def add_router_interface(self, vlan_name, vlan_id, subnet_id, gateway_ip,
                             router_id):
        """Create VLAN SVI on the Nexus switch."""
        # Find a switch to create the SVI on
        switch_ip = self._find_switch_for_svi()
        if not switch_ip:
            raise cisco_exc.NoNexusSviSwitch()

        # Check if this vlan exists on the switch already
        try:
            nxos_db.get_nexusvlan_binding(vlan_id, switch_ip)
        except cisco_exc.NexusPortBindingNotFound:
            # Create vlan and trunk vlan on the port
            self._client.create_and_trunk_vlan(switch_ip,
                                               vlan_id,
                                               vlan_name,
                                               nexus_port=None)
        # Check if a router interface has already been created
        try:
            nxos_db.get_nexusvm_binding(vlan_id, router_id)
            raise cisco_exc.SubnetInterfacePresent(subnet_id=subnet_id,
                                                   router_id=router_id)
        except cisco_exc.NexusPortBindingNotFound:
            self._client.create_vlan_svi(switch_ip, vlan_id, gateway_ip)
            nxos_db.add_nexusport_binding('router', str(vlan_id), switch_ip,
                                          router_id)

            return True
Example #2
0
    def add_router_interface(self, vlan_name, vlan_id, subnet_id,
                             gateway_ip, router_id):
        """Create VLAN SVI on the Nexus switch."""
        # Find a switch to create the SVI on
        switch_ip = self._find_switch_for_svi()
        if not switch_ip:
            raise cisco_exc.NoNexusSviSwitch()

        # Check if this vlan exists on the switch already
        try:
            nxos_db.get_nexusvlan_binding(vlan_id, switch_ip)
        except cisco_exc.NexusPortBindingNotFound:
            # Create vlan and trunk vlan on the port
            self._client.create_and_trunk_vlan(
                switch_ip, vlan_id, vlan_name, etype=None, nexus_port=None)
        # Check if a router interface has already been created
        try:
            nxos_db.get_nexusvm_bindings(vlan_id, router_id)
            raise cisco_exc.SubnetInterfacePresent(subnet_id=subnet_id,
                                                   router_id=router_id)
        except cisco_exc.NexusPortBindingNotFound:
            self._client.create_vlan_svi(switch_ip, vlan_id, gateway_ip)
            nxos_db.add_nexusport_binding('router', str(vlan_id),
                                          switch_ip, router_id)

            return True
Example #3
0
    def delete_port(self, device_id, vlan_id):
        """Delete port.

        Delete port bindings from the database and scan whether the network
        is still required on the interfaces trunked.
        """
        LOG.debug(_("NexusPlugin:delete_port() called"))
        # Delete DB row(s) for this port
        try:
            rows = nxos_db.get_nexusvm_bindings(vlan_id, device_id)
        except cisco_exc.NexusPortBindingNotFound:
            return

        auto_delete = True
        auto_untrunk = True
        if cdb.is_provider_vlan(vlan_id):
            auto_delete = conf.CISCO.provider_vlan_auto_create
            auto_untrunk = conf.CISCO.provider_vlan_auto_trunk
            LOG.debug(_("delete_network(): provider vlan %s"), vlan_id)

        instance_id = False
        for row in rows:
            instance_id = row["instance_id"]
            switch_ip = row.switch_ip
            etype, nexus_port = "", ""
            if row["port_id"] == "router":
                etype, nexus_port = "vlan", row["port_id"]
                auto_untrunk = False
            else:
                etype, nexus_port = row["port_id"].split(":")

            nxos_db.remove_nexusport_binding(row.port_id, row.vlan_id, row.switch_ip, row.instance_id)
            # Check whether there are any remaining instances using this
            # vlan on this Nexus port.
            try:
                nxos_db.get_port_vlan_switch_binding(row.port_id, row.vlan_id, row.switch_ip)
            except cisco_exc.NexusPortBindingNotFound:
                try:
                    if nexus_port and auto_untrunk:
                        # Untrunk the vlan from this Nexus interface
                        self._client.disable_vlan_on_trunk_int(switch_ip, row.vlan_id, etype, nexus_port)

