gcloud compute networks subnets set-iam-policy

NAME

gcloud compute networks subnets set-iam-policy - set the IAM policy for a Compute Engine subnetwork

SYNOPSIS

gcloud compute networks subnets set-iam-policy (SUBNETWORK : --region=REGION) POLICY_FILE [GCLOUD_WIDE_FLAG …]

DESCRIPTION

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

EXAMPLES

The following command will read am IAM policy defined in a JSON file 'policy.json' and set it for the subnetwork my-subnet:

gcloud compute networks subnets set-iam-policy my-subnet policy.json --region=REGION

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

POSITIONAL ARGUMENTS

Subnetwork resource - The subnetwork 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 subnetwork 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.

SUBNETWORK

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

To set the subnetwork attribute:

provide the argument subnetwork on the command line.

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

--region=REGION

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

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

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 alpha compute networks subnets set-iam-policy

gcloud beta compute networks subnets set-iam-policy

gcloud preview compute networks subnets set-iam-policy

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Last updated 2026-05-27 UTC.