openstack/net-virt/src/main/java/org/opendaylight/ovsdb/openstack/netvirt/ConfigActivator.java

   1 /*
   2  * Copyright (c) 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;
  10
  11 import java.util.ArrayList;
  12 import java.util.Dictionary;
  13 import java.util.Hashtable;
  14 import java.util.List;
  15
  16 import org.apache.commons.lang3.tuple.Pair;
  17 import org.opendaylight.controller.md.sal.binding.api.DataBroker;
  18 import org.opendaylight.controller.sal.binding.api.BindingAwareBroker.ProviderContext;
  19 import org.opendaylight.neutron.spi.*;
  20 import org.opendaylight.ovsdb.openstack.netvirt.api.*;
  21 import org.opendaylight.ovsdb.openstack.netvirt.impl.*;
  22 import org.osgi.framework.BundleActivator;
  23 import org.osgi.framework.BundleContext;
  24 import org.osgi.framework.ServiceReference;
  25 import org.osgi.framework.ServiceRegistration;
  26 import org.osgi.util.tracker.ServiceTracker;
  27 import org.slf4j.Logger;
  28 import org.slf4j.LoggerFactory;
  29
  30 public class ConfigActivator implements BundleActivator {
  31     private static final Logger LOG = LoggerFactory.getLogger(ConfigActivator.class);
  32     private List<Pair<Object, ServiceRegistration>> servicesAndRegistrations = new ArrayList<>();
  33     private ProviderContext providerContext;
  34
  35     public ConfigActivator(ProviderContext providerContext) {
  36         this.providerContext = providerContext;
  37     }
  38
  39     @Override
  40     public void start(BundleContext context) throws Exception {
  41         LOG.info("ConfigActivator start:");
  42
  43         ConfigurationServiceImpl configurationService = new ConfigurationServiceImpl();
  44         registerService(context, new String[] {ConfigurationService.class.getName()},
  45                 null, configurationService);
  46
  47         BridgeConfigurationManagerImpl bridgeConfigurationManager = new BridgeConfigurationManagerImpl();
  48         registerService(context, new String[] {BridgeConfigurationManager.class.getName()},
  49                 null, bridgeConfigurationManager);
  50
  51         final TenantNetworkManagerImpl tenantNetworkManager = new TenantNetworkManagerImpl();
  52         registerService(context, new String[] {TenantNetworkManager.class.getName()},
  53                 null, tenantNetworkManager);
  54
  55         VlanConfigurationCacheImpl vlanConfigurationCache = new VlanConfigurationCacheImpl();
  56         registerService(context, new String[] {VlanConfigurationCache.class.getName()},
  57                 null, vlanConfigurationCache);
  58
  59         FloatingIPHandler floatingIPHandler = new FloatingIPHandler();
  60         registerAbstractHandlerService(context, new Class[] {INeutronFloatingIPAware.class},
  61                 AbstractEvent.HandlerType.NEUTRON_FLOATING_IP, floatingIPHandler);
  62
  63         final NetworkHandler networkHandler = new NetworkHandler();
  64         registerAbstractHandlerService(context, new Class[] {INeutronNetworkAware.class},
  65                 AbstractEvent.HandlerType.NEUTRON_NETWORK, networkHandler);
  66
  67         SubnetHandler subnetHandler = new SubnetHandler();
  68         registerAbstractHandlerService(context, new Class[] {INeutronSubnetAware.class},
  69                 AbstractEvent.HandlerType.NEUTRON_SUBNET, subnetHandler);
  70
  71         PortHandler portHandler = new PortHandler();
  72         registerAbstractHandlerService(context, new Class[] {INeutronPortAware.class},
  73                 AbstractEvent.HandlerType.NEUTRON_PORT, portHandler);
  74
  75         RouterHandler routerHandler = new RouterHandler();
  76         registerAbstractHandlerService(context, new Class[] {INeutronRouterAware.class},
  77                 AbstractEvent.HandlerType.NEUTRON_ROUTER, routerHandler);
  78
  79         SouthboundHandler southboundHandler = new SouthboundHandler();
  80         registerAbstractHandlerService(context, new Class[] {OvsdbInventoryListener.class, NodeCacheListener.class},
  81                 AbstractEvent.HandlerType.SOUTHBOUND, southboundHandler);
  82
  83         final LBaaSHandler lBaaSHandler = new LBaaSHandler();
  84         registerAbstractHandlerService(context, new Class[] {INeutronLoadBalancerAware.class, NodeCacheListener.class},