                    # Check whether there are any remaining instances
                    # using this vlan on the Nexus switch.
                    if auto_delete:
                        try:
                            nxos_db.get_nexusvlan_binding(row.vlan_id, row.switch_ip)
                        except cisco_exc.NexusPortBindingNotFound:
                            # Delete this vlan from this switch
                            self._client.delete_vlan(switch_ip, row.vlan_id)
                except Exception:
                    # The delete vlan operation on the Nexus failed,
                    # so this delete_port request has failed. For
                    # consistency, roll back the Nexus database to what
                    # it was before this request.
                    with excutils.save_and_reraise_exception():
                        nxos_db.add_nexusport_binding(row.port_id, row.vlan_id, row.switch_ip, row.instance_id)

        return instance_id
    def delete_port(self, device_id, vlan_id):
        """Delete port.

        Delete port bindings from the database and scan whether the network
        is still required on the interfaces trunked.
        """
        LOG.debug(_("NexusPlugin:delete_port() called"))
        # Delete DB row(s) for this port
        try:
            rows = nxos_db.get_nexusvm_bindings(vlan_id, device_id)
        except cisco_exc.NexusPortBindingNotFound:
            return

        auto_delete = True
        auto_untrunk = True
        if cdb.is_provider_vlan(vlan_id):
            auto_delete = conf.CISCO.provider_vlan_auto_create
            auto_untrunk = conf.CISCO.provider_vlan_auto_trunk
            LOG.debug("delete_network(): provider vlan %s" % vlan_id)

        instance_id = False
        for row in rows:
            instance_id = row['instance_id']
            switch_ip = row.switch_ip
            etype, nexus_port = '', ''
            if row['port_id'] == 'router':
                etype, nexus_port = 'vlan', row['port_id']
            else:
                etype, nexus_port = row['port_id'].split(':')

            nxos_db.remove_nexusport_binding(row.port_id, row.vlan_id,
                                             row.switch_ip,
                                             row.instance_id)
            # Check for any other bindings with the same vlan_id and switch_ip
            try:
                nxos_db.get_nexusvlan_binding(row.vlan_id, row.switch_ip)
            except cisco_exc.NexusPortBindingNotFound:
                try:
                    # Delete this vlan from this switch
                    if nexus_port and auto_untrunk:
                        self._client.disable_vlan_on_trunk_int(
                            switch_ip, row.vlan_id, etype, nexus_port)
                    if auto_delete:
                        self._client.delete_vlan(switch_ip, row.vlan_id)
                except Exception:
                    # The delete vlan operation on the Nexus failed,
                    # so this delete_port request has failed. For
                    # consistency, roll back the Nexus database to what
                    # it was before this request.
                    with excutils.save_and_reraise_exception():
                        nxos_db.add_nexusport_binding(row.port_id,
                                                      row.vlan_id,
                                                      row.switch_ip,
                                                      row.instance_id)

        return instance_id
Example #5
0
    def delete_port(self, device_id, vlan_id):
        """Delete port.

        Delete port bindings from the database and scan whether the network
        is still required on the interfaces trunked.
        """
        LOG.debug(_("NexusPlugin:delete_port() called"))
        # Delete DB row(s) for this port
        try:
            rows = nxos_db.get_nexusvm_bindings(vlan_id, device_id)
        except cisco_exc.NexusPortBindingNotFound:
            return

        auto_delete = True
        auto_untrunk = True
        if cdb.is_provider_vlan(vlan_id):
            auto_delete = conf.CISCO.provider_vlan_auto_create
            auto_untrunk = conf.CISCO.provider_vlan_auto_trunk
            LOG.debug(_("delete_network(): provider vlan %s"), vlan_id)

        instance_id = False
        for row in rows:
            instance_id = row['instance_id']
            switch_ip = row.switch_ip
            etype, nexus_port = '', ''
            if row['port_id'] == 'router':
                etype, nexus_port = 'vlan', row['port_id']
                auto_untrunk = False
            else:
                etype, nexus_port = row['port_id'].split(':')

