DevOps-project-3

Basic Kubernetes infrastructure; deploying a webapp and a mongo-db on a minikube cluster node.

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DevOps-project-3

Basic Kubernetes infrastructure

Basic interface commands used

Install minikube

Install Kubectl

curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl"	
curl -LO "https://dl.k8s.io/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl.sha256"	
echo "$(cat kubectl.sha256)  kubectl" | sha256sum --check	
sudo install -o root -g root -m 0755 kubectl /usr/local/bin/kubectl	
kubectl version --client	
kubectl version --client --output=yaml	

Start minikube (using docker as driver)

minikube start –driver=docker

Deploy configuration files

kubectl apply -f mongo-config.yaml 
kubectl apply -f mongo-secret.yaml 
kubectl apply -f mongo.yaml 
kubectl apply -f webapp.yaml

Finding ip of minikube

minikube ip

or

kubectl get node -o wide

Kubectl basic interface commands

kubectl get <all|configmap|secret|pod|service>

kubectl describe service <name of service. e.g. webapp-service>
kubectl logs mongo-deployment-85d45f7888-gjvf4 //log of actions on a module
kubectl logs mongo-deployment-85d45f7888-gjvf4 -f //streamed log of a module