NAME
    gcloud beta spanner instances set-iam-policy - set the IAM policy for a
        Cloud Spanner instance

SYNOPSIS
    gcloud beta spanner instances set-iam-policy [INSTANCE] POLICY_FILE
        [GCLOUD_WIDE_FLAG ...]

DESCRIPTION
    (BETA) 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 beta 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;
      ◆ provide the argument --project on the command line;
      ◆ set the property core/project.

     [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
        (https://cloud.google.com/iam/reference/rest/v1/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 beta and might change without notice. These
    variants are also available:

        $ gcloud spanner instances set-iam-policy

        $ gcloud alpha spanner instances set-iam-policy

