OnosXOSIntegrationManager.java 17.8 KB
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495
/*
 * Copyright 2014-2015 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.xosintegration;

import com.eclipsesource.json.JsonArray;
import com.eclipsesource.json.JsonObject;
import com.google.common.collect.Maps;
import com.sun.jersey.api.client.Client;
import com.sun.jersey.api.client.ClientHandlerException;
import com.sun.jersey.api.client.ClientResponse;
import com.sun.jersey.api.client.WebResource;
import com.sun.jersey.api.client.filter.HTTPBasicAuthFilter;
import org.apache.felix.scr.annotations.Activate;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Deactivate;
import org.apache.felix.scr.annotations.Modified;
import org.apache.felix.scr.annotations.Property;
import org.apache.felix.scr.annotations.Reference;
import org.apache.felix.scr.annotations.ReferenceCardinality;
import org.apache.felix.scr.annotations.Service;
import org.onlab.packet.VlanId;
import org.onlab.util.Tools;
import org.onosproject.cfg.ComponentConfigService;
import org.onosproject.core.ApplicationId;
import org.onosproject.core.CoreService;
import org.onosproject.net.ConnectPoint;
import org.onosproject.net.DeviceId;
import org.onosproject.net.PortNumber;
import org.onosproject.net.flow.DefaultTrafficSelector;
import org.onosproject.net.flow.DefaultTrafficTreatment;
import org.onosproject.net.flow.TrafficSelector;
import org.onosproject.net.flow.TrafficTreatment;
import org.onosproject.net.flowobjective.DefaultForwardingObjective;
import org.onosproject.net.flowobjective.FlowObjectiveService;
import org.onosproject.net.flowobjective.ForwardingObjective;
import org.osgi.service.component.ComponentContext;
import org.slf4j.Logger;

import java.util.Dictionary;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;
import java.util.stream.IntStream;

import static com.google.common.base.Strings.isNullOrEmpty;
import static com.google.common.net.MediaType.JSON_UTF_8;
import static java.net.HttpURLConnection.*;
import static org.slf4j.LoggerFactory.getLogger;


/**
 * XOS interface application.
 */
@Component(immediate = true)
@Service
public class OnosXOSIntegrationManager implements VoltTenantService {
    private static final String XOS_SERVER_ADDRESS_PROPERTY_NAME =
            "xosServerAddress";
    private static final String XOS_SERVER_PORT_PROPERTY_NAME =
            "xosServerPort";
    private static final String XOS_PROVIDER_SERVICE_PROPERTY_NAME =
            "xosProviderService";

    private static final String TEST_XOS_SERVER_ADDRESS = "10.254.1.22";
    private static final int TEST_XOS_SERVER_PORT = 8000;
    private static final String XOS_TENANT_BASE_URI = "/xoslib/volttenant/";
    private static final int TEST_XOS_PROVIDER_SERVICE = 1;

    private static final int PRIORITY = 50000;
    private static final DeviceId FABRIC_DEVICE_ID = DeviceId.deviceId("of:5e3e486e73000187");
    private static final PortNumber FABRIC_OLT_CONNECT_POINT = PortNumber.portNumber(2);
    private static final PortNumber FABRIC_VCPE_CONNECT_POINT = PortNumber.portNumber(3);
    private static final String FABRIC_CONTROLLER_ADDRESS = "10.0.3.136";
    private static final int FABRIC_SERVER_PORT = 8181;
    private static final String FABRIC_BASE_URI = "/onos/cordfabric/vlans/add";

    private static final ConnectPoint FABRIC_PORT = new ConnectPoint(
            DeviceId.deviceId("of:000090e2ba82f974"),
            PortNumber.portNumber(2));

    private final Logger log = getLogger(getClass());
    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
    protected CoreService coreService;
    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
    protected ComponentConfigService cfgService;

    @Reference(cardinality = ReferenceCardinality.MANDATORY_UNARY)
    protected FlowObjectiveService flowObjectiveService;

    @Property(name = XOS_SERVER_ADDRESS_PROPERTY_NAME,
              value = TEST_XOS_SERVER_ADDRESS,
              label = "XOS Server address")
    protected String xosServerAddress = TEST_XOS_SERVER_ADDRESS;

    @Property(name = XOS_SERVER_PORT_PROPERTY_NAME,
              intValue = TEST_XOS_SERVER_PORT,
              label = "XOS Server port")
    protected int xosServerPort = TEST_XOS_SERVER_PORT;

