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; |
| 19 | import com.fasterxml.jackson.databind.node.ObjectNode; |
| 20 | import com.google.common.base.Strings; |
| 21 | import com.google.common.collect.ImmutableSet; |
| 22 | import com.google.common.collect.Lists; |
| 23 | import com.google.common.collect.Sets; |
| 24 | import com.google.common.collect.Streams; |
| 25 | import org.onlab.osgi.ServiceDirectory; |
| 26 | import org.onosproject.cluster.ClusterService; |
| 27 | import org.onosproject.net.Device; |
| 28 | import org.onosproject.net.DeviceId; |
| 29 | import org.onosproject.net.Element; |
| 30 | import org.onosproject.net.Host; |
| 31 | import org.onosproject.net.HostId; |
| 32 | import org.onosproject.net.Path; |
| 33 | import org.onosproject.net.device.DeviceService; |
| 34 | import org.onosproject.net.host.HostService; |
| 35 | import org.onosproject.net.topology.PathService; |
| 36 | import org.onosproject.ui.JsonUtils; |
| 37 | import org.onosproject.ui.RequestHandler; |
| 38 | import org.onosproject.ui.UiConnection; |
| 39 | import org.onosproject.ui.UiMessageHandler; |
| 40 | import org.apache.commons.io.IOUtils; |
| 41 | |
| 42 | import org.onosproject.ui.topo.Highlights; |
| 43 | import org.onosproject.ui.topo.HostHighlight; |
| 44 | import org.onosproject.ui.topo.NodeBadge; |
| 45 | import org.onosproject.ui.topo.NodeBadge.Status; |
| 46 | import org.onosproject.ui.topo.TopoJson; |
| 47 | import org.slf4j.Logger; |
| 48 | import org.slf4j.LoggerFactory; |
| 49 | |
| 50 | import javax.ws.rs.client.Client; |
| 51 | import javax.ws.rs.client.ClientBuilder; |
| 52 | import javax.ws.rs.client.Entity; |
| 53 | import javax.ws.rs.client.Invocation; |
| 54 | import javax.ws.rs.client.WebTarget; |
| 55 | import javax.ws.rs.core.MediaType; |
| 56 | import javax.ws.rs.core.Response; |
| 57 | import java.io.ByteArrayInputStream; |
| 58 | import java.io.IOException; |
| 59 | import java.io.InputStream; |
| 60 | import java.nio.charset.StandardCharsets; |
| 61 | import java.util.Base64; |
| 62 | import java.util.Collection; |
| 63 | import java.util.List; |
| 64 | import java.util.Set; |
| 65 | |
| 66 | |
| 67 | import static org.onosproject.net.DefaultEdgeLink.createEdgeLink; |
| 68 | |
| 69 | /** |
| 70 | * OpenStack Networking UI message handler. |
| 71 | */ |
| 72 | public class OpenstackNetworkingUiMessageHandler extends UiMessageHandler { |
| 73 | |
| 74 | private static final String OPENSTACK_NETWORKING_UI_START = "openstackNetworkingUiStart"; |
| 75 | private static final String OPENSTACK_NETWORKING_UI_UPDATE = "openstackNetworkingUiUpdate"; |
| 76 | private static final String OPENSTACK_NETWORKING_UI_STOP = "openstackNetworkingUiStop"; |
| 77 | private static final String ANNOTATION_NETWORK_ID = "networkId"; |
| 78 | private static final String FLOW_TRACE_REQUEST = "flowTraceRequest"; |
| 79 | private static final String SRC_IP = "srcIp"; |
| 80 | private static final String DST_IP = "dstIp"; |
| 81 | private static final String ANNOTATION_SEGMENT_ID = "segId"; |
| 82 | private static final String AUTHORIZATION = "Authorization"; |
