Exemplo n.º 1
0
 def set_route_targets_config(self):
     if self.policy_config is None:
         self.policy_config = PolicyOptions(comment=DMUtils.policy_options_comment())
     for route_target in self.route_targets:
         comm = CommunityType(name=DMUtils.make_community_name(route_target),
                              members=route_target)
         self.policy_config.add_community(comm)
     # add community for switch options
     comm = CommunityType(name=DMUtils.get_switch_policy_name(),
                              members=DMUtils.get_switch_vrf_import(self.get_asn()))
     self.policy_config.add_community(comm)
Exemplo n.º 2
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 def set_route_targets_config(self):
     if self.policy_config is None:
         self.policy_config = PolicyOptions(comment=DMUtils.policy_options_comment())
     for route_target in self.route_targets:
         comm = CommunityType(name=DMUtils.make_community_name(route_target),
                              members=route_target)
         self.policy_config.add_community(comm)
     # add community for switch options
     comm = CommunityType(name=DMUtils.get_switch_policy_name(),
                              members=DMUtils.get_switch_vrf_import(self.get_asn()))
     self.policy_config.add_community(comm)
Exemplo n.º 3
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 def set_route_targets_config(self):
     if self.policy_config is None:
         self.policy_config = PolicyOptions(comment=DMUtils.policy_options_comment())
     # add export community
     export_comm = CommunityType(name=DMUtils.get_switch_export_community_name())
     for route_target in self.route_targets:
         comm = CommunityType(name=DMUtils.make_community_name(route_target))
         comm.add_members(route_target)
         self.policy_config.add_community(comm)
         # add route-targets to export community
         export_comm.add_members(route_target)
     # if no members, no need to add community
     if export_comm.get_members():
         self.policy_config.add_community(export_comm)
     # add community for switch options
     comm = CommunityType(name=DMUtils.get_switch_policy_name())
     comm.add_members(DMUtils.get_switch_vrf_import(self.get_asn()))
     self.policy_config.add_community(comm)
Exemplo n.º 4
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 def set_route_targets_config(self):
     if self.policy_config is None:
         self.policy_config = PolicyOptions(comment=DMUtils.policy_options_comment())
     # add export community
     export_comm = CommunityType(name=DMUtils.get_switch_export_community_name())
     for route_target in self.route_targets:
         comm = CommunityType(name=DMUtils.make_community_name(route_target))
         comm.add_members(route_target)
         self.policy_config.add_community(comm)
         # add route-targets to export community
         export_comm.add_members(route_target)
     # if no members, no need to add community
     if export_comm.get_members():
         self.policy_config.add_community(export_comm)
     # add community for switch options
     comm = CommunityType(name=DMUtils.get_switch_policy_name())
     comm.add_members(DMUtils.get_switch_vrf_import(self.get_asn()))
     self.policy_config.add_community(comm)
Exemplo n.º 5
0
    def add_routing_instance(self, ri_conf):
        ri_name = ri_conf.get("ri_name")
        vn = ri_conf.get("vn")
        is_l2 = ri_conf.get("is_l2", False)
        is_l2_l3 = ri_conf.get("is_l2_l3", False)
        import_targets = ri_conf.get("import_targets", set())
        export_targets = ri_conf.get("export_targets", set())
        prefixes = ri_conf.get("prefixes", [])
        gateways = ri_conf.get("gateways", [])
        interfaces = ri_conf.get("interfaces", [])
        vni = ri_conf.get("vni", None)
        network_id = ri_conf.get("network_id", None)

        self.routing_instances[ri_name] = ri_conf
        ri_config = None
        policy_config = self.policy_config or \
                       PolicyOptions(comment=DMUtils.policy_options_comment())
        ri = None
        ri_opt = None
        if not is_l2:
            ri_config = self.ri_config or \
                   RoutingInstances(comment=DMUtils.routing_instances_comment())
            ri = Instance(name=ri_name)
            ri_config.add_instance(ri)
            ri.set_vrf_import(DMUtils.make_import_name(ri_name))
            ri.set_vrf_export(DMUtils.make_export_name(ri_name))

        has_ipv6_prefixes = DMUtils.has_ipv6_prefixes(prefixes)
        has_ipv4_prefixes = DMUtils.has_ipv4_prefixes(prefixes)

        if not is_l2:
            if ri_opt is None:
                ri_opt = RoutingInstanceRoutingOptions()
                ri.set_routing_options(ri_opt)

            ri.set_instance_type("vrf")
            for interface in interfaces:
                ri.add_interface(Interface(name=interface.name))
            family = Family()
            if has_ipv4_prefixes:
                family.set_inet(FamilyInet(unicast=''))
            if has_ipv6_prefixes:
                family.set_inet6(FamilyInet6(unicast=''))
            if has_ipv4_prefixes or has_ipv6_prefixes:
                auto_export = AutoExport(family=family)
                ri_opt.set_auto_export(auto_export)

        # add policies for export route targets
        if self.is_spine():
            ps = PolicyStatement(name=DMUtils.make_export_name(ri_name))
            ps.set_comment(DMUtils.vn_ps_comment(vn, "Export"))
            then = Then()
            ps.add_term(Term(name="t1", then=then))
            for route_target in export_targets:
                comm = Community(add='',
                             community_name=DMUtils.make_community_name(route_target))
                then.add_community(comm)
                then.set_accept('')
            policy_config.add_policy_statement(ps)
            self.add_to_global_switch_opts(DMUtils.make_export_name(ri_name), False)

        # add policies for import route targets
        ps = PolicyStatement(name=DMUtils.make_import_name(ri_name))
        ps.set_comment(DMUtils.vn_ps_comment(vn, "Import"))

        # add term switch policy
        from_ = From()
        term = Term(name=DMUtils.get_switch_policy_name(), fromxx=from_)
        ps.add_term(term)
        from_.add_community(DMUtils.get_switch_policy_name())
        term.set_then(Then(accept=''))

        from_ = From()
        term = Term(name="t1", fromxx=from_)
        ps.add_term(term)
        for route_target in import_targets:
            from_.add_community(DMUtils.make_community_name(route_target))
            if not self.is_spine():
                self.add_vni_option(vni or network_id, route_target)
        term.set_then(Then(accept=''))
        policy_config.add_policy_statement(ps)
        self.add_to_global_switch_opts(DMUtils.make_import_name(ri_name), True)

