Update Jenkinsfile

Jenkinsfile

-#!groovy
 node('build-slave') {
-    currentBuild.result = "SUCCESS"
     try {
-       stage('Checkout'){
-          checkout scm
-          // Getting commit short hash
-          commit_hash = sh (
-          script: 'git rev-parse --short HEAD',
-          returnStdout: true
-          ).trim()
-          branch_name = sh (
-          script: 'git name-rev --name-only HEAD | rev | cut -d "/" -f1| rev',
-          returnStdout: true
-          ).trim()
-          echo 'branch_name: '+branch_name
-       }
-       stage('Build'){
-            sh("printenv")
-            echo "Git Hash: "+commit_hash
-            // Building image
-            sh("sudo ./build.sh ${commit_hash} ${branch_name}")
-       }
-       stage('ArchiveArtifacts'){
-           archiveArtifacts "metadata.json"
+        String ANSI_GREEN = "\u001B[32m"
+        String ANSI_NORMAL = "\u001B[0m"
+        String ANSI_BOLD = "\u001B[1m"
+        String ANSI_RED = "\u001B[31m"
+        String ANSI_YELLOW = "\u001B[33m"
+
+        ansiColor('xterm') {
+            stage('Checkout') {
+                if (!env.hub_org) {
+                    println(ANSI_BOLD + ANSI_RED + "Uh Oh! Please set a Jenkins environment variable named hub_org with value as registery/sunbidrded" + ANSI_NORMAL)
+                    error 'Please resolve the errors and rerun..'
+                } else
+                    println(ANSI_BOLD + ANSI_GREEN + "Found environment variable named hub_org with value as: " + hub_org + ANSI_NORMAL)
+            }
+            cleanWs()
+            if (params.github_release_tag == "") {
+                checkout scm
+                commit_hash = sh(script: 'git rev-parse --short HEAD', returnStdout: true).trim()
+                branch_name = sh(script: 'git name-rev --name-only HEAD | rev | cut -d "/" -f1| rev', returnStdout: true).trim()
+                build_tag = branch_name + "_" + commit_hash
+                println(ANSI_BOLD + ANSI_YELLOW + "github_release_tag not specified, using the latest commit hash: " + commit_hash + ANSI_NORMAL)
+            } else {
+                def scmVars = checkout scm
+                checkout scm: [$class: 'GitSCM', branches: [[name: "refs/tags/$params.github_release_tag"]], userRemoteConfigs: [[url: scmVars.GIT_URL]]]
+                build_tag = params.github_release_tag
+                println(ANSI_BOLD + ANSI_YELLOW + "github_release_tag specified, building from github_release_tag: " + params.github_release_tag + ANSI_NORMAL)
+            }
+            echo "build_tag: " + build_tag
+
+            stage('Build') {
+                sh("./build.sh ${build_tag} ${env.NODE_NAME} ${hub_org}")
+            }
+
+            stage('ArchiveArtifacts') {
+                archiveArtifacts "metadata.json"
+                currentBuild.description = "${build_tag}"
+            }
         }
     }
     catch (err) {
         currentBuild.result = "FAILURE"
         throw err
     }
-}
\ No newline at end of file
+}