Comment 2 for bug 1772232

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Brian Rosmaita (brian-rosmaita) wrote :

This is not a valid glance bug. Once the image data is set, no one is allowed to change the disk_format, container_format, size, or checksum. This is by design. It is particularly the case for snapshots, where Nova knows exactly what it is dealing with and will set the disk_format and container_format correctly.

Additionally, it is possible to change the disk_format and container_format on images in 'queued' status using the Image API.