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[Matt Riedemann <mriedem.os@xxxxxxxxx>]

Public bug reported:

With the superconductor mode change in devstack in pike, the
post_test_hook in the nova-next CI job is only cleaning up entries from
the cell0 database:

http://logs.openstack.org/58/506458/2/check/gate-tempest-dsvm-neutron-
nova-next-full-ubuntu-xenial-nv/0d589b6/logs/devstack-gate-
post_test_hook.txt.gz

This is because there are 3 config files now:

stack@devstack:~$ ls -l /etc/nova/
total 40
-rw-r--r-- 1 stack stack 3001 Sep 25 18:23 api-paste.ini
-rw-r--r-- 1 stack stack  395 Sep 25 18:23 nova-api-uwsgi.ini
-rw-r--r-- 1 stack stack  724 Sep 25 18:23 nova_cell1.conf
-rw-r--r-- 1 stack stack 3495 Sep 25 18:54 nova.conf
-rw-r--r-- 1 stack stack 3561 Sep 25 18:58 nova-cpu.conf
-rw-r--r-- 1 root  root  2525 Sep 25 18:23 nova-dhcpbridge.conf
-rw-r--r-- 1 stack stack  349 Sep 25 18:23 nova-metadata-uwsgi.ini
-rw-r--r-- 1 stack stack  405 Sep 25 18:24 placement-uwsgi.ini
-rw-r--r-- 1 root  root   941 Sep 25 18:23 rootwrap.conf
drwxr-xr-x 2 root  root  4096 Sep 25 18:23 rootwrap.d

nova.conf is configured for the API database and cell0 so it only
removes entries from cell0.

We could have nova-manage db archive_deleted_rows get the cells from the
API database and iterate the cells to archive deleted rows.

This might require a --fanout or --all-cells option to the command
though so users would opt into the behavior.

** Affects: nova
     Importance: Wishlist
         Status: Triaged


** Tags: cells nova-manage

** Tags removed: nova-mana
** Tags added: cells nova-manage

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

** Changed in: nova
   Importance: Undecided => Medium

** Changed in: nova
   Importance: Medium => Wishlist

-- 
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https://bugs.launchpad.net/bugs/1719487

Title:
  nova-manage db archive_deleted_rows is not multi-cell aware

Status in OpenStack Compute (nova):
  Triaged

Bug description:
  With the superconductor mode change in devstack in pike, the
  post_test_hook in the nova-next CI job is only cleaning up entries
  from the cell0 database:

  http://logs.openstack.org/58/506458/2/check/gate-tempest-dsvm-neutron-
  nova-next-full-ubuntu-xenial-nv/0d589b6/logs/devstack-gate-
  post_test_hook.txt.gz

  This is because there are 3 config files now:

  stack@devstack:~$ ls -l /etc/nova/
  total 40
  -rw-r--r-- 1 stack stack 3001 Sep 25 18:23 api-paste.ini
  -rw-r--r-- 1 stack stack  395 Sep 25 18:23 nova-api-uwsgi.ini
  -rw-r--r-- 1 stack stack  724 Sep 25 18:23 nova_cell1.conf
  -rw-r--r-- 1 stack stack 3495 Sep 25 18:54 nova.conf
  -rw-r--r-- 1 stack stack 3561 Sep 25 18:58 nova-cpu.conf
  -rw-r--r-- 1 root  root  2525 Sep 25 18:23 nova-dhcpbridge.conf
  -rw-r--r-- 1 stack stack  349 Sep 25 18:23 nova-metadata-uwsgi.ini
  -rw-r--r-- 1 stack stack  405 Sep 25 18:24 placement-uwsgi.ini
  -rw-r--r-- 1 root  root   941 Sep 25 18:23 rootwrap.conf
  drwxr-xr-x 2 root  root  4096 Sep 25 18:23 rootwrap.d

  nova.conf is configured for the API database and cell0 so it only
  removes entries from cell0.

  We could have nova-manage db archive_deleted_rows get the cells from
  the API database and iterate the cells to archive deleted rows.

  This might require a --fanout or --all-cells option to the command
  though so users would opt into the behavior.

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