openstack/net-virt/src/main/java/org/opendaylight/ovsdb/openstack/netvirt/translator/crud/impl/NeutronLoadBalancerInterface.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.ovsdb.openstack.netvirt.translator.crud.impl;
  10
  11 import java.util.ArrayList;
  12 import java.util.HashSet;
  13 import java.util.List;
  14 import java.util.Map.Entry;
  15 import java.util.Set;
  16 import java.util.concurrent.ConcurrentHashMap;
  17 import java.util.concurrent.ConcurrentMap;
  18
  19 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ProviderContext;
  20 import org.opendaylight.ovsdb.openstack.netvirt.translator.NeutronLoadBalancer;
  21 import org.opendaylight.ovsdb.openstack.netvirt.translator.crud.INeutronLoadBalancerCRUD;
  22 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.inet.types.rev100924.IpAddress;
  23 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.lbaasv2.rev150712.lbaas.attributes.Loadbalancers;
  24 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.lbaasv2.rev150712.lbaas.attributes.loadbalancers.Loadbalancer;
  25 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.lbaasv2.rev150712.lbaas.attributes.loadbalancers.LoadbalancerBuilder;
  26 import org.opendaylight.yang.gen.v1.urn.opendaylight.neutron.rev150712.Neutron;
  27 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  28 import org.osgi.framework.BundleContext;
  29 import org.osgi.framework.ServiceRegistration;
  30 import org.slf4j.Logger;
  31 import org.slf4j.LoggerFactory;
  32
  33 /**
  34  * TODO: Migrate this to consume the MD-SAL data store, so that it can read all the data from data store.
  35  * No need to worry about the write/update related methods here. OVSDB net-virt will use these CRUD Interface
  36  * only for reading. We will cleanup these interface/methods later.
  37  */
  38 public class NeutronLoadBalancerInterface extends AbstractNeutronInterface<Loadbalancer, NeutronLoadBalancer> implements INeutronLoadBalancerCRUD {
  39     private static final Logger LOGGER = LoggerFactory.getLogger(NeutronLoadBalancerInterface.class);
  40     private ConcurrentMap<String, NeutronLoadBalancer> loadBalancerDB  = new ConcurrentHashMap<String, NeutronLoadBalancer>();
  41
  42
  43     NeutronLoadBalancerInterface(ProviderContext providerContext) {
  44         super(providerContext);
  45     }
  46
  47     @Override
  48     public boolean neutronLoadBalancerExists(String uuid) {
  49         return loadBalancerDB.containsKey(uuid);
  50     }
  51
  52     @Override
  53     public NeutronLoadBalancer getNeutronLoadBalancer(String uuid) {
  54         if (!neutronLoadBalancerExists(uuid)) {
  55             LOGGER.debug("No LoadBalancer Have Been Defined");
  56             return null;
  57         }
  58         return loadBalancerDB.get(uuid);
  59     }
  60
  61     @Override
  62     public List<NeutronLoadBalancer> getAllNeutronLoadBalancers() {
  63         Set<NeutronLoadBalancer> allLoadBalancers = new HashSet<NeutronLoadBalancer>();
  64         for (Entry<String, NeutronLoadBalancer> entry : loadBalancerDB.entrySet()) {
  65             NeutronLoadBalancer loadBalancer = entry.getValue();
  66             allLoadBalancers.add(loadBalancer);
  67         }
  68         LOGGER.debug("Exiting getLoadBalancers, Found {} OpenStackLoadBalancer", allLoadBalancers.size());
  69         List<NeutronLoadBalancer> ans = new ArrayList<NeutronLoadBalancer>();
  70         ans.addAll(allLoadBalancers);
  71         return ans;
  72     }
  73
  74     @Override
  75     public boolean addNeutronLoadBalancer(NeutronLoadBalancer input) {
  76         if (neutronLoadBalancerExists(input.getID())) {
  77             return false;
  78         }
  79         loadBalancerDB.putIfAbsent(input.getID(), input);
  80         //TODO: add code to find INeutronLoadBalancerAware services and call newtorkCreated on them
  81         return true;
  82     }
