pipeline {
    agent any

    environment {
        DOCKER_REGISTRY = "docker.nclazz.de"
        DOCKER_GROUP = 'nclazz'
        DOCKER_IMAGE = 'site'
        DOCKER_TAG = 'latest'

        DEPLOY_NODE = "${ BRANCH_NAME == "master" ? "swarm && prod" : "swarm && staging" }"
        SERVICE_NAME = 'marrone-international'
    }

    stages {
        stage('Run Docker Build') {
            agent { label 'docker' }
            steps {
                sh 'chmod +x version.sh'
                sh './version.sh > site/version.json'
                script {
                    docker.withRegistry("https://$DOCKER_REGISTRY", "jenkins_nexus") {
                        def image = docker.build("nclazz/site")
                        image.push("${env.DOCKER_TAG}")
                    }
                }
            }
        }
        stage('Run Deployment') {
            agent { label "provision" }
            when {
                branch 'master'
            }
            steps {
                deployToSwarm(
                    name: 'www-nclazz',
                    file: "${env.WORKSPACE}/docker-compose.yml",
                    forceUpdate: true, 
                    askApproval: false,
                    slackChannel: 'deployment'
                )
            }
        }
    }

    post {
        always {
            cleanWs()
        }
        failure {
            slackSend(
                    channel: 'notifications',
                    color: 'danger',
                    message: "There is a *build failure* in ${env.JOB_NAME}.\nBuild: ${env.BUILD_URL} "
            )
        }
        unstable {
            slackSend(
                    channel: 'notifications',
                    color: 'warning',
                    message: "Some tests have failed in ${env.JOB_NAME}.\nBuild: ${env.BUILD_URL} "
            )
        }
        fixed {
            slackSend(
                    channel: 'notifications',
                    color: 'good',
                    message: "The build ${env.JOB_NAME} completed successfully and is back to normal.\nBuild: ${env.BUILD_URL} "
            )
        }
    }
}