Seyeon Jeong | 357bcec | 2020-02-28 01:17:34 -0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2020-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 | |
| 17 | package org.onosproject.t3.cli; |
| 18 | |
| 19 | import com.fasterxml.jackson.core.type.TypeReference; |
| 20 | import com.fasterxml.jackson.databind.JsonNode; |
| 21 | import com.fasterxml.jackson.databind.node.ArrayNode; |
| 22 | import com.fasterxml.jackson.databind.node.ObjectNode; |
| 23 | import com.google.common.collect.Lists; |
| 24 | import org.apache.karaf.shell.api.action.Argument; |
| 25 | import org.apache.karaf.shell.api.action.Command; |
| 26 | import org.apache.karaf.shell.api.action.Completion; |
| 27 | import org.apache.karaf.shell.api.action.lifecycle.Service; |
| 28 | import org.onlab.packet.MacAddress; |
| 29 | import org.onlab.packet.VlanId; |
| 30 | import org.onosproject.cli.AbstractShellCommand; |
| 31 | import org.onosproject.cli.PlaceholderCompleter; |
| 32 | import org.onosproject.cluster.NodeId; |
| 33 | import org.onosproject.mcast.api.McastRoute; |
| 34 | import org.onosproject.mcast.api.McastRouteData; |
| 35 | import org.onosproject.net.ConnectPoint; |
| 36 | import org.onosproject.net.Device; |
| 37 | import org.onosproject.net.DeviceId; |
| 38 | import org.onosproject.net.Host; |
| 39 | import org.onosproject.net.HostId; |
| 40 | import org.onosproject.net.Link; |
| 41 | import org.onosproject.net.Port; |
| 42 | import org.onosproject.net.PortNumber; |
| 43 | import org.onosproject.net.config.Config; |
| 44 | import org.onosproject.net.config.basics.InterfaceConfig; |
| 45 | import org.onosproject.net.flow.FlowEntry; |
| 46 | import org.onosproject.net.flow.instructions.Instruction; |
| 47 | import org.onosproject.net.group.Group; |
| 48 | import org.onosproject.routeservice.ResolvedRoute; |
| 49 | import org.onosproject.routeservice.Route; |
| 50 | import org.onosproject.segmentrouting.config.SegmentRoutingDeviceConfig; |
| 51 | import org.onosproject.t3.api.DeviceNib; |
| 52 | import org.onosproject.t3.api.DriverNib; |
| 53 | import org.onosproject.t3.api.EdgePortNib; |
| 54 | import org.onosproject.t3.api.FlowNib; |
| 55 | import org.onosproject.t3.api.GroupNib; |
| 56 | import org.onosproject.t3.api.HostNib; |
| 57 | import org.onosproject.t3.api.LinkNib; |
| 58 | import org.onosproject.t3.api.MastershipNib; |
| 59 | import org.onosproject.t3.api.MulticastRouteNib; |
| 60 | import org.onosproject.t3.api.NetworkConfigNib; |
| 61 | import org.onosproject.t3.api.RouteNib; |
| 62 | import org.onosproject.t3.api.TroubleshootService; |
| 63 | import org.slf4j.Logger; |
| 64 | |
| 65 | import java.io.File; |
| 66 | import java.io.FileInputStream; |
| 67 | import java.io.IOException; |
| 68 | import java.io.InputStream; |
| 69 | import java.util.ArrayList; |
| 70 | import java.util.HashMap; |
| 71 | import java.util.HashSet; |
| 72 | import java.util.List; |
| 73 | import java.util.Map; |
| 74 | import java.util.Set; |
| 75 | |
| 76 | import static org.slf4j.LoggerFactory.getLogger; |
| 77 | |
| 78 | /** |
| 79 | * Reads network states from JSON files of onos-diagnostics |
| 80 | * and sets them to corresponding Network Information Bases (NIBs). |
| 81 | */ |
| 82 | @Service |
| 83 | @Command(scope = "onos", name = "t3-load-file", |
| 84 | description = "Command to create a snapshot (cache) of network states called Network Information Bases (NIBs) " |
| 85 | + "from onos-diagnostics dump files") |
| 86 | public class TroubleshootLoadFileCommand extends AbstractShellCommand { |
| 87 | |
