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| author |   Steven Hardy <shardy@redhat.com> | 2015-01-26 21:09:59 +0000 |
|---|---|---|
| committer | Steven Hardy <shardy@redhat.com> | 2015-03-05 13:11:09 +0000 |
| commit | 3f36600d1c7159f3ba00a2449e381cd32239af4e (patch) | |
| tree | eb11dc1d0ed4ecbc4b99c4a81e167adec88f7270 /os_net_config/__init__.py | |
| parent | 3304fa066d1dae93df0f597c1709c955e3857a5d (diff) | |
Enable renaming of interfaces without reboot
When using persist_mapping to rename nics, you can either use
--no-activate then reboot, or with this patch, allow activation
and we'll take the device links down and rename on the fly avoiding
the need for a reboot.
Change-Id: Ife9486c9f5447e9c7a55f90ba075e22b6344ad67
Diffstat (limited to 'os_net_config/__init__.py')
| -rw-r--r-- | os_net_config/__init__.py | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/os_net_config/__init__.py b/os_net_config/__init__.py index 5e1d091..e1bee26 100644 --- a/os_net_config/__init__.py +++ b/os_net_config/__init__.py @@ -125,3 +125,17 @@ class NetConfig(object): def ifup(self, interface, iftype='interface'): msg = 'running ifup on %s: %s' % (iftype, interface) self.execute(msg, '/sbin/ifup', interface) + + def ifrename(self, oldname, newname): + msg = 'renaming %s to %s: ' % (oldname, newname) + # ifdown isn't enough when renaming, we need the link down + for name in (oldname, newname): + if utils._is_active_nic(name): + self.execute(msg, '/sbin/ip', + 'link', 'set', 'dev', name, 'down') + self.execute(msg, '/sbin/ip', + 'link', 'set', 'dev', name, 'link', 'down') + self.execute(msg, '/sbin/ip', + 'link', 'set', 'dev', oldname, 'name', newname) + self.execute(msg, '/sbin/ip', + 'link', 'set', 'dev', newname, 'up') |