Periodic Time Signal in PromQL

[Daniel Curilla]

Hi everyone! 

I am looking for some help on a PromQL problem. Right now, I am trying to create a periodic time signal that has a 24h hour period on a specific time for each day. For example, I would like to create a graph that shows the timestamp value at 8:30 UTC every 24h. So, over a 7 week interval, there would be 1 data point a day with a value equal to the timestamp occurring at 8:30 UTC for that day. 

Any help is greatly appreciated!

[Julien Pivotto]

Hello,

You can use:

time() - hour(vector(time())-8.5*3600)*3600 - minute(vector(time())-8.5*3600)*60 - time()%60

If you want only at that time, you could try, so it will be firing for 5 minutes every day at 8.30:

time() - hour(vector(time())-8.5*3600)*3600 - minute(vector(time())-8.5*3600)*60 - time()%60 and time() - hour(vector(time())-8.5*3600)*3600 - minute(vector(time())-8.5*3600)*60 - time()%60 - time() > -300

Regards,

[Julien Pivotto]

if it is for alertingm you can also do

hour() == 8 and minute() == 30.

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Julien Pivotto
@roidelapluie