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
   9 package org.opendaylight.neutron.transcriber;
  10
  11 import com.google.common.base.Optional;
  12 import com.google.common.collect.ImmutableBiMap;
  13 import com.google.common.util.concurrent.CheckedFuture;
  14 import java.util.ArrayList;
  15 import java.util.HashSet;
  16 import java.util.List;
  17 import java.util.Set;
  18 import java.util.concurrent.ExecutionException;
  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.NeutronLoadBalancerPool;
  27 import org.opendaylight.neutron.spi.NeutronLoadBalancerPoolMember;
  28 import org.opendaylight.neutron.spi.NeutronLoadBalancer_SessionPersistence;
  29 import org.opendaylight.neutron.spi.Neutron_ID;
  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.pool.Members;
  41 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.lbaasv2.rev150712.lbaas.attributes.pools.pool.members.Member;
  42 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.lbaasv2.rev150712.lbaas.attributes.pools.pool.members.MemberBuilder;
  43 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.lbaasv2.rev150712.pool.attributes.SessionPersistenceBuilder;
  44 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.rev150712.Neutron;
  45 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  46 import org.slf4j.Logger;
  47 import org.slf4j.LoggerFactory;
  48
  49 public final class NeutronLoadBalancerPoolInterface
  50         extends AbstractNeutronInterface<Pool, Pools, NeutronLoadBalancerPool>
  51         implements INeutronLoadBalancerPoolCRUD {
  52     private static final Logger LOGGER = LoggerFactory.getLogger(NeutronLoadBalancerPoolInterface.class);
  53
  54     private static final ImmutableBiMap<Class<? extends ProtocolBase>,
  55             String> PROTOCOL_MAP = new ImmutableBiMap.Builder<Class<? extends ProtocolBase>, String>()
  56                     .put(ProtocolHttp.class, "HTTP").put(ProtocolHttps.class, "HTTPS").put(ProtocolTcp.class, "TCP")
  57                     .put(ProtocolTerminatedHttps.class, "TERMINATED_HTTPS").build();
  58
  59     NeutronLoadBalancerPoolInterface(DataBroker db) {
  60         super(PoolBuilder.class, db);
  61     }
  62
  63     @Override
  64     protected List<Pool> getDataObjectList(Pools pools) {
  65         return pools.getPool();
  66     }
  67
  68     @Override
  69     protected InstanceIdentifier<Pool> createInstanceIdentifier(Pool pool) {
  70         return InstanceIdentifier.create(Neutron.class).child(Pools.class).child(Pool.class, pool.getKey());
  71     }
  72
  73     @Override
  74     protected InstanceIdentifier<Pools> createInstanceIdentifier() {
  75         return InstanceIdentifier.create(Neutron.class).child(Pools.class);
  76     }
  77
  78     @Override
  79     protected Pool toMd(NeutronLoadBalancerPool pool) {
  80         final PoolBuilder poolBuilder = new PoolBuilder();
  81         poolBuilder.setAdminStateUp(pool.getLoadBalancerPoolAdminIsStateIsUp());
  82         if (pool.getNeutronLoadBalancerPoolHealthMonitorID() != null) {
  83             poolBuilder.setHealthmonitorId(toUuid(pool.getNeutronLoadBalancerPoolHealthMonitorID()));
  84         }
  85         if (pool.getLoadBalancerPoolLbAlgorithm() != null) {
  86             poolBuilder.setLbAlgorithm(pool.getLoadBalancerPoolLbAlgorithm());
  87         }
  88         if (pool.getLoadBalancerPoolListeners() != null) {
  89             final List<Uuid> listListener = new ArrayList<Uuid>();
  90             for (final Neutron_ID neutron_id : pool.getLoadBalancerPoolListeners()) {
  91                 listListener.add(toUuid(neutron_id.getID()));
  92             }
  93             poolBuilder.setListeners(listListener);
  94         }
  95         // because members are another container, we don't want to copy
  96         // it over, so just skip it here
  97         if (pool.getName() != null) {
  98             poolBuilder.setName(pool.getName());
  99         }
 100         if (pool.getLoadBalancerPoolProtocol() != null) {
 101             final ImmutableBiMap<String, Class<? extends ProtocolBase>> mapper = PROTOCOL_MAP.inverse();
