The Organization Policy Service gives you centralized, programmatic control over your organization's resources. As the organization policy administrator, you can define an organization policy, which is a set of restrictions called constraints that apply to Cloud Build resources and descendants of those resources in the Google Cloud resource hierarchy. You can enforce organization policies at the organization, folder, or project level.
The Organization Policy Service provides predefined constraints for various Cloud Build services. However, if you want more granular, customizable control over the specific fields that are restricted in your organization policies, you can also create custom organization policies.
Benefits
You can use a custom organization policy to allow or deny specific Cloud Build resources. For example, if a request to create or update a build trigger fails to satisfy custom constraint validation as set by your organization policy, the request will fail and an error will be returned to the caller.
Policy inheritance
By default, organization policies are inherited by the descendants of the resources on which you enforce the policy. For example, if you enforce a policy on a folder, Cloud Build enforces the policy on all projects in the folder. To learn more about this behavior and how to change it, see Hierarchy evaluation rules.
Pricing
The Organization Policy Service, including predefined and custom organization policies, is offered at no charge.
Before you begin
- Set up your project
- Sign in to your Google Cloud account. If you're new to Google Cloud, create an account to evaluate how our products perform in real-world scenarios. New customers also get $300 in free credits to run, test, and deploy workloads.
-
In the Google Cloud console, on the project selector page, select or create a Google Cloud project.
-
Make sure that billing is enabled for your Google Cloud project.
-
Enable the Cloud Build API.
- Install the Google Cloud CLI.
-
To initialize the gcloud CLI, run the following command:
gcloud init
-
In the Google Cloud console, on the project selector page, select or create a Google Cloud project.
-
Make sure that billing is enabled for your Google Cloud project.
-
Enable the Cloud Build API.
- Install the Google Cloud CLI.
-
To initialize the gcloud CLI, run the following command:
gcloud init
- Ensure that you know your organization ID.
Required roles
To get the permissions that you need to manage organization policies,
ask your administrator to grant you the
Organization policy administrator (roles/orgpolicy.policyAdmin
) IAM role on the organization resource.
For more information about granting roles, see Manage access to projects, folders, and organizations.
You might also be able to get the required permissions through custom roles or other predefined roles.
You also need to add required roles to create Cloud Build to your user account. See Configuring access to Cloud Build resources. To learn more about IAM roles associated with Cloud Build, see IAM roles and permissions.
Create a custom constraint
You can create a custom constraint by using a YAML file to define the resources, methods, conditions, and actions that are subject to the constraint. These are specific to the service on which you're enforcing the organization policy. Conditions for your custom constraints must be defined using Common Expression Language. See the GitHub page about Common Expression Language (CEL). For more information about how to build conditions in custom constraints using CEL, see the CEL section of Creating and managing custom constraints.
Use the following template to create a YAML file for a custom constraint:
name: organizations/ORGANIZATION_ID/customConstraints/CONSTRAINT_NAME
resourceTypes:
- cloudbuild.googleapis.com/RESOURCE_NAME
methodTypes:
- CREATE
- UPDATE
condition: "CONDITION"
actionType: ACTION
displayName: DISPLAY_NAME
description: DESCRIPTION
Replace the following:
ORGANIZATION_ID
: your organization ID, such as123456789
.CONSTRAINT_NAME
: the name you want for your new custom constraint. A custom constraint must start withcustom.
, and can only include uppercase letters, lowercase letters, or numbers, for example,custom.enableBuildTrigger
. The maximum length of this field is 70 characters, not counting the prefix, for example,organizations/123456789/customConstraints/custom.allowConstraint
.RESOURCE_NAME
: the name (not the URI) of the Cloud Build resource containing the object and field you want to restrict. For example,BuildTrigger
.CONDITION
: a CEL condition that is written against a representation of a supported service resource. This field has a maximum length of 1000 characters. See Supported resources for more information about the resources available to write conditions against. For example,"resource.github.name.contains('cloudbuild')"
.ACTION
: the action to take if thecondition
is met. This can be eitherALLOW
orDENY
.DISPLAY_NAME
: a human-friendly name for the constraint. This field has a maximum length of 200 characters.DESCRIPTION
: a human-friendly description of the constraint to display as an error message when the policy is violated. This field has a maximum length of 2000 characters.
