daniel park | 128c52c | 2017-09-04 13:15:51 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2017-present Open Networking Foundation |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.openstacknetworkingui; |
| 17 | |
| 18 | import com.fasterxml.jackson.databind.ObjectMapper; |
Daniel Park | 819f4e8 | 2018-07-02 14:22:31 +0900 | [diff] [blame] | 19 | import com.fasterxml.jackson.databind.node.ArrayNode; |
daniel park | 128c52c | 2017-09-04 13:15:51 +0900 | [diff] [blame] | 20 | import com.fasterxml.jackson.databind.node.ObjectNode; |
Daniel Park | 577b69c | 2018-07-16 17:29:34 +0900 | [diff] [blame] | 21 | import com.google.common.base.Charsets; |
daniel park | 128c52c | 2017-09-04 13:15:51 +0900 | [diff] [blame] | 22 | import com.google.common.base.Strings; |
| 23 | import com.google.common.collect.ImmutableSet; |
| 24 | import com.google.common.collect.Lists; |
| 25 | import com.google.common.collect.Sets; |
| 26 | import com.google.common.collect.Streams; |
Daniel Park | 577b69c | 2018-07-16 17:29:34 +0900 | [diff] [blame] | 27 | import org.apache.sshd.client.SshClient; |
| 28 | import org.apache.sshd.client.channel.ClientChannel; |
| 29 | import org.apache.sshd.client.channel.ClientChannelEvent; |
| 30 | import org.apache.sshd.client.future.OpenFuture; |
| 31 | import org.apache.sshd.client.session.ClientSession; |
| 32 | import org.apache.sshd.common.util.io.NoCloseInputStream; |
daniel park | 128c52c | 2017-09-04 13:15:51 +0900 | [diff] [blame] | 33 | import org.onlab.osgi.ServiceDirectory; |
Daniel Park | 577b69c | 2018-07-16 17:29:34 +0900 | [diff] [blame] | 34 | import org.onlab.packet.IpAddress; |
daniel park | 128c52c | 2017-09-04 13:15:51 +0900 | [diff] [blame] | 35 | import org.onosproject.net.Device; |
| 36 | import org.onosproject.net.DeviceId; |
| 37 | import org.onosproject.net.Element; |
| 38 | import org.onosproject.net.Host; |
| 39 | import org.onosproject.net.HostId; |
| 40 | import org.onosproject.net.Path; |
| 41 | import org.onosproject.net.device.DeviceService; |
| 42 | import org.onosproject.net.host.HostService; |
| 43 | import org.onosproject.net.topology.PathService; |
Daniel Park | 577b69c | 2018-07-16 17:29:34 +0900 | [diff] [blame] | 44 | import org.onosproject.openstacknetworking.api.InstancePort; |
| 45 | import org.onosproject.openstacknetworking.api.InstancePortService; |
| 46 | import org.onosproject.openstacknetworking.api.OpenstackNetworkService; |
| 47 | import org.onosproject.openstacknode.api.OpenstackNode; |
| 48 | import org.onosproject.openstacknode.api.OpenstackNodeService; |
| 49 | import org.onosproject.openstacknode.api.OpenstackSshAuth; |
daniel park | 128c52c | 2017-09-04 13:15:51 +0900 | [diff] [blame] | 50 | import org.onosproject.ui.JsonUtils; |
| 51 | import org.onosproject.ui.RequestHandler; |
| 52 | import org.onosproject.ui.UiConnection; |
| 53 | import org.onosproject.ui.UiMessageHandler; |
daniel park | 128c52c | 2017-09-04 13:15:51 +0900 | [diff] [blame] | 54 | import org.onosproject.ui.topo.Highlights; |
| 55 | import org.onosproject.ui.topo.HostHighlight; |
| 56 | import org.onosproject.ui.topo.NodeBadge; |
| 57 | import org.onosproject.ui.topo.NodeBadge.Status; |
