gcloud beta bigtable instances add-iam-policy-binding - add an IAM policy binding to a Cloud Bigtable instance

gcloud beta bigtable instances add-iam-policy-bindingINSTANCE--member=PRINCIPAL--role=ROLE[--condition=[KEY=VALUE,…]    |--condition-from-file=PATH_TO_FILE][GCLOUD_WIDE_FLAG …]

gcloudbetabigtableinstancesadd-iam-policy-bindingmy-instance--member=`user:test-user@gmail.com`--role=`roles/editor`

To add an IAM policy binding which expires at the end of the year 2018 for therole ofroles/bigtable.admin and the usertest-user@gmail.com with instancemy-instance, run:

gcloudbetabigtableinstancesadd-iam-policy-bindingmy-instance--member=`user:test-user@gmail.com`--role=`roles/bigtable.admin`--condition=`expression=request.time <timestamp("2019-01-01T00:00:00Z"),title=expires_end_of_2018,description=Expiresatmidnighton2018-12-31`

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

Instance resource - The Cloud Bigtable instance to which to add the IAM policybinding. This represents a Cloud resource. (NOTE) Some attributes are not givenarguments in this group but can be set in other ways.

To set theproject attribute:

• provide the argumentinstance on the command line with a fullyspecified name;
• provide the argument--project on the command line;
• set the propertycore/project.

This must be specified.

INSTANCE

ID of the instance or fully qualified identifier for the instance.

To set theinstance attribute:

• provide the argumentinstance on the command line.

--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.

At most one of these can be specified:

--condition=[KEY=VALUE,…]

A condition to include in the binding. When the condition is explicitlyspecified asNone (--condition=None), a bindingwithout a condition is added. When the condition is specified and is notNone,--role cannot be a basic role. Basic roles areroles/editor,roles/owner, androles/viewer. For more on conditions, refer to the conditionsoverview guide:https://cloud.google.com/iam/docs/conditions-overview

When using the--condition flag, include the following key-valuepairs:

expression

(Required) Condition expression that evaluates to True or False. This uses asubset of Common Expression Language syntax.

If the condition expression includes a comma, use a different delimiter toseparate the key-value pairs. Specify the delimiter before listing the key-valuepairs. For example, to specify a colon (:) as the delimiter, do thefollowing:--condition=^:^title=TITLE:expression=EXPRESSION. Formore information, seehttps://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 availablefields, see the help for--condition. Use a full or relative pathto a local file containing the value of condition.

Run$gcloud help for details.