- NAME
-
- gcloud spanner instances remove-iam-policy-binding - remove IAM policy binding of a Cloud Spanner instance
- SYNOPSIS
-
-
gcloud spanner instances remove-iam-policy-binding[INSTANCE]--member=PRINCIPAL--role=ROLE[--all|--condition=[KEY=VALUE, …] |--condition-from-file=PATH_TO_FILE] [GCLOUD_WIDE_FLAG …]
-
- DESCRIPTION
- Remove an IAM policy binding of a Cloud Spanner instance. One binding consists of a member, a role, and an optional condition.
- EXAMPLES
- To remove an IAM policy binding for the role of 'roles/editor' for the user
'test-user@gmail.com' with instance 'my-instance', run:
gcloud spanner instances remove-iam-policy-binding my-instance --member = 'user:test-user@gmail.com' --role = 'roles/editor'To remove an IAM policy binding which expires at the end of the year 2018 for the role of 'roles/spanner.admin' and the user 'test-user@gmail.com' with instance 'my-instance', run:
gcloud spanner instances remove-iam-policy-binding my-instance --member = 'user:test-user@gmail.com' --role = 'roles/spanner.admin' --condition = 'expression=request.time <timestamp("2019-01-01T00:00:00Z"),title=expires_end_of_2018,descrip\ tion=Expires at midnight on 2018-12-31'See https://cloud.google.com/iam/docs/managing-policies for details of policy role and member types.
- POSITIONAL ARGUMENTS
-
- Instance resource - The Cloud Spanner instance to remove the IAM policy binding
from. 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
projectattribute:- provide the argument
instanceon the command line with a fully specified name; - set the property
spanner/instancewith a fully specified name; - provide the argument
--projecton the command line; - set the property
core/project.
- provide the argument
- [
INSTANCE] - ID of the instance or fully qualified identifier for the instance.
To set the
instanceattribute:- provide the argument
instanceon the command line; - set the property
spanner/instance.
- provide the argument
- Instance resource - The Cloud Spanner instance to remove the IAM policy binding
from. This represents a Cloud resource. (NOTE) Some attributes are not given
arguments in this group but can be set in other ways.
- REQUIRED FLAGS
-
-
--member=PRINCIPAL - The principal to remove the binding for. Should be of the form
user|group|serviceAccount:emailordomain:domain.Examples:
user:test-user@gmail.com,group:admins@example.com,serviceAccount:test123@example.domain.com, ordomain:example.domain.com.Deleted principals have an additional
deleted:prefix and a?uid=UIDsuffix, whereis a unique identifier for the principal. Example:UIDdeleted:user:test-user@gmail.com?uid=123456789012345678901.Some resources also accept the following special values:
-
allUsers- Special identifier that represents anyone who is on the internet, with or without a Google account. -
allAuthenticatedUsers- Special identifier that represents anyone who is authenticated with a Google account or a service account.
-
-
--role=ROLE - The role to remove the principal from.
-
- OPTIONAL FLAGS
-
- At most one of these can be specified:
-
--all - Remove all bindings with this role and principal, irrespective of any conditions.
-
--condition=[KEY=VALUE,…] - The condition of the binding that you want to remove. When the condition is
explicitly specified as
None(--condition=None), a binding without a condition is removed. Otherwise, only a binding with a condition that exactly matches the specified condition (including the optional description) is removed. For more on conditions, refer to the conditions overview guide: https://cloud.google.com/iam/docs/conditions-overviewWhen using the
--conditionflag, include the following key-value pairs:-
expression - (Required) Condition expression that evaluates to True or False. This uses a
subset of Common Expression Language syntax.
If the condition expression includes a comma, use a different delimiter to separate the key-value pairs. Specify the delimiter before listing the key-value pairs. For example, to specify a colon (
:) as the delimiter, do the following:--condition=^:^title=TITLE:expression=EXPRESSION. For more information, see https://cloud.google.com/sdk/gcloud/reference/topic/escaping . -
title - (Required) A short string describing the purpose of the expression.
-
description - (Optional) Additional description for the expression.
-
-
--condition-from-file=PATH_TO_FILE - Path to a local JSON or YAML file that defines the condition. To see available
fields, see the help for
--condition. Use a full or relative path to a local file containing the value of condition.
-
- At most one of these can be specified:
- 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 helpfor details. - API REFERENCE
- This command uses the
spanner/v1API. The full documentation for this API can be found at: https://cloud.google.com/spanner/ - NOTES
- These variants are also available:
gcloud alpha spanner instances remove-iam-policy-bindinggcloud beta spanner instances remove-iam-policy-binding
gcloud spanner instances remove-iam-policy-binding
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License , and code samples are licensed under the Apache 2.0 License . For details, see the Google Developers Site Policies . Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2026-05-27 UTC.

