#!/bin/groovy
/*
 * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The OpenAirInterface Software Alliance licenses this file to You under
 * the OAI Public License, Version 1.1  (the "License"); you may not use this file
 * except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.openairinterface.org/?page_id=698
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *-------------------------------------------------------------------------------
 * For more information about the OpenAirInterface (OAI) Software Alliance:
 *      contact@openairinterface.org
 */

//-------------------------------------------------------------------------------

// Location of the CN executor node
def cn_ci_host = params.Host_CN_CI_Server

// for lock
def cn_ci_resource = params.DockerContainers

// Location of the Remote Ubuntu18 CN executor
def rem_u18_host_flag = false
def rem_u18_host = ""
def rem_u18_host_user = ""

// Location of the Remote RHEL CN executor
def rem_rhel_host_flag = false
def rem_rhel_host = ""
def rem_rhel_host_user = ""
def rem_rhel8_resource = params.PodmanContainers

// Tags/Branches to use
def amf_tag = "develop"
def amf_branch = "develop"

// We are using a base image to speed up CI build.
// This base image is potentially subject to changes over time.
def AMF_BASE_IMAGE_TAG = params.AmfBaseImageTag

// Merge Request Link
def gitlabMergeRequestLink

//-------------------------------------------------------------------------------
// Pipeline start
pipeline {
  agent {
    label cn_ci_host
  }
  options {
    disableConcurrentBuilds()
    timestamps()
    ansiColor('xterm')
    lock(cn_ci_resource)
    gitLabConnection('OAI GitLab')
    gitlabBuilds(builds: [
      "Build U18 AMF Image",
      "Build RHEL8 AMF Image",
      "Static Code Analysis",
      "Code Formatting Checker",
      "Bracket Test with DsTester",
      "Test with DsTester on Docker environment",
      "Test with DsTester on OC environment"
    ])

  }

  stages {
    stage ('Verify Parameters') {
      steps {
        script {
          echo '\u2705 \u001B[32mVerify Parameters\u001B[0m'

          JOB_TIMESTAMP = sh returnStdout: true, script: 'date --utc --rfc-3339=seconds | sed -e "s#+00:00##"'
          JOB_TIMESTAMP = JOB_TIMESTAMP.trim()

          if (params.Host_CN_CI_2nd_Server_Flag != null) {
            rem_u18_host_flag = params.Host_CN_CI_2nd_Server_Flag
            if (rem_u18_host_flag) {
              rem_u18_host = params.Host_CN_CI_2nd_Server
              rem_u18_host_user = params.Host_CN_CI_2nd_Server_Login
              echo "1st Node   is ${NODE_NAME}"
              echo "2nd Node   is ${rem_u18_host}"
            } else {
              echo "U18 Node   is ${NODE_NAME}"
            }
          } else {
            echo "Node       is ${NODE_NAME}"
          }
          if (params.Remote_RHEL_Server_Flag != null) {
            rem_rhel_host_flag = params.Remote_RHEL_Server_Flag
            if (rem_rhel_host_flag) {
              rem_rhel_host = params.Remote_RHEL_Server_Name
              rem_rhel_host_user = params.Remote_RHEL_Server_Login
              echo "RHEL Node  is ${rem_rhel_host}"
            }
          }
          echo "Git URL    is ${GIT_URL}"

