Exemplo n.º 1
0
    def get_port_dhcpv4_options(self, port):
        lsp_dhcp_disabled, lsp_dhcpv4_opts = utils.get_lsp_dhcpv4_opts(port)

        if lsp_dhcp_disabled:
            return

        # If the port has multiple IPv4 addresses, DHCPv4 options are set
        # for the first address in port['fixed_ips']
        subnet_dhcp_options = None
        subnet_id = None
        for fixed_ip in port['fixed_ips']:
            if netaddr.IPAddress(fixed_ip['ip_address']).version == 4:
                subnet_dhcp_options = self._nb_ovn.get_subnet_dhcp_options(
                    fixed_ip['subnet_id'])
                subnet_id = fixed_ip['subnet_id']
                if subnet_dhcp_options:
                    break

        if not subnet_dhcp_options:
            # Ideally this should not happen.
            # May be a sync is required in such cases ?
            return

        if not lsp_dhcpv4_opts:
            return subnet_dhcp_options

        # This port has extra DHCP options defined.
        # So we need to create a new row in DHCP_Options table for this
        # port.
        #
        # TODO(numans) In cases where the below transaction is successful
        # but the Logical_Switch_Port create or update transaction fails
        # we need to delete the DHCP_Options row created else it will be
        # an orphan row.
        #
        # NOTE(lizk) In cases where the below transaction is successful, but
        # the Logical_Switch_Port get deleted before setting port dhcp options
        # to it, we will delete the DHCP_Options row created to make sure
        # no orphan left behind.
        subnet_dhcp_options['options'].update(lsp_dhcpv4_opts)
        subnet_dhcp_options['external_ids'].update({'port_id': port['id']})
        LOG.debug('Creating port dhcp options for port %s in OVN NB DB',
                  port['id'])
        with self._nb_ovn.transaction(check_error=True) as txn:
            txn.add(
                self._nb_ovn.add_dhcp_options(
                    subnet_id,
                    port_id=port['id'],
                    cidr=subnet_dhcp_options['cidr'],
                    options=subnet_dhcp_options['options'],
                    external_ids=subnet_dhcp_options['external_ids']))

        return self._nb_ovn.get_port_dhcp_options(subnet_id, port['id'])
Exemplo n.º 2
0
    def get_port_dhcpv4_options(self, port):
        lsp_dhcp_disabled, lsp_dhcpv4_opts = utils.get_lsp_dhcpv4_opts(port)

        if lsp_dhcp_disabled:
            return

        # If the port has multiple IPv4 addresses, DHCPv4 options are set
        # for the first address in port['fixed_ips']
        subnet_dhcp_options = None
        subnet_id = None
        for fixed_ip in port['fixed_ips']:
            if netaddr.IPAddress(fixed_ip['ip_address']).version == 4:
                subnet_dhcp_options = self._nb_ovn.get_subnet_dhcp_options(
                    fixed_ip['subnet_id'])
                subnet_id = fixed_ip['subnet_id']
                if subnet_dhcp_options:
                    break

        if not subnet_dhcp_options:
            # Ideally this should not happen.
            # May be a sync is required in such cases ?
            return

        if not lsp_dhcpv4_opts:
            return subnet_dhcp_options

        # This port has extra DHCP options defined.
        # So we need to create a new row in DHCP_Options table for this
        # port.
        #
        # TODO(numans) In cases where the below transaction is successful
        # but the Logical_Switch_Port create or update transaction fails
        # we need to delete the DHCP_Options row created else it will be
        # an orphan row.
        #
        # NOTE(lizk) In cases where the below transaction is successful, but
        # the Logical_Switch_Port get deleted before setting port dhcp options
        # to it, we will delete the DHCP_Options row created to make sure
        # no orphan left behind.
        subnet_dhcp_options['options'].update(lsp_dhcpv4_opts)
        subnet_dhcp_options['external_ids'].update(
            {'port_id': port['id']})
        LOG.debug('Creating port dhcp options for port %s in OVN NB DB',
                  port['id'])
        with self._nb_ovn.transaction(check_error=True) as txn:
            txn.add(self._nb_ovn.add_dhcp_options(
                subnet_id, port_id=port['id'],
                cidr=subnet_dhcp_options['cidr'],
                options=subnet_dhcp_options['options'],
                external_ids=subnet_dhcp_options['external_ids']))

