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In the Next Generation HA architecture a number of active/active services
will be run via systemd. In order for this to work we need to make sure that
the sync_db operation only takes place on the bootstrap node, just like it is
done today for the pacemaker profiles.
We do this by removing sync_db as a parameter and instead set it to true
or false depending if the hostname matches the bootstrap_node as it is done
today in the pacemaker role.
Note that we call hiera('bootstrap_nodeid', undef) because if a profile
is included on a non controller node that variable will be undefined.
The following testing was done:
- HA puppet-pacemaker.yaml scenario with three computes
- NonHA with one controller
- NonHA with three controllers
Fixes-Bug: 1600149
Co-Author: cmsj@tenshu.net
Change-Id: I04a7b9e3c18627ea512000a34357acb7f27d6e0e
Implements: blueprint ha-lightweight-architecture
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The code was in THT before but now in the Nova API profile.
Change-Id: I7035f7998c11dc5508dae8c1a750b93c2944b2d4
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We perform the Galera setup in step 2 so there is no guarantee that the
database will be available in that same step [1].
We used to implement a dependency in puppet using the 'galera-ready'
resource (clustercheck) but this is not possible with roles because we
also don't have any guarantee about clustercheck being installed on the
same node.
Because of the above all services must create/sync their databases
in a later step. This patch fixes Nova API and Neutron Server, the other
services use step 3 already.
1. https://github.com/openstack/tripleo-heat-templates/blob/master/puppet/services/README.rst
Change-Id: I22750ffb64afbe40b5560a6a0d0dabc5b8927d32
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Move nova::db classes from THT to puppet-tripleo in Nova API profile.
Implements: blueprint refactor-puppet-manifests
Change-Id: I4fc3cb822822adc1c58b2cfa2de8584a73fa6427
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It was included in THT before, but it's now in nova/api role.
It will also be added in nova/compute role later.
Change-Id: I6b5857d3d4740c0bf3f748719f30a05f1c62cb59
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Change-Id: I1dde63a5a7d1624494a7157a9679f88f4cb780e0
Implements: blueprint refactor-puppet-manifests
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