Jenkinsfile

pipeline {
  agent any
  tools {
    "org.jenkinsci.plugins.terraform.TerraformInstallation" "terraform-0.13.4"
  }
  parameters {
    string(name: 'WORKSPACE', defaultValue: 'development', description:'setting up workspace for terraform')
  }
  environment {
    TF_HOME = tool('terraform-0.13.4')
    TF_IN_AUTOMATION = "true"
    PATH = "$TF_HOME:$PATH"
    AWS_ACCESS_KEY_ID = credentials('AWS_ACCESS_KEY_ID')
    AWS_SECRET_ACCESS_KEY = credentials('AWS_SECRET_ACCESS_KEY')
  }
  stages {
    stage('Terraform Init'){
      steps {
        dir('app-ec2/'){
          sh "terraform init -input=false"
          sh "echo \$PWD"
          sh "whoami"
        }
      }
    }
    stage('Terraform Format'){
      steps {
        dir('app-ec2/'){
          sh "terraform fmt"
        }
      }
    }
    stage('Terraform Validate'){
      steps {
        dir('app-ec2/'){
          sh "terraform validate"
        }
      }
    }
    stage('Terraform Plan'){
      steps {
        dir('app-ec2/'){
          script {
            try {
              sh "terraform workspace new ${params.WORKSPACE}"
            } catch (err) {
              sh "terraform workspace select ${params.WORKSPACE}"
            }
            sh "terraform plan -input=false -var-file=dev.tfvars \
            -out terraform.tfplan;echo \$? > status"
            stash name: "terraform-plan", includes: "terraform.tfplan"
          }
        }
      }
    }
    stage('Approval'){
      steps {
        script{
          def apply = false
          try {
            input message: 'Can you please confirm the apply', ok: 'Ready to Apply the Config'
            apply = true
          } catch (err) {
            apply = false
            currentBuild.result = 'UNSTABLE'
          }
          if(apply){
            dir('app-ec2/'){
              unstash "terraform-plan"
              sh 'terraform apply terraform.tfplan'
            }
          }
        }
      }
    }
  }
}