gcloud alpha compute backend-buckets set-iam-policy

NAME
gcloud alpha compute backend-buckets set-iam-policy - set the IAM policy binding for a Compute Engine backend bucket
SYNOPSIS
gcloud alpha compute backend-buckets set-iam-policyBACKEND_BUCKETPOLICY_FILE[--global    |--region=REGION][GCLOUD_WIDE_FLAG …]
DESCRIPTION
(ALPHA) Sets the IAM policy for the given backend bucket as definedin a JSON or YAML file.
EXAMPLES
The following command will read an IAM policy defined in a JSON file'policy.json' and set it for the regionalbackend bucketmy-backend-bucket:
gcloudalphacomputebackend-bucketsset-iam-policymy-backend-bucketpolicy.json--region=REGION

The following commands will read an IAM policy defined in a JSON file'policy.json' and set it for the global backend bucketmy-backend-bucket:

gcloudalphacomputebackend-bucketsset-iam-policymy-backend-bucketpolicy.json--global
gcloudalphacomputebackend-bucketsset-iam-policymy-backend-bucketpolicy.json

Seehttps://cloud.google.com/iam/docs/managing-policiesfor details of the policy file format and contents.

POSITIONAL ARGUMENTS
BACKEND_BUCKET
ID of the backend bucket or fully qualified identifier for the backend bucket.
Tosetthebackend_bucketattribute:+providetheargumentbackend_bucketonthecommandline.
POLICY_FILE
Path to a local JSON or YAML formatted file containing a valid policy.

The output of theget-iam-policy command is a valid file, as is anyJSON or YAML file conforming to the structure of aPolicy.

FLAGS
At most one of these can be specified:
--global
If set, the backend bucket is global.
--region=REGION
Region of the backend bucket to setIamPolicy. Overrides the defaultcompute/region property value for this command invocation.
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 API. The full documentation for this API can befound at:https://cloud.google.com/compute/
NOTES
This command is currently in alpha and might change without notice. If thiscommand fails with API permission errors despite specifying the correct project,you might be trying to access an API with an invitation-only early accessallowlist. These variants are also available:
gcloudcomputebackend-bucketsset-iam-policy
gcloudbetacomputebackend-bucketsset-iam-policy

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Last updated 2025-10-28 UTC.