*/
package org.opendaylight.netvirt.vpnmanager;
+import com.google.common.base.Optional;
import com.google.common.util.concurrent.SettableFuture;
import org.opendaylight.controller.md.sal.binding.api.DataBroker;
+import org.opendaylight.netvirt.bgpmanager.api.IBgpManager;
import org.opendaylight.netvirt.fibmanager.api.IFibManager;
import org.opendaylight.netvirt.fibmanager.api.RouteOrigin;
+import org.opendaylight.netvirt.vpnmanager.intervpnlink.InterVpnLinkUtil;
+import org.opendaylight.netvirt.vpnmanager.utilities.InterfaceUtils;
import org.opendaylight.yang.gen.v1.urn.opendaylight.genius.idmanager.rev160406.IdManagerService;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.vpn.rpc.rev160201.*;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.netvirt.inter.vpn.link.rev160311.inter.vpn.links.InterVpnLink;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
+import java.math.BigInteger;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
+import java.util.List;
import java.util.concurrent.Future;
public class VpnRpcServiceImpl implements VpnRpcService {
private final IdManagerService idManager;
private final VpnInterfaceManager vpnInterfaceMgr;
private IFibManager fibManager;
+ private IBgpManager bgpManager;
public VpnRpcServiceImpl(final DataBroker dataBroker, final IdManagerService idManager,
- final VpnInterfaceManager vpnIfaceMgr, final IFibManager fibManager) {
+ final VpnInterfaceManager vpnIfaceMgr, final IFibManager fibManager, IBgpManager bgpManager) {
this.dataBroker = dataBroker;
this.idManager = idManager;
this.vpnInterfaceMgr = vpnIfaceMgr;
this.fibManager = fibManager;
+ this.bgpManager = bgpManager;
}
public void setFibManager(IFibManager fibMgr) {
return result;
}
- InterVpnLink interVpnLink = VpnUtil.getInterVpnLinkByEndpointIp(dataBroker, nexthop);
- if ( interVpnLink != null ) {
- // A static route pointing to an InterVpnLink endpoint: just write the VrfEntry
- fibManager.addOrUpdateFibEntry(dataBroker, vpnRd, destination, Arrays.asList(nexthop), label.intValue(), RouteOrigin.STATIC, null);
+ Optional<InterVpnLink> interVpnLink = InterVpnLinkUtil.getInterVpnLinkByEndpointIp(dataBroker, nexthop);
+ if ( interVpnLink.isPresent() ) {
+ // A static route pointing to an InterVpnLink endpoint: write the VrfEntry and inform DC-GW
+ LOG.debug("addStaticRoute: Writing FibEntry to DS: vpnRd={}, prefix={}, label={}, nexthop={} (interVpnLink)",
+ vpnRd, destination, label, nexthop);
+ fibManager.addOrUpdateFibEntry(dataBroker, vpnRd, destination, Arrays.asList(nexthop), label.intValue(),
+ RouteOrigin.STATIC, null);
+
+ // The nexthop list to advertise to BGP contains the list of IPs of those DPNs where the
+ // endpoint has been instantiated
+ List<String> nexthopList = new ArrayList<String>();
+ List<BigInteger> dpns = InterVpnLinkUtil.getVpnLinkEndpointDPNsByIp(dataBroker, nexthop);
+ for ( BigInteger dpnId : dpns ) {
+ nexthopList.add(InterfaceUtils.getEndpointIpAddressForDPN(dataBroker, dpnId));
+ }
+ try {
+ LOG.debug("addStaticRoute:advertise IVpnLink route to BGP: vpnRd={}, prefix={}, label={}, nexthops={}",
+ vpnRd, destination, label, nexthopList);
+ bgpManager.advertisePrefix(vpnRd, destination, nexthopList, label.intValue());
+ } catch (Exception e) {
+ String errMsg = "Could not advertise route [vpn=" + vpnRd + ", prefix=" + destination + ", label="
+ + label + ", nexthops=" + nexthopList + ", ] to BGP. Reason: " + e;
+ LOG.warn("Could not advertise route [vpn={}, prefix={}, label={}, nexthops={}] to BGP. Reason: ",
+ vpnRd, destination, label, nexthopList, e);
+ result.set(RpcResultBuilder.<AddStaticRouteOutput>failed().withError(ErrorType.APPLICATION, errMsg)
+ .build());
+ }
} else {
vpnInterfaceMgr.addExtraRoute(destination, nexthop, vpnRd, null /*routerId */, label.intValue(),
null /* intfName */);
return result;
}
- InterVpnLink interVpnLink = VpnUtil.getInterVpnLinkByEndpointIp(dataBroker, nexthop);
- if ( interVpnLink != null ) {
- // A static route pointing to an InterVpnLink endpoint: just remove the VrfEntry from DS
+ Optional<InterVpnLink> optVpnLink = InterVpnLinkUtil.getInterVpnLinkByEndpointIp(dataBroker, nexthop);
+ if ( optVpnLink.isPresent() ) {
fibManager.removeOrUpdateFibEntry(dataBroker, vpnRd, destination, nexthop, null);
+ try {
+ bgpManager.withdrawPrefix(vpnRd, destination);
+ } catch (Exception e) {
+ LOG.warn("Could not withdraw route [vpn={} prefix={}] to BGP. Reason:", vpnRd, destination, e);
+ }
} else {
vpnInterfaceMgr.delExtraRoute(destination, nexthop, vpnRd, null /*routerId*/, null /*intfName*/);
}
return new VpnBuilder().setKey(new VpnKey(vrfId)).setVrfId(vrfId).build();
}
- /**
- * Retrieves the Instance Identifier that points to an InterVpnLink object
- * in MDSL
- *
- * @param vpnLinkName The name of the InterVpnLink
- * @return The requested InstanceIdentifier
- */
- public static InstanceIdentifier<InterVpnLinkState> getInterVpnLinkStateIid(String vpnLinkName) {
- return InstanceIdentifier.builder(InterVpnLinkStates.class).child(InterVpnLinkState.class, new InterVpnLinkStateKey(vpnLinkName)).build();
- }
-
- /**
- * Get inter-VPN link state