            nxos_db.remove_nexusport_binding(row.port_id, row.vlan_id,
                                             row.switch_ip, row.instance_id)
            # Check for any other bindings with the same vlan_id and switch_ip
            try:
                nxos_db.get_nexusvlan_binding(row.vlan_id, row.switch_ip)
            except cisco_exc.NexusPortBindingNotFound:
                try:
                    # Delete this vlan from this switch
                    if nexus_port and auto_untrunk:
                        self._client.disable_vlan_on_trunk_int(
                            switch_ip, row.vlan_id, etype, nexus_port)
                    if auto_delete:
                        self._client.delete_vlan(switch_ip, row.vlan_id)
                except Exception:
                    # The delete vlan operation on the Nexus failed,
                    # so this delete_port request has failed. For
                    # consistency, roll back the Nexus database to what
                    # it was before this request.
                    with excutils.save_and_reraise_exception():
                        nxos_db.add_nexusport_binding(row.port_id, row.vlan_id,
                                                      row.switch_ip,
                                                      row.instance_id)

        return instance_id
    def delete_port(self, device_id, vlan_id):
        """Delete port.

        Delete port bindings from the database and scan whether the network
        is still required on the interfaces trunked.
        """
        LOG.debug(_("NexusPlugin:delete_port() called"))
        # Delete DB row for this port
        try:
            row = nxos_db.get_nexusvm_binding(vlan_id, device_id)
        except cisco_exc.NexusPortBindingNotFound:
            return

        nxos_db.remove_nexusport_binding(row['port_id'], row['vlan_id'],
                                         row['switch_ip'],
                                         row['instance_id'])
        # Check for any other bindings with the same vlan_id and switch_ip
        try:
            nxos_db.get_nexusvlan_binding(row['vlan_id'], row['switch_ip'])
        except cisco_exc.NexusPortBindingNotFound:
            try:
                # Delete this vlan from this switch
                _nexus_ip = row['switch_ip']
                _nexus_ports = ()
                if row['port_id'] != 'router':
                    _nexus_ports = (row['port_id'],)
                _nexus_ssh_port = (self._nexus_switches[_nexus_ip,
                                                        'ssh_port'])
                _nexus_creds = self.get_credential(_nexus_ip)
                _nexus_username = _nexus_creds['username']
                _nexus_password = _nexus_creds['password']
                self._client.delete_vlan(
                    str(row['vlan_id']), _nexus_ip,
                    _nexus_username, _nexus_password,
                    _nexus_ports, _nexus_ssh_port)
            except Exception:
                # The delete vlan operation on the Nexus failed,
                # so this delete_port request has failed. For
                # consistency, roll back the Nexus database to what
                # it was before this request.
                with excutils.save_and_reraise_exception():
                    nxos_db.add_nexusport_binding(row['port_id'],
                                                  row['vlan_id'],
                                                  row['switch_ip'],
                                                  row['instance_id'])

        return row['instance_id']
Example #7
0
 def test_nexusportbinding_add_remove(self):
     npb11 = self._npb_test_obj(10, 100)
     npb = nxdb.add_nexusport_binding(npb11.port, npb11.vlan, npb11.switch, npb11.instance)
     self._assert_equal(npb, npb11)
     npb = nxdb.remove_nexusport_binding(npb11.port, npb11.vlan, npb11.switch, npb11.instance)
     self.assertEqual(len(npb), 1)
     self._assert_equal(npb[0], npb11)
     with testtools.ExpectedException(c_exc.NexusPortBindingNotFound):
         nxdb.remove_nexusport_binding(npb11.port, npb11.vlan, npb11.switch, npb11.instance)
 def test_nexusportbinding_add_remove(self):
     npb11 = self._npb_test_obj(10, 100)
     npb = nxdb.add_nexusport_binding(npb11.port, npb11.vlan, npb11.switch,
                                      npb11.instance)
     self._assert_equal(npb, npb11)
     npb = nxdb.remove_nexusport_binding(npb11.port, npb11.vlan,
                                         npb11.switch, npb11.instance)
     self.assertEqual(len(npb), 1)
     self._assert_equal(npb[0], npb11)
     with testtools.ExpectedException(c_exc.NexusPortBindingNotFound):
         nxdb.remove_nexusport_binding(npb11.port, npb11.vlan, npb11.switch,
                                       npb11.instance)
    def add_router_interface(self, vlan_name, vlan_id, subnet_id,
                             gateway_ip, router_id):
        """Create VLAN SVI on the Nexus switch."""
        # Find a switch to create the SVI on
        switch_ip = self._find_switch_for_svi()
        if not switch_ip:
            raise cisco_exc.NoNexusSwitch()