| 83 | private static final String COMMAND = "command"; |
| 84 | private static final String FLOW_TRACE = "flowtrace"; |
| 85 | private static final String REVERSE = "reverse"; |
| 86 | private static final String TRANSACTION_ID = "transaction_id"; |
| 87 | private static final String TRANSACTION_VALUE = "sona"; |
| 88 | private static final String APP_REST_URL = "app_rest_url"; |
| 89 | private static final String MATCHING_FIELDS = "matchingfields"; |
| 90 | private static final String SOURCE_IP = "source_ip"; |
| 91 | private static final String DESTINATION_IP = "destination_ip"; |
| 92 | private static final String TO_GATEWAY = "to_gateway"; |
| 93 | private static final String IP_PROTOCOL = "ip_protocol"; |
| 94 | private static final String HTTP = "http://"; |
| 95 | private static final String OPENSTACK_NETWORKING_UI_RESULT = ":8181/onos/openstacknetworkingui/result"; |
| 96 | |
| 97 | private static final String ID = "id"; |
| 98 | private static final String MODE = "mode"; |
| 99 | private static final String MOUSE = "mouse"; |
| 100 | |
| 101 | private enum Mode { IDLE, MOUSE } |
| 102 | |
| 103 | private final Logger log = LoggerFactory.getLogger(getClass()); |
| 104 | |
| 105 | private DeviceService deviceService; |
| 106 | private HostService hostService; |
| 107 | private PathService pathService; |
| 108 | private ClusterService clusterService; |
| 109 | private String restUrl; |
| 110 | private String restAuthInfo; |
| 111 | private Mode currentMode = Mode.IDLE; |
| 112 | private Element elementOfNote; |
| 113 | private final Client client = ClientBuilder.newClient(); |
| 114 | |
| 115 | |
| 116 | // ===============-=-=-=-=-=-======================-=-=-=-=-=-=-================================ |
| 117 | |
| 118 | |
| 119 | @Override |
| 120 | public void init(UiConnection connection, ServiceDirectory directory) { |
| 121 | super.init(connection, directory); |
| 122 | deviceService = directory.get(DeviceService.class); |
| 123 | hostService = directory.get(HostService.class); |
| 124 | pathService = directory.get(PathService.class); |
| 125 | clusterService = directory.get(ClusterService.class); |
| 126 | } |
| 127 | |
| 128 | @Override |
| 129 | protected Collection<RequestHandler> createRequestHandlers() { |
| 130 | return ImmutableSet.of( |
| 131 | new DisplayStartHandler(), |
| 132 | new DisplayUpdateHandler(), |
| 133 | new DisplayStopHandler(), |
| 134 | new FlowTraceRequestHandler() |
| 135 | ); |
| 136 | } |
| 137 | |
| 138 | public void setRestUrl(String ipAddress) { |
| 139 | restUrl = "http://" + ipAddress + ":8000/trace_request"; |
| 140 | } |
| 141 | |
| 142 | public String restUrl() { |
| 143 | return restUrl; |
| 144 | } |
| 145 | |
| 146 | public void setRestAuthInfo(String id, String password) { |
| 147 | restAuthInfo = Base64.getEncoder().encodeToString(id.concat(":").concat(password).getBytes()); |
| 148 | } |
| 149 | |
| 150 | public String restAuthInfo() { |
| 151 | return restAuthInfo; |
| 152 | } |
| 153 | |
| 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; |
| 171 | sendMouseData(); |
| 172 | break; |
| 173 | |
| 174 | default: |
| 175 | currentMode = Mode.IDLE; |