- *
- * @param broker dataBroker service reference
- * @param vpnLinkName The name of the InterVpnLink
- * @return the object that contains the State of the specified InterVpnLink
- */
- public static InterVpnLinkState getInterVpnLinkState(DataBroker broker, String vpnLinkName) {
- InstanceIdentifier<InterVpnLinkState> vpnLinkStateIid = VpnUtil.getInterVpnLinkStateIid(vpnLinkName);
- Optional<InterVpnLinkState> vpnLinkState = VpnUtil.read(broker, LogicalDatastoreType.CONFIGURATION,
- vpnLinkStateIid);
- if (vpnLinkState.isPresent()) {
- return vpnLinkState.get();
- }
- return null;
- }
-
/**
* Get VRF table given a Route Distinguisher
*
}
}
- /**
- * Retrieves all configured InterVpnLinks
- *
- * @param broker dataBroker service reference
- * @return the list of InterVpnLinks
- */
- public static List<InterVpnLink> getAllInterVpnLinks(DataBroker broker) {
- InstanceIdentifier<InterVpnLinks> interVpnLinksIid = InstanceIdentifier.builder(InterVpnLinks.class).build();
-
- Optional<InterVpnLinks> interVpnLinksOpData = MDSALUtil.read(broker, LogicalDatastoreType.CONFIGURATION,
- interVpnLinksIid);
-
- return (interVpnLinksOpData.isPresent()) ? interVpnLinksOpData.get().getInterVpnLink()
- : new ArrayList<InterVpnLink>();
- }
-
- /**
- * Retrieves the list of DPNs where the endpoint of a VPN in an InterVPNLink was instantiated
- *
- * @param broker dataBroker service reference
- * @param vpnLinkName the name of the InterVpnLink
- * @param vpnUuid UUID of the VPN whose endpoint to be checked
- * @return the list of DPN Ids
- */
- public static List<BigInteger> getVpnLinkEndpointDPNs(DataBroker broker, String vpnLinkName, String vpnUuid) {
- InterVpnLinkState interVpnLinkState = getInterVpnLinkState(broker, vpnLinkName);
- if (interVpnLinkState.getFirstEndpointState().getVpnUuid().getValue().equals(vpnUuid)) {
- return interVpnLinkState.getFirstEndpointState().getDpId();
- } else {
- return interVpnLinkState.getSecondEndpointState().getDpId();
- }
- }
-
- /**
- * Retrieves an InterVpnLink by searching by one of its endpoint's IP.
- *
- * @param broker dataBroker service reference
- * @param endpointIp IP to serch for.
- * @return the InterVpnLink or null if no InterVpnLink can be found
- */
- public static InterVpnLink getInterVpnLinkByEndpointIp(DataBroker broker, String endpointIp) {
- List<InterVpnLink> allInterVpnLinks = getAllInterVpnLinks(broker);
- for (InterVpnLink interVpnLink : allInterVpnLinks) {
- if (interVpnLink.getFirstEndpoint().getIpAddress().getValue().equals(endpointIp)
- || interVpnLink.getSecondEndpoint().getIpAddress().getValue().equals(endpointIp)) {
- return interVpnLink;
- }
- }
- return null;
- }
-
- /**
- * Retrieves the InterVpnLink that has one of its 2 endpoints installed in
- * the specified DpnId
- *
- * @param broker dataBroker service reference
- * @param dpnId Id of the DPN
- * @return The InterVpnLink object if found, Optional.absent() otherwise
- */
- public static Optional<InterVpnLink> getInterVpnLinkByDpnId(DataBroker broker, BigInteger dpnId) {
- List<InterVpnLink> allInterVpnLinks = getAllInterVpnLinks(broker);
- for (InterVpnLink interVpnLink : allInterVpnLinks) {
- InterVpnLinkState interVpnLinkState = getInterVpnLinkState(broker, interVpnLink.getName());
- if ( ( interVpnLinkState != null )
- && ( interVpnLinkState.getFirstEndpointState().getDpId().contains(dpnId)
- || interVpnLinkState.getSecondEndpointState().getDpId().contains(dpnId) ) ) {
- return Optional.fromNullable(interVpnLink);
- }
- }
- return Optional.absent();
- }
-
- /**
- * Leaks a route from one VPN to another. By default, the origin for this leaked route is INTERVPN
- *
- * @param broker dataBroker service reference
- * @param bgpManager Used to advertise routes to the BGP Router
- * @param interVpnLink Reference to the object that holds the info about the link between the 2 VPNs
- * @param srcVpnUuid UUID of the VPN that has the route that is going to be leaked to the other VPN
- * @param dstVpnUuid UUID of the VPN that is going to receive the route
- * @param prefix Prefix of the route
- * @param label Label of the route in the original VPN
- */
- public static void leakRoute(DataBroker broker, IBgpManager bgpManager, InterVpnLink interVpnLink,
- String srcVpnUuid, String dstVpnUuid, String prefix, Long label) {
- leakRoute(broker, bgpManager, interVpnLink, srcVpnUuid, dstVpnUuid, prefix, label, RouteOrigin.INTERVPN);
- }
-
- /**
- * Leaks a route from one VPN to another.
- *
- * @param broker dataBroker service reference
- * @param bgpManager Used to advertise routes to the BGP Router
- * @param interVpnLink Reference to the object that holds the info about the link between the 2 VPNs
- * @param srcVpnUuid UUID of the VPN that has the route that is going to be leaked to the other VPN
- * @param dstVpnUuid UUID of the VPN that is going to receive the route
- * @param prefix Prefix of the route
- * @param label Label of the route in the original VPN
- * @param forcedOrigin By default, origin for leaked routes should be INTERVPN, however it is possible to
- * provide a different origin if desired.
