K8s: Difference between revisions

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minikube addons enable ingress


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kubectl get pods -n ingress-nginx


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Revision as of 10:42, 1 June 2023

Kind

  • Pod
  • PersistentVolume
  • PersistentVolumeClaim
  • Deployment
  • DeploymentConfig
  • ReplicaSet
  • ReplicationController
  • StorageClass

Volume

cat <<EOF | kubectl apply -f -
apiVersion: v1
kind: PersistentVolume
metadata:
  name: chorke-pv
spec:
  capacity:
    storage: 10Gi
  volumeMode: Filesystem
  accessModes:
    - ReadWriteOnce
  persistentVolumeReclaimPolicy: Retain
  storageClassName: chorke-local-storage
  hostPath:
    path: /home/shahed/.chorke/academia/var/k8s
  nodeAffinity:
    required:
      nodeSelectorTerms:
      - matchExpressions:
        - key: k8s.io/minikube-hostpath
          operator: In
          values:
          - node-hostname   
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: chorke-pvc
spec:
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 10Gi
  storageClassName: chorke-local-storage
EOF
cat <<EOF | kubectl delete -f -
apiVersion: v1
kind: PersistentVolume
metadata:
  name: chorke-pv
spec:
  capacity:
    storage: 10Gi
  volumeMode: Filesystem
  accessModes:
    - ReadWriteOnce
  persistentVolumeReclaimPolicy: Retain
  storageClassName: chorke-local-storage
  hostPath:
    path: /home/shahed/.chorke/academia/var/k8s
  nodeAffinity:
    required:
      nodeSelectorTerms:
      - matchExpressions:
        - key: k8s.io/minikube-hostpath
          operator: In
          values:
          - node-hostname   
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
  name: chorke-pvc
spec:
  accessModes:
    - ReadWriteOnce
  resources:
    requests:
      storage: 10Gi
  storageClassName: chorke-local-storage
EOF


Argo CD

kubectl create namespace argocd
kubectl get namespace -A

kubectl apply -n argocd -f https://raw.githubusercontent.com/argoproj/argo-cd/stable/manifests/install.yaml

kubectl get -n=argocd pod
kubectl get -n=argocd service -n argocd
kubectl port-forward -n=argocd service/argocd-server 8080:80

kubectl get -n=argocd -o=yaml secret argocd-initial-admin-secret
echo  RE83Uk81QTU5clZyLTlsdg== | base64 --decode
https://localhost:8080/login

kubectl get -n=argocd configmap
kubectl get -n=argocd deployment
kubectl get -n=argocd service
kubectl get -n=argocd secret
kubectl get -n=argocd event
kubectl get -n=argocd pod
kubectl edit -n=argocd configmap  argocd-rbac-cm
kubectl edit -n=argocd configmap  argocd-cm
kubectl edit -n=argocd deployment argocd-redis
kubectl edit -n=argocd service    argocd-redis
kubectl edit -n=argocd secret     argocd-secret
kubectl edit -n=argocd pod        argocd-app-ctrl-0
kubectl get -n=argocd -o=yaml configmap  argocd-rbac-cm
kubectl get -n=argocd -o=yaml configmap  argocd-cm
kubectl get -n=argocd -o=yaml deployment argocd-redis
kubectl get -n=argocd -o=yaml service    argocd-redis
kubectl get -n=argocd -o=yaml secret     argocd-secret
kubectl get -n=argocd -o=yaml pod        argocd-app-ctrl-0

Knowledge

snap services maas
snap services juju
snap services lxd
minikube addons enable default-storageclass
minikube addons enable metrics-server
minikube addons enable metallb
minikube addons configure metallb
minikube addons enable olm
minikube addons list

minikube addons enable ingress
kubectl get pods -n ingress-nginx

References