instantiate sycn steps with openstack driver. Implement garbage collector and deleters
diff --git a/planetstack/observer/deleters/network_deleter.py b/planetstack/observer/deleters/network_deleter.py
new file mode 100644
index 0000000..51f9fcb
--- /dev/null
+++ b/planetstack/observer/deleters/network_deleter.py
@@ -0,0 +1,17 @@
+from core.models import Network
+from deleter import Deleter
+
+class NetworkDeleter(Deleter):
+    model='Network'
+
+    def call(self, pk):
+        network = Network.objects.get(pk=pk) 
+        if (network.router_id) and (network.subnet_id):
+            self.driver.delete_router_interface(network.router_id, network.subnet_id)
+        if network.subnet_id:
+            self.driver.delete_subnet(network.subnet_id)
+        if network.router_id:
+            self.driver.delete_router(network.router_id)
+        if network.network_id:
+            self.driver.delete_network(network.network_id)
+        network.delete()