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[Bug 1557482] [NEW] nova hypervisor-list will generate exception

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Public bug reported:

Version: Liberty.
OS: controller & compute node are ubuntu 14.04 server, follow the doc to install.

After installed
Using "nova host-list"
will get the result correctly
+------------------+-------------+----------+
| host_name        | service     | zone     |
+------------------+-------------+----------+
| controller       | cert        | internal |
| controller       | scheduler   | internal |
| controller       | consoleauth | internal |
| controller       | conductor   | internal |
| compute-node-164 | compute     | nova     |
+------------------+-------------+----------+

but if use "nova hypervisor-list"

ERROR (ClientException): Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.
<class 'nova.exception.ComputeHostNotFound'> (HTTP 500) (Request-ID: req-0649f773-8b50-4b84-a670-d8c290f77439)


>From the dashboard, in the System -> hypervisor panel, I can not find the hypervisor. when navigate to this page,  an error will display get not the hypervisor informatin.
The compute node is displayed on "Compute Host" tab, not not in the Hypervisor tab.

version_instgalled:

ii  nova-api                             2:12.0.1-0ubuntu1~cloud0              all          OpenStack Compute - API frontend
ii  nova-cert                            2:12.0.1-0ubuntu1~cloud0              all          OpenStack Compute - certificate management
ii  nova-common                          2:12.0.1-0ubuntu1~cloud0              all          OpenStack Compute - common files
ii  nova-conductor                       2:12.0.1-0ubuntu1~cloud0              all          OpenStack Compute - conductor service
ii  nova-consoleauth                     2:12.0.1-0ubuntu1~cloud0              all          OpenStack Compute - Console Authenticator
ii  nova-novncproxy                      2:12.0.1-0ubuntu1~cloud0              all          OpenStack Compute - NoVNC proxy
ii  nova-scheduler                       2:12.0.1-0ubuntu1~cloud0              all          OpenStack Compute - virtual machine scheduler
ii  python-nova                          2:12.0.1-0ubuntu1~cloud0              all          OpenStack Compute Python libraries
ii  python-novaclient                    2:2.30.1-1~cloud0                     all          client library for OpenStack Compute API


nova-api.log below
--------------------cut here ----------------------
2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions [req-7ddb9e1f-b74a-4df0-ade6-2b364a66ac36 c7922dbbc15b4e5e9ba93acba512e746 cfd6638eca634eb68060e6090ea105b1 - - -] Unexpected exception in API method
2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions Traceback (most recent call last):
2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/api/openstack/extensions.py", line 478, in wrapped
2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions     return f(*args, **kwargs)
2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/api/openstack/compute/hypervisors.py", line 101, in detail
2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions     for hyp in compute_nodes])
2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/compute/api.py", line 3504, in service_get_by_compute_host
2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions     return objects.Service.get_by_compute_host(context, host_name)
2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/oslo_versionedobjects/base.py", line 171, in wrapper
2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions     result = fn(cls, context, *args, **kwargs)
2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/objects/service.py", line 222, in get_by_compute_host
2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions     db_service = db.service_get_by_compute_host(context, host)
2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/db/api.py", line 139, in service_get_by_compute_host
2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions     use_slave=use_slave)
2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/db/sqlalchemy/api.py", line 500, in service_get_by_compute_host
2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions     raise exception.ComputeHostNotFound(host=host)
2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions ComputeHostNotFound: Compute host compute could not be found.
2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions
2016-03-05 00:16:02.076 2798 INFO nova.api.openstack.wsgi [req-7ddb9e1f-b74a-4df0-ade6-2b364a66ac36 c7922dbbc15b4e5e9ba93acba512e746 cfd6638eca634eb68060e6090ea105b1 - - -] HTTP exception thrown: Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.
<class 'nova.exception.ComputeHostNotFound'>
2016-03-05 00:16:02.077 2798 INFO nova.osapi_compute.wsgi.server [req-7ddb9e1f-b74a-4df0-ade6-2b364a66ac36 c7922dbbc15b4e5e9ba93acba512e746 cfd6638eca634eb68060e6090ea105b1 - - -] 127.0.0.1 "GET /v2/cfd6638eca634eb68060e6090ea105b1/os-hypervisors/detail HTTP/1.1" status: 500 len: 439 time: 0.0535100
2016-03-05 00:16:02.097 2798 INFO nova.osapi_compute.wsgi.server [req-4f4be3c4-09b5-4636-b8d6-8ebe83952662 c7922dbbc15b4e5e9ba93acba512e746 cfd6638eca634eb68060e6090ea105b1 - - -] 127.0.0.1 "GET /v2/cfd6638eca634eb68060e6090ea105b1/os-services?binary=nova-compute HTTP/1.1" status: 200 len: 397 time: 0.0162630
2016-03-05 00:16:02.143 2800 INFO nova.osapi_compute.wsgi.server [req-2995483d-b38c-4d46-9e1f-ef6c04942fad c7922dbbc15b4e5e9ba93acba512e746 cfd6638eca634eb68060e6090ea105b1 - - -] 127.0.0.1 "GET /v2/cfd6638eca634eb68060e6090ea105b1/os-hypervisors/statistics HTTP/1.1" status: 200 len: 453 time: 0.0414250
2016-03-05 00:16:02.274 2800 INFO nova.osapi_compute.wsgi.server [req-3a24b024-6f6b-4f78-a43c-4f3c4dcdf567 c7922dbbc15b4e5e9ba93acba512e746 cfd6638eca634eb68060e6090ea105b1 - - -] 127.0.0.1 "GET /v2/cfd6638eca634eb68060e6090ea105b1/extensions HTTP/1.1" status: 200 len: 21880 time: 0.0308590

