pipeline {
  agent {
    label 'pi501.in.thelinuxpro.net'
  }

  stages {
    stage("verify tooling") {
      steps {
	sh '''
        docker version
	docker info
        docker compose version
        '''
      }
    }

    stage("Build Containers and push to registry") {
      steps {
	script {
	  def status = sh(returnStatus: true, script: 'docker images | grep random-number-web-server | grep $(grep image docker-compose.yml  | awk -F\':\' \'{ print $4 }\')')

	  if (status != 0) {
	    sh 'docker compose build --push'
	  } else {
	    echo "Primary Image version already exists, no need to rebuild."
	  }
	}
      }
    }

    stage('Create contexts') {
      steps {
    	sh 'docker context ls | grep pi503 || docker context create pi503 --docker "host=ssh://pi503.in.thelinuxpro.net"'
      }
    }

    stage('Stop container') {
      steps {
	script {
	  def status = sh(returnStatus: true, script: 'grep $(docker --context pi503 compose ps | tail -n1 | awk \'{ print $2 }\') docker-compose.yml')

	  if (status != 0) {
	    sh 'docker --context pi503 compose down'
	    sh 'sleep 5'
	  } else {
	    echo 'skip'
	  }
	}
      }
    }

    stage('Start container') {
      steps {
	script {
	  def status = sh(returnStatus: true, script: 'grep $(docker --context pi503 compose ps | tail -n1 | awk \'{ print $2 }\') docker-compose.yml')

	  if (status != 0) {
	    sh 'docker --context pi503 compose up -d'
	    sh 'docker --context pi503 compose ps'
            sh 'sleep 3'
	    sh 'docker --context pi503 compose logs'
	  } else {
	    echo 'skip'
	  }
	}
      }
    }
  }
}