Update Jenkinsfile.new to remove test image build and use registry image for devops tests

Change-Id: I8d49f41656793d0dc31039ba16dfdfa08cb837a3
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/Jenkinsfile.new b/Jenkinsfile.new
index 3f7a36e..856945a 100644
--- a/Jenkinsfile.new
+++ b/Jenkinsfile.new
@@ -17,7 +17,7 @@
 
 pipeline {
   agent { label 'pool' }
-  options { disableConcurrentBuilds() }
+  // options { disableConcurrentBuilds() }
   parameters {
     // Core Gerrit / multibranch inputs
     string(name: 'GERRIT_BRANCH', defaultValue: env.BRANCH_NAME ?: 'master', description: '')
@@ -44,7 +44,7 @@
   environment {
     MDG = "${params.GERRIT_PROJECT?.contains('/') ? params.GERRIT_PROJECT.split('/')[1] : params.GERRIT_PROJECT}"
     CONTAINER_NAME = "${params.GERRIT_PROJECT}-${params.GERRIT_BRANCH}".toLowerCase()
-    TEST_IMAGE = 'overdrive3000/tox-osm:v1.6'
+    TEST_IMAGE = 'opensourcemano/devops:19.0'
     DOCKER_REGISTRY = 'osm.etsi.org:5050/devops/cicd/'
   }
   stages {
@@ -75,7 +75,7 @@
       steps {
         script {
           // Use shared test image from registry; no local build needed
-          sh "docker pull ${env.TEST_IMAGE} || true"
+          sh "docker pull ${env.DOCKER_REGISTRY}${env.TEST_IMAGE} || true"
         }
       }
     }
@@ -90,7 +90,7 @@
           stage('Helm Tests') {
             sh """
               docker run --rm ${common} \
-                ${env.TEST_IMAGE} \
+                ${env.DOCKER_REGISTRY}${env.TEST_IMAGE} \
                 /tests/devops-stages/stage-test.sh
             """
             if (fileExists('coverage.xml')) { cobertura coberturaReportFile: 'coverage.xml' }
@@ -101,61 +101,14 @@
             sh 'mkdir -p changelog'
             sh """
               docker run --rm ${common} \
-                ${env.TEST_IMAGE} \
-                /bin/sh -lc 'devops/tools/generatechangelog-pipeline.sh > /tests/changelog/changelog-${MDG}.html'
+                ${env.DOCKER_REGISTRY}${env.TEST_IMAGE} \
+                /bin/sh -lc 'cd /tests; tools/generatechangelog-pipeline.sh > changelog/changelog-${MDG}.html'
             """
           }
         }
       }
     }
 
-    stage('Build & Push Image') {
-      when { expression { return params.DO_DOCKERPUSH } }
-      steps {
-        script {
-          def moduleName = (env.MDG ?: DEFAULT_MODULE_NAME).toLowerCase()
-
-          if (!params.GERRIT_BRANCH) {
-            error 'GERRIT_BRANCH is required to tag the Docker image'
-          }
-          def sanitizedBranchName = params.GERRIT_BRANCH
-            .toLowerCase()
-            .replaceAll('[^a-z0-9._-]', '-')
-          def baseTagPrefix = "osm-${sanitizedBranchName}"
-          def buildNumber = env.BUILD_NUMBER ?: '0'
-          def isMergeJob = env.JOB_NAME?.contains('merge')
-          // Remove promotion logic from this stage
-          def moduleTags = []
-          if (isMergeJob) {
-            moduleTags << "${baseTagPrefix}-merge"
-          } else {
-            moduleTags << "${baseTagPrefix}-patchset-${buildNumber}"
-          }
-
-          def imageName = params.IMAGENAME ?: "opensourcemano/${moduleName}"
-          def primaryLocalImage = "${imageName}:${moduleTags[0]}"
-
-          withCredentials([[$class: 'UsernamePasswordMultiBinding', credentialsId: 'gitlab-registry',
-                            usernameVariable: 'USERNAME', passwordVariable: 'PASSWORD']]) {
-            sh """
-              docker build -f Dockerfile -t ${primaryLocalImage} .
-            """
-            sh "docker login ${env.DOCKER_REGISTRY.split('/')[0]} -u ${USERNAME} -p ${PASSWORD}"
-            // Push build-scope tag(s) only. Promotion happens after tests.
-            moduleTags.each { tag ->
-              def localImage = "${imageName}:${tag}"
-              def remoteImage = "${env.DOCKER_REGISTRY}${imageName}:${tag}"
-              sh "docker tag ${localImage} ${remoteImage}"
-              sh "docker push ${remoteImage}"
-            }
-            // Stash the built image id for later promotion without rebuild
-            env.BUILT_IMAGE = primaryLocalImage
-            env.BUILT_TAG = moduleTags[0]
-          }
-        }
-      }
-    }
-
     stage('E2E Test (robot)') {
       when { expression { return params.DO_ROBOT && !env.JOB_NAME.contains('merge') } }
       steps {
@@ -168,7 +121,7 @@
               string(name: 'OPENSTACK_BASE_IMAGE', value: params.OPENSTACK_BASE_IMAGE),
               string(name: 'OPENSTACK_OSM_FLAVOR', value: params.OPENSTACK_OSM_FLAVOR),
               string(name: 'MODULE_NAME', value: params.MODULE_NAME ?: 'devops'),
-              string(name: 'CONTAINER_NAME', value: env.BUILT_TAG),
+              string(name: 'CONTAINER_NAME', value: "not-used-from-devops-pipeline"),
               booleanParam(name: 'DO_ROBOT', value: params.DO_ROBOT),
               booleanParam(name: 'DO_INSTALL', value: params.DO_INSTALL),
               booleanParam(name: 'SAVE_CONTAINER_ON_FAIL', value: params.SAVE_CONTAINER_ON_FAIL),