gcloud alpha spanner instances set-iam-policy

NAME
gcloud alpha spanner instances set-iam-policy - set the IAM policy for a Cloud Spanner instance
SYNOPSIS
gcloud alpha spanner instances set-iam-policy [INSTANCE] POLICY_FILE [GCLOUD_WIDE_FLAG …]
DESCRIPTION
(ALPHA) Set the IAM policy for a Cloud Spanner instance given a instance ID and a file encoded in JSON or YAML that contains the IAM policy.
EXAMPLES
The following command reads an IAM policy defined in a JSON file policy.json and sets it for a spanner instance with the ID example-instance: 
gcloud alpha spanner instances set-iam-policy example-instance policy.json

See https://cloud.google.com/iam/docs/managing-policies for details of the policy file format and contents.

POSITIONAL ARGUMENTS
Instance resource - The Spanner instance to set the IAM policy for. This represents a Cloud resource. (NOTE) Some attributes are not given arguments in this group but can be set in other ways.

To set the project attribute:

  • provide the argument instance on the command line with a fully specified name;
  • set the property spanner/instance with a fully specified name;
  • set the property core/project;
  • provide the argument --project on the command line.
[INSTANCE]
ID of the instance or fully qualified identifier for the instance.

To set the instance attribute:

  • provide the argument instance on the command line;
  • set the property spanner/instance.
POLICY_FILE
Path to a local JSON or YAML formatted file containing a valid policy.

The output of the get-iam-policy command is a valid file, as is any JSON or YAML file conforming to the structure of a Policy.

GCLOUD WIDE FLAGS
These flags are available to all commands: --access-token-file, --account, --billing-project, --configuration, --flags-file, --flatten, --format, --help, --impersonate-service-account, --log-http, --project, --quiet, --trace-token, --user-output-enabled, --verbosity.

Run $ gcloud help for details.

API REFERENCE
This command uses the spanner/v1 API. The full documentation for this API can be found at: https://cloud.google.com/spanner/
NOTES
This command is currently in alpha and might change without notice. If this command fails with API permission errors despite specifying the correct project, you might be trying to access an API with an invitation-only early access allowlist. These variants are also available: 
gcloud spanner instances set-iam-policy

gcloud beta spanner instances set-iam-policy