topic Re: HTTP Monitor: how to pause/sleep between two steps in Synthetic Monitoring

HTTP Monitor: how to pause/sleep between two steps

sylvain_baerisw — Mon, 16 Dec 2019 05:05:24 GMT

Hello,

I have a HTTP monitor use case where I would like to wait/sleep a few seconds between step 1 and 2

the first step does trigger a non-blocking asynchronous action taking several seconds to complete
so I need to wait enough before checking for the result with a 2nd API call

Is it possible to add in pre/post execution scripts kind of sleep(### seconds) or something equivalent ?

Thanks.

Re: HTTP Monitor: how to pause/sleep between two steps

skrystosik — Mon, 16 Dec 2019 08:25:09 GMT

You can use JS I think:

https://www.dynatrace.com/support/help/how-to-use-dynatrace/synthetic-monitoring/http-monitors/create-an-http-monitor/#expand-302additional-options

you can execute post execution script for the first step which for example will do:

setTimeout(function () {
   //you can paste some code here if you need
}, 5000);

I've never tested it, but should be fine 🙂

Sebastian

Re: HTTP Monitor: how to pause/sleep between two steps

sylvain_baerisw — Mon, 16 Dec 2019 08:41:50 GMT

Thanks @Sebastian K., unfortunately it does not work. I tried something equivalent already (assuming we might be able to execute generic JS script) but it failed.

When I paste your content in a post-execution script, I get the following in log:

Post script execution failed due to: ReferenceError: "setTimeout" is not defined. (script#1)

Re: HTTP Monitor: how to pause/sleep between two steps

skrystosik — Mon, 16 Dec 2019 08:50:21 GMT

Ok you're right. Here are possibilities you have:

https://www.dynatrace.com/support/help/how-to-use-dynatrace/synthetic-monitoring/http-monitors/pre-and-post-scripting-for-http-monitors/

I don't see anything that can be handy here.

As a really dirt workaround may be creating some page with setTimeout set that you may use as request in the middle which will takes amount of time defined in query parameter.

Sebastian

Re: HTTP Monitor: how to pause/sleep between two steps

sylvain_baerisw — Mon, 16 Dec 2019 08:52:52 GMT

yes, me too. I reviewed this documentation already. That is why I posted on this forum. I was hoping for some hidden trick.

thanks anyway for your help.

Re: HTTP Monitor: how to pause/sleep between two steps

Yosi_Neuman — Mon, 16 Dec 2019 09:32:26 GMT

Hi guys

Long shot but you should give it a try and use browser test where you can add wait after step and run JavaScripts.

HTH

Yos

Re: HTTP Monitor: how to pause/sleep between two steps

sylvain_baerisw — Mon, 16 Dec 2019 10:53:08 GMT

unfortunately not for this specific use case as I am testing an API

Re: HTTP Monitor: how to pause/sleep between two steps

Julius_Loman — Mon, 13 Jan 2020 08:23:20 GMT

Would a dummy API call to sleep for a given time solve your problem? For example, the postman echo service has such endpoint if you don't want to create your own.

This URL will, for example, wait 2 seconds between ending with a response:

https://postman-echo.com/delay/2

Re: HTTP Monitor: how to pause/sleep between two steps

sylvain_baerisw — Mon, 13 Jan 2020 12:30:01 GMT

This is an interesting approach. Although I would prefer to avoid being dependent on a 3rd party API, I will definitely consider your idea.

Thanks a lot.

Re: HTTP Monitor: how to pause/sleep between two steps

Julius_Loman — Mon, 13 Jan 2020 12:59:23 GMT

Agreed, but this is just an example. Sure you can deploy such API endpoint in your environment and it will be definitely the most simple one service you will have :-).