        # add L2 EVPN and BD config
        interfaces_config = self.interfaces_config
        if (is_l2 and vni is not None and
                self.is_family_configured(self.bgp_params, "e-vpn")):
            # add vlan config
            vlan_conf = self.add_vlan_config(ri_name, vni)
            interfaces_config = self.interfaces_config or Interfaces(comment=DMUtils.interfaces_comment())
            if is_l2_l3 and self.is_spine():
                irb_intf = Interface(name='irb', gratuitous_arp_reply='')
                interfaces_config.add_interface(irb_intf)
                if gateways is not None:
                    intf_unit = Unit(name=str(network_id),
                                     comment=DMUtils.vn_irb_comment(vn, False, is_l2_l3))
                    irb_intf.add_unit(intf_unit)
                    if self.is_spine():
                        intf_unit.set_proxy_macip_advertisement('')
                    family = Family()
                    intf_unit.set_family(family)
                    inet = None
                    inet6 = None
                    for (irb_ip, gateway) in gateways:
                        if ':' in irb_ip:
                            if not inet6:
                                inet6 = FamilyInet6()
                                family.set_inet6(inet6)
                            addr = Address()
                            inet6.add_address(addr)
                        else:
                            if not inet:
                                inet = FamilyInet()
                                family.set_inet(inet)
                            addr = Address()
                            inet.add_address(addr)
                        addr.set_name(irb_ip)
                        addr.set_comment(DMUtils.irb_ip_comment(irb_ip))
                        if len(gateway) and gateway != '0.0.0.0':
                            addr.set_virtual_gateway_address(gateway)
            self.build_l2_evpn_interface_config(interfaces_config,
                                              interfaces, vn, vlan_conf)

        if (not is_l2 and vni is not None and
                self.is_family_configured(self.bgp_params, "e-vpn")):
            ri.set_vtep_source_interface("lo0.0")
            evpn = self.build_evpn_config()
            if evpn:
                ri.set_protocols(RoutingInstanceProtocols(evpn=evpn))
            #add vlans
            self.add_ri_vlan_config(ri, vni)

        if (not is_l2 and not is_l2_l3 and gateways):
            interfaces_config = self.interfaces_config or \
                               Interfaces(comment=DMUtils.interfaces_comment())
            ifl_num = str(1000 + int(network_id))
            lo_intf = Interface(name="lo0")
            interfaces_config.add_interface(lo_intf)
            intf_unit = Unit(name=ifl_num, comment=DMUtils.l3_lo_intf_comment(vn))
            lo_intf.add_unit(intf_unit)
            family = Family()
            intf_unit.set_family(family)
            inet = None
            inet6 = None
            for (lo_ip, _) in gateways:
                subnet = lo_ip
                (ip, _) = lo_ip.split('/')
                if ':' in lo_ip:
                    if not inet6:
                        inet6 = FamilyInet6()
                        family.set_inet6(inet6)
                    addr = Address()
                    inet6.add_address(addr)
                    lo_ip = ip + '/' + '128'
                else:
                    if not inet:
                        inet = FamilyInet()
                        family.set_inet(inet)
                    addr = Address()
                    inet.add_address(addr)
                    lo_ip = ip + '/' + '32'
                addr.set_name(lo_ip)
                addr.set_comment(DMUtils.lo0_ip_comment(subnet))
            ri.add_interface(Interface(name="lo0." + ifl_num,
                                       comment=DMUtils.lo0_ri_intf_comment(vn)))

        self.policy_config = policy_config
        self.interfaces_config = interfaces_config
        self.route_targets |= import_targets | export_targets
        self.ri_config = ri_config
    def add_routing_instance(self, ri_conf):
        ri_name = ri_conf.get("ri_name")
        vn = ri_conf.get("vn")
        is_l2 = ri_conf.get("is_l2", False)
        is_l2_l3 = ri_conf.get("is_l2_l3", False)
        import_targets = ri_conf.get("import_targets", set())
        export_targets = ri_conf.get("export_targets", set())
        prefixes = ri_conf.get("prefixes", [])
        gateways = ri_conf.get("gateways", [])
        router_external = ri_conf.get("router_external", False)
        interfaces = ri_conf.get("interfaces", [])
        vni = ri_conf.get("vni", None)
        fip_map = ri_conf.get("fip_map", None)
        network_id = ri_conf.get("network_id", None)
        is_internal_vn = True if '_contrail_lr_internal_vn_' in vn.name else False
        highest_encapsulation_priority = \
            ri_conf.get("highest_encapsulation_priority") or "MPLSoGRE"

        self.routing_instances[ri_name] = ri_conf
        self.ri_config = self.ri_config or []
        self.policy_config = self.policy_config or\
                             Policy(comment=DMUtils.policy_options_comment())
        ri = RoutingInstance(name=ri_name)
        if vn:
            is_nat = True if fip_map else False
            ri.set_comment(
                DMUtils.vn_ri_comment(vn, is_l2, is_l2_l3, is_nat,
                                      router_external))
        self.ri_config.append(ri)

        ri.set_is_public_network(router_external)

        has_ipv6_prefixes = DMUtils.has_ipv6_prefixes(prefixes)
        has_ipv4_prefixes = DMUtils.has_ipv4_prefixes(prefixes)

        if not is_l2:
            ri.set_instance_type("vrf")
            if fip_map is None:
                for interface in interfaces:
                    ri.add_interfaces(LogicalInterface(name=interface.name))
        else:
            if highest_encapsulation_priority == "VXLAN":
                ri.set_routing_instance_type("virtual-switch")
            elif highest_encapsulation_priority in ["MPLSoGRE", "MPLSoUDP"]:
                ri.set_routing_instance_type("evpn")

        if is_internal_vn:
            self.internal_vn_ris.append(ri)
            self.add_bogus_lo0(ri, network_id, vn)

        if self.is_spine() and is_l2_l3:
            self.add_irb_config(ri_conf)
            self.attach_irb(ri_conf, ri)

        if fip_map is not None:
            ri.add_interfaces(LogicalInterface(name=interfaces[0].name))

            public_vrf_ips = {}
            for pip in fip_map.values():
                if pip["vrf_name"] not in public_vrf_ips:
                    public_vrf_ips[pip["vrf_name"]] = set()
                public_vrf_ips[pip["vrf_name"]].add(pip["floating_ip"])

            for public_vrf, fips in public_vrf_ips.items():
                floating_ips = []
                ri.add_floating_ip_list(
                    FloatingIpList(public_routing_instance=public_vrf,
                                   floating_ips=floating_ips))
                for fip in fips:
                    floating_ips.append(FloatingIpMap(floating_ip=fip))

