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

   1 /*
   2  * Copyright (C) 2014 Red Hat, Inc.
   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 java.lang.reflect.Method;
  12 import java.util.ArrayList;
  13 import java.util.HashSet;
  14 import java.util.List;
  15 import java.util.Map.Entry;
  16 import java.util.Set;
  17 import java.util.concurrent.ConcurrentHashMap;
  18 import java.util.concurrent.ConcurrentMap;
  19
  20 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ProviderContext;
  21 import org.opendaylight.neutron.spi.INeutronLoadBalancerPoolCRUD;
  22 import org.opendaylight.neutron.spi.NeutronLoadBalancerPool;
  23 import org.opendaylight.neutron.spi.NeutronLoadBalancerPoolMember;
  24 import org.opendaylight.neutron.spi.NeutronLoadBalancer_SessionPersistence;
  25 import org.opendaylight.neutron.spi.Neutron_ID;
  26 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.yang.types.rev130715.Uuid;
  27 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.lbaasv2.rev141002.PoolAttrs.Protocol;
  28 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.lbaasv2.rev141002.lbaas.attributes.Pool;
  29 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.lbaasv2.rev141002.lbaas.attributes.pool.Pools;
  30 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.lbaasv2.rev141002.lbaas.attributes.pool.PoolsBuilder;
  31 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.lbaasv2.rev141002.pool.attrs.SessionPersistenceBuilder;
  32 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.rev150325.Neutron;
  33 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  34 import org.slf4j.Logger;
  35 import org.slf4j.LoggerFactory;
  36
  37 public class NeutronLoadBalancerPoolInterface extends AbstractNeutronInterface<Pools, NeutronLoadBalancerPool> implements INeutronLoadBalancerPoolCRUD {
  38     private static final Logger logger = LoggerFactory.getLogger(NeutronLoadBalancerPoolInterface.class);
  39     private ConcurrentMap<String, NeutronLoadBalancerPool> loadBalancerPoolDB = new ConcurrentHashMap<String, NeutronLoadBalancerPool>();
  40
  41
  42     NeutronLoadBalancerPoolInterface(ProviderContext providerContext) {
  43         super(providerContext);
  44     }
  45
  46     // this method uses reflection to update an object from it's delta.
  47
  48     private boolean overwrite(Object target, Object delta) {
  49         Method[] methods = target.getClass().getMethods();
  50
  51         for (Method toMethod : methods) {
  52             if (toMethod.getDeclaringClass().equals(target.getClass())
  53                     && toMethod.getName().startsWith("set")) {
  54
  55                 String toName = toMethod.getName();
  56                 String fromName = toName.replace("set", "get");
  57
  58                 try {
  59                     Method fromMethod = delta.getClass().getMethod(fromName);
  60                     Object value = fromMethod.invoke(delta, (Object[]) null);
  61                     if (value != null) {
  62                         toMethod.invoke(target, value);
  63                     }
  64                 } catch (Exception e) {
  65                     e.printStackTrace();
  66                     return false;
  67                 }
  68             }
  69         }
  70         return true;
  71     }
  72
  73     @Override
  74     public boolean neutronLoadBalancerPoolExists(String uuid) {
  75         return loadBalancerPoolDB.containsKey(uuid);
  76     }
  77
  78     @Override
  79     public NeutronLoadBalancerPool getNeutronLoadBalancerPool(String uuid) {
  80         if (!neutronLoadBalancerPoolExists(uuid)) {
  81             logger.debug("No LoadBalancerPool has Been Defined");
  82             return null;
  83         }
  84         return loadBalancerPoolDB.get(uuid);
  85     }
  86
  87     @Override
  88     public List<NeutronLoadBalancerPool> getAllNeutronLoadBalancerPools() {
  89         Set<NeutronLoadBalancerPool> allLoadBalancerPools = new HashSet<NeutronLoadBalancerPool>();
  90         for (Entry<String, NeutronLoadBalancerPool> entry : loadBalancerPoolDB.entrySet()) {
  91             NeutronLoadBalancerPool loadBalancerPool = entry.getValue();
  92             allLoadBalancerPools.add(loadBalancerPool);
  93         }
  94         logger.debug("Exiting getLoadBalancerPools, Found {} OpenStackLoadBalancerPool", allLoadBalancerPools.size());
  95         List<NeutronLoadBalancerPool> ans = new ArrayList<NeutronLoadBalancerPool>();
  96         ans.addAll(allLoadBalancerPools);
  97         return ans;
  98     }
  99
 100     @Override
 101     public boolean addNeutronLoadBalancerPool(NeutronLoadBalancerPool input) {
 102         if (neutronLoadBalancerPoolExists(input.getLoadBalancerPoolID())) {
 103             return false;