    @Property(name = XOS_PROVIDER_SERVICE_PROPERTY_NAME,
            intValue = TEST_XOS_PROVIDER_SERVICE,
            label = "XOS Provider Service")
    protected int xosProviderService = TEST_XOS_PROVIDER_SERVICE;

    private ApplicationId appId;
    private Map<String, ConnectPoint> nodeToPort;
    private Map<Long, Short> portToVlan;
    private Map<ConnectPoint, String> portToSsid;

    @Activate
    public void activate(ComponentContext context) {
        log.info("XOS app is starting");
        cfgService.registerProperties(getClass());
        appId = coreService.registerApplication("org.onosproject.xosintegration");

        setupMap();

        readComponentConfiguration(context);

        log.info("XOS({}) started", appId.id());
    }

    @Deactivate
    public void deactivate() {
        cfgService.unregisterProperties(getClass(), false);
        log.info("XOS({}) stopped", appId.id());
    }

    @Modified
    public void modified(ComponentContext context) {
        readComponentConfiguration(context);
    }

    private void setupMap() {
        nodeToPort = Maps.newHashMap();

        nodeToPort.put("cordcompute01.onlab.us", new ConnectPoint(FABRIC_DEVICE_ID,
                                                                  PortNumber.portNumber(4)));

        nodeToPort.put("cordcompute02.onlab.us", new ConnectPoint(FABRIC_DEVICE_ID,
                                                                  PortNumber.portNumber(3)));

        portToVlan = Maps.newHashMap();
        portToVlan.putIfAbsent(2L, (short) 201);
        portToVlan.putIfAbsent(6L, (short) 401);

        portToSsid = Maps.newHashMap();
        portToSsid.put(new ConnectPoint(FABRIC_DEVICE_ID, PortNumber.portNumber(2)), "0");
        portToSsid.put(new ConnectPoint(FABRIC_DEVICE_ID, PortNumber.portNumber(6)), "1");
    }

    /**
     * Converts a JSON representation of a tenant into a tenant object.
     *
     * @param jsonTenant JSON object representing the tenant
     * @return volt tenant object
     */
    private VoltTenant jsonToTenant(JsonObject jsonTenant) {
        return VoltTenant.builder()
                .withHumanReadableName(jsonTenant.get("humanReadableName").asString())
                .withId(jsonTenant.get("id").asInt())
                .withProviderService(jsonTenant.get("provider_service").asInt())
                .withServiceSpecificId(jsonTenant.get("service_specific_id").asString())
                .withVlanId(jsonTenant.get("vlan_id").asString())
                .build();
    }

    /**
     * Converts a tenant object into a JSON string.
     *
     * @param tenant volt tenant object to convert
     * @return JSON string for the tenant
     */
    private String tenantToJson(VoltTenant tenant) {
        return "{"
                    + "\"humanReadableName\": \"" + tenant.humanReadableName() + "\","
                    + "\"id\": \"" + tenant.id() + "\","
                    + "\"provider_service\": \"" + tenant.providerService() + "\","
                    + "\"service_specific_id\": \"" + tenant.serviceSpecificId() + "\","
                    + "\"vlan_id\": \"" + tenant.vlanId() + "\""
                    + "}";
    }

    /**
     * Gets a client web resource builder for the base XOS REST API
     * with no additional URI.
     *
     * @return web resource builder
     * @deprecated in Cardinal Release
     */
    @Deprecated
    private WebResource.Builder getClientBuilder() {
        return getClientBuilder("");
    }

    /**
     * Gets a client web resource builder for the base XOS REST API
     * with an optional additional URI.
     *
     * @return web resource builder
     * @deprecated in Cardinal Release
     */
    @Deprecated
    private WebResource.Builder getClientBuilder(String uri) {
        String baseUrl = "http://" + xosServerAddress + ":"
                + Integer.toString(xosServerPort);
        Client client = Client.create();
        client.addFilter(new HTTPBasicAuthFilter("padmin@vicci.org", "letmein"));
        WebResource resource = client.resource(baseUrl
                + XOS_TENANT_BASE_URI + uri);
        return resource.accept(JSON_UTF_8.toString())
                .type(JSON_UTF_8.toString());
    }

