feat(ci): always keeping a copy of CI temp image and also pushing to DockerHub...

feat(ci): always keeping a copy of CI temp image and also pushing to DockerHub on merged MR; triggering FED OC pipeline as well
Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

ci-scripts/Jenkinsfile-GitLab-Docker

@@ -67,7 +67,8 @@ pipeline {
       "Build RHEL8 UDR Image",
       "Static Code Analysis",
       "Code Formatting Checker",
-      "Test with DsTester on Docker environment"
+      "Test with DsTester on Docker environment",
+      "Test with DsTester on OC environment"
     ])
 
   }
@@ -113,6 +114,10 @@ pipeline {
               error "Stopping pipeline!"
             }
           }
+          if (params.DockerHubCredentials == null) {
+            echo '\u26D4 \u001B[31mNo Credentials to push to DockerHub!\u001B[0m'
+            error "Stopping pipeline!"
+          }
         }
       }
     }
@@ -195,6 +200,10 @@ pipeline {
                   myShCmd('docker build --no-cache --target oai-udr --tag oai-udr:' + udr_tag + ' --file ci-scripts/docker/Dockerfile.ci.ubuntu.18.04 . > archives/udr_docker_image_build.log 2>&1', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
                 }
                 myShCmd('docker image ls >> archives/udr_docker_image_build.log', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
+                // We will keep also the TMP image in U18 case.
+                if ("MERGE".equals(env.gitlabActionType)) {
+                  myShCmd('docker image tag oai-udr:' + udr_tag + ' oai-udr:' + rhel_udr_tag, rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
+                }
               }
             }
           }
@@ -371,6 +380,55 @@ pipeline {
             }
           }
         }
+        stage ('Testing in CN-5G-FED OC environment') {
+          steps {
+            script {
+              gitlabCommitStatus(name: "Test with DsTester on OC environment") {
+                localStatus = build job: params.CN5G_FED_OC_PipelineName,
+                  parameters: [
+                    string(name: 'UDR_TAG', value: String.valueOf(udr_tag)),
+                    string(name: 'UDR_BRANCH', value: String.valueOf(udr_branch))
+                  ], propagate: false
+                localResult = localStatus.getResult()
+
+                if (localStatus.resultIsBetterOrEqualTo('SUCCESS')) {
+                  echo "OC Federation Test Job is OK"
+                } else {
+                  echo "OC Federation Test Job is KO"
+                  sh "ci-scripts/fail.sh"
+                }
+              }
+            }
+          }
+          post {
+            always {
+              script {
+                copyArtifacts(projectName: params.CN5G_FED_OC_PipelineName,
+                              filter: '*_results_oai_cn5g_oc.html',
+                              selector: lastCompleted())
+              }
+            }
+          }
+        }
+      }
+    }
+    // For the moment it is Docker-Hub, but we might have a new one internally.
+    stage ('Pushing Image to Official Registry') {
+      steps {
+        script {
+          // Only in case of push to target branch!
+          if ("PUSH".equals(env.gitlabActionType)) {
+            withCredentials([
+              [$class: 'UsernamePasswordMultiBinding', credentialsId: "${params.DockerHubCredentials}", usernameVariable: 'DH_Username', passwordVariable: 'DH_Password']
+            ]) {
+              myShCmd("echo ${DH_Password} | docker login --username ${DH_Username} --password-stdin", rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
+              myShCmd("docker image tag oai-udr:develop ${DH_Username}/oai-udr:develop", rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
+              myShCmd("docker push ${DH_Username}/oai-udr:develop", rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
+              myShCmd("docker rmi ${DH_Username}/oai-udr:develop", rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
+              myShCmd("docker logout", rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
+            }
+          }
+        }
       }
     }
   }