Master and slave vim install.sh (create vim file) and put the below command into the file

apt-get update -y

apt-get install docker.io -y

service docker restart

curl -s https://packages.cloud.google.com/apt/doc/apt-key.gpg | apt-key add -

echo "deb http://apt.kubernetes.io/ kubernetes-xenial main" >/etc/apt/sources.list.d/kubernetes.list

apt-get update

apt install kubeadm=1.20.0-00 kubectl=1.20.0-00 kubelet=1.20.0-00 -y

sh install.sh (run the vim file)

Master node:

kubeadm init --pod-network-cidr=192.168.0.0/16

*If above one fails then run below command

kubeadm token create --print-join-command (run this command on to the worker-node)

Master node:

mkdir -p $HOME/.kube

sudo cp -i /etc/kubernetes/admin.conf $HOME/.kube/config

sudo chown $(id -u):$(id -g) $HOME/.kube/config

Master node:

kubectl apply -f https://raw.githubusercontent.com/projectcalico/calico/v3.25.1/manifests/calico.yaml

kubectl apply -f https://raw.githubusercontent.com/kubernetes/ingress-nginx/controller-v0.49.0/deploy/static/provider/baremetal/deploy.yaml

kubectl get nodes

sudo apt update (update the server) sudo apt install openjdk-11-jdk -y (installing java) java --version sudo apt install maven -y (installing maven) sudo apt install docker.io -y (installing docker)

curl -fsSL https://pkg.jenkins.io/debian-stable/jenkins.io-2023.key | sudo tee
/usr/share/keyrings/jenkins-keyring.asc > /dev/null echo deb [signed-by=/usr/share/keyrings/jenkins-keyring.asc]
https://pkg.jenkins.io/debian-stable binary/ | sudo tee
/etc/apt/sources.list.d/jenkins.list > /dev/null sudo apt-get update sudo apt-get install jenkins

sudo apt-get install wget apt-transport-https gnupg lsb-release wget -qO - https://aquasecurity.github.io/trivy-repo/deb/public.key | sudo apt-key add - echo deb https://aquasecurity.github.io/trivy-repo/deb $(lsb_release -sc) main | sudo tee -a /etc/apt/sources.list.d/trivy.list sudo apt-get update sudo apt-get install trivy -y

trivy images imagename trivy fs --security-check vuln,config Folder_name_OR_Path trivy image --severity HIGH,CRITICAL image_name trivy image -f html -o results.html image_name

trivy repo repo-url trivy k8s --report summary cluster https://github.com/jenkinsci/aqua-security-scanner-plugin/tree/master

docker run -d --name sonar -p 9000:9000 sonarqube:lts-community deflut username:- admin password:- admin docker ps

sudo usermod -aG docker jenkins sudo newgrp docker

restart the docker nd jenkins aswell

sudo systemctl restart docker sudo systemctl restart jenkins

CI-CD Pipeline

Eclipse Temurin installerVersion1.5 --> This plugin is for JDK11

Add JDK into globaltools section Name jdk11 click install automatically --> Install from adoptium.net --> version jdk-11.0.19+7 --> apply and save

Add Maven tool into alobaltools section Name maven3 click install automatically --> Install from Apache --> version 3.6.0 --> apply and save

SonarQube ScannerVersion 2.15 --> this plugin is for sonarqube scanner in jenkins ci-cd ->Open the sonarqube-server goto the adminitrastions section goto security then give the name for the toke then click the generate the token ex :- squ_df1cb098b118517d0728cd17fc54316fed14aa38 (token) ->Then goto the globaltools create credit