K8s/Service: Difference between revisions

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kubectl -n ingress-nginx exec -it svc/ingress-nginx-controller -c controller -- bash
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kubectl -n ingress-nginx exec -it svc/ingress-nginx-controller -- bash
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Revision as of 21:30, 6 September 2024

External

kubectl config get-contexts
kubectl get ns|grep external
kubectl create namespace external

Internal

kubectl config get-contexts
kubectl get ns|grep internal
kubectl create namespace internal

cat << YML|kubectl apply -n internal -f -
---
apiVersion: v1
kind: Service
metadata:
  name: minikube-host
  namespace: internal
  labels:
    app.kubernetes.io/version: 1.0.0
    app.kubernetes.io/managed-by: kubectl
    app.kubernetes.io/name: minikube-host
    app.kubernetes.io/instance: minikube-host
spec:
  type: ExternalName
  externalName: host.minikube.internal
YML

Ingress » Nginx

kubectl config get-contexts
kubectl get ns|grep ingress-nginx

cat << YML | kubectl apply -n ingress-nginx -f -
---
apiVersion: v1
kind: Service
metadata:
  name: ingress-nginx
  namespace: ingress-nginx
  labels:
    app.kubernetes.io/name: ingress-nginx
    app.kubernetes.io/part-of: ingress-nginx
spec:
  type: LoadBalancer
  ports:
    - name: http
      port: 80
      targetPort: 80
      protocol: TCP
    - name: https
      port: 443
      targetPort: 443
      protocol: TCP
    - name: proxied-tcp-5432
      port: 5432
      targetPort: 5432
      protocol: TCP
    - name: proxied-tcp-6379
      port: 6379
      targetPort: 6379
      protocol: TCP
    - name: proxied-udp-1194
      port: 1194
      targetPort: 1194
      protocol: UDP
    - name: proxied-udp-53
      port: 53
      targetPort: 53
      protocol: UDP
  selector:
    app.kubernetes.io/name: ingress-nginx
    app.kubernetes.io/part-of: ingress-nginx
YML

Playground

kubectl -n external get endpoints
kubectl -n external get service
kubectl -n external get ingress
kubectl -n internal get endpoints
kubectl -n internal get service
kubectl -n internal get ingress
kubectl config get-contexts
sudo -i -u minikube
helm list -A

kubectl get all -A
kubectl get ns

References