        # add policies for export route targets
        if self.is_spine():
            p = PolicyRule(name=DMUtils.make_export_name(ri_name))
            p.set_comment(DMUtils.vn_ps_comment(vn, "Export"))
            then = Then()
            p.add_term(Term(name="t1", then=then))
            for route_target in export_targets:
                then.add_community(DMUtils.make_community_name(route_target))
            then.set_accept_or_reject(True)
            self.policy_config.add_policy_rule(p)

        # add policies for import route targets
        p = PolicyRule(name=DMUtils.make_import_name(ri_name))
        p.set_comment(DMUtils.vn_ps_comment(vn, "Import"))

        # add term switch policy
        from_ = From()
        term = Term(name=DMUtils.get_switch_policy_name(), fromxx=from_)
        p.add_term(term)
        from_.add_community(DMUtils.get_switch_policy_name())
        term.set_then(Then(accept_or_reject=True))

        from_ = From()
        term = Term(name="t1", fromxx=from_)
        p.add_term(term)
        for route_target in import_targets:
            from_.add_community(DMUtils.make_community_name(route_target))
            if not is_internal_vn:
                self.add_vni_option(vni or network_id, route_target)
        term.set_then(Then(accept_or_reject=True))
        self.policy_config.add_policy_rule(p)

        # add L2 EVPN and BD config
        if (is_l2 and vni is not None
                and self.is_family_configured(self.bgp_params, "e-vpn")):
            # add vlan config
            vlan_conf = self.add_vlan_config(ri_name, vni, is_l2_l3,
                                             "irb." + str(network_id))
            self.interfaces_config = self.interfaces_config or []
            self.build_l2_evpn_interface_config(self.interfaces_config,
                                                interfaces, vn, vlan_conf)

        if (not is_l2 and vni is not None
                and self.is_family_configured(self.bgp_params, "e-vpn")):
            ri.set_vtep_source_interface("lo0.0")
            evpn = self.build_evpn_config()
            if evpn:
                ri.set_protocols(RoutingInstanceProtocols(evpn=evpn))
            #add vlans
            self.add_ri_vlan_config(ri, vni)

        if (not is_l2 and not is_l2_l3 and gateways):
            self.interfaces_config = self.interfaces_config or []
            ifl_num = str(1000 + int(network_id))
            lo_intf = Interface(name="lo0")
            interfaces_config.add_interface(lo_intf)
            intf_unit = Unit(name=ifl_num,
                             comment=DMUtils.l3_lo_intf_comment(vn))
            lo_intf.add_logical_interfaces(intf_unit)
            family = Family()
            intf_unit.set_family(family)
            inet = None
            inet6 = None
            for (lo_ip, _) in gateways:
                subnet = lo_ip
                (ip, _) = lo_ip.split('/')
                if ':' in lo_ip:
                    if not inet6:
                        inet6 = FamilyInet6()
                        family.set_inet6(inet6)
                    addr = Address()
                    inet6.add_address(addr)
                    lo_ip = ip + '/' + '128'
                else:
                    if not inet:
                        inet = FamilyInet()
                        family.set_inet(inet)
                    addr = Address()
                    inet.add_address(addr)
                    lo_ip = ip + '/' + '32'
                addr.set_name(lo_ip)
                addr.set_comment(DMUtils.lo0_ip_comment(subnet))
            ri.add_interface(
                Interface(name="lo0." + ifl_num,
                          comment=DMUtils.lo0_ri_intf_comment(vn)))

        self.route_targets |= import_targets | export_targets
Exemplo n.º 7
0
    def add_routing_instance(self, ri_conf):
        ri_name = ri_conf.get("ri_name")
        vn = ri_conf.get("vn")
        is_l2 = ri_conf.get("is_l2", False)
        is_l2_l3 = ri_conf.get("is_l2_l3", False)
        import_targets = ri_conf.get("import_targets", set())
        export_targets = ri_conf.get("export_targets", set())
        prefixes = ri_conf.get("prefixes", [])
        gateways = ri_conf.get("gateways", [])
        interfaces = ri_conf.get("interfaces", [])
        vni = ri_conf.get("vni", None)
        network_id = ri_conf.get("network_id", None)
        is_internal_vn = True if '_contrail_lr_internal_vn_' in vn.name else False

        self.routing_instances[ri_name] = ri_conf
        ri_config = None
        policy_config = self.policy_config or \
                       PolicyOptions(comment=DMUtils.policy_options_comment())
        ri = None
        ri_opt = None
        ri_config = self.ri_config or \
                   RoutingInstances(comment=DMUtils.routing_instances_comment())
        ri = Instance(name=ri_name)
        if not is_l2:
            ri_config.add_instance(ri)
            ri.set_vrf_import(DMUtils.make_import_name(ri_name))
            ri.set_vrf_export(DMUtils.make_export_name(ri_name))

        has_ipv6_prefixes = DMUtils.has_ipv6_prefixes(prefixes)
        has_ipv4_prefixes = DMUtils.has_ipv4_prefixes(prefixes)

        if not is_l2:
            if ri_opt is None:
                ri_opt = RoutingInstanceRoutingOptions()
                ri.set_routing_options(ri_opt)

            ri.set_instance_type("vrf")
            for interface in interfaces:
                ri.add_interface(Interface(name=interface.name))
            family = Family()
            if has_ipv4_prefixes:
                family.set_inet(FamilyInet(unicast=''))
            if has_ipv6_prefixes:
                family.set_inet6(FamilyInet6(unicast=''))
            if has_ipv4_prefixes or has_ipv6_prefixes:
                auto_export = AutoExport(family=family)
                ri_opt.set_auto_export(auto_export)

        if is_internal_vn:
            self.internal_vn_ris.append(ri)
            self.add_bogus_lo0(ri, network_id, vn)

        if self.is_spine() and is_l2_l3:
            self.add_irb_config(ri_conf)
            self.attach_irb(ri_conf, ri)

        lr_uuid = None
        if is_internal_vn:
            lr_uuid = DMUtils.extract_lr_uuid_from_internal_vn_name(ri_name)

