gcloud compute reservations blocks set-iam-policy

NAME

gcloud compute reservations blocks set-iam-policy - set the IAM policy for a Compute Engine reservation block

SYNOPSIS

gcloud compute reservations blocks set-iam-policy (RESERVATION_BLOCK : --reservation=RESERVATION --zone=ZONE) POLICY_FILE [GCLOUD_WIDE_FLAG …]

DESCRIPTION

Sets the IAM policy for the given reservation block as defined in a JSON or YAML file.

EXAMPLES

The following command will read an IAM policy defined in a JSON file 'policy.json' and set it for the reservation block my-reservation-block:

gcloud compute reservations blocks set-iam-policy my-reservation-block --reservation=my-reservation --zone=ZONE policy.json

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

POSITIONAL ARGUMENTS

Reservation block resource - The reservation block to set the IAM policy for. The arguments 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 in other ways.

To set the project attribute:

provide the argument reservation_block on the command line with a fully specified name;
provide the argument --project on the command line;
set the property core/project.

This must be specified.

RESERVATION_BLOCK

ID of the reservation block or fully qualified identifier for the reservation block.

To set the reservation_block attribute:

provide the argument reservation_block on the command line.

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

--reservation=RESERVATION

The name of the Google Compute Engine reservation. To set the reservation attribute:

provide the argument reservation_block on the command line with a fully specified name;
provide the argument --reservation on the command line.

--zone=ZONE

The name of the Google Compute Engine zone. To set the zone attribute:

provide the argument reservation_block on the command line with a fully specified name;
provide the argument --zone on the command line;
set the property compute/zone.

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 compute/v1 API. The full documentation for this API can be found at: https://cloud.google.com/compute/

NOTES

These variants are also available:

gcloud beta compute reservations blocks set-iam-policy

gcloud preview compute reservations blocks set-iam-policy

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Last updated 2026-06-30 UTC.