blackhole-stress.yml

---
schemaVersion: '2.2'
description: Blackhole a protocol/port on an instance
parameters:
  protocol:
    type: String
    description: Specify the protocol to blackhole. Options: tcp, udp (Required)
    allowedValues:
      - tcp
      - udp
  port:
    type: String
    description: Specify the port to blackhole. (Required)
  duration:
    type: String
    description: The duration - in seconds - of the blackhole. (Required)
    default: "60"
mainSteps:
- action: aws:runShellScript
  name: ChaosBlackholeAttack
  inputs:
    runCommand:
    - iptables -A INPUT -p {{ protocol }} --dport {{ port }} -j DROP
    - iptables -A OUTPUT -p {{ protocol }} --dport {{ port }} -j DROP
    - sleep {{ duration }}
    - iptables -D INPUT -p {{ protocol }} --dport {{ port }} -j DROP
    - iptables -D OUTPUT -p {{ protocol }} --dport {{ port }} -j DROP