 102             poolBuilder.setProtocol((Class<? extends ProtocolBase>) mapper.get(pool.getLoadBalancerPoolProtocol()));
 103         }
 104         if (pool.getLoadBalancerPoolSessionPersistence() != null) {
 105             final NeutronLoadBalancer_SessionPersistence sessionPersistence = pool
 106                     .getLoadBalancerPoolSessionPersistence();
 107             final SessionPersistenceBuilder sessionPersistenceBuilder = new SessionPersistenceBuilder();
 108             sessionPersistenceBuilder.setCookieName(sessionPersistence.getCookieName());
 109             sessionPersistenceBuilder.setType(sessionPersistence.getType());
 110             poolBuilder.setSessionPersistence(sessionPersistenceBuilder.build());
 111         }
 112         if (pool.getTenantID() != null) {
 113             poolBuilder.setTenantId(toUuid(pool.getTenantID()));
 114         }
 115         if (pool.getID() != null) {
 116             poolBuilder.setUuid(toUuid(pool.getID()));
 117         } else {
 118             LOGGER.warn("Attempting to write neutron load balancer pool without UUID");
 119         }
 120         return poolBuilder.build();
 121     }
 122
 123     protected NeutronLoadBalancerPool fromMd(Pool pool) {
 124         final NeutronLoadBalancerPool answer = new NeutronLoadBalancerPool();
 125         if (pool.isAdminStateUp() != null) {
 126             answer.setLoadBalancerPoolAdminStateIsUp(pool.isAdminStateUp());
 127         }
 128         if (pool.getHealthmonitorId() != null) {
 129             answer.setNeutronLoadBalancerPoolHealthMonitorID(pool.getHealthmonitorId().getValue());
 130         }
 131         if (pool.getLbAlgorithm() != null) {
 132             answer.setLoadBalancerPoolLbAlgorithm(pool.getLbAlgorithm());
 133         }
 134         if (pool.getListeners() != null) {
 135             final List<Neutron_ID> ids = new ArrayList<Neutron_ID>();
 136             for (final Uuid id : pool.getListeners()) {
 137                 ids.add(new Neutron_ID(id.getValue()));
 138             }
 139             answer.setLoadBalancerPoolListeners(ids);
 140         }
 141         if (pool.getMembers() != null) {
 142             final List<NeutronLoadBalancerPoolMember> members = new ArrayList<NeutronLoadBalancerPoolMember>();
 143             for (final Member member : pool.getMembers().getMember()) {
 144                 members.add(fromMemberMd(member));
 145             }
 146             answer.setLoadBalancerPoolMembers(members);
 147         }
 148         if (pool.getName() != null) {
 149             answer.setName(pool.getName());
 150         }
 151         if (pool.getProtocol() != null) {
 152             answer.setLoadBalancerPoolProtocol(PROTOCOL_MAP.get(pool.getProtocol()));
 153         }
 154         if (pool.getSessionPersistence() != null) {
 155             final NeutronLoadBalancer_SessionPersistence sessionPersistence =
 156                     new NeutronLoadBalancer_SessionPersistence();
 157             sessionPersistence.setCookieName(pool.getSessionPersistence().getCookieName());
 158             sessionPersistence.setType(pool.getSessionPersistence().getType());
 159
 160             answer.setLoadBalancerSessionPersistence(sessionPersistence);
 161         }
 162         if (pool.getTenantId() != null) {
 163             answer.setTenantID(pool.getTenantId());
 164         }
 165         if (pool.getUuid() != null) {
 166             answer.setID(pool.getUuid().getValue());
 167         }
 168         return answer;
 169     }
 170
 171     public boolean neutronLoadBalancerPoolMemberExists(String poolUuid, String uuid) {
 172         final Member member = readMemberMd(createMemberInstanceIdentifier(toMd(poolUuid), toMemberMd(uuid)));
 173         if (member == null) {
 174             return false;
 175         }
 176         return true;
 177     }
 178
 179     public NeutronLoadBalancerPoolMember getNeutronLoadBalancerPoolMember(String poolUuid, String uuid) {
 180         final Member member = readMemberMd(createMemberInstanceIdentifier(toMd(poolUuid), toMemberMd(uuid)));