        # add policies for export route targets
        if self.is_spine():
            ps = PolicyStatement(name=DMUtils.make_export_name(ri_name))
            ps.set_comment(DMUtils.vn_ps_comment(vn, "Export"))
            then = Then()
            ps.add_term(Term(name="t1", then=then))
            for route_target in export_targets:
                comm = Community(add='',
                             community_name=DMUtils.make_community_name(route_target))
                then.add_community(comm)
                then.set_accept('')
            policy_config.add_policy_statement(ps)
            self.add_to_global_switch_opts(DMUtils.make_export_name(ri_name), False)

        # add policies for import route targets
        ps = PolicyStatement(name=DMUtils.make_import_name(ri_name))
        ps.set_comment(DMUtils.vn_ps_comment(vn, "Import"))

        # add term switch policy
        from_ = From()
        term = Term(name=DMUtils.get_switch_policy_name(), fromxx=from_)
        ps.add_term(term)
        from_.add_community(DMUtils.get_switch_policy_name())
        term.set_then(Then(accept=''))

        from_ = From()
        term = Term(name="t1", fromxx=from_)
        ps.add_term(term)
        for route_target in import_targets:
            from_.add_community(DMUtils.make_community_name(route_target))
            if not is_internal_vn:
                self.add_vni_option(vni or network_id, route_target)
        term.set_then(Then(accept=''))
        policy_config.add_policy_statement(ps)
        self.add_to_global_switch_opts(DMUtils.make_import_name(ri_name), True)

        # add L2 EVPN and BD config
        interfaces_config = self.interfaces_config
        if (is_l2 and vni is not None and
                self.is_family_configured(self.bgp_params, "e-vpn")):
            # add vlan config
            vlan_conf = self.add_vlan_config(ri_name, vni, is_l2_l3, "irb." + str(network_id))
            interfaces_config = self.interfaces_config or Interfaces(comment=DMUtils.interfaces_comment())
            self.build_l2_evpn_interface_config(interfaces_config,
                                              interfaces, vn, vlan_conf)

        if (not is_l2 and (vni is not None or (is_internal_vn and lr_uuid)) and \
                self.is_family_configured(self.bgp_params, "e-vpn")):
            evpn = self.build_evpn_config(int_vn = is_internal_vn)
            if evpn:
                ri.set_protocols(RoutingInstanceProtocols(evpn=evpn))
                if is_internal_vn and lr_uuid:
                    ip_prefix_support = IpPrefixSupport()
                    #ip_prefix_support.set_forwarding_mode("symmetric")
                    ip_prefix_support.set_encapsulation("vxlan")
                    ip_prefix_support.set_vni(str(vni))
                    ip_prefix_support.set_advertise("direct-nexthop")
                    evpn.set_ip_prefix_support(ip_prefix_support)
                else:
                    ri.set_vtep_source_interface("lo0.0")
            if not is_internal_vn:
                #add vlans
                self.add_ri_vlan_config(ri, vni)


        if (not is_l2 and not is_l2_l3 and gateways):
            interfaces_config = self.interfaces_config or \
                               Interfaces(comment=DMUtils.interfaces_comment())
            ifl_num = str(1000 + int(network_id))
            lo_intf = Interface(name="lo0")
            interfaces_config.add_interface(lo_intf)
            intf_unit = Unit(name=ifl_num, comment=DMUtils.l3_lo_intf_comment(vn))
            lo_intf.add_unit(intf_unit)
            family = Family()
            intf_unit.set_family(family)
            inet = None
            inet6 = None
            for (lo_ip, _) in gateways:
                subnet = lo_ip
                (ip, _) = lo_ip.split('/')
                if ':' in lo_ip:
                    if not inet6:
                        inet6 = FamilyInet6()
                        family.set_inet6(inet6)
                    addr = Address()
                    inet6.add_address(addr)
                    lo_ip = ip + '/' + '128'
                else:
                    if not inet:
                        inet = FamilyInet()
                        family.set_inet(inet)
                    addr = Address()
                    inet.add_address(addr)
                    lo_ip = ip + '/' + '32'
                addr.set_name(lo_ip)
                addr.set_comment(DMUtils.lo0_ip_comment(subnet))
            ri.add_interface(Interface(name="lo0." + ifl_num,
                                       comment=DMUtils.lo0_ri_intf_comment(vn)))

        self.policy_config = policy_config
        self.interfaces_config = interfaces_config
        self.route_targets |= import_targets | export_targets
        self.ri_config = ri_config
Exemplo n.º 8
0
    def add_routing_instance(self, ri_conf):
        ri_name = ri_conf.get("ri_name")
        vn = ri_conf.get("vn")
        is_l2 = ri_conf.get("is_l2", False)
        is_l2_l3 = ri_conf.get("is_l2_l3", False)
        import_targets = ri_conf.get("import_targets", set())
        export_targets = ri_conf.get("export_targets", set())
        prefixes = ri_conf.get("prefixes", [])
        gateways = ri_conf.get("gateways", [])
        interfaces = ri_conf.get("interfaces", [])
        vni = ri_conf.get("vni", None)
        network_id = ri_conf.get("network_id", None)
        is_internal_vn = True if '_contrail_lr_internal_vn_' in vn.name else False

        self.routing_instances[ri_name] = ri_conf
        ri_config = None
        policy_config = self.policy_config or \
                       PolicyOptions(comment=DMUtils.policy_options_comment())
        ri = None
        ri_opt = None
        ri_config = self.ri_config or \
                   RoutingInstances(comment=DMUtils.routing_instances_comment())
        ri = Instance(name=ri_name)
        if not is_l2:
            ri_config.add_instance(ri)
            ri.set_vrf_import(DMUtils.make_import_name(ri_name))
            ri.set_vrf_export(DMUtils.make_export_name(ri_name))

        has_ipv6_prefixes = DMUtils.has_ipv6_prefixes(prefixes)
        has_ipv4_prefixes = DMUtils.has_ipv4_prefixes(prefixes)

        if not is_l2:
            if ri_opt is None:
                ri_opt = RoutingInstanceRoutingOptions()
                ri.set_routing_options(ri_opt)

            ri.set_instance_type("vrf")
            for interface in interfaces:
                ri.add_interface(Interface(name=interface.name))
            family = Family()
            if has_ipv4_prefixes:
                family.set_inet(FamilyInet(unicast=''))
            if has_ipv6_prefixes:
                family.set_inet6(FamilyInet6(unicast=''))
            if has_ipv4_prefixes or has_ipv6_prefixes:
                auto_export = AutoExport(family=family)
                ri_opt.set_auto_export(auto_export)

        if is_internal_vn:
            self.internal_vn_ris.append(ri)
            self.add_bogus_lo0(ri, network_id, vn)

        if self.is_spine() and is_l2_l3:
            self.add_irb_config(ri_conf)
            self.attach_irb(ri_conf, ri)

        lr_uuid = None
        if is_internal_vn:
            lr_uuid = DMUtils.extract_lr_uuid_from_internal_vn_name(ri_name)

