Examples with VendorConversionException org.batfish.common.VendorConversionException used on opensource projects

Example 1 with VendorConversionException

use of org.batfish.common.VendorConversionException in project batfish by batfish.

the class PsFromRouteFilter method toBooleanExpr.

@Override
public BooleanExpr toBooleanExpr(JuniperConfiguration jc, Configuration c, Warnings warnings) {
    RouteFilterList rfl = c.getRouteFilterLists().get(_routeFilterName);
    Route6FilterList rfl6 = c.getRoute6FilterLists().get(_routeFilterName);
    BooleanExpr match4 = null;
    BooleanExpr match6 = null;
    if (rfl != null) {
        match4 = new MatchPrefixSet(new DestinationNetwork(), new NamedPrefixSet(_routeFilterName));
    }
    if (rfl6 != null) {
        match6 = new MatchPrefix6Set(new DestinationNetwork6(), new NamedPrefix6Set(_routeFilterName));
    }
    if (match4 != null && match6 == null) {
        return match4;
    } else if (rfl == null && rfl6 != null) {
        return match6;
    } else if (rfl != null && rfl6 != null) {
        Disjunction d = new Disjunction();
        d.getDisjuncts().add(match4);
        d.getDisjuncts().add(match6);
        return d;
    } else {
        throw new VendorConversionException("missing route filter list: \"" + _routeFilterName + "\"");
    }
}

Example 2 with VendorConversionException

use of org.batfish.common.VendorConversionException in project batfish by batfish.

the class CiscoConfiguration method toInterface.

private org.batfish.datamodel.Interface toInterface(Interface iface, Map<String, IpAccessList> ipAccessLists, Configuration c) {
    String name = iface.getName();
    org.batfish.datamodel.Interface newIface = new org.batfish.datamodel.Interface(name, c);
    String vrfName = iface.getVrf();
    Vrf vrf = _vrfs.computeIfAbsent(vrfName, Vrf::new);
    newIface.setDescription(iface.getDescription());
    newIface.setActive(iface.getActive());
    newIface.setAutoState(iface.getAutoState());
    newIface.setVrf(c.getVrfs().get(vrfName));
    newIface.setBandwidth(iface.getBandwidth());
    if (iface.getDhcpRelayClient()) {
        newIface.getDhcpRelayAddresses().addAll(_dhcpRelayServers);
    } else {
        newIface.getDhcpRelayAddresses().addAll(iface.getDhcpRelayAddresses());
    }
    newIface.setMtu(getInterfaceMtu(iface));
    newIface.setOspfPointToPoint(iface.getOspfPointToPoint());
    newIface.setProxyArp(iface.getProxyArp());
    newIface.setSpanningTreePortfast(iface.getSpanningTreePortfast());
    newIface.setSwitchport(iface.getSwitchport());
    newIface.setDeclaredNames(ImmutableSortedSet.copyOf(iface.getDeclaredNames()));
    // All prefixes is the combination of the interface prefix + any secondary prefixes.
    ImmutableSet.Builder<InterfaceAddress> allPrefixes = ImmutableSet.builder();
    if (iface.getAddress() != null) {
        newIface.setAddress(iface.getAddress());
        allPrefixes.add(iface.getAddress());
    }
    allPrefixes.addAll(iface.getSecondaryAddresses());
    newIface.setAllAddresses(allPrefixes.build());
    Long ospfAreaLong = iface.getOspfArea();
    if (ospfAreaLong != null) {
        OspfProcess proc = vrf.getOspfProcess();
        if (proc != null) {
            if (iface.getOspfActive()) {
                proc.getActiveInterfaceList().add(name);
            }
            if (iface.getOspfPassive()) {
                proc.getPassiveInterfaceList().add(name);
            }
            for (InterfaceAddress address : newIface.getAllAddresses()) {
                Prefix prefix = address.getPrefix();
                OspfNetwork ospfNetwork = new OspfNetwork(prefix, ospfAreaLong);
                proc.getNetworks().add(ospfNetwork);
            }
        } else {
            _w.redFlag("Interface: '" + name + "' contains OSPF settings, but there is no OSPF process");
        }
    }
    boolean level1 = false;
    boolean level2 = false;
    IsisProcess isisProcess = vrf.getIsisProcess();
    if (isisProcess != null) {
        switch(isisProcess.getLevel()) {
            case LEVEL_1:
                level1 = true;
                break;
            case LEVEL_1_2:
                level1 = true;
                level2 = true;
                break;
            case LEVEL_2:
                level2 = true;
                break;
            default:
                throw new VendorConversionException("Invalid IS-IS level");
        }
    }
