DevFW-CICD/ingress-nginx-helm
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fix: Add failure threshold to graceful shutdown

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motoki317 2024-11-22 00:48:36 +09:00
parent 872d64b05c
commit 4f43d4a78c
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1 changed files with 7 additions and 1 deletions
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8
internal/ingress/controller/nginx.go
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@ -400,12 +400,18 @@ func (n *NGINXController) stopWait() {
var scraper collectors.NginxStatusScraper
lastRequests := 0
noChangeTimes := 0
failures := 0
const failureThreshold = 5
for ; ; time.Sleep(checkFrequency) {
st, err := scraper.Scrape()
if err != nil {
klog.Warningf("failed to scrape nginx status: %v", err)
noChangeTimes = 0
failures++
if failures >= failureThreshold {
klog.Warningf("giving up graceful shutdown: too many nginx status scrape failures")
break
}
continue
}