Examples with Bgp org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.Bgp used on opensource projects

Example 1 with Bgp

use of org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.Bgp in project netvirt by opendaylight.

the class VpnInterfaceManager method updateVpnInterfaceOnTepDelete.

// TODO Clean up the exception handling
@SuppressWarnings("checkstyle:IllegalCatch")
public void updateVpnInterfaceOnTepDelete(VpnInterfaceOpDataEntry vpnInterface, StateTunnelList stateTunnelList, WriteTransaction writeConfigTxn, WriteTransaction writeOperTxn) {
    AdjacenciesOp adjacencies = vpnInterface.getAugmentation(AdjacenciesOp.class);
    List<Adjacency> adjList = adjacencies != null ? adjacencies.getAdjacency() : new ArrayList<>();
    String prefix = null;
    long label = 0;
    boolean isNextHopRemoveReqd = false;
    String srcTepIp = String.valueOf(stateTunnelList.getSrcInfo().getTepIp().getValue());
    BigInteger srcDpnId = new BigInteger(stateTunnelList.getSrcInfo().getTepDeviceId());
    String vpnName = vpnInterface.getVpnInstanceName();
    long vpnId = VpnUtil.getVpnId(dataBroker, vpnName);
    String primaryRd = VpnUtil.getVpnRd(dataBroker, vpnName);
    if (adjList != null) {
        List<Adjacency> value = new ArrayList<>();
        LOG.info("updateVpnInterfaceOnTepDelete: AdjacencyList for interface {} on dpn {} vpn {} is {}", vpnInterface.getName(), vpnInterface.getDpnId(), vpnInterface.getVpnInstanceName(), adjList);
        for (Adjacency adj : adjList) {
            List<String> nhList = new ArrayList<>();
            String rd = adj.getVrfId();
            rd = rd != null ? rd : vpnName;
            prefix = adj.getIpAddress();
            List<String> nextHopList = adj.getNextHopIpList();
            label = adj.getLabel();
            if (nextHopList != null && !nextHopList.isEmpty()) {
                isNextHopRemoveReqd = true;
            }
            // Secondary adj nexthop will continue to point to primary adj IP address.
            if (adj.getAdjacencyType() == AdjacencyType.PrimaryAdjacency) {
                value.add(new AdjacencyBuilder(adj).setNextHopIpList(nhList).build());
            } else {
                Optional<VrfEntry> vrfEntryOptional = FibHelper.getVrfEntry(dataBroker, primaryRd, prefix);
                if (!vrfEntryOptional.isPresent()) {
                    continue;
                }
                nhList = FibHelper.getNextHopListFromRoutePaths(vrfEntryOptional.get());
                if (nhList.contains(srcTepIp)) {
                    nhList.remove(srcTepIp);
                    isNextHopRemoveReqd = true;
                }
                value.add(adj);
            }
            if (isNextHopRemoveReqd) {
                updateLabelMapper(label, nhList);
                LOG.info("updateVpnInterfaceOnTepDelete: Updated label mapper : label {} dpn {} prefix {}" + " nexthoplist {} vpn {} vpnid {} rd {} interface {}", label, srcDpnId, prefix, nhList, vpnName, vpnId, rd, vpnInterface.getName());
                // Update the VRF entry with removed nextHop
                fibManager.updateRoutePathForFibEntry(primaryRd, prefix, srcTepIp, label, false, writeConfigTxn);
                // Get the list of VPN's importing this route(prefix) .
                // Then update the VRF entry with nhList
                List<VpnInstanceOpDataEntry> vpnsToImportRoute = VpnUtil.getVpnsImportingMyRoute(dataBroker, vpnName);
                for (VpnInstanceOpDataEntry vpn : vpnsToImportRoute) {
                    String vpnRd = vpn.getVrfId();
                    if (vpnRd != null) {
                        fibManager.updateRoutePathForFibEntry(vpnRd, prefix, srcTepIp, label, false, writeConfigTxn);
                        LOG.info("updateVpnInterfaceOnTepDelete: Exported route with rd {} prefix {} nhList {}" + " label {} interface {} dpn {} from vpn {} to VPN {} vpnRd {}", rd, prefix, nhList, label, vpnInterface.getName(), srcDpnId, vpnName, vpn.getVpnInstanceName(), vpnRd);
                    }
                }
                // Withdraw prefix from BGP only for external vpn.
                try {
                    if (!rd.equalsIgnoreCase(vpnName)) {
                        bgpManager.withdrawPrefix(rd, prefix);
                    }
                    LOG.info("updateVpnInterfaceOnTepDelete: Withdrawn rd {} prefix {} nhList {} label {}" + " for interface {} on dpn {} vpn {}", rd, prefix, nhList, label, vpnInterface.getName(), srcDpnId, vpnName);
                } catch (Exception ex) {
                    LOG.error("updateVpnInterfaceOnTepDelete: Exception when withdrawing prefix {} nh {} label {}" + " on rd {} for interface {} on dpn {} vpn {}", prefix, nhList, label, rd, vpnInterface.getName(), srcDpnId, vpnName, ex);
                }
            }
        }
        AdjacenciesOp aug = VpnUtil.getVpnInterfaceOpDataEntryAugmentation(value);
        VpnInterfaceOpDataEntry opInterface = new VpnInterfaceOpDataEntryBuilder(vpnInterface).setKey(new VpnInterfaceOpDataEntryKey(vpnInterface.getName(), vpnName)).addAugmentation(AdjacenciesOp.class, aug).build();
        InstanceIdentifier<VpnInterfaceOpDataEntry> interfaceId = VpnUtil.getVpnInterfaceOpDataEntryIdentifier(vpnInterface.getName(), vpnName);
        writeOperTxn.put(LogicalDatastoreType.OPERATIONAL, interfaceId, opInterface, WriteTransaction.CREATE_MISSING_PARENTS);
        LOG.info("updateVpnInterfaceOnTepDelete: interface {} updated successully on tep delete on dpn {} vpn {}", vpnInterface.getName(), srcDpnId, vpnName);
    }
}