| 176 | break; |
| 177 | } |
| 178 | } |
| 179 | } |
| 180 | |
| 181 | private final class FlowTraceRequestHandler extends RequestHandler { |
| 182 | public FlowTraceRequestHandler() { |
| 183 | super(FLOW_TRACE_REQUEST); |
| 184 | } |
| 185 | |
| 186 | @Override |
| 187 | public void process(ObjectNode payload) { |
| 188 | String srcIp = string(payload, SRC_IP); |
| 189 | String dstIp = string(payload, DST_IP); |
| 190 | log.debug("SendEvent called with src IP: {}, dst IP: {}", srcIp, dstIp); |
| 191 | |
| 192 | ObjectNode objectNode = getFlowTraceRequestAsJson(srcIp, dstIp); |
| 193 | InputStream byteArrayInputStream |
| 194 | = new ByteArrayInputStream(objectNode.toString().getBytes()); |
| 195 | |
| 196 | Invocation.Builder builder = getClientBuilder(restUrl); |
| 197 | |
| 198 | if (builder == null) { |
| 199 | log.error("Fail to get the client builder for the trace from {} to {}", srcIp, dstIp); |
| 200 | return; |
| 201 | } |
| 202 | |
| 203 | try { |
| 204 | Response response = builder.header(AUTHORIZATION, restAuthInfo.toString()) |
| 205 | .post(Entity.entity(IOUtils.toString(byteArrayInputStream, StandardCharsets.UTF_8), |
| 206 | MediaType.APPLICATION_JSON_TYPE)); |
| 207 | |
| 208 | log.debug("Response from server: {}", response); |
| 209 | |
| 210 | if (response.getStatus() != 200) { |
| 211 | log.error("FlowTraceRequest failed because of {}", response); |
| 212 | } |
| 213 | |
| 214 | } catch (IOException e) { |
| 215 | log.error("Exception occured because of {}", e.toString()); |
| 216 | } |
| 217 | |
| 218 | } |
| 219 | } |
| 220 | |
| 221 | private ObjectNode getFlowTraceRequestAsJson(String srcIp, String dstIp) { |
| 222 | ObjectMapper mapper = new ObjectMapper(); |
| 223 | String controllerUrl = HTTP + clusterService.getLocalNode().ip() |
| 224 | + OPENSTACK_NETWORKING_UI_RESULT; |
| 225 | |
| 226 | ObjectNode objectNode = mapper.createObjectNode(); |
| 227 | |
| 228 | objectNode.put(COMMAND, FLOW_TRACE) |
| 229 | .put(REVERSE, false) |
| 230 | .put(TRANSACTION_ID, TRANSACTION_VALUE) |
| 231 | .put(APP_REST_URL, controllerUrl); |
| 232 | |
| 233 | if (srcIp.equals(dstIp)) { |
| 234 | objectNode.putObject(MATCHING_FIELDS) |
| 235 | .put(SOURCE_IP, srcIp) |
| 236 | .put(DESTINATION_IP, dstIp) |
| 237 | .put(TO_GATEWAY, true) |
| 238 | .put(IP_PROTOCOL, 1); |
| 239 | |
| 240 | } else { |
| 241 | objectNode.putObject(MATCHING_FIELDS) |
| 242 | .put(SOURCE_IP, srcIp) |
| 243 | .put(DESTINATION_IP, dstIp); |
| 244 | } |
| 245 | return objectNode; |
| 246 | } |
| 247 | |
| 248 | private Invocation.Builder getClientBuilder(String url) { |
| 249 | if (Strings.isNullOrEmpty(url)) { |
| 250 | log.warn("URL in not set"); |
| 251 | return null; |
| 252 | } |
| 253 | |
| 254 | WebTarget wt = client.target(url); |
| 255 | |
| 256 | return wt.request(MediaType.APPLICATION_JSON_TYPE); |
| 257 | } |
| 258 | |
| 259 | private final class DisplayUpdateHandler extends RequestHandler { |
| 260 | public DisplayUpdateHandler() { |
| 261 | super(OPENSTACK_NETWORKING_UI_UPDATE); |
| 262 | } |
| 263 | |
| 264 | @Override |
| 265 | public void process(ObjectNode payload) { |
