Jenkins pipeline for OBIEE deployments

pipeline

pipeline {
    agent any 

    stages {
        stage('Export repository from Dev') { 
            steps { 
                node('ambra.redaelli.org') {
					sh '/bin/hostname'
                    sh './export_repository.sh'     
                }
            }
        }
        stage('Copy repository to Qua'){
            steps { 
                node('ambra.redaelli.org') {
					sh '/bin/hostname'
                    sh './copy_repository_to_qailty.sh'     
                }
            }
        }
		stage('Backup repository Qua') { 
            steps { 
                node('ametista.redaelli.org') {
					sh '/bin/hostname'
                    sh './export_repository.sh'     
                }
            }
        }
        stage('Upload repository to Qua') {
            steps {
                input 'Do you approve deployment?'
                node('ametista.redaelli.org') {
                    sh '/bin/hostname'
					sh './import_repository.sh'  
                }
            }
			 post {
                always {
                    sh 'echo ok'
                }
                failure {
                    mail to: 'matteo.redaelli@redaelli.org', subject: 'The Pipeline failed :(', body: ''
                }
            }
        }
        
    }
}