nova/releasenotes/notes/microversion-2.45-608ba80a8...

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The 2.45 microversion is introduced which changes the response for the
``createImage`` and ``createBackup`` server action APIs to no longer
return a ``Location`` response header. With microversion 2.45 those APIs
now return a json dict in the response body with a single ``image_id`` key
whose value is the snapshot image ID (a uuid). The old ``Location`` header
in the response before microversion 2.45 is most likely broken and
inaccessible by end users since it relies on the internal Glance API
server configuration and does not take into account Glance API versions.