9bc06783ec
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> |
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