- */
- public static void leakRoute(DataBroker broker, IBgpManager bgpManager, InterVpnLink interVpnLink,
- String srcVpnUuid, String dstVpnUuid, String prefix, Long label,
- RouteOrigin forcedOrigin) {
- Preconditions.checkNotNull(interVpnLink);
-
- // The source VPN must participate in the InterVpnLink
- Preconditions.checkArgument(interVpnLink.getFirstEndpoint().getVpnUuid().getValue().equals(srcVpnUuid)
- || interVpnLink.getSecondEndpoint().getVpnUuid().getValue().equals(srcVpnUuid),
- "The source VPN {} does not participate in the interVpnLink {}",
- srcVpnUuid, interVpnLink.getName());
- // The destination VPN must participate in the InterVpnLink
- Preconditions.checkArgument(interVpnLink.getFirstEndpoint().getVpnUuid().getValue().equals(dstVpnUuid)
- || interVpnLink.getSecondEndpoint().getVpnUuid().getValue().equals(dstVpnUuid),
- "The destination VPN {} does not participate in the interVpnLink {}",
- dstVpnUuid, interVpnLink.getName());
-
- boolean destinationIs1stEndpoint = interVpnLink.getFirstEndpoint().getVpnUuid().getValue().equals(dstVpnUuid);
-
- String endpointIp = (destinationIs1stEndpoint) ? interVpnLink.getSecondEndpoint().getIpAddress().getValue()
- : interVpnLink.getFirstEndpoint().getIpAddress().getValue();
-
- VrfEntry newVrfEntry = new VrfEntryBuilder().setKey(new VrfEntryKey(prefix)).setDestPrefix(prefix)
- .setLabel(label).setNextHopAddressList(Arrays.asList(endpointIp))
- .setOrigin(RouteOrigin.INTERVPN.getValue())
- .build();
-
- String dstVpnRd = getVpnRd(broker, dstVpnUuid);
- InstanceIdentifier<VrfEntry> newVrfEntryIid =
- InstanceIdentifier.builder(FibEntries.class)
- .child(VrfTables.class, new VrfTablesKey(dstVpnRd))
- .child(VrfEntry.class, new VrfEntryKey(newVrfEntry.getDestPrefix()))
- .build();
- asyncWrite(broker, LogicalDatastoreType.CONFIGURATION, newVrfEntryIid, newVrfEntry);
-
- // Finally, route is advertised it to the DC-GW. But while in the FibEntries the nexthop is the other
- // endpoint's IP, in the DC-GW the nexthop for those prefixes are the IPs of those DPNs where the target
- // VPN has been instantiated
- List<String> ecmpNexthops = new ArrayList<String>();
- InterVpnLinkState vpnLinkState = getInterVpnLinkState(broker, interVpnLink.getName());
- List<BigInteger> dpnIdList = (destinationIs1stEndpoint) ? vpnLinkState.getFirstEndpointState().getDpId()
- : vpnLinkState.getSecondEndpointState().getDpId();
- List<String> nexthops = new ArrayList<String>();
- for (BigInteger dpnId : dpnIdList) {
- nexthops.add(InterfaceUtils.getEndpointIpAddressForDPN(broker, dpnId));
- }
- try {
- bgpManager.advertisePrefix(dstVpnRd, newVrfEntry.getDestPrefix(), nexthops, label.intValue());
- } catch (Exception exc) {
- LOG.error("Could not advertise prefix {} with label {} to VPN rd={}",
- newVrfEntry.getDestPrefix(), label.intValue(), dstVpnRd);
- }
- }
-
-
/**
* Retrieves the ids of the currently operative DPNs
*
*/
package org.opendaylight.netvirt.vpnmanager.intervpnlink;
+import com.google.common.base.Optional;
import com.google.common.base.Preconditions;
import com.google.common.util.concurrent.FutureCallback;
import com.google.common.util.concurrent.Futures;
int numberOfDpns = Integer.getInteger(NBR_OF_DPNS_PROPERTY_NAME, 1);
// Create VpnLink state
- InstanceIdentifier<InterVpnLinkState> vpnLinkStateIid = VpnUtil.getInterVpnLinkStateIid(add.getName());
+ InstanceIdentifier<InterVpnLinkState> vpnLinkStateIid = InterVpnLinkUtil.getInterVpnLinkStateIid(add.getName());
InterVpnLinkState vpnLinkState = new InterVpnLinkStateBuilder().setInterVpnLinkName(add.getName()).build();
MDSALUtil.syncWrite(dataBroker, LogicalDatastoreType.CONFIGURATION, vpnLinkStateIid, vpnLinkState);
long label = VpnUtil.getUniqueId(idManager, VpnConstants.VPN_IDPOOL_NAME,
VpnUtil.getNextHopLabelKey(dstVpnRd, vrfEntry.getDestPrefix()));
- VpnUtil.leakRoute(dataBroker, bgpManager, vpnLink, srcVpnUuid, dstVpnUuid,
- vrfEntry.getDestPrefix(), label);
+ InterVpnLinkUtil.leakRoute(dataBroker, bgpManager, vpnLink, srcVpnUuid, dstVpnUuid, vrfEntry.getDestPrefix(),
+ label);
}
}
long label = VpnUtil.getUniqueId(idManager, VpnConstants.VPN_IDPOOL_NAME,
VpnUtil.getNextHopLabelKey(vpn1Rd, vrfEntry.getDestPrefix()));
- VpnUtil.leakRoute(dataBroker, bgpManager, vpnLink, vpn2Uuid, vpn1Uuid, vrfEntry.getDestPrefix(),
+ InterVpnLinkUtil.leakRoute(dataBroker, bgpManager, vpnLink, vpn2Uuid, vpn1Uuid, vrfEntry.getDestPrefix(),
label, RouteOrigin.value(vrfEntry.getOrigin()));
}
}
private boolean checkVpnAvailability(InterVpnLinkKey key, Uuid vpnId) {
Preconditions.checkNotNull(vpnId);
- List<InterVpnLink> interVpnLinks = VpnUtil.getAllInterVpnLinks(dataBroker);
+ List<InterVpnLink> interVpnLinks = InterVpnLinkUtil.getAllInterVpnLinks(dataBroker);
if ( interVpnLinks != null ) {
for (InterVpnLink interVpnLink : interVpnLinks) {
if (!key.equals(interVpnLink.getKey())
VpnUtil.removeVrfEntriesByOrigin(dataBroker, rd2, RouteOrigin.INTERVPN);
VpnUtil.removeVrfEntriesByNexthop(dataBroker, rd2, del.getFirstEndpoint().getIpAddress().getValue());
- InterVpnLinkState interVpnLinkState = VpnUtil.getInterVpnLinkState(dataBroker, del.getName());
- Long firstEndpointLportTag = interVpnLinkState.getFirstEndpointState().getLportTag();
