• https://github.com/adnanh/webhook

• prometheus-alertmanager
• Отправка сообщения на все консоли

root@server:~# apt install webhook

root@server:~# cat /etc/webhook.conf

[
  {
    "id": "my-alert-script",
    "execute-command": "/usr/local/bin/mywall.sh",
    "command-working-directory": "/tmp",
    "pass-arguments-to-command": [
      {
        "source": "payload",
        "name": "alerts"
      }
    ]
  }
]

root@server:~# service webhook restart

root@server:~# ###webhook -hooks /etc/webhook.conf -verbose -port 9000

$ curl -X POST -H "Content-Type: application/json" \
     -d '{"alerts": "тестовое сообщение"}' \
     http://localhost:9000/hooks/my-alert-script