RollbackNodePoolUpgradeRequest rollbacks the previously Aborted or
Failed NodePool upgrade. This will be an no-op if the last upgrade
successfully completed.
.. attribute:: project_id
Deprecated. The Google Developers Console project ID or
project number
<https://support.google.com/cloud/answer/6158840>__. This
field has been deprecated and replaced by the name field.
Deprecated. The name of the cluster to rollback. This field
has been deprecated and replaced by the name field.
The name (project, location, cluster, node pool id) of the
node poll to rollback upgrade. Specified in the format
projects/*/locations/*/clusters/*/nodePools/*.