transcriber/src/main/java/org/opendaylight/neutron/transcriber/NeutronLoadBalancerPoolInterface.java

   1 /*
   2  * Copyright (c) 2014, 2015 Red Hat, 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.neutron.transcriber;
   9
  10 import com.google.common.base.Optional;
  11 import com.google.common.collect.ImmutableBiMap;
  12 import com.google.common.util.concurrent.CheckedFuture;
  13 import java.util.ArrayList;
  14 import java.util.HashSet;
  15 import java.util.List;
  16 import java.util.Set;
  17 import javax.inject.Inject;
  18 import javax.inject.Singleton;
  19 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  20 import org.opendaylight.controller.md.sal.binding.api.ReadOnlyTransaction;
  21 import org.opendaylight.controller.md.sal.binding.api.WriteTransaction;
  22 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  23 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  24 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
  25 import org.opendaylight.neutron.spi.INeutronLoadBalancerPoolCRUD;
  26 import org.opendaylight.neutron.spi.NeutronID;
  27 import org.opendaylight.neutron.spi.NeutronLoadBalancerPool;
  28 import org.opendaylight.neutron.spi.NeutronLoadBalancerPoolMember;
  29 import org.opendaylight.neutron.spi.NeutronLoadBalancerSessionPersistence;
  30 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev130715.IpAddress;
  31 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.constants.rev150712.ProtocolBase;
  33 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.constants.rev150712.ProtocolHttp;
  34 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.constants.rev150712.ProtocolHttps;
  35 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.constants.rev150712.ProtocolTcp;
  36 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.constants.rev150712.ProtocolTerminatedHttps;
  37 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.lbaasv2.rev150712.lbaas.attributes.Pools;
  38 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.lbaasv2.rev150712.lbaas.attributes.pools.Pool;
  39 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.lbaasv2.rev150712.lbaas.attributes.pools.PoolBuilder;
  40 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.lbaasv2.rev150712.lbaas.attributes.pools.PoolKey;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.lbaasv2.rev150712.lbaas.attributes.pools.pool.Members;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.lbaasv2.rev150712.lbaas.attributes.pools.pool.members.Member;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.lbaasv2.rev150712.lbaas.attributes.pools.pool.members.MemberBuilder;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.lbaasv2.rev150712.pool.attributes.SessionPersistenceBuilder;
  45 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.rev150712.Neutron;
  46 import org.opendaylight.yangtools.yang.binding.DataObject;
  47 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  48 import org.opendaylight.yangtools.yang.common.OperationFailedException;
  49 import org.ops4j.pax.cdi.api.OsgiServiceProvider;
  50 import org.slf4j.Logger;
  51 import org.slf4j.LoggerFactory;
  52
  53 @Singleton
  54 @OsgiServiceProvider(classes = INeutronLoadBalancerPoolCRUD.class)
  55 public final class NeutronLoadBalancerPoolInterface
  56         extends AbstractNeutronInterface<Pool, Pools, PoolKey, NeutronLoadBalancerPool>
  57         implements INeutronLoadBalancerPoolCRUD {
  58
  59     private static final Logger LOG = LoggerFactory.getLogger(NeutronLoadBalancerPoolInterface.class);
  60
  61     private static final ImmutableBiMap<Class<? extends ProtocolBase>,
  62             String> PROTOCOL_MAP = new ImmutableBiMap.Builder<Class<? extends ProtocolBase>, String>()
  63                     .put(ProtocolHttp.class, "HTTP").put(ProtocolHttps.class, "HTTPS").put(ProtocolTcp.class, "TCP")
  64                     .put(ProtocolTerminatedHttps.class, "TERMINATED_HTTPS").build();
  65
  66     @Inject
  67     public NeutronLoadBalancerPoolInterface(DataBroker db) {
