// This Jenkinsfile defines a declarative pipeline
pipeline {
// Specifies that this pipeline can run on any available agent
agent any

// Defines the sequence of stages that will be executed
stages {
// This stage checks out the source code from the SCM (Source Code Management) system
stage('Checkout') {
steps {
// This command checks out the source code from the SCM into the Jenkins workspace
checkout scm
}
}

// This stage validates the Packer template
stage('Validate Packer Template') {
steps {
script {
// This command validates the Packer HCL (HashiCorp Configuration Language) template using the provided variable files. Ensure these file names are correct for your setup.
sh "packer validate -var-file variables.pkrvars100GBdisk.hcl -var-file vsphere.pkrvars.hcl ubuntu-22.04.pkr.hcl"
}
}
}

// This stage builds a VMWare image using Packer
stage('Build VMWare Image') {
when {
// This condition ensures that this stage will only run if the previous 'Validate Packer Template' stage succeeded
expression { currentBuild.resultIsBetterOrEqualTo('SUCCESS') }
}
steps {
script {
// This command builds a VMWare image using Packer with the provided variable files
// It will forcefully build the image even if it exists and will prompt for action on any errors
// Ensure these file names are correct for your setup
sh "packer build -force -on-error=ask -var-file variables.pkrvars100GBdisk.hcl -var-file vsphere.pkrvars.hcl ubuntu-22.04.pkr.hcl"
}
}
}
}

// Defines actions to be executed after the stages, regardless of their outcome
post {
// This will always archive any .log files in the workspace, even if there are none
always {
archiveArtifacts artifacts: '**/*.log', allowEmptyArchive: true
}
// If any stage failed, this will print an error message
failure {
echo "The build failed. Please check the logs."
}
}
}