| 58 | import org.onosproject.ui.topo.TopoJson; |
| 59 | import org.slf4j.Logger; |
| 60 | import org.slf4j.LoggerFactory; |
| 61 | |
daniel park | 128c52c | 2017-09-04 13:15:51 +0900 | [diff] [blame] | 62 | import java.io.ByteArrayInputStream; |
Daniel Park | 577b69c | 2018-07-16 17:29:34 +0900 | [diff] [blame] | 63 | import java.io.ByteArrayOutputStream; |
daniel park | 128c52c | 2017-09-04 13:15:51 +0900 | [diff] [blame] | 64 | import java.io.InputStream; |
Daniel Park | 577b69c | 2018-07-16 17:29:34 +0900 | [diff] [blame] | 65 | import java.io.OutputStream; |
daniel park | 128c52c | 2017-09-04 13:15:51 +0900 | [diff] [blame] | 66 | import java.util.Collection; |
| 67 | import java.util.List; |
Daniel Park | 577b69c | 2018-07-16 17:29:34 +0900 | [diff] [blame] | 68 | import java.util.Optional; |
daniel park | 128c52c | 2017-09-04 13:15:51 +0900 | [diff] [blame] | 69 | import java.util.Set; |
Daniel Park | 577b69c | 2018-07-16 17:29:34 +0900 | [diff] [blame] | 70 | import java.util.concurrent.ExecutorService; |
| 71 | import java.util.concurrent.TimeUnit; |
daniel park | 128c52c | 2017-09-04 13:15:51 +0900 | [diff] [blame] | 72 | |
Daniel Park | 577b69c | 2018-07-16 17:29:34 +0900 | [diff] [blame] | 73 | import static java.util.concurrent.Executors.newSingleThreadExecutor; |
| 74 | import static org.onlab.util.Tools.groupedThreads; |
daniel park | 128c52c | 2017-09-04 13:15:51 +0900 | [diff] [blame] | 75 | import static org.onosproject.net.DefaultEdgeLink.createEdgeLink; |
Daniel Park | 577b69c | 2018-07-16 17:29:34 +0900 | [diff] [blame] | 76 | import static org.onosproject.openstacknetworking.api.Constants.DEFAULT_GATEWAY_MAC_STR; |
daniel park | 128c52c | 2017-09-04 13:15:51 +0900 | [diff] [blame] | 77 | |
| 78 | /** |
| 79 | * OpenStack Networking UI message handler. |
| 80 | */ |
| 81 | public class OpenstackNetworkingUiMessageHandler extends UiMessageHandler { |
| 82 | |
| 83 | private static final String OPENSTACK_NETWORKING_UI_START = "openstackNetworkingUiStart"; |
| 84 | private static final String OPENSTACK_NETWORKING_UI_UPDATE = "openstackNetworkingUiUpdate"; |
| 85 | private static final String OPENSTACK_NETWORKING_UI_STOP = "openstackNetworkingUiStop"; |
| 86 | private static final String ANNOTATION_NETWORK_ID = "networkId"; |
| 87 | private static final String FLOW_TRACE_REQUEST = "flowTraceRequest"; |
| 88 | private static final String SRC_IP = "srcIp"; |
| 89 | private static final String DST_IP = "dstIp"; |
| 90 | private static final String ANNOTATION_SEGMENT_ID = "segId"; |
daniel park | 128c52c | 2017-09-04 13:15:51 +0900 | [diff] [blame] | 91 | |
| 92 | private static final String ID = "id"; |
| 93 | private static final String MODE = "mode"; |
| 94 | private static final String MOUSE = "mouse"; |
Daniel Park | 577b69c | 2018-07-16 17:29:34 +0900 | [diff] [blame] | 95 | private static final String TRACE_RESULT = "traceResult"; |
| 96 | private static final String IS_SUCCESS = "isSuccess"; |
| 97 | private static final String TRACE_SUCCESS = "traceSuccess"; |
| 98 | private static final String FLOW_TRACE_RESULT = "flowTraceResult"; |
| 99 | private static final String SRC_DEVICE_ID = "srcDeviceId"; |
