CNlucius | 5b2fff1 | 2015-08-20 14:13:46 +0800 | [diff] [blame^] | 1 | /*
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| 2 | * Copyright 2015 Open Networking Laboratory
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| 3 | *
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| 4 | * Licensed under the Apache License, Version 2.0 (the "License");
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| 5 | * you may not use this file except in compliance with the License.
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| 6 | * You may obtain a copy of the License at
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| 7 | *
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| 8 | * http://www.apache.org/licenses/LICENSE-2.0
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| 9 | *
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| 10 | * Unless required by applicable law or agreed to in writing, software
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| 11 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 13 | * See the License for the specific language governing permissions and
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| 14 | * limitations under the License.
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| 15 | */
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| 16 | package org.onosproject.vtnweb.resources;
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| 17 |
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| 18 | import static com.google.common.base.Preconditions.checkNotNull;
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| 19 | import static javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR;
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| 20 |
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| 21 | import java.io.IOException;
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| 22 | import java.io.InputStream;
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| 23 | import java.util.Collections;
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| 24 | import java.util.HashMap;
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| 25 | import java.util.HashSet;
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| 26 | import java.util.Map;
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| 27 | import java.util.Set;
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| 28 | import java.util.concurrent.ConcurrentMap;
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| 29 |
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| 30 | import javax.ws.rs.Consumes;
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| 31 | import javax.ws.rs.DELETE;
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| 32 | import javax.ws.rs.GET;
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| 33 | import javax.ws.rs.POST;
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| 34 | import javax.ws.rs.PUT;
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| 35 | import javax.ws.rs.Path;
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| 36 | import javax.ws.rs.PathParam;
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| 37 | import javax.ws.rs.Produces;
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| 38 | import javax.ws.rs.core.MediaType;
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| 39 | import javax.ws.rs.core.Response;
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| 40 |
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| 41 | import org.onlab.packet.IpAddress;
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| 42 | import org.onlab.packet.IpAddress.Version;
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| 43 | import org.onlab.packet.IpPrefix;
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| 44 | import org.onlab.util.ItemNotFoundException;
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| 45 | import org.onosproject.rest.AbstractWebResource;
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| 46 | import org.onosproject.vtnrsc.AllocationPool;
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| 47 | import org.onosproject.vtnrsc.DefaultAllocationPool;
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| 48 | import org.onosproject.vtnrsc.DefaultHostRoute;
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| 49 | import org.onosproject.vtnrsc.DefaultSubnet;
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| 50 | import org.onosproject.vtnrsc.HostRoute;
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| 51 | import org.onosproject.vtnrsc.Subnet;
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| 52 | import org.onosproject.vtnrsc.SubnetId;
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| 53 | import org.onosproject.vtnrsc.TenantId;
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| 54 | import org.onosproject.vtnrsc.TenantNetworkId;
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| 55 | import org.onosproject.vtnrsc.Subnet.Mode;
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| 56 | import org.onosproject.vtnrsc.subnet.SubnetService;
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| 57 | import org.onosproject.vtnrsc.web.SubnetCodec;
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| 58 | import org.slf4j.Logger;
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| 59 | import org.slf4j.LoggerFactory;
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| 60 |
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| 61 | import com.fasterxml.jackson.databind.JsonNode;
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| 62 | import com.fasterxml.jackson.databind.ObjectMapper;
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| 63 | import com.fasterxml.jackson.databind.node.ObjectNode;
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| 64 | import com.google.common.collect.Maps;
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| 65 |
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| 66 | @Path("subnets")
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| 67 | public class SubnetWebResource extends AbstractWebResource {
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| 68 | private final Logger log = LoggerFactory.getLogger(SubnetWebResource.class);
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| 69 | public static final String SUBNET_NOT_CREATE = "Subnets is failed to create!";
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| 70 | public static final String SUBNET_NOT_FOUND = "Subnets is failed to update!";
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| 71 | public static final String JSON_NOT_NULL = "JsonNode can not be null";
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| 72 |
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| 73 | @GET
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| 74 | @Produces(MediaType.APPLICATION_JSON)
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| 75 | public Response listSubnets() {
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| 76 | Iterable<Subnet> subnets = get(SubnetService.class).getSubnets();
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| 77 | ObjectNode result = new ObjectMapper().createObjectNode();
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| 78 | result.set("subnets", new SubnetCodec().encode(subnets, this));
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| 79 | return ok(result.toString()).build();
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| 80 | }
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| 81 |
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| 82 | @GET
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| 83 | @Path("{subnetUUID}")
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| 84 | @Produces(MediaType.APPLICATION_JSON)
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| 85 | public Response getSubnet(@PathParam("subnetUUID") String id) {
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| 86 |
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| 87 | if (!get(SubnetService.class).exists(SubnetId.subnetId(id))) {
