editing spark deployment in "kube-roll-all" to roll Spark if the ETL …

…job is not running (#2543)

gen3/bin/kube-roll-all.sh

@@ -129,9 +129,13 @@ fi
 
 if g3k_manifest_lookup .versions.spark 2> /dev/null; then
   #
-  # Only if not already deployed - otherwise it may interrupt a running ETL
+  # Only if an ETL job is not running
   #
-  if ! g3kubectl get deployment spark-deployment > /dev/null 2>&1; then
+  # Save etl pods to a var
+  PODS=$(kubectl get pods -o jsonpath='{range .items[*]}{.metadata.name}{" "}{.status.phase}{"\n"}{end}' | grep "etl")
+  # Get any running ETL pods and save them to a var
+  RUNNING_POD=$(echo "$PODS" | grep " Running")
+  if [ -z "$RUNNING_POD" ]; then
     gen3 kube-setup-spark &
   fi
 else