Replace simple pillar lookup with salt equivalent to ensure quoted values are handled properly

salt/common/tools/sbin/so-common

@@ -33,12 +33,12 @@ header() {
 
 lookup_pillar() {
     key=$1
-    cat /opt/so/saltstack/local/pillar/global.sls | grep $key | awk '{print $2}'
+    salt-call --no-color  pillar.get global:${key} --out=newline_values_only
 }
 
 lookup_pillar_secret() {
     key=$1
-    cat /opt/so/saltstack/local/pillar/secrets.sls | grep $key | awk '{print $2}'
+    salt-call --no-color  pillar.get secrets:${key} --out=newline_values_only
 }
 
 check_container() {