        # add policies for export route targets
        if self.is_spine():
            ps = PolicyStatement(name=DMUtils.make_export_name(ri_name))
            ps.set_comment(DMUtils.vn_ps_comment(vn, "Export"))
            then = Then()
            ps.add_term(Term(name="t1", then=then))
            for route_target in export_targets:
                comm = Community(
                    add='',
                    community_name=DMUtils.make_community_name(route_target))
                then.add_community(comm)
                then.set_accept('')
            policy_config.add_policy_statement(ps)
            self.add_to_global_switch_opts(DMUtils.make_export_name(ri_name),
                                           False)

        # add policies for import route targets
        ps = PolicyStatement(name=DMUtils.make_import_name(ri_name))
        ps.set_comment(DMUtils.vn_ps_comment(vn, "Import"))

        # add term switch policy
        from_ = From()
        term = Term(name=DMUtils.get_switch_policy_name(), fromxx=from_)
        ps.add_term(term)
        from_.add_community(DMUtils.get_switch_policy_name())
        term.set_then(Then(accept=''))

        from_ = From()
        term = Term(name="t1", fromxx=from_)
        ps.add_term(term)
        for route_target in import_targets:
            from_.add_community(DMUtils.make_community_name(route_target))
            if not is_internal_vn:
                self.add_vni_option(vni or network_id, route_target)
        term.set_then(Then(accept=''))
        policy_config.add_policy_statement(ps)
        self.add_to_global_switch_opts(DMUtils.make_import_name(ri_name), True)

        # add L2 EVPN and BD config
        interfaces_config = self.interfaces_config
        if (is_l2 and vni is not None
                and self.is_family_configured(self.bgp_params, "e-vpn")):
            # add vlan config
            vlan_conf = self.add_vlan_config(ri_name, vni, is_l2_l3,
                                             "irb." + str(network_id))
            interfaces_config = self.interfaces_config or Interfaces(
                comment=DMUtils.interfaces_comment())
            self.build_l2_evpn_interface_config(interfaces_config, interfaces,
                                                vn, vlan_conf)

        if (not is_l2 and (vni is not None or (is_internal_vn and lr_uuid)) and \
                self.is_family_configured(self.bgp_params, "e-vpn")):
            evpn = self.build_evpn_config(int_vn=is_internal_vn)
            if evpn:
                ri.set_protocols(RoutingInstanceProtocols(evpn=evpn))
                if is_internal_vn and lr_uuid:
                    ip_prefix_support = IpPrefixSupport()
                    #ip_prefix_support.set_forwarding_mode("symmetric")
                    ip_prefix_support.set_encapsulation("vxlan")
                    ip_prefix_support.set_vni(str(vni))
                    ip_prefix_support.set_advertise("direct-nexthop")
                    evpn.set_ip_prefix_support(ip_prefix_support)
                else:
                    ri.set_vtep_source_interface("lo0.0")
            if not is_internal_vn:
                #add vlans
                self.add_ri_vlan_config(ri, vni)

        if (not is_l2 and not is_l2_l3 and gateways):
            interfaces_config = self.interfaces_config or \
                               Interfaces(comment=DMUtils.interfaces_comment())
            ifl_num = str(1000 + int(network_id))
            lo_intf = Interface(name="lo0")
            interfaces_config.add_interface(lo_intf)
            intf_unit = Unit(name=ifl_num,
                             comment=DMUtils.l3_lo_intf_comment(vn))
            lo_intf.add_unit(intf_unit)
            family = Family()
            intf_unit.set_family(family)
            inet = None
            inet6 = None
            for (lo_ip, _) in gateways:
                subnet = lo_ip
                (ip, _) = lo_ip.split('/')
                if ':' in lo_ip:
                    if not inet6:
                        inet6 = FamilyInet6()
                        family.set_inet6(inet6)
                    addr = Address()
                    inet6.add_address(addr)
                    lo_ip = ip + '/' + '128'
                else:
                    if not inet:
                        inet = FamilyInet()
                        family.set_inet(inet)
                    addr = Address()
                    inet.add_address(addr)
                    lo_ip = ip + '/' + '32'
                addr.set_name(lo_ip)
                addr.set_comment(DMUtils.lo0_ip_comment(subnet))
            ri.add_interface(
                Interface(name="lo0." + ifl_num,
                          comment=DMUtils.lo0_ri_intf_comment(vn)))

        self.policy_config = policy_config
        self.interfaces_config = interfaces_config
        self.route_targets |= import_targets | export_targets
        self.ri_config = ri_config
Exemplo n.º 9
0
    def add_routing_instance(self, ri_conf):
        ri_name = ri_conf.get("ri_name")
        vn = ri_conf.get("vn")
        is_l2 = ri_conf.get("is_l2", False)
        is_l2_l3 = ri_conf.get("is_l2_l3", False)
        import_targets = ri_conf.get("import_targets", set())
        export_targets = ri_conf.get("export_targets", set())
        prefixes = ri_conf.get("prefixes", [])
        gateways = ri_conf.get("gateways", [])
        interfaces = ri_conf.get("interfaces", [])
        vni = ri_conf.get("vni", None)
        network_id = ri_conf.get("network_id", None)

        self.routing_instances[ri_name] = ri_conf
        ri_config = None
        policy_config = self.policy_config or \
                       PolicyOptions(comment=DMUtils.policy_options_comment())
        ri = None
        ri_opt = None
        if not is_l2:
            ri_config = self.ri_config or \
                   RoutingInstances(comment=DMUtils.routing_instances_comment())
            ri = Instance(name=ri_name)
            ri_config.add_instance(ri)
            ri.set_vrf_import(DMUtils.make_import_name(ri_name))
            ri.set_vrf_export(DMUtils.make_export_name(ri_name))

        has_ipv6_prefixes = DMUtils.has_ipv6_prefixes(prefixes)
        has_ipv4_prefixes = DMUtils.has_ipv4_prefixes(prefixes)

        if not is_l2:
            if ri_opt is None:
                ri_opt = RoutingInstanceRoutingOptions()
                ri.set_routing_options(ri_opt)

            ri.set_instance_type("vrf")
            for interface in interfaces:
                ri.add_interface(Interface(name=interface.name))
            family = Family()
            if has_ipv4_prefixes:
                family.set_inet(FamilyInet(unicast=''))
            if has_ipv6_prefixes:
                family.set_inet6(FamilyInet6(unicast=''))
            if has_ipv4_prefixes or has_ipv6_prefixes:
                auto_export = AutoExport(family=family)
                ri_opt.set_auto_export(auto_export)