| 100 | private static final String DST_DEVICE_ID = "dstDeviceId"; |
Daniel Park | 577b69c | 2018-07-16 17:29:34 +0900 | [diff] [blame] | 101 | private static final String OVS_VERSION_2_8 = "2.8"; |
| 102 | private static final String OVS_VERSION_2_6 = "2.6"; |
| 103 | private static final String FLAT = "FLAT"; |
| 104 | private static final String VXLAN = "VXLAN"; |
| 105 | private static final String VLAN = "VLAN"; |
| 106 | private static final String DL_DST = "dl_dst="; |
| 107 | private static final String NW_DST = "nw_dst="; |
| 108 | private static final String DEFAULT_REQUEST_STRING = "sudo ovs-appctl ofproto/trace br-int ip,in_port="; |
| 109 | private static final String NW_SRC = "nw_src="; |
| 110 | private static final String COMMA = ","; |
| 111 | |
| 112 | |
| 113 | private static final long TIMEOUT_MS = 5000; |
| 114 | private static final long WAIT_OUTPUT_STREAM_SECOND = 2; |
| 115 | private static final int SSH_PORT = 22; |
daniel park | 128c52c | 2017-09-04 13:15:51 +0900 | [diff] [blame] | 116 | |
| 117 | private enum Mode { IDLE, MOUSE } |
| 118 | |
| 119 | private final Logger log = LoggerFactory.getLogger(getClass()); |
| 120 | |
| 121 | private DeviceService deviceService; |
| 122 | private HostService hostService; |
| 123 | private PathService pathService; |
Daniel Park | 577b69c | 2018-07-16 17:29:34 +0900 | [diff] [blame] | 124 | private OpenstackNodeService osNodeService; |
| 125 | private InstancePortService instancePortService; |
| 126 | private OpenstackNetworkService osNetService; |
daniel park | 128c52c | 2017-09-04 13:15:51 +0900 | [diff] [blame] | 127 | private Mode currentMode = Mode.IDLE; |
| 128 | private Element elementOfNote; |
daniel park | 128c52c | 2017-09-04 13:15:51 +0900 | [diff] [blame] | 129 | |
Daniel Park | 577b69c | 2018-07-16 17:29:34 +0900 | [diff] [blame] | 130 | private final ExecutorService eventExecutor = newSingleThreadExecutor( |
| 131 | groupedThreads(this.getClass().getSimpleName(), "event-handler", log)); |
daniel park | 128c52c | 2017-09-04 13:15:51 +0900 | [diff] [blame] | 132 | |
| 133 | @Override |
| 134 | public void init(UiConnection connection, ServiceDirectory directory) { |
| 135 | super.init(connection, directory); |
| 136 | deviceService = directory.get(DeviceService.class); |
| 137 | hostService = directory.get(HostService.class); |
| 138 | pathService = directory.get(PathService.class); |
Daniel Park | 577b69c | 2018-07-16 17:29:34 +0900 | [diff] [blame] | 139 | osNodeService = directory.get(OpenstackNodeService.class); |
| 140 | instancePortService = directory.get(InstancePortService.class); |
| 141 | osNetService = directory.get(OpenstackNetworkService.class); |
daniel park | 128c52c | 2017-09-04 13:15:51 +0900 | [diff] [blame] | 142 | } |
| 143 | |
daniel park | 128c52c | 2017-09-04 13:15:51 +0900 | [diff] [blame] | 144 | @Override |
| 145 | protected Collection<RequestHandler> createRequestHandlers() { |
| 146 | return ImmutableSet.of( |
| 147 | new DisplayStartHandler(), |
| 148 | new DisplayUpdateHandler(), |
| 149 | new DisplayStopHandler(), |
| 150 | new FlowTraceRequestHandler() |
| 151 | ); |
| 152 | } |
| 153 | |
