Jenkinsfile

def rollbackStage1() {
  // big rollback code goes here
}

def rollbackStage2() {
  // big rollback code goes here
}

def rollbackStage3() {
  // big rollback code goes here
}

pipeline {
  stages {
    stage('one') {
      steps { ... }
      post {
        failed {
          script {
            rollbackStage1()
          }
        }
      }
    }
    stage('two') {
      steps { ... }
      post {
        failed {
          script {
            rollbackStage2()
            rollbackStage1()
          }
        }
      }
    }
    stage('three') {
      steps { ... }
      post {
        failed {
          script {
            rollbackStage3()
            rollbackStage2()
            rollbackStage1()
          }
        }
      }
    }
  }
}