gcloud compute instances set-iam-policy

NAME
gcloud compute instances set-iam-policy - set IAM policy for a Compute Engine instance
SYNOPSIS
gcloud compute instances set-iam-policy (INSTANCE : --zone=ZONE) POLICY_FILE [GCLOUD_WIDE_FLAG …]
DESCRIPTION
Set IAM policy for a Compute Engine instance.
EXAMPLES
The following command reads an IAM policy defined in a JSON file policy.json and sets it for the instance 'my-instance' and zone 'ZONE': 
gcloud compute instances set-iam-policy my-instance --zone=ZONE policy.json

See https://cloud.google.com/iam/docs/managing-policies for details of policy role and member types.

POSITIONAL ARGUMENTS
Instance resource - The instance to set the IAM policy of. 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 instance 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.

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.

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

--zone=ZONE
The name of the Google Compute Engine zone.

To set the zone attribute:

  • provide the argument instance 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 alpha compute instances set-iam-policy

gcloud beta compute instances set-iam-policy