def state(self):
"""
Returns either 'up' or 'down', depending on interface state.
Setting to one of these values immediately changes interface state.
"""
flags = ip(['link', 'show', 'dev', self.name])[self.name]['flags']
return 'up' if 'UP' in flags else 'down'
def destroy(self):
"""Destroy the VLAN interface."""
ip(['link', 'delete', self.name, 'type', 'vlan'])
def create(cls, parent, tag):
"""Create VLAN-tagged interface on specified parent."""
name = '%s.%i' % (parent, tag)
ip(['link', 'add', name, 'link', parent,
'type', 'vlan', 'id', str(tag)])
return cls(name)
def destroy(self):
"""Destroy the VXLAN tunnel interface."""
ip(['link', 'delete', self.name, 'type', 'vxlan'])
def create(cls, name, group, tag):
"""Create VXLAN tunnel with a tag and mcast group."""
ip(['link', 'add', name, 'type', 'vxlan', 'id', str(tag), 'group', group])
return cls(name)
def hwaddr(self, value):
if value != self.hwaddr:
ip(['link', 'set', 'address', value, 'dev', self.name])
def state(self, value):
if value not in ('up', 'down'):
raise ValueError('link can be either "up" or "down"')
ip(['link', 'set', value, 'dev', self.name])
def addr_del(self, addr):
"""
Removes IPv4 or IPv6 address from the interface.
You should use the canonical form with prefix.
"""
ip(['addr', 'del', addr, 'dev', self.name])
def addr_add(self, addr):
"""
Adds another IPv4 or IPv6 address to the interface.
The address string should include network prefix.
"""
ip(['addr', 'add', addr, 'dev', self.name])
def inet6(self):
"""List of interface IPv6 addresses."""
inet6 = ip(['addr', 'show', 'dev', self.name])[self.name]\
.get('inet6', [])
return [x['address'] for x in inet6]
def mtu(self, value):
ip(['link', 'set', 'mtu', str(value)])
def destroy(self):
"""Destroy the bridge."""
ip(['link', 'delete', self.name, 'type', 'bridge'])
def create(cls, name):
"""Create new bridge with specified name."""
ip(['link', 'add', name, 'type', 'bridge'])
return cls(name)
