Grzegorz Grasza 9bc06783ec Add RPC and object version pinning
To support rolling upgrades, capping of RPC communication and Ironic
objects is required. Old RPC services and objects may still be running
while an upgrade is in progress. This makes sure that these old
services are called and all objects are used in a supported RPC and
objects version.

This patch adds the configuration option "pin_release_version". Setting
this option caps (downgrades) the internal RPC communication to the
specified version to enable communication with older services. When
doing a rolling upgrade from version X to Y, set this to X. It defaults
to using the newest (current) possible RPC behavior and object versions.

Change-Id: Ie2342d4051f85392a8b10d39ebffc287da57bf2b
Partial-Bug: #1526283
Co-Authored-By: Szymon Borkowski <szymon.borkowski@intel.com>
Co-Authored-By: Ruby Loo <ruby.loo@intel.com>
2017-03-24 02:05:02 +00:00
2017-03-15 19:05:54 -04:00
2017-03-24 02:05:02 +00:00
2017-03-24 02:05:02 +00:00
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2013-10-28 10:19:15 +00:00
2015-09-28 21:27:01 +00:00
2013-07-22 09:51:10 +02:00
2013-05-02 14:55:43 -04:00
2016-11-25 13:28:32 +01:00
2015-08-31 21:43:58 +00:00
2017-03-08 08:22:24 +01:00
2017-03-02 11:45:27 +00:00
2017-03-02 16:58:48 +08:00
2015-08-07 09:51:32 +00:00

Team and repository tags

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Ironic

Ironic consists of an API and plug-ins for managing and provisioning physical machines in a security-aware and fault-tolerant manner. It can be used with nova as a hypervisor driver, or standalone service using bifrost. By default, it will use PXE and IPMI to interact with bare metal machines. Ironic also supports vendor-specific plug-ins which may implement additional functionality.

Ironic is distributed under the terms of the Apache License, Version 2.0. The full terms and conditions of this license are detailed in the LICENSE file.

Project resources

Project status, bugs, and requests for feature enhancements (RFEs) are tracked on Launchpad: http://launchpad.net/ironic

For information on how to contribute to ironic, see http://docs.openstack.org/developer/ironic/dev/code-contribution-guide.html

Description
A service for managing and provisioning Bare Metal servers.
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