Jenkinsfile

pipeline {
    agent any

    environment {
        USER_NAME = "vikram"
        SERVICE_NAME = "odin"
        AWS_REGION = "us-east-1"
        REPO_NAME = "${USER_NAME}/${SERVICE_NAME}"
        ECR_REPO_URI = "738035286324.dkr.ecr.${AWS_REGION}.amazonaws.com/${REPO_NAME}"
    }

    stages {
        stage("build-and-test") {
            steps {
                sh 'mvn clean install'
            }
        }

        stage ('build-docker-image-and-push-to-registry') {
            steps {
                script {
                    GIT_SHA = sh(returnStdout: true, script: 'git rev-parse HEAD').trim()
                    buildDockerImageAndPushToECR(GIT_SHA, REPO_NAME, AWS_REGION, ECR_REPO_URI)
                }
            }
        }
    }
}

def buildDockerImageAndPushToECR(imageTag, repoName, region, repoUri) {
    ensureDockerRepoExists(repoName, region)
    sh "docker build . -t ${repoName}:${imageTag} --build-arg JAR_FILE=target/ecsworkshop.service1-1.0-SNAPSHOT.jar"
    sh "docker tag ${repoName}:${imageTag} ${repoUri}:${imageTag}"
    sh "\$(aws ecr get-login --no-include-email --region ${region})"
    sh "docker push ${repoUri}:${imageTag}"
}


def ensureDockerRepoExists(repoName, region) {
    script {
        sh "\$(aws ecr get-login --no-include-email --region ${region})"
        try {
            sh "echo 'Ensure that ECR repository exists: ${repoName}'"
            sh "aws ecr create-repository --repository-name ${repoName} --region ${region}"
        } catch (e) {
            /* ignore if repository already exists. */
        }
    }
}