ingress-nginx
7 commands
7 shown
Dump effective nginx config
Render the full live nginx.conf with all server blocks the controller actually generated
kubectl exec deploy/ingress-nginx-controller -n ingress-nginx -- nginx -T | less
Controller status metrics
Live active connections, reading/writing/waiting counters from the stub_status endpoint
kubectl exec deploy/ingress-nginx-controller -n ingress-nginx -- curl -s localhost:10254/nginx_status
Grep upstream timeouts in logs
Hunt backend timeouts and client-aborted requests; note: 499 means client closed before upstream replied
kubectl logs -n ingress-nginx deploy/ingress-nginx-controller --tail=2000 | grep -iE 'upstream timed out|504|499'
Canary traffic split annotation
Route 20% of traffic to a canary ingress; needs a primary ingress on the same host/path
kubectl annotate ingress <name> -n <ns> nginx.ingress.kubernetes.io/canary=true nginx.ingress.kubernetes.io/canary-weight="20"
Rate limit and body size annotations
Cap requests-per-second per client IP and raise upload limit; rps burst defaults to 5x
kubectl annotate ingress <name> -n <ns> nginx.ingress.kubernetes.io/limit-rps="10" nginx.ingress.kubernetes.io/proxy-body-size="50m"
Rewrite-target with capture group
Strip a path prefix via regex capture; path must use (/|$)(.*) for $2 to resolve
kubectl annotate ingress <name> -n <ns> nginx.ingress.kubernetes.io/rewrite-target='/$2' nginx.ingress.kubernetes.io/use-regex='true'
List ingressclasses and default
Show controllers and which IngressClass is default; only one should be marked default
kubectl get ingressclass -o custom-columns='NAME:.metadata.name,DEFAULT:.metadata.annotations.ingressclass\.kubernetes\.io/is-default-class'
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