kolla-ansible/releasenotes/notes/implement-keystone-zero-downtime-upgrade-8e11d080bcda0cf6.yaml
Duong Ha-Quang f7870e1d2f Implement Keystone zero-downtime upgrade
1- Expand and migrate database in first keystone node
  2- Upgrade all nodes sequentially along with updation of each node's
     configuration file with latest release version
  3- Last keystone node, contract database

With this patch, there is small downtime when all containers are
restarted. It will be fixed in other patch.

[1] http://docs.openstack.org/developer/keystone/upgrading.html#upgrading-without-downtime

Co-Authored-By: Surya Prakash Singh <surya.singh@nectechnologies.in>
Co-Authored-By: Eduardo Gonzalez <dabarren@gmail.com>
Co-Authored-By: Duong Ha-Quang <duonghq@vn.fujitsu.com>

Partially-Implements: blueprint ks-rolling-upgrade-role

Change-Id: I2159af567c40848840ff5e483e7d1f6de760b435
2017-11-16 11:13:50 +07:00

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YAML

---
features:
- Implement keystone zero-downtime upgrade procedure