gcloud beta compute machine-images set-iam-policy

NAME
gcloud beta compute machine-images set-iam-policy - set the IAM policy for a Google Compute Engine machine image
SYNOPSIS
gcloud beta compute machine-images set-iam-policy MACHINE_IMAGE POLICY_FILE [GCLOUD_WIDE_FLAG]
DESCRIPTION
(BETA) Sets the IAM policy for the given machine image as defined in a JSON or YAML file.
POSITIONAL ARGUMENTS
Machine image resource - The machine image 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 [machine_image] on the command line with a fully specified name; set the property [core/project]; provide the argument [--project] on the command line. This must be specified.
MACHINE_IMAGE
ID of the machine image or fully qualified identifier for the machine image.
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: --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/beta API. The full documentation for this API can be found at: https://developers.google.com/compute/docs/reference/latest/
EXAMPLES
The following command reads an IAM policy defined in a policy.json file
  and sets the policy for the machine image `my-image`:
  $ gcloud beta compute machine-images set-iam-policy my-image \
      policy.json

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

NOTES
This command is currently in BETA and may change without notice. This variant is also available:
  $ gcloud alpha compute machine-images set-iam-policy