Learn CLOUD-CUSTODIAN with Real Code Examples

Updated Nov 27, 2025

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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.

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