  83
  84     @Override
  85     public boolean removeNeutronLoadBalancer(String uuid) {
  86         if (!neutronLoadBalancerExists(uuid)) {
  87             return false;
  88         }
  89         loadBalancerDB.remove(uuid);
  90         //TODO: add code to find INeutronLoadBalancerAware services and call newtorkDeleted on them
  91         return true;
  92     }
  93
  94     @Override
  95     public boolean updateNeutronLoadBalancer(String uuid, NeutronLoadBalancer delta) {
  96         if (!neutronLoadBalancerExists(uuid)) {
  97             return false;
  98         }
  99         NeutronLoadBalancer target = loadBalancerDB.get(uuid);
 100         return overwrite(target, delta);
 101     }
 102
 103     @Override
 104     public boolean neutronLoadBalancerInUse(String loadBalancerUUID) {
 105         return !neutronLoadBalancerExists(loadBalancerUUID);
 106     }
 107
 108     @Override
 109     protected Loadbalancer toMd(String uuid) {
 110         LoadbalancerBuilder loadBalancersBuilder = new LoadbalancerBuilder();
 111         loadBalancersBuilder.setUuid(toUuid(uuid));
 112         return loadBalancersBuilder.build();
 113     }
 114
 115     @Override
 116     protected InstanceIdentifier<Loadbalancer> createInstanceIdentifier(
 117             Loadbalancer loadBalancer) {
 118         return InstanceIdentifier.create(Neutron.class)
 119                 .child(Loadbalancers.class)
 120                 .child(Loadbalancer.class, loadBalancer.getKey());
 121     }
 122
 123     @Override
 124     protected Loadbalancer toMd(NeutronLoadBalancer loadBalancer) {
 125         LoadbalancerBuilder loadBalancersBuilder = new LoadbalancerBuilder();
 126         loadBalancersBuilder.setAdminStateUp(loadBalancer.getLoadBalancerAdminStateUp());
 127         if (loadBalancer.getLoadBalancerDescription() != null) {
 128             loadBalancersBuilder.setDescr(loadBalancer.getLoadBalancerDescription());
 129         }
 130         if (loadBalancer.getLoadBalancerName() != null) {
 131             loadBalancersBuilder.setName(loadBalancer.getLoadBalancerName());
 132         }
 133         if (loadBalancer.getLoadBalancerStatus() != null) {
 134             loadBalancersBuilder.setStatus(loadBalancer.getLoadBalancerStatus());
 135         }
 136         if (loadBalancer.getLoadBalancerTenantID() != null) {
 137             loadBalancersBuilder.setTenantId(toUuid(loadBalancer.getLoadBalancerTenantID()));
 138         }
 139         if (loadBalancer.getLoadBalancerVipAddress() != null) {
 140             loadBalancersBuilder.setVipAddress(new IpAddress(loadBalancer.getLoadBalancerVipAddress().toCharArray()));
 141         }
 142         if (loadBalancer.getLoadBalancerVipSubnetID() != null) {
 143             loadBalancersBuilder.setVipSubnetId(toUuid(loadBalancer.getLoadBalancerVipSubnetID()));
 144         }
 145         if (loadBalancer.getID() != null) {
 146             loadBalancersBuilder.setUuid(toUuid(loadBalancer.getID()));
 147         } else {
 148             LOGGER.warn("Attempting to write neutron load balancer without UUID");
 149         }
 150         return loadBalancersBuilder.build();
 151     }
 152
 153     public static void registerNewInterface(BundleContext context,
 154                                             ProviderContext providerContext,
 155                                             List<ServiceRegistration<?>> registrations) {
 156         NeutronLoadBalancerInterface neutronLoadBalancerInterface = new NeutronLoadBalancerInterface(providerContext);
 157         ServiceRegistration<INeutronLoadBalancerCRUD> neutronLoadBalancerInterfaceRegistration = context.registerService(INeutronLoadBalancerCRUD.class, neutronLoadBalancerInterface, null);
 158         if(neutronLoadBalancerInterfaceRegistration != null) {
 159             registrations.add(neutronLoadBalancerInterfaceRegistration);
 160         }
 161     }
 162 }