| 266 | String id = string(payload, ID); |
| 267 | log.debug("Update Display: id [{}]", id); |
| 268 | if (!Strings.isNullOrEmpty(id)) { |
| 269 | updateForMode(id); |
| 270 | } else { |
| 271 | clearForMode(); |
| 272 | } |
| 273 | } |
| 274 | } |
| 275 | |
| 276 | private final class DisplayStopHandler extends RequestHandler { |
| 277 | public DisplayStopHandler() { |
| 278 | super(OPENSTACK_NETWORKING_UI_STOP); |
| 279 | } |
| 280 | |
| 281 | @Override |
| 282 | public void process(ObjectNode payload) { |
| 283 | log.debug("Stop Display"); |
| 284 | clearState(); |
| 285 | clearForMode(); |
| 286 | } |
| 287 | } |
| 288 | |
| 289 | // === ------------ |
| 290 | |
| 291 | private void clearState() { |
| 292 | currentMode = Mode.IDLE; |
| 293 | elementOfNote = null; |
| 294 | } |
| 295 | |
| 296 | private void updateForMode(String id) { |
| 297 | |
| 298 | try { |
| 299 | HostId hid = HostId.hostId(id); |
| 300 | elementOfNote = hostService.getHost(hid); |
| 301 | |
| 302 | } catch (Exception e) { |
| 303 | try { |
| 304 | DeviceId did = DeviceId.deviceId(id); |
| 305 | elementOfNote = deviceService.getDevice(did); |
| 306 | |
| 307 | } catch (Exception e2) { |
| 308 | log.debug("Unable to process ID [{}]", id); |
| 309 | elementOfNote = null; |
| 310 | } |
| 311 | } |
| 312 | |
| 313 | switch (currentMode) { |
| 314 | case MOUSE: |
| 315 | sendMouseData(); |
| 316 | break; |
| 317 | |
| 318 | default: |
| 319 | break; |
| 320 | } |
| 321 | |
| 322 | } |
| 323 | |
| 324 | private void clearForMode() { |
| 325 | sendHighlights(new Highlights()); |
| 326 | } |
| 327 | |
| 328 | private void sendHighlights(Highlights highlights) { |
| 329 | sendMessage(TopoJson.highlightsMessage(highlights)); |
| 330 | } |
| 331 | |
| 332 | public void sendMessagetoUi(String type, ObjectNode payload) { |
| 333 | sendMessage(JsonUtils.envelope(type, payload)); |
| 334 | } |
| 335 | |
| 336 | private int getVni(Host host) { |
| 337 | String vni = host.annotations().value(ANNOTATION_SEGMENT_ID); |
| 338 | |
| 339 | return vni == null ? 0 : Integer.valueOf(vni).intValue(); |
| 340 | } |
| 341 | |
| 342 | private void sendMouseData() { |
| 343 | Highlights highlights = new Highlights(); |
| 344 | |
| 345 | if (elementOfNote != null && elementOfNote instanceof Device) { |
| 346 | DeviceId deviceId = (DeviceId) elementOfNote.id(); |
| 347 | |
| 348 | List<OpenstackLink> edgeLinks = edgeLinks(deviceId); |
| 349 | |
| 350 | edgeLinks.forEach(edgeLink -> { |
| 351 | highlights.add(edgeLink.highlight(OpenstackLink.RequestType.DEVICE_SELECTED)); |
| 352 | }); |
| 353 | |
| 354 | hostService.getConnectedHosts(deviceId).forEach(host -> { |
| 355 | HostHighlight hostHighlight = new HostHighlight(host.id().toString()); |
| 356 | hostHighlight.setBadge(createBadge(getVni(host))); |
| 357 | highlights.add(hostHighlight); |
| 358 | }); |
| 359 | |
| 360 | sendHighlights(highlights); |
| 361 | |
| 362 | } else if (elementOfNote != null && elementOfNote instanceof Host) { |
| 363 | |
| 364 | HostId hostId = HostId.hostId(elementOfNote.id().toString()); |
| 365 | if (!hostMadeFromOpenstack(hostId)) { |
| 366 | return; |
| 367 | } |
