def enable(self, cmd_callback=None, reload_cfg=False):
if not self.active:
if not cmd_callback:
cmd_callback = self.default_cmd_callback
cmd = cmd_callback(self.get_pid_file_name())
ip_wrapper = ip_lib.IPWrapper(namespace=self.namespace)
ip_wrapper.netns.execute(cmd,
addl_env=self.cmd_addl_env,
run_as_root=self.run_as_root)
elif reload_cfg:
self.reload_cfg()
def _destroy_namespace_and_port(self):
try:
self.device_manager.destroy(self.network, self.interface_name)
except RuntimeError:
LOG.warning(('Failed trying to delete interface: %s'),
self.interface_name)
if self.conf.dhcp_delete_namespaces and self.network.namespace:
ns_ip = ip_lib.IPWrapper(namespace=self.network.namespace)
try:
ns_ip.netns.delete(self.network.namespace)
except RuntimeError:
LOG.warning(('Failed trying to delete namespace: %s'),
self.network.namespace)
def _release_lease(self, mac_address, ip):
"""Release a DHCP lease."""
cmd = ['dhcp_release', self.interface_name, ip, mac_address]
ip_wrapper = ip_lib.IPWrapper(namespace=self.network.namespace)
ip_wrapper.netns.execute(cmd, run_as_root=True)