release_tracks: [GA, BETA, ALPHA]
help_text:
  brief: Get the IAM policy for a Compute Engine instance.
  description: |
    *{command}* displays the IAM policy associated with a
    Compute Engine instance in a project. If formatted as JSON,
    the output can be edited and used as a policy file for
    set-iam-policy. The output includes an "etag" field
    identifying the version emitted and allowing detection of
    concurrent policy updates; see
    $ {parent} set-iam-policy for additional details.
  examples: |
    To print the IAM policy for a given instance, run:

      $ {command} my-instance --zone=my-zone

request:
  collection: compute.instances
  use_relative_name: false
  modify_request_hooks:
  - googlecloudsdk.command_lib.iam.hooks:UseMaxRequestedPolicyVersion:api_field=optionsRequestedPolicyVersion
  api_version: v1
  BETA:
    api_version: beta
  ALPHA:
    api_version: alpha

arguments:
  resource:
    help_text: The instance for which to display the IAM policy.
    spec: !REF googlecloudsdk.command_lib.compute.resources:instance