    /**
     * Performs a REST GET operation on the base XOS REST URI.
     *
     * @return JSON string fetched by the GET operation
     * @deprecated in Cardinal Release
     */
    @Deprecated
    private String getRest() {
        return getRest("");
    }

    /**
     * Performs a REST GET operation on the base XOS REST URI with
     * an optional additional URI.
     *
     * @return JSON string fetched by the GET operation
     * @deprecated in Cardinal Release
     */
    @Deprecated
    private String getRest(String uri) {
        WebResource.Builder builder = getClientBuilder(uri);
        ClientResponse response = builder.get(ClientResponse.class);

        if (response.getStatus() != HTTP_OK) {
            log.info("REST GET request returned error code {}",
                    response.getStatus());
        }
        String jsonString = response.getEntity(String.class);
        log.info("JSON read:\n{}", jsonString);

        return jsonString;
    }

    /**
     * Performs a REST POST operation of a json string on the base
     * XOS REST URI with an optional additional URI.
     *
     * @param json JSON string to post
     * @deprecated in Cardinal Release
     */
    @Deprecated
    private String postRest(String json) {
        WebResource.Builder builder = getClientBuilder();
        ClientResponse response;

        try {
            response = builder.post(ClientResponse.class, json);
        } catch (ClientHandlerException e) {
            log.warn("Unable to contact REST server: {}", e.getMessage());
            return "{ 'error' : 'oops no one home' }";
        }

        if (response.getStatus() != HTTP_CREATED) {
            log.info("REST POST request returned error code {}",
                    response.getStatus());
        }
        return response.getEntity(String.class);
    }

    /**
     * Performs a REST DELETE operation on the base
     * XOS REST URI with an optional additional URI.
     *
     * @param uri optional additional URI
     * @deprecated in Cardinal Release
     */
    @Deprecated
    private void deleteRest(String uri) {
        WebResource.Builder builder = getClientBuilder(uri);
        ClientResponse response = builder.delete(ClientResponse.class);

        if (response.getStatus() != HTTP_NO_CONTENT) {
            log.info("REST DELETE request returned error code {}",
                    response.getStatus());
        }
    }

    /**
     * Deletes the tenant with the given ID.
     *
     * @param tenantId ID of tenant to delete
     */
    private void deleteTenant(long tenantId) {
        deleteRest(Long.toString(tenantId));
    }

    @Override
    public Set<VoltTenant> getAllTenants() {
        String jsonString = getRest();

        JsonArray voltTenantItems = JsonArray.readFrom(jsonString);

        return IntStream.range(0, voltTenantItems.size())
                .mapToObj(index -> jsonToTenant(voltTenantItems.get(index).asObject()))
                .collect(Collectors.toSet());
    }

    @Override
    public void removeTenant(long id) {
        deleteTenant(id);
    }

    @Override
    public VoltTenant addTenant(VoltTenant newTenant) {
        long providerServiceId = newTenant.providerService();
        if (providerServiceId == -1) {
            providerServiceId = xosProviderService;
        }
        VoltTenant tenantToCreate = VoltTenant.builder()
                .withProviderService(providerServiceId)
                .withServiceSpecificId(portToSsid.get(newTenant.port()))
                .withVlanId(newTenant.vlanId())
                .withPort(newTenant.port())
                .build();
        String json = tenantToJson(tenantToCreate);

        //provisionDataPlane(tenantToCreate);

        String retJson = postRest(json);

        fetchCPELocation(newTenant, retJson);

        return newTenant;
    }

    private void fetchCPELocation(VoltTenant newTenant, String jsonString) {
        JsonObject json = JsonObject.readFrom(jsonString);

        if (json.get("computeNodeName") != null) {
            ConnectPoint point = nodeToPort.get(json.get("computeNodeName").asString());
            ConnectPoint fromPoint = newTenant.port();

            provisionFabric(VlanId.vlanId(Short.parseShort(newTenant.vlanId())),
                            point, fromPoint);
        }

    }

    @Override
    public VoltTenant getTenant(long id) {
        String jsonString = getRest(Long.toString(id));
        JsonObject jsonTenant = JsonObject.readFrom(jsonString);
        if (jsonTenant.get("id") != null) {
            return jsonToTenant(jsonTenant);
        } else {
            return null;
        }
    }

    private void provisionDataPlane(VoltTenant tenant) {
        VlanId vlan = VlanId.vlanId(Short.parseShort(tenant.vlanId()));

