Enabling persistency on single stack VOLTHA jobs

Change-Id: Ifcef3ec603138203cee9032bbd4848de65223e90
diff --git a/jjb/voltha-scale.yaml b/jjb/voltha-scale.yaml
index 35e3848..6b81f35 100644
--- a/jjb/voltha-scale.yaml
+++ b/jjb/voltha-scale.yaml
@@ -80,8 +80,7 @@
           withEapol: true
           withDhcp: true
           withIgmp: false
-          extraHelmFlags: '--set authRetry=false,dhcpRetry=false -f /home/jenkins/voltha-scale/voltha-values.yaml '
-          rwCoreImg: volthacore/voltha-rw-core:meter
+          extraHelmFlags: '--set authRetry=false,dhcpRetry=false -f /home/jenkins/voltha-scale/voltha-values.yaml --set etcd.persistence.enabled=true,etcd.persistence.storageClass=longhorn'
 
       - 'voltha-scale-measurements':
           name: 'voltha-scale-measurements-master-2-16-32-dt-subscribers'
@@ -98,7 +97,6 @@
           withDhcp: false
           withIgmp: false
           extraHelmFlags: '-f /home/jenkins/voltha-scale/voltha-values.yaml '
-          rwCoreImg: volthacore/voltha-rw-core:meter
 
       - 'voltha-scale-measurements':
           name: 'voltha-scale-measurements-master-2-16-32-tt-subscribers'
@@ -116,8 +114,7 @@
           withIgmp: true
           onosReplicas: 3
           atomixReplicas: 3
-          extraHelmFlags: '--set dhcpRetry=false -f /home/jenkins/voltha-scale/voltha-values.yaml '
-          rwCoreImg: volthacore/voltha-rw-core:meter
+          extraHelmFlags: '--set dhcpRetry=false -f /home/jenkins/voltha-scale/voltha-values.yaml --set etcd.persistence.enabled=true,etcd.persistence.storageClass=longhorn'
 
       # multi-stack jobs
       - 'voltha-scale-measurements':
@@ -156,7 +153,7 @@
           withEapol: false
           withDhcp: false
           withIgmp: false
-          extraHelmFlags: "-f /home/jenkins/voltha-scale/voltha-values.yaml "
+          extraHelmFlags: "-f /home/jenkins/voltha-scale/voltha-values.yaml --set etcd.persistence.enabled=true,etcd.persistence.storageClass=longhorn"
 
       - 'voltha-scale-measurements':
           name: 'voltha-scale-measurements-master-10-stacks-2-16-32-tt-subscribers'
@@ -200,6 +197,7 @@
           openonuAdapterImg: ''
           openonuAdapterGoImg: ''
           onosImg: ''
+          extraHelmFlags: "--set authRetry=false,dhcpRetry=false -f /home/jenkins/voltha-scale/voltha-values.yaml --set etcd.persistence.enabled=true,etcd.persistence.storageClass=longhorn"
 
       - 'voltha-scale-measurements':
           name: 'voltha-scale-measurements-voltha-2.8-2-16-32-dt-subscribers'
@@ -224,6 +222,7 @@
           openonuAdapterImg: ''
           openonuAdapterGoImg: ''
           onosImg: ''
+          extraHelmFlags: "-f /home/jenkins/voltha-scale/voltha-values.yaml --set etcd.persistence.enabled=true,etcd.persistence.storageClass=longhorn"
 
       - 'voltha-scale-measurements':
           name: 'voltha-scale-measurements-voltha-2.8-2-16-32-tt-subscribers'
@@ -248,6 +247,7 @@
           openonuAdapterImg: ''
           openonuAdapterGoImg: ''
           onosImg: ''
+          extraHelmFlags: "--set dhcpRetry=false -f /home/jenkins/voltha-scale/voltha-values.yaml --set etcd.persistence.enabled=true,etcd.persistence.storageClass=longhorn"
 
       # 2.8 multi-stack jobs
       - 'voltha-scale-measurements':