| 88 | private static final Logger log = getLogger(TroubleshootLoadFileCommand.class); |
| 89 | |
| 90 | public static final String ERROR_NULL = "Some NIBs are not ready to trace. " + |
| 91 | "Make sure t3-troubleshoot-load-file is done correctly"; |
| 92 | |
| 93 | @Argument(index = 0, name = "rootDir", description = "Specify the location of the directory " + |
| 94 | "where the dump files of a given instance have been extracted (e.g. /tmp/onos-diags/127.0.0.1)", |
| 95 | required = true, multiValued = false) |
| 96 | @Completion(PlaceholderCompleter.class) |
| 97 | String rootDir; |
| 98 | |
| 99 | @Override |
| 100 | protected void doExecute() { |
| 101 | |
| 102 | if (!rootDir.endsWith("/")) { |
| 103 | rootDir = rootDir + "/"; |
| 104 | } |
| 105 | print("Load target files in: %s", rootDir); |
| 106 | |
| 107 | try { |
| 108 | // fills each NIB (singleton) instance with the contents of the corresponding dump file |
| 109 | // the file names are defined in the onos-diagnostics script |
| 110 | createFlowNib(rootDir + "flows.json"); |
| 111 | createGroupNib(rootDir + "groups.json"); |
| 112 | createLinkNib(rootDir + "links.json"); |
| 113 | createHostNib(rootDir + "hosts.json"); |
| 114 | createDeviceNib(rootDir + "ports.json"); |
| 115 | createDriverNib(rootDir + "device-drivers.json"); |
| 116 | createMastershipNib(rootDir + "masters.json"); |
| 117 | createEdgePortNib(rootDir + "edge-ports.json"); |
| 118 | createRouteNib(rootDir + "routes.json"); |
| 119 | createNetworkConfigNib(rootDir + "netcfg.json"); |
| 120 | createMulticastRouteNib(rootDir + "mcast-host-show.json"); |
| 121 | } catch (IOException e) { |
| 122 | print("Error in creating NIB: %s", e.getMessage()); |
| 123 | log.error("Nib creation error", e); |
| 124 | return; |
| 125 | } |
| 126 | |
| 127 | TroubleshootService service = get(TroubleshootService.class); |
| 128 | service.applyNibs(); |
| 129 | if (service.checkNibsUnavailable()) { |
| 130 | print(ERROR_NULL); |
| 131 | return; |
| 132 | } |
| 133 | } |
| 134 | |
| 135 | /** |
| 136 | * Fetches multicast route-related information and creates the multicast route NIB. |
| 137 | * |
| 138 | * @param fileName absolute path of JSON file to read |
| 139 | */ |
| 140 | private void createMulticastRouteNib(String fileName) throws IOException { |
| 141 | InputStream stream = new FileInputStream(new File(fileName)); |
| 142 | JsonNode jsonTree = mapper().readTree(stream); |
| 143 | Map<McastRoute, McastRouteData> mcastRoutes = new HashMap<>(); |
| 144 | |
| 145 | // note: the parsing structure depends on McastShowHostCommand |
| 146 | jsonTree.forEach(mcastRouteNode -> { |
| 147 | // use McastHostRouteCodec to decode McastRoute |
| 148 | McastRoute mcastRoute = codec(McastRoute.class) |
| 149 | .decode((ObjectNode) mcastRouteNode, this); |
| 150 | // create McastRouteData that stores sources and sinks of McastRoute |
| 151 | McastRouteData mcastRouteData = McastRouteData.empty(); |
| 152 | if (mcastRouteNode.get("sources") != null) { |
| 153 | JsonNode sourcesNode = mcastRouteNode.get("sources"); |
| 154 | sourcesNode.fields().forEachRemaining(sourceEntry -> { |
| 155 | HostId hostId = HostId.hostId(sourceEntry.getKey()); |
| 156 | Set<ConnectPoint> sources = mapper().convertValue( |
| 157 | sourceEntry.getValue(), new TypeReference<Set<ConnectPoint>>() { }); |
| 158 | mcastRouteData.addSources(hostId, sources); |
| 159 | }); |
| 160 | } |
| 161 | if (mcastRouteNode.get("sinks") != null) { |
| 162 | JsonNode sinksNode = mcastRouteNode.get("sinks"); |