        # add policies for export route targets
        if self.is_spine():
            ps = PolicyStatement(name=DMUtils.make_export_name(ri_name))
            ps.set_comment(DMUtils.vn_ps_comment(vn, "Export"))
            then = Then()
            ps.add_term(Term(name="t1", then=then))
            for route_target in export_targets:
                comm = Community(add='',
                             community_name=DMUtils.make_community_name(route_target))
                then.add_community(comm)
                then.set_accept('')
            policy_config.add_policy_statement(ps)
            self.add_to_global_switch_opts(DMUtils.make_export_name(ri_name), False)

        # add policies for import route targets
        ps = PolicyStatement(name=DMUtils.make_import_name(ri_name))
        ps.set_comment(DMUtils.vn_ps_comment(vn, "Import"))

        # add term switch policy
        from_ = From()
        term = Term(name=DMUtils.get_switch_policy_name(), fromxx=from_)
        ps.add_term(term)
        from_.add_community(DMUtils.get_switch_policy_name())
        term.set_then(Then(accept=''))

        from_ = From()
        term = Term(name="t1", fromxx=from_)
        ps.add_term(term)
        for route_target in import_targets:
            from_.add_community(DMUtils.make_community_name(route_target))
            if not self.is_spine():
                self.add_vni_option(vni or network_id, route_target)
        term.set_then(Then(accept=''))
        policy_config.add_policy_statement(ps)
        self.add_to_global_switch_opts(DMUtils.make_import_name(ri_name), True)

        # add L2 EVPN and BD config
        interfaces_config = self.interfaces_config
        if (is_l2 and vni is not None and
                self.is_family_configured(self.bgp_params, "e-vpn")):
            # add vlan config
            vlan_conf = self.add_vlan_config(ri_name, vni)
            interfaces_config = self.interfaces_config or Interfaces(comment=DMUtils.interfaces_comment())
            if is_l2_l3 and self.is_spine():
                irb_intf = Interface(name='irb', gratuitous_arp_reply='')
                interfaces_config.add_interface(irb_intf)
                if gateways is not None:
                    intf_unit = Unit(name=str(network_id),
                                     comment=DMUtils.vn_irb_comment(vn, False, is_l2_l3))
                    irb_intf.add_unit(intf_unit)
                    if self.is_spine():
                        intf_unit.set_proxy_macip_advertisement('')
                    family = Family()
                    intf_unit.set_family(family)
                    inet = None
                    inet6 = None
                    for (irb_ip, gateway) in gateways:
                        if ':' in irb_ip:
                            if not inet6:
                                inet6 = FamilyInet6()
                                family.set_inet6(inet6)
                            addr = Address()
                            inet6.add_address(addr)
                        else:
                            if not inet:
                                inet = FamilyInet()
                                family.set_inet(inet)
                            addr = Address()
                            inet.add_address(addr)
                        addr.set_name(irb_ip)
                        addr.set_comment(DMUtils.irb_ip_comment(irb_ip))
                        if len(gateway) and gateway != '0.0.0.0':
                            addr.set_virtual_gateway_address(gateway)
            self.build_l2_evpn_interface_config(interfaces_config,
                                              interfaces, vn, vlan_conf)

        if (not is_l2 and vni is not None and
                self.is_family_configured(self.bgp_params, "e-vpn")):
            ri.set_vtep_source_interface("lo0.0")
            evpn = self.build_evpn_config()
            if evpn:
                ri.set_protocols(RoutingInstanceProtocols(evpn=evpn))
            #add vlans
            self.add_ri_vlan_config(ri, vni)

        if (not is_l2 and not is_l2_l3 and gateways):
            interfaces_config = self.interfaces_config or \
                               Interfaces(comment=DMUtils.interfaces_comment())
            ifl_num = str(1000 + int(network_id))
            lo_intf = Interface(name="lo0")
            interfaces_config.add_interface(lo_intf)
            intf_unit = Unit(name=ifl_num, comment=DMUtils.l3_lo_intf_comment(vn))
            lo_intf.add_unit(intf_unit)
            family = Family()
            intf_unit.set_family(family)
            inet = None
            inet6 = None
            for (lo_ip, _) in gateways:
                subnet = lo_ip
                (ip, _) = lo_ip.split('/')
                if ':' in lo_ip:
                    if not inet6:
                        inet6 = FamilyInet6()
                        family.set_inet6(inet6)
                    addr = Address()
                    inet6.add_address(addr)
                    lo_ip = ip + '/' + '128'
                else:
                    if not inet:
                        inet = FamilyInet()
                        family.set_inet(inet)
                    addr = Address()
                    inet.add_address(addr)
                    lo_ip = ip + '/' + '32'
                addr.set_name(lo_ip)
                addr.set_comment(DMUtils.lo0_ip_comment(subnet))
            ri.add_interface(Interface(name="lo0." + ifl_num,
                                       comment=DMUtils.lo0_ri_intf_comment(vn)))

        self.policy_config = policy_config
        self.interfaces_config = interfaces_config
        self.route_targets |= import_targets | export_targets
        self.ri_config = ri_config
    def add_routing_instance(self, ri_conf):
        ri_name = ri_conf.get("ri_name")
        vn = ri_conf.get("vn")
        is_l2 = ri_conf.get("is_l2", False)
        is_l2_l3 = ri_conf.get("is_l2_l3", False)
        import_targets = ri_conf.get("import_targets", set())
        export_targets = ri_conf.get("export_targets", set())
        prefixes = ri_conf.get("prefixes", [])
        gateways = ri_conf.get("gateways", [])
        router_external = ri_conf.get("router_external", False)
        interfaces = ri_conf.get("interfaces", [])
        vni = ri_conf.get("vni", None)
        fip_map = ri_conf.get("fip_map", None)
        network_id = ri_conf.get("network_id", None)
        is_internal_vn = True if '_contrail_lr_internal_vn_' in vn.name else False
        highest_encapsulation_priority = \
            ri_conf.get("highest_encapsulation_priority") or "MPLSoGRE"

