An Identity and Access Management (IAM) policy, which specifies access
controls for Google Cloud resources.
A Policy is a collection of bindings. A binding binds one or more
members, or principals, to a single role. Principals can be user
accounts, service accounts, Google groups, and domains (such as G Suite). A
role is a named list of permissions; each role can be an IAM predefined
role or a user-created custom role.
For some types of Google Cloud resources, a binding can also specify a
condition, which is a logical expression that allows access to a resource
only if the expression evaluates to true. A condition can add constraints
based on attributes of the request, the resource, or both. To learn which
resources support conditions in their IAM policies, see the
IAM documentation.
JSON example:
{
"bindings": [
{
"role": "roles/resourcemanager.organizationAdmin",
"members": [
"user:mike@example.com",
"group:admins@example.com",
"domain:google.com",
"serviceAccount:my-project-id@appspot.gserviceaccount.com"
]
},
{
"role": "roles/resourcemanager.organizationViewer",
"members": [
"user:eve@example.com"
],
"condition": {
"title": "expirable access",
"description": "Does not grant access after Sep 2020",
"expression": "request.time < timestamp('2020-10-01T00:00:00.000Z')",
}
}
],
"etag": "BwWWja0YfJA=",
"version": 3
}
YAML example:
bindings:
- members:
- user:mike@example.com
- group:admins@example.com
- domain:google.com
- serviceAccount:my-project-id@appspot.gserviceaccount.com
role: roles/resourcemanager.organizationAdmin
- members:
- user:eve@example.com
role: roles/resourcemanager.organizationViewer
condition:
title: expirable access
description: Does not grant access after Sep 2020
expression: request.time < timestamp('2020-10-01T00:00:00.000Z')
etag: BwWWja0YfJA=
version: 3
For a description of IAM and its features, see the
IAM documentation.