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| 88 | return ok("The subnet does not exists").build();
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| 89 | }
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| 90 | Subnet sub = nullIsNotFound(get(SubnetService.class)
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| 91 | .getSubnet(SubnetId.subnetId(id)),
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| 92 | SUBNET_NOT_FOUND);
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| 93 |
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| 94 | ObjectNode result = new ObjectMapper().createObjectNode();
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| 95 | result.set("subnet", new SubnetCodec().encode(sub, this));
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| 96 | return ok(result.toString()).build();
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| 97 | }
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| 98 |
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| 99 | @POST
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| 100 | @Produces(MediaType.APPLICATION_JSON)
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| 101 | @Consumes(MediaType.APPLICATION_JSON)
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| 102 | public Response createSubnet(final InputStream input) {
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| 103 |
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| 104 | try {
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| 105 | ObjectMapper mapper = new ObjectMapper();
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| 106 | JsonNode subnode = mapper.readTree(input);
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| 107 | Iterable<Subnet> subnets = createOrUpdateByInputStream(subnode);
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| 108 | Boolean result = nullIsNotFound((get(SubnetService.class)
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| 109 | .createSubnets(subnets)),
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| 110 | SUBNET_NOT_CREATE);
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| 111 |
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| 112 | if (!result) {
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| 113 | return Response.status(204).entity(SUBNET_NOT_CREATE).build();
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| 114 | }
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| 115 | return Response.status(202).entity(result.toString()).build();
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| 116 | } catch (Exception e) {
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| 117 | return Response.status(INTERNAL_SERVER_ERROR).entity(e.toString())
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| 118 | .build();
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| 119 | }
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| 120 | }
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| 121 |
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| 122 | @PUT
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| 123 | @Path("{subnetUUID}")
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| 124 | @Produces(MediaType.APPLICATION_JSON)
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| 125 | @Consumes(MediaType.APPLICATION_JSON)
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| 126 | public Response updateSubnet(@PathParam("id") String id,
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| 127 | final InputStream input) {
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| 128 | try {
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| 129 | ObjectMapper mapper = new ObjectMapper();
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| 130 | JsonNode subnode = mapper.readTree(input);
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| 131 | Iterable<Subnet> subnets = createOrUpdateByInputStream(subnode);
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| 132 | Boolean result = nullIsNotFound(get(SubnetService.class)
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| 133 | .updateSubnets(subnets), SUBNET_NOT_FOUND);
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| 134 | if (!result) {
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| 135 | return Response.status(204).entity(SUBNET_NOT_FOUND).build();
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| 136 | }
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| 137 | return Response.status(203).entity(result.toString()).build();
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| 138 | } catch (Exception e) {
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| 139 | return Response.status(INTERNAL_SERVER_ERROR).entity(e.toString())
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| 140 | .build();
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| 141 | }
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| 142 | }
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| 143 |
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| 144 | @Path("{subnetUUID}")
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| 145 | @DELETE
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| 146 | public Response deleteSingleSubnet(@PathParam("subnetUUID") String id)
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| 147 | throws IOException {
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| 148 | try {
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| 149 | SubnetId subId = SubnetId.subnetId(id);
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| 150 | Set<SubnetId> subIds = new HashSet<SubnetId>();
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| 151 | subIds.add(subId);
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| 152 | get(SubnetService.class).removeSubnets(subIds);
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| 153 | return Response.status(201).entity("SUCCESS").build();
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| 154 | } catch (Exception e) {
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| 155 | return Response.status(INTERNAL_SERVER_ERROR).entity(e.toString())
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| 156 | .build();
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| 157 | }
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| 158 | }
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| 159 |
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| 160 | private Iterable<Subnet> createOrUpdateByInputStream(JsonNode subnode) {
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| 161 | checkNotNull(subnode, JSON_NOT_NULL);
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| 162 | Iterable<Subnet> subnets = null;
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| 163 | JsonNode subnetNodes = subnode.get("subnets");
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| 164 | if (subnetNodes == null) {
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| 165 | subnetNodes = subnode.get("subnet");
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| 166 | }
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| 167 | log.debug("subnetNodes is {}", subnetNodes.toString());
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| 168 | if (subnetNodes.isArray()) {
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| 169 | subnets = changeJsonToSubs(subnetNodes);
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| 170 | } else {
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| 171 | subnets = changeJsonToSub(subnetNodes);
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| 172 | }
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| 173 | return subnets;
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| 174 | }
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| 175 |
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| 176 | /**
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| 177 | * Returns a collection of subnets from subnetNodes.