- Long secondEndpointLportTag = interVpnLinkState.getSecondEndpointState().getLportTag();
- removeVpnLinkEndpointFlows(del.getName(), rd1, vpn1Uuid, interVpnLinkState.getFirstEndpointState().getDpId(),
- secondEndpointLportTag.intValue(),
- del.getSecondEndpoint().getIpAddress().getValue());
- removeVpnLinkEndpointFlows(del.getName(), rd2, vpn2Uuid, interVpnLinkState.getSecondEndpointState().getDpId(),
- firstEndpointLportTag.intValue(), del.getFirstEndpoint().getIpAddress().getValue());
+ Optional<InterVpnLinkState> optIVpnLinkState = InterVpnLinkUtil.getInterVpnLinkState(dataBroker, del.getName());
+ if ( optIVpnLinkState.isPresent() ) {
+ InterVpnLinkState interVpnLinkState = optIVpnLinkState.get();
+ Long firstEndpointLportTag = interVpnLinkState.getFirstEndpointState().getLportTag();
+ Long secondEndpointLportTag = interVpnLinkState.getSecondEndpointState().getLportTag();
+ removeVpnLinkEndpointFlows(del.getName(), rd1, vpn1Uuid,
+ interVpnLinkState.getFirstEndpointState().getDpId(),
+ secondEndpointLportTag.intValue(),
+ del.getSecondEndpoint().getIpAddress().getValue());
+ removeVpnLinkEndpointFlows(del.getName(), rd2, vpn2Uuid,
+ interVpnLinkState.getSecondEndpointState().getDpId(),
+ firstEndpointLportTag.intValue(),
+ del.getFirstEndpoint().getIpAddress().getValue());
+ }
// Release idManager with LPortTag associated to endpoints
LOG.debug("Releasing InterVpnLink {} endpoints LportTags", del.getName());
// Remove it in that case.
// Removing the InterVpnLinkState
- InstanceIdentifier<InterVpnLinkState> interVpnLinkStateIid = VpnUtil.getInterVpnLinkStateIid(del.getName());
+ InstanceIdentifier<InterVpnLinkState> interVpnLinkStateIid = InterVpnLinkUtil.getInterVpnLinkStateIid(del.getName());
VpnUtil.delete(dataBroker, LogicalDatastoreType.CONFIGURATION, interVpnLinkStateIid);
}
package org.opendaylight.netvirt.vpnmanager.intervpnlink;
import com.google.common.base.Optional;
+import com.google.common.base.Preconditions;
import org.opendaylight.controller.md.sal.binding.api.DataBroker;
import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
import org.opendaylight.genius.mdsalutil.*;
import org.opendaylight.genius.mdsalutil.interfaces.IMdsalApiManager;
import org.opendaylight.genius.utils.ServiceIndex;
+import org.opendaylight.netvirt.bgpmanager.api.IBgpManager;
+import org.opendaylight.netvirt.fibmanager.api.RouteOrigin;
import org.opendaylight.netvirt.vpnmanager.VpnConstants;
import org.opendaylight.netvirt.vpnmanager.VpnUtil;
+import org.opendaylight.netvirt.vpnmanager.utilities.InterfaceUtils;
import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.inventory.rev130819.tables.table.Flow;
import org.opendaylight.yang.gen.v1.urn.opendaylight.flow.types.rev131026.instruction.list.Instruction;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.FibEntries;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.fibentries.VrfTables;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.fibentries.VrfTablesKey;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.vrfentries.VrfEntry;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.vrfentries.VrfEntryBuilder;
+import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.fibmanager.rev150330.vrfentries.VrfEntryKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.netvirt.l3vpn.rev130911.vpn.instance.op.data.VpnInstanceOpDataEntry;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.netvirt.inter.vpn.link.rev160311.InterVpnLinkStates;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.netvirt.inter.vpn.link.rev160311.InterVpnLinks;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.netvirt.inter.vpn.link.rev160311.inter.vpn.link.states.InterVpnLinkState;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.netvirt.inter.vpn.link.rev160311.inter.vpn.link.states.InterVpnLinkStateBuilder;
+
+import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.netvirt.inter.vpn.link.rev160311.inter.vpn
+ .link.states.InterVpnLinkStateKey;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.netvirt.inter.vpn.link.rev160311.inter.vpn.link.states.inter.vpn.link.state.FirstEndpointState;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.netvirt.inter.vpn.link.rev160311.inter.vpn.link.states.inter.vpn.link.state.SecondEndpointState;
import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.netvirt.inter.vpn.link.rev160311.inter.vpn.links.InterVpnLink;
*
*/
public class InterVpnLinkUtil {
+
private static final Logger LOG = LoggerFactory.getLogger(InterVpnLinkUtil.class);
+ /**
+ * Retrieves the Instance Identifier that points to an InterVpnLink object
+ * in MDSL
+ *
+ * @param iVpnLinkName The name of the InterVpnLink
+ * @return The requested InstanceIdentifier
+ */
+ public static InstanceIdentifier<InterVpnLink> getInterVpnLinkPath(String iVpnLinkName) {
+ return InstanceIdentifier.builder(InterVpnLinks.class)
+ .child(InterVpnLink.class, new InterVpnLinkKey(iVpnLinkName))
+ .build();
+ }
+
+ /**
+ * Retrieves the Instance Identifier that points to an InterVpnLinkState object
+ * in MDSL
+ *
+ * @param vpnLinkName The name of the InterVpnLink
+ * @return The requested InstanceIdentifier
+ */
+ public static InstanceIdentifier<InterVpnLinkState> getInterVpnLinkStateIid(String vpnLinkName) {