        _nexus_ip = switch_ip
        _nexus_ssh_port = self._nexus_switches[switch_ip, 'ssh_port']
        _nexus_creds = self.get_credential(_nexus_ip)
        _nexus_username = _nexus_creds['username']
        _nexus_password = _nexus_creds['password']

        # Check if this vlan exists on the switch already
        try:
            nxos_db.get_nexusvlan_binding(vlan_id, switch_ip)
        except cisco_exc.NexusPortBindingNotFound:
            # Create vlan and trunk vlan on the port
            self._client.create_vlan(
                vlan_name, str(vlan_id), _nexus_ip,
                _nexus_username, _nexus_password,
                [], _nexus_ssh_port, vlan_id)

        # Check if a router interface has already been created
        try:
            nxos_db.get_nexusvm_binding(vlan_id, router_id)
            raise cisco_exc.SubnetInterfacePresent(subnet_id=subnet_id,
                                                   router_id=router_id)
        except cisco_exc.NexusPortBindingNotFound:
            self._client.create_vlan_svi(vlan_id, _nexus_ip, _nexus_username,
                                         _nexus_password, _nexus_ssh_port,
                                         gateway_ip)
            nxos_db.add_nexusport_binding('router', str(vlan_id),
                                          switch_ip, router_id)

            return True
Example #10
0
 def _add_to_db(self, npbs):
     for npb in npbs:
         nxdb.add_nexusport_binding(npb.port, npb.vlan, npb.switch, npb.instance)
Example #11
0
    def create_network(self, network, attachment):
        """Create or update a network when an attachment is changed.

        This method is not invoked at the usual plugin create_network() time.
        Instead, it is invoked on create/update port.

        :param network: Network on which the port operation is happening
        :param attachment: Details about the owner of the port

        Create a VLAN in the appropriate switch/port, and configure the
        appropriate interfaces for this VLAN.
        """
        LOG.debug(_("NexusPlugin:create_network() called"))
        # Grab the switch IPs and ports for this host
        host_connections = []
        host = attachment['host_name']
        for switch_type, switch_ip, attr in self._nexus_switches:
            if str(attr) == str(host):
                port = self._nexus_switches[switch_type, switch_ip, attr]
                # Get ether type for port, assume an ethernet type
                # if none specified.
                if ':' in port:
                    etype, port_id = port.split(':')
                else:
                    etype, port_id = 'ethernet', port
                host_connections.append((switch_ip, etype, port_id))
        if not host_connections:
            raise cisco_exc.NexusComputeHostNotConfigured(host=host)

        vlan_id = network[const.NET_VLAN_ID]
        vlan_name = network[const.NET_VLAN_NAME]
        auto_create = True
        auto_trunk = True
        if cdb.is_provider_vlan(vlan_id):
            vlan_name = ''.join([conf.CISCO.provider_vlan_name_prefix,
                                 str(vlan_id)])
            auto_create = conf.CISCO.provider_vlan_auto_create
            auto_trunk = conf.CISCO.provider_vlan_auto_trunk

        # Check if this network is already in the DB
        for switch_ip, etype, port_id in host_connections:
            vlan_created = False
            vlan_trunked = False
            eport_id = '%s:%s' % (etype, port_id)
            # Check for switch vlan bindings
            try:
                # This vlan has already been created on this switch
                # via another operation, like SVI bindings.
                nxos_db.get_nexusvlan_binding(vlan_id, switch_ip)
                vlan_created = True
                auto_create = False
            except cisco_exc.NexusPortBindingNotFound:
                # No changes, proceed as normal
                pass

            try:
                nxos_db.get_port_vlan_switch_binding(eport_id, vlan_id,
                                                     switch_ip)
            except cisco_exc.NexusPortBindingNotFound:
                if auto_create and auto_trunk:
                    # Create vlan and trunk vlan on the port
                    LOG.debug(_("Nexus: create & trunk vlan %s"), vlan_name)
                    self._client.create_and_trunk_vlan(
                        switch_ip, vlan_id, vlan_name, etype, port_id)
                    vlan_created = True
                    vlan_trunked = True
                elif auto_create:
                    # Create vlan but do not trunk it on the port
                    LOG.debug(_("Nexus: create vlan %s"), vlan_name)
                    self._client.create_vlan(switch_ip, vlan_id, vlan_name)
                    vlan_created = True
                elif auto_trunk:
                    # Only trunk vlan on the port
                    LOG.debug(_("Nexus: trunk vlan %s"), vlan_name)
                    self._client.enable_vlan_on_trunk_int(
                        switch_ip, vlan_id, etype, port_id)
                    vlan_trunked = True