        self.routing_instances[ri_name] = ri_conf
        self.ri_config = self.ri_config or []
        self.policy_config = self.policy_config or\
                             Policy(comment=DMUtils.policy_options_comment())
        ri = RoutingInstance(name=ri_name)
        if vn:
            is_nat = True if fip_map else False
            ri.set_comment(
                DMUtils.vn_ri_comment(vn, is_l2, is_l2_l3, is_nat,
                                      router_external))
        self.ri_config.append(ri)

        ri.set_virtual_network_id(str(network_id))
        ri.set_vxlan_id(str(vni))
        ri.set_virtual_network_is_internal(is_internal_vn)
        ri.set_is_public_network(router_external)
        if is_l2_l3:
            ri.set_virtual_network_mode('l2-l3')
        elif is_l2:
            ri.set_virtual_network_mode('l2')
        else:
            ri.set_virtual_network_mode('l3')

        has_ipv6_prefixes = DMUtils.has_ipv6_prefixes(prefixes)
        has_ipv4_prefixes = DMUtils.has_ipv4_prefixes(prefixes)

        if not is_l2:
            ri.set_routing_instance_type("vrf")
            if fip_map is None:
                for interface in interfaces:
                    ri.add_interfaces(LogicalInterface(name=interface.name))
                if prefixes:
                    for prefix in prefixes:
                        ri.add_static_routes(self.get_route_for_cidr(prefix))
                        ri.add_prefixes(self.get_subnet_for_cidr(prefix))
        else:
            if highest_encapsulation_priority == "VXLAN":
                ri.set_routing_instance_type("virtual-switch")
            elif highest_encapsulation_priority in ["MPLSoGRE", "MPLSoUDP"]:
                ri.set_routing_instance_type("evpn")

        if is_internal_vn:
            self.internal_vn_ris.append(ri)
            self.add_bogus_lo0(ri, network_id, vn)

        if self.is_spine() and is_l2_l3:
            self.add_irb_config(ri_conf)
            self.attach_irb(ri_conf, ri)

        if fip_map is not None:
            ri.add_interfaces(LogicalInterface(name=interfaces[0].name))

            public_vrf_ips = {}
            for pip in fip_map.values():
                if pip["vrf_name"] not in public_vrf_ips:
                    public_vrf_ips[pip["vrf_name"]] = set()
                public_vrf_ips[pip["vrf_name"]].add(pip["floating_ip"])

            for public_vrf, fips in public_vrf_ips.items():
                ri.add_interfaces(LogicalInterface(name=interfaces[1].name))
                floating_ips = []
                for fip in fips:
                    ri.add_static_routes(
                        Route(prefix=fip,
                              prefix_len=32,
                              next_hop=interfaces[1].name,
                              comment=DMUtils.fip_egress_comment()))
                    floating_ips.append(FloatingIpMap(floating_ip=fip + "/32"))
                ri.add_floating_ip_list(
                    FloatingIpList(public_routing_instance=public_vrf,
                                   floating_ips=floating_ips))

        # add policies for export route targets
        if self.is_spine():
            p = PolicyRule(name=DMUtils.make_export_name(ri_name))
            p.set_comment(DMUtils.vn_ps_comment(vn, "Export"))
            then = Then()
            p.add_term(Term(name="t1", then=then))
            for route_target in export_targets:
                then.add_community(DMUtils.make_community_name(route_target))
            then.set_accept_or_reject(True)
            self.policy_config.add_policy_rule(p)

        # add policies for import route targets
        p = PolicyRule(name=DMUtils.make_import_name(ri_name))
        p.set_comment(DMUtils.vn_ps_comment(vn, "Import"))

        # add term switch policy
        from_ = From()
        term = Term(name=DMUtils.get_switch_policy_name(), fromxx=from_)
        p.add_term(term)
        from_.add_community(DMUtils.get_switch_policy_name())
        term.set_then(Then(accept_or_reject=True))

        from_ = From()
        term = Term(name="t1", fromxx=from_)
        p.add_term(term)
        for route_target in import_targets:
            from_.add_community(DMUtils.make_community_name(route_target))
            if not is_internal_vn:
                self.add_vni_option(vni or network_id, route_target)
        term.set_then(Then(accept_or_reject=True))
        self.policy_config.add_policy_rule(p)

        # add firewall config for public VRF
        if router_external and is_l2 is False:
            self.firewall_config = self.firewall_config or Firewall(
                comment=DMUtils.firewall_comment())
            if has_ipv4_prefixes and not self.inet4_forwarding_filter:
                # create single instance inet4 filter
                self.inet4_forwarding_filter = self.add_inet_public_vrf_filter(
                    self.firewall_config, "inet")
            if has_ipv6_prefixes and not self.inet6_forwarding_filter:
                # create single instance inet6 filter
                self.inet6_forwarding_filter = self.add_inet_public_vrf_filter(
                    self.firewall_config, "inet6")
            if has_ipv4_prefixes:
                # add terms to inet4 filter
                term = self.add_inet_filter_term(ri_name, prefixes, "inet4")
                # insert before the last term
                terms = self.inet4_forwarding_filter.get_terms()
                terms = [term] + (terms or [])
                self.inet4_forwarding_filter.set_terms(terms)
            if has_ipv6_prefixes:
                # add terms to inet6 filter
                term = self.add_inet_filter_term(ri_name, prefixes, "inet6")
                # insert before the last term
                terms = self.inet6_forwarding_filter.get_terms()
                terms = [term] + (terms or [])
                self.inet6_forwarding_filter.set_terms(terms)

        if fip_map is not None:
            self.firewall_config = self.firewall_config or Firewall(
                comment=DMUtils.firewall_comment())
            f = FirewallFilter(
                name=DMUtils.make_private_vrf_filter_name(ri_name))
            f.set_comment(DMUtils.vn_firewall_comment(vn, "private"))
            self.firewall_config.add_firewall_filters(f)