 181         if (member == null) {
 182             return null;
 183         }
 184         return fromMemberMd(member);
 185     }
 186
 187     public List<NeutronLoadBalancerPoolMember> getAllNeutronLoadBalancerPoolMembers(String poolUuid) {
 188         final Set<NeutronLoadBalancerPoolMember> allLoadBalancerPoolMembers = new HashSet<
 189                 NeutronLoadBalancerPoolMember>();
 190         final Members members = readMd(createMembersInstanceIdentifier(toMd(poolUuid)));
 191         if (members != null) {
 192             for (final Member member : members.getMember()) {
 193                 allLoadBalancerPoolMembers.add(fromMemberMd(member));
 194             }
 195         }
 196         LOGGER.debug("Exiting getLoadBalancerPoolMembers, Found {} OpenStackLoadBalancerPoolMember",
 197                 allLoadBalancerPoolMembers.size());
 198         final List<NeutronLoadBalancerPoolMember> ans = new ArrayList<NeutronLoadBalancerPoolMember>();
 199         ans.addAll(allLoadBalancerPoolMembers);
 200         return ans;
 201     }
 202
 203     public boolean addNeutronLoadBalancerPoolMember(String poolUuid, NeutronLoadBalancerPoolMember input) {
 204         if (neutronLoadBalancerPoolMemberExists(poolUuid, input.getID())) {
 205             return false;
 206         }
 207         addMemberMd(toMd(poolUuid), input);
 208         return true;
 209     }
 210
 211     public boolean removeNeutronLoadBalancerPoolMember(String poolUuid, String uuid) {
 212         if (!neutronLoadBalancerPoolMemberExists(poolUuid, uuid)) {
 213             return false;
 214         }
 215         return removeMemberMd(toMd(poolUuid), toMemberMd(uuid));
 216     }
 217
 218     public boolean updateNeutronLoadBalancerPoolMember(String poolUuid, String uuid,
 219             NeutronLoadBalancerPoolMember delta) {
 220         if (!neutronLoadBalancerPoolMemberExists(poolUuid, uuid)) {
 221             return false;
 222         }
 223         updateMemberMd(toMd(poolUuid), delta);
 224         return true;
 225     }
 226
 227     public boolean neutronLoadBalancerPoolMemberInUse(String poolUuid, String loadBalancerPoolMemberID) {
 228         return !neutronLoadBalancerPoolMemberExists(poolUuid, loadBalancerPoolMemberID);
 229     }
 230
 231     protected InstanceIdentifier<Member> createMemberInstanceIdentifier(Pool pool, Member item) {
 232         return InstanceIdentifier.create(Neutron.class).child(Pools.class).child(Pool.class, pool.getKey())
 233                 .child(Members.class).child(Member.class, item.getKey());
 234     }
 235
 236     protected InstanceIdentifier<Members> createMembersInstanceIdentifier(Pool pool) {
 237         return InstanceIdentifier.create(Neutron.class).child(Pools.class).child(Pool.class, pool.getKey())
 238                 .child(Members.class);
 239     }
 240
 241     static NeutronLoadBalancerPoolMember fromMemberMd(Member member) {
 242         final NeutronLoadBalancerPoolMember answer = new NeutronLoadBalancerPoolMember();
 243         if (member.isAdminStateUp() != null) {
 244             answer.setPoolMemberAdminStateIsUp(member.isAdminStateUp());
 245         }
 246         if (member.getAddress() != null) {
 247             answer.setPoolMemberAddress(String.valueOf(member.getAddress().getValue()));
 248         }
 249         if (member.getProtocolPort() != null) {
 250             answer.setPoolMemberProtoPort(member.getProtocolPort());
 251         }
 252         if (member.getUuid() != null) {
 253             answer.setID(member.getUuid().getValue());
 254             answer.setPoolID(member.getUuid().getValue());
 255         }
 256         if (member.getSubnetId() != null) {
 257             answer.setPoolMemberSubnetID(member.getSubnetId().getValue());
 258         }
 259         if (member.getTenantId() != null) {
 260             answer.setTenantID(member.getTenantId());
 261         }
 262         if (member.getWeight() != null) {
 263             answer.setPoolMemberWeight(member.getWeight());
 264         }
 265         return answer;
 266     }
 267
