String[] ImgVariantList = ['minmal', 'default']

pipeline {
    agent { label 'LXCBuilder' }
    parameters {
        booleanParam description: 'Enable muticore support for ZX compression ', name: 'ZX_Multicore'
        string defaultValue: '0', description: 'Set amount of core\'s ZX is allowed when compressing (use 0 for all cores)', name: 'ZX_Cores'
        booleanParam description: 'Only build specified variant', name: 'OneRun'
        string defaultValue: 'VariantName', description: 'Variant for OneBuild', name: 'OneRunVariant'
    }
    options {
        skipDefaultCheckout()
        buildDiscarder(logRotator(numToKeepStr: '2', artifactNumToKeepStr: '1'))
    }
    stages {
        stage('Prepare') {
            steps {
                // Cleanup before starting
                cleanWs()
                // Checkout the repository
                checkout scm     
                // Get distrobuilder
                copyArtifacts filter: 'distrobuilder-BrampCustom', fingerprintArtifacts: true, flatten: true, projectName: 'LXC-ImgBuilder/DistroBuilder', selector: lastSuccessful()    
                // Setup Env
                sh '''mkdir $WORKSPACE/REL
                mv distrobuilder-* distrobuilder
                '''
            }
        }
        stage('Image Configs'){
            steps{
                script{
                                        
					//Set Variantlist to one if single build if requested
                    if (env.OneRun == 'true') {
                        ImgVariantList = [env.OneRunVariant]
                    }
                    
					//Run build for requested variants
                    for(ImgVariant in ImgVariantList){
                        env.ZX_Multicore = ZX_Multicore
                        env.ZX_Cores = ZX_Cores
                        env.ImgVariant = ImgVariant
                        stage("Build ${ImgVariant}") {
                            catchError(buildResult: 'UNSTABLE', stageResult: 'FAILURE') {
                                sh '''
                                if $ZX_Multicore; then 
                                    export XZ_DEFAULTS="-T $ZX_Cores"
                                fi                            
                                sudo $WORKSPACE/distrobuilder build-lxc Alpine.yaml $WORKSPACE/REL/$ImgVariant/ -o image.variant=$ImgVariant
                                sudo chown jenkins:jenkins -R $WORKSPACE/REL
                                mv $WORKSPACE/REL/$ImgVariant/rootfs.tar.xz Alpine-$ImgVariant.tar.xz
                                '''     
                            }
                        }
                    }
                }
            }
        }
        stage('Finish') {
            steps {
            // Save generated files
            archiveArtifacts artifacts: '*.tar.xz', followSymlinks: false
            // Copy artifacts to /LXCBuild folder
            sh '''
            mkdir -p /LXCBuild/template/cache
            cp -f *.tar.xz /LXCBuild/template/cache
            '''
            // Cleaning WorkSpace
            //cleanWs()
            }
        }
    }
}