/* * Copyright IBM Corporation, 2013. All rights reserved. * * This program and the accompanying materials are made available under the * terms of the Eclipse Public License v1.0 which accompanies this distribution, * and is available at http://www.eclipse.org/legal/epl-v10.html */ package org.opendaylight.controller.networkconfig.neutron.implementation; import java.lang.reflect.Method; import java.util.ArrayList; import java.util.Dictionary; import java.util.EnumSet; import java.util.HashSet; import java.util.List; import java.util.Set; import java.util.Map.Entry; import java.util.concurrent.ConcurrentMap; import org.apache.felix.dm.Component; import org.opendaylight.controller.clustering.services.CacheConfigException; import org.opendaylight.controller.clustering.services.CacheExistException; import org.opendaylight.controller.clustering.services.IClusterContainerServices; import org.opendaylight.controller.clustering.services.IClusterServices; import org.opendaylight.controller.networkconfig.neutron.INeutronFloatingIPCRUD; import org.opendaylight.controller.networkconfig.neutron.INeutronNetworkCRUD; import org.opendaylight.controller.networkconfig.neutron.INeutronPortCRUD; import org.opendaylight.controller.networkconfig.neutron.INeutronSubnetCRUD; import org.opendaylight.controller.networkconfig.neutron.NeutronCRUDInterfaces; import org.opendaylight.controller.networkconfig.neutron.NeutronFloatingIP; import org.opendaylight.controller.networkconfig.neutron.NeutronPort; import org.opendaylight.controller.networkconfig.neutron.NeutronSubnet; import org.slf4j.Logger; import org.slf4j.LoggerFactory; public class NeutronFloatingIPInterface implements INeutronFloatingIPCRUD { private static final Logger logger = LoggerFactory.getLogger(NeutronFloatingIPInterface.class); private String containerName = null; private IClusterContainerServices clusterContainerService = null; private ConcurrentMap floatingIPDB; // methods needed for creating caches void setClusterContainerService(IClusterContainerServices s) { logger.debug("Cluster Service set"); this.clusterContainerService = s; } void unsetClusterContainerService(IClusterContainerServices s) { if (this.clusterContainerService == s) { logger.debug("Cluster Service removed!"); this.clusterContainerService = null; } } @SuppressWarnings("deprecation") private void allocateCache() { if (this.clusterContainerService == null) { logger.error("un-initialized clusterContainerService, can't create cache"); return; } logger.debug("Creating Cache for Neutron FloatingIPs"); try { // neutron caches this.clusterContainerService.createCache("neutronFloatingIPs", EnumSet.of(IClusterServices.cacheMode.NON_TRANSACTIONAL)); } catch (CacheConfigException cce) { logger.error("Cache couldn't be created for Neutron - check cache mode"); } catch (CacheExistException cce) { logger.error("Cache for Neutron already exists, destroy and recreate"); } logger.debug("Cache successfully created for NeutronFloatingIps"); } @SuppressWarnings({ "unchecked", "deprecation" }) private void retrieveCache() { if (this.clusterContainerService == null) { logger.error("un-initialized clusterContainerService, can't retrieve cache"); return; } logger.debug("Retrieving cache for Neutron FloatingIPs"); floatingIPDB = (ConcurrentMap) this.clusterContainerService .getCache("neutronFloatingIPs"); if (floatingIPDB == null) { logger.error("Cache couldn't be retrieved for Neutron FloatingIPs"); } logger.debug("Cache was successfully retrieved for Neutron FloatingIPs"); } @SuppressWarnings("deprecation") private void destroyCache() { if (this.clusterContainerService == null) { logger.error("un-initialized clusterMger, can't destroy cache"); return; } logger.debug("Destroying Cache for HostTracker"); this.clusterContainerService.destroyCache("neutronFloatingIPs"); } private void startUp() { allocateCache(); retrieveCache(); } /** * Function called by the dependency manager when all the required * dependencies are satisfied * */ void init(Component c) { Dictionary props = c.getServiceProperties(); if (props != null) { this.containerName = (String) props.get("containerName"); logger.debug("Running containerName: {}", this.containerName); } else { // In the Global instance case the containerName is empty this.containerName = ""; } startUp(); } /** * Function called by the dependency manager when at least one dependency * become unsatisfied or when the component is shutting down because for * example bundle is being stopped. * */ void destroy() { destroyCache(); } /** * Function called by dependency manager after "init ()" is called and after * the services provided by the class are registered in the service registry * */ void start() { } /** * Function called by the dependency manager before the services exported by * the component are unregistered, this will be followed by a "destroy ()" * calls * */ void stop() { } // this method uses reflection to update an object from it's delta. private boolean overwrite(Object target, Object delta) { Method[] methods = target.getClass().getMethods(); for(Method toMethod: methods){ if(toMethod.getDeclaringClass().equals(target.getClass()) && toMethod.getName().startsWith("set")){ String toName = toMethod.getName(); String fromName = toName.replace("set", "get"); try { Method fromMethod = delta.getClass().getMethod(fromName); Object value = fromMethod.invoke(delta, (Object[])null); if(value != null){ toMethod.invoke(target, value); } } catch (Exception e) { e.printStackTrace(); return false; } } } return true; } // IfNBFloatingIPCRUD interface methods public boolean floatingIPExists(String uuid) { return floatingIPDB.containsKey(uuid); } public NeutronFloatingIP getFloatingIP(String uuid) { if (!floatingIPExists(uuid)) return null; return floatingIPDB.get(uuid); } public List getAllFloatingIPs() { Set allIPs = new HashSet(); for (Entry entry : floatingIPDB.entrySet()) { NeutronFloatingIP floatingip = entry.getValue(); allIPs.add(floatingip); } logger.debug("Exiting getAllFloatingIPs, Found {} FloatingIPs", allIPs.size()); List ans = new ArrayList(); ans.addAll(allIPs); return ans; } public boolean addFloatingIP(NeutronFloatingIP input) { INeutronNetworkCRUD networkCRUD = NeutronCRUDInterfaces.getINeutronNetworkCRUD(this); INeutronSubnetCRUD subnetCRUD = NeutronCRUDInterfaces.getINeutronSubnetCRUD(this); INeutronPortCRUD portCRUD = NeutronCRUDInterfaces.getINeutronPortCRUD(this); if (floatingIPExists(input.getID())) return false; //if floating_ip_address isn't there, allocate from the subnet pool NeutronSubnet subnet = subnetCRUD.getSubnet(networkCRUD.getNetwork(input.getFloatingNetworkUUID()).getSubnets().get(0)); if (input.getFloatingIPAddress() == null) input.setFloatingIPAddress(subnet.getLowAddr()); subnet.allocateIP(input.getFloatingIPAddress()); //if port_id is there, bind port to this floating ip if (input.getPortUUID() != null) { NeutronPort port = portCRUD.getPort(input.getPortUUID()); port.addFloatingIP(input.getFixedIPAddress(), input); } floatingIPDB.putIfAbsent(input.getID(), input); return true; } public boolean removeFloatingIP(String uuid) { INeutronNetworkCRUD networkCRUD = NeutronCRUDInterfaces.getINeutronNetworkCRUD(this); INeutronSubnetCRUD subnetCRUD = NeutronCRUDInterfaces.getINeutronSubnetCRUD(this); INeutronPortCRUD portCRUD = NeutronCRUDInterfaces.getINeutronPortCRUD(this); if (!floatingIPExists(uuid)) return false; NeutronFloatingIP floatIP = getFloatingIP(uuid); //if floating_ip_address isn't there, allocate from the subnet pool NeutronSubnet subnet = subnetCRUD.getSubnet(networkCRUD.getNetwork(floatIP.getFloatingNetworkUUID()).getSubnets().get(0)); subnet.releaseIP(floatIP.getFloatingIPAddress()); if (floatIP.getPortUUID() != null) { NeutronPort port = portCRUD.getPort(floatIP.getPortUUID()); port.removeFloatingIP(floatIP.getFixedIPAddress()); } floatingIPDB.remove(uuid); return true; } public boolean updateFloatingIP(String uuid, NeutronFloatingIP delta) { INeutronPortCRUD portCRUD = NeutronCRUDInterfaces.getINeutronPortCRUD(this); if (!floatingIPExists(uuid)) return false; NeutronFloatingIP target = floatingIPDB.get(uuid); if (target.getPortUUID() != null) { NeutronPort port = portCRUD.getPort(target.getPortUUID()); port.removeFloatingIP(target.getFixedIPAddress()); } //if port_id is there, bind port to this floating ip if (delta.getPortUUID() != null) { NeutronPort port = portCRUD.getPort(delta.getPortUUID()); port.addFloatingIP(delta.getFixedIPAddress(), delta); } target.setPortUUID(delta.getPortUUID()); target.setFixedIPAddress(delta.getFixedIPAddress()); return true; } }