November 2016
Intermediate to advanced
378 pages
7h 36m
English
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Setting up alerts
Now that you've seen various ways to monitor minions, let's go ahead and set up some alerts.
Alerting in state files
In Chapter 5, Managing Tasks Asynchronously, we discussed how to use the reactor system to file incidents in the PagerDuty service in response to events. Our example also made use of the disk.status monitoring state.
Note
Keep in mind that any state inside an SLS file can raise an alert; monitoring states are not alone here.
Alerting from beacons
As beacons are designed to do nothing more than send an event when a certain threshold is reached, they are perfect for alerting purposes! Let's go ahead and set up a couple of examples.
Watching file changes
Let's go back to inotify for a moment. Say that you're using the /etc/hosts ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.