diff --git a/jjb/pipeline/xos-service-upgrade.groovy b/jjb/pipeline/xos-service-upgrade.groovy
index e8df696..255994c 100644
--- a/jjb/pipeline/xos-service-upgrade.groovy
+++ b/jjb/pipeline/xos-service-upgrade.groovy
@@ -118,7 +118,6 @@
            #wait for xos-core and models to be loaded
            timeout 300 bash -c "until http -a admin@opencord.org:letmein GET http://127.0.0.1:30001/xosapi/v1/dynamicload/load_status | jq '.services[] | select(.name==\\"core\\").state'| grep -q present; do echo 'Waiting for Core to be loaded'; sleep 5; done"
            timeout 300 bash -c "until http -a admin@opencord.org:letmein GET http://127.0.0.1:30001/xosapi/v1/dynamicload/load_status | jq '.services[] | select(.name==\\"${gerritProject}\\").state'| grep -q present; do echo 'Waiting for Core to be loaded'; sleep 5; done"
-           http -a admin@opencord.org:letmein GET http://127.0.0.1:30001/xosapi/v1/dynamicload/load_status | jq ".services[] | select(.name==\\"core\\").version"| grep -q \$DOCKER_TAG
 
            ## get pod logs
            for pod in \$(kubectl get pods --no-headers | awk '{print \$1}');
@@ -128,6 +127,56 @@
            """
       }
     }
+    stage('Generate Model API Tests') {
+      steps {
+        sh """
+           CORE_CONTAINER=\$(docker ps | grep k8s_xos-core | awk '{print \$1}')
+           cd $WORKSPACE/cord/test/cord-tester
+           docker cp $WORKSPACE/cord/test/cord-tester/src/test/cord-api/Tests/targets/xosserviceupgradetest.xtarget \$CORE_CONTAINER:/opt/xos/lib/xos-genx/xosgenx/targets/xosserviceupgradetest.xtarget
+           docker cp $WORKSPACE/cord/test/cord-tester/src/test/cord-api/Tests/targets/xosstaticlibrary.xtarget \$CORE_CONTAINER:/opt/xos/lib/xos-genx/xosgenx/targets/xosstaticlibrary.xtarget
+
+           export testname=_service_api.robot
+           export library=_library.robot
+
+           SERVICES=\$(docker exec -i \$CORE_CONTAINER /bin/bash -c "cd /opt/xos/dynamic_services/;find -name '*.xproto'" | awk -F[//] '{print \$2}')
+           echo \$SERVICES
+
+           for i in \$SERVICES; do bash -c "docker exec -i \$CORE_CONTAINER /bin/bash -c 'xosgenx --target /opt/xos/lib/xos-genx/xosgenx/targets/./xosserviceupgradetest.xtarget /opt/xos/dynamic_services/\$i/\$i.xproto /opt/xos/core/models/core.xproto'" > $WORKSPACE/cord/test/cord-tester/src/test/cord-api/Tests/\$i\$testname; done
+
+           for i in \$SERVICES; do bash -c "docker exec -i \$CORE_CONTAINER /bin/bash -c 'xosgenx --target /opt/xos/lib/xos-genx/xosgenx/targets/./xosstaticlibrary.xtarget /opt/xos/dynamic_services/\$i/\$i.xproto /opt/xos/core/models/core.xproto'" > $WORKSPACE/cord/test/cord-tester/src/test/cord-api/Tests/\$i\$library; done
+           ls -al $WORKSPACE/cord/test/cord-tester/src/test/cord-api/Tests/
+           """
+      }
+    }
+
+    stage('Test Pre-Upgrade') {
+      steps {
+        sh """
+           pushd cord/test/cord-tester/src/test/cord-api/Tests
+
+           CORE_CONTAINER=\$(docker ps | grep k8s_xos-core | awk '{print \$1}')
+           CHAM_CONTAINER=\$(docker ps | grep k8s_xos-chameleon | awk '{print \$1}')
+           XOS_CHAMELEON=\$(docker exec \$CHAM_CONTAINER ip a | grep -oE "([0-9]{1,3}\\.){3}[0-9]{1,3}\\b" | grep 172)
+
+           cd $WORKSPACE/cord/test/cord-tester/src/test/cord-api/Properties/
+           sed -i \"s/^\\(SERVER_IP = \\).*/\\1\'\$XOS_CHAMELEON\'/\" RestApiProperties.py
+           sed -i \"s/^\\(SERVER_PORT = \\).*/\\1\'9101\'/\" RestApiProperties.py
+           sed -i \"s/^\\(XOS_USER = \\).*/\\1\'admin@opencord.org\'/\" RestApiProperties.py
+           sed -i \"s/^\\(XOS_PASSWD = \\).*/\\1\'letmein\'/\" RestApiProperties.py
+           sed -i \"s/^\\(PASSWD = \\).*/\\1\'letmein\'/\" RestApiProperties.py
+
+           export testname=_service_api.robot
+           export library=_library.robot
+           SERVICES=\$(docker exec -i \$CORE_CONTAINER /bin/bash -c "cd /opt/xos/dynamic_services/;find -name '*.xproto'" | awk -F[//] '{print \$2}')
+           echo \$SERVICES
+
+           cd $WORKSPACE/cord/test/cord-tester/src/test/cord-api/Tests
+           for i in \$SERVICES; do bash -c "robot -v SETUP_FLAG:Setup -i create -d Log -T -v TESTLIBRARY:${gerritProject}_library.robot \$i\$testname"; sleep 2; done || true
+
+           popd
+           """
+      }
+    }
 
