May 2019
Intermediate to advanced
442 pages
11h 36m
English
Content preview from Hands-On Infrastructure Monitoring with Prometheus
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Testing your rules
In Chapter 8, Troubleshooting and Validation, we went through the features that promtool has to offer, with the exception of testing. The test rules subcommand can simulate the periodic ingestion of samples for several time series, use those series to evaluate recording and alerting rules, and then test whether the recorded series match what was configured as the expected results. Now that we understand recording and alerting rules, we'll look at how to ensure that they behave as expected, by creating unit tests and using promtool to validate our rules.
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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.