+ return InstanceIdentifier.builder(InterVpnLinkStates.class)
+ .child(InterVpnLinkState.class, new InterVpnLinkStateKey(vpnLinkName))
+ .build();
+ }
+
/**
* Updates VpnToDpn map by adding a fake VpnInterface related to an
* InterVpnLink in the corresponding DPNs
if ( vpnInstOpData.isPresent() ) {
for (BigInteger dpnId : dpnList) {
String linkIfaceName = String.format("InterVpnLink.%s.%s", vpnUuid.getValue(), dpnId.toString());
- VpnUtil.mergeDpnInVpnToDpnMap(broker, vpnInstOpData.get(), dpnId,
- Arrays.asList(linkIfaceName));
+ VpnUtil.mergeDpnInVpnToDpnMap(broker, vpnInstOpData.get(), dpnId, Arrays.asList(linkIfaceName));
}
}
}
public static Optional<InterVpnLink> getInterVpnLinkByName(DataBroker broker, String vpnLinkName) {
InstanceIdentifier<InterVpnLink> interVpnLinksIid =
InstanceIdentifier.builder(InterVpnLinks.class)
- .child(InterVpnLink.class, new InterVpnLinkKey(vpnLinkName)).build();
+ .child(InterVpnLink.class, new InterVpnLinkKey(vpnLinkName)).build();
return VpnUtil.read(broker, LogicalDatastoreType.CONFIGURATION, interVpnLinksIid);
}
public static void updateInterVpnLinkState(DataBroker broker, String vpnLinkName, InterVpnLinkState.State state,
FirstEndpointState newFirstEndpointState,
SecondEndpointState newSecondEndpointState) {
- InterVpnLinkState oldVpnLinkState = VpnUtil.getInterVpnLinkState(broker, vpnLinkName);
- InterVpnLinkState newVpnLinkState =
- new InterVpnLinkStateBuilder(oldVpnLinkState).setState(state)
- .setFirstEndpointState(newFirstEndpointState)
- .setSecondEndpointState(newSecondEndpointState).build();
- VpnUtil.syncUpdate(broker, LogicalDatastoreType.CONFIGURATION, VpnUtil.getInterVpnLinkStateIid(vpnLinkName),
- newVpnLinkState);
+ Optional<InterVpnLinkState> optOldVpnLinkState = getInterVpnLinkState(broker, vpnLinkName);
+ if ( optOldVpnLinkState.isPresent() ) {
+ InterVpnLinkState newVpnLinkState =
+ new InterVpnLinkStateBuilder(optOldVpnLinkState.get()).setState(state)
+ .setFirstEndpointState(newFirstEndpointState)
+ .setSecondEndpointState(newSecondEndpointState)
+ .build();
+ VpnUtil.syncUpdate(broker, LogicalDatastoreType.CONFIGURATION,
+ InterVpnLinkUtil.getInterVpnLinkStateIid(vpnLinkName), newVpnLinkState);
+ } else {
+ InterVpnLinkState newIVpnLinkState =
+ new InterVpnLinkStateBuilder().setKey(new InterVpnLinkStateKey(vpnLinkName))
+ .setInterVpnLinkName(vpnLinkName)
+ .setFirstEndpointState(newFirstEndpointState)
+ .setSecondEndpointState(newSecondEndpointState)
+ .setState(InterVpnLinkState.State.Active)
+ .build();
+ VpnUtil.syncWrite(broker, LogicalDatastoreType.CONFIGURATION,
+ InterVpnLinkUtil.getInterVpnLinkStateIid(vpnLinkName), newIVpnLinkState);
+ }
}
/**
}
}
- /**
- * Builds a Flow to be installed into LPortDispatcher table, that matches on
- * SI=2 + vpnLinkEndpointPseudoPortTag and sends to FIB
- *
- * @param interVpnLinkName The name of the InterVpnLink
- * @param vpnId Dataplane identifier of the VPN, the Vrf Tag.
- * @param lportTag DataPlane identifier of the LogicalPort.
- * @return the Flow ready to be installed
- */
- public static Flow buildLPortDispatcherFlow(String interVpnLinkName, long vpnId, int lportTag) {
- LOG.info("Inter-vpn-link : buildLPortDispatcherFlow. vpnId {} lportTag {} ", vpnId, lportTag);
- List<MatchInfo> matches = Arrays.asList(new MatchInfo(MatchFieldType.metadata,
- new BigInteger[] {
- MetaDataUtil.getMetaDataForLPortDispatcher(lportTag,
- ServiceIndex.getIndex(NwConstants.L3VPN_SERVICE_NAME, NwConstants.L3VPN_SERVICE_INDEX)),
- MetaDataUtil.getMetaDataMaskForLPortDispatcher() }));
- String flowRef = getLportDispatcherFlowRef(interVpnLinkName, lportTag);
- Flow lPortDispatcherFlow = MDSALUtil.buildFlowNew(NwConstants.LPORT_DISPATCHER_TABLE, flowRef,
- VpnConstants.DEFAULT_LPORT_DISPATCHER_FLOW_PRIORITY, flowRef,
- 0, 0, VpnUtil.getCookieL3((int) vpnId), matches,
- buildLportDispatcherTableInstructions(vpnId));
- return lPortDispatcherFlow;
- }
-
- /**
- * Builds a flowRef to be assigned to the flow to be installed into
- * LPortDispatcher table
- *
- * @param interVpnLinkName The name of the InterVpnLink
- * @param lportTag Dataplane identifier of the LogicalPort
- * @return the flow reference string
- */
- public static String getLportDispatcherFlowRef(String interVpnLinkName, Integer lportTag) {
- String flowRef = new StringBuffer().append(VpnConstants.FLOWID_PREFIX).append("INTERVPNLINK")
- .append(NwConstants.FLOWID_SEPARATOR).append(interVpnLinkName)
- .append(NwConstants.FLOWID_SEPARATOR).append(lportTag)
- .append(NwConstants.FLOWID_SEPARATOR).append(ServiceIndex.getIndex(NwConstants.L3VPN_SERVICE_NAME, NwConstants.L3VPN_SERVICE_INDEX))
- .append(NwConstants.FLOWID_SEPARATOR).append(VpnConstants.DEFAULT_LPORT_DISPATCHER_FLOW_PRIORITY)
- .toString();
- return flowRef;
- }
-
-
- public static List<Instruction> buildLportDispatcherTableInstructions (long vpnId) {
- int instructionKey = 0;
- List<Instruction> instructions = new ArrayList<Instruction>();
- instructions.add(MDSALUtil.buildAndGetWriteMetadaInstruction(MetaDataUtil.getVpnIdMetadata(vpnId),
- MetaDataUtil.METADATA_MASK_VRFID,
- ++instructionKey));
- instructions.add(MDSALUtil.buildAndGetGotoTableInstruction(NwConstants.L3_FIB_TABLE, ++instructionKey));