daniel park | 128c52c | 2017-09-04 13:15:51 +0900 | [diff] [blame] | 154 | private final class DisplayStartHandler extends RequestHandler { |
| 155 | |
| 156 | public DisplayStartHandler() { |
| 157 | super(OPENSTACK_NETWORKING_UI_START); |
| 158 | } |
| 159 | |
| 160 | @Override |
| 161 | public void process(ObjectNode payload) { |
| 162 | String mode = string(payload, MODE); |
| 163 | |
| 164 | log.debug("Start Display: mode [{}]", mode); |
| 165 | clearState(); |
| 166 | clearForMode(); |
| 167 | |
| 168 | switch (mode) { |
| 169 | case MOUSE: |
| 170 | currentMode = Mode.MOUSE; |
Daniel Park | bbdf4ba | 2018-07-23 16:23:42 +0900 | [diff] [blame] | 171 | eventExecutor.execute(() -> sendMouseData()); |
| 172 | |
daniel park | 128c52c | 2017-09-04 13:15:51 +0900 | [diff] [blame] | 173 | break; |
| 174 | |
| 175 | default: |
| 176 | currentMode = Mode.IDLE; |
| 177 | break; |
| 178 | } |
| 179 | } |
| 180 | } |
| 181 | |
| 182 | private final class FlowTraceRequestHandler extends RequestHandler { |
| 183 | public FlowTraceRequestHandler() { |
| 184 | super(FLOW_TRACE_REQUEST); |
| 185 | } |
| 186 | |
| 187 | @Override |
| 188 | public void process(ObjectNode payload) { |
| 189 | String srcIp = string(payload, SRC_IP); |
| 190 | String dstIp = string(payload, DST_IP); |
Daniel Park | 577b69c | 2018-07-16 17:29:34 +0900 | [diff] [blame] | 191 | String srcDeviceId = string(payload, SRC_DEVICE_ID); |
| 192 | String dstDeviceId = string(payload, DST_DEVICE_ID); |
| 193 | log.info("Flow trace request called with src IP: {}, dst IP: {}, src device ID: {}, dst device Id: {}", |
| 194 | srcIp, |
| 195 | dstIp, |
| 196 | srcDeviceId, |
| 197 | dstDeviceId); |
Daniel Park | bbdf4ba | 2018-07-23 16:23:42 +0900 | [diff] [blame] | 198 | eventExecutor.execute(() -> processFlowTraceRequest(srcIp, dstIp, srcDeviceId, dstDeviceId)); |
daniel park | 128c52c | 2017-09-04 13:15:51 +0900 | [diff] [blame] | 199 | } |
| 200 | } |
| 201 | |
daniel park | 128c52c | 2017-09-04 13:15:51 +0900 | [diff] [blame] | 202 | private final class DisplayUpdateHandler extends RequestHandler { |
| 203 | public DisplayUpdateHandler() { |
| 204 | super(OPENSTACK_NETWORKING_UI_UPDATE); |
| 205 | } |
| 206 | |
| 207 | @Override |
| 208 | public void process(ObjectNode payload) { |
| 209 | String id = string(payload, ID); |
| 210 | log.debug("Update Display: id [{}]", id); |
| 211 | if (!Strings.isNullOrEmpty(id)) { |
Daniel Park | bbdf4ba | 2018-07-23 16:23:42 +0900 | [diff] [blame] | 212 | eventExecutor.execute(() -> updateForMode(id)); |
daniel park | 128c52c | 2017-09-04 13:15:51 +0900 | [diff] [blame] | 213 | } else { |
Daniel Park | bbdf4ba | 2018-07-23 16:23:42 +0900 | [diff] [blame] | 214 | eventExecutor.execute(() -> clearForMode()); |
daniel park | 128c52c | 2017-09-04 13:15:51 +0900 | [diff] [blame] | 215 | } |
| 216 | } |
| 217 | } |
| 218 | |
| 219 | private final class DisplayStopHandler extends RequestHandler { |
| 220 | public DisplayStopHandler() { |
| 221 | super(OPENSTACK_NETWORKING_UI_STOP); |
| 222 | } |
| 223 | |
| 224 | @Override |
| 225 | public void process(ObjectNode payload) { |
| 226 | log.debug("Stop Display"); |
| 227 | clearState(); |
| 228 | clearForMode(); |
| 229 | } |
| 230 | } |
| 231 | |
| 232 | // === ------------ |
