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Update DevOps-Project-with-Jenkins-Maven-and-Kubernetes.txt
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‎DevOps-Project-with-Jenkins-Maven-and-Kubernetes.txt‎

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@@ -44,3 +44,147 @@ $ echo $PATH
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$ mvn -v
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Java Path -- /usr/lib/jvm/java-11-openjdk-11.0.19.0.7-1.amzn2.0.1.x86_64
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MAVEN_HOME:/opt/maven //You need to add this at Jenkins Job under Maven Installations
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===============================Ansible Server setup and Ansible Installation==================================
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$ sudo nano /etc/hostname
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$ useradd ansadmin
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$ passwd ansadmin
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$ visudo
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ansadmin ALL=(ALL) NOPASSWD: ALL //add this in sudo file.
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$ cd /etc/ssh
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$ nano sshd_config
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$ service sshd reload
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$ ssh-keygen
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public key is at /home/ansadmin/.ssh/id_rsa.pub
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$ sudo su , amazon-linux-extras install ansible2
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$ ansible --version
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===============================Integrate Ansible with Jenkins==================================
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$ cd /opt
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$ sudo mkdir docker
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$ sudo chown ansadmin:ansadmin docker
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Source files:webapp/target/*.war Remove prefix:webapp/target Remote directory://opt//docker
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===============================Install and Configure Docker on Ansible Server==================================
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$ sudo yum install docker
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$ sudo usermod -aG docker ansadmin
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$ id ansadmin
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$ sudo service docker start
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$ sudo systemctl start docker
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$ nano Dockerfile
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FROM tomcat:latest
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RUN cp -R /usr/local/tomcat/webapps.dist/* /usr/local/tomcat/webapps
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COPY ./*.war /usr/local/tomcat/webapps
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===============================Create Ansible Playbook to Create Docker Image and Copy Image to DockerHub==================================
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$ ifconfig
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$ sudo nano /etc/ansible/hosts
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[ansible]
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local-host-ip
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$ ssh-copy-id local-host-ip
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$ nano regapp.yml
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---
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- hosts: ansible
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tasks:
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- name: create docker image
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command: docker build -t regapp:latest .
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args:
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chdir: /opt/docker
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- name: create tag to push image onto dockerhub
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command: docker tag regapp:latest ashfaque9x/regapp:latest
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- name: push docker image
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command: docker push ashfaque9x/regapp:latest
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$ ansible-playbook regapp.yml --check
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$ ansible-playbook regapp.yml
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Exec Command:ansible-playbook /opt/docker/regapp.yml
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===============================Setup Bootstrap Server for eksctl==================================
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# Install AWS Cli on the above EC2
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Refer==https://docs.aws.amazon.com/cli/latest/userguide/getting-started-install.html
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$ curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip"
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$ unzip awscliv2.zip
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$ sudo ./aws/install
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OR
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$ sudo yum remove -y aws-cli
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$ pip3 install --user awscli
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$ sudo ln -s $HOME/.local/bin/aws /usr/bin/aws
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$ aws --version
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# Installing kubectl
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Refer===https://docs.aws.amazon.com/eks/latest/userguide/install-kubectl.html
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$ curl -O https://s3.us-west-2.amazonaws.com/amazon-eks/1.27.1/2023-04-19/bin/linux/amd64/kubectl
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$ chmod +x ./kubectl
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$ mv kubectl /bin OR $ mv kubectl /usr/local/bin
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$ kubectl version --output=yaml
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#Installing or eksctl
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Refer==https://github.com/eksctl-io/eksctl/blob/main/README.md#installation
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$ curl --silent --location "https://github.com/weaveworks/eksctl/releases/latest/download/eksctl_$(uname -s)_amd64.tar.gz" | tar xz -C /tmp
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$ cd /tmp
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$ sudo mv /tmp/eksctl /bin OR $ sudo mv /tmp/eksctl /usr/local/bin
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$ eksctl version
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# Setup Kubernetes using eksctl
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Refer===https://github.com/aws-samples/eks-workshop/issues/734
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eksctl create cluster --name virtualtechbox-cluster \
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--region ap-south-1 \
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--node-type t2.small \
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$ kubectl get nodes
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# Create deployment Manifest File
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Refer===https://kubernetes.io/docs/concepts/workloads/controllers/deployment/
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$ nano regapp-deployment.yml
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apiVersion: apps/v1
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kind: Deployment
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metadata:
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name: virtualtechbox-regapp
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labels:
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app: regapp
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spec:
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replicas: 2
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selector:
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matchLabels:
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app: regapp
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template:
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metadata:
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labels:
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app: regapp
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spec:
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containers:
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- name: regapp
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image: ashfaque9x/regapp
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imagePullPolicy: Always
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ports:
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- containerPort: 8080
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strategy:
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type: RollingUpdate
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rollingUpdate:
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maxSurge: 1
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maxUnavailable: 1
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# Create Service Manifest File
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Refer===https://kubernetes.io/docs/tutorials/services/connect-applications-service/
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$ nano regapp-service.yml
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apiVersion: v1
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kind: Service
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metadata:
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name: virtualtechbox-service
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labels:
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app: regapp
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spec:
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selector:
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app: regapp
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ports:
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- port: 8080
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targetPort: 8080
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type: LoadBalancer
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