:46.354157 2016] [lbmethod_heartbeat:notice] [pid 1366] AH02282: No slotmem from mod_heartmonitor
  [Thu Mar 17 08:49:46.358306 2016] [mpm_prefork:notice] [pid 1366] AH00163: Apache/2.4.6 (CentOS) mod_wsgi/3.4 Python/2.7.5 configured -- resuming normal operations
  [Thu Mar 17 08:49:46.358331 2016] [core:notice] [pid 1366] AH00094: Command line: '/usr/sbin/httpd -D FOREGROUND'" 


  
  6, /var/log/httpd/keystone-access.log attached:

  "::1 - - [17/Mar/2016:08:47:32 -0400] "OPTIONS * HTTP/1.0" 200 - "-" "Apache/2.4.6 (CentOS) mod_wsgi/3.4 Python/2.7.5 (internal dummy connection)"
  ::1 - - [17/Mar/2016:08:47:32 -0400] "OPTIONS * HTTP/1.0" 200 - "-" "Apache/2.4.6 (CentOS) mod_wsgi/3.4 Python/2.7.5 (internal dummy connection)"
  ::1 - - [17/Mar/2016:08:47:32 -0400] "OPTIONS * HTTP/1.0" 200 - "-" "Apache/2.4.6 (CentOS) mod_wsgi/3.4 Python/2.7.5 (internal dummy connection)"
  ::1 - - [17/Mar/2016:08:47:32 -0400] "OPTIONS * HTTP/1.0" 200 - "-" "Apache/2.4.6 (CentOS) mod_wsgi/3.4 Python/2.7.5 (internal dummy connection)"
  135.251.157.109 - - [17/Mar/2016:08:50:11 -0400] "POST /v3/tokens HTTP/1.1" 404 93 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:08:50:13 -0400] "GET /v3 HTTP/1.1" 200 250 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:08:50:13 -0400] "POST /v3/auth/tokens HTTP/1.1" 201 2257 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:08:50:14 -0400] "GET / HTTP/1.1" 300 591 "-" "glance/11.0.1 keystonemiddleware.auth_token/2.3.1"
  135.251.157.109 - - [17/Mar/2016:08:50:14 -0400] "POST /v3/auth/tokens HTTP/1.1" 201 2260 "-" "glance/11.0.1 keystonemiddleware.auth_token/2.3.1"
  135.251.157.109 - - [17/Mar/2016:08:50:15 -0400] "GET / HTTP/1.1" 300 591 "-" "glance/11.0.1 keystonemiddleware.auth_token/2.3.1"
  135.251.157.109 - - [17/Mar/2016:08:50:15 -0400] "GET /v3/auth/tokens HTTP/1.1" 200 2257 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:08:50:16 -0400] "GET /v3 HTTP/1.1" 200 250 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:08:50:16 -0400] "POST /v3/auth/tokens HTTP/1.1" 201 2257 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:08:50:16 -0400] "GET / HTTP/1.1" 300 591 "-" "nova/12.0.1 keystonemiddleware.auth_token/2.3.1"
  135.251.157.109 - - [17/Mar/2016:08:50:16 -0400] "POST /v3/auth/tokens HTTP/1.1" 201 2258 "-" "nova/12.0.1 keystonemiddleware.auth_token/2.3.1"
  135.251.157.109 - - [17/Mar/2016:08:50:16 -0400] "GET / HTTP/1.1" 300 591 "-" "nova/12.0.1 keystonemiddleware.auth_token/2.3.1"
  135.251.157.109 - - [17/Mar/2016:08:50:16 -0400] "GET /v3/auth/tokens HTTP/1.1" 200 2257 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:08:50:17 -0400] "GET /v3 HTTP/1.1" 200 250 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:08:50:17 -0400] "POST /v3/auth/tokens HTTP/1.1" 201 2257 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:08:50:17 -0400] "GET / HTTP/1.1" 300 591 "-" "nova/12.0.1 keystonemiddleware.auth_token/2.3.1"
  135.251.157.109 - - [17/Mar/2016:08:50:17 -0400] "POST /v3/auth/tokens HTTP/1.1" 201 2258 "-" "nova/12.0.1 keystonemiddleware.auth_token/2.3.1"
  135.251.157.109 - - [17/Mar/2016:08:50:18 -0400] "GET / HTTP/1.1" 300 591 "-" "nova/12.0.1 keystonemiddleware.auth_token/2.3.1"
  135.251.157.109 - - [17/Mar/2016:08:50:18 -0400] "GET /v3/auth/tokens HTTP/1.1" 200 2257 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:08:50:18 -0400] "GET /v3 HTTP/1.1" 200 250 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:08:50:18 -0400] "POST /v3/auth/tokens HTTP/1.1" 201 2257 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:08:50:18 -0400] "GET /v3/auth/tokens HTTP/1.1" 200 2257 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:08:50:19 -0400] "GET /v3 HTTP/1.1" 200 250 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:08:50:19 -0400] "POST /v3/auth/tokens HTTP/1.1" 201 2257 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:08:50:19 -0400] "GET /v3/auth/tokens HTTP/1.1" 200 2257 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:08:50:36 -0400] "POST /v3/tokens HTTP/1.1" 404 93 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:08:50:37 -0400] "GET /v3 HTTP/1.1" 200 250 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:08:50:37 -0400] "POST /v3/auth/tokens HTTP/1.1" 201 2257 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:08:50:37 -0400] "GET /v3/auth/tokens HTTP/1.1" 200 2257 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:08:50:37 -0400] "GET /v3 HTTP/1.1" 200 250 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:08:50:37 -0400] "POST /v3/auth/tokens HTTP/1.1" 201 2257 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:08:50:37 -0400] "GET /v3/auth/tokens HTTP/1.1" 200 2257 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:08:50:38 -0400] "GET /v3 HTTP/1.1" 200 250 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:08:50:38 -0400] "POST /v3/auth/tokens HTTP/1.1" 201 2257 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:08:50:38 -0400] "GET /v3/auth/tokens HTTP/1.1" 200 2257 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:08:50:38 -0400] "GET /v3 HTTP/1.1" 200 250 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:08:50:38 -0400] "POST /v3/auth/tokens HTTP/1.1" 201 2257 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:08:50:38 -0400] "GET /v3/auth/tokens HTTP/1.1" 200 2257 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:08:50:38 -0400] "GET /v3 HTTP/1.1" 200 250 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:08:50:38 -0400] "POST /v3/auth/tokens HTTP/1.1" 201 2257 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:08:50:38 -0400] "GET /v3/auth/tokens HTTP/1.1" 200 2257 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:09:22:28 -0400] "POST /v3/tokens HTTP/1.1" 404 93 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:09:22:28 -0400] "GET /v3 HTTP/1.1" 200 250 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:09:22:28 -0400] "POST /v3/auth/tokens HTTP/1.1" 201 2257 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:09:22:28 -0400] "GET /v3/auth/tokens HTTP/1.1" 200 2257 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:09:22:28 -0400] "GET /v3 HTTP/1.1" 200 250 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:09:22:28 -0400] "POST /v3/auth/tokens HTTP/1.1" 201 2257 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:09:22:28 -0400] "GET /v3/auth/tokens HTTP/1.1" 200 2257 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:09:22:29 -0400] "GET /v3 HTTP/1.1" 200 250 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:09:22:29 -0400] "POST /v3/auth/tokens HTTP/1.1" 201 2257 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:09:22:29 -0400] "GET /v3/auth/tokens HTTP/1.1" 200 2257 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:09:22:29 -0400] "GET /v3 HTTP/1.1" 200 250 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:09:22:29 -0400] "POST /v3/auth/tokens HTTP/1.1" 201 2257 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:09:22:29 -0400] "GET /v3/auth/tokens HTTP/1.1" 200 2257 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:09:22:29 -0400] "GET /v3 HTTP/1.1" 200 250 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:09:22:29 -0400] "POST /v3/auth/tokens HTTP/1.1" 201 2257 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:09:22:29 -0400] "GET /v3/auth/tokens HTTP/1.1" 200 2257 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:09:24:56 -0400] "GET /v3 HTTP/1.1" 200 250 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:09:24:56 -0400] "POST /v3/auth/tokens HTTP/1.1" 201 2257 "-" "python-keystoneclient"
  135.251.157.109 - - [17/Mar/2016:09:24:56 -0400] "GET /v3/auth/tokens HTTP/1.1" 200 2257 "-" "python-keystoneclient""



  7, /var/log/httpd/keystone-error.log attached:

  "2016-03-17 08:50:12.323143 No handlers could be found for logger "oslo_config.cfg"
  2016-03-17 08:50:13.490936 No handlers could be found for logger "oslo_config.cfg"
  2016-03-17 08:50:13.955267 No handlers could be found for logger "oslo_config.cfg"
  2016-03-17 08:50:14.726416 No handlers could be found for logger "oslo_config.cfg"
  2016-03-17 08:50:15.159876 No handlers could be found for logger "oslo_config.cfg""

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References