MetalLB
$ kubectl apply -f https://raw.githubusercontent.com/metallb/metallb/v0.12.1/manifests/namespace.yaml namespace/metallb-system created
$ kubectl apply -f https://raw.githubusercontent.com/metallb/metallb/v0.12.1/manifests/metallb.yaml Warning: policy/v1beta1 PodSecurityPolicy is deprecated in v1.21+, unavailable in v1.25+ podsecuritypolicy.policy/controller created podsecuritypolicy.policy/speaker created serviceaccount/controller created serviceaccount/speaker created clusterrole.rbac.authorization.k8s.io/metallb-system:controller created clusterrole.rbac.authorization.k8s.io/metallb-system:speaker created role.rbac.authorization.k8s.io/config-watcher created role.rbac.authorization.k8s.io/pod-lister created role.rbac.authorization.k8s.io/controller created clusterrolebinding.rbac.authorization.k8s.io/metallb-system:controller created clusterrolebinding.rbac.authorization.k8s.io/metallb-system:speaker created rolebinding.rbac.authorization.k8s.io/config-watcher created rolebinding.rbac.authorization.k8s.io/pod-lister created rolebinding.rbac.authorization.k8s.io/controller created daemonset.apps/speaker created deployment.apps/controller created
$ kubectl get all -n metallb-system NAME READY STATUS RESTARTS AGE pod/controller-57fd9c5bb-c8wfp 1/1 Running 0 69s pod/speaker-dsq8s 1/1 Running 0 69s pod/speaker-gn8gf 1/1 Running 0 69s pod/speaker-l6kkc 1/1 Running 0 69s NAME DESIRED CURRENT READY UP-TO-DATE AVAILABLE NODE SELECTOR AGE daemonset.apps/speaker 3 3 3 3 3 kubernetes.io/os=linux 69s NAME READY UP-TO-DATE AVAILABLE AGE deployment.apps/controller 1/1 1 1 69s NAME DESIRED CURRENT READY AGE replicaset.apps/controller-57fd9c5bb 1 1 1 69s
# vim metallb-config.yaml --- apiVersion: v1 kind: ConfigMap metadata: namespace: metallb-system name: config data: config: | address-pools: - name: default protocol: layer2 addresses: - 2804:694:3000:8000::50-2804:694:3000:8000::60
$ kubectl describe cm config -n metallb-system Name: config Namespace: metallb-system Labels: <none> Annotations: <none> Data ==== config: ---- address-pools: - name: default protocol: layer2 addresses: - 2804:694:3000:8000::50-2804:694:3000:8000::60 BinaryData ==== Events: <none>
$ kubectl create deploy nginx --image=nginx deployment.apps/nginx created
$ kubectl expose deploy nginx --cluster-ip='fd00::1' --type="LoadBalancer" --port 80 --target-port=80 service/nginx exposed
$ kubectl get all NAME READY STATUS RESTARTS AGE pod/nginx-85b98978db-dczt5 1/1 Running 0 5m2s NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE service/kubernetes ClusterIP 10.96.0.1 <none> 443/TCP 26m service/nginx LoadBalancer fd00::1 2804:694:3000:8000::50 80:31832/TCP 5s NAME READY UP-TO-DATE AVAILABLE AGE deployment.apps/nginx 1/1 1 1 5m2s NAME DESIRED CURRENT READY AGE replicaset.apps/nginx-85b98978db 1 1 1 5m2s
$ kubectl describe service nginx Name: nginx Namespace: default Labels: app=nginx Annotations: <none> Selector: app=nginx Type: LoadBalancer IP Family Policy: SingleStack IP Families: IPv6 IP: fd00::1 IPs: fd00::1 LoadBalancer Ingress: 2804:694:3000:8000::50 Port: <unset> 80/TCP TargetPort: 80/TCP NodePort: <unset> 31832/TCP Endpoints: [1100:200::1334:c75d:e2cb:7ec2]:80 Session Affinity: None External Traffic Policy: Cluster Events: Type Reason Age From Message ---- ------ ---- ---- ------- Normal IPAllocated 37s metallb-controller Assigned IP ["2804:694:3000:8000::50"] Normal nodeAssigned 37s metallb-speaker announcing from node "kube-worker-02.juntotelecom.com.br"
$ curl http://[2804:694:3000:8000::50]:80 <!DOCTYPE html> <html> <head> <title>Welcome to nginx!</title> <style> html { color-scheme: light dark; } body { width: 35em; margin: 0 auto; font-family: Tahoma, Verdana, Arial, sans-serif; } </style> </head> <body> <h1>Welcome to nginx!</h1> <p>If you see this page, the nginx web server is successfully installed and working. Further configuration is required.</p> <p>For online documentation and support please refer to <a href="http://nginx.org/">nginx.org</a>.<br/> Commercial support is available at <a href="http://nginx.com/">nginx.com</a>.</p> <p><em>Thank you for using nginx.</em></p> </body> </html>
$ kubectl patch svc nginx -p '{"spec": {"ports": [{"port": 80}],"type": "NodePort"}}'
$ curl -O https://raw.githubusercontent.com/kubernetes/ingress-nginx/master/deploy/static/provider/baremetal/deploy.yaml
$ vim deploy.yaml [...] 321 name: ingress-nginx-controller 322 namespace: ingress-nginx 323 spec: 324 clusterIP: fd00::1 <= ADICIONAR 325 ports: 326 - appProtocol: http [...] 340 type: LoadBalancer <= Alterar de NodePort para LoadBalancer --- [...] 351 name: ingress-nginx-controller-admission 352 namespace: ingress-nginx 353 spec: 354 clusterIP: fd00::2 <= ADICIONAR 355 ports: 356 - appProtocol: https [...]
