-# Copyright 2015-2016 Intel Corporation.
+# Copyright 2015-2017 Intel Corporation.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
"""
import logging
+import time
from conf import settings
from vswitches.ovs import IVSwitchOvs
-from src.ovs import VSwitchd, DPCtl
-from tools.module_manager import ModuleManager
+from src.ovs import DPCtl
from tools import tasks
class OvsVanilla(IVSwitchOvs):
see the interface definition.
"""
- _ports = settings.getValue('VSWITCH_VANILLA_PHY_PORT_NAMES')
_current_id = 0
_vport_id = 0
def __init__(self):
super(OvsVanilla, self).__init__()
+ self._ports = list(nic['device'] for nic in settings.getValue('NICS'))
self._logger = logging.getLogger(__name__)
- self._vswitchd_args = ["unix:%s" % VSwitchd.get_db_sock_path()]
+ self._vswitchd_args += ["unix:%s" % self.get_db_sock_path()]
self._vswitchd_args += settings.getValue('VSWITCHD_VANILLA_ARGS')
- self._vswitchd = VSwitchd(vswitchd_args=self._vswitchd_args,
- expected_cmd="db.sock: connected")
- self._bridges = {}
- self._module_manager = ModuleManager()
-
- def start(self):
- """See IVswitch for general description
-
- Activates kernel modules, ovsdb and vswitchd.
- """
- self._module_manager.insert_modules(
- settings.getValue('VSWITCH_VANILLA_KERNEL_MODULES'))
- super(OvsVanilla, self).start()
def stop(self):
"""See IVswitch for general description
# remove all tap interfaces
for i in range(self._vport_id):
tapx = 'tap' + str(i)
- tasks.run_task(['sudo', 'ip', 'tuntap', 'del',
- tapx, 'mode', 'tap'],
- self._logger, 'Deleting ' + tapx, False)
+ tap_cmd_list = ['sudo', 'ip', 'tuntap', 'del', tapx, 'mode', 'tap']
+ # let's assume, that all VMs have NIC QUEUES enabled or disabled
+ # at the same time
+ if int(settings.getValue('GUEST_NIC_QUEUES')[0]):
+ tap_cmd_list += ['multi_queue']
+ tasks.run_task(tap_cmd_list, self._logger, 'Deleting ' + tapx, False)
self._vport_id = 0
- super(OvsVanilla, self).stop()
+ # remove datapath before vswitch shutdown
dpctl = DPCtl()
dpctl.del_dp()
- self._module_manager.remove_modules()
+ super(OvsVanilla, self).stop()
+ # give vswitch time to terminate before modules are removed
+ time.sleep(5)
+ self._module_manager.remove_modules()
def add_phy_port(self, switch_name):
"""
- Method adds port based on configured VSWITCH_VANILLA_PHY_PORT_NAMES
- stored in config file.
+ Method adds port based on detected device names.
See IVswitch for general description
"""
if self._current_id == len(self._ports):
- self._logger.error("Can't add port! There are only " +
- len(self._ports) + " ports " +
- "defined in config!")
- raise
-
+ raise RuntimeError("Can't add phy port! There are only {} ports defined "
+ "by WHITELIST_NICS parameter!".format(len(self._ports)))
if not self._ports[self._current_id]:
- self._logger.error("VSWITCH_VANILLA_PHY_PORT_NAMES not set")
- raise ValueError("Invalid VSWITCH_VANILLA_PHY_PORT_NAMES")
+ self._logger.error("Can't detect device name for NIC %s", self._current_id)
+ raise ValueError("Invalid device name for %s" % self._current_id)
bridge = self._bridges[switch_name]
port_name = self._ports[self._current_id]
params = []
# For PVP only
- tasks.run_task(['sudo', 'ifconfig', port_name, '0'],
+ tasks.run_task(['sudo', 'ip', 'addr', 'flush', 'dev', port_name],
self._logger, 'Remove IP', False)
+ tasks.run_task(['sudo', 'ip', 'link', 'set', 'dev', port_name, 'up'],
+ self._logger, 'Bring up ' + port_name, False)
of_port = bridge.add_port(port_name, params)
self._current_id += 1
# Create tap devices for the VM
tap_name = 'tap' + str(self._vport_id)
self._vport_id += 1
-
- tasks.run_task(['sudo', 'ip', 'tuntap', 'del',
- tap_name, 'mode', 'tap'],
- self._logger, 'Creating tap device...', False)
-
- tasks.run_task(['sudo', 'ip', 'tuntap', 'add',
- tap_name, 'mode', 'tap'],
- self._logger, 'Creating tap device...', False)
-
- tasks.run_task(['sudo', 'ifconfig', tap_name, '0'],
+ tap_cmd_list = ['sudo', 'ip', 'tuntap', 'del', tap_name, 'mode', 'tap']
+ # let's assume, that all VMs have NIC QUEUES enabled or disabled
+ # at the same time
+ if int(settings.getValue('GUEST_NIC_QUEUES')[0]):
+ tap_cmd_list += ['multi_queue']
+ tasks.run_task(tap_cmd_list, self._logger,
+ 'Creating tap device...', False)
+
+ tap_cmd_list = ['sudo', 'ip', 'tuntap', 'add', tap_name, 'mode', 'tap']
+ # let's assume, that all VMs have NIC QUEUES enabled or disabled
+ # at the same time
+ if int(settings.getValue('GUEST_NIC_QUEUES')[0]):
+ tap_cmd_list += ['multi_queue']
+ tasks.run_task(tap_cmd_list, self._logger,
+ 'Creating tap device...', False)
+ if settings.getValue('VSWITCH_JUMBO_FRAMES_ENABLED'):
+ tasks.run_task(['ifconfig', tap_name, 'mtu',
+ str(settings.getValue('VSWITCH_JUMBO_FRAMES_SIZE'))],
+ self._logger, 'Setting mtu size', False)
+
+ tasks.run_task(['sudo', 'ip', 'addr', 'flush', 'dev', tap_name],
+ self._logger, 'Remove IP', False)
+ tasks.run_task(['sudo', 'ip', 'link', 'set', 'dev', tap_name, 'up'],
self._logger, 'Bring up ' + tap_name, False)
bridge = self._bridges[switch_name]
of_port = bridge.add_port(tap_name, [])
return (tap_name, of_port)
+ def add_connection(self, switch_name, port1, port2, bidir=False):
+ """See IVswitch for general description
+ """
+ raise NotImplementedError()
+
+ def del_connection(self, switch_name, port1, port2, bidir=False):
+ """See IVswitch for general description
+ """
+ raise NotImplementedError()
+ def dump_connections(self, switch_name):
+ """See IVswitch for general description
+ """
+ raise NotImplementedError()