-
- return instructions;
- }
-
- /**
- * Retrieves the States of all InterVpnLinks
- *
- * @param broker dataBroker service reference
- * @return the list of objects that holds the InterVpnLink state information
- */
- public static List<InterVpnLinkState> getAllInterVpnLinkState(DataBroker broker) {
- InstanceIdentifier<InterVpnLinkStates> interVpnLinkStateIid = InstanceIdentifier.builder(InterVpnLinkStates.class).build();
-
- Optional<InterVpnLinkStates> interVpnLinkStateOpData = MDSALUtil.read(broker, LogicalDatastoreType.CONFIGURATION,
- interVpnLinkStateIid);
-
- return (interVpnLinkStateOpData.isPresent()) ? interVpnLinkStateOpData.get().getInterVpnLinkState()
- : new ArrayList<InterVpnLinkState>();
- }
+ /**
+ * Builds a Flow to be installed into LPortDispatcher table, that matches on
+ * SI=2 + vpnLinkEndpointPseudoPortTag and sends to FIB
+ *
+ * @param interVpnLinkName The name of the InterVpnLink
+ * @param vpnId Dataplane identifier of the VPN, the Vrf Tag.
+ * @param lportTag DataPlane identifier of the LogicalPort.
+ * @return the Flow ready to be installed
+ */
+ public static Flow buildLPortDispatcherFlow(String interVpnLinkName, long vpnId, int lportTag) {
+ LOG.info("Inter-vpn-link : buildLPortDispatcherFlow. vpnId {} lportTag {} ", vpnId, lportTag);
+ List<MatchInfo> matches = Arrays.asList(new MatchInfo(MatchFieldType.metadata,
+ new BigInteger[] {
+ MetaDataUtil.getMetaDataForLPortDispatcher(lportTag,
+ ServiceIndex.getIndex(NwConstants.L3VPN_SERVICE_NAME, NwConstants.L3VPN_SERVICE_INDEX)),
+ MetaDataUtil.getMetaDataMaskForLPortDispatcher() }));
+ String flowRef = getLportDispatcherFlowRef(interVpnLinkName, lportTag);
+ Flow lPortDispatcherFlow = MDSALUtil.buildFlowNew(NwConstants.LPORT_DISPATCHER_TABLE, flowRef,
+ VpnConstants.DEFAULT_LPORT_DISPATCHER_FLOW_PRIORITY, flowRef,
+ 0, 0, VpnUtil.getCookieL3((int) vpnId), matches,
+ buildLportDispatcherTableInstructions(vpnId));
+ return lPortDispatcherFlow;
+ }
+
+ /**
+ * Builds a flowRef to be assigned to the flow to be installed into
+ * LPortDispatcher table
+ *
+ * @param interVpnLinkName The name of the InterVpnLink
+ * @param lportTag Dataplane identifier of the LogicalPort
+ * @return the flow reference string
+ */
+ public static String getLportDispatcherFlowRef(String interVpnLinkName, Integer lportTag) {
+ String flowRef = new StringBuffer().append(VpnConstants.FLOWID_PREFIX).append("INTERVPNLINK")
+ .append(NwConstants.FLOWID_SEPARATOR).append(interVpnLinkName)
+ .append(NwConstants.FLOWID_SEPARATOR).append(lportTag)
+ .append(NwConstants.FLOWID_SEPARATOR).append(ServiceIndex.getIndex(NwConstants.L3VPN_SERVICE_NAME, NwConstants.L3VPN_SERVICE_INDEX))
+ .append(NwConstants.FLOWID_SEPARATOR)
+ .append(VpnConstants.DEFAULT_LPORT_DISPATCHER_FLOW_PRIORITY)
+ .toString();
+ return flowRef;
+ }
+
+
+ public static List<Instruction> buildLportDispatcherTableInstructions (long vpnId) {
+ int instructionKey = 0;
+ List<Instruction> instructions = new ArrayList<Instruction>();
+ instructions.add(MDSALUtil.buildAndGetWriteMetadaInstruction(MetaDataUtil.getVpnIdMetadata(vpnId),
+ MetaDataUtil.METADATA_MASK_VRFID,
+ ++instructionKey));
+ instructions.add(MDSALUtil.buildAndGetGotoTableInstruction(NwConstants.L3_FIB_TABLE, ++instructionKey));
+
+ return instructions;
+ }
+
+ /**
+ * Retrieves the States of all InterVpnLinks
+ *
+ * @param broker dataBroker service reference
+ * @return the list of objects that holds the InterVpnLink state information
+ */
+ public static List<InterVpnLinkState> getAllInterVpnLinkState(DataBroker broker) {
+ InstanceIdentifier<InterVpnLinkStates> interVpnLinkStateIid =
+ InstanceIdentifier.builder(InterVpnLinkStates.class).build();
+
+ Optional<InterVpnLinkStates> interVpnLinkStateOpData =
+ MDSALUtil.read(broker, LogicalDatastoreType.CONFIGURATION, interVpnLinkStateIid);
+
+ return (interVpnLinkStateOpData.isPresent()) ? interVpnLinkStateOpData.get().getInterVpnLinkState()
+ : new ArrayList<InterVpnLinkState>();
+ }
+
+ /**
+ * Retrieves the State of an InterVpnLink
+ *
+ * @param broker dataBroker service reference
+ * @param iVpnLinkName The name of the InterVpnLink
+ * @return the object that contains the State of the specified InterVpnLink
+ * or Optional.absent() if it doesnt exist
+ */
+ public static Optional<InterVpnLinkState> getInterVpnLinkState(DataBroker broker, String iVpnLinkName) {
+ return MDSALUtil.read(broker, LogicalDatastoreType.CONFIGURATION, getInterVpnLinkStateIid(iVpnLinkName));
+ }
+
+ /**
+ * Checks if the specified InterVpnLink is currently Active
+ *
+ * @param broker dataBroker service reference
+ * @param iVpnLinkName The name of the InterVpnLink
+ * @return true if the InterVpnLink is Active
+ */
+ public static boolean isInterVpnLinkActive(DataBroker broker, String iVpnLinkName) {
+ Optional<InterVpnLinkState> optIVpnLinkState = getInterVpnLinkState(broker, iVpnLinkName);
+ if ( ! optIVpnLinkState.isPresent() ) {
+ return false;
+ }
+ InterVpnLinkState iVpnLinkState = optIVpnLinkState.get();
+ return iVpnLinkState.getState() == InterVpnLinkState.State.Active;
+ }
+
+ /**
+ * Retrieves an InterVpnLink by searching by one of its endpoint's IP.
