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gcloud compute instances set-iam-policy

NAME
gcloud compute instances set-iam-policy - set IAM policy for a Google Compute Engine instance
SYNOPSIS
gcloud compute instances set-iam-policy (INSTANCE : --zone=ZONE) POLICY_FILE [GCLOUD_WIDE_FLAG]
DESCRIPTION
Set IAM policy for a Google Compute Engine instance.
POSITIONAL ARGUMENTS
Instance resource - 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. 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; set the property [core/project]; provide the argument [--project] on the command line. This must be specified.
INSTANCE
ID of the instance or fully qualified identifier for the instance. This positional must be specified if any of the other arguments in this group are specified.
--zone=ZONE
The name of the Google Compute Engine 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: --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://developers.google.com/compute/docs/reference/latest/
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.
NOTES
These variants are also available:
  $ gcloud alpha compute instances set-iam-policy
  $ gcloud beta compute instances set-iam-policy
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