| /* |
| * Copyright 2016-present Open Networking Foundation |
| * |
| * 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.rest.resources; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import org.onlab.util.ItemNotFoundException; |
| import org.onosproject.incubator.net.virtual.TenantId; |
| import org.onosproject.incubator.net.virtual.VirtualNetworkAdminService; |
| import org.onosproject.rest.AbstractWebResource; |
| |
| import javax.ws.rs.Consumes; |
| import javax.ws.rs.DELETE; |
| import javax.ws.rs.GET; |
| import javax.ws.rs.POST; |
| 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.IOException; |
| import java.io.InputStream; |
| |
| import static org.onlab.util.Tools.readTreeFromStream; |
| |
| /** |
| * Query and manage tenants of virtual networks. |
| */ |
| @Path("tenants") |
| public class TenantWebResource extends AbstractWebResource { |
| |
| private static final String MISSING_TENANTID = "Missing tenant identifier"; |
| private static final String TENANTID_NOT_FOUND = "Tenant identifier not found"; |
| private static final String INVALID_TENANTID = "Invalid tenant identifier "; |
| |
| @Context |
| private UriInfo uriInfo; |
| |
| private final VirtualNetworkAdminService vnetAdminService = get(VirtualNetworkAdminService.class); |
| |
| /** |
| * Returns all tenant identifiers. |
| * |
| * @return 200 OK with set of tenant identifiers |
| * @onos.rsModel TenantIds |
| */ |
| @GET |
| @Produces(MediaType.APPLICATION_JSON) |
| public Response getVirtualNetworkTenantIds() { |
| Iterable<TenantId> tenantIds = vnetAdminService.getTenantIds(); |
| return ok(encodeArray(TenantId.class, "tenants", tenantIds)).build(); |
| } |
| |
| /** |
| * Creates a tenant with the given tenant identifier. |
| * |
| * @param stream TenantId JSON stream |
| * @return status of the request - CREATED if the JSON is correct, |
| * BAD_REQUEST if the JSON is invalid |
| * @onos.rsModel TenantId |
| */ |
| @POST |
| @Consumes(MediaType.APPLICATION_JSON) |
| @Produces(MediaType.APPLICATION_JSON) |
| public Response addTenantId(InputStream stream) { |
| try { |
| final TenantId tid = getTenantIdFromJsonStream(stream); |
| vnetAdminService.registerTenantId(tid); |
| final TenantId resultTid = getExistingTenantId(vnetAdminService, tid); |
| UriBuilder locationBuilder = uriInfo.getBaseUriBuilder() |
| .path("tenants") |
| .path(resultTid.id()); |
| return Response |
| .created(locationBuilder.build()) |
| .build(); |
| } catch (IOException e) { |
| throw new IllegalArgumentException(e); |
| } |
| } |
| |
| /** |
| * Removes the specified tenant with the specified tenant identifier. |
| * |
| * @param tenantId tenant identifier |
| * @return 204 NO CONTENT |
| */ |
| @DELETE |
| @Path("{tenantId}") |
| public Response removeTenantId(@PathParam("tenantId") String tenantId) { |
| final TenantId tid = TenantId.tenantId(tenantId); |
| final TenantId existingTid = getExistingTenantId(vnetAdminService, tid); |
| vnetAdminService.unregisterTenantId(existingTid); |
| return Response.noContent().build(); |
| } |
| |
| /** |
| * Gets the tenant identifier from the JSON stream. |
| * |
| * @param stream TenantId JSON stream |
| * @return TenantId |
| * @throws IOException if unable to parse the request |
| */ |
| private TenantId getTenantIdFromJsonStream(InputStream stream) throws IOException { |
| ObjectNode jsonTree = readTreeFromStream(mapper(), stream); |
| JsonNode specifiedTenantId = jsonTree.get("id"); |
| |
| if (specifiedTenantId == null) { |
| throw new IllegalArgumentException(MISSING_TENANTID); |
| } |
| return TenantId.tenantId(specifiedTenantId.asText()); |
| } |
| |
| /** |
| * Get the matching tenant identifier from existing tenant identifiers in system. |
| * |
| * @param vnetAdminSvc virtual network administration service |
| * @param tidIn tenant identifier |
| * @return TenantId |
| */ |
| protected static TenantId getExistingTenantId(VirtualNetworkAdminService vnetAdminSvc, |
| TenantId tidIn) { |
| return vnetAdminSvc |
| .getTenantIds() |
| .stream() |
| .filter(tenantId -> tenantId.equals(tidIn)) |
| .findFirst() |
| .orElseThrow(() -> new ItemNotFoundException(TENANTID_NOT_FOUND)); |
| } |
| } |