Removing PLUMgrid restart on LCM Key post

hooks/pg_gw_hooks.py

@@ -70,6 +70,9 @@ def config_changed():
     This hook is run when a config parameter is changed.
     It also runs on node reboot.
     '''
+    if add_lcm_key():
+        log("PLUMgrid LCM Key added")
+        return 1
     stop_pg()
     configure_sources(update=True)
     pkgs = determine_packages()

hooks/pg_gw_utils.py

@@ -212,3 +212,4 @@ def add_lcm_key():
     fa.write(key)
     fa.write('\n')
     fa.close()
+    return 1

unit_tests/test_pg_gw_hooks.py

@@ -71,6 +71,7 @@ class PGGwHooksTests(CharmTestCase):
 
     def test_config_changed_hook(self):
         _pkgs = ['plumgrid-lxc', 'iovisor-dkms']
+        self.add_lcm_key.return_value = 0
         self.determine_packages.return_value = [_pkgs]
         self._call_hook('config-changed')
         self.stop_pg.assert_called_with()
@@ -82,7 +83,6 @@ class PGGwHooksTests(CharmTestCase):
         self.load_iovisor.assert_called_with()
         self.ensure_mtu.assert_called_with()
         self.ensure_files.assert_called_with()
-        self.add_lcm_key.assert_called_with()
         self.CONFIGS.write_all.assert_called_with()
         self.restart_pg.assert_called_with()