Version: Grafana 7.3.7
OS: Ubuntu 18.04
Issue: Alert not working after the first evaluation
Expected behaviour: Alert query is supposed to be evaluated each hour.
Data source: Prometheus 2.21.0
Error message: no message in the UI and in the grafana-server.log
If I test the alert rule manually, it works. Evaluate every is set to 1h and For is set to 0m.
I tested whether reducing the scheduling from 1h to 1m has any effect - but after the first evaluation everything seemed to be pretty much the same.
Here’s the output that I get if I test the rule manually:
Object firing:false state:"ok" conditionEvals:"false = false" timeMs:"35.626ms" logs:Array 0:Object message:"Condition: Query" data:Object 1:Object message:"Condition: Query Result" data:Object 2:Object message:"Condition: Eval: false, Metric: disk utilisation, Value: 0.054" data:null