    if (level1) {
        newIface.setIsisL1InterfaceMode(iface.getIsisInterfaceMode());
    } else {
        newIface.setIsisL1InterfaceMode(IsisInterfaceMode.UNSET);
    }
    if (level2) {
        newIface.setIsisL2InterfaceMode(iface.getIsisInterfaceMode());
    } else {
        newIface.setIsisL2InterfaceMode(IsisInterfaceMode.UNSET);
    }
    newIface.setIsisCost(iface.getIsisCost());
    newIface.setOspfCost(iface.getOspfCost());
    newIface.setOspfDeadInterval(iface.getOspfDeadInterval());
    newIface.setOspfHelloMultiplier(iface.getOspfHelloMultiplier());
    // switch settings
    newIface.setAccessVlan(iface.getAccessVlan());
    newIface.setNativeVlan(iface.getNativeVlan());
    newIface.setSwitchportMode(iface.getSwitchportMode());
    SwitchportEncapsulationType encapsulation = iface.getSwitchportTrunkEncapsulation();
    if (encapsulation == null) {
        // no encapsulation set, so use default..
        // TODO: check if this is OK
        encapsulation = SwitchportEncapsulationType.DOT1Q;
    }
    newIface.setSwitchportTrunkEncapsulation(encapsulation);
    newIface.addAllowedRanges(iface.getAllowedVlans());
    String incomingFilterName = iface.getIncomingFilter();
    if (incomingFilterName != null) {
        int incomingFilterLine = iface.getIncomingFilterLine();
        IpAccessList incomingFilter = ipAccessLists.get(incomingFilterName);
        if (incomingFilter == null) {
            undefined(CiscoStructureType.IP_ACCESS_LIST, incomingFilterName, CiscoStructureUsage.INTERFACE_INCOMING_FILTER, incomingFilterLine);
        } else {
            String msg = "incoming acl for interface: " + iface.getName();
            ExtendedAccessList incomingExtendedAccessList = _extendedAccessLists.get(incomingFilterName);
            if (incomingExtendedAccessList != null) {
                incomingExtendedAccessList.getReferers().put(iface, msg);
            }
            StandardAccessList incomingStandardAccessList = _standardAccessLists.get(incomingFilterName);
            if (incomingStandardAccessList != null) {
                incomingStandardAccessList.getReferers().put(iface, msg);
            }
        }
        newIface.setIncomingFilter(incomingFilter);
    }
    String outgoingFilterName = iface.getOutgoingFilter();
    if (outgoingFilterName != null) {
        int outgoingFilterLine = iface.getOutgoingFilterLine();
        IpAccessList outgoingFilter = ipAccessLists.get(outgoingFilterName);
        if (outgoingFilter == null) {
            undefined(CiscoStructureType.IP_ACCESS_LIST, outgoingFilterName, CiscoStructureUsage.INTERFACE_OUTGOING_FILTER, outgoingFilterLine);
        } else {
            String msg = "outgoing acl for interface: " + iface.getName();
            ExtendedAccessList outgoingExtendedAccessList = _extendedAccessLists.get(outgoingFilterName);
            if (outgoingExtendedAccessList != null) {
                outgoingExtendedAccessList.getReferers().put(iface, msg);
            }
            StandardAccessList outgoingStandardAccessList = _standardAccessLists.get(outgoingFilterName);
            if (outgoingStandardAccessList != null) {
                outgoingStandardAccessList.getReferers().put(iface, msg);
            }
        }
        newIface.setOutgoingFilter(outgoingFilter);
    }
    List<CiscoSourceNat> origSourceNats = iface.getSourceNats();
    if (origSourceNats != null) {
        // Process each of the CiscoSourceNats:
        // 1) Collect references to ACLs and NAT pools.
        // 2) For valid CiscoSourceNat rules, add them to the newIface source NATs list.
        newIface.setSourceNats(origSourceNats.stream().map(nat -> processSourceNat(nat, iface, ipAccessLists)).filter(Objects::nonNull).collect(ImmutableList.toImmutableList()));
    }
    String routingPolicyName = iface.getRoutingPolicy();
    if (routingPolicyName != null) {
        int routingPolicyLine = iface.getRoutingPolicyLine();
        RouteMap routingPolicyRouteMap = _routeMaps.get(routingPolicyName);
        if (routingPolicyRouteMap == null) {
            undefined(CiscoStructureType.ROUTE_MAP, routingPolicyName, CiscoStructureUsage.INTERFACE_POLICY_ROUTING_MAP, routingPolicyLine);
        } else {
            routingPolicyRouteMap.getReferers().put(iface, "routing policy for interface: " + iface.getName());
        }
        newIface.setRoutingPolicy(routingPolicyName);
    }
    return newIface;
}

