Grafana, Alertmanagerのアラートをwebhookを使って、Google Apps Scriptを経由してChatworkに送信 https://mistymagich.wordpress.com/2022/04/15/grafana-alertmanager%e3%81%ae%e3%82%a2%e3%83%a9%e3%83%bc%e3%83%88%e3%82%92webhook%e3%82%92%e4%bd%bf%e3%81%a3%e3%81%a6%e3%80%81google-apps-script%e3%82%92%e7%b5%8c%e7%94%b1%e3%81%97%e3%81%a6chatwork/

grafanaToChatwork.ts

function doPost(e: GoogleAppsScript.Events.DoPost): void {
  // Chatwork APIトークン
  const token = "<Chatwork APIトークン>";
  // 通知先ルームID
  const room_id = "<Chatwork ルームID>";

  // チャットワークAPI
  const client = ChatWorkClient.factory({ token: token });

  // 通知内容データ
  const grafanaAlert = JSON.parse(e.postData.contents);

  // 通知本文
  let body = "[toall]";
  grafanaAlert.alerts.forEach((alert) => {
    body += `[info][title][${alert.status}] ${alert.labels.alertname}[/title]\n`;
    body += "Labels:\n";

    for (const property in alert.labels) {
      body += `  ${property}: ${alert.labels[property]}\n`;
    }

    if (alert.annotations) {
      body += "Annotations:\n";

      for (const property in alert.annotations) {
        body += `  ${property}: ${alert.annotations[property]}\n`;
      }
    }

    if (alert.silenceURL) {
      body += `Silence alert: ${alert.silenceURL}\n`;
    }

    if (alert.dashboardURL) {
      body += `Go to dashboard: ${alert.dashboardURL}\n`;
    }

    body += "[/info]\n";
  });

  // Chatworkへ送信
  client.sendMessage({
    room_id: room_id,
    body: body,
  });
}