Merge pull request #1346 from Security-Onion-Solutions/rc3upgrade

Rc3upgrade

salt/common/tools/sbin/soup

@@ -38,7 +38,8 @@ manager_check() {
 
 clean_dockers() {
   # Place Holder for cleaning up old docker images
-  echo ""
+  echo "Trying to clean up old dockers."
+  docker system prune -a -f
 }
 
 clone_to_tmp() {
@@ -185,6 +186,18 @@ rc2_to_rc3() {
 
 }
 
+space_check() {
+  # Check to see if there is enough space
+  CURRENTSPACE=$(df -BG / | grep -v Avail | awk '{print $4}' | sed 's/.$//')
+  if [ "$CURRENTSPACE" -lt "10" ]; then
+      echo "You are low on disk space. Upgrade will try and clean up space.";
+      clean_dockers
+  else
+      echo "Plenty of space for upgrading"
+  fi
+  
+}
+
 update_dockers() {
     # List all the containers
     if [ $MANAGERCHECK == 'so-import' ]; then
@@ -366,7 +379,7 @@ echo ""
 
 echo "Let's see if we need to update Security Onion."
 upgrade_check
-
+space_check
 
 echo ""
 echo "Performing upgrade from Security Onion $INSTALLEDVERSION to Security Onion $NEWVERSION."
@@ -385,8 +398,6 @@ echo "Making pillar changes."
 pillar_changes
 echo ""
 
-echo "Cleaning up old dockers."
-clean_dockers
 echo ""
 echo "Updating dockers to $NEWVERSION."
 update_dockers