Example 3 with VendorConversionException

use of org.batfish.common.VendorConversionException in project batfish by batfish.

the class CiscoConfiguration method toBgpProcess.

private org.batfish.datamodel.BgpProcess toBgpProcess(final Configuration c, BgpProcess proc, String vrfName) {
    org.batfish.datamodel.BgpProcess newBgpProcess = new org.batfish.datamodel.BgpProcess();
    org.batfish.datamodel.Vrf v = c.getVrfs().get(vrfName);
    BgpTieBreaker tieBreaker = proc.getTieBreaker();
    if (tieBreaker != null) {
        newBgpProcess.setTieBreaker(tieBreaker);
    }
    MultipathEquivalentAsPathMatchMode multipathEquivalentAsPathMatchMode = proc.getAsPathMultipathRelax() ? MultipathEquivalentAsPathMatchMode.PATH_LENGTH : MultipathEquivalentAsPathMatchMode.EXACT_PATH;
    newBgpProcess.setMultipathEquivalentAsPathMatchMode(multipathEquivalentAsPathMatchMode);
    Integer maximumPaths = proc.getMaximumPaths();
    Integer maximumPathsEbgp = proc.getMaximumPathsEbgp();
    Integer maximumPathsIbgp = proc.getMaximumPathsIbgp();
    boolean multipathEbgp = false;
    boolean multipathIbgp = false;
    if (maximumPaths != null && maximumPaths > 1) {
        multipathEbgp = true;
        multipathIbgp = true;
    }
    if (maximumPathsEbgp != null && maximumPathsEbgp > 1) {
        multipathEbgp = true;
    }
    if (maximumPathsIbgp != null && maximumPathsIbgp > 1) {
        multipathIbgp = true;
    }
    newBgpProcess.setMultipathEbgp(multipathEbgp);
    newBgpProcess.setMultipathIbgp(multipathIbgp);
    Map<Prefix, BgpNeighbor> newBgpNeighbors = newBgpProcess.getNeighbors();
    int defaultMetric = proc.getDefaultMetric();
    Ip bgpRouterId = getBgpRouterId(c, vrfName, proc);
    MatchPrefixSet matchDefaultRoute = new MatchPrefixSet(new DestinationNetwork(), new ExplicitPrefixSet(new PrefixSpace(Collections.singleton(new PrefixRange(Prefix.ZERO, new SubRange(0, 0))))));
    matchDefaultRoute.setComment("match default route");
    MatchPrefix6Set matchDefaultRoute6 = new MatchPrefix6Set(new DestinationNetwork6(), new ExplicitPrefix6Set(new Prefix6Space(Collections.singleton(new Prefix6Range(Prefix6.ZERO, new SubRange(0, 0))))));
    matchDefaultRoute.setComment("match default route");
    newBgpProcess.setRouterId(bgpRouterId);
    Set<BgpAggregateIpv4Network> summaryOnlyNetworks = new HashSet<>();
    Set<BgpAggregateIpv6Network> summaryOnlyIpv6Networks = new HashSet<>();
    List<BooleanExpr> attributeMapPrefilters = new ArrayList<>();
    // add generated routes for aggregate ipv4 addresses
    for (Entry<Prefix, BgpAggregateIpv4Network> e : proc.getAggregateNetworks().entrySet()) {
        Prefix prefix = e.getKey();
        BgpAggregateIpv4Network aggNet = e.getValue();
        boolean summaryOnly = aggNet.getSummaryOnly();
        int prefixLength = prefix.getPrefixLength();
        SubRange prefixRange = new SubRange(prefixLength + 1, Prefix.MAX_PREFIX_LENGTH);
        if (summaryOnly) {
            summaryOnlyNetworks.add(aggNet);
        }
        // create generation policy for aggregate network
        String generationPolicyName = "~AGGREGATE_ROUTE_GEN:" + vrfName + ":" + prefix + "~";
        RoutingPolicy currentGeneratedRoutePolicy = new RoutingPolicy(generationPolicyName, c);
        If currentGeneratedRouteConditional = new If();
        currentGeneratedRoutePolicy.getStatements().add(currentGeneratedRouteConditional);
        currentGeneratedRouteConditional.setGuard(new MatchPrefixSet(new DestinationNetwork(), new ExplicitPrefixSet(new PrefixSpace(Collections.singleton(new PrefixRange(prefix, prefixRange))))));
        currentGeneratedRouteConditional.getTrueStatements().add(Statements.ReturnTrue.toStaticStatement());
        c.getRoutingPolicies().put(generationPolicyName, currentGeneratedRoutePolicy);
        GeneratedRoute.Builder gr = new GeneratedRoute.Builder();
        gr.setNetwork(prefix);
        gr.setAdmin(CISCO_AGGREGATE_ROUTE_ADMIN_COST);
        gr.setGenerationPolicy(generationPolicyName);
        gr.setDiscard(true);
        // set attribute map for aggregate network
        String attributeMapName = aggNet.getAttributeMap();
        Conjunction applyCurrentAggregateAttributesConditions = new Conjunction();
        applyCurrentAggregateAttributesConditions.getConjuncts().add(new MatchPrefixSet(new DestinationNetwork(), new ExplicitPrefixSet(new PrefixSpace(Collections.singleton(PrefixRange.fromPrefix(prefix))))));
        applyCurrentAggregateAttributesConditions.getConjuncts().add(new MatchProtocol(RoutingProtocol.AGGREGATE));
        BooleanExpr weInterior = BooleanExprs.True.toStaticBooleanExpr();
        if (attributeMapName != null) {
            int attributeMapLine = aggNet.getAttributeMapLine();
            RouteMap attributeMap = _routeMaps.get(attributeMapName);
            if (attributeMap != null) {
                // need to apply attribute changes if this specific route is
                // matched
                weInterior = new CallExpr(attributeMapName);
                attributeMap.getReferers().put(aggNet, "attribute-map of aggregate route: " + prefix);
                gr.setAttributePolicy(attributeMapName);
            } else {
                undefined(CiscoStructureType.ROUTE_MAP, attributeMapName, CiscoStructureUsage.BGP_AGGREGATE_ATTRIBUTE_MAP, attributeMapLine);
            }
        }
        v.getGeneratedRoutes().add(gr.build());
        BooleanExpr we = bgpRedistributeWithEnvironmentExpr(weInterior, OriginType.IGP);
        applyCurrentAggregateAttributesConditions.getConjuncts().add(we);
        attributeMapPrefilters.add(applyCurrentAggregateAttributesConditions);
    }
    // TODO: merge with above to make cleaner
    for (Entry<Prefix6, BgpAggregateIpv6Network> e : proc.getAggregateIpv6Networks().entrySet()) {
        Prefix6 prefix6 = e.getKey();
        BgpAggregateIpv6Network aggNet = e.getValue();
        boolean summaryOnly = aggNet.getSummaryOnly();
        int prefixLength = prefix6.getPrefixLength();
