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Schedule error handler
One script reply has been approved by the moderators Verified
Created by hugo697 450 days ago Viewed 33908 times
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Submitted by hugo697 Deno
Verified 450 days ago
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import { WebClient } from "https://deno.land/x/slack_web_api@1.0.0/mod.ts";
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import dayjs from "npm:dayjs";
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type Slack = {
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  token: string;
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};
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function formatError(error: any) {
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  if (error.stack && error.name && error.message) {
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    return `*${error.name}: ${error.message}*\`\`\`\n${error.stack}\n\`\`\``;
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  } else {
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    return `\`\`\`\n${JSON.stringify(error, null, 2)}\n\`\`\``;
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  }
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}
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export async function main(
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  path: string, // The path of the script or flow that errored
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  is_flow: boolean, // Whether the runnable is a flow
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  schedule_path: string, // The path of the schedule
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  error: object, // The error details
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  started_at: string, // The start datetime of the latest job that failed
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  failed_times: number, // Minimum number of times the schedule failed before calling the error handler
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  slack: Slack,
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  channel: string,
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) {
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  const baseUrl = Deno.env.get("WM_BASE_URL");
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  const scheduleUrl = baseUrl + "/runs?schedule_path=" +
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    encodeURIComponent(schedule_path);
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  const runnableUrl = baseUrl + (is_flow ? "/flows/get/" : "/scripts/get/") +
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    path;
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  const web = new WebClient(slack.token);
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  await web.chat.postMessage({
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    channel,
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    text: `Schedule ${schedule_path} failed ${
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      failed_times > 1 ? (failed_times + " times in a row") : ""
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    }`,
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    blocks: [
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      {
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        "type": "section",
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        "text": {
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          "type": "mrkdwn",
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          "text": `*Schedule <${scheduleUrl}|${schedule_path}> failed*${
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            failed_times > 1 ? (" " + failed_times + " times in a row") : ""
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          }:\n- ${is_flow ? "Flow" : "Script"}: <${runnableUrl}|${path}>`,
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        },
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      },
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    ],
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    attachments: [
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      {
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        color: "#ff0000",
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        "blocks": [{
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          "type": "section",
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          "text": {
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            "type": "mrkdwn",
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            "text": `Last failure at: ${
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              dayjs(started_at).format("DD.MM.YYYY HH:mm (Z)")
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            }\n${formatError(error)}`,
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          },
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        }],
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      },
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    ],
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  });
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}
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