Example 2 with Bgp

use of org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.Bgp in project netvirt by opendaylight.

the class BgpConfigurationManager method delVrf.

public boolean delVrf(String rd, AddressFamily addressFamily) {
    if (addressFamily == null) {
        LOG.error("delVrf: vrf {}, addressFamily invalid", rd);
        return false;
    }
    AddressFamiliesVrfBuilder adfBuilder = new AddressFamiliesVrfBuilder();
    if (addressFamily.equals(AddressFamily.IPV4)) {
        adfBuilder.setAfi((long) af_afi.AFI_IP.getValue());
        adfBuilder.setSafi((long) af_safi.SAFI_MPLS_VPN.getValue());
    } else if (addressFamily.equals(AddressFamily.IPV6)) {
        adfBuilder.setAfi((long) af_afi.AFI_IPV6.getValue());
        adfBuilder.setSafi((long) af_safi.SAFI_MPLS_VPN.getValue());
    } else if (addressFamily.equals(AddressFamily.L2VPN)) {
        adfBuilder.setAfi((long) af_afi.AFI_IP.getValue());
        adfBuilder.setSafi((long) af_safi.SAFI_EVPN.getValue());
    }
    Vrfs vrfOriginal = bgpUtil.getVrfFromRd(rd);
    if (vrfOriginal == null) {
        LOG.error("delVrf: no vrf with existing rd {}. step aborted", rd);
        return false;
    }
    InstanceIdentifier.InstanceIdentifierBuilder<Vrfs> iib = InstanceIdentifier.builder(Bgp.class).child(Vrfs.class, new VrfsKey(rd));
    InstanceIdentifier<Vrfs> iid = iib.build();
    @SuppressWarnings("static-access") InstanceIdentifier<Bgp> iid6 = iid.builder(Bgp.class).build().child(Multipath.class, new MultipathKey(adfBuilder.getAfi(), adfBuilder.getSafi())).create(Bgp.class);
    InstanceIdentifierBuilder<Vrfs> iib3 = iid6.child(Vrfs.class, new VrfsKey(rd)).builder();
    InstanceIdentifier<Vrfs> iidFinal = iib3.build();
    // ** update or delete the vrfs with the rest of AddressFamilies already present in the last list
    AddressFamiliesVrf adfToDel = adfBuilder.build();
    List<AddressFamiliesVrf> adfListOriginal = vrfOriginal.getAddressFamiliesVrf() == null ? new ArrayList<>() : vrfOriginal.getAddressFamiliesVrf();
    List<AddressFamiliesVrf> adfListToRemoveFromOriginal = new ArrayList<>();
    adfListOriginal.forEach(adf -> {
        if (adf.equals(adfToDel)) {
            adfListToRemoveFromOriginal.add(adfToDel);
            return;
        }
    });
    for (AddressFamiliesVrf adfToRemove : adfListToRemoveFromOriginal) {
        adfListOriginal.remove(adfToRemove);
        try {
            SingleTransactionDataBroker.syncWrite(dataBroker, LogicalDatastoreType.CONFIGURATION, iid, vrfOriginal);
        } catch (TransactionCommitFailedException e) {
            LOG.error("delVrf: Error updating VRF to datastore", e);
            throw new RuntimeException(e);
        }
    }
    if (adfListOriginal.isEmpty()) {
        delete(iidFinal);
        return true;
    }
    // not all is removed
    return false;
}