          if ("MERGE".equals(env.gitlabActionType)) {
            try {
              myShCmd('docker image inspect --format=\'Size = {{.Size}} bytes\' oai-amf-base:' + AMF_BASE_IMAGE_TAG, rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
            } catch (Exception e) {
              currentBuild.result = 'FAILURE'
              echo '\u26D4 \u001B[31mBase Image does not exist\u001B[0m'
              error "Stopping pipeline!"
            }
          }
          if (params.DockerHubCredentials == null) {
            echo '\u26D4 \u001B[31mNo Credentials to push to DockerHub!\u001B[0m'
            error "Stopping pipeline!"
          }
        }
      }
    }
    stage ('Prepare Source Code') {
      steps {
        script {
          sh "git clean -x -d -f > /dev/null 2>&1"
          if ("MERGE".equals(env.gitlabActionType)) {
            gitlabMergeRequestLink = sh returnStdout: true, script: "curl --silent 'https://gitlab.eurecom.fr/api/v4/projects/oai%2Fcn5g%2Foai-cn5g-amf/merge_requests/${env.gitlabMergeRequestIid}' | jq .web_url | sed 's#\"##g'"
            gitlabMergeRequestLink = gitlabMergeRequestLink.trim()
            echo "========= THIS IS A MERGE REQUEST =========="
            echo "MR ID       is ${env.gitlabMergeRequestIid}"
            echo "MR LINK     is ${gitlabMergeRequestLink}"
            echo "MR TITLE    is ${env.gitlabMergeRequestTitle}"
            gitCommitAuthorEmailAddr = env.gitlabUserEmail
            echo "GitLab Usermail is ${gitCommitAuthorEmailAddr}"
            sh "git fetch --prune --unshallow"
            shortenShaOne = sh returnStdout: true, script: 'git log -1 --pretty=format:"%h" ' + env.gitlabMergeRequestLastCommit
            shortenShaOne = shortenShaOne.trim()
            sh "./ci-scripts/doGitLabMerge.sh --src-branch ${env.gitlabSourceBranch} --src-commit ${env.gitlabMergeRequestLastCommit} --target-branch ${env.gitlabTargetBranch} --target-commit ${GIT_COMMIT}"
            sh "sleep 10"
            amf_tag = "ci-tmp"
            rhel_amf_tag = 'ci-tmp-pr-' + env.gitlabMergeRequestIid + '-' + shortenShaOne
            amf_branch = env.gitlabSourceBranch
            echo "MR TAG      is ${rhel_amf_tag}"
          } else {
            echo "======== THIS IS A PUSH REQUEST ========"
            echo "Git Branch      is ${GIT_BRANCH}"
            echo "Git Commit      is ${GIT_COMMIT}"
            gitCommitAuthorEmailAddr = sh returnStdout: true, script: 'git log -n1 --pretty=format:%ae ${GIT_COMMIT}'
            gitCommitAuthorEmailAddr = gitCommitAuthorEmailAddr.trim()
            echo "GitLab Usermail is ${gitCommitAuthorEmailAddr}"
            sh "git log -n1 --pretty=format:\"%s\" > .git/CI_COMMIT_MSG"
          }
          sh "tar -cjhf /tmp/openair-amf.tar.bz2 ."
          sh "mv /tmp/openair-amf.tar.bz2 ."
          copyTo2ndServer('openair-amf.tar.bz2', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
          copyTo2ndServer('openair-amf.tar.bz2', rem_rhel_host_flag, rem_rhel_host_user, rem_rhel_host)
          sh "mkdir -p archives/oai-amf-cfg"
        }
      }
      post {
        failure {
          script {
            def message = "OAI " + JOB_NAME + " build (" + BUILD_ID + "): Merge Conflicts -- Cannot perform CI"
            addGitLabMRComment comment: message
            currentBuild.result = 'FAILURE'
          }
        }
      }
    }
    stage('Build Core Network Function') {
      parallel {
        stage ('Build U18 AMF Image') {
          steps {
            script {
              gitlabCommitStatus(name: "Build U18 AMF Image") {
                myShCmd('docker image prune --force', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
                if ("PUSH".equals(env.gitlabActionType)) {
                  // Currently this pipeline only runs for pushes to `develop` branch
                  // First clean image registry
                  try {
                    myShCmd('docker image rm oai-amf:develop', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
                  } catch (Exception e) {
                    echo "Maybe a previous build went wrong"
                  }
                  // In case of push to `develop` branch we build from scratch
                  myShCmd('docker build --no-cache --target oai-amf --tag oai-amf:' + amf_tag + ' --file docker/Dockerfile.amf.ubuntu18 --build-arg NEEDED_GIT_PROXY="http://proxy.eurecom.fr:8080" . > archives/amf_docker_image_build.log 2>&1', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
                }
                if ("MERGE".equals(env.gitlabActionType)) {
                  try {
                    // Checking if the CI Base image is still there.
                    // If the inspect command fails, it's not there. If it passes, let remove tag.
                    myShCmd('docker image inspect oai-amf-base:latest > /dev/null 2>&1', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
                    myShCmd('docker rmi oai-amf-base:latest', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