+ *
+ * @param broker dataBroker service reference
+ * @param endpointIp IP to serch for.
+ * @return the InterVpnLink or null if no InterVpnLink can be found
+ */
+ public static Optional<InterVpnLink> getInterVpnLinkByEndpointIp(DataBroker broker, String endpointIp) {
+ List<InterVpnLink> allInterVpnLinks = InterVpnLinkUtil.getAllInterVpnLinks(broker);
+ for (InterVpnLink interVpnLink : allInterVpnLinks) {
+ if (interVpnLink.getFirstEndpoint().getIpAddress().getValue().equals(endpointIp)
+ || interVpnLink.getSecondEndpoint().getIpAddress().getValue().equals(endpointIp)) {
+ return Optional.of(interVpnLink);
+ }
+ }
+ return Optional.absent();
+ }
+
+
+ /**
+ * Retrieves the InterVpnLink that has one of its 2 endpoints installed in
+ * the specified DpnId
+ *
+ * @param broker dataBroker service reference
+ * @param dpnId Id of the DPN
+ * @return The InterVpnLink object if found, Optional.absent() otherwise
+ */
+ public static Optional<InterVpnLink> getInterVpnLinkByDpnId(DataBroker broker, BigInteger dpnId) {
+ List<InterVpnLink> allInterVpnLinks = InterVpnLinkUtil.getAllInterVpnLinks(broker);
+ for (InterVpnLink interVpnLink : allInterVpnLinks) {
+ Optional<InterVpnLinkState> optInterVpnLinkState = getInterVpnLinkState(broker, interVpnLink.getName());
+ if ( optInterVpnLinkState.isPresent()
+ && ( optInterVpnLinkState.get().getFirstEndpointState().getDpId().contains(dpnId)
+ || optInterVpnLinkState.get().getSecondEndpointState().getDpId().contains(dpnId) ) ) {
+ return Optional.fromNullable(interVpnLink);
+ }
+ }
+ return Optional.absent();
+ }
+ /**
+ * Retrieves all configured InterVpnLinks
+ *
+ * @param broker dataBroker service reference
+ * @return the list of InterVpnLinks
+ */
+ public static List<InterVpnLink> getAllInterVpnLinks(DataBroker broker) {
+ InstanceIdentifier<InterVpnLinks> interVpnLinksIid = InstanceIdentifier.builder(InterVpnLinks.class).build();
+
+ Optional<InterVpnLinks> interVpnLinksOpData =
+ MDSALUtil.read(broker, LogicalDatastoreType.CONFIGURATION, interVpnLinksIid);
+
+ return (interVpnLinksOpData.isPresent()) ? interVpnLinksOpData.get().getInterVpnLink()
+ : new ArrayList<InterVpnLink>();
+ }
+
+ /**
+ * Retrieves the list of DPNs where the endpoint of a VPN in an InterVPNLink was instantiated
+ *
+ * @param broker dataBroker service reference
+ * @param vpnLinkName the name of the InterVpnLink
+ * @param vpnUuid UUID of the VPN whose endpoint to be checked
+ * @return the list of DPN Ids
+ */
+ public static List<BigInteger> getVpnLinkEndpointDPNs(DataBroker broker, String vpnLinkName, String vpnUuid) {
+ Optional<InterVpnLinkState> interVpnLinkState = getInterVpnLinkState(broker, vpnLinkName);
+ if ( interVpnLinkState.isPresent()) {
+ if (interVpnLinkState.get().getFirstEndpointState().getVpnUuid().getValue().equals(vpnUuid)) {
+ return interVpnLinkState.get().getFirstEndpointState().getDpId();
+ } else {
+ return interVpnLinkState.get().getSecondEndpointState().getDpId();
+ }
+ } else {
+ LOG.trace("Could not find InterVpnLinkState for interVpnLink {}", vpnLinkName);
+ return new ArrayList<BigInteger>();
+ }
+ }
+ /**
+ * Retrieves the list of DPNs where the endpoint of a VPN in an InterVPNLink was instantiated
+ *
+ * @param broker dataBroker service reference
+ * @param endpointIp Ip of the endpoint specified in the InterVpnLink
+ * @return the list of DPN Ids
+ */
+ public static List<BigInteger> getVpnLinkEndpointDPNsByIp(DataBroker broker, String endpointIp) {
+ Optional<InterVpnLink> optIVpnLink = getInterVpnLinkByEndpointIp(broker, endpointIp);
+ if ( optIVpnLink.isPresent() ) {
+ InterVpnLink iVpnLink = optIVpnLink.get();
+ boolean isFirstEndpoint = iVpnLink.getFirstEndpoint().getIpAddress().getValue().equals(endpointIp);
+ return isFirstEndpoint ? getVpnLinkEndpointDPNs(broker, iVpnLink.getName(),
+ iVpnLink.getFirstEndpoint().getVpnUuid().getValue())
+ : getVpnLinkEndpointDPNs(broker, iVpnLink.getName(),
+ iVpnLink.getSecondEndpoint().getVpnUuid().getValue());
+ } else {
+ LOG.trace("Could not find an InterVpnLink with endpoint IpAddr={}", endpointIp);
+ return new ArrayList<BigInteger>();
+ }
+ }
+
+
+ /**
+ * Leaks a route from one VPN to another. By default, the origin for this leaked route is INTERVPN
+ *
+ * @param broker dataBroker service reference
+ * @param bgpManager Used to advertise routes to the BGP Router
+ * @param interVpnLink Reference to the object that holds the info about the link between the 2 VPNs
+ * @param srcVpnUuid UUID of the VPN that has the route that is going to be leaked to the other VPN
+ * @param dstVpnUuid UUID of the VPN that is going to receive the route
+ * @param prefix Prefix of the route
+ * @param label Label of the route in the original VPN
+ */
+ public static void leakRoute(DataBroker broker, IBgpManager bgpManager, InterVpnLink interVpnLink,
+ String srcVpnUuid, String dstVpnUuid, String prefix, Long label) {
+ leakRoute(broker, bgpManager, interVpnLink, srcVpnUuid, dstVpnUuid, prefix, label, RouteOrigin.INTERVPN);
+ }
+
+ /**
+ * Leaks a route from one VPN to another.