| 233 | |
| 234 | private void clearState() { |
| 235 | currentMode = Mode.IDLE; |
| 236 | elementOfNote = null; |
| 237 | } |
| 238 | |
| 239 | private void updateForMode(String id) { |
| 240 | |
| 241 | try { |
| 242 | HostId hid = HostId.hostId(id); |
| 243 | elementOfNote = hostService.getHost(hid); |
| 244 | |
| 245 | } catch (Exception e) { |
| 246 | try { |
| 247 | DeviceId did = DeviceId.deviceId(id); |
| 248 | elementOfNote = deviceService.getDevice(did); |
| 249 | |
| 250 | } catch (Exception e2) { |
| 251 | log.debug("Unable to process ID [{}]", id); |
| 252 | elementOfNote = null; |
| 253 | } |
| 254 | } |
| 255 | |
| 256 | switch (currentMode) { |
| 257 | case MOUSE: |
| 258 | sendMouseData(); |
| 259 | break; |
| 260 | |
| 261 | default: |
| 262 | break; |
| 263 | } |
| 264 | |
| 265 | } |
| 266 | |
| 267 | private void clearForMode() { |
| 268 | sendHighlights(new Highlights()); |
| 269 | } |
| 270 | |
| 271 | private void sendHighlights(Highlights highlights) { |
| 272 | sendMessage(TopoJson.highlightsMessage(highlights)); |
| 273 | } |
| 274 | |
Daniel Park | bbdf4ba | 2018-07-23 16:23:42 +0900 | [diff] [blame] | 275 | /** |
| 276 | * Sends JSON-based message to UI. |
| 277 | * @param type type |
| 278 | * @param payload payload |
| 279 | */ |
daniel park | 128c52c | 2017-09-04 13:15:51 +0900 | [diff] [blame] | 280 | public void sendMessagetoUi(String type, ObjectNode payload) { |
| 281 | sendMessage(JsonUtils.envelope(type, payload)); |
| 282 | } |
| 283 | |
| 284 | private int getVni(Host host) { |
| 285 | String vni = host.annotations().value(ANNOTATION_SEGMENT_ID); |
| 286 | |
Daniel Park | bbdf4ba | 2018-07-23 16:23:42 +0900 | [diff] [blame] | 287 | return vni == null ? 0 : Integer.parseInt(vni); |
daniel park | 128c52c | 2017-09-04 13:15:51 +0900 | [diff] [blame] | 288 | } |
| 289 | |
| 290 | private void sendMouseData() { |
| 291 | Highlights highlights = new Highlights(); |
| 292 | |
| 293 | if (elementOfNote != null && elementOfNote instanceof Device) { |
| 294 | DeviceId deviceId = (DeviceId) elementOfNote.id(); |
| 295 | |
| 296 | List<OpenstackLink> edgeLinks = edgeLinks(deviceId); |
| 297 | |
| 298 | edgeLinks.forEach(edgeLink -> { |
| 299 | highlights.add(edgeLink.highlight(OpenstackLink.RequestType.DEVICE_SELECTED)); |
| 300 | }); |
| 301 | |
| 302 | hostService.getConnectedHosts(deviceId).forEach(host -> { |
| 303 | HostHighlight hostHighlight = new HostHighlight(host.id().toString()); |
| 304 | hostHighlight.setBadge(createBadge(getVni(host))); |
| 305 | highlights.add(hostHighlight); |
| 306 | }); |
| 307 | |
| 308 | sendHighlights(highlights); |
| 309 | |
| 310 | } else if (elementOfNote != null && elementOfNote instanceof Host) { |
| 311 | |
| 312 | HostId hostId = HostId.hostId(elementOfNote.id().toString()); |
| 313 | if (!hostMadeFromOpenstack(hostId)) { |
| 314 | return; |
| 315 | } |
| 316 | |
| 317 | List<OpenstackLink> openstackLinks = linksInSameNetwork(hostId); |
| 318 | |
| 319 | openstackLinks.forEach(openstackLink -> { |
| 320 | highlights.add(openstackLink.highlight(OpenstackLink.RequestType.HOST_SELECTED)); |
| 321 | }); |
| 322 | |
| 323 | hostHighlightsInSameNetwork(hostId).forEach(highlights::add); |
