| /* |
| * 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.SubnetId; |
| import org.openstack4j.core.transport.ObjectMapperSingleton; |
| import org.openstack4j.model.network.Subnet; |
| import org.openstack4j.openstack.networking.domain.NeutronSubnet; |
| 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.Status.NOT_FOUND; |
| import static javax.ws.rs.core.Response.created; |
| import static javax.ws.rs.core.Response.noContent; |
| import static javax.ws.rs.core.Response.status; |
| |
| /** |
| * Neutron ML2 mechanism driver implementation for the subnet resource. |
| */ |
| @Path("subnets") |
| public class NeutronMl2SubnetsWebResource extends AbstractWebResource { |
| protected final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| private static final String MESSAGE = "Received subnets %s request"; |
| private static final String SUBNET = "subnet"; |
| private static final String SUBNETS = "subnets"; |
| |
| private final CordVtnAdminService adminService = |
| DefaultServiceDirectory.getService(CordVtnAdminService.class); |
| |
| @Context |
| private UriInfo uriInfo; |
| |
| /** |
| * Creates a subnet from the JSON input stream. |
| * |
| * @param input subnet JSON input stream |
| * @return 201 CREATED if the JSON is correct, 400 BAD_REQUEST if the JSON |
| * is invalid or duplicated subnet already exists |
| */ |
| @POST |
| @Consumes(MediaType.APPLICATION_JSON) |
| @Produces(MediaType.APPLICATION_JSON) |
| public Response createSubnet(InputStream input) { |
| log.trace(String.format(MESSAGE, "CREATE")); |
| |
| final NeutronSubnet subnet = readSubnet(input); |
| adminService.createSubnet(subnet); |
| UriBuilder locationBuilder = uriInfo.getBaseUriBuilder() |
| .path(SUBNETS) |
| .path(subnet.getId()); |
| |
| // TODO fix networking-onos to send Network UPDATE when subnet created |
| return created(locationBuilder.build()).build(); |
| } |
| |
| /** |
| * Updates the subnet with the specified identifier. |
| * |
| * @param id subnet identifier |
| * @param input subnet JSON input stream |
| * @return 200 OK with the updated subnet, 400 BAD_REQUEST if the requested |
| * subnet does not exist |
| */ |
| @PUT |
| @Path("{id}") |
| @Produces(MediaType.APPLICATION_JSON) |
| @Consumes(MediaType.APPLICATION_JSON) |
| public Response updateSubnet(@PathParam("id") String id, InputStream input) { |
| log.trace(String.format(MESSAGE, "UPDATE " + id)); |
| |
| final NeutronSubnet subnet = readSubnet(input); |
| adminService.updateSubnet(subnet); |
| |
| ObjectNode result = this.mapper().createObjectNode(); |
| return ok(result.set(SUBNET, writeSubnet(subnet))).build(); |
| } |
| |
| /** |
| * Returns all subnets. |
| * |
| * @return 200 OK with set of subnets |
| */ |
| @GET |
| @Consumes(MediaType.APPLICATION_JSON) |
| @Produces(MediaType.APPLICATION_JSON) |
| public Response getSubnets() { |
| log.trace(String.format(MESSAGE, "GET")); |
| |
| Set<Subnet> subnets = adminService.subnets(); |
| ArrayNode arrayNodes = mapper().createArrayNode(); |
| subnets.stream().forEach(subnet -> { |
| arrayNodes.add(writeSubnet(subnet)); |
| }); |
| |
| ObjectNode result = this.mapper().createObjectNode(); |
| return ok(result.set(SUBNETS, arrayNodes)).build(); |
| } |
| |
| /** |
| * Returns the subnet with the given subnet id. |
| * |
| * @param id subnet id |
| * @return 200 OK with the subnet, 404 NOT_FOUND if the subnet does not exist |
| */ |
| @GET |
| @Path("{id}") |
| @Consumes(MediaType.APPLICATION_JSON) |
| @Produces(MediaType.APPLICATION_JSON) |
| public Response getSubnet(@PathParam("id") String id) { |
| log.trace(String.format(MESSAGE, "GET " + id)); |
| |
| Subnet subnet = adminService.subnet(SubnetId.of(id)); |
| if (subnet == null) { |
| return status(NOT_FOUND).build(); |
| } |
| |
| ObjectNode result = this.mapper().createObjectNode(); |
| return ok(result.set(SUBNET, writeSubnet(subnet))).build(); |
| } |
| |
| /** |
| * Removes the subnet. |
| * |
| * @param id subnet identifier |
| * @return 204 NO_CONTENT, 400 BAD_REQUEST if the subnet does not exist |
| */ |
| @DELETE |
| @Path("{id}") |
| @Consumes(MediaType.APPLICATION_JSON) |
| @Produces(MediaType.APPLICATION_JSON) |
| public Response deleteSubnet(@PathParam("id") String id) { |
| log.trace(String.format(MESSAGE, "DELETE " + id)); |
| |
| adminService.removeSubnet(SubnetId.of(id)); |
| return noContent().build(); |
| } |
| |
| private NeutronSubnet readSubnet(InputStream input) { |
| try { |
| JsonNode jsonTree = mapper().enable(INDENT_OUTPUT).readTree(input); |
| log.trace(mapper().writeValueAsString(jsonTree)); |
| return ObjectMapperSingleton.getContext(NeutronSubnet.class) |
| .readerFor(NeutronSubnet.class) |
| .readValue(jsonTree); |
| } catch (Exception e) { |
| throw new IllegalArgumentException(); |
| } |
| } |
| |
| private ObjectNode writeSubnet(Subnet subnet) { |
| try { |
| String strSubnet = ObjectMapperSingleton.getContext(NeutronSubnet.class) |
| .writerFor(NeutronSubnet.class) |
| .writeValueAsString(subnet); |
| log.trace(strSubnet); |
| return (ObjectNode) mapper().readTree(strSubnet.getBytes()); |
| } catch (Exception e) { |
| throw new IllegalStateException(); |
| } |
| } |
| } |