        SubRange prefixRange = new SubRange(prefixLength + 1, Prefix.MAX_PREFIX_LENGTH);
        if (summaryOnly) {
            summaryOnlyIpv6Networks.add(aggNet);
        }
        // create generation policy for aggregate network
        String generationPolicyName = "~AGGREGATE_ROUTE6_GEN:" + vrfName + ":" + prefix6 + "~";
        RoutingPolicy currentGeneratedRoutePolicy = new RoutingPolicy(generationPolicyName, c);
        If currentGeneratedRouteConditional = new If();
        currentGeneratedRoutePolicy.getStatements().add(currentGeneratedRouteConditional);
        currentGeneratedRouteConditional.setGuard(new MatchPrefix6Set(new DestinationNetwork6(), new ExplicitPrefix6Set(new Prefix6Space(Collections.singleton(new Prefix6Range(prefix6, prefixRange))))));
        currentGeneratedRouteConditional.getTrueStatements().add(Statements.ReturnTrue.toStaticStatement());
        c.getRoutingPolicies().put(generationPolicyName, currentGeneratedRoutePolicy);
        GeneratedRoute6 gr = new GeneratedRoute6(prefix6, CISCO_AGGREGATE_ROUTE_ADMIN_COST);
        gr.setGenerationPolicy(generationPolicyName);
        gr.setDiscard(true);
        v.getGeneratedIpv6Routes().add(gr);
        // set attribute map for aggregate network
        String attributeMapName = aggNet.getAttributeMap();
        if (attributeMapName != null) {
            int attributeMapLine = aggNet.getAttributeMapLine();
            RouteMap attributeMap = _routeMaps.get(attributeMapName);
            if (attributeMap != null) {
                attributeMap.getReferers().put(aggNet, "attribute-map of aggregate ipv6 route: " + prefix6);
                gr.setAttributePolicy(attributeMapName);
            } else {
                undefined(CiscoStructureType.ROUTE_MAP, attributeMapName, CiscoStructureUsage.BGP_AGGREGATE_ATTRIBUTE_MAP, attributeMapLine);
            }
        }
    }
    /*
     * Create common bgp export policy. This policy encompasses network
     * statements, aggregate-address with/without summary-only, redistribution
     * from other protocols, and default-origination
     */
    String bgpCommonExportPolicyName = "~BGP_COMMON_EXPORT_POLICY:" + vrfName + "~";
    RoutingPolicy bgpCommonExportPolicy = new RoutingPolicy(bgpCommonExportPolicyName, c);
    c.getRoutingPolicies().put(bgpCommonExportPolicyName, bgpCommonExportPolicy);
    List<Statement> bgpCommonExportStatements = bgpCommonExportPolicy.getStatements();
    // create policy for denying suppressed summary-only networks
    if (summaryOnlyNetworks.size() > 0) {
        If suppressSummaryOnly = new If();
        bgpCommonExportStatements.add(suppressSummaryOnly);
        suppressSummaryOnly.setComment("Suppress summarized of summary-only aggregate-address networks");
        String matchSuppressedSummaryOnlyRoutesName = "~MATCH_SUPPRESSED_SUMMARY_ONLY:" + vrfName + "~";
        RouteFilterList matchSuppressedSummaryOnlyRoutes = new RouteFilterList(matchSuppressedSummaryOnlyRoutesName);
        c.getRouteFilterLists().put(matchSuppressedSummaryOnlyRoutesName, matchSuppressedSummaryOnlyRoutes);
        for (BgpAggregateIpv4Network summaryOnlyNetwork : summaryOnlyNetworks) {
            Prefix prefix = summaryOnlyNetwork.getPrefix();
            int prefixLength = prefix.getPrefixLength();
            RouteFilterLine line = new RouteFilterLine(LineAction.ACCEPT, prefix, new SubRange(prefixLength + 1, Prefix.MAX_PREFIX_LENGTH));
            matchSuppressedSummaryOnlyRoutes.addLine(line);
        }
        suppressSummaryOnly.setGuard(new MatchPrefixSet(new DestinationNetwork(), new NamedPrefixSet(matchSuppressedSummaryOnlyRoutesName)));
        suppressSummaryOnly.getTrueStatements().add(Statements.ReturnFalse.toStaticStatement());
    }
    If preFilter = new If();
    bgpCommonExportStatements.add(preFilter);
    bgpCommonExportStatements.add(Statements.ReturnFalse.toStaticStatement());
    Disjunction preFilterConditions = new Disjunction();
    preFilter.setGuard(preFilterConditions);
    preFilter.getTrueStatements().add(Statements.ReturnTrue.toStaticStatement());
    preFilterConditions.getDisjuncts().addAll(attributeMapPrefilters);
    // create redistribution origination policies
    // redistribute rip
    BgpRedistributionPolicy redistributeRipPolicy = proc.getRedistributionPolicies().get(RoutingProtocol.RIP);
    if (redistributeRipPolicy != null) {
        BooleanExpr weInterior = BooleanExprs.True.toStaticBooleanExpr();
        Conjunction exportRipConditions = new Conjunction();
        exportRipConditions.setComment("Redistribute RIP routes into BGP");
        exportRipConditions.getConjuncts().add(new MatchProtocol(RoutingProtocol.RIP));
        String mapName = redistributeRipPolicy.getRouteMap();
        if (mapName != null) {
            int mapLine = redistributeRipPolicy.getRouteMapLine();
            RouteMap redistributeRipRouteMap = _routeMaps.get(mapName);
            if (redistributeRipRouteMap != null) {
                redistributeRipRouteMap.getReferers().put(proc, "RIP redistribution route-map");
                weInterior = new CallExpr(mapName);
            } else {
                undefined(CiscoStructureType.ROUTE_MAP, mapName, CiscoStructureUsage.BGP_REDISTRIBUTE_RIP_MAP, mapLine);
            }
        }
        BooleanExpr we = bgpRedistributeWithEnvironmentExpr(weInterior, OriginType.INCOMPLETE);
        exportRipConditions.getConjuncts().add(we);
        preFilterConditions.getDisjuncts().add(exportRipConditions);
    }
    // redistribute static
    BgpRedistributionPolicy redistributeStaticPolicy = proc.getRedistributionPolicies().get(RoutingProtocol.STATIC);
    if (redistributeStaticPolicy != null) {
        BooleanExpr weInterior = BooleanExprs.True.toStaticBooleanExpr();
        Conjunction exportStaticConditions = new Conjunction();
        exportStaticConditions.setComment("Redistribute static routes into BGP");
