gcloud alpha spanner backups set-iam-policy - set the IAM policy for a Cloud Spanner backup

gcloud alpha spanner backups set-iam-policy(BACKUP :--instance=INSTANCE)POLICY_FILE[GCLOUD_WIDE_FLAG …]

gcloudalphaspannerbackupsset-iam-policyexample-backup--instance=example-instancepolicy.json

Seehttps://cloud.google.com/iam/docs/managing-policiesfor details of the policy file format and contents.

Backup resource - The Cloud Spanner backup to set the IAM policy for. Thearguments in this group can be used to specify the attributes of this resource.(NOTE) Some attributes are not given arguments in this group but can be set inother ways.

To set theproject attribute:

• provide the argumentbackup on the command line with a fullyspecified name;
• provide the argument--project on the command line;
• set the propertycore/project.

This must be specified.

BACKUP

ID of the backup or fully qualified identifier for the backup.

To set thebackup attribute:

• provide the argumentbackup on the command line.

This positional argument must be specified if any of the other arguments in thisgroup are specified.

--instance=INSTANCE

The name of the Cloud Spanner instance.To set theinstance attribute:

• provide the argumentbackup on the command line with a fullyspecified name;
• provide the argument--instance on the command line;
• set the propertyspanner/instance.

POLICY_FILE

Path to a local JSON or YAML formatted file containing a valid policy.

The output of theget-iam-policy command is a valid file, as is anyJSON or YAML file conforming to the structure of aPolicy.

Run$gcloud help for details.