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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notes	Implement Keystone zero-downtime upgrade	2017-11-16 11:13:50 +07:00
source	Update reno for stable/pike	2017-09-05 13:11:17 +00:00