cron-operator/Jenkinsfile

node {
    checkout scm

    def branch = env.BRANCH_NAME
    def build = env.BUILD_NUMBER
    def image
    def repository = "iam21h/cron-operator"
    def image_name = "${repository}"
    def commit_hash = checkout(scm).GIT_COMMIT
    def git_tag = env.TAG_NAME
    def version

    stage("Read version from file") {
        try {
            version = readFile file: "VERSION"
            echo "Detected version: ${version}"
            image_name = "${repository}:${version}"
        } catch (Exception e) {
            error("Failed to read version from file")
        }
    }

    stage("Build Image") {
        try {
            sh "docker build -t ${image_name} ."
            image = docker.image(image_name)
        } catch (Exception e) {
            error("Failed to build image")
        }
    }

    if ( git_tag != null ) {

        stage("Update Helm Chart") {
            sh "tar -zcvf /var/www/charts.blindage.org/cron-operator-${version}.tgz -C deploy/helm_chart ."
            sh "cd /var/www/charts.blindage.org/ && helm repo index ."
        }

        stage("Push Image") {
            try {

                docker.withRegistry("", "dockerhub") {
                    image.push()
                }

            } catch(Exception e) {
                echo "${e}"
                error("Failed to push image")
            } finally {
                // cleanup
                sh "docker rmi ${image_name} || true"
            }
        }
    }
}