+ *
+ * @param broker dataBroker service reference
+ * @param bgpManager Used to advertise routes to the BGP Router
+ * @param interVpnLink Reference to the object that holds the info about the link between the 2 VPNs
+ * @param srcVpnUuid UUID of the VPN that has the route that is going to be leaked to the other VPN
+ * @param dstVpnUuid UUID of the VPN that is going to receive the route
+ * @param prefix Prefix of the route
+ * @param label Label of the route in the original VPN
+ * @param forcedOrigin By default, origin for leaked routes should be INTERVPN, however it is possible to
+ * provide a different origin if desired.
+ */
+ public static void leakRoute(DataBroker broker, IBgpManager bgpManager, InterVpnLink interVpnLink,
+ String srcVpnUuid, String dstVpnUuid, String prefix, Long label,
+ RouteOrigin forcedOrigin) {
+ Preconditions.checkNotNull(interVpnLink);
+
+ // The source VPN must participate in the InterVpnLink
+ Preconditions.checkArgument(interVpnLink.getFirstEndpoint().getVpnUuid().getValue().equals(srcVpnUuid)
+ || interVpnLink.getSecondEndpoint().getVpnUuid().getValue().equals(srcVpnUuid),
+ "The source VPN {} does not participate in the interVpnLink {}",
+ srcVpnUuid, interVpnLink.getName());
+ // The destination VPN must participate in the InterVpnLink
+ Preconditions.checkArgument(interVpnLink.getFirstEndpoint().getVpnUuid().getValue().equals(dstVpnUuid)
+ || interVpnLink.getSecondEndpoint().getVpnUuid().getValue().equals(dstVpnUuid),
+ "The destination VPN {} does not participate in the interVpnLink {}",
+ dstVpnUuid, interVpnLink.getName());
+
+ boolean destinationIs1stEndpoint = interVpnLink.getFirstEndpoint().getVpnUuid().getValue().equals(dstVpnUuid);
+
+ String endpointIp = (destinationIs1stEndpoint) ? interVpnLink.getSecondEndpoint().getIpAddress().getValue()
+ : interVpnLink.getFirstEndpoint().getIpAddress().getValue();
+
+ VrfEntry newVrfEntry = new VrfEntryBuilder().setKey(new VrfEntryKey(prefix)).setDestPrefix(prefix)
+ .setLabel(label).setNextHopAddressList(Arrays.asList(endpointIp))
+ .setOrigin(RouteOrigin.INTERVPN.getValue())
+ .build();
+
+ String dstVpnRd = VpnUtil.getVpnRd(broker, dstVpnUuid);
+ InstanceIdentifier<VrfEntry> newVrfEntryIid =
+ InstanceIdentifier.builder(FibEntries.class)
+ .child(VrfTables.class, new VrfTablesKey(dstVpnRd))
+ .child(VrfEntry.class, new VrfEntryKey(newVrfEntry.getDestPrefix()))
+ .build();
+ VpnUtil.asyncWrite(broker, LogicalDatastoreType.CONFIGURATION, newVrfEntryIid, newVrfEntry);
+
+ // Finally, route is advertised it to the DC-GW. But while in the FibEntries the nexthop is the other
+ // endpoint's IP, in the DC-GW the nexthop for those prefixes are the IPs of those DPNs where the target
+ // VPN has been instantiated
+ Optional<InterVpnLinkState> optVpnLinkState = getInterVpnLinkState(broker, interVpnLink.getName());
+ if ( optVpnLinkState.isPresent() ) {
+ InterVpnLinkState vpnLinkState = optVpnLinkState.get();
+ List<BigInteger> dpnIdList = (destinationIs1stEndpoint) ? vpnLinkState.getFirstEndpointState().getDpId()
+ : vpnLinkState.getSecondEndpointState().getDpId();
+ List<String> nexthops = new ArrayList<String>();
+ for (BigInteger dpnId : dpnIdList) {
+ nexthops.add(InterfaceUtils.getEndpointIpAddressForDPN(broker, dpnId));
+ }
+ try {
+ LOG.debug("Advertising route in VPN={} [prefix={} label={} nexthops={}] to DC-GW",
+ dstVpnRd, newVrfEntry.getDestPrefix(), label.intValue(), nexthops);
+ bgpManager.advertisePrefix(dstVpnRd, newVrfEntry.getDestPrefix(), nexthops, label.intValue());
+ } catch (Exception exc) {
+ LOG.error("Could not advertise prefix {} with label {} to VPN rd={}",
+ newVrfEntry.getDestPrefix(), label.intValue(), dstVpnRd);
+ }
+ } else {
+ LOG.warn("Error when advertising leaked routes: Could not find State for InterVpnLink={}",
+ interVpnLink.getName());
+ }
+ }
}