 268     protected Member toMemberMd(NeutronLoadBalancerPoolMember member) {
 269         final MemberBuilder memberBuilder = new MemberBuilder();
 270         memberBuilder.setAdminStateUp(member.getPoolMemberAdminStateIsUp());
 271         if (member.getPoolMemberAddress() != null) {
 272             final IpAddress ipAddress = new IpAddress(member.getPoolMemberAddress().toCharArray());
 273             memberBuilder.setAddress(ipAddress);
 274         }
 275         if (member.getPoolMemberProtoPort() != null) {
 276             memberBuilder.setProtocolPort(member.getPoolMemberProtoPort());
 277         }
 278         if (member.getID() != null) {
 279             memberBuilder.setUuid(toUuid(member.getID()));
 280         }
 281         if (member.getPoolMemberSubnetID() != null) {
 282             memberBuilder.setSubnetId(toUuid(member.getPoolMemberSubnetID()));
 283         }
 284         if (member.getTenantID() != null) {
 285             memberBuilder.setTenantId(toUuid(member.getTenantID()));
 286         }
 287         if (member.getPoolMemberWeight() != null) {
 288             memberBuilder.setWeight(member.getPoolMemberWeight());
 289         }
 290         return memberBuilder.build();
 291     }
 292
 293     protected Member toMemberMd(String uuid) {
 294         final MemberBuilder memberBuilder = new MemberBuilder();
 295         memberBuilder.setUuid(toUuid(uuid));
 296         return memberBuilder.build();
 297     }
 298
 299     protected <
 300             T extends org.opendaylight.yangtools.yang.binding.DataObject> T readMemberMd(InstanceIdentifier<T> path) {
 301         T result = null;
 302         final ReadOnlyTransaction transaction = getDataBroker().newReadOnlyTransaction();
 303         final CheckedFuture<Optional<T>,
 304                 ReadFailedException> future = transaction.read(LogicalDatastoreType.CONFIGURATION, path);
 305         if (future != null) {
 306             Optional<T> optional;
 307             try {
 308                 optional = future.checkedGet();
 309                 if (optional.isPresent()) {
 310                     result = optional.get();
 311                 }
 312             } catch (final ReadFailedException e) {
 313                 LOGGER.warn("Failed to read {}", path, e);
 314             }
 315         }
 316         transaction.close();
 317         return result;
 318     }
 319
 320     protected boolean addMemberMd(Pool pool, NeutronLoadBalancerPoolMember neutronObject) {
 321         // TODO think about adding existence logic
 322         return updateMemberMd(pool, neutronObject);
 323     }
 324
 325     protected boolean updateMemberMd(Pool pool, NeutronLoadBalancerPoolMember neutronObject) {
 326         final WriteTransaction transaction = getDataBroker().newWriteOnlyTransaction();
 327         final Member item = toMemberMd(neutronObject);
 328         final InstanceIdentifier<Member> iid = createMemberInstanceIdentifier(pool, item);
 329         transaction.put(LogicalDatastoreType.CONFIGURATION, iid, item, true);
 330         final CheckedFuture<Void, TransactionCommitFailedException> future = transaction.submit();
 331         try {
 332             future.get();
 333         } catch (InterruptedException | ExecutionException e) {
 334             LOGGER.warn("Transation failed ", e);
 335             return false;
 336         }
 337         return true;
 338     }
 339
 340     protected boolean removeMemberMd(Pool pool, Member item) {
 341         final WriteTransaction transaction = getDataBroker().newWriteOnlyTransaction();
 342         final InstanceIdentifier<Member> iid = createMemberInstanceIdentifier(pool, item);
 343         transaction.delete(LogicalDatastoreType.CONFIGURATION, iid);
 344         final CheckedFuture<Void, TransactionCommitFailedException> future = transaction.submit();
 345         try {
 346             future.get();
 347         } catch (InterruptedException | ExecutionException e) {
 348             LOGGER.warn("Transation failed ", e);
 349             return false;
 350         }
 351         return true;
 352     }
 353 }