[CON-395] Add duration to network monitoring metrics (#3891)

discovery-provider/plugins/network-monitoring/src/metrics/index.ts

@@ -68,11 +68,13 @@ export const generateMetrics = async (run_id: number) => {
   );
 
   // Record duration for generating metrics and export to prometheus
+  const endTime = Date.now()
   endTimer({ run_id: run_id });
 
   if (userCount > 0) {
     await publishSlackReport({
       runStartTime: runStartTime.toString(),
+      runDuration: msToTime(endTime - runStartTime.getTime()),
       fullySyncedUsersCount:
         ((fullySyncedUsersCount / userCount) * 100).toFixed(2) + "%",
       partiallySyncedUsersCount:
@@ -123,3 +125,16 @@ const publishSlackReport = async (metrics: Object) => {
     );
   }
 };
+
+const msToTime = (duration: number) => {
+  const milliseconds = Math.floor((duration % 1000) / 100)
+  const seconds = Math.floor((duration / 1000) % 60)
+  const minutes = Math.floor((duration / (1000 * 60)) % 60)
+  const hours = Math.floor((duration / (1000 * 60 * 60)) % 24)
+
+  const hoursStr = (hours < 10) ? "0" + hours : hours;
+  const minutesStr = (minutes < 10) ? "0" + minutes : minutes;
+  const secondsStr = (seconds < 10) ? "0" + seconds : seconds;
+
+  return `${hoursStr}:${minutesStr}:${secondsStr}:${milliseconds.toString()}`
+}