def delete_ip_from_interface(fip):
ip = ip_lib.IPWrapper()
dev = ip.get_device_by_ip(fip)
if dev is not None:
dev.addr.delete(fip)
return True
return False
def __init__(self, vm_uuid, nic_left, nic_right, other_nics=None,
root_helper='sudo', cfg_file=None, update=False,
pool_id=None, gw_ip=None, namespace_name=None):
self.vm_uuid = vm_uuid
if namespace_name is None:
self.namespace = self.NETNS_PREFIX + self.vm_uuid
else:
self.namespace = namespace_name
if pool_id:
self.namespace = self.namespace + ":" + pool_id
self.nic_left = nic_left
self.nic_right = nic_right
self.root_helper = root_helper
self.nics = other_nics or []
if self.nic_left:
self.nic_left['name'] = (self.LEFT_DEV_PREFIX +
self.nic_left['uuid'])[:self.DEV_NAME_LEN]
self.nics.append(self.nic_left)
if self.nic_right:
self.nic_right['name'] = (self.RIGH_DEV_PREFIX +
self.nic_right['uuid'])[:self.DEV_NAME_LEN]
self.nics.append(self.nic_right)
self.ip_ns = ip_lib.IPWrapper(root_helper=self.root_helper,
namespace=self.namespace)
self.vrouter_client = ContrailVRouterApi()
self.cfg_file = cfg_file
self.update = update
self.gw_ip = gw_ip
def add_ip_to_interface(fip):
ip = ip_lib.IPWrapper()
devices = ip.get_devices()
for dev in devices:
if dev.route.get_gateway() is not None:
if ip.get_device_by_ip(fip) is None:
dev.addr.add(fip)
return True
return False
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 disable(self, sig='9', get_stop_command=None):
pid = self.pid
if self.active:
if get_stop_command:
cmd = get_stop_command(self.get_pid_file_name())
ip_wrapper = ip_lib.IPWrapper(namespace=self.namespace)
ip_wrapper.netns.execute(cmd, addl_env=self.cmd_addl_env)
else:
cmd = ['kill', '-%s' % (sig), pid]
utils.execute(cmd, run_as_root=True)
# In the case of shutting down, remove the pid file
if sig == '9':
fileutils.delete_if_exists(self.get_pid_file_name())
elif pid:
LOG.debug(
'Process for %(uuid)s pid %(pid)d is stale, ignoring '
'signal %(signal)s', {
'uuid': self.uuid,
'pid': pid,
'signal': sig
})
else:
LOG.debug('No process started for %s', self.uuid)
def _brctl(self, cmd):
cmd = ['brctl'] + cmd
ip_wrapper = ip_lib.IPWrapper(self.namespace)
return ip_wrapper.netns.execute(cmd, run_as_root=True)
