| /* |
| * Copyright 2014-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.cli.net; |
| |
| import org.apache.karaf.shell.commands.Argument; |
| import org.apache.karaf.shell.commands.Command; |
| import org.onosproject.net.Device; |
| import org.onosproject.net.Host; |
| import org.onosproject.net.Link; |
| import org.onosproject.net.device.DeviceAdminService; |
| import org.onosproject.net.flow.FlowRuleService; |
| import org.onosproject.net.group.GroupService; |
| import org.onosproject.net.host.HostAdminService; |
| import org.onosproject.net.intent.Intent; |
| import org.onosproject.net.intent.IntentService; |
| import org.onosproject.net.intent.IntentState; |
| import org.onosproject.net.link.LinkAdminService; |
| import org.onosproject.net.region.RegionAdminService; |
| import org.onosproject.ui.UiTopoLayoutService; |
| import java.util.EnumSet; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| import static org.onosproject.net.intent.IntentState.FAILED; |
| import static org.onosproject.net.intent.IntentState.WITHDRAWN; |
| |
| /** |
| * Wipes-out the entire network information base, i.e. devices, links, hosts, intents. |
| */ |
| @Command(scope = "onos", name = "wipe-out", |
| description = "Wipes-out the entire network information base, i.e. devices, links, hosts") |
| public class WipeOutCommand extends ClustersListCommand { |
| |
| private static final String PLEASE = "please"; |
| private static final EnumSet<IntentState> CAN_PURGE = EnumSet.of(WITHDRAWN, FAILED); |
| @Argument(index = 0, name = "please", description = "Confirmation phrase", |
| required = false, multiValued = false) |
| String please = null; |
| |
| @Override |
| protected void execute() { |
| if (please == null || !please.equals(PLEASE)) { |
| print("I'm afraid I can't do that!\nSay: %s", PLEASE); |
| return; |
| } |
| |
| wipeOutIntents(); |
| wipeOutHosts(); |
| wipeOutFlows(); |
| wipeOutGroups(); |
| wipeOutDevices(); |
| wipeOutLinks(); |
| |
| wipeOutLayouts(); |
| wipeOutRegions(); |
| } |
| |
| private void wipeOutIntents() { |
| print("Wiping intents"); |
| IntentService intentService = get(IntentService.class); |
| final CountDownLatch withdrawLatch; |
| withdrawLatch = new CountDownLatch(1); |
| for (Intent intent : intentService.getIntents()) { |
| if (intentService.getIntentState(intent.key()) != IntentState.WITHDRAWN) { |
| intentService.withdraw(intent); |
| try { // wait for withdraw event |
| withdrawLatch.await(5, TimeUnit.SECONDS); |
| } catch (InterruptedException e) { |
| print("Timed out waiting for intent {} withdraw"); |
| } |
| } |
| if (CAN_PURGE.contains(intentService.getIntentState(intent.key()))) { |
| intentService.purge(intent); |
| } |
| } |
| } |
| |
| private void wipeOutFlows() { |
| print("Wiping Flows"); |
| FlowRuleService flowRuleService = get(FlowRuleService.class); |
| DeviceAdminService deviceAdminService = get(DeviceAdminService.class); |
| for (Device device : deviceAdminService.getDevices()) { |
| flowRuleService.purgeFlowRules(device.id()); |
| } |
| } |
| |
| private void wipeOutGroups() { |
| print("Wiping groups"); |
| GroupService groupService = get(GroupService.class); |
| DeviceAdminService deviceAdminService = get(DeviceAdminService.class); |
| for (Device device : deviceAdminService.getDevices()) { |
| groupService.purgeGroupEntries(device.id()); |
| } |
| } |
| |
| private void wipeOutHosts() { |
| print("Wiping hosts"); |
| HostAdminService hostAdminService = get(HostAdminService.class); |
| while (hostAdminService.getHostCount() > 0) { |
| try { |
| for (Host host : hostAdminService.getHosts()) { |
| hostAdminService.removeHost(host.id()); |
| } |
| } catch (Exception e) { |
| log.info("Unable to wipe-out hosts", e); |
| } |
| } |
| } |
| |
| private void wipeOutDevices() { |
| print("Wiping devices"); |
| DeviceAdminService deviceAdminService = get(DeviceAdminService.class); |
| while (deviceAdminService.getDeviceCount() > 0) { |
| try { |
| for (Device device : deviceAdminService.getDevices()) { |
| deviceAdminService.removeDevice(device.id()); |
| } |
| } catch (Exception e) { |
| log.info("Unable to wipe-out devices", e); |
| } |
| } |
| } |
| |
| private void wipeOutLinks() { |
| print("Wiping links"); |
| LinkAdminService linkAdminService = get(LinkAdminService.class); |
| while (linkAdminService.getLinkCount() > 0) { |
| try { |
| for (Link link : linkAdminService.getLinks()) { |
| linkAdminService.removeLinks(link.src()); |
| linkAdminService.removeLinks(link.dst()); |
| } |
| } catch (Exception e) { |
| log.info("Unable to wipe-out links", e); |
| } |
| } |
| } |
| |
| private void wipeOutLayouts() { |
| print("Wiping UI layouts"); |
| UiTopoLayoutService service = get(UiTopoLayoutService.class); |
| // wipe out all layouts except the default, which should always be there |
| service.getLayouts().forEach(l -> { |
| if (!l.id().isDefault()) { |
| service.removeLayout(l); |
| } |
| }); |
| } |
| |
| private void wipeOutRegions() { |
| print("Wiping regions"); |
| RegionAdminService service = get(RegionAdminService.class); |
| service.getRegions().forEach(r -> service.removeRegion(r.id())); |
| } |
| } |