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[OpenStack Infra <1700359@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.openstack.org/489621
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=598314a4bb53ffff2a8872bd6b290ef8d1d6c532
Submitter: Jenkins
Branch:    master

commit 598314a4bb53ffff2a8872bd6b290ef8d1d6c532
Author: Matt Riedemann <mriedem.os@xxxxxxxxx>
Date:   Tue Aug 1 10:21:43 2017 -0400

    Add release note for PUT /os-services/* for non-compute services
    
    Change If1e03c9343b8cc9c34bd51c2b4d25acdb21131ff made the
    "PUT /os-services/*" APIs only work with nova-compute services
    since they now rely on finding the compute service in a cell
    via the host_mappings record in the API database, and host
    mappings only exist for compute services.
    
    No one should have relied on disabling a non-compute service since
    that does nothing, at least with in-tree code.
    
    This change just adds a release note for awareness.
    
    Change-Id: Idb5bbc31a0aabc328f11e5a9979e5b80651a8f67
    Closes-Bug: #1700359


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

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https://bugs.launchpad.net/bugs/1700359

Title:
  test_os_service_disable_enable fails with "ERROR (NotFound): Could not
  find binary nova-scheduler on host"

Status in OpenStack Compute (nova):
  Fix Released
Status in python-novaclient:
  Fix Released

Bug description:
  Seen here:

  http://logs.openstack.org/41/435141/19/gate/gate-novaclient-dsvm-
  functional-neutron-ubuntu-
  xenial/894e11f/console.html#_2017-06-24_07_44_54_947034

  2017-06-24 07:44:54.919101 | 2017-06-24 07:44:54.918 | {0} novaclient.tests.functional.v2.test_os_services.TestOsServicesNovaClientV211.test_os_service_disable_enable [1.927162s] ... FAILED
  2017-06-24 07:44:54.920189 | 2017-06-24 07:44:54.919 | 
  2017-06-24 07:44:54.921445 | 2017-06-24 07:44:54.921 | Captured traceback:
  2017-06-24 07:44:54.923085 | 2017-06-24 07:44:54.922 | ~~~~~~~~~~~~~~~~~~~
  2017-06-24 07:44:54.924463 | 2017-06-24 07:44:54.924 |     Traceback (most recent call last):
  2017-06-24 07:44:54.925897 | 2017-06-24 07:44:54.925 |       File "novaclient/tests/functional/v2/legacy/test_os_services.py", line 36, in test_os_service_disable_enable
  2017-06-24 07:44:54.927180 | 2017-06-24 07:44:54.926 |         service = self.nova('service-disable %s %s' % (host, serv.binary))
  2017-06-24 07:44:54.928693 | 2017-06-24 07:44:54.928 |       File "novaclient/tests/functional/base.py", line 314, in nova
  2017-06-24 07:44:54.930090 | 2017-06-24 07:44:54.929 |         endpoint_type, merge_stderr)
  2017-06-24 07:44:54.932181 | 2017-06-24 07:44:54.931 |       File "/opt/stack/new/python-novaclient/.tox/functional/local/lib/python2.7/site-packages/tempest/lib/cli/base.py", line 130, in nova
  2017-06-24 07:44:54.933322 | 2017-06-24 07:44:54.933 |         'nova', action, flags, params, fail_ok, merge_stderr)
  2017-06-24 07:44:54.934956 | 2017-06-24 07:44:54.934 |       File "/opt/stack/new/python-novaclient/.tox/functional/local/lib/python2.7/site-packages/tempest/lib/cli/base.py", line 374, in cmd_with_auth
  2017-06-24 07:44:54.936084 | 2017-06-24 07:44:54.935 |         self.cli_dir, prefix=self.prefix)
  2017-06-24 07:44:54.937305 | 2017-06-24 07:44:54.937 |       File "/opt/stack/new/python-novaclient/.tox/functional/local/lib/python2.7/site-packages/tempest/lib/cli/base.py", line 71, in execute
  2017-06-24 07:44:54.938430 | 2017-06-24 07:44:54.938 |         result_err)
  2017-06-24 07:44:54.939609 | 2017-06-24 07:44:54.939 |     tempest.lib.exceptions.CommandFailed: Command '['/opt/stack/new/python-novaclient/.tox/functional/bin/nova', '--os-username', 'admin', '--os-tenant-name', 'admin', '--os-password', 'secretadmin', '--os-auth-url', 'http://10.11.235.59/identity', '--os-compute-api-version', '2.11', '--os-endpoint-type', 'publicURL', 'service-disable', 'ubuntu-xenial-osic-cloud1-s3500-9498382', 'nova-scheduler']' returned non-zero exit status 1.
  2017-06-24 07:44:54.941114 | 2017-06-24 07:44:54.940 |     stdout:
  2017-06-24 07:44:54.943100 | 2017-06-24 07:44:54.942 |     
  2017-06-24 07:44:54.945711 | 2017-06-24 07:44:54.943 |     stderr:
  2017-06-24 07:44:54.947034 | 2017-06-24 07:44:54.946 |     ERROR (NotFound): Could not find binary nova-scheduler on host ubuntu-xenial-osic-cloud1-s3500-9498382. (HTTP 404) (Request-ID: req-540e1c6a-f5b2-4d9d-be81-fe5c047a72b1)

  This is due to changes in the compute API making it impossible to
  disable non-nova-compute services since there is no HostMapping for
  them, and the API looks up the host via host mapping to find which
  cell it's in.

  I'm actually surprised this isn't 100% failure:

  http://logstash.openstack.org/#dashboard/file/logstash.json?query=message%3A%5C%22ERROR%20(NotFound)%3A%20Could%20not%20find%20binary
  %20nova-
  scheduler%20on%20host%5C%22%20AND%20tags%3A%5C%22console%5C%22&from=7d

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