| /* |
| * Copyright 2018-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.k8snetworking.web; |
| |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import org.onlab.packet.IpAddress; |
| import org.onosproject.k8snetworking.api.DefaultK8sIpam; |
| import org.onosproject.k8snetworking.api.K8sIpam; |
| import org.onosproject.k8snetworking.api.K8sIpamAdminService; |
| import org.onosproject.k8snetworking.api.K8sNetwork; |
| import org.onosproject.k8snetworking.api.K8sNetworkService; |
| import org.onosproject.rest.AbstractWebResource; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import javax.ws.rs.DELETE; |
| import javax.ws.rs.GET; |
| import javax.ws.rs.Path; |
| import javax.ws.rs.PathParam; |
| import javax.ws.rs.Produces; |
| import javax.ws.rs.core.MediaType; |
| import javax.ws.rs.core.Response; |
| |
| import static org.onlab.util.Tools.nullIsNotFound; |
| |
| /** |
| * Handles IPAM related REST API call from CNI plugin. |
| */ |
| @Path("ipam") |
| public class K8sIpamWebResource extends AbstractWebResource { |
| |
| protected final Logger log = LoggerFactory.getLogger(getClass()); |
| |
| private static final String NETWORK_ID_NOT_FOUND = "Network Id is not found"; |
| private static final String IP_NOT_ALLOCATED = "IP address cannot be allocated"; |
| |
| private static final String IPAM = "ipam"; |
| |
| private final K8sNetworkService networkService = get(K8sNetworkService.class); |
| private final K8sIpamAdminService ipamService = get(K8sIpamAdminService.class); |
| |
| /** |
| * Requests for allocating a unique IP address of the given network ID. |
| * |
| * @param netId network identifier |
| * @return 200 OK with the serialized IPAM JSON string |
| * @onos.rsModel K8sIpam |
| */ |
| @GET |
| @Path("{netId}") |
| @Produces(MediaType.APPLICATION_JSON) |
| public Response allocateIp(@PathParam("netId") String netId) { |
| log.trace("Received IP allocation request of network " + netId); |
| |
| K8sNetwork network = |
| nullIsNotFound(networkService.network(netId), NETWORK_ID_NOT_FOUND); |
| |
| IpAddress ip = |
| nullIsNotFound(ipamService.allocateIp(network.networkId()), IP_NOT_ALLOCATED); |
| |
| ObjectNode root = mapper().createObjectNode(); |
| String ipamId = network.networkId() + "-" + ip.toString(); |
| K8sIpam ipam = new DefaultK8sIpam(ipamId, ip, network.networkId()); |
| root.set(IPAM, codec(K8sIpam.class).encode(ipam, this)); |
| |
| return ok(root).build(); |
| } |
| |
| /** |
| * Requests for releasing the given IP address. |
| * |
| * @param netId network identifier |
| * @param ip IP address |
| * @return 204 NO CONTENT |
| */ |
| @DELETE |
| @Path("{netId}/{ip}") |
| public Response releaseIp(@PathParam("netId") String netId, |
| @PathParam("ip") String ip) { |
| log.trace("Received IP release request of network " + netId); |
| |
| K8sNetwork network = |
| nullIsNotFound(networkService.network(netId), NETWORK_ID_NOT_FOUND); |
| |
| ipamService.releaseIp(network.networkId(), IpAddress.valueOf(ip)); |
| |
| return Response.noContent().build(); |
| } |
| } |