        exportStaticConditions.getConjuncts().add(new MatchProtocol(RoutingProtocol.STATIC));
        String mapName = redistributeStaticPolicy.getRouteMap();
        if (mapName != null) {
            int mapLine = redistributeStaticPolicy.getRouteMapLine();
            RouteMap redistributeStaticRouteMap = _routeMaps.get(mapName);
            if (redistributeStaticRouteMap != null) {
                redistributeStaticRouteMap.getReferers().put(proc, "static redistribution route-map");
                weInterior = new CallExpr(mapName);
            } else {
                undefined(CiscoStructureType.ROUTE_MAP, mapName, CiscoStructureUsage.BGP_REDISTRIBUTE_STATIC_MAP, mapLine);
            }
        }
        BooleanExpr we = bgpRedistributeWithEnvironmentExpr(weInterior, OriginType.INCOMPLETE);
        exportStaticConditions.getConjuncts().add(we);
        preFilterConditions.getDisjuncts().add(exportStaticConditions);
    }
    // redistribute connected
    BgpRedistributionPolicy redistributeConnectedPolicy = proc.getRedistributionPolicies().get(RoutingProtocol.CONNECTED);
    if (redistributeConnectedPolicy != null) {
        BooleanExpr weInterior = BooleanExprs.True.toStaticBooleanExpr();
        Conjunction exportConnectedConditions = new Conjunction();
        exportConnectedConditions.setComment("Redistribute connected routes into BGP");
        exportConnectedConditions.getConjuncts().add(new MatchProtocol(RoutingProtocol.CONNECTED));
        String mapName = redistributeConnectedPolicy.getRouteMap();
        if (mapName != null) {
            int mapLine = redistributeConnectedPolicy.getRouteMapLine();
            RouteMap redistributeConnectedRouteMap = _routeMaps.get(mapName);
            if (redistributeConnectedRouteMap != null) {
                redistributeConnectedRouteMap.getReferers().put(proc, "connected redistribution route-map");
                weInterior = new CallExpr(mapName);
            } else {
                undefined(CiscoStructureType.ROUTE_MAP, mapName, CiscoStructureUsage.BGP_REDISTRIBUTE_CONNECTED_MAP, mapLine);
            }
        }
        BooleanExpr we = bgpRedistributeWithEnvironmentExpr(weInterior, OriginType.INCOMPLETE);
        exportConnectedConditions.getConjuncts().add(we);
        preFilterConditions.getDisjuncts().add(exportConnectedConditions);
    }
    // redistribute ospf
    BgpRedistributionPolicy redistributeOspfPolicy = proc.getRedistributionPolicies().get(RoutingProtocol.OSPF);
    if (redistributeOspfPolicy != null) {
        BooleanExpr weInterior = BooleanExprs.True.toStaticBooleanExpr();
        Conjunction exportOspfConditions = new Conjunction();
        exportOspfConditions.setComment("Redistribute OSPF routes into BGP");
        exportOspfConditions.getConjuncts().add(new MatchProtocol(RoutingProtocol.OSPF));
        String mapName = redistributeOspfPolicy.getRouteMap();
        if (mapName != null) {
            int mapLine = redistributeOspfPolicy.getRouteMapLine();
            RouteMap redistributeOspfRouteMap = _routeMaps.get(mapName);
            if (redistributeOspfRouteMap != null) {
                redistributeOspfRouteMap.getReferers().put(proc, "ospf redistribution route-map");
                weInterior = new CallExpr(mapName);
            } else {
                undefined(CiscoStructureType.ROUTE_MAP, mapName, CiscoStructureUsage.BGP_REDISTRIBUTE_OSPF_MAP, mapLine);
            }
        }
        BooleanExpr we = bgpRedistributeWithEnvironmentExpr(weInterior, OriginType.INCOMPLETE);
        exportOspfConditions.getConjuncts().add(we);
        preFilterConditions.getDisjuncts().add(exportOspfConditions);
    }
    // cause ip peer groups to inherit unset fields from owning named peer
    // group if it exists, and then always from process master peer group
    Set<LeafBgpPeerGroup> leafGroups = new LinkedHashSet<>();
    leafGroups.addAll(proc.getIpPeerGroups().values());
    leafGroups.addAll(proc.getIpv6PeerGroups().values());
    leafGroups.addAll(proc.getDynamicIpPeerGroups().values());
    leafGroups.addAll(proc.getDynamicIpv6PeerGroups().values());
    for (LeafBgpPeerGroup lpg : leafGroups) {
        lpg.inheritUnsetFields(proc, this);
    }
    _unusedPeerGroups = new TreeMap<>();
    int fakePeerCounter = -1;
    // peer groups / peer templates
    for (Entry<String, NamedBgpPeerGroup> e : proc.getNamedPeerGroups().entrySet()) {
        String name = e.getKey();
        NamedBgpPeerGroup namedPeerGroup = e.getValue();
        if (!namedPeerGroup.getInherited()) {
            _unusedPeerGroups.put(name, namedPeerGroup.getDefinitionLine());
            Ip fakeIp = new Ip(fakePeerCounter);
            IpBgpPeerGroup fakePg = new IpBgpPeerGroup(fakeIp);
            fakePg.setGroupName(name);
            fakePg.setActive(false);
            fakePg.setShutdown(true);
            leafGroups.add(fakePg);
            fakePg.inheritUnsetFields(proc, this);
            fakePeerCounter--;
        }
        namedPeerGroup.inheritUnsetFields(proc, this);
    }
    // separate because peer sessions can inherit from other peer sessions
    _unusedPeerSessions = new TreeMap<>();
    int fakeGroupCounter = 1;
    for (NamedBgpPeerGroup namedPeerGroup : proc.getPeerSessions().values()) {
        namedPeerGroup.getParentSession(proc, this).inheritUnsetFields(proc, this);
    }
    for (Entry<String, NamedBgpPeerGroup> e : proc.getPeerSessions().entrySet()) {
        String name = e.getKey();
        NamedBgpPeerGroup namedPeerGroup = e.getValue();
        if (!namedPeerGroup.getInherited()) {
            _unusedPeerSessions.put(name, namedPeerGroup.getDefinitionLine());
            String fakeNamedPgName = "~FAKE_PG_" + fakeGroupCounter + "~";
            NamedBgpPeerGroup fakeNamedPg = new NamedBgpPeerGroup(fakeNamedPgName, -1);
            fakeNamedPg.setPeerSession(name);
            proc.getNamedPeerGroups().put(fakeNamedPgName, fakeNamedPg);
            Ip fakeIp = new Ip(fakePeerCounter);
            IpBgpPeerGroup fakePg = new IpBgpPeerGroup(fakeIp);