                  } catch (Exception e) {
                    echo 'No need to remove the CI base image'
                  }
                  // "latest" is the tag used in the docker file.
                  myShCmd('docker image tag oai-amf-base:' + AMF_BASE_IMAGE_TAG + ' oai-amf-base:latest', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
                  myShCmd('docker build --no-cache --target oai-amf --tag oai-amf:' + amf_tag + ' --file ci-scripts/docker/Dockerfile.ci.ubuntu.18.04 . > archives/amf_docker_image_build.log 2>&1', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
                }
                myShCmd('docker image ls >> archives/amf_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-amf:' + amf_tag + ' oai-amf:' + rhel_amf_tag, rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
                }
              }
            }
          }
          post {
            always {
              script {
                copyFrom2ndServer('archives/amf_docker_image_build.log', 'archives', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
              }
            }
            success {
              sh "echo 'OAI-AMF DOCKER IMAGE BUILD: OK' >> archives/amf_docker_image_build.log"
            }
            unsuccessful {
              sh "echo 'OAI-AMF DOCKER IMAGE BUILD: KO' >> archives/amf_docker_image_build.log"
            }
          }
        }
        stage ('Build RHEL8 AMF Image') {
          when { expression {rem_rhel_host_flag} }
          steps {
            lock (rem_rhel8_resource) {
              script {
                gitlabCommitStatus(name: "Build RHEL8 AMF Image") {
                  if ("PUSH".equals(env.gitlabActionType)) {
                    // Currently this pipeline only runs for pushes to `develop` branch
                    // First clean image registry
                    try {
                      myShCmd('sudo podman image rm oai-amf:develop || true', rem_rhel_host_flag, rem_rhel_host_user, rem_rhel_host)
                    } catch (Exception e) {
                      echo "Maybe a previous build went wrong"
                    } 
                  } else {
                    // In case we forgot during a previous run
                    myShCmd('sudo podman image rm oai-amf:' + amf_tag + ' || true', rem_rhel_host_flag, rem_rhel_host_user, rem_rhel_host)
                  }
                  myShCmd('sudo podman image prune --force', rem_rhel_host_flag, rem_rhel_host_user, rem_rhel_host)
                  // Copy the RHEL Host certificates for building
                  myShCmd('mkdir -p tmp/ca tmp/entitlement', rem_rhel_host_flag, rem_rhel_host_user, rem_rhel_host)
                  myShCmd('cp /etc/pki/entitlement/*pem tmp/entitlement', rem_rhel_host_flag, rem_rhel_host_user, rem_rhel_host)
                  myShCmd('sudo cp /etc/rhsm/ca/redhat-uep.pem tmp/ca', rem_rhel_host_flag, rem_rhel_host_user, rem_rhel_host)
                  myShCmd('sudo podman build --no-cache --target oai-amf --tag oai-amf:' + amf_tag + ' --file docker/Dockerfile.amf.rhel8 --build-arg NEEDED_GIT_PROXY="http://proxy.eurecom.fr:8080" . > archives/amf_podman_image_build.log 2>&1', rem_rhel_host_flag, rem_rhel_host_user, rem_rhel_host)
                  myShCmd('sudo podman image ls >> archives/amf_podman_image_build.log', rem_rhel_host_flag, rem_rhel_host_user, rem_rhel_host)
                  if ("MERGE".equals(env.gitlabActionType)) {
                    myShCmd('sudo podman image tag oai-amf:' + amf_tag + ' oai-amf:' + rhel_amf_tag, rem_rhel_host_flag, rem_rhel_host_user, rem_rhel_host)
                  }
                }
              }
            }
          }
          post {
            always {
              script {
                copyFrom2ndServer('archives/amf_podman_image_build.log', 'archives', rem_rhel_host_flag, rem_rhel_host_user, rem_rhel_host)
              }
            }
            success {
              sh "echo 'OAI-AMF PODMAN RHEL8 IMAGE BUILD: OK' >> archives/amf_podman_image_build.log"
            }
            unsuccessful {
              sh "echo 'OAI-AMF PODMAN RHEL8 IMAGE BUILD: KO' >> archives/amf_podman_image_build.log"
            }
          }
        }
        // Running CPPCHECK in parallel to gain time
        stage ('Static Code Analysis') {
          steps {
            script {
              gitlabCommitStatus(name: "Static Code Analysis") {
                // Running on xenial to have 1.72 version of cppcheck
                myShCmd('docker run --name ci-cn-cppcheck -d ubuntu:xenial /bin/bash -c "sleep infinity"', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
                myShCmd('docker exec ci-cn-cppcheck /bin/bash -c "apt-get update && apt-get upgrade --yes" > archives/cppcheck_install.log', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
                myShCmd('docker exec ci-cn-cppcheck /bin/bash -c "apt-get install --yes cppcheck bzip2" >> archives/cppcheck_install.log', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)