        TrafficSelector fromGateway = DefaultTrafficSelector.builder()
                .matchInPhyPort(tenant.port().port())
                .build();

        TrafficSelector fromFabric = DefaultTrafficSelector.builder()
                .matchInPhyPort(FABRIC_PORT.port())
                .matchVlanId(vlan)
                .build();

        TrafficTreatment toFabric = DefaultTrafficTreatment.builder()
                .pushVlan()
                .setVlanId(vlan)
                .setOutput(FABRIC_PORT.port())
                .build();

        TrafficTreatment toGateway = DefaultTrafficTreatment.builder()
                .popVlan()
                .setOutput(tenant.port().port())
                .build();

        ForwardingObjective forwardToFabric = DefaultForwardingObjective.builder()
                .withFlag(ForwardingObjective.Flag.VERSATILE)
                .withPriority(PRIORITY)
                .makePermanent()
                .fromApp(appId)
                .withSelector(fromGateway)
                .withTreatment(toFabric)
                .add();

        ForwardingObjective forwardToGateway = DefaultForwardingObjective.builder()
                .withFlag(ForwardingObjective.Flag.VERSATILE)
                .withPriority(PRIORITY)
                .makePermanent()
                .fromApp(appId)
                .withSelector(fromFabric)
                .withTreatment(toGateway)
                .add();

        flowObjectiveService.forward(FABRIC_PORT.deviceId(), forwardToFabric);
        flowObjectiveService.forward(FABRIC_PORT.deviceId(), forwardToGateway);
    }

    private void provisionFabric(VlanId vlanId, ConnectPoint point, ConnectPoint fromPoint) {
        //String json = "{\"vlan\":" + vlanId + ",\"ports\":[";
        //json += "{\"device\":\"" + FABRIC_DEVICE_ID.toString() + "\",\"port\":\""
        //       + FABRIC_OLT_CONNECT_POINT.toString() + "\"},";
        //json += "{\"device\":\"" + FABRIC_DEVICE_ID.toString() + "\",\"port\":\""
        //        + FABRIC_VCPE_CONNECT_POINT.toString() + "\"}";
        //json += "]}";

        long vlan = portToVlan.get(fromPoint.port().toLong());


        JsonObject node = new JsonObject();
        node.add("vlan", vlan);
        if (vlan == 201) {
            node.add("iptv", true);
        } else {
            node.add("iptv", false);
        }
        JsonArray array = new JsonArray();
        JsonObject cp1 = new JsonObject();
        JsonObject cp2 = new JsonObject();
        cp1.add("device", point.deviceId().toString());
        cp1.add("port", point.port().toLong());
        cp2.add("device", fromPoint.deviceId().toString());
        cp2.add("port", fromPoint.port().toLong());
        array.add(cp1);
        array.add(cp2);
        node.add("ports", array);


        String baseUrl = "http://" + FABRIC_CONTROLLER_ADDRESS + ":"
                + Integer.toString(FABRIC_SERVER_PORT);
        Client client = Client.create();
        WebResource resource = client.resource(baseUrl + FABRIC_BASE_URI);
        WebResource.Builder builder = resource.accept(JSON_UTF_8.toString())
                .type(JSON_UTF_8.toString());

        try {
            builder.post(ClientResponse.class, node.toString());
        } catch (ClientHandlerException e) {
            log.warn("Unable to contact fabric REST server: {}", e.getMessage());
            return;
        }
    }

    /**
     * Extracts properties from the component configuration context.
     *
     * @param context the component context
     */
    private void readComponentConfiguration(ComponentContext context) {
        Dictionary<?, ?> properties = context.getProperties();

        String newXosServerAddress =
                Tools.get(properties, XOS_SERVER_ADDRESS_PROPERTY_NAME);
        if (!isNullOrEmpty(newXosServerAddress)) {
            xosServerAddress = newXosServerAddress;
        }

        String newXosServerPortString =
                Tools.get(properties, XOS_SERVER_PORT_PROPERTY_NAME);
        if (!isNullOrEmpty(newXosServerPortString)) {
            xosServerPort = Integer.parseInt(newXosServerPortString);
        }

        String newXosProviderServiceString =
                Tools.get(properties, XOS_PROVIDER_SERVICE_PROPERTY_NAME);
        if (!isNullOrEmpty(newXosProviderServiceString)) {
            xosProviderService = Integer.parseInt(newXosProviderServiceString);
        }
    }
}