            try:
                instance = attachment[const.INSTANCE_ID]
                nxos_db.add_nexusport_binding(eport_id, str(vlan_id),
                                              switch_ip, instance)
            except Exception:
                with excutils.save_and_reraise_exception():
                    # Add binding failed, roll back any vlan creation/enabling
                    if vlan_created and vlan_trunked:
                        LOG.debug(_("Nexus: delete & untrunk vlan %s"),
                                  vlan_name)
                        self._client.delete_and_untrunk_vlan(switch_ip,
                                                             vlan_id,
                                                             etype, port_id)
                    elif vlan_created:
                        LOG.debug(_("Nexus: delete vlan %s"), vlan_name)
                        self._client.delete_vlan(switch_ip, vlan_id)
                    elif vlan_trunked:
                        LOG.debug(_("Nexus: untrunk vlan %s"), vlan_name)
                        self._client.disable_vlan_on_trunk_int(switch_ip,
                                                               vlan_id,
                                                               etype,
                                                               port_id)

        net_id = network[const.NET_ID]
        new_net_dict = {const.NET_ID: net_id,
                        const.NET_NAME: network[const.NET_NAME],
                        const.NET_PORTS: {},
                        const.NET_VLAN_NAME: vlan_name,
                        const.NET_VLAN_ID: vlan_id}
        self._networks[net_id] = new_net_dict
        return new_net_dict
 def _add_to_db(self, npbs):
     for npb in npbs:
         nxdb.add_nexusport_binding(npb.port, npb.vlan, npb.switch,
                                    npb.instance)
    def create_network(self, network, attachment):
        """Create or update a network when an attachment is changed.

        This method is not invoked at the usual plugin create_network() time.
        Instead, it is invoked on create/update port.

        :param network: Network on which the port operation is happening
        :param attachment: Details about the owner of the port

        Create a VLAN in the appropriate switch/port, and configure the
        appropriate interfaces for this VLAN.
        """
        LOG.debug(_("NexusPlugin:create_network() called"))
        # Grab the switch IP and port for this host
        host = str(attachment[const.HOST_NAME])
        switch_ip, port_id = self._client.get_switch_and_port_id(host)
        if not switch_ip and not port_id:
            raise cisco_exc.NexusComputeHostNotConfigured(host=host)

        vlan_id = network[const.NET_VLAN_ID]
        vlan_name = network[const.NET_VLAN_NAME]
        auto_create = True
        auto_trunk = True
        if cdb.is_provider_vlan(vlan_id):
            vlan_name = ''.join(
                [conf.CISCO.provider_vlan_name_prefix,
                 str(vlan_id)])
            auto_create = conf.CISCO.provider_vlan_auto_create
            auto_trunk = conf.CISCO.provider_vlan_auto_trunk

        # Check if this network is already in the DB
        vlan_created = False
        vlan_trunked = False

        try:
            nxos_db.get_port_vlan_switch_binding(port_id, vlan_id, switch_ip)
        except cisco_exc.NexusPortBindingNotFound:
            # Check for vlan/switch binding
            try:
                nxos_db.get_nexusvlan_binding(vlan_id, switch_ip)
            except cisco_exc.NexusPortBindingNotFound:
                if auto_create and auto_trunk:
                    # Create vlan and trunk vlan on the port
                    LOG.debug("Nexus: create & trunk vlan %s" % vlan_name)
                    self._client.create_and_trunk_vlan(switch_ip, vlan_id,
                                                       vlan_name, port_id)
                    vlan_created = True
                    vlan_trunked = True
                elif auto_create:
                    # Create vlan but do not trunk it on the port
                    LOG.debug("Nexus: create vlan %s" % vlan_name)
                    self._client.create_vlan(switch_ip, vlan_id, vlan_name)
                    vlan_created = True
            else:
                if auto_trunk:
                    # Only trunk vlan on the port
                    LOG.debug("Nexus: trunk vlan %s" % vlan_name)
                    self._client.enable_vlan_on_trunk_int(
                        switch_ip, vlan_id, port_id)
                    vlan_trunked = True

