openstack-manuals/doc/config-reference/source/tables/nova-upgrade_levels.rst

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Description of upgrade_levels configuration options
Configuration option = Default value Description

compute = None

(String) Compute RPC API version cap.

By default, we always send messages using the most recent version the client knows about.

Where you have old and new compute services running, you should set this to the lowest deployed version. This is to guarantee that all services never send messages that one of the compute nodes can't understand. Note that we only support upgrading from release N to release N+1.

Set this option to "auto" if you want to let the compute RPC module automatically determine what version to use based on the service versions in the deployment.

Possible values:

  • By default send the latest version the client knows about
  • 'auto': Automatically determines what version to use based on the service versions in the deployment.
  • A string representing a version number in the format 'N.N'; for example, possible values might be '1.12' or '2.0'.
  • An OpenStack release name, in lower case, such as 'mitaka' or 'liberty'.
network = None (String) Network RPC API version cap
conductor = None (String) Conductor RPC API version cap
cells = None (String) Cells RPC API version cap
cert = None (String) Cert RPC API version cap
scheduler = None (String) Scheduler RPC API version cap
intercell = None (String) Intercell RPC API version cap
console = None (String) Console RPC API version cap
consoleauth = None (String) Consoleauth RPC API version cap
baseapi = None (String) Base API RPC API version cap