diff options
Diffstat (limited to 'vbd/impl/src/main/java/io/fd/honeycomb/vbd/impl/VppModifier.java')
| -rw-r--r-- | vbd/impl/src/main/java/io/fd/honeycomb/vbd/impl/VppModifier.java | 204 |
1 files changed, 204 insertions, 0 deletions
diff --git a/vbd/impl/src/main/java/io/fd/honeycomb/vbd/impl/VppModifier.java b/vbd/impl/src/main/java/io/fd/honeycomb/vbd/impl/VppModifier.java new file mode 100644 index 000000000..142272b82 --- /dev/null +++ b/vbd/impl/src/main/java/io/fd/honeycomb/vbd/impl/VppModifier.java @@ -0,0 +1,204 @@ +/** + * Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved. + * <p> + * This program and the accompanying materials are made available under the + * terms of the Eclipse Public License v1.0 which accompanies this distribution, + * and is available at http://www.eclipse.org/legal/epl-v10.html + */ +package io.fd.honeycomb.vbd.impl; + +import com.google.common.base.Optional; +import com.google.common.util.concurrent.CheckedFuture; +import com.google.common.util.concurrent.FutureCallback; +import com.google.common.util.concurrent.Futures; +import com.google.common.util.concurrent.ListenableFuture; +import com.google.common.util.concurrent.SettableFuture; +import java.util.ArrayList; +import java.util.List; +import javax.annotation.Nullable; +import org.opendaylight.controller.md.sal.binding.api.DataBroker; +import org.opendaylight.controller.md.sal.binding.api.MountPoint; +import org.opendaylight.controller.md.sal.binding.api.MountPointService; +import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction; +import org.opendaylight.controller.md.sal.binding.api.WriteTransaction; +import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType; +import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException; +import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.Ipv4AddressNoZone; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.Interfaces; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceBuilder; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.InterfaceKey; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.Interface1; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.Ipv4; +import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.ip.rev140616.interfaces._interface.ipv4.Address; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.VppInterfaceAugmentation; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.VppInterfaceAugmentationBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.VxlanTunnel; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.interfaces._interface.Vxlan; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.v3po.rev150105.interfaces._interface.VxlanBuilder; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vbridge.topology.rev160129.TopologyVbridgeAugment; +import org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vbridge.topology.rev160129.network.topology.topology.TunnelParameters; +import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.Node; +import org.opendaylight.yang.gen.v1.urn.tbd.params.xml.ns.yang.network.topology.rev131021.network.topology.topology.NodeKey; +import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; +import org.opendaylight.yangtools.yang.binding.KeyedInstanceIdentifier; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; + +/** + * Class which is used for manipulation with VPP + */ +public class VppModifier { + private static final Long DEFAULT_ENCAP_VRF_ID = 0L; + + private static final Logger LOG = LoggerFactory.getLogger(BridgeDomain.class); + private final MountPointService mountService; + private TopologyVbridgeAugment config; + + + public VppModifier(final MountPointService mountService) { + this.mountService = mountService; + } + /** + * Tryies to read ipv4 addresses from all specified {@code iiToVpps } vpps. + * + * @param iiToVpps collection of instance identifiers which points to concrete mount points. + * @return future which contains list of ip addreases in the same order as was specified in {@code iiToVpps} + */ + ListenableFuture<List<Optional<Ipv4AddressNoZone>>> readIpAddressesFromVpps(final KeyedInstanceIdentifier<Node, NodeKey>... iiToVpps) { + final List<ListenableFuture<Optional<Ipv4AddressNoZone>>> ipv4Futures = new ArrayList<>(); + for (final KeyedInstanceIdentifier<Node, NodeKey> iiToVpp : iiToVpps) { + ipv4Futures.add(readIpAddressFromVpp(iiToVpp)); + } + return Futures.successfulAsList(ipv4Futures); + } + + /** + * Passes through interfaces at mount point specified via {@code iiToVpp}. + * + * When first ipv4 address is found then it is returned. + * + * @param iiToVpp instance idenfifier which point to mounted vpp + * @return if set ipv4 address is found at mounted vpp then it is returned as future. Otherwise absent value is returned + * in future or exception which has been thrown + */ + private ListenableFuture<Optional<Ipv4AddressNoZone>> readIpAddressFromVpp(final KeyedInstanceIdentifier<Node, NodeKey> iiToVpp) { + final SettableFuture<Optional<Ipv4AddressNoZone>> resultFuture = SettableFuture.create(); + + final DataBroker vppDataBroker = resolveDataBrokerForMountPoint(iiToVpp); + if (vppDataBroker != null) { + final ReadOnlyTransaction rTx = vppDataBroker.newReadOnlyTransaction(); + final CheckedFuture<Optional<Interfaces>, ReadFailedException> interfaceStateFuture + = rTx.read(LogicalDatastoreType.CONFIGURATION, InstanceIdentifier.create(Interfaces.class)); + + Futures.addCallback(interfaceStateFuture, new FutureCallback<Optional<Interfaces>>() { + @Override + public void onSuccess(final Optional<Interfaces> optInterfaces) { + if (optInterfaces.isPresent()) { + for (org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.interfaces.rev140508.interfaces.Interface intf : optInterfaces.get().getInterface()) { + final Interface1 interface1 = intf.getAugmentation(Interface1.class); + if (interface1 != null) { + final Ipv4 ipv4 = interface1.getIpv4(); + if (ipv4 != null) { + final List<Address> addresses = ipv4.getAddress(); + if (!addresses.isEmpty()) { + final Ipv4AddressNoZone ip = addresses.iterator().next().getIp(); + if (ip != null) { + resultFuture.set(Optional.of(ip)); + break; + } + } + } + } + } + } else { + LOG.debug("There is no inferface with ipv4 address set at VPP {}.", iiToVpp); + resultFuture.set(Optional.<Ipv4AddressNoZone>absent()); + } + } + + @Override + public void onFailure(Throwable t) { + resultFuture.setException(t); + } + }); + } else { + LOG.debug("Data broker for vpp {} is missing.", iiToVpp); + resultFuture.set(Optional.<Ipv4AddressNoZone>absent()); + } + return resultFuture; + } + + void createVirtualInterfaceOnVpp(final Ipv4AddressNoZone ipSrc, final Ipv4AddressNoZone ipDst, final KeyedInstanceIdentifier<Node, NodeKey> iiToVpp) { + final Vxlan vxlanData = prepareVxlan(ipSrc, ipDst); + final Interface intfData = prepareVirtualInterfaceData(vxlanData); + + final DataBroker vppDataBroker = resolveDataBrokerForMountPoint(iiToVpp); + if (vppDataBroker != null) { + final WriteTransaction wTx = vppDataBroker.newWriteOnlyTransaction(); + final KeyedInstanceIdentifier<Interface, InterfaceKey> iiToInterface + = InstanceIdentifier.create(Interfaces.class).child(Interface.class, new InterfaceKey(BridgeDomain.TUNNEL_ID_DEMO)); + wTx.put(LogicalDatastoreType.CONFIGURATION, iiToInterface, intfData); + final CheckedFuture<Void, TransactionCommitFailedException> submitFuture = wTx.submit(); + Futures.addCallback(submitFuture, new FutureCallback<Void>() { + @Override + public void onSuccess(@Nullable Void result) { + LOG.debug("Writing super virtual interface to {} finished successfully.",iiToVpp.getKey().getNodeId()); + } + + @Override + public void onFailure(Throwable t) { + LOG.debug("Writing super virtual interface to {} failed.", iiToVpp.getKey().getNodeId()); + } + }); + } else { + LOG.debug("Writing virtual interface {} to VPP {} wasn't successfull because missing data broker.", BridgeDomain.TUNNEL_ID_DEMO, iiToVpp); + } + } + + + private DataBroker resolveDataBrokerForMountPoint(final InstanceIdentifier<Node> iiToMountPoint) { + final Optional<MountPoint> vppMountPointOpt = mountService.getMountPoint(iiToMountPoint); + if (vppMountPointOpt.isPresent()) { + final MountPoint vppMountPoint = vppMountPointOpt.get(); + final Optional<DataBroker> dataBrokerOpt = vppMountPoint.getService(DataBroker.class); + if (dataBrokerOpt.isPresent()) { + return dataBrokerOpt.get(); + } + } + return null; + } + + + private Interface prepareVirtualInterfaceData(final Vxlan vxlan) { + final InterfaceBuilder interfaceBuilder = new InterfaceBuilder(); + //TODO implement tunnel counter + interfaceBuilder.setName(BridgeDomain.TUNNEL_ID_DEMO); + interfaceBuilder.setType(VxlanTunnel.class); + VppInterfaceAugmentationBuilder vppInterfaceAugmentationBuilder = new VppInterfaceAugmentationBuilder(); + vppInterfaceAugmentationBuilder.setVxlan(vxlan); + interfaceBuilder.addAugmentation(VppInterfaceAugmentation.class, vppInterfaceAugmentationBuilder.build()); + return interfaceBuilder.build(); + } + + private Vxlan prepareVxlan(final Ipv4AddressNoZone ipSrc, final Ipv4AddressNoZone ipDst) { + final VxlanBuilder vxlanBuilder = new VxlanBuilder(); + vxlanBuilder.setSrc(ipSrc); + vxlanBuilder.setDst(ipDst); + final TunnelParameters tunnelParameters = config.getTunnelParameters(); + if (tunnelParameters instanceof org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vbridge.topology.rev160129.network.topology.topology.tunnel.parameters.Vxlan) { + org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vbridge.topology.rev160129.network.topology.topology.tunnel.parameters.Vxlan vxlan = + (org.opendaylight.yang.gen.v1.urn.opendaylight.params.xml.ns.yang.vbridge.topology.rev160129.network.topology.topology.tunnel.parameters.Vxlan) tunnelParameters; + //TODO: handle NPE + vxlanBuilder.setVni(vxlan.getVxlan().getVni()); + } + vxlanBuilder.setEncapVrfId(DEFAULT_ENCAP_VRF_ID); + return vxlanBuilder.build(); + } + + + public void setConfig(final TopologyVbridgeAugment config) { + this.config = config; + } +} |