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Data freshness for events and problems

henk_stobbe
DynaMight Leader
DynaMight Leader

Hello,

Who can confirm below?

When using a "event" or "problem" trigger in a workflow, why does it take 5 minutes for you can retrieve by DQL:

      Events belonging to a Problem

     Problem belonging to an Event

For my workflow needed to wait 3x 1:59 minutes to make it work (timeout per task is 2:00 min)k

KR Henk

4 REPLIES 4

christian_kreuz
Dynatrace Advisor
Dynatrace Advisor

Hi,

there is a slight delay between when Workflows are triggered (by an event), and when data is available in Grail to be fetched.

Though I've never seen a delay above 30 seconds. Could you share the DQL Statements that you're using to fetch those events / problems? Are you using the DQL Action, or writing JavaScript Code?

Hello Christian,

This is the trigger:

henk_stobbe_0-1721898712367.png

 

Sending you the top/important part of the JS task:

 

 

import { execution } from '@dynatrace-sdk/automation-utils';
import { queryExecutionClient } from '@dynatrace-sdk/client-query';
import { eventsClient } from "@dynatrace-sdk/client-classic-environment-v2";
//Before this task already 2 tasks have been active with the same delay
setTimeout(() => {
  console.log("1 minute has passed");
}, 119000);

export default async function ({ execution_id }) {
    try {
        // Get the current execution
        const ex = await execution(execution_id);

        // Extract event data
        const data = ex.event();
        const url = "https :// events.pagerduty.com/v2/enqueue";

        // Initialize payload and custom_details if not present
        data.payload = data.payload || {};
        data.payload.custom_details = data.payload.custom_details || {};

        const eventIds = data['dt.davis.event_ids'];
        let allTags = {};

        // Fetch event details and add them directly to custom_details
        try {
            for (const eventId of eventIds) {
                const eventQuery = `fetch dt.davis.events |  filter event.id == "${eventId}"`;
                //console.log("**********",eventQuery);
                const eventResponse = await queryExecutionClient.queryExecute({
                    body: {
                        query: eventQuery,
                        requestTimeoutMilliseconds: 60000,
                        fetchTimeoutSeconds: 60000
                    }
                });
 
Retrieving the events will fail if if you do not wait for min 5 minutes.
 
(can share full script but than I need to sanitize first (-;)
 
KR Henk

A wait time of 10 seconds (let's make it 15 seconds to be on the safe side) should be enough. In your code example, I believe you're missing the await statement.

 

export default async function ({ execution_id }) {
  console.log('Starting to sleep');
  const milliseconds = 15000; // sleep time
  await new Promise(resolve => setTimeout(resolve, milliseconds));
  console.log('Done sleeping');
}

 

Can you verify that the execution of the step that should sleep takes the expected amount of time, e.g., 15 seconds as in my example?

christian_kreuz_0-1721904034611.png

 

 

Hello Christian,

This will make your day, I have now a 20s wait,

henk_stobbe_0-1721915098461.png

No problems!

Thanks for you help and guidance!

KR Henk

 

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