  68         super(PoolBuilder.class, db);
  69     }
  70
  71     @Override
  72     protected List<Pool> getDataObjectList(Pools pools) {
  73         return pools.getPool();
  74     }
  75
  76     @Override
  77     protected Pool toMd(NeutronLoadBalancerPool pool) {
  78         final PoolBuilder poolBuilder = new PoolBuilder();
  79         toMdBaseAttributes(pool, poolBuilder);
  80         poolBuilder.setAdminStateUp(pool.getLoadBalancerPoolAdminIsStateIsUp());
  81         if (pool.getLoadBalancerPoolHealthMonitorID() != null) {
  82             poolBuilder.setHealthmonitorId(toUuid(pool.getLoadBalancerPoolHealthMonitorID()));
  83         }
  84         if (pool.getLoadBalancerPoolLbAlgorithm() != null) {
  85             poolBuilder.setLbAlgorithm(pool.getLoadBalancerPoolLbAlgorithm());
  86         }
  87         if (pool.getLoadBalancerPoolListeners() != null) {
  88             final List<Uuid> listListener = new ArrayList<>();
  89             for (final NeutronID neutronId : pool.getLoadBalancerPoolListeners()) {
  90                 listListener.add(toUuid(neutronId.getID()));
  91             }
  92             poolBuilder.setListeners(listListener);
  93         }
  94         // because members are another container, we don't want to copy
  95         // it over, so just skip it here
  96         if (pool.getLoadBalancerPoolProtocol() != null) {
  97             final ImmutableBiMap<String, Class<? extends ProtocolBase>> mapper = PROTOCOL_MAP.inverse();
  98             poolBuilder.setProtocol(mapper.get(pool.getLoadBalancerPoolProtocol()));
  99         }
 100         if (pool.getLoadBalancerPoolSessionPersistence() != null) {
 101             final NeutronLoadBalancerSessionPersistence sessionPersistence = pool
 102                     .getLoadBalancerPoolSessionPersistence();
 103             final SessionPersistenceBuilder sessionPersistenceBuilder = new SessionPersistenceBuilder();
 104             sessionPersistenceBuilder.setCookieName(sessionPersistence.getCookieName());
 105             sessionPersistenceBuilder.setType(sessionPersistence.getType());
 106             poolBuilder.setSessionPersistence(sessionPersistenceBuilder.build());
 107         }
 108         return poolBuilder.build();
 109     }
 110
 111     @Override
 112     protected NeutronLoadBalancerPool fromMd(Pool pool) {
 113         final NeutronLoadBalancerPool answer = new NeutronLoadBalancerPool();
 114         fromMdBaseAttributes(pool, answer);
 115         if (pool.isAdminStateUp() != null) {
 116             answer.setLoadBalancerPoolAdminStateIsUp(pool.isAdminStateUp());
 117         }
 118         if (pool.getHealthmonitorId() != null) {
 119             answer.setLoadBalancerPoolHealthMonitorID(pool.getHealthmonitorId().getValue());
 120         }
 121         if (pool.getLbAlgorithm() != null) {
 122             answer.setLoadBalancerPoolLbAlgorithm(pool.getLbAlgorithm());
 123         }
 124         if (pool.getListeners() != null) {
 125             final List<NeutronID> ids = new ArrayList<>();
 126             for (final Uuid id : pool.getListeners()) {
 127                 ids.add(new NeutronID(id.getValue()));
 128             }
 129             answer.setLoadBalancerPoolListeners(ids);
 130         }
 131         if (pool.getMembers() != null) {
 132             final List<NeutronLoadBalancerPoolMember> members = new ArrayList<>();
 133             for (final Member member : pool.getMembers().getMember()) {
 134                 members.add(fromMemberMd(member));
 135             }
 136             answer.setLoadBalancerPoolMembers(members);
 137         }
 138         if (pool.getProtocol() != null) {
 139             answer.setLoadBalancerPoolProtocol(PROTOCOL_MAP.get(pool.getProtocol()));
 140         }
 141         if (pool.getSessionPersistence() != null) {
 142             NeutronLoadBalancerSessionPersistence sessionPersistence = new NeutronLoadBalancerSessionPersistence();
 143             sessionPersistence.setCookieName(pool.getSessionPersistence().getCookieName());
