Refactor COMAC-in-a-box helm-charts Jenkins test

Change-Id: I133df8e18a314cea53b9b040423a005c1d847bb2
diff --git a/jjb/pipeline/comac-in-a-box-gerrit.groovy b/jjb/pipeline/comac-in-a-box-gerrit.groovy
new file mode 100644
index 0000000..dc2be39
--- /dev/null
+++ b/jjb/pipeline/comac-in-a-box-gerrit.groovy
@@ -0,0 +1,77 @@
+// Copyright 2020-present Open Networking Foundation
+//
+// Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
+//
+// 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.
+
+// comac-in-a-box-gerrit build+test
+// steps taken from https://guide.opencord.org/profiles/comac/install/ciab.html
+
+pipeline {
+
+  /* no label, executor is determined by JJB */
+  agent {
+    label "${params.buildNode}"
+  }
+
+  options {
+    timeout(time: 1, unit: 'HOURS')
+  }
+
+  stages {
+    stage ("Environment Setup"){
+      steps {
+        sh label: 'Run COMAC-in-a-box reset-test', script: """
+          echo $HOME
+          cd $HOME/automation-tools/comac-in-a-box/
+          sudo make reset-test
+          """
+        sh label: 'Cleanup Docker Images', script: '''
+          sudo docker rmi -f $(sudo docker images --format '{{.Repository}} {{.ID}}' | grep 'none' | awk '{print $2}') || true
+          sudo docker rmi -f $(sudo docker images --format '{{.Repository}}:{{.Tag}}' | grep 'openmme') || true
+          sudo docker rmi -f $(sudo docker images --format '{{.Repository}}:{{.Tag}}' | grep 'ngic') || true
+          sudo docker rmi -f $(sudo docker images --format '{{.Repository}}:{{.Tag}}' | grep 'c3po') || true
+          '''
+        sh label: 'helm-charts Repo Fresh Clone', script: """
+          cd $HOME/cord/
+          sudo rm -rf helm-charts/
+          git clone https://gerrit.opencord.org/helm-charts
+          """
+      }
+    }
+
+    stage ("Fetch Helm-Charts Changes"){
+      steps {
+        sh label: 'Fetch helm-charts Gerrit Changes', script: """
+          cd $HOME/cord/helm-charts/
+          if [ ! -z "${GERRIT_REFSPEC}" ]
+          then
+            echo "Checking out Gerrit patchset: ${GERRIT_REFSPEC}"
+            git fetch ${gitUrl} ${GERRIT_REFSPEC} && git checkout FETCH_HEAD
+          else
+            echo "GERRIT_REFSPEC not provided. Checking out master branch."
+            git checkout master
+          fi
+          """
+      }
+    }
+
+    stage ("Run COMAC-in-a-box"){
+      steps {
+        sh label: 'Run Makefile', script: """
+          cd $HOME/automation-tools/comac-in-a-box/
+          sudo make reset-test
+          sudo make test
+          """
+      }
+    }
+  }
+}