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1557482

Title:
  nova hypervisor-list will generate exception

Status in OpenStack Compute (nova):
  New

Bug description:
  Version: Liberty.
  OS: controller & compute node are ubuntu 14.04 server, follow the doc to install.

  After installed
  Using "nova host-list"
  will get the result correctly
  +------------------+-------------+----------+
  | host_name        | service     | zone     |
  +------------------+-------------+----------+
  | controller       | cert        | internal |
  | controller       | scheduler   | internal |
  | controller       | consoleauth | internal |
  | controller       | conductor   | internal |
  | compute-node-164 | compute     | nova     |
  +------------------+-------------+----------+

  but if use "nova hypervisor-list"

  ERROR (ClientException): Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.
  <class 'nova.exception.ComputeHostNotFound'> (HTTP 500) (Request-ID: req-0649f773-8b50-4b84-a670-d8c290f77439)

  
  From the dashboard, in the System -> hypervisor panel, I can not find the hypervisor. when navigate to this page,  an error will display get not the hypervisor informatin.
  The compute node is displayed on "Compute Host" tab, not not in the Hypervisor tab.

  version_instgalled:

  ii  nova-api                             2:12.0.1-0ubuntu1~cloud0              all          OpenStack Compute - API frontend
  ii  nova-cert                            2:12.0.1-0ubuntu1~cloud0              all          OpenStack Compute - certificate management
  ii  nova-common                          2:12.0.1-0ubuntu1~cloud0              all          OpenStack Compute - common files
  ii  nova-conductor                       2:12.0.1-0ubuntu1~cloud0              all          OpenStack Compute - conductor service
  ii  nova-consoleauth                     2:12.0.1-0ubuntu1~cloud0              all          OpenStack Compute - Console Authenticator
  ii  nova-novncproxy                      2:12.0.1-0ubuntu1~cloud0              all          OpenStack Compute - NoVNC proxy
  ii  nova-scheduler                       2:12.0.1-0ubuntu1~cloud0              all          OpenStack Compute - virtual machine scheduler
  ii  python-nova                          2:12.0.1-0ubuntu1~cloud0              all          OpenStack Compute Python libraries
  ii  python-novaclient                    2:2.30.1-1~cloud0                     all          client library for OpenStack Compute API

