diff --git a/xos/tosca/destroy.py b/xos/tosca/destroy.py
new file mode 100644
index 0000000..fd86fdc
--- /dev/null
+++ b/xos/tosca/destroy.py
@@ -0,0 +1,31 @@
+import os
+import sys
+
+# add the parent directory to sys.path
+import os,sys,inspect
+currentdir = os.path.dirname(os.path.abspath(inspect.getfile(inspect.currentframe())))
+parentdir = os.path.dirname(currentdir)
+sys.path.append(parentdir)
+
+os.environ.setdefault("DJANGO_SETTINGS_MODULE", "xos.settings")
+import django
+django.setup()
+
+from core.models import User
+from tosca.engine import XOSTosca
+
+def main():
+    if len(sys.argv)<3:
+        print "Syntax: destroy.py <username> <yaml-template-name>"
+        sys.exit(-1)
+
+    username = sys.argv[1]
+    template_name = sys.argv[2]
+
+    u = User.objects.get(email=username)
+
+    xt = XOSTosca(file(template_name).read(), parent_dir=currentdir)
+    xt.destroy(u)
+
+if __name__=="__main__":
+    main()
diff --git a/xos/tosca/engine.py b/xos/tosca/engine.py
index 118bfe2..a01ddd6 100644
--- a/xos/tosca/engine.py
+++ b/xos/tosca/engine.py
@@ -41,8 +41,22 @@
             obj = cls(user, nodetemplate)
             obj.create_or_update()
 
+    def execute_nodetemplate(self, user, nodetemplate):
+        if nodetemplate.type in resources.resources:
+            cls = resources.resources[nodetemplate.type]
+            #print "work on", cls.__name__, nodetemplate.name
+            obj = cls(user, nodetemplate)
+            obj.create_or_update()
 
-
-
-
+    def destroy(self, user):
+        models = []
+        for nodetemplate in self.template.nodetemplates:
+            if nodetemplate.type in resources.resources:
+                cls = resources.resources[nodetemplate.type]
+                obj = cls(user, nodetemplate)
+                models = models + list(obj.get_existing_objs())
+        models.reverse()
+        for model in models:
+            print "destroying", model
+            model.delete(purge=True) # XXX change before deploying
 
diff --git a/xos/tosca/resources/slice.py b/xos/tosca/resources/slice.py
index 90ae75f..7e63ba0 100644
--- a/xos/tosca/resources/slice.py
+++ b/xos/tosca/resources/slice.py
@@ -13,9 +13,6 @@
     provides = "tosca.nodes.Slice"
     xos_model = Slice
 
-    def get_existing_objs(self):
-        return Slice.objects.filter(name=self.nodetemplate.name)
-
     def get_xos_args(self):
         site_name = self.get_requirement("tosca.relationships.MemberOfSite", throw_exception=True)
         site = self.get_xos_object(Site, login_base=site_name)