| 324 | |
| 325 | sendHighlights(highlights); |
| 326 | |
| 327 | } |
| 328 | } |
| 329 | |
| 330 | private boolean hostMadeFromOpenstack(HostId hostId) { |
| 331 | return hostService.getHost(hostId).annotations() |
| 332 | .value(ANNOTATION_NETWORK_ID) == null ? false : true; |
| 333 | } |
| 334 | |
| 335 | private String networkId(HostId hostId) { |
| 336 | return hostService.getHost(hostId).annotations().value(ANNOTATION_NETWORK_ID); |
| 337 | } |
| 338 | |
| 339 | private Set<HostHighlight> hostHighlightsInSameNetwork(HostId hostId) { |
| 340 | |
| 341 | Set<HostHighlight> hostHighlights = Sets.newHashSet(); |
| 342 | Streams.stream(hostService.getHosts()) |
| 343 | .filter(host -> isHostInSameNetwork(host, networkId(hostId))) |
| 344 | .forEach(host -> { |
| 345 | HostHighlight hostHighlight = new HostHighlight(host.id().toString()); |
| 346 | hostHighlight.setBadge(createBadge(getVni(host))); |
| 347 | hostHighlights.add(hostHighlight); |
| 348 | }); |
| 349 | |
| 350 | return hostHighlights; |
| 351 | } |
| 352 | |
| 353 | private List<OpenstackLink> edgeLinks(DeviceId deviceId) { |
| 354 | OpenstackLinkMap openstackLinkMap = new OpenstackLinkMap(); |
| 355 | |
| 356 | hostService.getConnectedHosts(deviceId).forEach(host -> { |
| 357 | openstackLinkMap.add(createEdgeLink(host, true)); |
| 358 | openstackLinkMap.add(createEdgeLink(host, false)); |
| 359 | }); |
| 360 | |
| 361 | List<OpenstackLink> edgeLinks = Lists.newArrayList(); |
| 362 | |
| 363 | openstackLinkMap.biLinks().forEach(edgeLinks::add); |
| 364 | |
| 365 | return edgeLinks; |
| 366 | } |
| 367 | |
| 368 | private List<OpenstackLink> linksInSameNetwork(HostId hostId) { |
| 369 | OpenstackLinkMap linkMap = new OpenstackLinkMap(); |
| 370 | |
| 371 | Streams.stream(hostService.getHosts()) |
| 372 | .filter(host -> isHostInSameNetwork(host, networkId(hostId))) |
| 373 | .forEach(host -> { |
| 374 | linkMap.add(createEdgeLink(host, true)); |
| 375 | linkMap.add(createEdgeLink(host, false)); |
| 376 | |
| 377 | Set<Path> paths = pathService.getPaths(hostId, |
| 378 | host.id()); |
| 379 | |
| 380 | if (!paths.isEmpty()) { |
| 381 | paths.forEach(path -> path.links().forEach(linkMap::add)); |
| 382 | } |
| 383 | }); |
| 384 | |
| 385 | List<OpenstackLink> openstackLinks = Lists.newArrayList(); |
| 386 | |
| 387 | linkMap.biLinks().forEach(openstackLinks::add); |
| 388 | |
| 389 | return openstackLinks; |
| 390 | } |
| 391 | |
| 392 | private boolean isHostInSameNetwork(Host host, String networkId) { |
| 393 | return hostService.getHost(host.id()).annotations() |
| 394 | .value(ANNOTATION_NETWORK_ID).equals(networkId); |
| 395 | } |
| 396 | |
| 397 | private NodeBadge createBadge(int n) { |
| 398 | return NodeBadge.number(Status.INFO, n, "Openstack Node"); |
| 399 | } |
Daniel Park | 577b69c | 2018-07-16 17:29:34 +0900 | [diff] [blame] | 400 | |
| 401 | private void processFlowTraceRequest(String srcIp, String dstIp, String srcDeviceId, String dstDeviceId) { |
| 402 | boolean traceSuccess = true; |
| 403 | |
| 404 | ObjectMapper mapper = new ObjectMapper(); |
| 405 | |
| 406 | ObjectNode traceResult = mapper.createObjectNode(); |
| 407 | |
