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tsweb/varz: fix exporting histograms 

Updates tailscale/corp#8641

Signed-off-by: Maisem Ali <maisem@tailscale.com>
This commit is contained in:
Maisem Ali 2023-09-07 14:47:21 -07:00 committed by Maisem Ali
parent 1bd3edbb46
commit 5ee349e075
1 changed files with 8 additions and 5 deletions
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13
tsweb/varz/varz.go
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@ -31,13 +31,14 @@ func init() {
}
const (
gaugePrefix = "gauge_"
counterPrefix = "counter_"
labelMapPrefix = "labelmap_"
gaugePrefix = "gauge_"
counterPrefix = "counter_"
labelMapPrefix = "labelmap_"
histogramPrefix = "histogram_"
)
// prefixesToTrim contains key prefixes to remove when exporting and sorting metrics.
var prefixesToTrim = []string{gaugePrefix, counterPrefix, labelMapPrefix}
var prefixesToTrim = []string{gaugePrefix, counterPrefix, labelMapPrefix, histogramPrefix}
var timeStart = time.Now()
@ -71,10 +72,12 @@ func prometheusMetric(prefix string, key string) (string, string, string) {
case strings.HasPrefix(key, gaugePrefix):
typ = "gauge"
key = strings.TrimPrefix(key, gaugePrefix)
case strings.HasPrefix(key, counterPrefix):
typ = "counter"
key = strings.TrimPrefix(key, counterPrefix)
case strings.HasPrefix(key, histogramPrefix):
typ = "histogram"
key = strings.TrimPrefix(key, histogramPrefix)
}
if strings.HasPrefix(key, labelMapPrefix) {
key = strings.TrimPrefix(key, labelMapPrefix)