Learn Cloud-custodian - 1 Code Examples & CST Typing Practice Test
Cloud Custodian is an open-source cloud governance and policy-as-code tool that enables organizations to define, enforce, and automate cloud resource policies across AWS, Azure, GCP, and other cloud providers.
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Learn CLOUD-CUSTODIAN with Real Code Examples
Updated Nov 27, 2025
Code Sample Descriptions
Simple Cloud Custodian Policy
# cloud_custodian/demo/stop_unused_ec2.yaml
policies:
- name: stop-unused-ec2
resource: aws.ec2
filters:
- State: running
- type: value
key: "tag:Environment"
value: absent
actions:
- stop
A simple Cloud Custodian policy to stop unused EC2 instances in AWS.
Frequently Asked Questions about Cloud-custodian
What is Cloud-custodian?
Cloud Custodian is an open-source cloud governance and policy-as-code tool that enables organizations to define, enforce, and automate cloud resource policies across AWS, Azure, GCP, and other cloud providers.
What are the primary use cases for Cloud-custodian?
Enforcing cloud security policies. Cost optimization via unused resource cleanup. Compliance auditing and reporting. Automated remediation of policy violations. Governance of multi-cloud environments
What are the strengths of Cloud-custodian?
Declarative policy-as-code model. Multi-cloud support. Automates security, cost, and compliance governance. Integrates with cloud-native event sources. Highly extensible and modular for enterprise needs
What are the limitations of Cloud-custodian?
Requires knowledge of cloud provider APIs and resources. Complex policies can become hard to maintain. Some real-time enforcement scenarios may require additional tooling. Debugging large policies may be time-consuming. Limited built-in GUI; primarily CLI-driven
How can I practice Cloud-custodian typing speed?
CodeSpeedTest offers 1+ real Cloud-custodian code examples for typing practice. You can measure your WPM, track accuracy, and improve your coding speed with guided exercises.