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Jimmy McCrory 04737f5dbd Implement zero downtime upgrades

This patch implements upgrading keystone with zero downtime as the
default installation process. Handlers have been modified to ensure that
the first keystone node is stopped, facilitates the database migrations,
and that it is started and available before restarting any other keystone
nodes. Migrations also now only occur when there is a change within the
installed keystone venv.

This process is documented at
http://docs.openstack.org/developer/keystone/upgrading.html#upgrading-without-downtime

A new test scenario has been added for testing basic upgradability
between releases.

Implements: blueprint upgrade-testing
Change-Id: I0d3cfcb80b64d005d60f4c8445f991855f844796

2016-11-17 08:10:57 -08:00

defaults

Fix linting issues for ansible-lint 3.4.1

2016-11-02 02:31:54 +00:00

doc

[DOCS] Added release-name as a watermark to Docs.

2016-10-18 17:09:17 +00:00

examples

[DOCS] Move keystone federation role docs

2016-08-16 08:46:08 +00:00

files

Implement keystone venv support

2015-10-14 13:59:47 -05:00

handlers

Implement zero downtime upgrades

2016-11-17 08:10:57 -08:00

library

Resolve pep8 violations caught by pep8 v1.7.0

2016-01-14 00:45:41 +00:00

README.rst

OpenStack-Ansible keystone

Ansible role that installs and configures OpenStack Keystone. Keystone is installed behind the Apache webserver listening on port 5000 and port 35357 by default.

Documentation for the project can be found at: http://docs.openstack.org/developer/openstack-ansible-os_keystone/ The project home is at: http://launchpad.net/openstack-ansible