| 408 | ArrayNode traceResultArray = traceResult.putArray(TRACE_RESULT); |
| 409 | |
| 410 | OpenstackNode srcOpenstackNode = osNodeService.node(DeviceId.deviceId(srcDeviceId)); |
| 411 | if (srcOpenstackNode == null) { |
| 412 | return; |
| 413 | } |
| 414 | |
| 415 | if (srcOpenstackNode.sshAuthInfo() == null) { |
| 416 | log.error("Openstack node {} has no SSH authentication information..", |
| 417 | srcOpenstackNode.hostname()); |
| 418 | return; |
| 419 | } |
| 420 | |
| 421 | String traceResultForward = sendTraceRequestToNode(srcIp, dstIp, srcOpenstackNode); |
| 422 | if (traceResultForward == null) { |
| 423 | return; |
| 424 | } |
| 425 | |
| 426 | log.debug("traceResultForward raw data: {}", traceResultForward); |
| 427 | |
| 428 | ObjectNode traceResultForwardJson = null; |
| 429 | |
| 430 | Device srcDevice = deviceService.getDevice(srcOpenstackNode.intgBridge()); |
Daniel Park | e910e40 | 2018-07-26 11:25:01 +0900 | [diff] [blame^] | 431 | if (srcDevice.swVersion().startsWith(OVS_VERSION_2_8)) { |
Daniel Park | 577b69c | 2018-07-16 17:29:34 +0900 | [diff] [blame] | 432 | traceResultForwardJson = Ovs28FlowTraceResultParser.flowTraceResultInJson( |
Daniel Park | bbdf4ba | 2018-07-23 16:23:42 +0900 | [diff] [blame] | 433 | traceResultForward.trim(), srcOpenstackNode.hostname()); |
Daniel Park | 577b69c | 2018-07-16 17:29:34 +0900 | [diff] [blame] | 434 | } else { |
| 435 | log.error("Currently OVS version {} is not supported", |
| 436 | deviceService.getDevice(srcOpenstackNode.intgBridge())); |
| 437 | } |
| 438 | |
| 439 | if (traceResultForwardJson == null) { |
| 440 | return; |
| 441 | } |
| 442 | |
| 443 | traceResultArray.add(traceResultForwardJson); |
| 444 | |
| 445 | log.debug("traceResultForward Json: {}", traceResultForwardJson); |
| 446 | |
| 447 | if (!traceResultForwardJson.get(IS_SUCCESS).asBoolean()) { |
| 448 | traceSuccess = false; |
| 449 | } |
| 450 | |
| 451 | //TODO implements trace result in backward |
| 452 | |
| 453 | traceResult.put(TRACE_SUCCESS, traceSuccess); |
| 454 | log.debug("traceResult Json: {}", traceResult); |
| 455 | |
| 456 | sendMessagetoUi(FLOW_TRACE_RESULT, traceResult); |
| 457 | |
| 458 | } |
| 459 | |
| 460 | private String sendTraceRequestToNode(String srcIp, String dstIp, OpenstackNode openstackNode) { |
| 461 | String traceResult = null; |
| 462 | OpenstackSshAuth sshAuth = openstackNode.sshAuthInfo(); |
| 463 | |
| 464 | try (SshClient client = SshClient.setUpDefaultClient()) { |
| 465 | client.start(); |
| 466 | |
| 467 | try (ClientSession session = client |
| 468 | .connect(sshAuth.id(), openstackNode.managementIp().getIp4Address().toString(), SSH_PORT) |
| 469 | .verify(TIMEOUT_MS, TimeUnit.SECONDS).getSession()) { |
| 470 | session.addPasswordIdentity(sshAuth.password()); |
| 471 | session.auth().verify(TIMEOUT_MS, TimeUnit.SECONDS); |
| 472 | |
| 473 | |
| 474 | try (ClientChannel channel = session.createChannel(ClientChannel.CHANNEL_SHELL)) { |
| 475 | |
| 476 | String requestString = traceRequestString(srcIp, dstIp, openstackNode); |
| 477 | if (requestString == null) { |
| 478 | return null; |
| 479 | } |
| 480 | |
| 481 | log.debug("requestString: {}", requestString); |
| 482 | final InputStream inputStream = |