| 163 | sinksNode.fields().forEachRemaining(sinkEntry -> { |
| 164 | HostId hostId = HostId.hostId(sinkEntry.getKey()); |
| 165 | Set<ConnectPoint> sinks = mapper().convertValue( |
| 166 | sinkEntry.getValue(), new TypeReference<Set<ConnectPoint>>() { }); |
| 167 | mcastRouteData.addSinks(hostId, sinks); |
| 168 | }); |
| 169 | } |
| 170 | mcastRoutes.put(mcastRoute, mcastRouteData); |
| 171 | }); |
| 172 | |
| 173 | MulticastRouteNib mcastRouteNib = MulticastRouteNib.getInstance(); |
| 174 | mcastRouteNib.setMcastRoutes(mcastRoutes); |
| 175 | print("the number of mcast routes: %d", mcastRouteNib.getMcastRoutes().size()); |
| 176 | |
| 177 | stream.close(); |
| 178 | } |
| 179 | |
| 180 | /** |
| 181 | * Fetches network config-related information and creates the network config NIB. |
| 182 | * |
| 183 | * @param fileName absolute path of JSON file to read |
| 184 | */ |
| 185 | private void createNetworkConfigNib(String fileName) throws IOException { |
| 186 | InputStream stream = new FileInputStream(new File(fileName)); |
| 187 | JsonNode jsonTree = mapper().readTree(stream); |
| 188 | Map<String, Config> portConfigMap = new HashMap<>(); |
| 189 | Map<String, Config> deviceConfigMap = new HashMap<>(); |
| 190 | |
| 191 | // note: the parsing structure depends on NetworkConfigCommand |
| 192 | // TODO: improve the code quality by referring to target json |
| 193 | jsonTree.fields().forEachRemaining(e -> { |
| 194 | if (e.getKey().equals("ports")) { |
| 195 | JsonNode portConfigsNode = e.getValue(); |
| 196 | portConfigsNode.fields().forEachRemaining(portConfigEntry -> { |
| 197 | String key = portConfigEntry.getKey(); |
| 198 | InterfaceConfig config = new InterfaceConfig(); |
| 199 | config.init(ConnectPoint.fromString(key), "interfaces", |
| 200 | portConfigEntry.getValue().get("interfaces"), mapper(), null); |
| 201 | portConfigMap.put(key, config); |
| 202 | }); |
| 203 | } else if (e.getKey().equals("devices")) { |
| 204 | JsonNode deviceConfigsNode = e.getValue(); |
| 205 | deviceConfigsNode.fields().forEachRemaining(deviceConfigEntry -> { |
| 206 | String key = deviceConfigEntry.getKey(); |
| 207 | SegmentRoutingDeviceConfig config = new SegmentRoutingDeviceConfig(); |
| 208 | config.init(DeviceId.deviceId(key), "segmentrouting", |
| 209 | deviceConfigEntry.getValue().get("segmentrouting"), mapper(), null); |
| 210 | deviceConfigMap.put(key, config); |
| 211 | }); |
| 212 | } else { |
| 213 | log.warn("Given configuration subject {} is not supported", e.getKey()); |
| 214 | } |
| 215 | }); |
| 216 | |
| 217 | NetworkConfigNib networkConfigNib = NetworkConfigNib.getInstance(); |
| 218 | networkConfigNib.setPortConfigMap(portConfigMap); |
| 219 | networkConfigNib.setDeviceConfigMap(deviceConfigMap); |
| 220 | print("the number of network configurations: %d", |
| 221 | networkConfigNib.getPortConfigMap().size() + networkConfigNib.getDeviceConfigMap().size()); |
| 222 | |
| 223 | stream.close(); |
| 224 | } |
| 225 | |
| 226 | /** |
| 227 | * Fetches route-related information and creates the route NIB. |
| 228 | * |
| 229 | * @param fileName absolute path of JSON file to read |
| 230 | */ |
| 231 | private void createRouteNib(String fileName) throws IOException { |
| 232 | InputStream stream = new FileInputStream(new File(fileName)); |
| 233 | JsonNode jsonTree = mapper().readTree(stream); |
| 234 | Set<ResolvedRoute> routes = new HashSet<>(); |
| 235 | |
| 236 | // note: the parsing structure depends on RoutesListCommand |
| 237 | jsonTree.fields().forEachRemaining(e -> { |
| 238 | ArrayNode routesNode = (ArrayNode) e.getValue(); |
