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‎Kubernetes/Kubernetes Demo Files/1.Pods.txt

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*******************************************************************
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.
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. Demo: POD | Raman Sharma
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.
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*******************************************************************
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# 1. https://labs.play-with-k8s.com/
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# nginx-pod.yaml
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apiVersion: v1
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kind: Pod
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metadata:
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name: nginx-pod
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labels:
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app: nginx
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tier: dev
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spec:
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containers:
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- name: nginx-container
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image: nginx
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*******************************************************************
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2. Create and display Pods
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# Create and display PODs
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kubectl create -f nginx-pod.yaml
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kubectl get pod
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kubectl get pod -o wide
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kubectl get pod nginx-pod -o yaml
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kubectl describe pod nginx-pod
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*******************************************************************
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3. Test & Delete
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# To get inside the pod
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kubectl exec -it nginx-pod -- /bin/sh
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# Create test HTML page
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cat <<EOF > /usr/share/nginx/html/test.html
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<!DOCTYPE html>
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<html>
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<head>
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<title>Testing..</title>
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</head>
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<body>
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<h1 style="color:rgb(90,70,250);">Hello, Kubernetes...!</h1>
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<h2>Congratulations, you passed :-) </h2>
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</body>
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</html>
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EOF
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exit
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# Expose PODS using NodePort service
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kubectl expose pod nginx-pod --type=NodePort --port=80
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# Display Service and find NodePort
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kubectl describe svc nginx-pod
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kubectl get svc
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# Open Web-browser and access webapge using
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http://nodeip:nodeport/test.html
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# Delete pod & svc
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kubectl delete svc nginx-pod
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kubectl delete pod nginx-pod
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*******************************************************************

‎Kubernetes/Kubernetes Demo Files/10.Load-Balancer.txt

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*******************************************************************
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*
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* Demo: Load Balancer Service | Srinath Challa
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*
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*
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*******************************************************************
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# 1. YAML: Deployment & Load Balancer Service
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# Deployment
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# controllers/nginx-deploy.yaml
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: nginx-deployment
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labels:
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app: nginx-app
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spec:
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replicas: 1
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selector:
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matchLabels:
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app: nginx-app
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template:
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metadata:
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labels:
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app: nginx-app
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spec:
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containers:
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- name: nginx-container
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image: nginx:1.7.9
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ports:
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- containerPort: 80
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------------------------------------
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# Service - LoadBalancer
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#lb.yaml
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apiVersion: v1
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kind: Service
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metadata:
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name: my-service
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labels:
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app: nginx-app
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spec:
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selector:
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app: nginx-app
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type: LoadBalancer
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ports:
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- nodePort: 31000
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port: 80
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targetPort: 80
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*******************************************************************
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2. Create & Display: Deployment & Load Balancer Service
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kubectl create �f nginx-deploy.yaml
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kubectl create -f lb.yaml
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kubectl get pod -l app=nginx-app
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kubectl get deploy -l app=nginx-app
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kubectl get service -l app=nginx-app
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kubectl describe service my-service
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*******************************************************************
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3. Testing Load Balancer Service
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# To get inside the pod
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kubectl exec -it [pod-name] -- /bin/sh
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# Create test HTML page
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cat <<EOF > /usr/share/nginx/html/test.html
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<!DOCTYPE html>
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<html>
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<head>
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<title>Testing..</title>
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</head>
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<body>
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<h1 style="color:rgb(90,70,250);">Hello, Kubernetes...!</h1>
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<h2>Load Balancer is working successfully. Congratulations, you passed :-) </h2>
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</body>
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</html>
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EOF
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exit
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# Test using load-balancer-ip
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http://load-balancer-ip
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http://load-balancer-ip/test.html
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# Testing using nodePort
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http://nodeip:nodeport
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http://nodeip:nodeport/test.html
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*******************************************************************
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4. Cleanup
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kubectl delete �f nginx-deploy.yaml
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kubectl delete -f lb.yaml
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kubectl get pod
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kubectl get deploy
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kubectl get service
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*******************************************************************
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