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[OpenStack Infra <1682060@xxxxxxxxxxxxxxxxxx>]

Reviewed:  https://review.openstack.org/456923
Committed: https://git.openstack.org/cgit/openstack/nova/commit/?id=9a5c3cd7da76a7340861d552718e7e46640f15be
Submitter: Jenkins
Branch:    master

commit 9a5c3cd7da76a7340861d552718e7e46640f15be
Author: Matt Riedemann <mriedem.os@xxxxxxxxx>
Date:   Fri Apr 14 11:21:17 2017 -0400

    Add release note and update cell install guide for multi-cell limitations
    
    As of change If1e03c9343b8cc9c34bd51c2b4d25acdb21131ff, using
    "nova hypervisor-list" before compute hosts are mapped to a cell
    will result in an empty list.
    
    Our cells v2 install steps mention using 'nova hypervisor-list' after
    creating a cell and starting compute services to tell when to run
    the discover_hosts command, but now hypervisor-list won't work until
    you've run discover_hosts, so it's a catch-22.
    
    This change adds a release note to let people writing deployment tools
    to know about the change in behavior and also updates the install steps
    to use service-list instead of hypervisor-list, since service-list does
    not require the compute host to be mapped to the cell first.
    
    We are going to need to make a similar change in the OpenStack install
    guide since that also mentions using 'nova hypervisor-list' before
    discover_hosts.
    
    Change-Id: If2baab40c2e2a3de20e561bba50688d615b002ef
    Closes-Bug: #1682060


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

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https://bugs.launchpad.net/bugs/1682060

Title:
  empty nova service and hypervisor list

Status in kolla-ansible:
  In Progress
Status in OpenStack Compute (nova):
  Fix Released
Status in openstack-manuals:
  Fix Released

Bug description:
  In current master, openstack compute service list and openstack hypervisor list (same issue with nova cli) result in an empty list.
  If I check the database, services are registered in the database.

  [root@controller tools]# docker exec -ti kolla_toolbox mysql -unova -pYVDa3l8vA57Smnbu9Q5qdgSKJckNxP3Q3rYvVxsD  -h 192.168.100.10 nova -e "SELECT * from services WHERE topic = 'compute'";
  +---------------------+---------------------+------------+----+------------+--------------+---------+--------------+----------+---------+-----------------+---------------------+-------------+---------+
  | created_at          | updated_at          | deleted_at | id | host       | binary       | topic   | report_count | disabled | deleted | disabled_reason | last_seen_up        | forced_down | version |
  +---------------------+---------------------+------------+----+------------+--------------+---------+--------------+----------+---------+-----------------+---------------------+-------------+---------+
  | 2017-04-12 09:12:10 | 2017-04-12 09:14:33 | NULL       |  9 | controller | nova-compute | compute |           13 |        0 |       0 | NULL            | 2017-04-12 09:14:33 |           0 |      17 |
  +---------------------+---------------------+------------+----+------------+--------------+---------+--------------+----------+---------+-----------------+---------------------+-------------+---------+
  [root@controller tools]# openstack compute service list --long

  [root@controller tools]# 
  [root@controller tools]# openstack hypervisor list --long

  [root@controller tools]#

  Logs from kolla deploy gates
  http://logs.openstack.org/08/456108/1/check/gate-kolla-dsvm-deploy-
  centos-source-centos-7-nv/9cf1e73/

  Environment:
  - source code
  - OS: centos/ubuntu/oraclelinux
  - Deployment type: kolla-ansible

  Please let me know if more info is needed or if there is a workaround.
  Regards

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