| 239 | routesNode.forEach(routeNode -> { |
| 240 | Route route = codec(Route.class).decode((ObjectNode) routeNode, this); |
| 241 | // parse optional fields needed for ResolvedRoute |
| 242 | MacAddress nextHopMac = (null == routeNode.get("nextHopMac")) ? |
| 243 | null : MacAddress.valueOf(routeNode.get("nextHopMac").asText()); |
| 244 | VlanId nextHopVlan = (null == routeNode.get("nextHopVlan")) ? |
| 245 | null : VlanId.vlanId(routeNode.get("nextHopVlan").asText()); |
| 246 | routes.add(new ResolvedRoute(route, nextHopMac, nextHopVlan)); |
| 247 | }); |
| 248 | }); |
| 249 | |
| 250 | RouteNib routeNib = RouteNib.getInstance(); |
| 251 | routeNib.setRoutes(routes); |
| 252 | print("the number of routes: %d", routeNib.getRoutes().size()); |
| 253 | |
| 254 | stream.close(); |
| 255 | } |
| 256 | |
| 257 | /** |
| 258 | * Fetches edge port-related information and creates the edge port NIB. |
| 259 | * |
| 260 | * @param fileName absolute path of JSON file to read |
| 261 | */ |
| 262 | private void createEdgePortNib(String fileName) throws IOException { |
| 263 | InputStream stream = new FileInputStream(new File(fileName)); |
| 264 | JsonNode jsonTree = mapper().readTree(stream); |
| 265 | Map<DeviceId, Set<ConnectPoint>> edgePorts = new HashMap<>(); |
| 266 | |
| 267 | // note: the parsing structure depends on EdgePortsListCommand |
| 268 | jsonTree.forEach(jsonNode -> { |
| 269 | DeviceId deviceId = DeviceId.deviceId(jsonNode.fieldNames().next()); |
| 270 | PortNumber portNumber = PortNumber.portNumber( |
| 271 | jsonNode.get(deviceId.toString()).asText()); |
| 272 | if (!edgePorts.containsKey(deviceId)) { |
| 273 | edgePorts.put(deviceId, new HashSet<>()); |
| 274 | } |
| 275 | edgePorts.get(deviceId).add(new ConnectPoint(deviceId, portNumber)); |
| 276 | }); |
| 277 | |
| 278 | EdgePortNib edgePortNib = EdgePortNib.getInstance(); |
| 279 | edgePortNib.setEdgePorts(edgePorts); |
| 280 | print("the number of edge ports: %d", edgePortNib.getEdgePorts().size()); |
| 281 | |
| 282 | stream.close(); |
| 283 | } |
| 284 | |
| 285 | /** |
| 286 | * Fetches mastership-related information and creates the mastership NIB. |
| 287 | * |
| 288 | * @param fileName absolute path of JSON file to read |
| 289 | */ |
| 290 | private void createMastershipNib(String fileName) throws IOException { |
| 291 | InputStream stream = new FileInputStream(new File(fileName)); |
| 292 | JsonNode jsonTree = mapper().readTree(stream); |
| 293 | Map<DeviceId, NodeId> deviceMasterMap = new HashMap<>(); |
| 294 | |
| 295 | // note: the parsing structure depends on MastersListCommand |
| 296 | jsonTree.forEach(jsonNode -> { |
| 297 | ArrayNode devicesNode = ((ArrayNode) jsonNode.get("devices")); |
| 298 | devicesNode.forEach(deviceNode -> { |
| 299 | // a device is connected to only one master node at a time |
| 300 | deviceMasterMap.put( |
| 301 | DeviceId.deviceId(deviceNode.asText()), |
| 302 | NodeId.nodeId(jsonNode.get("id").asText())); |
| 303 | }); |
| 304 | }); |
| 305 | |
| 306 | MastershipNib mastershipNib = MastershipNib.getInstance(); |
| 307 | mastershipNib.setDeviceMasterMap(deviceMasterMap); |
| 308 | print("the number of device-node mappings: %d", mastershipNib.getDeviceMasterMap().size()); |
| 309 | |
| 310 | stream.close(); |
| 311 | } |
| 312 | |
| 313 | /** |
| 314 | * Fetches driver-related information and creates the driver NIB. |
| 315 | * |
| 316 | * @param fileName absolute path of JSON file to read |
| 317 | */ |
| 318 | private void createDriverNib(String fileName) throws IOException { |