            fakePg.setGroupName(fakeNamedPgName);
            fakePg.setActive(false);
            fakePg.setShutdown(true);
            leafGroups.add(fakePg);
            fakePg.inheritUnsetFields(proc, this);
            fakeGroupCounter++;
            fakePeerCounter--;
        }
    }
    // create origination prefilter from listed advertised networks
    proc.getIpNetworks().forEach((prefix, bgpNetwork) -> {
        String mapName = bgpNetwork.getRouteMapName();
        BooleanExpr weExpr = BooleanExprs.True.toStaticBooleanExpr();
        if (mapName != null) {
            int mapLine = bgpNetwork.getRouteMapLine();
            RouteMap routeMap = _routeMaps.get(mapName);
            if (routeMap != null) {
                weExpr = new CallExpr(mapName);
                routeMap.getReferers().put(proc, "bgp ipv4 advertised network route-map");
            } else {
                undefined(CiscoStructureType.ROUTE_MAP, mapName, CiscoStructureUsage.BGP_NETWORK_ORIGINATION_ROUTE_MAP, mapLine);
            }
        }
        BooleanExpr we = bgpRedistributeWithEnvironmentExpr(weExpr, OriginType.IGP);
        Conjunction exportNetworkConditions = new Conjunction();
        PrefixSpace space = new PrefixSpace();
        space.addPrefix(prefix);
        exportNetworkConditions.getConjuncts().add(new MatchPrefixSet(new DestinationNetwork(), new ExplicitPrefixSet(space)));
        exportNetworkConditions.getConjuncts().add(new Not(new MatchProtocol(RoutingProtocol.BGP)));
        exportNetworkConditions.getConjuncts().add(new Not(new MatchProtocol(RoutingProtocol.IBGP)));
        // TODO: ban aggregates?
        exportNetworkConditions.getConjuncts().add(new Not(new MatchProtocol(RoutingProtocol.AGGREGATE)));
        exportNetworkConditions.getConjuncts().add(we);
        preFilterConditions.getDisjuncts().add(exportNetworkConditions);
    });
    String localFilter6Name = "~BGP_NETWORK6_NETWORKS_FILTER:" + vrfName + "~";
    Route6FilterList localFilter6 = new Route6FilterList(localFilter6Name);
    proc.getIpv6Networks().forEach((prefix6, bgpNetwork6) -> {
        int prefixLen = prefix6.getPrefixLength();
        Route6FilterLine line = new Route6FilterLine(LineAction.ACCEPT, prefix6, new SubRange(prefixLen, prefixLen));
        localFilter6.addLine(line);
        String mapName = bgpNetwork6.getRouteMapName();
        if (mapName != null) {
            int mapLine = bgpNetwork6.getRouteMapLine();
            RouteMap routeMap = _routeMaps.get(mapName);
            if (routeMap != null) {
                routeMap.getReferers().put(proc, "bgp ipv6 advertised network route-map");
                BooleanExpr we = bgpRedistributeWithEnvironmentExpr(new CallExpr(mapName), OriginType.IGP);
                Conjunction exportNetwork6Conditions = new Conjunction();
                Prefix6Space space6 = new Prefix6Space();
                space6.addPrefix6(prefix6);
                exportNetwork6Conditions.getConjuncts().add(new MatchPrefix6Set(new DestinationNetwork6(), new ExplicitPrefix6Set(space6)));
                exportNetwork6Conditions.getConjuncts().add(new Not(new MatchProtocol(RoutingProtocol.BGP)));
                exportNetwork6Conditions.getConjuncts().add(new Not(new MatchProtocol(RoutingProtocol.IBGP)));
                // TODO: ban aggregates?
                exportNetwork6Conditions.getConjuncts().add(new Not(new MatchProtocol(RoutingProtocol.AGGREGATE)));
                exportNetwork6Conditions.getConjuncts().add(we);
                preFilterConditions.getDisjuncts().add(exportNetwork6Conditions);
            } else {
                undefined(CiscoStructureType.ROUTE_MAP, mapName, CiscoStructureUsage.BGP_NETWORK6_ORIGINATION_ROUTE_MAP, mapLine);
            }
        }
    });
    c.getRoute6FilterLists().put(localFilter6Name, localFilter6);
    MatchProtocol isEbgp = new MatchProtocol(RoutingProtocol.BGP);
    MatchProtocol isIbgp = new MatchProtocol(RoutingProtocol.IBGP);
    preFilterConditions.getDisjuncts().add(isEbgp);
    preFilterConditions.getDisjuncts().add(isIbgp);
    for (LeafBgpPeerGroup lpg : leafGroups) {
        // update source
        String updateSourceInterface = lpg.getUpdateSource();
        boolean ipv4 = lpg.getNeighborPrefix() != null;
        Ip updateSource = getUpdateSource(c, vrfName, lpg, updateSourceInterface, ipv4);
        RoutingPolicy importPolicy = null;
        String inboundRouteMapName = lpg.getInboundRouteMap();
        if (inboundRouteMapName != null) {
            int inboundRouteMapLine = lpg.getInboundRouteMapLine();
            importPolicy = c.getRoutingPolicies().get(inboundRouteMapName);
            if (importPolicy == null) {
                undefined(CiscoStructureType.ROUTE_MAP, inboundRouteMapName, CiscoStructureUsage.BGP_INBOUND_ROUTE_MAP, inboundRouteMapLine);
            } else {
                RouteMap inboundRouteMap = _routeMaps.get(inboundRouteMapName);
                inboundRouteMap.getReferers().put(lpg, "inbound route-map for leaf peer-group: " + lpg.getName());
            }
        }
        String inboundRoute6MapName = lpg.getInboundRoute6Map();
        RoutingPolicy importPolicy6 = null;
        if (inboundRoute6MapName != null) {
            int inboundRoute6MapLine = lpg.getInboundRoute6MapLine();
            importPolicy6 = c.getRoutingPolicies().get(inboundRoute6MapName);
            if (importPolicy6 == null) {
                undefined(CiscoStructureType.ROUTE_MAP, inboundRoute6MapName, CiscoStructureUsage.BGP_INBOUND_ROUTE6_MAP, inboundRoute6MapLine);
            } else {
                RouteMap inboundRouteMap = _routeMaps.get(inboundRoute6MapName);
                inboundRouteMap.getReferers().put(lpg, "inbound route-map for leaf peer-group: " + lpg.getName());
            }
        }
        String peerExportPolicyName = "~BGP_PEER_EXPORT_POLICY:" + vrfName + ":" + lpg.getName() + "~";
        RoutingPolicy peerExportPolicy = new RoutingPolicy(peerExportPolicyName, c);