  
  nova-api.log below
  --------------------cut here ----------------------
  2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions [req-7ddb9e1f-b74a-4df0-ade6-2b364a66ac36 c7922dbbc15b4e5e9ba93acba512e746 cfd6638eca634eb68060e6090ea105b1 - - -] Unexpected exception in API method
  2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions Traceback (most recent call last):
  2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/api/openstack/extensions.py", line 478, in wrapped
  2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions     return f(*args, **kwargs)
  2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/api/openstack/compute/hypervisors.py", line 101, in detail
  2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions     for hyp in compute_nodes])
  2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/compute/api.py", line 3504, in service_get_by_compute_host
  2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions     return objects.Service.get_by_compute_host(context, host_name)
  2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/oslo_versionedobjects/base.py", line 171, in wrapper
  2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions     result = fn(cls, context, *args, **kwargs)
  2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/objects/service.py", line 222, in get_by_compute_host
  2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions     db_service = db.service_get_by_compute_host(context, host)
  2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/db/api.py", line 139, in service_get_by_compute_host
  2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions     use_slave=use_slave)
  2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions   File "/usr/lib/python2.7/dist-packages/nova/db/sqlalchemy/api.py", line 500, in service_get_by_compute_host
  2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions     raise exception.ComputeHostNotFound(host=host)
  2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions ComputeHostNotFound: Compute host compute could not be found.
  2016-03-05 00:16:02.073 2798 ERROR nova.api.openstack.extensions
  2016-03-05 00:16:02.076 2798 INFO nova.api.openstack.wsgi [req-7ddb9e1f-b74a-4df0-ade6-2b364a66ac36 c7922dbbc15b4e5e9ba93acba512e746 cfd6638eca634eb68060e6090ea105b1 - - -] HTTP exception thrown: Unexpected API Error. Please report this at http://bugs.launchpad.net/nova/ and attach the Nova API log if possible.
  <class 'nova.exception.ComputeHostNotFound'>
  2016-03-05 00:16:02.077 2798 INFO nova.osapi_compute.wsgi.server [req-7ddb9e1f-b74a-4df0-ade6-2b364a66ac36 c7922dbbc15b4e5e9ba93acba512e746 cfd6638eca634eb68060e6090ea105b1 - - -] 127.0.0.1 "GET /v2/cfd6638eca634eb68060e6090ea105b1/os-hypervisors/detail HTTP/1.1" status: 500 len: 439 time: 0.0535100
  2016-03-05 00:16:02.097 2798 INFO nova.osapi_compute.wsgi.server [req-4f4be3c4-09b5-4636-b8d6-8ebe83952662 c7922dbbc15b4e5e9ba93acba512e746 cfd6638eca634eb68060e6090ea105b1 - - -] 127.0.0.1 "GET /v2/cfd6638eca634eb68060e6090ea105b1/os-services?binary=nova-compute HTTP/1.1" status: 200 len: 397 time: 0.0162630
  2016-03-05 00:16:02.143 2800 INFO nova.osapi_compute.wsgi.server [req-2995483d-b38c-4d46-9e1f-ef6c04942fad c7922dbbc15b4e5e9ba93acba512e746 cfd6638eca634eb68060e6090ea105b1 - - -] 127.0.0.1 "GET /v2/cfd6638eca634eb68060e6090ea105b1/os-hypervisors/statistics HTTP/1.1" status: 200 len: 453 time: 0.0414250
  2016-03-05 00:16:02.274 2800 INFO nova.osapi_compute.wsgi.server [req-3a24b024-6f6b-4f78-a43c-4f3c4dcdf567 c7922dbbc15b4e5e9ba93acba512e746 cfd6638eca634eb68060e6090ea105b1 - - -] 127.0.0.1 "GET /v2/cfd6638eca634eb68060e6090ea105b1/extensions HTTP/1.1" status: 200 len: 21880 time: 0.0308590

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