        return self._nb_ovn.get_port_dhcp_options(subnet_id, port['id'])
Exemplo n.º 3
0
    def sync_networks_ports_and_dhcp_opts(self, ctx):
        LOG.debug('OVN-NB Sync networks, ports and DHCP options started')
        db_networks = {}
        for net in self.core_plugin.get_networks(ctx):
            db_networks[utils.ovn_name(net['id'])] = net

        db_ports = {}
        for port in self.core_plugin.get_ports(ctx):
            db_ports[port['id']] = port

        ovn_all_dhcp_options = self.ovn_api.get_all_dhcp_options()
        db_network_cache = dict(db_networks)

        ports_need_sync_dhcp_opts = []
        lswitches = self.ovn_api.get_all_logical_switches_with_ports()
        del_lswitchs_list = []
        del_lports_list = []
        for lswitch in lswitches:
            if lswitch['name'] in db_networks:
                for lport in lswitch['ports']:
                    if lport in db_ports:
                        ports_need_sync_dhcp_opts.append(db_ports.pop(lport))
                    else:
                        del_lports_list.append({
                            'port': lport,
                            'lswitch': lswitch['name']
                        })
                del db_networks[lswitch['name']]
            else:
                del_lswitchs_list.append(lswitch)

        for net_id, network in db_networks.items():
            LOG.warning(
                _LW("Network found in Neutron but not in "
                    "OVN DB, network_id=%s"), network['id'])
            if self.mode == SYNC_MODE_REPAIR:
                try:
                    LOG.debug('Creating the network %s in OVN NB DB',
                              network['id'])
                    self._create_network_in_ovn(network)
                except RuntimeError:
                    LOG.warning(
                        _LW("Create network in OVN NB failed for"
                            " network %s"), network['id'])

        self._sync_subnet_dhcp_options(ctx, db_network_cache,
                                       ovn_all_dhcp_options['subnets'])

        for port_id, port in db_ports.items():
            LOG.warning(
                _LW("Port found in Neutron but not in OVN "
                    "DB, port_id=%s"), port['id'])
            if self.mode == SYNC_MODE_REPAIR:
                try:
                    LOG.debug('Creating the port %s in OVN NB DB', port['id'])
                    self._create_port_in_ovn(ctx, port)
                    if port_id in ovn_all_dhcp_options['ports']:
                        _, lsp_opts = utils.get_lsp_dhcpv4_opts(port)
                        if lsp_opts:
                            ovn_all_dhcp_options['ports'].pop(port_id)
                except RuntimeError:
                    LOG.warning(
                        _LW("Create port in OVN NB failed for"
                            " port %s"), port['id'])

        with self.ovn_api.transaction(check_error=True) as txn:
            for lswitch in del_lswitchs_list:
                LOG.warning(
                    _LW("Network found in OVN but not in "
                        "Neutron, network_id=%s"), lswitch['name'])
                if self.mode == SYNC_MODE_REPAIR:
                    LOG.debug('Deleting the network %s from OVN NB DB',
                              lswitch['name'])
                    txn.add(
                        self.ovn_api.delete_lswitch(
                            lswitch_name=lswitch['name']))

            for lport_info in del_lports_list:
                LOG.warning(
                    _LW("Port found in OVN but not in "
                        "Neutron, port_id=%s"), lport_info['port'])
                if self.mode == SYNC_MODE_REPAIR:
                    LOG.debug('Deleting the port %s from OVN NB DB',
                              lport_info['port'])
                    txn.add(
                        self.ovn_api.delete_lswitch_port(
                            lport_name=lport_info['port'],
                            lswitch_name=lport_info['lswitch']))
                    if lport_info['port'] in ovn_all_dhcp_options['ports']:
                        LOG.debug('Deleting port DHCP options for (port %s)',
                                  lport_info['port'])
                        txn.add(
                            self.ovn_api.delete_dhcp_options(
                                ovn_all_dhcp_options['ports'].pop(
                                    lport_info['port'])['uuid']))