Example 3 with Bgp

use of org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.Bgp in project netvirt by opendaylight.

the class BgpConfigurationManager method deleteExternalFibRoutes.

/*
     * BGP config remove scenario, Need to remove all the
     * external routes from FIB.
     */
public void deleteExternalFibRoutes() {
    totalExternalRoutes = 0;
    totalExternalMacRoutes = 0;
    try {
        InstanceIdentifier<FibEntries> id = InstanceIdentifier.create(FibEntries.class);
        Optional<FibEntries> fibEntries = SingleTransactionDataBroker.syncReadOptional(dataBroker, LogicalDatastoreType.CONFIGURATION, id);
        if (fibEntries.isPresent()) {
            if (fibEntries.get().getVrfTables() == null) {
                LOG.error("deleteExternalFibRoutes::getVrfTables is null");
                return;
            }
            List<VrfTables> staleVrfTables = fibEntries.get().getVrfTables();
            for (VrfTables vrfTable : staleVrfTables) {
                String rd = vrfTable.getRouteDistinguisher();
                if (vrfTable.getVrfEntry() != null) {
                    for (VrfEntry vrfEntry : vrfTable.getVrfEntry()) {
                        if (RouteOrigin.value(vrfEntry.getOrigin()) != RouteOrigin.BGP) {
                            // route cleanup is only meant for the routes learned through BGP.
                            continue;
                        }
                        totalExternalRoutes++;
                        fibDSWriter.removeFibEntryFromDS(rd, vrfEntry.getDestPrefix());
                    }
                } else if (vrfTable.getMacVrfEntry() != null) {
                    for (MacVrfEntry macEntry : vrfTable.getMacVrfEntry()) {
                        if (RouteOrigin.value(macEntry.getOrigin()) != RouteOrigin.BGP) {
                            // route cleanup is only meant for the routes learned through BGP.
                            continue;
                        }
                        totalExternalMacRoutes++;
                        fibDSWriter.removeMacEntryFromDS(rd, macEntry.getMac());
                    }
                }
            }
        } else {
            LOG.error("deleteExternalFibRoutes:: FIBentries.class is not present");
        }
    } catch (ReadFailedException e) {
        LOG.error("deleteExternalFibRoutes:: error ", e);
    }
    LOG.debug("deleted {} fib entries {} mac entries", totalExternalRoutes, totalExternalMacRoutes);
}

Example 4 with Bgp

use of org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.Bgp in project netvirt by opendaylight.

the class BgpManager method getDCGwIP.

@Override
public String getDCGwIP() {
    Bgp conf = bcm.getConfig();
    if (conf == null) {
        return null;
    }
    List<Neighbors> nbrs = conf.getNeighbors();
    if (nbrs == null) {
        return null;
    }
    return nbrs.get(0).getAddress().getValue();
}

Example 5 with Bgp

use of org.opendaylight.yang.gen.v1.urn.ericsson.params.xml.ns.yang.ebgp.rev150901.Bgp in project netvirt by opendaylight.

the class ConfigureBgpCli method stopBgp.

private void stopBgp() {
    Bgp conf = bgpManager.getConfig();
    if (conf == null) {
        return;
    }
    List<Neighbors> nbrs = conf.getNeighbors();
    if (nbrs != null && nbrs.size() > 0) {
        session.getConsole().println("error: all BGP congiguration must be deleted before stopping the router instance");
        return;
    }
    bgpManager.stopBgp();
}