CI: initial testing on FlexRan integration

-- Connection w/ basic simulator

Signed-off-by: Raphael Defosseux <raphael.defosseux@eurecom.fr>

ci-scripts/Jenkinsfile-gitlab

@@ -31,6 +31,7 @@ def sendSocialMediaMessage(pipeChannel, pipeColor, pipeMessage) {
 }
 
 def doRedHatBuild = false
+def doFlexranCtrlTest = false
 
 pipeline {
     agent {
@@ -69,6 +70,12 @@ pipeline {
                     } else {
                         doRedHatBuild = false
                     }
+                    if (params.FlexRanRtcGitLabRepository_Credentials != null) {
+                        doFlexranCtrlTest = True
+                    }
+                    if (fileExists("flexran")) {
+                        sh "rm -Rf flexran > /dev/null 2>&1"
+                    }
                 }
             }
         }
@@ -103,6 +110,18 @@ pipeline {
                         // For the moment, there is no fail criteria. Just a notification of number of files that do not follow
                         sh "./ci-scripts/checkCodingFormattingRules.sh"
                     }
+                    if (doFlexranCtrlTest) {
+                        sh "mkdir flexran"
+                        dir ('flexran') {
+                            withCredentials([
+                                [$class: 'UsernamePasswordMultiBinding', credentialsId: "${params.FlexRanRtcGitLabRepository_Credentials}", usernameVariable: 'git_username', passwordVariable: 'git_password']
+                                ]) {
+                                sh "git clone https://${git_username}:${git_password}@gitlab.eurecom.fr/flexran/flexran-rtc.git . > ../git_clone.log 2>&1"
+                            }
+                            sh "sed -i -e 's#add-apt-repository.*cleishm.*neo4j#add-apt-repository ppa:cleishm/neo4j -y#' -e 's#libneo4j-client-dev#libneo4j-client-dev -y#' tools/install_dependencies"
+                            sh "zip -r -qq flexran.zip ."
+                        }
+                    }
                 }
             }
             post {
@@ -288,12 +307,22 @@ pipeline {
                 stage ("Test basic simulator") {
                     steps {
                         gitlabCommitStatus(name: "Test basic-sim") {
-                            timeout (time: 20, unit: 'MINUTES') {
+                            timeout (time: 30, unit: 'MINUTES') {
                                 sh "./ci-scripts/oai-ci-vm-tool test --workspace $WORKSPACE --variant basic-sim --job-name ${JOB_NAME} --build-id ${BUILD_ID}"
                             }
                         }
                     }
                 }
+                stage ("Build Flexran Controller") {
+                    when {
+                        expression {doFlexranCtrlTest}
+                    }
+                    steps {
+                        timeout (time: 20, unit: 'MINUTES') {
+                            sh "./ci-scripts/oai-ci-vm-tool test --workspace $WORKSPACE --variant flexran-rtc --job-name ${JOB_NAME} --build-id ${BUILD_ID} --keep-alive"
+                        }
+                    }
+                }
                 stage ("Test FDD - Band 7 - B210") {
                     steps {
                         script {