imageUri property

The Compute Engine image resource used for cluster instances.The URI can represent an image or image family.Image examples: https://www.googleapis.com/compute/v1/projects/\[project_id\]/global/images/\[image-id\] projects/[project_id]/global/images/[image-id] image-idImage family examples.

Dataproc will use the most recent image from the family: https://www.googleapis.com/compute/v1/projects/\[project_id\]/global/images/family/\[custom-image-family-name\] projects/[project_id]/global/images/family/[custom-image-family-name]If the URI is unspecified, it will be inferred from SoftwareConfig.image_version or the system default.

Optional.