Ejemplo n.º 1
0
    def _plug_bridge_with_port(self, instance, vif, port):
        iface_id = self.get_ovs_interfaceid(vif)
        br_name = self.get_br_name(vif['id'])
        v1_name, v2_name = self.get_veth_pair_names(vif['id'])

        if not linux_net.device_exists(br_name):
            utils.execute('brctl', 'addbr', br_name, run_as_root=True)
            utils.execute('brctl', 'setfd', br_name, 0, run_as_root=True)
            utils.execute('brctl', 'stp', br_name, 'off', run_as_root=True)
            utils.execute('tee',
                          ('/sys/class/net/%s/bridge/multicast_snooping' %
                           br_name),
                          process_input='0',
                          run_as_root=True,
                          check_exit_code=[0, 1])

        if not linux_net.device_exists(v2_name):
            linux_net._create_veth_pair(v1_name, v2_name)
            utils.execute('ip', 'link', 'set', br_name, 'up', run_as_root=True)
            utils.execute('brctl', 'addif', br_name, v1_name, run_as_root=True)
            if port == 'ovs':
                linux_net.create_ovs_vif_port(self.get_bridge_name(vif),
                                              v2_name, iface_id,
                                              vif['address'], instance.uuid)
            elif port == 'ivs':
                linux_net.create_ivs_vif_port(v2_name, iface_id,
                                              vif['address'], instance.uuid)
Ejemplo n.º 2
0
    def _plug_bridge_with_port(self, instance, vif, port):
        iface_id = self.get_ovs_interfaceid(vif)
        br_name = self.get_br_name(vif['id'])
        v1_name, v2_name = self.get_veth_pair_names(vif['id'])

        if not linux_net.device_exists(br_name):
            utils.execute('brctl', 'addbr', br_name, run_as_root=True)
            utils.execute('brctl', 'setfd', br_name, 0, run_as_root=True)
            utils.execute('brctl', 'stp', br_name, 'off', run_as_root=True)
            utils.execute(
                'tee',
                ('/sys/class/net/%s/bridge/multicast_snooping' % br_name),
                process_input='0',
                run_as_root=True,
                check_exit_code=[0, 1])

        if not linux_net.device_exists(v2_name):
            linux_net._create_veth_pair(v1_name, v2_name)
            utils.execute('ip', 'link', 'set', br_name, 'up', run_as_root=True)
            utils.execute('brctl', 'addif', br_name, v1_name, run_as_root=True)
            if port == 'ovs':
                linux_net.create_ovs_vif_port(self.get_bridge_name(vif),
                                              v2_name, iface_id,
                                              vif['address'], instance.uuid)
            elif port == 'ivs':
                linux_net.create_ivs_vif_port(v2_name, iface_id,
                                              vif['address'], instance.uuid)
Ejemplo n.º 3
0
    def unplug_ovs_hybrid(self, instance, vif):
        """UnPlug using hybrid strategy

        Unhook port from OVS, unhook port from bridge, delete
        bridge, and delete both veth devices.
        """
        try:
            br_name = self.get_br_name(vif['id'])
            v1_name, v2_name = self.get_veth_pair_names(vif['id'])

            if linux_net.device_exists(br_name):
                utils.execute('brctl',
                              'delif',
                              br_name,
                              v1_name,
                              run_as_root=True)
                utils.execute('ip',
                              'link',
                              'set',
                              br_name,
                              'down',
                              run_as_root=True)
                utils.execute('brctl', 'delbr', br_name, run_as_root=True)

            linux_net.delete_ovs_vif_port(self.get_bridge_name(vif), v2_name)
        except processutils.ProcessExecutionError:
            LOG.exception(_LE("Failed while unplugging vif"),
                          instance=instance)
Ejemplo n.º 4
0
    def unplug_ovs_hybrid(self, instance, vif):
        """UnPlug using hybrid strategy

        Unhook port from OVS, unhook port from bridge, delete
        bridge, and delete both veth devices.
        """
        try:
            br_name = self.get_br_name(vif['id'])
            v1_name, v2_name = self.get_veth_pair_names(vif['id'])

            if linux_net.device_exists(br_name):
                utils.execute('brctl', 'delif', br_name, v1_name,
                              run_as_root=True)
                utils.execute('ip', 'link', 'set', br_name, 'down',
                              run_as_root=True)
                utils.execute('brctl', 'delbr', br_name,
                              run_as_root=True)

            linux_net.delete_ovs_vif_port(self.get_bridge_name(vif),
                                          v2_name)
        except processutils.ProcessExecutionError:
            LOG.exception(_LE("Failed while unplugging vif"),
                          instance=instance)