                myShCmd('docker cp ./openair-amf.tar.bz2 ci-cn-cppcheck:/home', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
                myShCmd('docker exec ci-cn-cppcheck /bin/bash -c "cd /home && tar -xjf openair-amf.tar.bz2"', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
                myShCmd('docker exec ci-cn-cppcheck /bin/bash -c "rm -f /home/openair-amf.tar.bz2"', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)

                myShCmd('docker exec ci-cn-cppcheck /bin/bash -c "cd /home && cppcheck --enable=warning --force --xml --xml-version=2 --suppressions-list=ci-scripts/cppcheck_suppressions.list src 2> cppcheck.xml 1> cppcheck_build.log"', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
              }
            }
          }
          post {
            always {
              script {
                myShCmd('docker cp ci-cn-cppcheck:/home/cppcheck.xml archives', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
                myShCmd('docker cp ci-cn-cppcheck:/home/cppcheck_build.log archives', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
                copyFrom2ndServer('archives/cppcheck*.*', 'archives', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
                // no need to keep the cppcheck container
                myShCmd('docker rm -f ci-cn-cppcheck', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
              }
            }
            success {
              sh "echo 'CPPCHECK: OK' >> archives/cppcheck_install.log"
            }
            unsuccessful {
              sh "echo 'CPPCHECK: KO' >> archives/cppcheck_install.log"
            }
          }
        }
        // Running CLANG-FORMATTING check in parallel to gain time
        stage ('Code Formatting Checker') {
          steps {
            script {
              gitlabCommitStatus(name: "Code Formatting Checker") {
                myShCmd('docker run --name ci-cn-clang-formatter -d ubuntu:bionic /bin/bash -c "sleep infinity"', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
                myShCmd('docker exec ci-cn-clang-formatter /bin/bash -c "apt-get update && apt-get upgrade --yes" > archives/clang_format_install.log', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
                myShCmd('docker exec ci-cn-clang-formatter /bin/bash -c "apt-get install --yes git tree bzip2" >> archives/clang_format_install.log', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)

                myShCmd('docker cp ./openair-amf.tar.bz2 ci-cn-clang-formatter:/home', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
                myShCmd('docker exec ci-cn-clang-formatter /bin/bash -c "cd /home && tar -xjf openair-amf.tar.bz2"', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
                myShCmd('docker exec ci-cn-clang-formatter /bin/bash -c "rm -f /home/openair-amf.tar.bz2"', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)

                // We install a dedicated version (installed on our CI server).
                myShCmd('docker cp /opt/clang-format/9.0.0/bin/clang-format ci-cn-clang-formatter:/usr/local/bin', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
                if ("MERGE".equals(env.gitlabActionType)) {
                  myShCmd('docker exec ci-cn-clang-formatter /bin/bash -c "cd /home && ./ci-scripts/checkCodingFormattingRules.sh --src-branch ' + env.gitlabSourceBranch +' --target-branch ' + env.gitlabTargetBranch + '"', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
                } else {
                  myShCmd('docker exec ci-cn-clang-formatter /bin/bash -c "cd /home && ./ci-scripts/checkCodingFormattingRules.sh"', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
                }
              }
            }
          }
          post {
            always {
              script {
                myShCmd('docker cp ci-cn-clang-formatter:/home/src/oai_rules_result.txt src', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
                // May not have been generated
                try {
                  myShCmd('docker cp ci-cn-clang-formatter:/home/src/oai_rules_result_list.txt src', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
                } catch (Exception e) {
                  echo "Failed to copy src/oai_rules_result_list.txt! It may not have been generated. That's OK!"
                }
                copyFrom2ndServer('archives/clang_format*.*', 'archives', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
                copyFrom2ndServer('src/oai_rules*.*', 'src', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
                // no need to keep the clang-formatter container
                myShCmd('docker rm -f ci-cn-clang-formatter', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
              }
            }
          }
        }
      }
    }
    stage ('Bracket Testing with DsTester') {
      steps {
        script {
          gitlabCommitStatus(name: "Bracket Test with DsTester") {
            localStatus = build job: params.AMF_BT_PipelineName,
              parameters: [
                string(name: 'AMF_TAG', value: String.valueOf(amf_tag))
              ], propagate: false
            localResult = localStatus.getResult()