| 483 | new ByteArrayInputStream(requestString.getBytes()); |
| 484 | |
| 485 | OutputStream outputStream = new ByteArrayOutputStream(); |
| 486 | OutputStream errStream = new ByteArrayOutputStream(); |
| 487 | |
| 488 | channel.setIn(new NoCloseInputStream(inputStream)); |
| 489 | channel.setErr(errStream); |
| 490 | channel.setOut(outputStream); |
| 491 | |
| 492 | Collection<ClientChannelEvent> eventList = Lists.newArrayList(); |
| 493 | eventList.add(ClientChannelEvent.OPENED); |
| 494 | |
| 495 | OpenFuture channelFuture = channel.open(); |
| 496 | |
| 497 | if (channelFuture.await(TIMEOUT_MS, TimeUnit.SECONDS)) { |
| 498 | |
| 499 | long timeoutExpiredMs = System.currentTimeMillis() + TIMEOUT_MS; |
| 500 | |
| 501 | while (!channelFuture.isOpened()) { |
| 502 | if ((timeoutExpiredMs - System.currentTimeMillis()) <= 0) { |
| 503 | log.error("Failed to open channel"); |
| 504 | return null; |
| 505 | } |
| 506 | } |
| 507 | TimeUnit.SECONDS.sleep(WAIT_OUTPUT_STREAM_SECOND); |
| 508 | |
| 509 | traceResult = ((ByteArrayOutputStream) outputStream).toString(Charsets.UTF_8.name()); |
| 510 | |
| 511 | channel.close(); |
| 512 | } |
| 513 | } finally { |
| 514 | session.close(); |
| 515 | } |
| 516 | } finally { |
| 517 | client.stop(); |
| 518 | } |
| 519 | |
| 520 | } catch (Exception e) { |
| 521 | log.error("Exception occurred because of {}", e.toString()); |
| 522 | } |
| 523 | |
Daniel Park | bbdf4ba | 2018-07-23 16:23:42 +0900 | [diff] [blame] | 524 | return traceResult; |
Daniel Park | 577b69c | 2018-07-16 17:29:34 +0900 | [diff] [blame] | 525 | } |
| 526 | |
| 527 | private String traceRequestString(String srcIp, String dstIp, OpenstackNode openstackNode) { |
| 528 | |
| 529 | Optional<InstancePort> instancePort = instancePortService.instancePorts().stream() |
| 530 | .filter(port -> port.ipAddress().getIp4Address().toString().equals(srcIp) |
| 531 | && port.deviceId().equals(openstackNode.intgBridge())) |
| 532 | .findAny(); |
| 533 | |
| 534 | if (!instancePort.isPresent()) { |
| 535 | return null; |
| 536 | } |
| 537 | |
| 538 | String requestString = DEFAULT_REQUEST_STRING |
| 539 | + instancePort.get().portNumber().toString() |
| 540 | + COMMA |
| 541 | + NW_SRC |
| 542 | + srcIp |
| 543 | + COMMA; |
| 544 | |
| 545 | if (osNetService.networkType(instancePort.get().networkId()).equals(VXLAN)) { |
| 546 | if (srcIp.equals(dstIp)) { |
| 547 | dstIp = osNetService.gatewayIp(instancePort.get().portId()); |
| 548 | requestString = requestString + DL_DST + DEFAULT_GATEWAY_MAC_STR + COMMA; |
| 549 | } else if (!osNetService.ipPrefix(instancePort.get().portId()).contains(IpAddress.valueOf(dstIp))) { |
| 550 | requestString = requestString + DL_DST + DEFAULT_GATEWAY_MAC_STR + COMMA; |
| 551 | } |
| 552 | } else if (osNetService.networkType(instancePort.get().networkId()).equals(FLAT)) { |
| 553 | if (srcIp.equals(dstIp)) { |
| 554 | dstIp = osNetService.gatewayIp(instancePort.get().portId()); |
| 555 | } |
| 556 | } |
| 557 | |
| 558 | requestString = requestString + NW_DST + dstIp + "\n"; |
| 559 | |
| 560 | return requestString; |
| 561 | } |
daniel park | 128c52c | 2017-09-04 13:15:51 +0900 | [diff] [blame] | 562 | } |