| /* |
| * Copyright 2016-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.opencord.cordvtn.rest; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.node.ArrayNode; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import org.onlab.osgi.DefaultServiceDirectory; |
| import org.onosproject.rest.AbstractWebResource; |
| import org.opencord.cordvtn.api.core.CordVtnAdminService; |
| import org.opencord.cordvtn.api.net.NetworkId; |
| import org.openstack4j.core.transport.ObjectMapperSingleton; |
| import org.openstack4j.model.network.Network; |
| import org.openstack4j.openstack.networking.domain.NeutronNetwork; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import javax.ws.rs.Consumes; |
| import javax.ws.rs.DELETE; |
| import javax.ws.rs.GET; |
| import javax.ws.rs.POST; |
| import javax.ws.rs.PUT; |
| import javax.ws.rs.Path; |
| import javax.ws.rs.PathParam; |
| import javax.ws.rs.Produces; |
| import javax.ws.rs.core.Context; |
| import javax.ws.rs.core.MediaType; |
| import javax.ws.rs.core.Response; |
| import javax.ws.rs.core.UriBuilder; |
| import javax.ws.rs.core.UriInfo; |
| import java.io.InputStream; |
| import java.util.Set; |
| |
| import static com.fasterxml.jackson.databind.SerializationFeature.INDENT_OUTPUT; |
| import static javax.ws.rs.core.Response.*; |
| import static javax.ws.rs.core.Response.Status.NOT_FOUND; |
| |
| /** |
| * Neutron ML2 mechanism driver implementation for the network resource. |
| */ |
| @Path("networks") |
| public class NeutronMl2NetworksWebResource extends AbstractWebResource { |
| protected final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| private static final String MESSAGE = "Received networks %s request"; |
| private static final String NETWORK = "network"; |
| private static final String NETWORKS = "networks"; |
| |
| private final CordVtnAdminService adminService = |
| DefaultServiceDirectory.getService(CordVtnAdminService.class); |
| |
| @Context |
| private UriInfo uriInfo; |
| |
| /** |
| * Creates a network from the JSON input stream. |
| * |
| * @param input network JSON input stream |
| * @return 201 CREATED if the JSON is correct, 400 BAD_REQUEST if the JSON |
| * is invalid or duplicated network already exists |
| */ |
| @POST |
| @Consumes(MediaType.APPLICATION_JSON) |
| @Produces(MediaType.APPLICATION_JSON) |
| public Response createNetwork(InputStream input) { |
| log.trace(String.format(MESSAGE, "CREATE")); |
| |
| final NeutronNetwork net = readNetwork(input); |
| adminService.createNetwork(net); |
| |
| UriBuilder locationBuilder = uriInfo.getBaseUriBuilder() |
| .path(NETWORKS) |
| .path(net.getId()); |
| |
| return created(locationBuilder.build()).build(); |
| } |
| |
| /** |
| * Updates the network with the specified identifier. |
| * |
| * @param id network identifier |
| * @param input network JSON input stream |
| * @return 200 OK with the updated network, 400 BAD_REQUEST if the requested |
| * network does not exist |
| */ |
| @PUT |
| @Path("{id}") |
| @Consumes(MediaType.APPLICATION_JSON) |
| @Produces(MediaType.APPLICATION_JSON) |
| public Response updateNetwork(@PathParam("id") String id, InputStream input) { |
| log.trace(String.format(MESSAGE, "UPDATE " + id)); |
| |
| final NeutronNetwork net = readNetwork(input); |
| adminService.updateNetwork(net); |
| |
| ObjectNode result = this.mapper().createObjectNode(); |
| return ok(result.set(NETWORK, writeNetwork(net))).build(); |
| } |
| |
| /** |
| * Returns all networks. |
| * |
| * @return 200 OK with set of networks |
| */ |
| @GET |
| @Consumes(MediaType.APPLICATION_JSON) |
| @Produces(MediaType.APPLICATION_JSON) |
| public Response getNetworks() { |
| log.trace(String.format(MESSAGE, "GET")); |
| |
| Set<Network> nets = adminService.networks(); |
| ArrayNode arrayNodes = mapper().createArrayNode(); |
| nets.stream().forEach(net -> { |
| arrayNodes.add(writeNetwork(net)); |
| }); |
| |
| ObjectNode result = this.mapper().createObjectNode(); |
| return ok(result.set(NETWORKS, arrayNodes)).build(); |
| } |
| |
| /** |
| * Returns the network with the given network id. |
| * |
| * @param id network id |
| * @return 200 OK with the network, 404 NOT_FOUND if the network does not exist |
| */ |
| @GET |
| @Path("{id}") |
| @Consumes(MediaType.APPLICATION_JSON) |
| @Produces(MediaType.APPLICATION_JSON) |
| public Response getNetwork(@PathParam("id") String id) { |
| log.trace(String.format(MESSAGE, "GET " + id)); |
| |
| Network net = adminService.network(NetworkId.of(id)); |
| if (net == null) { |
| return status(NOT_FOUND).build(); |
| } |
| |
| ObjectNode result = mapper().createObjectNode(); |
| return ok(result.set(NETWORK, writeNetwork(net))).build(); |
| } |
| |
| /** |
| * Removes the service network. |
| * |
| * @param id network identifier |
| * @return 204 NO_CONTENT, 400 BAD_REQUEST if the network does not exist |
| */ |
| @DELETE |
| @Path("{id}") |
| @Consumes(MediaType.APPLICATION_JSON) |
| @Produces(MediaType.APPLICATION_JSON) |
| public Response deleteNetwork(@PathParam("id") String id) { |
| log.trace(String.format(MESSAGE, "DELETE " + id)); |
| |
| adminService.removeNetwork(NetworkId.of(id)); |
| return noContent().build(); |
| } |
| |
| private NeutronNetwork readNetwork(InputStream input) { |
| try { |
| JsonNode jsonTree = mapper().enable(INDENT_OUTPUT).readTree(input); |
| log.trace(mapper().writeValueAsString(jsonTree)); |
| return ObjectMapperSingleton.getContext(NeutronNetwork.class) |
| .readerFor(NeutronNetwork.class) |
| .readValue(jsonTree); |
| } catch (Exception e) { |
| throw new IllegalArgumentException(); |
| } |
| } |
| |
| private ObjectNode writeNetwork(Network net) { |
| try { |
| String strNet = ObjectMapperSingleton.getContext(NeutronNetwork.class) |
| .writerFor(NeutronNetwork.class) |
| .writeValueAsString(net); |
| log.trace(strNet); |
| return (ObjectNode) mapper().readTree(strNet.getBytes()); |
| } catch (Exception e) { |
| throw new IllegalStateException(); |
| } |
| } |
| } |