Прокинуть alertmanager-алерты в Telegram

# alertmanager.yml — Telegram receiver via the official telegram_configs.
# Bot token from @BotFather, chat_id from getUpdates after /start in the chat.

route:
  group_by: ['alertname']
  receiver: 'telegram-default'
  routes:
    - matchers: [severity="critical"]
      receiver: 'telegram-oncall'

receivers:
  - name: 'telegram-default'
    telegram_configs:
      - bot_token: '<BOT_TOKEN>'
        chat_id: -1001234567890
        parse_mode: 'HTML'
        message: '{{ .CommonAnnotations.summary }}'
  - name: 'telegram-oncall'
    telegram_configs:
      - bot_token: '<BOT_TOKEN>'
        chat_id: -1001111222333
        parse_mode: 'HTML'