| 368 | |
| 369 | List<OpenstackLink> openstackLinks = linksInSameNetwork(hostId); |
| 370 | |
| 371 | openstackLinks.forEach(openstackLink -> { |
| 372 | highlights.add(openstackLink.highlight(OpenstackLink.RequestType.HOST_SELECTED)); |
| 373 | }); |
| 374 | |
| 375 | hostHighlightsInSameNetwork(hostId).forEach(highlights::add); |
| 376 | |
| 377 | sendHighlights(highlights); |
| 378 | |
| 379 | } |
| 380 | } |
| 381 | |
| 382 | private boolean hostMadeFromOpenstack(HostId hostId) { |
| 383 | return hostService.getHost(hostId).annotations() |
| 384 | .value(ANNOTATION_NETWORK_ID) == null ? false : true; |
| 385 | } |
| 386 | |
| 387 | private String networkId(HostId hostId) { |
| 388 | return hostService.getHost(hostId).annotations().value(ANNOTATION_NETWORK_ID); |
| 389 | } |
| 390 | |
| 391 | private Set<HostHighlight> hostHighlightsInSameNetwork(HostId hostId) { |
| 392 | |
| 393 | Set<HostHighlight> hostHighlights = Sets.newHashSet(); |
| 394 | Streams.stream(hostService.getHosts()) |
| 395 | .filter(host -> isHostInSameNetwork(host, networkId(hostId))) |
| 396 | .forEach(host -> { |
| 397 | HostHighlight hostHighlight = new HostHighlight(host.id().toString()); |
| 398 | hostHighlight.setBadge(createBadge(getVni(host))); |
| 399 | hostHighlights.add(hostHighlight); |
| 400 | }); |
| 401 | |
| 402 | return hostHighlights; |
| 403 | } |
| 404 | |
| 405 | private List<OpenstackLink> edgeLinks(DeviceId deviceId) { |
| 406 | OpenstackLinkMap openstackLinkMap = new OpenstackLinkMap(); |
| 407 | |
| 408 | hostService.getConnectedHosts(deviceId).forEach(host -> { |
| 409 | openstackLinkMap.add(createEdgeLink(host, true)); |
| 410 | openstackLinkMap.add(createEdgeLink(host, false)); |
| 411 | }); |
| 412 | |
| 413 | List<OpenstackLink> edgeLinks = Lists.newArrayList(); |
| 414 | |
| 415 | openstackLinkMap.biLinks().forEach(edgeLinks::add); |
| 416 | |
| 417 | return edgeLinks; |
| 418 | } |
| 419 | |
| 420 | private List<OpenstackLink> linksInSameNetwork(HostId hostId) { |
| 421 | OpenstackLinkMap linkMap = new OpenstackLinkMap(); |
| 422 | |
| 423 | Streams.stream(hostService.getHosts()) |
| 424 | .filter(host -> isHostInSameNetwork(host, networkId(hostId))) |
| 425 | .forEach(host -> { |
| 426 | linkMap.add(createEdgeLink(host, true)); |
| 427 | linkMap.add(createEdgeLink(host, false)); |
| 428 | |
| 429 | Set<Path> paths = pathService.getPaths(hostId, |
| 430 | host.id()); |
| 431 | |
| 432 | if (!paths.isEmpty()) { |
| 433 | paths.forEach(path -> path.links().forEach(linkMap::add)); |
| 434 | } |
| 435 | }); |
| 436 | |
| 437 | List<OpenstackLink> openstackLinks = Lists.newArrayList(); |
| 438 | |
| 439 | linkMap.biLinks().forEach(openstackLinks::add); |
| 440 | |
| 441 | return openstackLinks; |
| 442 | } |
| 443 | |
| 444 | private boolean isHostInSameNetwork(Host host, String networkId) { |
| 445 | return hostService.getHost(host.id()).annotations() |
| 446 | .value(ANNOTATION_NETWORK_ID).equals(networkId); |
| 447 | } |
| 448 | |
| 449 | private NodeBadge createBadge(int n) { |
| 450 | return NodeBadge.number(Status.INFO, n, "Openstack Node"); |
| 451 | } |
| 452 | } |