카타코더 k8s - Launch A Single Node Cluster

1 개요[ | ]

카타코더 Kubernetes - Launch A Single Node Cluster
카타코더 Kubernetes - Launch Single Node Kubernetes Cluster

카타코더 Kubernetes
#	🔗	제목
카타코더 Kubernetes/1 e
	🡵	카타코더 k8s - Launch A Single Node Cluster
	🡵	카타코더 k8s - Launch a multi-node cluster using Kubeadm
	🡵	카타코더 k8s - Deploy Containers Using Kubectl
	🡵	카타코더 k8s - Deploy Containers Using YAML
	🡵	카타코더 k8s - Deploy Guestbook Web App Example
	🡵	카타코더 k8s - Networking Introduction
	🡵	카타코더 k8s - Create Ingress Routing
	🡵	카타코더 k8s - Liveness and Readiness Healthchecks
	🡵	카타코더 k8s - Getting Started With CRI-O and Kubeadm
	🡵	카타코더 k8s - Running Stateful Services on Kubernetes

2 Minikube 시작[ | ]

$ minikube version
minikube version: v0.34.1

$ minikube start
o   minikube v0.34.1 on linux (amd64)
>   Configuring local host environment ...
>   Creating none VM (CPUs=2, Memory=2048MB, Disk=20000MB) ...
-   "minikube" IP address is 172.17.0.66
-   Configuring Docker as the container runtime ...
-   Preparing Kubernetes environment ...
@   Downloading kubeadm v1.13.3
@   Downloading kubelet v1.13.3
-   Pulling images required by Kubernetes v1.13.3 ...
-   Launching Kubernetes v1.13.3 using kubeadm ...
-   Configuring cluster permissions ...
-   Verifying component health .....
+   kubectl is now configured to use "minikube"
=   Done! Thank you for using minikube!

3 클러스터 정보[ | ]

$ kubectl cluster-info
Kubernetes master is running at https://172.17.0.66:8443
KubeDNS is running at https://172.17.0.66:8443/api/v1/namespaces/kube-system/services/kube-dns:dns/proxy

To further debug and diagnose cluster problems, use 'kubectl cluster-info dump'.

$ kubectl get nodes
NAME       STATUS   ROLES    AGE   VERSION
minikube   Ready    master   49s   v1.13.3

4 컨테이너 배포[ | ]

$ kubectl run first-deployment --image=katacoda/docker-http-server --port=80
kubectl run --generator=deployment/apps.v1 is DEPRECATED and will be removed in a future version. Use kubectl run --generator=run-pod/v1 or kubectl create instead.
deployment.apps/first-deployment created

$ kubectl get pods
NAME                                READY   STATUS    RESTARTS   AGE
first-deployment-5bc5c8cd58-6dflj   1/1     Running   0          21s

$ kubectl expose deployment first-deployment --port=80 --type=NodePort
service/first-deployment exposed

$ export PORT=$(kubectl get svc first-deployment -o go-template='{{range.spec.ports}}{{if .nodePort}}{{.nodePort}}{{"\n"}}{{end}}{{end}}')
$ echo $PORT
32362

$ curl host01:$PORT
<h1>This request was processed by host: first-deployment-5bc5c8cd58-6dflj</h1>

5 대시보드[ | ]

$ minikube addons enable dashboard
-   dashboard was successfully enabled

$ kubectl apply -f /opt/kubernetes-dashboard.yaml
service/kubernetes-dashboard-katacoda created

6 같이 보기[ | ]

minikube