            term = Term(name=DMUtils.make_vrf_term_name(ri_name))
            from_ = From()
            for fip_user_ip in fip_map.keys():
                from_.add_source_address(fip_user_ip)
            term.set_from(from_)
            term.set_then(Then(routing_instance=[ri_name]))
            f.add_terms(term)

            irb_intf = PhysicalInterface(name='irb', interface_type='irb')
            self.interfaces_config.append(irb_intf)
            intf_unit = LogicalInterface(
                name="irb." + str(network_id),
                unit=network_id,
                comment=DMUtils.vn_irb_fip_inet_comment(vn))
            irb_intf.add_logical_interfaces(intf_unit)
            intf_unit.set_family("inet")
            intf_unit.add_firewall_filters(
                DMUtils.make_private_vrf_filter_name(ri_name))
            ri.add_routing_interfaces(intf_unit)

        if gateways is not None:
            for (ip, gateway) in gateways:
                ri.add_gateways(
                    GatewayRoute(ip_address=self.get_subnet_for_cidr(ip),
                                 gateway=self.get_subnet_for_cidr(gateway)))

        # add L2 EVPN and BD config
        if (is_l2 and vni is not None
                and self.is_family_configured(self.bgp_params, "e-vpn")):
            vlan = None
            if self.is_spine():
                if highest_encapsulation_priority == "VXLAN":
                    self.vlans_config = self.vlans_config or []
                    vlan = Vlan(name=DMUtils.make_bridge_name(vni),
                                vxlan_id=vni,
                                vlan_or_bridge_domain=False)
                    vlan.set_comment(DMUtils.vn_bd_comment(vn, "VXLAN"))
                    self.vlans_config.append(vlan)
                    for interface in interfaces:
                        vlan.add_interfaces(
                            LogicalInterface(name=interface.name))
                    if is_l2_l3:
                        # network_id is unique, hence irb
                        irb_intf = "irb." + str(network_id)
                        vlan.add_interfaces(LogicalInterface(name=irb_intf))
                elif highest_encapsulation_priority in [
                        "MPLSoGRE", "MPLSoUDP"
                ]:
                    self.evpn = Evpn(
                        encapsulation=highest_encapsulation_priority)
                    self.evpn.set_comment(
                        DMUtils.vn_evpn_comment(
                            vn, highest_encapsulation_priority))
                    for interface in interfaces:
                        self.evpn.add_interfaces(
                            LogicalInterface(name=interface.name))
            else:
                # add vlan config
                vlan = self.add_vlan_config(ri_name, vni, is_l2_l3,
                                            "irb." + str(network_id))

            self.interfaces_config = self.interfaces_config or []
            self.build_l2_evpn_interface_config(self.interfaces_config,
                                                interfaces, vn, vlan)

        if (not is_l2 and vni is not None
                and self.is_family_configured(self.bgp_params, "e-vpn")):
            self.evpn = self.build_evpn_config()
            # add vlans
            self.add_ri_vlan_config(ri, vni)

        if (not is_l2 and not is_l2_l3 and gateways):
            self.interfaces_config = self.interfaces_config or []
            ifl_num = 1000 + int(network_id)
            lo_intf = PhysicalInterface(name="lo0", interface_type='loopback')
            self.interfaces_config.append(lo_intf)
            intf_unit = LogicalInterface(
                name="lo0." + str(ifl_num),
                unit=ifl_num,
                comment=DMUtils.l3_lo_intf_comment(vn))
            lo_intf.add_logical_interfaces(intf_unit)
            for (lo_ip, _) in gateways:
                subnet = lo_ip
                (ip, _) = lo_ip.split('/')
                if ':' in lo_ip:
                    lo_ip = ip + '/' + '128'
                else:
                    lo_ip = ip + '/' + '32'
                intf_unit.add_ip_list(
                    IpType(address=lo_ip,
                           comment=DMUtils.lo0_ip_comment(subnet)))
            ri.add_loopback_interfaces(
                LogicalInterface(name="lo0." + str(ifl_num),
                                 comment=DMUtils.lo0_ri_intf_comment(vn)))

        # fip services config
        if fip_map is not None:
            nat_rules = NatRules(allow_overlapping_nat_pools=True,
                                 name=DMUtils.make_services_set_name(ri_name),
                                 comment=DMUtils.service_set_comment(vn))
            ri.set_nat_rules(nat_rules)
            snat_rule = NatRule(name=DMUtils.make_snat_rule_name(ri_name),
                                comment=DMUtils.service_set_nat_rule_comment(
                                    vn, "SNAT"),
                                direction="input",
                                translation_type="basic-nat44")
            snat_rule.set_comment(DMUtils.snat_rule_comment())
            nat_rules.add_rules(snat_rule)
            dnat_rule = NatRule(name=DMUtils.make_dnat_rule_name(ri_name),
                                comment=DMUtils.service_set_nat_rule_comment(
                                    vn, "DNAT"),
                                direction="output",
                                translation_type="dnat-44")
            dnat_rule.set_comment(DMUtils.dnat_rule_comment())
            nat_rules.add_rules(dnat_rule)
            nat_rules.set_inside_interface(interfaces[0].name)
            nat_rules.set_outside_interface(interfaces[1].name)

            for pip, fip_vn in fip_map.items():
                fip = fip_vn["floating_ip"]
                # private ip
                snat_rule.add_source_addresses(self.get_subnet_for_cidr(pip))
                # public ip
                snat_rule.add_source_prefixes(self.get_subnet_for_cidr(fip))

                # public ip
                dnat_rule.add_destination_addresses(
                    self.get_subnet_for_cidr(fip))
                # private ip
                dnat_rule.add_destination_prefixes(
                    self.get_subnet_for_cidr(pip))

            intf_unit = LogicalInterface(
                name=interfaces[0].name,
                unit=interfaces[0].unit,
                comment=DMUtils.service_intf_comment("Ingress"))
            intf_unit.set_family("inet")
            ri.add_service_interfaces(intf_unit)

            intf_unit = LogicalInterface(
                name=interfaces[1].name,
                unit=interfaces[1].unit,
                comment=DMUtils.service_intf_comment("Egress"))
            intf_unit.set_family("inet")
            ri.add_service_interfaces(intf_unit)

        for target in import_targets:
            ri.add_import_targets(target)

        for target in export_targets:
            ri.add_export_targets(target)