$ kubectl apply -f deploy.yaml namespace/ingress-nginx created serviceaccount/ingress-nginx created serviceaccount/ingress-nginx-admission created role.rbac.authorization.k8s.io/ingress-nginx created role.rbac.authorization.k8s.io/ingress-nginx-admission created clusterrole.rbac.authorization.k8s.io/ingress-nginx created clusterrole.rbac.authorization.k8s.io/ingress-nginx-admission created rolebinding.rbac.authorization.k8s.io/ingress-nginx created rolebinding.rbac.authorization.k8s.io/ingress-nginx-admission created clusterrolebinding.rbac.authorization.k8s.io/ingress-nginx created clusterrolebinding.rbac.authorization.k8s.io/ingress-nginx-admission created configmap/ingress-nginx-controller created service/ingress-nginx-controller created service/ingress-nginx-controller-admission created deployment.apps/ingress-nginx-controller created job.batch/ingress-nginx-admission-create created job.batch/ingress-nginx-admission-patch created ingressclass.networking.k8s.io/nginx created validatingwebhookconfiguration.admissionregistration.k8s.io/ingress-nginx-admission created
$ kubectl get all -n ingress-nginx NAME READY STATUS RESTARTS AGE pod/ingress-nginx-admission-create-6nspk 0/1 Completed 0 57s pod/ingress-nginx-admission-patch-f97d8 0/1 Completed 0 57s pod/ingress-nginx-controller-7fc8d55869-5gdj4 1/1 Running 0 57s NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE service/ingress-nginx-controller LoadBalancer fd00::1 2804:694:3000:8000::50 80:32549/TCP,443:31547/TCP 57s service/ingress-nginx-controller-admission ClusterIP fd00::2 <none> 443/TCP 57s NAME READY UP-TO-DATE AVAILABLE AGE deployment.apps/ingress-nginx-controller 1/1 1 1 57s NAME DESIRED CURRENT READY AGE replicaset.apps/ingress-nginx-controller-7fc8d55869 1 1 1 57s NAME COMPLETIONS DURATION AGE job.batch/ingress-nginx-admission-create 1/1 3s 57s job.batch/ingress-nginx-admission-patch 1/1 3s 57s
$ kubectl create ingress nginx --class=nginx --rule=nginx.juntotelecom.com.br/*=nginx:80 --dry-run=client -o yaml > service.yaml
apiVersion: networking.k8s.io/v1 kind: Ingress metadata: creationTimestamp: null name: nginx spec: ingressClassName: nginx rules: - host: nginx.juntotelecom.com.br http: paths: - backend: service: name: nginx port: number: 80 path: / pathType: Prefix status: loadBalancer: {}
$ kubectl apply -f service.yaml ingress.networking.k8s.io/nginx created
$ kubectl describe ingress nginx Name: nginx Labels: <none> Namespace: default Address: 177.75.176.42 Default backend: default-http-backend:80 (<error: endpoints "default-http-backend" not found>) Rules: Host Path Backends ---- ---- -------- nginx.juntotelecom.com.br / nginx:80 ([1100:200::1334:c75d:e2cb:7ec2]:80) Annotations: <none> Events: Type Reason Age From Message ---- ------ ---- ---- ------- Normal Sync 24m (x2 over 25m) nginx-ingress-controller Scheduled for sync
$ kubectl get ingress
NAME CLASS HOSTS ADDRESS PORTS AGE
nginx nginx nginx.juntotelecom.com.br 177.75.176.42 80 94s
$ echo "2804:694:3000:8000::50 nginx.juntotelecom.com.br nginx" | sudo tee -a /etc/hosts
$ curl http://nginx.juntotelecom.com.br <!DOCTYPE html> <html> <head> <title>Welcome to nginx!</title> <style> html { color-scheme: light dark; } body { width: 35em; margin: 0 auto; font-family: Tahoma, Verdana, Arial, sans-serif; } </style> </head> <body> <h1>Welcome to nginx!</h1> <p>If you see this page, the nginx web server is successfully installed and working. Further configuration is required.</p> <p>For online documentation and support please refer to <a href="http://nginx.org/">nginx.org</a>.<br/> Commercial support is available at <a href="http://nginx.com/">nginx.com</a>.</p> <p><em>Thank you for using nginx.</em></p> </body> </html>