        try:
            instance = attachment[const.INSTANCE_ID]
            nxos_db.add_nexusport_binding(port_id, str(vlan_id), switch_ip,
                                          instance)
        except Exception:
            with excutils.save_and_reraise_exception():
                # Add binding failed, roll back any vlan creation/enabling
                if vlan_created and vlan_trunked:
                    LOG.debug("Nexus: delete & untrunk vlan %s" % vlan_name)
                    self._client.delete_and_untrunk_vlan(
                        switch_ip, vlan_id, port_id)
                elif vlan_created:
                    LOG.debug("Nexus: delete vlan %s" % vlan_name)
                    self._client.delete_vlan(switch_ip, vlan_id)
                elif vlan_trunked:
                    LOG.debug("Nexus: untrunk vlan %s" % vlan_name)
                    self._client.disable_vlan_on_trunk_int(
                        switch_ip, vlan_id, port_id)

        net_id = network[const.NET_ID]
        new_net_dict = {
            const.NET_ID: net_id,
            const.NET_NAME: network[const.NET_NAME],
            const.NET_PORTS: {},
            const.NET_VLAN_NAME: vlan_name,
            const.NET_VLAN_ID: vlan_id
        }
        self._networks[net_id] = new_net_dict
        return new_net_dict
    def create_network(self, network, attachment):
        """Create or update a network when an attachment is changed.

        This method is not invoked at the usual plugin create_network() time.
        Instead, it is invoked on create/update port.

        :param network: Network on which the port operation is happening
        :param attachment: Details about the owner of the port

        Create a VLAN in the appropriate switch/port, and configure the
        appropriate interfaces for this VLAN.
        """
        LOG.debug(_("NexusPlugin:create_network() called"))
        # Grab the switch IPs and ports for this host
        host_connections = []
        host = attachment['host_name']
        for switch_type, switch_ip, attr in self._nexus_switches:
            if str(attr) == str(host):
                port = self._nexus_switches[switch_type, switch_ip, attr]
                # Get ether type for port, assume an ethernet type
                # if none specified.
                if ':' in port:
                    etype, port_id = port.split(':')
                else:
                    etype, port_id = 'ethernet', port
                host_connections.append((switch_ip, etype, port_id))
        if not host_connections:
            raise cisco_exc.NexusComputeHostNotConfigured(host=host)

        vlan_id = network[const.NET_VLAN_ID]
        vlan_name = network[const.NET_VLAN_NAME]
        auto_create = True
        auto_trunk = True
        if cdb.is_provider_vlan(vlan_id):
            vlan_name = ''.join([conf.CISCO.provider_vlan_name_prefix,
                                 str(vlan_id)])
            auto_create = conf.CISCO.provider_vlan_auto_create
            auto_trunk = conf.CISCO.provider_vlan_auto_trunk

        # Check if this network is already in the DB
        for switch_ip, etype, port_id in host_connections:
            vlan_created = False
            vlan_trunked = False
            eport_id = '%s:%s' % (etype, port_id)
            # Check for switch vlan bindings
            try:
                # This vlan has already been created on this switch
                # via another operation, like SVI bindings.
                nxos_db.get_nexusvlan_binding(vlan_id, switch_ip)
                vlan_created = True
                auto_create = False
            except cisco_exc.NexusPortBindingNotFound:
                # No changes, proceed as normal
                pass

            try:
                nxos_db.get_port_vlan_switch_binding(eport_id, vlan_id,
                                                     switch_ip)
            except cisco_exc.NexusPortBindingNotFound:
                if auto_create and auto_trunk:
                    # Create vlan and trunk vlan on the port
                    LOG.debug(_("Nexus: create & trunk vlan %s"), vlan_name)
                    self._client.create_and_trunk_vlan(
                        switch_ip, vlan_id, vlan_name, etype, port_id)
                    vlan_created = True
                    vlan_trunked = True
                elif auto_create:
                    # Create vlan but do not trunk it on the port
                    LOG.debug(_("Nexus: create vlan %s"), vlan_name)
                    self._client.create_vlan(switch_ip, vlan_id, vlan_name)
                    vlan_created = True
                elif auto_trunk:
                    # Only trunk vlan on the port
                    LOG.debug(_("Nexus: trunk vlan %s"), vlan_name)
                    self._client.enable_vlan_on_trunk_int(
                        switch_ip, vlan_id, etype, port_id)
                    vlan_trunked = True

