def remove(self, path):
netnspath = netns._get_netnspath(path)
info = None
try:
info = self.ipr._dump_one_ns(netnspath, set())
except SkipInode:
raise NetlinkError(errno.EEXIST)
info['header']['type'] = RTM_DELNETNS
info['header']['target'] = self.target
info['event'] = 'RTM_DELNETNS'
del info['value']
try:
netns.remove(netnspath, self.libc)
except OSError as e:
raise NetlinkError(e.errno)
return (info,)
def teardown(self):
'''
1. close the test NDB
2. remove the registered interfaces, ignore not existing
'''
self.ndb.close()
self.ipr.close()
for (ifname, nsname) in self.interfaces.items():
try:
ipr = None
#
# spawn ipr to remove the interface
if nsname is not None:
ipr = NetNS(nsname)
else:
ipr = IPRoute()
#
# lookup the interface index
index = list(ipr.link_lookup(ifname=ifname))
if len(index):
index = index[0]
else:
#
# ignore not existing interfaces
continue
#
# try to remove it
ipr.link('del', index=index)
except NetlinkError as e:
#
# ignore if removed (t.ex. by another process)
if e.code != errno.ENODEV:
raise
finally:
if ipr is not None:
ipr.close()
for nsname in self.namespaces:
netns.remove(nsname)
for net in self.ipnets:
free_network(net)
def remove(self):
'''
Try to remove this network namespace from the system.
'''
remove(self.netns)