pipeline {
  agent {
    label "swarm"
  }
  options {
        ansiColor('xterm')
  }
/*AnsiColor
  “\u001B[31m” = RED
  “\u001B[30m” = BLACK
  “\u001B[32m” = GREEN
  “\u001B[33m” = YELLOW
  “\u001B[34m” = BLUE
  “\u001B[35m” = PURPLE
  “\u001B[36m” = CYAN
  “\u001B[37m” = WHITE
  “\u001B[0m” is for RESET 
*/
/*Unicode icons
  “\u2776” = ❶
  “\u27A1” = ➡
  “\u2756” = ❖
  “\u273F” = ✿
  “\u2795” = ➕

  “\u2713” = ✓
  “\u2705” = ✅
  “\u274E” = ❎
  “\u2717” = ✗
  “\u274C” = ❌

  “\u2600” = ☀
  “\u2601” = ☁
  “\u2622” = ☢
  “\u2623” = ☣
  “\u2639” = ☹
  “\u263A” = ☺ 
*/
  environment {
    CLUSTER_NAME='dev-iru-swarm.infoclinica.lan'
    DOCKER_REGISTRY='dev-registry.infoclinica.ru:5000'
    DOCKER_IMAGE='bind'
    SERVICE_NAME='bind'
    SWARM_GIT_URL='ssh://git@git.sdsys.ru:8022/iru/stack-deploy.git'
    SWARM_GIT_NAME='stack-deploy'
    OVPN_GIT_URL='ssh://git@git.sdsys.ru:8022/iru/openvpn.git'
    OVPN_GIT_NAME='openvpn'
    BIND_GIT_URL='ssh://git@git.sdsys.ru:8022/sdsys/bind.git'
    JENKINS_MAIL='jenkins.dev@sdsys.ru'
    SMTP_SERVER='mail.sdsys.ru'
    MAIL_TO='admins@sdsys.ru'

