Kolla-ansible is currently installing mariadb
cluster on hosts defined in group['mariadb']
and render haproxy configuration for this hosts.
This is not enough if user want to have several
service databases in several mariadb clusters (shards).
Spread service databases to multiple clusters (shards)
is usefull especially for databases with high load
(neutron,nova).
How it works ?
It works exactly same as now, but group reference 'mariadb'
is now used as group where all mariadb clusters (shards)
are located, and mariadb clusters are installed to
dynamic groups created by group_by and host variable
'mariadb_shard_id'.
It also adding special user 'shard_X' which will be used
for creating users and databases, but only if haproxy
is not used as load-balance solution.
This patch will not affect user which has all databases
on same db cluster on hosts in group 'mariadb', host
variable 'mariadb_shard_id' is set to 0 if not defined.
Mariadb's task in loadbalancer.yml (haproxy) is configuring
mariadb default shard hosts as haproxy backends. If mariadb
role is used to install several clusters (shards), only
default one is loadbalanced via haproxy.
Mariadb's backup is working only for default shard (cluster)
when using haproxy as mariadb loadbalancer, if proxysql
is used, all shards are backuped.
After this patch will be merged, there will be way for proxysql
patches which will implement L7 SQL balancing based on
users and schemas.
Example of inventory:
[mariadb]
server1
server2
server3 mariadb_shard_id=1
server4 mariadb_shard_id=1
server5 mariadb_shard_id=2
server6 mariadb_shard_id=3
Extra:
wait_for_loadbalancer is removed instead of modified as its role
is served by check already. The relevant refactor is applied as
well.
Change-Id: I933067f22ecabc03247ea42baf04f19100dffd08
Co-Authored-By: Radosław Piliszek <radoslaw.piliszek@gmail.com>
* Don't generate masakari.conf for instance monitor
* Don't generate masakari-monitors.conf for API or engine
* Use a consistent name for dimensions -
masakari_instancemonitor_dimensions
* Fix source code paths in dev mode
Change-Id: I551f93c9bf1ad6712b53c316074ae1df84e4352b
host -> host_ip[0]
Remove deprecated configuration notification_topics.
WARNING oslo_config.cfg [-] Deprecated: Option "notification_topics"
from group "DEFAULT" is deprecated. Use option "topics" from
group "oslo_messaging_notifications".
[0]https://docs.openstack.org/cyborg/latest/configuration/sample-config.html
Change-Id: Ia5d53fb60d34c1509c6cdb905cbd0a93dd1c8b3d
For using 3rd party Octavia providers (such as OVN provider) an
octavia-driver-agent container must be running to expose those providers to
use.
OVN CI job has been extended with deploying Octavia and testing OVN Load
Balancer.
Closes-Bug: #1903506
Depends-On: https://review.opendev.org/c/openstack/kolla/+/771191
Change-Id: Ibafa8b7307981f2a51e630cc113d18af6162171c
Now that the issue is fixed upstream, let's remove the workaround.
[1] If3943060b5d09bd153b6401d34c7d10d3dc864fe
Change-Id: I9cbeee5a397d736338ff2065001d9d6be20cb66e
