Learn CLOUD-CUSTODIAN with Real Code Examples

Policies defined as YAML files

Cloud Custodian CLI executes policies against cloud APIs

Event triggers (CloudWatch, EventBridge) initiate policy runs

Optional output to S3, databases, or dashboards

Extensible filters and actions define governance logic

Policy YAML defines filters and actions

Custodian CLI executes policies against cloud APIs

Resources filtered based on criteria

Actions executed to remediate or report

Outputs and logs stored for auditing and monitoring

Policy-as-code model

CLI-driven execution

Event-driven or scheduled policy runs

Extensible filters and actions

Integration with cloud services and notifications

Enterprise AWS governance enforcing tagging and encryption

Multi-cloud cost optimization pipelines

Automated compliance monitoring in Azure and GCP

Event-driven remediation of security misconfigurations

CI/CD pipelines enforcing policies pre-deployment

Policy-as-code for reproducibility

Declarative YAML definitions

Automated enforcement and remediation

Multi-cloud support

Integration with cloud-native events and CI/CD

Use parallel execution for large resource sets

Batch API calls to avoid throttling

Optimize filters for efficient resource selection

Distribute policies across accounts or regions

Integrate with logging and monitoring for large-scale tracking

Convert existing scripts to YAML policies

Define filters and actions for resources

Test policies in staging environment

Integrate with scheduling or event triggers

Roll out policies gradually to production accounts