Hi!
I am getting a HTTP error 404 when I try to access the Kubernetes Dashboard via the LoadBalancer. I does work when I access it via the cluster IP.
Here are my configurations.
> kubectl get nodes,all,ing,ingressclass,pv -A
NAME STATUS ROLES AGE VERSION
node/k8s-master.example.com Ready control-plane,master 17d v1.20.2
node/k8s-slave1.example.com Ready <none> 17d v1.20.2
node/k8s-slave2.example.com Ready <none> 17d v1.20.2
NAMESPACE NAME READY STATUS RESTARTS AGE
default pod/k8s-dash-kubernetes-dashboard-869d64d489-hkc9l 1/1 Running 0 17d
default pod/k8s-ingress-nginx-controller-76d87b876b-94kl6 1/1 Running 0 17d
default pod/nginx-errors-5465c9bfd7-dxvfq 1/1 Running 0 46h
kube-system pod/cilium-dvtw2 1/1 Running 0 17d
kube-system pod/cilium-l95ct 1/1 Running 0 17d
kube-system pod/cilium-operator-696dc48d8d-t6kb4 1/1 Running 0 17d
kube-system pod/cilium-x46zw 1/1 Running 0 17d
kube-system pod/coredns-74ff55c5b-6txht 1/1 Running 0 17d
kube-system pod/coredns-74ff55c5b-fhqxr 1/1 Running 0 17d
kube-system pod/etcd-k8s-master.example.com 1/1 Running 0 17d
kube-system pod/kube-apiserver-k8s-master.example.com 1/1 Running 0 17d
kube-system pod/kube-controller-manager-k8s-master.example.com 1/1 Running 0 17d
kube-system pod/kube-proxy-f4525 1/1 Running 0 17d
kube-system pod/kube-proxy-g6njq 1/1 Running 0 17d
kube-system pod/kube-proxy-k776w 1/1 Running 0 17d
kube-system pod/kube-scheduler-k8s-master.example.com 1/1 Running 0 17d
metallb-system pod/controller-65db86ddc6-j927b 1/1 Running 0 17d
metallb-system pod/speaker-6pq65 1/1 Running 0 17d
metallb-system pod/speaker-fdmrv 1/1 Running 0 17d
metallb-system pod/speaker-mmv9j 1/1 Running 0 17d
NAMESPACE NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
default service/k8s-dash-kubernetes-dashboard ClusterIP 10.108.249.46 <none> 443/TCP 17d
default service/k8s-ingress-nginx-controller LoadBalancer 10.98.229.138 10.44.37.201 80:31188/TCP,443:30459/TCP 17d
default service/k8s-ingress-nginx-controller-admission ClusterIP 10.101.206.3 <none> 443/TCP 17d
default service/kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 17d
default service/nginx-errors ClusterIP 10.102.207.223 <none> 80/TCP 46h
kube-system service/kube-dns ClusterIP 10.96.0.10 <none> 53/UDP,53/TCP,9153/TCP 17d
NAMESPACE NAME DESIRED CURRENT READY UP-TO-DATE AVAILABLE NODE SELECTOR AGE
kube-system daemonset.apps/cilium 3 3 3 3 3 <none> 17d
kube-system daemonset.apps/kube-proxy 3 3 3 3 3 kubernetes.io/os=linux 17d
metallb-system daemonset.apps/speaker 3 3 3 3 3 kubernetes.io/os=linux 17d
NAMESPACE NAME READY UP-TO-DATE AVAILABLE AGE
default deployment.apps/k8s-dash-kubernetes-dashboard 1/1 1 1 17d
default deployment.apps/k8s-ingress-nginx-controller 1/1 1 1 17d
default deployment.apps/nginx-errors 1/1 1 1 46h
kube-system deployment.apps/cilium-operator 1/1 1 1 17d
kube-system deployment.apps/coredns 2/2 2 2 17d
metallb-system deployment.apps/controller 1/1 1 1 17d
NAMESPACE NAME DESIRED CURRENT READY AGE
default replicaset.apps/k8s-dash-kubernetes-dashboard-869d64d489 1 1 1 17d
default replicaset.apps/k8s-ingress-nginx-controller-76d87b876b 1 1 1 17d
default replicaset.apps/nginx-errors-5465c9bfd7 1 1 1 46h
kube-system replicaset.apps/cilium-operator-696dc48d8d 1 1 1 17d