        if (lpg.getActive() && !lpg.getShutdown()) {
            c.getRoutingPolicies().put(peerExportPolicyName, peerExportPolicy);
        }
        if (lpg.getNextHopSelf() != null && lpg.getNextHopSelf()) {
            peerExportPolicy.getStatements().add(new SetNextHop(new SelfNextHop(), false));
        }
        if (lpg.getRemovePrivateAs() != null && lpg.getRemovePrivateAs()) {
            peerExportPolicy.getStatements().add(Statements.RemovePrivateAs.toStaticStatement());
        }
        If peerExportConditional = new If();
        peerExportConditional.setComment("peer-export policy main conditional: exitAccept if true / exitReject if false");
        peerExportPolicy.getStatements().add(peerExportConditional);
        Conjunction peerExportConditions = new Conjunction();
        peerExportConditional.setGuard(peerExportConditions);
        peerExportConditional.getTrueStatements().add(Statements.ExitAccept.toStaticStatement());
        peerExportConditional.getFalseStatements().add(Statements.ExitReject.toStaticStatement());
        Disjunction localOrCommonOrigination = new Disjunction();
        peerExportConditions.getConjuncts().add(localOrCommonOrigination);
        localOrCommonOrigination.getDisjuncts().add(new CallExpr(bgpCommonExportPolicyName));
        String outboundRouteMapName = lpg.getOutboundRouteMap();
        if (outboundRouteMapName != null) {
            int outboundRouteMapLine = lpg.getOutboundRouteMapLine();
            RouteMap outboundRouteMap = _routeMaps.get(outboundRouteMapName);
            if (outboundRouteMap == null) {
                undefined(CiscoStructureType.ROUTE_MAP, outboundRouteMapName, CiscoStructureUsage.BGP_OUTBOUND_ROUTE_MAP, outboundRouteMapLine);
            } else {
                outboundRouteMap.getReferers().put(lpg, "outbound route-map for leaf peer-group: " + lpg.getName());
                peerExportConditions.getConjuncts().add(new CallExpr(outboundRouteMapName));
            }
        }
        String outboundRoute6MapName = lpg.getOutboundRoute6Map();
        if (outboundRoute6MapName != null) {
            int outboundRoute6MapLine = lpg.getOutboundRoute6MapLine();
            RouteMap outboundRoute6Map = _routeMaps.get(outboundRoute6MapName);
            if (outboundRoute6Map == null) {
                undefined(CiscoStructureType.ROUTE_MAP, outboundRoute6MapName, CiscoStructureUsage.BGP_OUTBOUND_ROUTE6_MAP, outboundRoute6MapLine);
            } else {
                outboundRoute6Map.getReferers().put(lpg, "outbound ipv6 route-map for leaf peer-group: " + lpg.getName());
            }
        }
        // set up default export policy for this peer group
        GeneratedRoute.Builder defaultRoute = null;
        GeneratedRoute6.Builder defaultRoute6 = null;
        if (lpg.getDefaultOriginate()) {
            if (ipv4) {
                localOrCommonOrigination.getDisjuncts().add(matchDefaultRoute);
            } else {
                localOrCommonOrigination.getDisjuncts().add(matchDefaultRoute6);
            }
            defaultRoute = new GeneratedRoute.Builder();
            defaultRoute.setNetwork(Prefix.ZERO);
            defaultRoute.setAdmin(MAX_ADMINISTRATIVE_COST);
            defaultRoute6 = new GeneratedRoute6.Builder();
            defaultRoute6.setNetwork(Prefix6.ZERO);
            defaultRoute6.setAdmin(MAX_ADMINISTRATIVE_COST);
            String defaultOriginateMapName = lpg.getDefaultOriginateMap();
            if (defaultOriginateMapName != null) {
                // originate contingent on
                // generation policy
                int defaultOriginateMapLine = lpg.getDefaultOriginateMapLine();
                RoutingPolicy defaultRouteGenerationPolicy = c.getRoutingPolicies().get(defaultOriginateMapName);
                if (defaultRouteGenerationPolicy == null) {
                    undefined(CiscoStructureType.ROUTE_MAP, defaultOriginateMapName, CiscoStructureUsage.BGP_DEFAULT_ORIGINATE_ROUTE_MAP, defaultOriginateMapLine);
                } else {
                    RouteMap defaultRouteGenerationRouteMap = _routeMaps.get(defaultOriginateMapName);
                    defaultRouteGenerationRouteMap.getReferers().put(lpg, "default route generation policy for leaf peer-group: " + lpg.getName());
                    defaultRoute.setGenerationPolicy(defaultOriginateMapName);
                }
            } else {
                String defaultRouteGenerationPolicyName = "~BGP_DEFAULT_ROUTE_GENERATION_POLICY:" + vrfName + ":" + lpg.getName() + "~";
                RoutingPolicy defaultRouteGenerationPolicy = new RoutingPolicy(defaultRouteGenerationPolicyName, c);
                If defaultRouteGenerationConditional = new If();
                defaultRouteGenerationPolicy.getStatements().add(defaultRouteGenerationConditional);
                if (ipv4) {
                    defaultRouteGenerationConditional.setGuard(matchDefaultRoute);
                } else {
                    defaultRouteGenerationConditional.setGuard(matchDefaultRoute6);
                }
                defaultRouteGenerationConditional.getTrueStatements().add(Statements.ReturnTrue.toStaticStatement());
                if (lpg.getActive() && !lpg.getShutdown()) {
                    c.getRoutingPolicies().put(defaultRouteGenerationPolicyName, defaultRouteGenerationPolicy);
                }
                if (ipv4) {
                    defaultRoute.setGenerationPolicy(defaultRouteGenerationPolicyName);
                } else {
                    defaultRoute6.setGenerationPolicy(defaultRouteGenerationPolicyName);
                }
            }
        }
        Ip clusterId = lpg.getClusterId();
        if (clusterId == null) {
            clusterId = bgpRouterId;
        }
        boolean routeReflectorClient = lpg.getRouteReflectorClient();
        boolean sendCommunity = lpg.getSendCommunity();
        boolean additionalPathsReceive = lpg.getAdditionalPathsReceive();
