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How to fix controller not ready in Kubernetes | DevErrors

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How to fix ingress controller not ready

How to fix controller not ready in Kubernetes

KubernetesINTERMEDIATECRITICAL

Error when Ingress controller pod not running

What this error means

Ingress controller down or unhealthy

Typical symptoms

no external IP
no status
pod not running
CrashLoopBackOff
timeout

Common causes

not deployed
crashing
resources full
RBAC missing
CRD missing
ServiceAccount wrong
network policy

How to fix "controller not ready"

1Check pods

kubectl get pods -n ingress-nginx

2Check logs

kubectl logs -n ingress-nginx

3Verify RBAC

kubectl get clusterrolebinding

4Check resources

kubectl top nodes

Restart

Advanced notes

Controller must be running and healthy. Check logs first. Multiple replicas recommended.

Related errors

Exit Code 143 (SIGTERM)
How to fix "Exit Code 143" in Kubernetes
LOW
Failed to connect to server: connection refused (HTTP/2)
How to fix "HTTP/2 connection refused" error in Kubernetes
HIGH
No subnets found for EKS cluster
How to fix "eks subnet not found" in Kubernetes
MEDIUM

Official resources & further reading

📚Kubernetes Official Documentation
📖
Kubernetes API Reference(Official Docs)
📖
Kubernetes Tasks: Run Applications(Official Docs)
💬
Stack Overflow: Kubernetes ingress controller not ready(Stack Overflow)
🐙
Kubernetes GitHub Issues(GitHub)

5

kubectl delete pod

6Reinstall

helm uninstall then install

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