[PATCH 12/13] Controller.Machine: add cache for devices moved to a namespace

[Jan Tluka]

The cache is used for temporarily store the device instances that are moved
between namespaces.


Signed-off-by: Jan Tluka <jtluka(a)redhat.com&gt;
---
 lnst/Controller/Machine.py | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/lnst/Controller/Machine.py b/lnst/Controller/Machine.py
index fce150be..9007ffa4 100644
--- a/lnst/Controller/Machine.py
+++ b/lnst/Controller/Machine.py
@@ -86,6 +86,7 @@ class Machine(object):
 
         self._device_database = {}
         self._tmp_device_database = []
+        self._netns_moved_devices = {}
 
         self._initns = None
 
@@ -141,6 +142,16 @@ class Machine(object):
                 kwargs=dev_kwargs,
                 netns=dst)
 
+    def _add_device_to_netns_moved_devices(self, dev, dst, src):
+        del self._device_database[src][dev.ifindex]
+
+        self._netns_moved_devices[dev] = {
+            "src": src,
+            "dst": dst,
+            "old_ifindex": dev.ifindex,
+            "new_ifindex": None,
+        }
+
     def remote_device_method(self, index, method_name, args, kwargs, netns):
         config_res = DeviceMethodCallResult(
             success=True,
-- 
2.26.3