source
Parameters
value
The image from which to initialize this disk. This can be one of: the image's self_link, projects/{project}/global/images/{image}, projects/{project}/global/images/family/{family}, global/images/{image}, global/images/family/{family}, family/{family}, {project}/{family}, {project}/{image}, {family}, or {image}.
Note: Either
source,source_image, orsource_snapshotis required in a disk block unless the disk type islocal-ssd. Check the API docs for details.