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fix(backend): always zero exposed alert count metrics

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If there are no alerts for given state we won't return any metric, which leads to gaps
on metrics. Fix it by initializing all states with 0.
This commit is contained in:
Łukasz Mierzwa
2019-12-05 16:18:00 +00:00
parent e0e829cefd
commit be610bf62d
1 changed files with 5 additions and 4 deletions
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9
cmd/karma/metrics.go
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@@ -85,10 +85,11 @@ func (c *karmaCollector) Collect(ch chan<- prometheus.Metric) {
// count all alerts per receiver & state
for _, alert := range group.Alerts {
if _, found := alertsByReceiverByState[alert.Receiver]; !found {
alertsByReceiverByState[alert.Receiver] = map[string]float64{}
}
if _, found := alertsByReceiverByState[alert.Receiver][alert.State]; !found {
alertsByReceiverByState[alert.Receiver][alert.State] = 0
alertsByReceiverByState[alert.Receiver] = map[string]float64{
"unprocessed": 0,
"active": 0,
"suppressed": 0,
}
}
alertsByReceiverByState[alert.Receiver][alert.State]++
}