Minikube: Difference between revisions

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{| class="wikitable sortable"
{| class="wikitable sortable"
|-
|-
! Order !! Port Type !! Internal IP !! Internal Port !! External IP !! External Port
! Order !! Port Type !! Internal IP !! Internal Port !! External IP !! External Port
|-
|-
| <code>1</code> || <code>TCP</code> || <code>0.0.0.0</code> ||  <code>32443</code> ||  <code>127.0.0.1</code> || <code>49153</code>
| <code>1</code> || <code>TCP</code> || <code>0.0.0.0</code> ||  <code>32443</code> ||  <code>127.0.0.1</code> || <code>49153</code>

Revision as of 17:02, 22 May 2022

sudo mkdir -p /opt/cli/minikube-linux-amd64/bin
curl -sLO https://storage.googleapis.com/minikube/releases/latest/minikube-linux-amd64
sudo install minikube-linux-amd64 /opt/cli/minikube-linux-amd64/bin/minikube

sudo update-alternatives --install /usr/local/bin/minikube minikube\
 /opt/cli/minikube-linux-amd64/bin/minikube 1980
rm -rf minikube-linux-amd64
Order Port Type Internal IP Internal Port External IP External Port
1 TCP 0.0.0.0 32443 127.0.0.1 49153
2 TCP 0.0.0.0 8443 127.0.0.1 49154
3 TCP 0.0.0.0 5000 127.0.0.1 49155
4 TCP 0.0.0.0 2376 127.0.0.1 49156
5 TCP 0.0.0.0 22 127.0.0.1 49157

Kubectl

curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | sudo apt-key add -
cat << EOF | sudo tee /etc/apt/sources.list.d/kubernetes.list
deb https://apt.kubernetes.io/ kubernetes-xenial main
EOF
sudo apt install kubectl

Cluster

minikube start
:'
😄  minikube v1.25.2 on Ubuntu 22.04
✨  Automatically selected the docker driver. Other choices: none, ssh
👍  Starting control plane node minikube in cluster minikube
🚜  Pulling base image ...
💾  Downloading Kubernetes v1.23.3 preload ...
    > preloaded-images-k8s-v17-v1...: 505.68 MiB / 505.68 MiB  100.00% 4.60 MiB
    > gcr.io/k8s-minikube/kicbase: 379.06 MiB / 379.06 MiB  100.00% 2.47 MiB p/
🔥  Creating docker container (CPUs=2, Memory=6900MB) ...
🐳  Preparing Kubernetes v1.23.3 on Docker 20.10.12 ...
    ▪ kubelet.housekeeping-interval=5m
    ▪ Generating certificates and keys ...
    ▪ Booting up control plane ...
    ▪ Configuring RBAC rules ...
🔎  Verifying Kubernetes components...
    ▪ Using image gcr.io/k8s-minikube/storage-provisioner:v5
🌟  Enabled addons: storage-provisioner, default-storageclass
🏄  Done! kubectl is now configured to use "minikube" cluster and "default" namespace by default
'
kubectl get po -A
minikube kubectl -- get po -A
:'
NAMESPACE     NAME                               READY   STATUS    RESTARTS        AGE
kube-system   coredns-64897985d-thxhw            1/1     Running   0               8m14s
kube-system   etcd-minikube                      1/1     Running   0               8m26s
kube-system   kube-apiserver-minikube            1/1     Running   0               8m26s
kube-system   kube-controller-manager-minikube   1/1     Running   0               8m26s
kube-system   kube-proxy-xqfl2                   1/1     Running   0               8m13s
kube-system   kube-scheduler-minikube            1/1     Running   0               8m26s
kube-system   storage-provisioner                1/1     Running   1 (7m43s ago)   8m25s
'

Dashboard

minikube dashboard
:'
🔌  Enabling  ...
    ▪ Using image kubernetesui/metrics-scraper:v1.0.7
    ▪ Using image kubernetesui/dashboard:v2.3.1
🤔  Verifying dashboard health ...
🚀  Launching proxy ...
🤔  Verifying proxy health ...
🎉  Opening http://127.0.0.1:36403/api/v1/namespaces/kubernetes-dashboard/services/http:kubernetes-dashboard:/proxy/ in your default browser...
Gtk-Message: 17:34:36.652: Failed to load module "canberra-gtk-module"
Gtk-Message: 17:34:36.654: Failed to load module "canberra-gtk-module"
'

Deploy

kubectl create deployment hello-minikube --image=k8s.gcr.io/echoserver:1.4
kubectl expose deployment hello-minikube --type=NodePort --port=8080
kubectl get services hello-minikube
minikube service hello-minikube
kubectl port-forward service/hello-minikube 7080:8080
http://localhost:7080/
LoadBalancer deployments
kubectl create deployment balanced --image=k8s.gcr.io/echoserver:1.4  
kubectl expose deployment balanced --type=LoadBalancer --port=8080
minikube tunnel
kubectl get services balanced

Knowledge

minikube stop
minikube start
minikube pause
minikube unpause
minikube addons list
minikube delete --all
minikube config set memory 16384
minikube start -p aged --kubernetes-version=v1.16.1
minikube start -p aged --kubernetes-version=v1.24.0

References