  85                 AbstractEvent.HandlerType.NEUTRON_LOAD_BALANCER, lBaaSHandler);
  86
  87         final LBaaSPoolHandler lBaaSPoolHandler = new LBaaSPoolHandler();
  88         registerAbstractHandlerService(context, new Class[] {INeutronLoadBalancerPoolAware.class},
  89                 AbstractEvent.HandlerType.NEUTRON_LOAD_BALANCER_POOL, lBaaSPoolHandler);
  90
  91         final LBaaSPoolMemberHandler lBaaSPoolMemberHandler = new LBaaSPoolMemberHandler();
  92         registerAbstractHandlerService(context, new Class[] {INeutronLoadBalancerPoolMemberAware.class},
  93                 AbstractEvent.HandlerType.NEUTRON_LOAD_BALANCER_POOL_MEMBER, lBaaSPoolMemberHandler);
  94
  95         PortSecurityHandler portSecurityHandler = new PortSecurityHandler();
  96         registerAbstractHandlerService(context,
  97                 new Class[] {INeutronSecurityRuleAware.class, INeutronSecurityGroupAware.class},
  98                 AbstractEvent.HandlerType.NEUTRON_PORT_SECURITY, portSecurityHandler);
  99
 100         final SecurityServicesImpl securityServices = new SecurityServicesImpl();
 101         registerService(context,
 102                 new String[]{SecurityServicesManager.class.getName()}, null, securityServices);
 103
 104         FWaasHandler fWaasHandler = new FWaasHandler();
 105         registerAbstractHandlerService(context,
 106                 new Class[] {INeutronFirewallAware.class, INeutronFirewallRuleAware.class, INeutronFirewallPolicyAware.class},
 107                 AbstractEvent.HandlerType.NEUTRON_FWAAS, fWaasHandler);
 108
 109         ProviderNetworkManagerImpl providerNetworkManager = new ProviderNetworkManagerImpl();
 110         registerService(context,
 111                 new String[]{NetworkingProviderManager.class.getName()}, null, providerNetworkManager);
 112
 113         EventDispatcherImpl eventDispatcher = new EventDispatcherImpl();
 114         registerService(context,
 115                 new String[]{EventDispatcher.class.getName()}, null, eventDispatcher);
 116
 117         final NeutronL3Adapter neutronL3Adapter = new NeutronL3Adapter();
 118         registerService(context,
 119                 new String[]{NeutronL3Adapter.class.getName()}, null, neutronL3Adapter);
 120
 121         OpenstackRouter openstackRouter = new OpenstackRouter();
 122         registerService(context,
 123                 new String[]{MultiTenantAwareRouter.class.getName()}, null, openstackRouter);
 124
 125         Southbound southbound = new SouthboundImpl(providerContext.getSALService(DataBroker.class));
 126         registerService(context,
 127                 new String[]{Southbound.class.getName()}, null, southbound);
 128
 129         NodeCacheManagerImpl nodeCacheManager = new NodeCacheManagerImpl();
 130         registerAbstractHandlerService(context, new Class[] {NodeCacheManager.class},
 131                 AbstractEvent.HandlerType.NODE, nodeCacheManager);
 132
 133         OvsdbInventoryServiceImpl ovsdbInventoryService = new OvsdbInventoryServiceImpl(providerContext);
 134         registerService(context,
 135                 new String[] {OvsdbInventoryService.class.getName()}, null, ovsdbInventoryService);
 136
 137         // Call .setDependencies() starting with the last service registered
 138         for (int i = servicesAndRegistrations.size() - 1; i >= 0; i--) {
 139             Pair<Object, ServiceRegistration> serviceAndRegistration = servicesAndRegistrations.get(i);
 140             Object service = serviceAndRegistration.getLeft();
 141             ServiceRegistration<?> serviceRegistration = serviceAndRegistration.getRight();
 142             LOG.info("Setting dependencies on service {}/{}, {}", i, servicesAndRegistrations.size(),
 143                     service.getClass());
 144             if (service instanceof ConfigInterface) {
 145                 ((ConfigInterface) service).setDependencies(
 146                         serviceRegistration != null ? serviceRegistration.getReference() : null);
 147                 LOG.info("Dependencies set");
 148             } else {
 149                 LOG.warn("Service isn't a ConfigInterface");
 150             }
 151         }
 152
 153         // TODO check if services are already available and setDependencies