        self._sync_port_dhcp_options(ctx, ports_need_sync_dhcp_opts,
                                     ovn_all_dhcp_options['ports'])
        LOG.debug('OVN-NB Sync networks, ports and DHCP options finished')
Exemplo n.º 4
0
    def sync_networks_ports_and_dhcp_opts(self, ctx):
        LOG.debug('OVN-NB Sync networks, ports and DHCP options started')
        db_networks = {}
        for net in self.core_plugin.get_networks(ctx):
            db_networks[utils.ovn_name(net['id'])] = net

        db_ports = {}
        for port in self.core_plugin.get_ports(ctx):
            db_ports[port['id']] = port

        ovn_all_dhcp_options = self.ovn_api.get_all_dhcp_options()
        db_network_cache = dict(db_networks)

        ports_need_sync_dhcp_opts = []
        lswitches = self.ovn_api.get_all_logical_switches_with_ports()
        del_lswitchs_list = []
        del_lports_list = []
        for lswitch in lswitches:
            if lswitch['name'] in db_networks:
                for lport in lswitch['ports']:
                    if lport in db_ports:
                        ports_need_sync_dhcp_opts.append(db_ports.pop(lport))
                    else:
                        del_lports_list.append({'port': lport,
                                                'lswitch': lswitch['name']})
                del db_networks[lswitch['name']]
            else:
                del_lswitchs_list.append(lswitch)

        for net_id, network in db_networks.items():
            LOG.warning(_LW("Network found in Neutron but not in "
                            "OVN DB, network_id=%s"), network['id'])
            if self.mode == SYNC_MODE_REPAIR:
                try:
                    LOG.debug('Creating the network %s in OVN NB DB',
                              network['id'])
                    self._create_network_in_ovn(network)
                except RuntimeError:
                    LOG.warning(_LW("Create network in OVN NB failed for"
                                    " network %s"), network['id'])

        self._sync_subnet_dhcp_options(
            ctx, db_network_cache, ovn_all_dhcp_options['subnets'])

        for port_id, port in db_ports.items():
            LOG.warning(_LW("Port found in Neutron but not in OVN "
                            "DB, port_id=%s"), port['id'])
            if self.mode == SYNC_MODE_REPAIR:
                try:
                    LOG.debug('Creating the port %s in OVN NB DB',
                              port['id'])
                    self._create_port_in_ovn(ctx, port)
                    if port_id in ovn_all_dhcp_options['ports']:
                        _, lsp_opts = utils.get_lsp_dhcpv4_opts(port)
                        if lsp_opts:
                            ovn_all_dhcp_options['ports'].pop(port_id)
                except RuntimeError:
                    LOG.warning(_LW("Create port in OVN NB failed for"
                                    " port %s"), port['id'])

        with self.ovn_api.transaction(check_error=True) as txn:
            for lswitch in del_lswitchs_list:
                LOG.warning(_LW("Network found in OVN but not in "
                                "Neutron, network_id=%s"), lswitch['name'])
                if self.mode == SYNC_MODE_REPAIR:
                    LOG.debug('Deleting the network %s from OVN NB DB',
                              lswitch['name'])
                    txn.add(self.ovn_api.delete_lswitch(
                        lswitch_name=lswitch['name']))

            for lport_info in del_lports_list:
                LOG.warning(_LW("Port found in OVN but not in "
                                "Neutron, port_id=%s"), lport_info['port'])
                if self.mode == SYNC_MODE_REPAIR:
                    LOG.debug('Deleting the port %s from OVN NB DB',
                              lport_info['port'])
                    txn.add(self.ovn_api.delete_lswitch_port(
                        lport_name=lport_info['port'],
                        lswitch_name=lport_info['lswitch']))
                    if lport_info['port'] in ovn_all_dhcp_options['ports']:
                        LOG.debug('Deleting port DHCP options for (port %s)',
                                  lport_info['port'])
                        txn.add(self.ovn_api.delete_dhcp_options(
                                ovn_all_dhcp_options['ports'].pop(
                                    lport_info['port'])['uuid']))

        self._sync_port_dhcp_options(ctx, ports_need_sync_dhcp_opts,
                                     ovn_all_dhcp_options['ports'])
        LOG.debug('OVN-NB Sync networks, ports and DHCP options finished')