{
  "plan_id": "plan-20260123-160942-93e4ab29",
  "title": "Deploy Apache Spark in Docker",
  "description": "Deploy Apache Spark cluster in Docker with web UI exposed on port 9944",
  "target": "localhost",
  "steps": [
    {
      "action": "pull_image",
      "description": "Pull Apache Spark Docker image",
      "command": "docker pull apache/spark:latest"
    },
    {
      "action": "create_network",
      "description": "Create Docker network for Spark cluster",
      "command": "docker network create spark-net"
    },
    {
      "action": "run_master",
      "description": "Start Spark master node with UI on port 9944",
      "command": "docker run -d --name spark-master --network spark-net -p 9944:8080 -p 7077:7077 apache/spark:latest /opt/spark/bin/spark-class org.apache.spark.deploy.master.Master"
    },
    {
      "action": "run_worker",
      "description": "Start Spark worker node",
      "command": "docker run -d --name spark-worker --network spark-net apache/spark:latest /opt/spark/bin/spark-class org.apache.spark.deploy.worker.Worker spark://spark-master:7077"
    },
    {
      "action": "verify",
      "description": "Verify Spark UI is accessible",
      "command": "curl -s http://localhost:9944 | grep -q Spark"
    }
  ],
  "rollback_steps": [
    {
      "action": "stop_worker",
      "command": "docker stop spark-worker && docker rm spark-worker"
    },
    {
      "action": "stop_master",
      "command": "docker stop spark-master && docker rm spark-master"
    },
    {
      "action": "remove_network",
      "command": "docker network rm spark-net"
    }
  ],
  "created_at": "2026-01-23T21:09:42.432257+00:00",
  "agent_id": "tier0-agent-001",
  "agent_tier": 0,
  "status": "approved",
  "requires_approval": true,
  "approved_by": "human-operator",
  "executed": true
}