For more information about how to create a custom constraint, see Creating and managing custom organization policies.
Set up a custom constraint
After you have created the YAML file for a new custom constraint, you must set it up to make it available for organization policies in your organization. To set up a custom constraint, use thegcloud org-policies set-custom-constraint
command:
gcloud org-policies set-custom-constraint CONSTRAINT_PATHReplace
CONSTRAINT_PATH
with the full path to your
custom constraint file. For example, /home/user/customconstraint.yaml
.
Once completed, you will find your custom constraints as available organization policies
in your list of Google Cloud organization policies.
To verify that the custom constraint exists, use the
gcloud org-policies list-custom-constraints
command:
gcloud org-policies list-custom-constraints --organization=ORGANIZATION_IDReplace
ORGANIZATION_ID
with the ID of your organization resource.
For more information, see
Viewing organization policies.
Enforce a custom organization policy
You can enforce a boolean constraint by creating an organization policy that references it, and applying that organization policy to a Google Cloud resource.Console
To enforce a boolean constraint:
- In the Google Cloud console, go to the Organization policies page.
- Select the project picker at the top of the page.
- From the project picker, select the project for which you want to set the organization policy.
- Select your constraint from the list on the Organization policies page. The Policy details page for that constraint should appear.
- To configure the organization policy for this resource, click Manage policy.
- On the Edit policy page, select Override parent's policy.
- Click Add a rule.
- Under Enforcement, select whether enforcement of this organization policy should be on or off.
- Optionally, to make the organization policy conditional on a tag, click Add condition. Note that if you add a conditional rule to an organization policy, you must add at least one unconditional rule or the policy cannot be saved. For more details, see Setting an organization policy with tags.
- If this is a custom constraint, you can click Test changes to simulate the effect of this organization policy. For more information, see Test organization policy changes with Policy Simulator.
- To finish and apply the organization policy, click Set policy. The policy will take up to 15 minutes to take effect.
gcloud
To create an organization policy that enforces a boolean constraint, create a policy YAML file that references the constraint:
name: projects/PROJECT_ID/policies/CONSTRAINT_NAME spec: rules: - enforce: true
Replace the following:
-
PROJECT_ID
: the project on which you want to enforce your constraint. -
CONSTRAINT_NAME
: the name you defined for your custom constraint. For example,custom.enableBuildTrigger
.
To enforce the organization policy containing the constraint, run the following command:
gcloud org-policies set-policy POLICY_PATH
Replace POLICY_PATH
with the full path to your organization policy
YAML file. The policy will take up to 15 minutes to take effect.
Test a custom constraint
To test a custom constraint, run a gcloud command that attempts to complete a task blocked by your constraint.
For example, assume that a constraint requires that GitHub trigger names contain "cloudbuild". You could test this constraint by running the gcloud builds triggers create github
command with another trigger name as demonstrated in the following snippet:
gcloud builds triggers create github --name=github-trigger \
--repo-owner=some-owner \
--repo-name=some-repo \
--branch-pattern=main \
--build-config=cloudbuild.yaml \
--project=my-project \
The output is similar to the following:
Operation denied by custom org policies: ["customConstraints/custom.enableBuildTrigger": "GitHub trigger name must include "cloudbuild"."]
Cloud Build supported resources and operations
The following Cloud Build custom constraint fields are available to use when you create or update a Cloud Build resources.
Note that the constraint on Builds is not enforced on Builds triggered by trigger.
