Policy Management

Operator Installation: Install Gatekeeper Operator from OperatorHub or via CLI subscription

Gatekeeper Instance: Create and configure Gatekeeper custom resource for cluster deployment

Resource Requirements: Size Gatekeeper components based on cluster size and policy complexity

Namespace Configuration: Configure Gatekeeper system namespace and RBAC permissions

Validation: Verify Gatekeeper installation and webhook configuration

System Configuration: Configure Gatekeeper system settings including audit intervals and violation limits

Exemption Management: Configure namespace and resource exemptions from policy enforcement

Sync Configuration: Set up resource syncing for policies that need access to cluster state

Webhook Configuration: Manage validating admission webhook settings and failure policies

Resource Limits: Configure appropriate CPU and memory limits for Gatekeeper components

Template Creation: Develop ConstraintTemplate resources using Rego policy language

Parameter Definition: Define configurable parameters for reusable policy templates

Validation Logic: Implement Rego rules for resource validation and policy enforcement

Error Messages: Create clear and actionable violation messages for policy failures

Testing Templates: Test constraint templates in development environments before deployment

Constraint Resources: Create Constraint resources from templates to enforce specific policies

Scope Configuration: Configure constraint scope using namespace selectors and exclusions

Enforcement Actions: Set enforcement actions (warn, deny, dryrun) based on policy requirements

Parameter Configuration: Configure constraint-specific parameters for policy customization

Violation Handling: Implement procedures for handling and remediating policy violations

Built-in Policies: Utilize Red Hat’s curated policy library for common security requirements

Custom Policies: Develop organization-specific policies for unique compliance requirements

Policy Versioning: Implement version control for policy templates and constraints

Policy Catalog: Maintain a centralized catalog of available policies and their purposes

Policy Documentation: Document policy requirements, parameters, and use cases

Validating Policies: Implement policies that validate resource specifications during admission

Security Enforcement: Enforce security policies for pod security standards and container configurations

Resource Validation: Validate resource requests, limits, and naming conventions

Compliance Checks: Implement policies for regulatory compliance (PCI DSS, SOC2, etc.)

Mutating Alternatives: Understand when to use mutating admission controllers vs Gatekeeper policies