Java tutorial
/* * Copyright (c) 2014 Cisco Systems, Inc. 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.lispflowmapping.neutron; import java.net.HttpURLConnection; import java.util.List; import java.util.concurrent.Future; import org.apache.commons.lang3.exception.ExceptionUtils; import org.opendaylight.lispflowmapping.lisp.util.LispAddressUtil; import org.opendaylight.neutron.spi.INeutronPortAware; import org.opendaylight.neutron.spi.NeutronPort; import org.opendaylight.neutron.spi.Neutron_IPs; import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.eid.container.Eid; import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.locatorrecords.LocatorRecord; import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.lisp.proto.rev151105.mapping.record.container.MappingRecord; import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.GetMappingInput; import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.GetMappingOutput; import org.opendaylight.yang.gen.v1.urn.opendaylight.lfm.mappingservice.rev150906.OdlMappingserviceService; import org.opendaylight.yangtools.yang.common.RpcResult; /** * Lisp Service implementation of NeutronPortAware API Creation of a new port * results adding the mapping for the port's IP addresses to the port's host_ip * in the mapping service. Currently the NetronPort object does not carry the * required information to achieve the port's host_ip. Once such extension is * available this class shall be updated. * * @author Vina Ermagan * */ public class LispNeutronPortHandler extends LispNeutronService implements INeutronPortAware { // The implementation for each of these services is resolved by the OSGi // Service Manager private volatile ILispNeutronService lispNeutronService; @Override public int canCreatePort(NeutronPort port) { LOG.info("Neutron canCreatePort : Port name: " + port.getName()); return HttpURLConnection.HTTP_OK; } @Override public void neutronPortCreated(NeutronPort port) { // TODO Consider adding Port MAC -> Port fixed IP in MS // TODO Add Port fixed ip -> host ip , if Port.host_id mapping to // host_ip exists in MS LOG.debug("Neutron Port Created : " + port.toString()); // Check if port.hostID is in map-server, if it is, get host eidtoloc // record? if (port.getBindinghostID() == null) { LOG.error( "Adding new Neutron port to lisp mapping service failed. Port does not have Host_ID. Port: {}", port.toString()); return; } Eid hostAddress = LispAddressUtil.asDistinguishedNameEid(port.getBindinghostID()); MappingRecord eidRecord; List<LocatorRecord> hostLocRecords; GetMappingInput input = LispUtil.buildGetMappingInput(hostAddress); try { OdlMappingserviceService lfmdb = lispNeutronService.getMappingDbService(); if (lfmdb == null) { LOG.debug("lfmdb is null!!!"); return; } Future<RpcResult<GetMappingOutput>> result = lfmdb.getMapping(input); GetMappingOutput output = result.get().getResult(); // TODO for now only selecting the first EidToLocatorRecord from the // Host_ID mapping eidRecord = output.getMappingRecord(); hostLocRecords = eidRecord.getLocatorRecord(); LOG.debug("hostLocRecords is : {}", hostLocRecords); } catch (Exception e) { LOG.warn("Failed to GET mapping for EID {}: , mappingInput: {} , Exception: {}", hostAddress, input, ExceptionUtils.getStackTrace(e)); return; } List<Neutron_IPs> fixedIPs = port.getFixedIPs(); if (fixedIPs != null && fixedIPs.size() > 0) { Eid eidAddress; for (Neutron_IPs ip : fixedIPs) { // TODO Add check/support for IPv6. // Get subnet for this port, based on v4 or v6 decide address // iana code. eidAddress = LispAddressUtil.asIpv4PrefixEid(ip.getIpAddress() + "/32"); lispNeutronService.getMappingDbService() .addMapping(LispUtil.buildAddMappingInput(eidAddress, hostLocRecords)); } } LOG.info("Neutron Port Created: Port name: " + port.getName() + " Port Fixed IP: " + (port.getFixedIPs() != null ? port.getFixedIPs().get(0) : "No Fixed IP assigned")); } @Override public int canUpdatePort(NeutronPort delta, NeutronPort original) { // TODO Change of Fixed IPs are not allowed as we are storing ports by // fixed IPs for now if (original.getFixedIPs().equals(original.getFixedIPs())) { LOG.info("Neutron canUpdatePort : Port name: " + original.getName() + " Port Fixed IP: " + (original.getFixedIPs() != null ? original.getFixedIPs().get(0) : "No Fixed IP assigned") + "New Port Fixed IP: " + (delta.getFixedIPs() != null ? delta.getFixedIPs().get(0) : "No Fixed IP assigned")); LOG.debug("Neutron canUpdatePort : original" + original.toString() + " delta : " + delta.toString()); return HttpURLConnection.HTTP_OK; } return HttpURLConnection.HTTP_NOT_IMPLEMENTED; } @Override public void neutronPortUpdated(NeutronPort port) { // TODO Port IP and port's host ip is stored by Lisp Neutron Service. If // there is change to these fields, the update needs to be processed. LOG.info("Neutron Port updated: Port name: " + port.getName() + " Port Fixed IP: " + (port.getFixedIPs() != null ? port.getFixedIPs().get(0) : "No Fixed IP assigned")); LOG.debug("Neutron Port Updated : " + port.toString()); } @Override public int canDeletePort(NeutronPort port) { // TODO Check if Port IPs are stored by Lisp Neutron Service. if not // return error code. LOG.info("Neutron canDeletePort : Port name: " + port.getName() + " Port Fixed IP: " + (port.getFixedIPs() != null ? port.getFixedIPs().get(0) : "No Fixed IP assigned")); LOG.debug("Neutron canDeltePort: " + port.toString()); return HttpURLConnection.HTTP_OK; } @Override public void neutronPortDeleted(NeutronPort port) { // TODO if port ips existed in MapServer, delete them. Else, log error. LOG.info("Neutron Port Deleted: Port name: " + port.getName() + " Port Fixed IP: " + (port.getFixedIPs() != null ? port.getFixedIPs().get(0) : "No Fixed IP assigned")); LOG.debug("Neutron Port Deleted : " + port.toString()); List<Neutron_IPs> fixedIPs = port.getFixedIPs(); if (fixedIPs != null && fixedIPs.size() > 0) { Eid eidAddress; for (Neutron_IPs ip : fixedIPs) { // TODO Add check/support for IPv6. // Get subnet for this port, based on v4 or v6 decide address // iana code. eidAddress = LispAddressUtil.asIpv4PrefixEid(ip.getIpAddress() + "/32"); lispNeutronService.getMappingDbService() .removeMapping(LispUtil.buildRemoveMappingInput(eidAddress)); LOG.info("Neutron Port mapping deleted from lisp: " + " Port Fixed IP: " + ip + "Port host IP: "); } } } }