  }
  stages {
    stage ("PULL REPOs") {
      steps {
        echo "\u001B[32m \u2600 \u001B[32m Pull repo ${SWARM_GIT_NAME} \u001B[0m"
        withCredentials([sshUserPrivateKey(credentialsId: 'provision', keyFileVariable: 'GIT_SSH_KEY', passphraseVariable: '', usernameVariable: 'GIT_SSH_USERNAME')]) {
          sh '''GIT_SSH_COMMAND='ssh -i ${GIT_SSH_KEY} -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no' \
                git clone ${SWARM_GIT_URL}'''
        }
        echo "\u001B[32m \u2600 Pull repo ${OVPN_GIT_NAME} \u001B[0m"
        withCredentials([sshUserPrivateKey(credentialsId: 'provision', keyFileVariable: 'GIT_SSH_KEY', passphraseVariable: '', usernameVariable: 'GIT_SSH_USERNAME')]) {
          sh '''GIT_SSH_COMMAND='ssh -i ${GIT_SSH_KEY} -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no' \
                git clone ${OVPN_GIT_URL}'''
        }
      }
    }
    stage("Generate zone-files") {
      steps {
        echo "\u001B[32m \u2600 Generate ptr-zones \u001B[0m"
        sh '''set +x
              serial=$(cat ${WORKSPACE}/${SWARM_GIT_NAME}/tags/bind.version)
              serial=$((serial+1))
              ${WORKSPACE}/generate_ptr.sh 201 ${serial}
              ${WORKSPACE}/generate_ptr.sh 204 ${serial}
              ${WORKSPACE}/generate_ptr.sh 205 ${serial}
           '''
        echo "\u001B[32m \u2600 Generate infoclinica-zone \u001B[0m"
        sh '''set +x
              serial=$(cat ${WORKSPACE}/${SWARM_GIT_NAME}/tags/bind.version)
              serial=$((serial+1))
              ${WORKSPACE}/generate_zone.sh ${serial}
           '''
      }
    }
    stage("Create BIND Docker Image") {
      steps {
        echo "\u001B[32m \u2600 Create image \u001B[35m ${DOCKER_REGISTRY}/${DOCKER_IMAGE}:${BUILD_NUMBER} \u001B[0m"
        sh '''docker build --no-cache -t ${DOCKER_REGISTRY}/${DOCKER_IMAGE}:${BUILD_NUMBER} .
              if [ $? != 0 ]; then echo "\u274C \u001B[31m The container was not built \u001B[0m"; exit 1; fi
           '''
      }
    }
    stage("Staging") {
      steps {
        echo "\u001B[32m \u2600 Testing Bind \u001B[0m"
        sh '''set +x
              container_id_server=`docker run -d --rm ${DOCKER_REGISTRY}/${DOCKER_IMAGE}:${BUILD_NUMBER}`
              docker exec -t ${container_id_server} nslookup iru-swarm.infoclinica.lan
              if [ $? != 0 ]; then exit 1; else echo "\u001B[32m \u2600 DNS is working!!! \u001B[0m"; fi
              docker stop ${container_id_server}
           '''
      }
    }
    stage("Publishing") {
      steps {
        echo "\u001B[32m \u2600 Publishing \u001B[35m ${DOCKER_REGISTRY}/${DOCKER_IMAGE}:${BUILD_NUMBER}. \u001B[0m"
        sh "docker push ${DOCKER_REGISTRY}/${DOCKER_IMAGE}:${BUILD_NUMBER}"
      }
    }
    stage("Prod-like") {
      steps {
        echo "\u001B[32m \u2600 Check Prod-like cluster status \u001B[0m"
        sh '''set +x
              ping -c 2 ${CLUSTER_NAME}
              if [ $? -eq 0 ]; then
                export DOCKER_CERT_PATH=/run/secrets/swarm
                export DOCKER_HOST=tcp://${CLUSTER_NAME}:2376 DOCKER_TLS_VERIFY=1
                docker node ls --format "{{.Hostname}} {{.TLSStatus}}" | while read host status
                do
                  if [ $status != Ready ]; then echo "\u274C \u001B[31m Cluster ${CLUSTER_NAME} state is inconsistent \u001B[0m"; exit 1
                  else echo "\u2705 \u001B[34m HOST: $host STATUS: $status \u001B[0m"
                  fi
                done
              else echo "\u274C \u001B[31m Host not Found \u001B[0m"; exit 1
              fi
           '''
        echo "\u001B[32m \u2600 Run containers in Prod-like \u001B[0m"
        sh '''export DOCKER_CERT_PATH=/run/secrets/swarm
              export DOCKER_HOST=tcp://${CLUSTER_NAME}:2376 DOCKER_TLS_VERIFY=1
              export DOCKER_HOST=tcp://$(docker info -f '{{.Name}}'):2376 DOCKER_TLS_VERIFY=1
              if [ -z $(docker service ps -q ${DOCKER_IMAGE}) ];then
                docker service create --replicas 1 \
                --name ${SERVICE_NAME} -p 53:53/tcp -p 53:53/udp \
                ${DOCKER_REGISTRY}/${DOCKER_IMAGE}:${BUILD_NUMBER}
              else
                docker service update ${SERVICE_NAME} \
                --image ${DOCKER_REGISTRY}/${DOCKER_IMAGE}:${BUILD_NUMBER}
                if [ $? != 0 ]; then docker service rollback ${SERVICE_NAME}; fi
              fi
              rm -rf ${WORKSPACE}/${SWARM_GIT_NAME}
           '''
      }
    }
    stage("Tagging") {
      steps {
        echo "\u001B[32m \u2600 Tagging \u001B[35m ${DOCKER_REGISTRY}/${DOCKER_IMAGE}:${BUILD_NUMBER} \u001B[32m to \u001B[35m ${DOCKER_REGISTRY}/iru/${DOCKER_IMAGE}:latest \u001B[0m"
        sh '''docker tag ${DOCKER_REGISTRY}/${DOCKER_IMAGE}:${BUILD_NUMBER} \
              ${DOCKER_REGISTRY}/iru/${DOCKER_IMAGE}:latest
              docker push ${DOCKER_REGISTRY}/iru/${DOCKER_IMAGE}:latest
           '''
        echo "\u001B[32m \u2600 Updating tag info in ${SWARM_GIT_NAME} repository \u001B[0m"
        withCredentials([sshUserPrivateKey(credentialsId: 'provision', keyFileVariable: 'GIT_SSH_KEY', passphraseVariable: '', usernameVariable: 'GIT_SSH_USERNAME')]) {
          sh '''GIT_SSH_COMMAND='ssh -i ${GIT_SSH_KEY} -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no' \
                git clone ${SWARM_GIT_URL}
                cd ${SWARM_GIT_NAME}
                echo -n ${BUILD_NUMBER} > tags/${DOCKER_IMAGE}.version
                git add -A
                git config --global user.email "${JENKINS_MAIL}"
                git config --global user.name "Jenkins"
                git commit -m 'Version update'
                GIT_SSH_COMMAND='ssh -i ${GIT_SSH_KEY} -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no' \
                git push origin master
             '''
        }
      }
    }
  }
  post {
    always {
      echo "\u001B[32m \u2600 CleaningUp work directory \u001B[0m"
      deleteDir()
    }
    failure {
      mail charset: 'UTF-8',
           subject: "Jenkins build ERROR",
           mimeType: 'text/html',
           to: "${MAIL_TO}",
           body: "<b>ATTENTION!!!</b> <b><br> Jenkins job failed.\n\n <b><br>Project Name:</b> ${env.JOB_NAME} <b><br>\nBuild Number:</b> ${env.BUILD_NUMBER} <b><br>\nURL Build:</b> ${RUN_DISPLAY_URL}"
    }
  }
}