     stage('Build/Install New Service') {
       steps {
@@ -151,6 +200,7 @@
            """
       }
     }
+
     stage('Verify Service Upgrade') {
       steps {
         sh """
@@ -162,6 +212,23 @@
            timeout 300 bash -c "until http -a admin@opencord.org:letmein GET http://127.0.0.1:30001/xosapi/v1/dynamicload/load_status | jq '.services[] | select(.name==\\"core\\").state'| grep -q present; do echo 'Waiting for Core to be loaded'; sleep 5; done"
            timeout 300 bash -c "until http -a admin@opencord.org:letmein GET http://127.0.0.1:30001/xosapi/v1/dynamicload/load_status | jq '.services[] | select(.name==\\"${gerritProject}\\").state'| grep -q present; do echo 'Waiting for New Service to be loaded'; sleep 5; done"
            timeout 300 bash -c "until http -a admin@opencord.org:letmein GET http://127.0.0.1:30001/xosapi/v1/dynamicload/load_status | jq '.services[] | select(.name==\\"${gerritProject}\\").version'| grep -q \$DOCKER_TAG; do echo 'Waiting for New Service Version Check'; sleep 5; done"
+           sleep 120
+           """
+      }
+    }
+
+    stage('Test Post-Upgrade') {
+      steps {
+        sh """
+           CORE_CONTAINER=\$(docker ps | grep k8s_xos-core | awk '{print \$1}')
+
+           export testname=_service_api.robot
+           export library=_library.robot
+           SERVICES=\$(docker exec -i \$CORE_CONTAINER /bin/bash -c "cd /opt/xos/dynamic_services/;find -name '*.xproto'" | awk -F[//] '{print \$2}')
+           echo \$SERVICES
+           cd $WORKSPACE/cord/test/cord-tester/src/test/cord-api/Tests
+           for i in \$SERVICES; do bash -c "robot -v SETUP_FLAG:Setup -i get -d Log -T -v TESTLIBRARY:${gerritProject}_library.robot \$i\$testname"; sleep 2; done || true
+
            ## get pod logs
            for pod in \$(kubectl get pods --no-headers | awk '{print \$1}');
            do
@@ -170,10 +237,54 @@
            """
       }
     }
+
+    stage('Downgrade Service') {
+      steps {
+        sh """
+           #!/usr/bin/env bash
+           set -eu -o pipefail
+
+           pushd cord/helm-charts
+           #delete service
+           helm delete --purge ${gerritProject}
+
+           #re-install service with previous version
+           helm dep update xos-services/${gerritProject}
+           helm install xos-services/${gerritProject} -n ${gerritProject}
+
+           #wait for xos-core and models to be loaded
+           timeout 300 bash -c "until http -a admin@opencord.org:letmein GET http://127.0.0.1:30001/xosapi/v1/dynamicload/load_status | jq '.services[] | select(.name==\\"core\\").state'| grep -q present; do echo 'Waiting for Core to be loaded'; sleep 5; done"
+           timeout 300 bash -c "until http -a admin@opencord.org:letmein GET http://127.0.0.1:30001/xosapi/v1/dynamicload/load_status | jq '.services[] | select(.name==\\"${gerritProject}\\").state'| grep -q present; do echo 'Waiting for Service to be loaded'; sleep 5; done"
+           sleep 120
+           cd $WORKSPACE/cord/test/cord-tester/src/test/cord-api/Tests
+
+           CORE_CONTAINER=\$(docker ps | grep k8s_xos-core | awk '{print \$1}')
+
+           export testname=_service_api.robot
+           export library=_library.robot
+           SERVICES=\$(docker exec -i \$CORE_CONTAINER /bin/bash -c "cd /opt/xos/dynamic_services/;find -name '*.xproto'" | awk -F[//] '{print \$2}')
+           echo \$SERVICES
+           for i in \$SERVICES; do bash -c "robot -v SETUP_FLAG:Setup -i get -d Log -T -v TESTLIBRARY:${gerritProject}_library.robot \$i\$testname"; sleep 2; done || true
+
+           ## get pod logs
+           for pod in \$(kubectl get pods --no-headers | awk '{print \$1}');
+           do
+             kubectl logs \$pod> $WORKSPACE/\$pod.log;
+           done || true
+
+           popd
+           """
+      }
+    }
+
   }
+
   post {
     always {
       sh """
+         # copy robot logs
+         if [ -d RobotLogs ]; then rm -r RobotLogs; fi; mkdir RobotLogs
+         cp -r $WORKSPACE/cord/test/cord-tester/src/test/cord-api/Tests/Log/*ml ./RobotLogs
          kubectl get pods --all-namespaces
          kubectl describe pods
          http -a admin@opencord.org:letmein GET http://127.0.0.1:30001/xosapi/v1/dynamicload/load_status
@@ -189,9 +300,17 @@
 
          sudo minikube delete
          """
+        step([$class: 'RobotPublisher',
+            disableArchiveOutput: false,
+            logFileName: 'RobotLogs/log*.html',
+            otherFiles: '',
+            outputFileName: 'RobotLogs/output*.xml',
+            outputPath: '.',
+            passThreshold: 100,
+            reportFileName: 'RobotLogs/report*.html',
+            unstableThreshold: 0]);
          archiveArtifacts artifacts: '*.log'
          step([$class: 'Mailer', notifyEveryUnstableBuild: true, recipients: "kailash@opennetworking.org, scottb@opennetworking.org", sendToIndividuals: false])
-
     }
   }
 }