            if (localStatus.resultIsBetterOrEqualTo('SUCCESS')) {
              echo "Bracket Test Job is OK"
            } else {
              echo "Bracket Test Job is KO"
              sh "ci-scripts/fail.sh"
            }
          }
        }
      }
      post {
        always {
          script {
            copyArtifacts(projectName: params.AMF_BT_PipelineName,
                          filter: '*_results_oai_amf_bt*.html',
                          selector: lastCompleted())
          }
        }
      }
    }
    stage('Testing whole 5g Core Network Functions') {
      parallel {
        stage ('Testing in CN-5G-FED Docker environment') {
          steps {
            script {
              gitlabCommitStatus(name: "Test with DsTester on Docker environment") {
                localStatus = build job: params.CN5G_FED_PipelineName,
                  parameters: [
                    string(name: 'AMF_TAG', value: String.valueOf(amf_tag)),
                    string(name: 'AMF_BRANCH', value: String.valueOf(amf_branch))
                  ], propagate: false
                localResult = localStatus.getResult()

                if (localStatus.resultIsBetterOrEqualTo('SUCCESS')) {
                  echo "Docker Federation Test Job is OK"
                } else {
                  echo "Docker Federation Test Job is KO"
                  sh "ci-scripts/fail.sh"
                }
              }
            }
          }
          post {
            always {
              script {
                copyArtifacts(projectName: params.CN5G_FED_PipelineName,
                              filter: '*_results_oai_cn5g*.html',
                              selector: lastCompleted())
              }
            }
          }
        }
        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: 'AMF_TAG', value: String.valueOf(amf_tag)),
                    string(name: 'AMF_BRANCH', value: String.valueOf(amf_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-amf:develop ${DH_Username}/oai-amf:develop", rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
              myShCmd("docker push ${DH_Username}/oai-amf:develop", rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
              myShCmd("docker rmi ${DH_Username}/oai-amf: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)
            }
          }
        }
      }
    }
  }
  post {
    success {
      script {
        if ("MERGE".equals(env.gitlabActionType)) {
          def message = "OAI " + JOB_NAME + " build (" + BUILD_ID + "): passed (" + BUILD_URL + ")"
          echo "This is a MERGE event"
          addGitLabMRComment comment: message
        }
      }
    }
    unsuccessful {
      script {
        if ("MERGE".equals(env.gitlabActionType)) {
          def message = "OAI " + JOB_NAME + " build (" + BUILD_ID + "): failed (" + BUILD_URL + ")"
          echo "This is a MERGE event"
          addGitLabMRComment comment: message
        }
      }
    }
    cleanup {
      script {
        if ("MERGE".equals(env.gitlabActionType)) {
          // Remove CI Base image tag
          myShCmd('docker rmi oai-amf-base:latest', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
        }
        // Removing temporary / intermediate images
        try {
          if ("MERGE".equals(env.gitlabActionType)) {
            myShCmd('docker image rm --force oai-amf:ci-tmp', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
          }
        } catch (Exception e) {
          echo "We failed to delete the OAI-AMF temp image"
        }
        try {
          if ("MERGE".equals(env.gitlabActionType)) {
            myShCmd('sudo podman image rm oai-amf:ci-tmp', rem_rhel_host_flag, rem_rhel_host_user, rem_rhel_host)
          }
        } catch (Exception e) {
          echo "We failed to delete the OAI-AMF temp image"
        }
        try {
          myShCmd('docker image prune --force', rem_u18_host_flag, rem_u18_host_user, rem_u18_host)
        } catch (Exception e) {
          echo "We failed to prune all unneeded intermediate images"
        }
        if (rem_rhel_host_flag) {
          try {
            myShCmd('sudo podman image prune --force', rem_rhel_host_flag, rem_rhel_host_user, rem_rhel_host)
          } catch (Exception e) {
            echo "We failed to prune all unneeded intermediate images"
          }
        }

