jenkins.yaml

def COLOR_MAP = [
    'SUCCESS': 'good', 
    'FAILURE': 'danger',
]
properties([pipelineTriggers([githubPush()])])
pipeline {
  agent any  
  environment {
    //put your environment variables
    doError = '0'
    DOCKER_REPO = "12345678.dkr.ecr.ap-south-1.amazonaws.com/${JOB_NAME}"
    AWS_DEFAULT_REGION = "ap-south-1"
    CHART_DIR="$JENKINS_HOME/workspace/helm-integration/helm"
    HELM_RELEASE_NAME = "api-service"
    ENV= """${sh(
  		returnStdout: true,
  		script: 'declare -n ENV=${GIT_BRANCH}_env ; echo "$ENV"'
    ).trim()}"""
  }
    options {
        buildDiscarder(logRotator(numToKeepStr: '20')) 
  }   
  stages {
    stage ('Build and Test') {
      steps {
        sh '''
        docker build \
        -t ${DOCKER_REPO}:${BUILD_NUMBER} .
        #put your Test cases
        echo 'Starting test cases'
        '''    
      }
    }  
    stage ('Artefact') {
      steps {
        sh '''
        $(aws ecr get-login --region ap-south-1 --no-include-email)
        docker push ${DOCKER_REPO}:${BUILD_NUMBER}
        '''
        }
    }   
    stage ('Deploy') {
      steps {
        sh '''
        declare -n CLUSTER_NAME=${ENV}_cluster
        aws eks --region $AWS_DEFAULT_REGION  update-kubeconfig --name ${CLUSTER_NAME}
        kubectl config set-context --current --namespace=$ENV
        helm upgrade --install ${HELM_RELEASE_NAME} ${CHART_DIR}/${HELM_RELEASE_NAME}/ \
        --set image.repository=${DOCKER_REPO} \
        --set image.tag=${BUILD_NUMBER} \
        --set environment=-${ENV} \
        -f ${CHART_DIR}/${HELM_RELEASE_NAME}/values.yaml \
        --namespace ${ENV}
        '''
      }
    }
    stage('Cleanup') {
      steps{
        sh "docker rmi ${DOCKER_REPO}:${BUILD_NUMBER}"
      }
  }
// slack notification configuration 
  stage('Error') {
    // when doError is equal to 1, return an error
    when {
        expression { doError == '1' }
    }
    steps {
        echo "Failure :("
        error "Test failed on purpose, doError == str(1)"
    }
}
  stage('Success') {
    // when doError is equal to 0, just print a simple message
    when {
        expression { doError == '0' }
    }
    steps {
        echo "Success :)"
    }
}
  }
    // Post-build actions
  post {
      always {
          slackSend channel: '#jenkins-notification',
              color: COLOR_MAP[currentBuild.currentResult],
              message: "*${currentBuild.currentResult}:* Job ${env.JOB_NAME} build ${env.BUILD_NUMBER} More info at: $RUN_DISPLAY_URL"
      }
  }
}