 154         // addingService may not be called if the service is already available when the ServiceTracker
 155         // is started
 156         trackService(context, INeutronNetworkCRUD.class, tenantNetworkManager, networkHandler, lBaaSHandler,
 157                 lBaaSPoolHandler, lBaaSPoolMemberHandler, neutronL3Adapter);
 158         trackService(context, INeutronSubnetCRUD.class, lBaaSHandler, lBaaSPoolHandler, lBaaSPoolMemberHandler,
 159                 securityServices, neutronL3Adapter);
 160         trackService(context, INeutronPortCRUD.class, tenantNetworkManager, lBaaSHandler, lBaaSPoolHandler,
 161                 lBaaSPoolMemberHandler, securityServices, neutronL3Adapter);
 162         trackService(context, INeutronLoadBalancerCRUD.class, lBaaSHandler, lBaaSPoolHandler, lBaaSPoolMemberHandler);
 163         trackService(context, INeutronLoadBalancerPoolCRUD.class, lBaaSHandler, lBaaSPoolMemberHandler);
 164         trackService(context, LoadBalancerProvider.class, lBaaSHandler, lBaaSPoolHandler, lBaaSPoolMemberHandler);
 165         trackService(context, ArpProvider.class, neutronL3Adapter);
 166         trackService(context, InboundNatProvider.class, neutronL3Adapter);
 167         trackService(context, OutboundNatProvider.class, neutronL3Adapter);
 168         trackService(context, RoutingProvider.class, neutronL3Adapter);
 169         trackService(context, L3ForwardingProvider.class, neutronL3Adapter);
 170         trackService(context, GatewayMacResolver.class, neutronL3Adapter);
 171
 172         // We no longer need to track the services, avoid keeping references around
 173         servicesAndRegistrations.clear();
 174     }
 175
 176     private void trackService(BundleContext context, final Class<?> clazz, final ConfigInterface... dependents) {
 177         @SuppressWarnings("unchecked")
 178         ServiceTracker tracker = new ServiceTracker(context, clazz, null) {
 179             @Override
 180             public Object addingService(ServiceReference reference) {
 181                 LOG.info("addingService " + clazz.getName());
 182                 Object service = context.getService(reference);
 183                 if (service != null) {
 184                     for (ConfigInterface dependent : dependents) {
 185                         dependent.setDependencies(service);
 186                     }
 187                 }
 188                 return service;
 189             }
 190         };
 191         tracker.open();
 192     }
 193
 194     private void registerAbstractHandlerService(BundleContext context, Class[] interfaces,
 195                                                 AbstractEvent.HandlerType handlerType, AbstractHandler handler) {
 196         Dictionary<String, Object> properties = new Hashtable<>();
 197         properties.put(Constants.EVENT_HANDLER_TYPE_PROPERTY, handlerType);
 198         String[] interfaceNames = new String[interfaces.length + 1];
 199         for (int i = 0; i < interfaces.length; i++) {
 200             interfaceNames[i] = interfaces[i].getName();
 201         }
 202         interfaceNames[interfaces.length] = AbstractHandler.class.getName();
 203         registerService(context, interfaceNames, properties, handler);
 204     }
 205
 206
 207     @Override
 208     public void stop(BundleContext context) throws Exception {
 209         LOG.info("ConfigActivator stop");
 210         // ServiceTrackers and services are already released when bundle stops,
 211         // so we don't need to close the trackers or unregister the services
 212     }
 213
 214     private ServiceRegistration<?> registerService(BundleContext bundleContext, String[] interfaces,
 215                                                    Dictionary<String, Object> properties, Object impl) {
 216         ServiceRegistration serviceRegistration = bundleContext.registerService(interfaces, impl, properties);
 217         if (serviceRegistration == null) {
 218             LOG.warn("Service registration for {} failed to return a ServiceRegistration instance", impl.getClass());
 219         }
 220         servicesAndRegistrations.add(Pair.of(impl, serviceRegistration));
 221         return serviceRegistration;
 222     }
 223 }