Ido Barkan has uploaded a new change for review.

Change subject: net: add simple network namespace functions to ipwrapper
......................................................................

net: add simple network namespace functions to ipwrapper

Adding simple wrappers for adding, deleting, and executing ip commands
in other namespaces.

Change-Id: I6b83c9635fba4feb4946ceba460f3ab8c09ad656
Signed-off-by: Ido Barkan <[email protected]>
---
M lib/vdsm/ipwrapper.py
M tests/nettestlib.py
2 files changed, 26 insertions(+), 0 deletions(-)


  git pull ssh://gerrit.ovirt.org:29418/vdsm refs/changes/47/46447/1

diff --git a/lib/vdsm/ipwrapper.py b/lib/vdsm/ipwrapper.py
index 3ded776..e8aa6cd 100644
--- a/lib/vdsm/ipwrapper.py
+++ b/lib/vdsm/ipwrapper.py
@@ -585,3 +585,20 @@
 def linkDel(dev):
     command = [_IP_BINARY.cmd, 'link', 'del', 'dev', dev]
     _execCmd(command)
+
+
+def netns_add(name):
+    _execCmd([_IP_BINARY.cmd, 'netns', 'add', name])
+
+
+def netns_delete(name):
+    _execCmd([_IP_BINARY.cmd, 'netns', 'delete', name])
+
+
+def netns_exec(netns_name, command):
+    netns_command = [_IP_BINARY.cmd, 'netns', 'exec', netns_name]
+    _execCmd(netns_command + command)
+
+
+def netns_assign(device, netns_name):
+    _execCmd([_IP_BINARY.cmd, 'link', 'set', device, 'netns', netns_name])
diff --git a/tests/nettestlib.py b/tests/nettestlib.py
index 2ffb11a..c923f44 100644
--- a/tests/nettestlib.py
+++ b/tests/nettestlib.py
@@ -132,6 +132,15 @@
             pass
 
 
+@contextmanager
+def network_namespace(name):
+    netns_add(name)
+    try:
+        yield name
+    finally:
+        netns_delete(name)
+
+
 def _listenOnDevice(fd, icmp):
     while True:
         packet = os.read(fd, 2048)


-- 
To view, visit https://gerrit.ovirt.org/46447
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Gerrit-MessageType: newchange
Gerrit-Change-Id: I6b83c9635fba4feb4946ceba460f3ab8c09ad656
Gerrit-PatchSet: 1
Gerrit-Project: vdsm
Gerrit-Branch: master
Gerrit-Owner: Ido Barkan <[email protected]>
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