 144             sessionPersistence.setType(pool.getSessionPersistence().getType());
 145
 146             answer.setLoadBalancerSessionPersistence(sessionPersistence);
 147         }
 148         return answer;
 149     }
 150
 151     @Override
 152     public boolean neutronLoadBalancerPoolMemberExists(String poolUuid, String uuid) throws ReadFailedException {
 153         final Member member = readMemberMd(createMemberInstanceIdentifier(toMd(poolUuid), toMemberMd(uuid)));
 154         if (member == null) {
 155             return false;
 156         }
 157         return true;
 158     }
 159
 160     @Override
 161     public NeutronLoadBalancerPoolMember getNeutronLoadBalancerPoolMember(String poolUuid, String uuid)
 162             throws ReadFailedException {
 163         final Member member = readMemberMd(createMemberInstanceIdentifier(toMd(poolUuid), toMemberMd(uuid)));
 164         if (member == null) {
 165             return null;
 166         }
 167         return fromMemberMd(member);
 168     }
 169
 170     @Override
 171     public List<NeutronLoadBalancerPoolMember> getAllNeutronLoadBalancerPoolMembers(String poolUuid)
 172             throws ReadFailedException {
 173         final Set<NeutronLoadBalancerPoolMember> allLoadBalancerPoolMembers = new HashSet<>();
 174         final Members members = readMd(createMembersInstanceIdentifier(toMd(poolUuid)));
 175         if (members != null) {
 176             for (final Member member : members.getMember()) {
 177                 allLoadBalancerPoolMembers.add(fromMemberMd(member));
 178             }
 179         }
 180         LOG.debug("Exiting getLoadBalancerPoolMembers, Found {} OpenStackLoadBalancerPoolMember",
 181                 allLoadBalancerPoolMembers.size());
 182         final List<NeutronLoadBalancerPoolMember> ans = new ArrayList<>();
 183         ans.addAll(allLoadBalancerPoolMembers);
 184         return ans;
 185     }
 186
 187     @Override
 188     public boolean addNeutronLoadBalancerPoolMember(String poolUuid, NeutronLoadBalancerPoolMember input)
 189             throws OperationFailedException {
 190         if (neutronLoadBalancerPoolMemberExists(poolUuid, input.getID())) {
 191             return false;
 192         }
 193         addMemberMd(toMd(poolUuid), input);
 194         return true;
 195     }
 196
 197     @Override
 198     public boolean removeNeutronLoadBalancerPoolMember(String poolUuid, String uuid) throws OperationFailedException {
 199         if (!neutronLoadBalancerPoolMemberExists(poolUuid, uuid)) {
 200             return false;
 201         }
 202         removeMemberMd(toMd(poolUuid), toMemberMd(uuid));
 203         return true;
 204     }
 205
 206     @Override
 207     public boolean updateNeutronLoadBalancerPoolMember(String poolUuid, String uuid,
 208             NeutronLoadBalancerPoolMember delta) throws OperationFailedException {
 209         if (!neutronLoadBalancerPoolMemberExists(poolUuid, uuid)) {
 210             return false;
 211         }
 212         updateMemberMd(toMd(poolUuid), delta);
 213         return true;
 214     }
 215
 216     @Override
 217     public boolean neutronLoadBalancerPoolMemberInUse(String poolUuid, String loadBalancerPoolMemberID)
 218             throws ReadFailedException {
 219         return !neutronLoadBalancerPoolMemberExists(poolUuid, loadBalancerPoolMemberID);
 220     }
 221
 222     protected InstanceIdentifier<Member> createMemberInstanceIdentifier(Pool pool, Member item) {
 223         return InstanceIdentifier.create(Neutron.class).child(Pools.class).child(Pool.class, pool.key())
 224                 .child(Members.class).child(Member.class, item.key());
 225     }
 226
 227     protected InstanceIdentifier<Members> createMembersInstanceIdentifier(Pool pool) {
 228         return InstanceIdentifier.create(Neutron.class).child(Pools.class).child(Pool.class, pool.key())
 229                 .child(Members.class);
 230     }
 231
 232     protected NeutronLoadBalancerPoolMember fromMemberMd(Member member) {
