openstack/net-virt/src/main/java/org/opendaylight/ovsdb/openstack/netvirt/translator/iaware/impl/NeutronPortChangeListener.java

   1 /*
   2  * Copyright (c) 2015 Brocade Communications Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8 package org.opendaylight.ovsdb.openstack.netvirt.translator.iaware.impl;
   9
  10 import java.util.ArrayList;
  11 import java.util.HashMap;
  12 import java.util.HashSet;
  13 import java.util.List;
  14 import java.util.Map;
  15 import java.util.Map.Entry;
  16 import java.util.Set;
  17
  18 import org.opendaylight.controller.md.sal.binding.api.ClusteredDataChangeListener;
  19 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  20 import org.opendaylight.controller.md.sal.binding.api.DataChangeListener;
  21 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
  22 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeEvent;
  23 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  24 import org.opendaylight.ovsdb.openstack.netvirt.translator.NeutronPort;
  25 import org.opendaylight.ovsdb.openstack.netvirt.translator.NeutronPort_AllowedAddressPairs;
  26 import org.opendaylight.ovsdb.openstack.netvirt.translator.NeutronPort_ExtraDHCPOption;
  27 import org.opendaylight.ovsdb.openstack.netvirt.translator.NeutronPort_VIFDetail;
  28 import org.opendaylight.ovsdb.openstack.netvirt.translator.NeutronSecurityGroup;
  29 import org.opendaylight.ovsdb.openstack.netvirt.translator.Neutron_IPs;
  30 import org.opendaylight.ovsdb.openstack.netvirt.translator.crud.INeutronSecurityGroupCRUD;
  31 import org.opendaylight.ovsdb.openstack.netvirt.translator.crud.NeutronCRUDInterfaces;
  32 import org.opendaylight.ovsdb.openstack.netvirt.translator.iaware.INeutronPortAware;
  33 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.binding.rev150712.PortBindingExtension;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.binding.rev150712.binding.attributes.VifDetails;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.port.attributes.AllowedAddressPairs;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.port.attributes.ExtraDhcpOpts;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.port.attributes.FixedIps;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.ports.attributes.Ports;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.ports.rev150712.ports.attributes.ports.Port;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.rev150712.Neutron;
  42 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  43 import org.opendaylight.yangtools.yang.binding.DataObject;
  44 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  45 import org.slf4j.Logger;
  46 import org.slf4j.LoggerFactory;
  47
  48 public class NeutronPortChangeListener implements ClusteredDataChangeListener, AutoCloseable{
  49     private static final Logger LOG = LoggerFactory.getLogger(NeutronPortChangeListener.class);
  50
  51     private ListenerRegistration<DataChangeListener> registration;
  52     private DataBroker db;
  53
  54     public NeutronPortChangeListener(DataBroker db){
  55         this.db = db;
  56         InstanceIdentifier<Port> path = InstanceIdentifier
  57                 .create(Neutron.class)
  58                 .child(Ports.class)
  59                 .child(Port.class);
  60         LOG.debug("Register listener for Neutron Port model data changes");
  61         registration =
  62                 this.db.registerDataChangeListener(LogicalDatastoreType.CONFIGURATION, path, this, DataChangeScope.ONE);
  63
  64     }
  65
  66     @Override
  67     public void onDataChanged(
  68             AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> changes) {
  69         LOG.trace("Data changes : {}",changes);
  70
  71         Object[] subscribers = NeutronIAwareUtil.getInstances(INeutronPortAware.class, this);
  72         createPort(changes, subscribers);
  73         updatePort(changes, subscribers);
  74         deletePort(changes, subscribers);
  75     }
  76
  77     private void createPort(
  78             AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> changes,
  79             Object[] subscribers) {
  80         for (Entry<InstanceIdentifier<?>, DataObject> newPort : changes.getCreatedData().entrySet()) {
  81                 if(newPort.getValue() instanceof Port){
  82                 NeutronPort port = fromMd((Port)newPort.getValue());
  83                 for(Object entry: subscribers){
  84                     INeutronPortAware subscriber = (INeutronPortAware)entry;
  85                     subscriber.neutronPortCreated(port);
  86                 }
  87                 }
  88         }
  89     }
  90
  91     private void updatePort(
  92             AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> changes,
  93             Object[] subscribers) {
  94         Map<String, NeutronPort> originalPortMap = getChangedPorts(changes.getOriginalData());
  95         for (Entry<InstanceIdentifier<?>, DataObject> updatePort : changes.getUpdatedData().entrySet()) {
  96             if (updatePort.getValue() instanceof Port) {
  97                 NeutronPort port = fromMd((Port)updatePort.getValue());
  98                 NeutronPort originalPort = originalPortMap.get(port.getID());
  99                 if (originalPort != null) {
 100                     port.setOriginalPort(originalPort);
 101                 } else {
 102                     LOG.warn("Original Port data is missing");
 103                 }
 104                 for (Object entry: subscribers) {
 105                     INeutronPortAware subscriber = (INeutronPortAware)entry;
 106                     subscriber.neutronPortUpdated(port);
 107                 }
 108             }
 109         }
 110     }
 111
 112     private void deletePort(
 113             AsyncDataChangeEvent<InstanceIdentifier<?>, DataObject> changes,
 114             Object[] subscribers) {
 115         for (InstanceIdentifier<?> deletedPortPath : changes.getRemovedPaths()) {
 116             if(deletedPortPath.getTargetType().equals(Port.class)){
 117                 NeutronPort port = fromMd((Port)changes.getOriginalData().get(deletedPortPath));
 118                 for(Object entry: subscribers){
 119                     INeutronPortAware subscriber = (INeutronPortAware)entry;
 120                     subscriber.neutronPortDeleted(port);
 121                 }
 122             }
 123         }
 124     }
 125
 126     /*
 127      * This method is borrowed from NeutronPortInterface.java class of Neutron Northbound class.