 104         }
 105         loadBalancerPoolDB.putIfAbsent(input.getLoadBalancerPoolID(), input);
 106         //TODO: add code to find INeutronLoadBalancerPoolAware services and call newtorkCreated on them
 107         return true;
 108     }
 109
 110     @Override
 111     public boolean removeNeutronLoadBalancerPool(String uuid) {
 112         if (!neutronLoadBalancerPoolExists(uuid)) {
 113             return false;
 114         }
 115         loadBalancerPoolDB.remove(uuid);
 116         //TODO: add code to find INeutronLoadBalancerPoolAware services and call newtorkDeleted on them
 117         return true;
 118     }
 119
 120     @Override
 121     public boolean updateNeutronLoadBalancerPool(String uuid, NeutronLoadBalancerPool delta) {
 122         if (!neutronLoadBalancerPoolExists(uuid)) {
 123             return false;
 124         }
 125         NeutronLoadBalancerPool target = loadBalancerPoolDB.get(uuid);
 126         return overwrite(target, delta);
 127     }
 128
 129     @Override
 130     public boolean neutronLoadBalancerPoolInUse(String loadBalancerPoolUUID) {
 131         return !neutronLoadBalancerPoolExists(loadBalancerPoolUUID);
 132     }
 133
 134     @Override
 135     protected Pools toMd(String uuid) {
 136         PoolsBuilder poolsBuilder = new PoolsBuilder();
 137         poolsBuilder.setUuid(toUuid(uuid));
 138         return poolsBuilder.build();
 139     }
 140
 141     @Override
 142     protected InstanceIdentifier<Pools> createInstanceIdentifier(Pools pools) {
 143         return InstanceIdentifier.create(Neutron.class)
 144                 .child(Pool.class)
 145                 .child(Pools.class, pools.getKey());
 146     }
 147
 148     @Override
 149     protected Pools toMd(NeutronLoadBalancerPool pools) {
 150         PoolsBuilder poolsBuilder = new PoolsBuilder();
 151         poolsBuilder.setAdminStateUp(pools.getLoadBalancerPoolAdminIsStateIsUp());
 152         if (pools.getLoadBalancerPoolDescription() != null) {
 153             poolsBuilder.setDescr(pools.getLoadBalancerPoolDescription());
 154         }
 155         if (pools.getNeutronLoadBalancerPoolHealthMonitorID() != null) {
 156             List<Uuid> listHealthMonitor = new ArrayList<Uuid>();
 157             listHealthMonitor.add(toUuid(pools.getNeutronLoadBalancerPoolHealthMonitorID()));
 158             poolsBuilder.setHealthmonitorIds(listHealthMonitor);
 159         }
 160         if (pools.getLoadBalancerPoolLbAlgorithm() != null) {
 161             poolsBuilder.setLbAlgorithm(pools.getLoadBalancerPoolLbAlgorithm());
 162         }
 163         if (pools.getLoadBalancerPoolListeners() != null) {
 164             List<Uuid> listListener = new ArrayList<Uuid>();
 165             for (Neutron_ID neutron_id : pools.getLoadBalancerPoolListeners()) {
 166                 listListener.add(toUuid(neutron_id.getID()));
 167             }
 168             poolsBuilder.setListeners(listListener);
 169         }
 170         if (pools.getLoadBalancerPoolMembers() != null) {
 171             List<Uuid> listMember = new ArrayList<Uuid>();
 172             for (NeutronLoadBalancerPoolMember laodBalancerPoolMember : pools.getLoadBalancerPoolMembers()) {
 173                 listMember.add(toUuid(laodBalancerPoolMember.getPoolMemberID()));
 174
 175             }
 176             poolsBuilder.setMembers(listMember);
 177         }
 178         if (pools.getLoadBalancerPoolName() != null) {
 179             poolsBuilder.setName(pools.getLoadBalancerPoolName());
 180         }
 181         if (pools.getLoadBalancerPoolProtocol() != null) {
 182             poolsBuilder.setProtocol(Protocol.valueOf(pools.getLoadBalancerPoolProtocol()));
 183         }
 184         if (pools.getLoadBalancerPoolSessionPersistence() != null) {
 185             NeutronLoadBalancer_SessionPersistence sessionPersistence = pools.getLoadBalancerPoolSessionPersistence();
 186             SessionPersistenceBuilder sessionPersistenceBuilder = new SessionPersistenceBuilder();
 187             sessionPersistenceBuilder.setCookieName(sessionPersistence.getCookieName());
 188             sessionPersistenceBuilder.setType(sessionPersistence.getType());
 189             poolsBuilder.setSessionPersistence(sessionPersistenceBuilder.build());
 190         }
 191         if (pools.getLoadBalancerPoolTenantID() != null) {
 192             poolsBuilder.setTenantId(toUuid(pools.getLoadBalancerPoolTenantID()));
 193         }
 194         if (pools.getLoadBalancerPoolID() != null) {
 195             poolsBuilder.setUuid(toUuid(pools.getLoadBalancerPoolID()));
 196         } else {
 197             logger.warn("Attempting to write neutron load balancer pool without UUID");
 198         }
 199         return poolsBuilder.build();
 200     }
 201 }