        boolean additionalPathsSelectAll = lpg.getAdditionalPathsSelectAll();
        boolean additionalPathsSend = lpg.getAdditionalPathsSend();
        boolean advertiseInactive = lpg.getAdvertiseInactive();
        boolean ebgpMultihop = lpg.getEbgpMultihop();
        boolean allowasIn = lpg.getAllowAsIn();
        boolean disablePeerAsCheck = lpg.getDisablePeerAsCheck();
        String inboundPrefixListName = lpg.getInboundPrefixList();
        if (inboundPrefixListName != null) {
            int inboundPrefixListLine = lpg.getInboundPrefixListLine();
            ReferenceCountedStructure inboundPrefixList;
            if (ipv4) {
                inboundPrefixList = _prefixLists.get(inboundPrefixListName);
            } else {
                inboundPrefixList = _prefix6Lists.get(inboundPrefixListName);
            }
            if (inboundPrefixList != null) {
                inboundPrefixList.getReferers().put(lpg, "inbound prefix-list for neighbor: '" + lpg.getName() + "'");
            } else {
                if (ipv4) {
                    undefined(CiscoStructureType.PREFIX_LIST, inboundPrefixListName, CiscoStructureUsage.BGP_INBOUND_PREFIX_LIST, inboundPrefixListLine);
                } else {
                    undefined(CiscoStructureType.PREFIX6_LIST, inboundPrefixListName, CiscoStructureUsage.BGP_INBOUND_PREFIX6_LIST, inboundPrefixListLine);
                }
            }
        }
        String outboundPrefixListName = lpg.getOutboundPrefixList();
        if (outboundPrefixListName != null) {
            int outboundPrefixListLine = lpg.getOutboundPrefixListLine();
            ReferenceCountedStructure outboundPrefixList;
            if (ipv4) {
                outboundPrefixList = _prefixLists.get(outboundPrefixListName);
            } else {
                outboundPrefixList = _prefix6Lists.get(outboundPrefixListName);
            }
            if (outboundPrefixList != null) {
                outboundPrefixList.getReferers().put(lpg, "outbound prefix-list for neighbor: '" + lpg.getName() + "'");
            } else {
                if (ipv4) {
                    undefined(CiscoStructureType.PREFIX_LIST, outboundPrefixListName, CiscoStructureUsage.BGP_OUTBOUND_PREFIX_LIST, outboundPrefixListLine);
                } else {
                    undefined(CiscoStructureType.PREFIX6_LIST, outboundPrefixListName, CiscoStructureUsage.BGP_OUTBOUND_PREFIX6_LIST, outboundPrefixListLine);
                }
            }
        }
        String description = lpg.getDescription();
        if (lpg.getActive() && !lpg.getShutdown()) {
            if (lpg.getRemoteAs() == null) {
                _w.redFlag("No remote-as set for peer: " + lpg.getName());
                continue;
            }
            Integer pgLocalAs = lpg.getLocalAs();
            int localAs = pgLocalAs != null ? pgLocalAs : proc.getName();
            BgpNeighbor newNeighbor;
            if (lpg instanceof IpBgpPeerGroup) {
                IpBgpPeerGroup ipg = (IpBgpPeerGroup) lpg;
                Ip neighborAddress = ipg.getIp();
                newNeighbor = new BgpNeighbor(neighborAddress, c);
            } else if (lpg instanceof DynamicIpBgpPeerGroup) {
                DynamicIpBgpPeerGroup dpg = (DynamicIpBgpPeerGroup) lpg;
                Prefix neighborAddressRange = dpg.getPrefix();
                newNeighbor = new BgpNeighbor(neighborAddressRange, c);
            } else if (lpg instanceof Ipv6BgpPeerGroup || lpg instanceof DynamicIpv6BgpPeerGroup) {
                // TODO: implement ipv6 bgp neighbors
                continue;
            } else {
                throw new VendorConversionException("Invalid BGP leaf neighbor type");
            }
            newBgpNeighbors.put(newNeighbor.getPrefix(), newNeighbor);
            newNeighbor.setAdditionalPathsReceive(additionalPathsReceive);
            newNeighbor.setAdditionalPathsSelectAll(additionalPathsSelectAll);
            newNeighbor.setAdditionalPathsSend(additionalPathsSend);
            newNeighbor.setAdvertiseInactive(advertiseInactive);
            newNeighbor.setAllowLocalAsIn(allowasIn);
            newNeighbor.setAllowRemoteAsOut(disablePeerAsCheck);
            newNeighbor.setRouteReflectorClient(routeReflectorClient);
            newNeighbor.setClusterId(clusterId.asLong());
            newNeighbor.setDefaultMetric(defaultMetric);
            newNeighbor.setDescription(description);
            newNeighbor.setEbgpMultihop(ebgpMultihop);
            if (defaultRoute != null) {
                newNeighbor.getGeneratedRoutes().add(defaultRoute.build());
            }
            newNeighbor.setGroup(lpg.getGroupName());
            if (importPolicy != null) {
                newNeighbor.setImportPolicy(inboundRouteMapName);
            }
            newNeighbor.setLocalAs(localAs);
            newNeighbor.setLocalIp(updateSource);
            newNeighbor.setExportPolicy(peerExportPolicyName);
            newNeighbor.setRemoteAs(lpg.getRemoteAs());
            newNeighbor.setSendCommunity(sendCommunity);
            newNeighbor.setVrf(vrfName);
        }
    }
    return newBgpProcess;
}

Example 4 with VendorConversionException

use of org.batfish.common.VendorConversionException in project batfish by batfish.

the class PsThenCommunityDelete method applyTo.

@Override
public void applyTo(List<Statement> statements, JuniperConfiguration juniperVendorConfiguration, Configuration c, Warnings warnings) {
    CommunityList namedList = _configuration.getCommunityLists().get(_name);
    if (namedList == null) {
        warnings.redFlag("Reference to undefined community: \"" + _name + "\"");
    } else {
        org.batfish.datamodel.CommunityList list = c.getCommunityLists().get(_name);
        if (list == null) {
            throw new VendorConversionException("missing community list: \"" + _name + "\"");
        }
        statements.add(new DeleteCommunity(new NamedCommunitySet(_name)));
    }
}