 128      * We will be utilizing similar code from other classes from the same package of neutron project.
 129      */
 130     private NeutronPort fromMd(Port port) {
 131
 132         NeutronPort result = new NeutronPort();
 133         result.setAdminStateUp(port.isAdminStateUp());
 134         if (port.getAllowedAddressPairs() != null) {
 135             List<NeutronPort_AllowedAddressPairs> pairs = new ArrayList<>();
 136             for (AllowedAddressPairs mdPair : port.getAllowedAddressPairs()) {
 137                 NeutronPort_AllowedAddressPairs pair = new NeutronPort_AllowedAddressPairs();
 138                 pair.setIpAddress(mdPair.getIpAddress());
 139                 pair.setMacAddress(mdPair.getMacAddress());
 140                 pairs.add(pair);
 141             }
 142             result.setAllowedAddressPairs(pairs);
 143         }
 144         result.setDeviceID(port.getDeviceId());
 145         result.setDeviceOwner(port.getDeviceOwner());
 146         if (port.getExtraDhcpOpts() != null) {
 147             List<NeutronPort_ExtraDHCPOption> options = new ArrayList<>();
 148             for (ExtraDhcpOpts opt : port.getExtraDhcpOpts()) {
 149                 NeutronPort_ExtraDHCPOption arg = new NeutronPort_ExtraDHCPOption();
 150                 arg.setName(opt.getOptName());
 151                 arg.setValue(opt.getOptValue());
 152                 options.add(arg);
 153             }
 154             result.setExtraDHCPOptions(options);
 155         }
 156         if (port.getFixedIps() != null) {
 157             List<Neutron_IPs> ips = new ArrayList<>();
 158             for (FixedIps mdIP : port.getFixedIps()) {
 159                 Neutron_IPs ip = new Neutron_IPs();
 160                 ip.setIpAddress(String.valueOf(mdIP.getIpAddress().getValue()));
 161                 ip.setSubnetUUID(mdIP.getSubnetId().getValue());
 162                 ips.add(ip);
 163             }
 164             result.setFixedIPs(ips);
 165         }
 166         result.setMacAddress(port.getMacAddress());
 167         result.setName(port.getName());
 168         result.setNetworkUUID(String.valueOf(port.getNetworkId().getValue()));
 169         if (port.getSecurityGroups() != null) {
 170             Set<NeutronSecurityGroup> allGroups = new HashSet<>();
 171             NeutronCRUDInterfaces interfaces = new NeutronCRUDInterfaces().fetchINeutronSecurityGroupCRUD(this);
 172             INeutronSecurityGroupCRUD sgIf = interfaces.getSecurityGroupInterface();
 173             for (Uuid sgUuid : port.getSecurityGroups()) {
 174                 NeutronSecurityGroup secGroup = sgIf.getNeutronSecurityGroup(sgUuid.getValue());
 175                 if (secGroup != null) {
 176                     allGroups.add(sgIf.getNeutronSecurityGroup(sgUuid.getValue()));
 177                 }
 178             }
 179             List<NeutronSecurityGroup> groups = new ArrayList<>();
 180             groups.addAll(allGroups);
 181             result.setSecurityGroups(groups);
 182         }
 183         result.setStatus(port.getStatus());
 184         if (port.getTenantId() != null) {
 185             result.setTenantID(String.valueOf(port.getTenantId().getValue()).replace("-", ""));
 186         }
 187         result.setPortUUID(String.valueOf(port.getUuid().getValue()));
 188         addExtensions(port, result);
 189         return result;
 190     }
 191
 192     protected void addExtensions(Port port, NeutronPort result) {
 193         PortBindingExtension binding = port.getAugmentation(PortBindingExtension.class);
 194         result.setBindinghostID(binding.getHostId());
 195         if (binding.getVifDetails() != null) {
 196             List<NeutronPort_VIFDetail> details = new ArrayList<>();
 197             for (VifDetails vifDetail : binding.getVifDetails()) {
 198                 NeutronPort_VIFDetail detail = new NeutronPort_VIFDetail();
 199                 detail.setPortFilter(vifDetail.isPortFilter());
 200                 detail.setOvsHybridPlug(vifDetail.isOvsHybridPlug());
 201                 details.add(detail);
 202             }
 203             result.setVIFDetail(details);
 204         }
 205         result.setBindingvifType(binding.getVifType());
 206         result.setBindingvnicType(binding.getVnicType());
 207     }
 208
 209     private  Map<String,NeutronPort> getChangedPorts(Map<InstanceIdentifier<?>, DataObject> changedData) {
 210         LOG.trace("getChangedPorts:" + changedData);
 211         Map<String,NeutronPort> portMap = new HashMap<>();
 212         for (Map.Entry<InstanceIdentifier<?>, DataObject> changed : changedData.entrySet()) {
 213             if (changed.getValue() instanceof Port) {
 214                 NeutronPort port = fromMd((Port)changed.getValue());
 215                 portMap.put(port.getID(), port);
 216             }
 217         }
 218         return portMap;
 219     }
 220
 221     @Override
 222     public void close() throws Exception {
 223         registration.close();
 224     }
 225 }