Updater healthcheck

services/healthchecks.ts

@@ -0,0 +1,14 @@
+import axios from "axios";
+import macros from "../utils/macros";
+
+export async function sendHealthCheck(): Promise<void> {
+  /**
+   * Sends out a ping to the pingURL, if there is an error with the updater,
+   * a message will be sent to the Search-Support channel in the sandbox slack.
+   */
+  try {
+    await axios.get(process.env.HEALTHCHECK_PING);
+  } catch (error) {
+    macros.warn("Health checks service is not responding properly: " + error);
+  }
+}

services/updater.ts

@@ -21,6 +21,7 @@ import {
 } from "../types/scraperTypes";
 import processor from "../scrapers/classes/main";
 import filters from "../scrapers/filters";
+import { sendHealthCheck } from "./healthchecks";
 
 /*
 At most, there are 12 terms that we want to update - if we're in the spring & summer semesters have been posted
@@ -362,6 +363,10 @@ class Updater {
     await this.sendUserNotifications(sections);
     // Save the data in our database
     await this.saveDataToDatabase(sections);
+    // Send out healthcheck ping in prod
+    if (macros.PROD) {
+      await sendHealthCheck();
+    }
 
     const totalTime = Date.now() - startTime;
     macros.log(

template.env

@@ -9,4 +9,7 @@ CLIENT_ORIGIN=http://localhost:5000
 JWT_SECRET=
 
 # This is only used for local development
-POSTGRES_PASSWORD=default_password
+POSTGRES_PASSWORD=default_password
+
+# Healtchecks ping server
+HEALTHCHECK_PING = https://hc-ping.com/7d9197be-db67-4cc5-be00-1a3df56d0918