            try:
                instance = attachment[const.INSTANCE_ID]
                nxos_db.add_nexusport_binding(eport_id, str(vlan_id),
                                              switch_ip, instance)
            except Exception:
                with excutils.save_and_reraise_exception():
                    # Add binding failed, roll back any vlan creation/enabling
                    if vlan_created and vlan_trunked:
                        LOG.debug(_("Nexus: delete & untrunk vlan %s"),
                                  vlan_name)
                        self._client.delete_and_untrunk_vlan(switch_ip,
                                                             vlan_id,
                                                             etype, port_id)
                    elif vlan_created:
                        LOG.debug(_("Nexus: delete vlan %s"), vlan_name)
                        self._client.delete_vlan(switch_ip, vlan_id)
                    elif vlan_trunked:
                        LOG.debug(_("Nexus: untrunk vlan %s"), vlan_name)
                        self._client.disable_vlan_on_trunk_int(switch_ip,
                                                               vlan_id,
                                                               etype,
                                                               port_id)

        net_id = network[const.NET_ID]
        new_net_dict = {const.NET_ID: net_id,
                        const.NET_NAME: network[const.NET_NAME],
                        const.NET_PORTS: {},
                        const.NET_VLAN_NAME: vlan_name,
                        const.NET_VLAN_ID: vlan_id}
        self._networks[net_id] = new_net_dict
        return new_net_dict
    def create_network(self, tenant_id, net_name, net_id, vlan_name, vlan_id,
                       host, instance):
        """Create network.

        Create a VLAN in the appropriate switch/port, and configure the
        appropriate interfaces for this VLAN.
        """
        LOG.debug(_("NexusPlugin:create_network() called"))
        # Grab the switch IP and port for this host
        for switch_ip, attr in self._nexus_switches:
            if str(attr) == str(host):
                port_id = self._nexus_switches[switch_ip, attr]
                break
        else:
            raise cisco_exc.NexusComputeHostNotConfigured(host=host)

        # Check if this network is already in the DB
        vlan_created = False
        vlan_enabled = False

        try:
            nxos_db.get_port_vlan_switch_binding(port_id, vlan_id, switch_ip)
        except cisco_exc.NexusPortBindingNotFound:
            _nexus_ip = switch_ip
            _nexus_ports = (port_id,)
            _nexus_ssh_port = \
                self._nexus_switches[switch_ip, 'ssh_port']
            _nexus_creds = self.get_credential(_nexus_ip)
            _nexus_username = _nexus_creds['username']
            _nexus_password = _nexus_creds['password']
            # Check for vlan/switch binding
            try:
                nxos_db.get_nexusvlan_binding(vlan_id, switch_ip)
            except cisco_exc.NexusPortBindingNotFound:
                # Create vlan and trunk vlan on the port
                self._client.create_vlan(
                    vlan_name, str(vlan_id), _nexus_ip,
                    _nexus_username, _nexus_password,
                    _nexus_ports, _nexus_ssh_port, vlan_id)
                vlan_created = True
            else:
                # Only trunk vlan on the port
                man = self._client.nxos_connect(_nexus_ip,
                                                int(_nexus_ssh_port),
                                                _nexus_username,
                                                _nexus_password)
                self._client.enable_vlan_on_trunk_int(man,
                                                      _nexus_ip,
                                                      port_id,
                                                      vlan_id)
                vlan_enabled = True

        try:
            nxos_db.add_nexusport_binding(port_id, str(vlan_id),
                                          switch_ip, instance)
        except Exception:
            with excutils.save_and_reraise_exception():
                # Add binding failed, roll back any vlan creation/enabling
                if vlan_created:
                    self._client.delete_vlan(
                        str(vlan_id), _nexus_ip,
                        _nexus_username, _nexus_password,
                        _nexus_ports, _nexus_ssh_port)
                if vlan_enabled:
                    self._client.disable_vlan_on_trunk_int(man,
                                                           port_id,
                                                           vlan_id)

        new_net_dict = {const.NET_ID: net_id,
                        const.NET_NAME: net_name,
                        const.NET_PORTS: {},
                        const.NET_VLAN_NAME: vlan_name,
                        const.NET_VLAN_ID: vlan_id}
        self._networks[net_id] = new_net_dict
        return new_net_dict
    def create_network(self, network, attachment):
        """Create or update a network when an attachment is changed.