| 319 | InputStream stream = new FileInputStream(new File(fileName)); |
| 320 | JsonNode jsonTree = mapper().readTree(stream); |
| 321 | Map<DeviceId, String> deviceDriverMap = new HashMap<>(); |
| 322 | |
| 323 | // note: the parsing structure depends on DeviceDriversCommand |
| 324 | jsonTree.fields().forEachRemaining(e -> { |
| 325 | deviceDriverMap.put(DeviceId.deviceId(e.getKey()), e.getValue().asText()); |
| 326 | }); |
| 327 | |
| 328 | DriverNib driverNib = DriverNib.getInstance(); |
| 329 | driverNib.setDeviceDriverMap(deviceDriverMap); |
| 330 | print("the number of device-driver mappings: %d", deviceDriverMap.size()); |
| 331 | |
| 332 | stream.close(); |
| 333 | } |
| 334 | |
| 335 | /** |
| 336 | * Fetches device-related information and creates the device NIB. |
| 337 | * |
| 338 | * @param fileName absolute path of JSON file to read |
| 339 | */ |
| 340 | private void createDeviceNib(String fileName) throws IOException { |
| 341 | InputStream stream = new FileInputStream(new File(fileName)); |
| 342 | JsonNode jsonTree = mapper().readTree(stream); |
| 343 | Map<Device, Set<Port>> devicePortMap = new HashMap<>(); |
| 344 | |
| 345 | // note: the parsing structure depends on DevicePortsListCommand |
| 346 | jsonTree.forEach(jsonNode -> { |
| 347 | Device device = codec(Device.class).decode( |
| 348 | (ObjectNode) jsonNode.get("device"), this); |
| 349 | Set<Port> ports = new HashSet<>(codec(Port.class).decode( |
| 350 | (ArrayNode) jsonNode.get("ports"), this)); |
| 351 | devicePortMap.put(device, ports); |
| 352 | }); |
| 353 | |
| 354 | DeviceNib deviceNib = DeviceNib.getInstance(); |
| 355 | deviceNib.setDevicePortMap(devicePortMap); |
| 356 | print("the number of devices: %d", deviceNib.getDevicePortMap().size()); |
| 357 | |
| 358 | stream.close(); |
| 359 | } |
| 360 | |
| 361 | /** |
| 362 | * Fetches host-related information and creates the host NIB. |
| 363 | * |
| 364 | * @param fileName absolute path of JSON file to read |
| 365 | */ |
| 366 | private void createHostNib(String fileName) throws IOException { |
| 367 | InputStream stream = new FileInputStream(new File(fileName)); |
| 368 | JsonNode jsonTree = mapper().readTree(stream); |
| 369 | Set<Host> hosts = new HashSet<>(); |
| 370 | |
| 371 | // note: the parsing structure depends on HostsListCommand |
| 372 | hosts.addAll(codec(Host.class).decode((ArrayNode) jsonTree, this)); |
| 373 | |
| 374 | HostNib hostNib = HostNib.getInstance(); |
| 375 | hostNib.setHosts(hosts); |
| 376 | print("the number of hosts: %d", hostNib.getHosts().size()); |
| 377 | |
| 378 | stream.close(); |
| 379 | } |
| 380 | |
| 381 | /** |
| 382 | * Fetches link-related information and creates the link NIB. |
| 383 | * |
| 384 | * @param fileName absolute path of JSON file to read |
| 385 | */ |
| 386 | private void createLinkNib(String fileName) throws IOException { |
| 387 | InputStream stream = new FileInputStream(new File(fileName)); |
| 388 | JsonNode jsonTree = mapper().readTree(stream); |
| 389 | Set<Link> links = new HashSet<>(); |
| 390 | |
| 391 | // note: the parsing structure depends on LinksListCommand |
| 392 | links.addAll(codec(Link.class).decode((ArrayNode) jsonTree, this)); |
| 393 | |
| 394 | LinkNib linkNib = LinkNib.getInstance(); |
| 395 | linkNib.setLinks(links); |
| 396 | print("the number of links: %d", linkNib.getLinks().size()); |
| 397 | |
| 398 | stream.close(); |
| 399 | } |
| 400 | |
| 401 | /** |
| 402 | * Fetches group-related information and creates the group NIB. |
| 403 | * |
