Better way of shutting down processes of the users we are going to delete. Fixes #60 (#61)

Author: mvanbaak

import_users.sh

@@ -152,9 +152,16 @@ function create_or_update_local_user() {
 }
 
 function delete_local_user() {
+    # First, make sure no new sessions can be started
     /usr/sbin/usermod -L -s /sbin/nologin "${1}"
-    /usr/bin/pkill -KILL -u "${1}"
-    /usr/sbin/userdel -r "${1}"
+    # ask nicely and give them some time to shutdown
+    /usr/bin/pkill -15 -u "${1}"
+    sleep 5
+    # Dont want to close nicely? DIE!
+    /usr/bin/pkill -9 -u "${1}"
+    sleep 1
+    # Remove account now that all processes for the user are gone
+    /usr/sbin/userdel -f -r "${1}"
 }
 
 function clean_iam_username() {