=================================
DevOps Project Setup ( CI & CD )
=================================

In this project we are using below devops tools

1) Git Hub
2) Maven
3) SonarQube
4) Nexus
5) Trivy
6) Docker
7) Kubernetes
8) Jenkins

===================
DB Setup	
===================	

Step-1 :: Setup AWS RDS MySQL Instance and note down DB details

		DB Endpoint : mysql-dev-db.cjmqwwo0a08x.ap-south-1.rds.amazonaws.com
		DB Username : admin
		DB Password : AshokIT321


Step-2 :: Connect with MySQL DB using Workbench s/w and execute sql queries to insert products data into db tables.

Note: DB Queries file available in backend_app git repo

# Backend App Git Repo : https://github.com/ashokitschool/01_products_api.git

	DB Queries File Name: DB_Setup.sql

########################### CI JOB Setup ############################


==============
Jenkins Setup
==============

@@@ Step-1 ::  Setup Jenkins Server : https://github.com/ashokitschool/DevOps-Documents/blob/main/01-Jenkins-Server-Setup.md

			uname : ashokit
			pwd : ashokit


@@@ Step-2 :: Configure Maven as Global Tool in Jenkins

Manage Jenkins -> Tools -> Maven Installation -> Add maven

		Maven Tool name : Maven-3.9.10

@@@ Step-3 :: Configure RDS DB instance connectivity Details in backend app git repo

	# Backend App Git Repo : https://github.com/ashokitschool/01_products_api.git

	File to change : src/main/resources/application.properties

@@@ Step-4 :: Create CI JOB to build backend application

		Stage-1 : Clone Git Repo

		Stage-2 : Maven Build

```
pipeline {
    agent any
    
    tools{
        maven "Maven-3.9.10"
    }

    stages {
        stage('Git clone') {
            steps {
                git branch: 'main', url: 'https://github.com/ashokitschool/01_products_api.git'
            }
        }
        stage('Mvn Build') {
            steps {
                sh 'mvn clean package'
            }
        }
    }
}

```

=======================
SonarQube Integration
=======================


@@@ Step-1 :: Setup SonarQube Server

	@@ Steps : https://github.com/ashokitschool/DevOps-Documents/blob/main/06-Sonar-Setup-Docker.md

	@@ Generate Sonar Token : sqa_ae95877407c19c7b633dd5c66a579efc3fe2c943

@@@ Step-2 :: Add Sonar Token in 'Jenkins Credentials' as Secret Text

			-> Manage Jenkins
			-> Credentials
			-> Add Credentials
			-> Select Secret text
			-> Enter Sonar Token as secret text


@@@ Step-3 :: Install SonarQube Scanner Plugin

			-> Manage Jenkins 
			-> Plugins 
			-> Available 
			-> Sonar Qube Scanner Plugin 
			-> Install it

@@@ Step-4 :: Configure SonarQube Server

			-> Manage Jenkins 
			-> Configure System 
			-> Sonar Qube Servers 
			-> Add Sonar Qube Server 
				- Name : Sonar-Server-AIT 
				- Server URL : http://52.66.247.11:9000/ 
				- Select Sonar Server Token


@@@ Step-5 :: Add SonarQube Stage in Jenkins Pipeline


```
stage('Code Review') {
    steps {
       withSonarQubeEnv('Sonar-Server-AIT'){
           sh 'mvn sonar:sonar'
       }
    }
}
```        

==================
Nexus Integration
==================


@@@ Step-1 ::  Setup Nexus Server 

	Steps : https://github.com/ashokitschool/DevOps-Documents/blob/main/07-Nexus-Setup-Docker.md

	Username : admin
	Pwd : AshokIT321

@@@ Step-2 :: Create Repository in Nexus

	Repo Type : Maven2 (Hosted)

	repo name : ashokit-artifact-repo

	Repo Url : http://43.205.213.177:8081/repository/ashokit-artifact-repo/

@@@ Step-3 :: Install Nexus Repository Plugin

	-> Manage Plugins 
	-> Available Pluging
	-> Plugin Name : Nexus Artifact Uploader


@@@ Step-4 :: Configure Nexus Upload stage in Jenkins Pipeline (use pipeline syntax to generate script)

```

stage('Nexus Upload') {
    steps {
      nexusArtifactUploader artifacts: [
              [
                  artifactId: '01_products_api', 
                  classifier: '', 
                  file: 'target/products_api.jar', 
                  type: 'jar'
                  
              ]
          ], 
          credentialsId: 'NEXUS-CREDENTIALS', 
          groupId: 'in.ashokit', 
          nexusUrl: '43.205.213.177:8081', 
          nexusVersion: 'nexus3', 
          protocol: 'http', 
          repository: 'ashokit-artifact-repo', 
          version: '1.0'
    }
}

```

====================
Docker Integration
====================

@@@ Step-1 :: Setup Docker s/w in Jenkins Server

```
sudo apt update
curl -fsSL get.docker.com | /bin/bash
sudo usermod -aG docker ubuntu
sudo usermod -aG docker jenkins 
sudo systemctl restart docker
sudo systemctl restart jenkins
exit

```


@@@ Step-2 :: Add Stage to create Docker Image

```
stage('Docker Image') {
    steps {
      sh 'docker build -t ashokit/ecomm_backend_api .'
    }
}
```

@@@ Step-3 :: Add Stage to Push Docker Image to docker Hub


stage('Push Docker Image') {
    steps {
         sh 'docker login -u ashokit -p token'
         sh 'docker push ashokit/ecomm_backend_api'
    }
}

====================
Trivy Integration
====================

@@@ Step-1 :: Setup Trivy Jenkins Server

```
sudo apt update -y
curl -sfL https://raw.githubusercontent.com/aquasecurity/trivy/main/contrib/install.sh | sudo sh -s -- -b /usr/local/bin	
```

@@@ Step-2 :: Add Trivy Scanning stage in Jenkins Pipeline

```
stage('Trivy Scan') {
    steps {
        script {
            sh '''
                docker run --rm -v /var/run/docker.sock:/var/run/docker.sock \
                aquasec/trivy image --severity CRITICAL,HIGH ashokit/ecomm_backend_api
            '''
        }
    }
}
```

########################### CD JOB Setup ############################

@@@ Step-1 : Setup EKS Cluster

  ### Setup Doc : https://github.com/ashokitschool/DevOps-Documents/blob/main/05-EKS-Setup.md

Step-2 : Jenkins with Kubernetes (EKS) Integration

		- Attach EKS IAM Role to Jenkins Server

		- Install AWS CLI in Jenkins Server

		- Install Kubectl in Jenkins Server

		- Update EKS Cluster Config File in Jenkins Server


  ### Setup Doc : https://github.com/ashokitschool/DevOps-Documents/blob/main/10-Jenkins-Docker-K8S.md


@@@ Step-3 : Create CD JOB

```
pipeline {
    agent any   

    stages {
        stage('Git clone') {
            steps {
                git branch: 'main', url: 'https://github.com/ashokitschool/01_products_api.git'
            }
        }
        stage('k8s deployment') {
            steps {
                 sh 'kubectl apply -f k8s-deploy.yml'
            }
        }
    }
}
```

@@@ Step-4 : Trigger CD JOB From CI JOB (add new stage in CI JOB)

@@@ Step-5 : Run CI JOB (it will trigger CD also)