        // Zipping all archived log files
        sh "zip -r -qq docker_logs.zip archives"
        if (fileExists('docker_logs.zip')) {
          archiveArtifacts artifacts: 'docker_logs.zip'
        }

        // Generating the HTML report(s)
        if ("MERGE".equals(env.gitlabActionType)) {
          sh "python3 ci-scripts/generateHtmlReport.py --job_name=${JOB_NAME} --job_id=${BUILD_ID} --job_url=${BUILD_URL} --git_url=${GIT_URL} --git_src_branch=${env.gitlabSourceBranch} --git_src_commit=${env.gitlabMergeRequestLastCommit} --git_pull_request=True --git_target_branch=${env.gitlabTargetBranch} --git_target_commit=${GIT_COMMIT}"
        } else {
          sh "python3 ci-scripts/generateHtmlReport.py --job_name=${JOB_NAME} --job_id=${BUILD_ID} --job_url=${BUILD_URL} --git_url=${GIT_URL} --git_src_branch=${GIT_BRANCH} --git_src_commit=${GIT_COMMIT}"
        }
        listOfFiles = sh returnStdout: true, script: 'ls test_results*.html'
        String[] htmlFiles = listOfFiles.split("\\n")
        for (htmlFile in htmlFiles) {
          if ("MERGE".equals(env.gitlabActionType)) {
            sh "sed -i -e 's#TEMPLATE_MERGE_REQUEST_LINK#${gitlabMergeRequestLink}#g' ${htmlFile}"
            sh "sed -i -e 's#TEMPLATE_MERGE_REQUEST_TEMPLATE#${env.gitlabMergeRequestTitle}#' ${htmlFile}"
          }
          sh "sed -i -e 's#TEMPLATE_TIME#${JOB_TIMESTAMP}#' ${htmlFile}"
          archiveArtifacts artifacts: htmlFile
        }

        // Sending email to commiter
        if (params.sendToCommitterEmail != null) {
          if (params.sendToCommitterEmail) {
            emailext attachmentsPattern: '*results*.html',
              body: '''Hi,


Here are attached HTML report files for $PROJECT_NAME - Build # $BUILD_NUMBER - $BUILD_STATUS!

Regards,
OAI CI Team''',
              replyTo: 'no-reply@openairinterface.org',
              subject: '$PROJECT_NAME - Build # $BUILD_NUMBER - $BUILD_STATUS!',
              to: gitCommitAuthorEmailAddr
          }
        }
      }
    }
  }
}

def copyTo2ndServer(filename, flag, user, host) {
  if (flag) {
    if ("openair-amf.tar.bz2".equals(filename)) {
      sh "ssh ${user}@${host} 'rm -rf /tmp/CI-CN-AMF'"
      sh "ssh ${user}@${host} 'mkdir -p /tmp/CI-CN-AMF'"
    }
    sh "scp ${filename} ${user}@${host}:/tmp/CI-CN-AMF"
    if ("openair-amf.tar.bz2".equals(filename)) {
      sh "ssh ${user}@${host} 'cd /tmp/CI-CN-AMF && tar -xjf ${filename}'"
      sh "ssh ${user}@${host} 'mkdir -p /tmp/CI-CN-AMF/archives/oai-amf-cfg'"
      sh "ssh ${user}@${host} 'rm -Rf /tmp/CI-CN-AMF/${filename}'"
    }
  }
}

def copyFrom2ndServer(filename, target, flag, user, host) {
  if (flag) {
    sh "scp ${user}@${host}:/tmp/CI-CN-AMF/${filename} ${target}"
  }
}

def myShCmd(cmd, flag, user, host) {
  if (flag) {
    sh "ssh -t -t ${user}@${host} 'cd /tmp/CI-CN-AMF && ${cmd}'"
  } else {
    sh "${cmd}"
  }
}

def myShRetCmd(cmd, flag, user, host) {
  if (flag) {
    ret = sh returnStdout: true, script: "ssh -t -t ${user}@${host} 'cd /tmp/CI-CN-AMF && ${cmd}'"
  } else {
    ret = sh returnStdout: true, script: "${cmd}"
  }
  ret = ret.trim()
  return ret
}
