watching for yellow

gistfile1.txt

{
    "trigger": {
        "schedule": {
            "interval": "60s"
        }
    },
    "input": {
        "http": {
            "request": {
                "host": "localhost",
                "port": 9200,
                "path": "/_cluster/health"
            }
        }
    },
    "condition": {
        "compare": {
            "ctx.payload.status": {
                "eq": "yellow"
            }
        }
    },
    "actions": {
        "send_email": {
            "email": {
                "to": "someone@somemail.com",
                "subject": "Elasticsearch YELLOW cluster status",
                "body": "Yellow status on Elasticsearch cluster",
                "attach_data": true,
                "priority": "high"
            }
        }
    }
}