        This method is not invoked at the usual plugin create_network() time.
        Instead, it is invoked on create/update port.

        :param network: Network on which the port operation is happening
        :param attachment: Details about the owner of the port

        Create a VLAN in the appropriate switch/port, and configure the
        appropriate interfaces for this VLAN.
        """
        LOG.debug(_("NexusPlugin:create_network() called"))
        # Grab the switch IP and port for this host
        host = str(attachment[const.HOST_NAME])
        switch_ip, port_id = self._client.get_switch_and_port_id(host)
        if not switch_ip and not port_id:
            raise cisco_exc.NexusComputeHostNotConfigured(host=host)

        vlan_id = network[const.NET_VLAN_ID]
        vlan_name = network[const.NET_VLAN_NAME]
        auto_create = True
        auto_trunk = True
        if cdb.is_provider_vlan(vlan_id):
            vlan_name = ''.join([conf.CISCO.provider_vlan_name_prefix,
                                 str(vlan_id)])
            auto_create = conf.CISCO.provider_vlan_auto_create
            auto_trunk = conf.CISCO.provider_vlan_auto_trunk

        # Check if this network is already in the DB
        vlan_created = False
        vlan_trunked = False

        try:
            nxos_db.get_port_vlan_switch_binding(port_id, vlan_id, switch_ip)
        except cisco_exc.NexusPortBindingNotFound:
            # Check for vlan/switch binding
            try:
                nxos_db.get_nexusvlan_binding(vlan_id, switch_ip)
            except cisco_exc.NexusPortBindingNotFound:
                if auto_create and auto_trunk:
                    # Create vlan and trunk vlan on the port
                    LOG.debug("Nexus: create & trunk vlan %s" % vlan_name)
                    self._client.create_and_trunk_vlan(
                        switch_ip, vlan_id, vlan_name, port_id)
                    vlan_created = True
                    vlan_trunked = True
                elif auto_create:
                    # Create vlan but do not trunk it on the port
                    LOG.debug("Nexus: create vlan %s" % vlan_name)
                    self._client.create_vlan(switch_ip, vlan_id, vlan_name)
                    vlan_created = True
            else:
                if auto_trunk:
                    # Only trunk vlan on the port
                    LOG.debug("Nexus: trunk vlan %s" % vlan_name)
                    self._client.enable_vlan_on_trunk_int(
                        switch_ip, vlan_id, port_id)
                    vlan_trunked = True

        try:
            instance = attachment[const.INSTANCE_ID]
            nxos_db.add_nexusport_binding(port_id, str(vlan_id),
                                          switch_ip, instance)
        except Exception:
            with excutils.save_and_reraise_exception():
                # Add binding failed, roll back any vlan creation/enabling
                if vlan_created and vlan_trunked:
                    LOG.debug("Nexus: delete & untrunk vlan %s" % vlan_name)
                    self._client.delete_and_untrunk_vlan(switch_ip, vlan_id,
                                                         port_id)
                elif vlan_created:
                    LOG.debug("Nexus: delete vlan %s" % vlan_name)
                    self._client.delete_vlan(switch_ip, vlan_id)
                elif vlan_trunked:
                    LOG.debug("Nexus: untrunk vlan %s" % vlan_name)
                    self._client.disable_vlan_on_trunk_int(switch_ip, vlan_id,
                                                           port_id)

        net_id = network[const.NET_ID]
        new_net_dict = {const.NET_ID: net_id,
                        const.NET_NAME: network[const.NET_NAME],
                        const.NET_PORTS: {},
                        const.NET_VLAN_NAME: vlan_name,
                        const.NET_VLAN_ID: vlan_id}
        self._networks[net_id] = new_net_dict
        return new_net_dict