 233         final NeutronLoadBalancerPoolMember answer = new NeutronLoadBalancerPoolMember();
 234         fromMdIds(member, answer);
 235         if (member.isAdminStateUp() != null) {
 236             answer.setPoolMemberAdminStateIsUp(member.isAdminStateUp());
 237         }
 238         if (member.getAddress() != null) {
 239             answer.setPoolMemberAddress(String.valueOf(member.getAddress().getValue()));
 240         }
 241         if (member.getProtocolPort() != null) {
 242             answer.setPoolMemberProtoPort(member.getProtocolPort());
 243         }
 244         if (member.getSubnetId() != null) {
 245             answer.setPoolMemberSubnetID(member.getSubnetId().getValue());
 246         }
 247         if (member.getWeight() != null) {
 248             answer.setPoolMemberWeight(member.getWeight());
 249         }
 250         return answer;
 251     }
 252
 253     protected Member toMemberMd(NeutronLoadBalancerPoolMember member) {
 254         final MemberBuilder memberBuilder = toMdIds(member, MemberBuilder.class);
 255         memberBuilder.setAdminStateUp(member.getPoolMemberAdminStateIsUp());
 256         if (member.getPoolMemberAddress() != null) {
 257             final IpAddress ipAddress = new IpAddress(member.getPoolMemberAddress().toCharArray());
 258             memberBuilder.setAddress(ipAddress);
 259         }
 260         if (member.getPoolMemberProtoPort() != null) {
 261             memberBuilder.setProtocolPort(member.getPoolMemberProtoPort());
 262         }
 263         if (member.getPoolMemberSubnetID() != null) {
 264             memberBuilder.setSubnetId(toUuid(member.getPoolMemberSubnetID()));
 265         }
 266         if (member.getPoolMemberWeight() != null) {
 267             memberBuilder.setWeight(member.getPoolMemberWeight());
 268         }
 269         return memberBuilder.build();
 270     }
 271
 272     private Member toMemberMd(String uuid) {
 273         final MemberBuilder memberBuilder = new MemberBuilder();
 274         memberBuilder.setUuid(toUuid(uuid));
 275         return memberBuilder.build();
 276     }
 277
 278     private <T extends DataObject> T readMemberMd(InstanceIdentifier<T> path) throws ReadFailedException {
 279         T result = null;
 280         try (ReadOnlyTransaction transaction = getDataBroker().newReadOnlyTransaction()) {
 281             final CheckedFuture<Optional<T>, ReadFailedException> future = transaction
 282                     .read(LogicalDatastoreType.CONFIGURATION, path);
 283             if (future != null) {
 284                 Optional<T> optional;
 285                 optional = future.checkedGet();
 286                 if (optional.isPresent()) {
 287                     result = optional.get();
 288                 }
 289             }
 290         }
 291         return result;
 292     }
 293
 294     private void addMemberMd(Pool pool, NeutronLoadBalancerPoolMember neutronObject)
 295             throws TransactionCommitFailedException {
 296         // TODO think about adding existence logic
 297         updateMemberMd(pool, neutronObject);
 298     }
 299
 300     private void updateMemberMd(Pool pool, NeutronLoadBalancerPoolMember neutronObject)
 301             throws TransactionCommitFailedException {
 302         final WriteTransaction transaction = getDataBroker().newWriteOnlyTransaction();
 303         final Member item = toMemberMd(neutronObject);
 304         final InstanceIdentifier<Member> iid = createMemberInstanceIdentifier(pool, item);
 305         transaction.put(LogicalDatastoreType.CONFIGURATION, iid, item, true);
 306         transaction.submit().checkedGet();
 307     }
 308
 309     private void removeMemberMd(Pool pool, Member item) throws TransactionCommitFailedException {
 310         final WriteTransaction transaction = getDataBroker().newWriteOnlyTransaction();
 311         final InstanceIdentifier<Member> iid = createMemberInstanceIdentifier(pool, item);
 312         transaction.delete(LogicalDatastoreType.CONFIGURATION, iid);
 313         transaction.submit().checkedGet();
 314     }
 315 }