| 404 | * @param fileName absolute path of JSON file to read |
| 405 | */ |
| 406 | private void createGroupNib(String fileName) throws IOException { |
| 407 | InputStream stream = new FileInputStream(new File(fileName)); |
| 408 | JsonNode jsonTree = mapper().readTree(stream); |
| 409 | Set<Group> groups = new HashSet<>(); |
| 410 | |
| 411 | // note: the parsing structure depends on GroupsListCommand |
| 412 | groups.addAll(codec(Group.class).decode((ArrayNode) jsonTree, this)); |
| 413 | |
| 414 | GroupNib groupNib = GroupNib.getInstance(); |
| 415 | groupNib.setGroups(groups); |
| 416 | print("the number of groups: %d", groupNib.getGroups().size()); |
| 417 | |
| 418 | stream.close(); |
| 419 | } |
| 420 | |
| 421 | /** |
| 422 | * Fetches flow-related information and creates the flow NIB. |
| 423 | * |
| 424 | * @param fileName absolute path of JSON file to read |
| 425 | */ |
| 426 | private void createFlowNib(String fileName) throws IOException { |
| 427 | InputStream stream = new FileInputStream(new File(fileName)); |
| 428 | JsonNode jsonTree = mapper().readTree(stream); |
| 429 | Set<FlowEntry> flows = new HashSet<>(); |
| 430 | |
| 431 | List<ObjectNode> flowNodeList = new ArrayList<>(); |
| 432 | jsonTree.forEach(jsonNode -> { |
| 433 | ArrayNode flowArrayNode = (ArrayNode) jsonNode.get("flows"); |
| 434 | Lists.newArrayList(flowArrayNode.iterator()) |
| 435 | .forEach(flowNode -> flowNodeList.add((ObjectNode) flowNode)); |
| 436 | }); |
| 437 | |
| 438 | // TODO: future plan for the new APIs of the flow rule service that returns raw flows or normalized flows |
| 439 | flowNodeList.forEach(flowNode -> { |
| 440 | FlowEntry flow; |
| 441 | try { |
| 442 | flow = codec(FlowEntry.class).decode(flowNode, this); |
| 443 | } catch (IllegalArgumentException e) { |
| 444 | log.warn("T3 in offline mode ignores reading extension fields of this flow to avoid decoding error"); |
| 445 | ObjectNode extensionRemoved = removeExtension(flowNode); |
| 446 | flow = codec(FlowEntry.class).decode(extensionRemoved, this); |
| 447 | } |
| 448 | flows.add(flow); |
| 449 | }); |
| 450 | |
| 451 | FlowNib flowNib = FlowNib.getInstance(); |
| 452 | flowNib.setFlows(flows); |
| 453 | print("the number of flows: %d", flowNib.getFlows().size()); |
| 454 | |
| 455 | stream.close(); |
| 456 | } |
| 457 | |
| 458 | /** |
| 459 | * Remove JSON nodes for extension instructions of a flow. |
| 460 | * This effectively allows T3 in offline mode to ignore extension fields of flows to avoid "device not found" error. |
| 461 | * See decodeExtension() in {@link org.onosproject.codec.impl.DecodeInstructionCodecHelper}. |
| 462 | * |
| 463 | * @param flowNode the json node representing a flow |
| 464 | * @return json node with removed extensions |
| 465 | */ |
| 466 | private ObjectNode removeExtension(ObjectNode flowNode) { |
| 467 | |
| 468 | // TODO: decoding extension instructions of offline (dumped) flows is not supported by T3 for now |
| 469 | ArrayNode extensionRemoved = mapper().createArrayNode(); |
| 470 | ArrayNode instructionArrayNode = (ArrayNode) flowNode.get("treatment").get("instructions"); |
| 471 | instructionArrayNode.forEach(instrNode -> { |
| 472 | String instrType = instrNode.get("type").asText(); |
| 473 | if (!instrType.equals(Instruction.Type.EXTENSION.name())) { |
| 474 | extensionRemoved.add(instrNode); |
| 475 | } |
| 476 | }); |
| 477 | ((ObjectNode) flowNode.get("treatment")).replace("instructions", extensionRemoved); |
| 478 | |
| 479 | return flowNode; |
| 480 | } |
| 481 | |
| 482 | } |