/* * Copyright 2017-present Open Networking Laboratory * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.onosproject.routing.cli; import org.apache.karaf.shell.commands.Argument; import org.apache.karaf.shell.commands.Command; import org.onlab.packet.IpAddress; import org.onosproject.cli.AbstractShellCommand; import org.onosproject.core.ApplicationId; import org.onosproject.core.CoreService; import org.onosproject.incubator.net.intf.InterfaceService; import org.onosproject.net.config.NetworkConfigService; import org.onosproject.routing.RoutingService; import org.onosproject.routing.config.BgpConfig; /** * Command to add new BGP peer to existing internal speaker. */ @Command(scope = "onos", name = "bgp-peer-add", description = "Adds an external BGP router as peer to an existing BGP speaker") public class AddPeerCommand extends AbstractShellCommand { @Argument(index = 0, name = "name", description = "Name of the internal BGP speaker", required = true, multiValued = false) String name = null; @Argument(index = 1, name = "ip", description = "IP address of the BGP peer", required = true, multiValued = false) String ip = null; private static final String PEER_ADD_SUCCESS = "Peer Successfully Added."; private static final String NO_CONFIGURATION = "No speakers configured"; private static final String SPEAKER_NOT_FOUND = "Speaker with name \'%s\' not found"; private static final String NO_INTERFACE = "No matching interface found for IP \'%s\'"; private IpAddress peerAddress = null; @Override protected void execute() { peerAddress = IpAddress.valueOf(ip); NetworkConfigService configService = get(NetworkConfigService.class); CoreService coreService = get(CoreService.class); ApplicationId appId = coreService.getAppId(RoutingService.ROUTER_APP_ID); BgpConfig config = configService.getConfig(appId, BgpConfig.class); if (config == null || config.bgpSpeakers().isEmpty()) { print(NO_CONFIGURATION); return; } BgpConfig.BgpSpeakerConfig speaker = config.getSpeakerWithName(name); if (speaker == null) { print(SPEAKER_NOT_FOUND, name); return; } else { if (speaker.isConnectedToPeer(peerAddress)) { return; // Peering already exists. } } InterfaceService interfaceService = get(InterfaceService.class); if (interfaceService.getMatchingInterface(peerAddress) == null) { print(NO_INTERFACE, ip); return; } addPeerToSpeakerConf(config); configService.applyConfig(appId, BgpConfig.class, config.node()); print(PEER_ADD_SUCCESS); } private void addPeerToSpeakerConf(BgpConfig config) { log.debug("Creating BGP configuration for new peer: {}", ip); config.addPeerToSpeaker(name, peerAddress); } }