gcloud alpha compute backend-buckets add-iam-policy-binding

NAME
gcloud alpha compute backend-buckets add-iam-policy-binding - add an IAM policy binding to a Compute Engine backend bucket
SYNOPSIS
gcloud alpha compute backend-buckets add-iam-policy-bindingBACKEND_BUCKET--member=PRINCIPAL--role=ROLE[--global    |--region=REGION][GCLOUD_WIDE_FLAG …]
DESCRIPTION
(ALPHA) Add an IAM policy binding to a Compute Engine backendbucket.
EXAMPLES
To add an IAM policy binding for the role of 'compute.loadBalancerServiceUser'for the user 'test-user@gmail.com' with backend bucket 'my-backend-bucket' andregion 'REGION', run:
gcloudalphacomputebackend-bucketsadd-iam-policy-bindingmy-backend-bucket--region=REGION--member='user:test-user@gmail.com'--role='roles/compute.loadBalancerServiceUser'

To add an IAM policy binding for the role of 'compute.loadBalancerServiceUser'for the user 'test-user@gmail.com' with global backend bucket'my-backend-bucket', run either of the following:

gcloudalphacomputebackend-bucketsadd-iam-policy-bindingmy-backend-bucket--global--member='user:test-user@gmail.com'--role='roles/compute.loadBalancerServiceUser'
gcloudalphacomputebackend-bucketsadd-iam-policy-bindingmy-backend-bucket--member='user:test-user@gmail.com'--role='roles/compute.loadBalancerServiceUser'

Seehttps://cloud.google.com/iam/docs/managing-policiesfor details of policy role and member types.

POSITIONAL ARGUMENTS
BACKEND_BUCKET
ID of the backend bucket or fully qualified identifier for the backend bucket.
Tosetthebackend_bucketattribute:+providetheargumentbackend_bucketonthecommandline.
REQUIRED FLAGS
--member=PRINCIPAL
The principal to add the binding for. Should be of the formuser|group|serviceAccount:email ordomain:domain.

Examples:user:test-user@gmail.com,group:admins@example.com,serviceAccount:test123@example.domain.com, ordomain:example.domain.com.

Some resources also accept the following special values:

  • allUsers - Special identifier that represents anyone who is on theinternet, with or without a Google account.
  • allAuthenticatedUsers - Special identifier that represents anyonewho is authenticated with a Google account or a service account.
--role=ROLE
Role name to assign to the principal. The role name is the complete path of apredefined role, such asroles/logging.viewer, or the role ID for acustom role, such asorganizations/{ORGANIZATION_ID}/roles/logging.viewer.
OPTIONAL 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 operate on. 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-bucketsadd-iam-policy-binding
gcloudbetacomputebackend-bucketsadd-iam-policy-binding

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Last updated 2025-10-28 UTC.