kube-system replicaset.apps/coredns-74ff55c5b 2 2 2 17d
metallb-system replicaset.apps/controller-65db86ddc6 1 1 1 17d
NAMESPACE NAME CLASS HOSTS ADDRESS PORTS AGE
default ingress.networking.k8s.io/k8s-ingress-dashboard k8s-ingress-class kubernetes.example.com 10.44.37.201 80, 443 46h
NAMESPACE NAME CONTROLLER PARAMETERS AGE
ingressclass.networking.k8s.io/k8s-ingress-class k8s.io/ingress-nginx IngressParameters/k8s-ingress-class 157m
NAMESPACE NAME CAPACITY ACCESS MODES RECLAIM POLICY STATUS CLAIM STORAGECLASS REASON AGE
persistentvolume/dev-nfs 1Gi RWX Retain Available 17d
> kubectl describe service k8s-ingress-nginx-controller
Name: k8s-ingress-nginx-controller
Namespace: default
Labels: app.kubernetes.io/component=controller
app.kubernetes.io/instance=k8s-ingress-nginx
app.kubernetes.io/managed-by=Helm
app.kubernetes.io/name=ingress-nginx
app.kubernetes.io/version=0.43.0
helm.sh/chart=ingress-nginx-3.22.0
Annotations: meta.helm.sh/release-name: k8s-ingress-nginx
meta.helm.sh/release-namespace: default
Selector: app.kubernetes.io/component=controller,app.kubernetes.io/instance=k8s-ingress-nginx,app.kubernetes.io/name=ingress-nginx
Type: LoadBalancer
IP Families: <none>
IP: 10.98.229.138
IPs: 10.98.229.138
LoadBalancer Ingress: 10.44.37.201
Port: http 80/TCP
TargetPort: http/TCP
NodePort: http 31188/TCP
Endpoints: 10.0.0.75:80
Port: https 443/TCP
TargetPort: https/TCP
NodePort: https 30459/TCP
Endpoints: 10.0.0.75:443
Session Affinity: None
External Traffic Policy: Cluster
Events: <none>
> kubectl describe service k8s-dash-kubernetes-dashboard
Name: k8s-dash-kubernetes-dashboard
Namespace: default
Labels: app.kubernetes.io/component=kubernetes-dashboard
app.kubernetes.io/instance=k8s-dash
app.kubernetes.io/managed-by=Helm
app.kubernetes.io/name=kubernetes-dashboard
app.kubernetes.io/version=2.1.0
helm.sh/chart=kubernetes-dashboard-4.0.0
kubernetes.io/cluster-service=true
Annotations: meta.helm.sh/release-name: k8s-dash
meta.helm.sh/release-namespace: default
Selector: app.kubernetes.io/component=kubernetes-dashboard,app.kubernetes.io/instance=k8s-dash,app.kubernetes.io/name=kubernetes-dashboard
Type: ClusterIP
IP Families: <none>
IP: 10.108.249.46
IPs: 10.108.249.46
Port: https 443/TCP
TargetPort: https/TCP
Endpoints: 10.0.0.2:8443
Session Affinity: None
Events: <none>
> kubectl describe ing k8s-ingress-dashboard
Name: k8s-ingress-dashboard
Namespace: default
Address: 10.44.37.201
Default backend: nginx-errors:80 (10.0.0.157:8080)
TLS:
k8s-secret-dash terminates kubernetes.example.com
Rules:
Host Path Backends
---- ---- --------
kubernetes.example.com
/dashboard k8s-dash-kubernetes-dashboard:443 (10.0.0.2:8443)
Annotations: nginx.ingress.kubernetes.io/rewrite-target: /
Events: <none>
> kubectl describe ingressclass k8s-ingress-class
Name: k8s-ingress-class
Labels: <none>
Annotations: ingressclass.kubernetes.io/is-default-class: True
Controller: k8s.io/ingress-nginx
Parameters:
Kind: IngressParameters
Name: k8s-ingress-class
Events: <none>
Cluster information:
Kubernetes version: 1.20.2
Cloud being used: bare-metal
Installation method: (not sure what to put here)
Host OS: Ubuntu 20.04.1
CNI and version: Cilium v1.9.4
CRI and version: Docker v20.10.2
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