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plugin/health: add logging for local health request (#4533)

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This commit is contained in:
Miek Gieben
2021-03-19 11:40:38 +01:00
committed by GitHub
parent 8faca26873
commit 634e3fe8f5
2 changed files with 9 additions and 4 deletions
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9
plugin/health/overloaded.go
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@@ -12,7 +12,7 @@ import (
// overloaded queries the health end point and updates a metrics showing how long it took. // overloaded queries the health end point and updates a metrics showing how long it took.
func (h *health) overloaded() { func (h *health) overloaded() {
timeout := time.Duration(5 * time.Second) timeout := time.Duration(3 * time.Second)
client := http.Client{ client := http.Client{
Timeout: timeout, Timeout: timeout,
} }
@@ -27,10 +27,15 @@ func (h *health) overloaded() {
resp, err := client.Get(url) resp, err := client.Get(url)
if err != nil { if err != nil {
HealthDuration.Observe(timeout.Seconds()) HealthDuration.Observe(timeout.Seconds())
log.Warningf("Local health request to %q failed: %s", url, err)
continue continue
} }
resp.Body.Close() resp.Body.Close()
HealthDuration.Observe(time.Since(start).Seconds()) elapsed := time.Since(start)
HealthDuration.Observe(elapsed.Seconds())
if elapsed > time.Second { // 1s is pretty random, but a *local* scrape taking that long isn't good
log.Warningf("Local health request to %q took more than 1s: %s", url, elapsed)
}
case <-h.stop: case <-h.stop:
return return