| /* |
| * Copyright 2018-present Open Networking Foundation |
| * |
| * 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.segmentrouting.cli; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.google.common.collect.Sets; |
| import org.apache.karaf.shell.api.action.Argument; |
| import org.apache.karaf.shell.api.action.Command; |
| import org.apache.karaf.shell.api.action.lifecycle.Service; |
| import org.onlab.packet.IpPrefix; |
| import org.onosproject.cli.AbstractShellCommand; |
| import org.onosproject.net.config.NetworkConfigService; |
| import org.onosproject.segmentrouting.SegmentRoutingService; |
| import org.onosproject.segmentrouting.config.SegmentRoutingAppConfig; |
| |
| import java.util.Set; |
| |
| /** |
| * CLI command for managing black hole routes. |
| */ |
| @Service |
| @Command(scope = "onos", name = "sr-blackhole", |
| description = "Manage black hole routes") |
| public class BlackHoleCommand extends AbstractShellCommand { |
| @Argument(index = 0, name = "op", |
| description = "list, add or remove", |
| required = true, multiValued = false) |
| private String op; |
| |
| @Argument(index = 1, name = "prefix", |
| description = "IP prefix", |
| required = false, multiValued = false) |
| private String prefix; |
| |
| @Override |
| protected void doExecute() { |
| SegmentRoutingService srService = AbstractShellCommand.get(SegmentRoutingService.class); |
| NetworkConfigService netcfgService = AbstractShellCommand.get(NetworkConfigService.class); |
| |
| SegmentRoutingAppConfig appConfig = netcfgService.getConfig(srService.appId(), SegmentRoutingAppConfig.class); |
| if (appConfig == null) { |
| JsonNode jsonNode = new ObjectMapper().createObjectNode(); |
| netcfgService.applyConfig(srService.appId(), SegmentRoutingAppConfig.class, jsonNode); |
| appConfig = netcfgService.getConfig(srService.appId(), SegmentRoutingAppConfig.class); |
| } |
| |
| Set<IpPrefix> blackHoleIps; |
| switch (op) { |
| case "list": |
| appConfig.blackholeIPs().forEach(prefix -> print(prefix.toString())); |
| break; |
| case "add": |
| blackHoleIps = Sets.newConcurrentHashSet(appConfig.blackholeIPs()); |
| blackHoleIps.add(IpPrefix.valueOf(prefix)); |
| appConfig.setBalckholeIps(blackHoleIps); |
| break; |
| case "remove": |
| blackHoleIps = Sets.newConcurrentHashSet(appConfig.blackholeIPs()); |
| blackHoleIps.remove(IpPrefix.valueOf(prefix)); |
| appConfig.setBalckholeIps(blackHoleIps); |
| break; |
| default: |
| throw new UnsupportedOperationException("Unknown operation " + op); |
| } |
| } |
| } |