- Cloud Build BitbucketServerConfig
resource.name
resource.hostUrl
resource.secrets.adminAccessTokenVersionName
resource.secrets.readAccessTokenVersionName
resource.secrets.webhookSecretVersionName
resource.username
resource.apiKey
resource.peeredNetwork
resource.sslCa
resource.peeredNetworkIpRange
- Cloud Build WorkerPool configuration
resource.displayName
resource.annotations
resource.privatePoolV1Config.workerConfig.machineType
resource.privatePoolV1Config.workerConfig.diskSizeGb
resource.privatePoolV1Config.networkConfig.peeredNetwork
resource.privatePoolV1Config.networkConfig.egressOpetion
resource.privatePoolV1Config.networkConfig.peeredNetworkIpRange
- Cloud Build BuildTrigger configuration
resource.tags
resource.resourceName
resource.description
resource.name
resource.tags
resource.triggerTemplate.projectId
resource.triggerTemplate.repoName
resource.triggerTemplate.branchName
resource.triggerTemplate.tagName
resource.triggerTemplate.commitSha
resource.triggerTemplate.dir
resource.triggerTemplate.invertRegex
resource.triggerTemplate.substitutions
resource.github.owner
resource.github.name
resource.github.enterpriseConfigResourceName
resource.pubsubConfig.topic
resource.pubsubConfig.serviceAccountEmail
resource.webhookConfig.secret
resource.bitbucketServerTriggerConfig.repoSlug
resource.bitbucketServerTriggerConfig.projectKey
resource.bitbucketServerTriggerConfig.pullRequest.branch
resource.bitbucketServerTriggerConfig.pullRequest.commentControl
resource.bitbucketServerTriggerConfig.pullRequest.invertRegex
resource.bitbucketServerTriggerConfig.push.branch
resource.bitbucketServerTriggerConfig.push.tag
resource.bitbucketServerTriggerConfig.push.invertRegex
resource.gitlabEnterpriseEventsConfig.projectNamespace
resource.gitlabEnterpriseEventsConfig.pullRequest.branch
resource.gitlabEnterpriseEventsConfig.pullRequest.commentControl
resource.gitlabEnterpriseEventsConfig.pullRequest.invertRegex
resource.gitlabEnterpriseEventsConfig.push.branch
resource.gitlabEnterpriseEventsConfig.push.tag
resource.gitlabEnterpriseEventsConfig.push.invertRegex
resource.gitlabEnterpriseEventsConfig.gitlabConfigResource
resource.disabled
resource.substitutions
resource.ignoredFiles
resource.includedFiles
resource.sourceToBuild.uri
resource.sourceToBuild.repository
resource.sourceToBuild.ref
resource.sourceToBuild.repoType
resource.sourceToBuild.githubEnterpriseConfig
resource.approvalConfig.approvalRequired
resource.filter
resource.serviceAccount
resource.eventType
resource.includeBuildLogs
resource.repositoryEventConfig.repository
resource.repositoryEventConfig.pullRequest.branch
resource.repositoryEventConfig.pullRequest.commentControl
resource.repositoryEventConfig.pullRequest.invertRegex
resource.repositoryEventConfig.push.branch
resource.repositoryEventConfig.push.tag
resource.repositoryEventConfig.push.invertRegex
Example custom organization policies for common use cases
The following table provides the syntax of some custom organization policies that you might find useful:
Description | Constraint syntax |
---|---|
Only allow creating Pub/Sub trigger that listens on topics that contain "cloud-builds" |
name: organizations/ORGANIZATION_ID/customConstraints/custom.enableCloudBuildPubsubTrigger resourceTypes: - cloudbuild.googleapis.com/BuildTrigger methodTypes: - CREATE condition: "resource.pubsubConfig != null && resource.pubsubConfig.topic.contains('cloud-builds')" actionType: ALLOW displayName: Enable creating Pub/Sub trigger that listens on topics that contain "cloud-builds". description: Only allow creating Pub/Sub trigger that listens on topics that contain "cloud-builds". |
ORGANIZATION_ID
: your organization ID, such as123456789
.
What's next
- See Introduction to the Organization Policy Service to learn more about organization policies.
- Learn more about how to create and manage organization policies.
- See the full list of predefined Organization policy constraints.