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[OpenStack Infra <1661360@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.openstack.org/457283
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=d3c084f23448d1890bfda4a06de246f2be3c1279
Submitter: Jenkins
Branch:    master

commit d3c084f23448d1890bfda4a06de246f2be3c1279
Author: Chris Dent <cdent@xxxxxxxxxxxxx>
Date:   Mon Apr 17 16:38:49 2017 +0000

    Register osapi_compute when nova-api is wsgi
    
    When the nova-api services starts from its own standalone binary it
    registers itself in the services table. The original wsgi script in
    nova/wsgi/nova-api.py did not, leading to the bug referenced below.
    
    The new wsgi script at nova.api.openstack.compute.wsgi, modelled on
    a similar thing used for the placement API, provides the necessary
    service registration.
    
    If a ServiceTooOld exception happens while trying to register the
    service then a very simple (currently very stubby) application is
    loaded instead of the compute api. This application returns a 500
    and a message.
    
    Some caveats/todos:
    
    * wsgi apps managed under mod-wsgi (and presumably other containers)
      are not imported/compiled/run until the first request is made. In
      this case that means the service handling does not happen until
      that first request, somewhat defeating the purpose if the api is a
      bit idle.
    
    Change-Id: I7c4acfaa6c50ac0e4d6de69eb62ec5bbad72ff85
    Closes-Bug: #1661360


** Changed in: nova
       Status: In Progress => Fix Released

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https://bugs.launchpad.net/bugs/1661360

Title:
  InstanceNotFound due to missing osapi_compute service version when
  running nova-api under wsgi

Status in OpenStack Compute (nova):
  Fix Released
Status in tripleo:
  Fix Released

Bug description:
  Running OpenStack services from master, when we try to run tempest
  test
  tempest.scenario.test_server_basic_ops.TestServerBasicOps.test_server_basic_ops
  (among others). It always fails with message "u'message': u'Instance
  bf33af04-6b55-4835-bb17-02484c196f13 could not be found.'" (full log
  in http://logs.openstack.org/15/424915/8/check/gate-puppet-openstack-
  integration-4-scenario001-tempest-centos-7/b29f35b/console.html)

  According to the sequence in the log, this is what happens:

  1. tempest creates an instance:

  http://logs.openstack.org/15/424915/8/check/gate-puppet-openstack-
  integration-4-scenario001-tempest-
  centos-7/b29f35b/console.html#_2017-02-02_13_04_48_291997

  2. nova server returns instance bf33af04-6b55-4835-bb17-02484c196f13
  so it seems it has been properly created:

  http://logs.openstack.org/15/424915/8/check/gate-puppet-openstack-
  integration-4-scenario001-tempest-
  centos-7/b29f35b/console.html#_2017-02-02_13_04_48_292483

  3. tempest try to get status of the instance right after creating it
  and nova server returns 404, instance not found:

  http://logs.openstack.org/15/424915/8/check/gate-puppet-openstack-
  integration-4-scenario001-tempest-
  centos-7/b29f35b/console.html#_2017-02-02_13_04_48_292565

  http://logs.openstack.org/15/424915/8/check/gate-puppet-openstack-
  integration-4-scenario001-tempest-
  centos-7/b29f35b/console.html#_2017-02-02_13_04_48_292845

  At that time following messages are found in nova log:

  2017-02-02 12:58:10.823 7439 DEBUG nova.compute.api [req-eec92d3e-9f78-4915-b3b9-ca6858f8dd6a - - - - -] [instance: bf33af04-6b55-4835-bb17-02484c196f13] Fetching instance by UUID get /usr/lib/python2.7/site-packages/nova/compute/api.py:2312
  2017-02-02 12:58:10.879 7439 INFO nova.api.openstack.wsgi [req-eec92d3e-9f78-4915-b3b9-ca6858f8dd6a - - - - -] HTTP exception thrown: Instance bf33af04-6b55-4835-bb17-02484c196f13 could not be found.
  2017-02-02 12:58:10.880 7439 DEBUG nova.api.openstack.wsgi [req-eec92d3e-9f78-4915-b3b9-ca6858f8dd6a - - - - -] Returning 404 to user: Instance bf33af04-6b55-4835-bb17-02484c196f13 could not be found. __call__ /usr/lib/python2.7/site-packages/nova/api/openstack/wsgi.py:1039

  http://logs.openstack.org/15/424915/8/check/gate-puppet-openstack-
  integration-4-scenario001-tempest-centos-7/b29f35b/logs/nova/nova-
  api.txt.gz#_2017-02-02_12_58_10_879

  4. Then tempest start cleaning up environment, deleting security
  group, etc...

  We are hitting this with nova from commit
  f40467b0eb2b58a369d24a0e832df1ace6c400c3





  
  Tempest starts cleaning up securitygroup

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