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| 178 | *
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| 179 | * @param subnetNodes the subnet json node
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| 180 | * @return subnets a collection of subnets
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| 181 | */
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| 182 | public Iterable<Subnet> changeJsonToSubs(JsonNode subnetNodes) {
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| 183 | checkNotNull(subnetNodes, JSON_NOT_NULL);
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| 184 | Map<SubnetId, Subnet> subMap = new HashMap<SubnetId, Subnet>();
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| 185 | for (JsonNode subnetNode : subnetNodes) {
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| 186 | if (!subnetNode.hasNonNull("id")) {
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| 187 | return null;
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| 188 | }
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| 189 | SubnetId id = SubnetId.subnetId(subnetNode.get("id").asText());
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| 190 | String subnetName = subnetNode.get("name").asText();
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| 191 | TenantId tenantId = TenantId
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| 192 | .tenantId(subnetNode.get("tenant_id").asText());
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| 193 | TenantNetworkId networkId = TenantNetworkId
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| 194 | .networkId(subnetNode.get("network_id").asText());
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| 195 | Version ipVersion = Version
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| 196 | .valueOf(subnetNode.get("ip_version").asText());
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| 197 | IpPrefix cidr = IpPrefix.valueOf(subnetNode.get("cidr").asText());
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| 198 | IpAddress gatewayIp = IpAddress
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| 199 | .valueOf(subnetNode.get("gateway_ip").asText());
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| 200 | Boolean dhcpEnabled = subnetNode.get("enable_dhcp").asBoolean();
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| 201 | Boolean shared = subnetNode.get("shared").asBoolean();
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| 202 | JsonNode hostRoutes = subnetNode.get("host_routes");
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| 203 | Iterable<HostRoute> hostRoutesIt = jsonNodeToHostRoutes(hostRoutes);
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| 204 | JsonNode allocationPools = subnetNode.get("allocation_pools");
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| 205 | Iterable<AllocationPool> allocationPoolsIt = jsonNodeToAllocationPools(allocationPools);
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| 206 | Mode ipV6AddressMode = Mode
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| 207 | .valueOf(subnetNode.get("ipv6_address_mode").asText());
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| 208 | Mode ipV6RaMode = Mode
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| 209 | .valueOf(subnetNode.get("ipv6_ra_mode").asText());
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| 210 | Subnet subnet = new DefaultSubnet(id, subnetName, networkId,
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| 211 | tenantId, ipVersion, cidr,
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| 212 | gatewayIp, dhcpEnabled, shared,
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| 213 | hostRoutesIt, ipV6AddressMode,
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| 214 | ipV6RaMode, allocationPoolsIt);
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| 215 | subMap.put(id, subnet);
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| 216 | }
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| 217 | return Collections.unmodifiableCollection(subMap.values());
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| 218 | }
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| 219 |
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| 220 | /**
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| 221 | * Returns a collection of subnets from subnetNodes.
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| 222 | *
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| 223 | * @param subnetNodes the subnet json node
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| 224 | * @return subnets a collection of subnets
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| 225 | */
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| 226 | public Iterable<Subnet> changeJsonToSub(JsonNode subnetNodes) {
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| 227 | checkNotNull(subnetNodes, JSON_NOT_NULL);
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| 228 | Map<SubnetId, Subnet> subMap = new HashMap<SubnetId, Subnet>();
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| 229 | if (!subnetNodes.hasNonNull("id")) {
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| 230 | return null;
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| 231 | }
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| 232 | SubnetId id = SubnetId.subnetId(subnetNodes.get("id").asText());
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| 233 | String subnetName = subnetNodes.get("name").asText();
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| 234 | TenantId tenantId = TenantId
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| 235 | .tenantId(subnetNodes.get("tenant_id").asText());
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| 236 | TenantNetworkId networkId = TenantNetworkId
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| 237 | .networkId(subnetNodes.get("network_id").asText());
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| 238 | String version = subnetNodes.get("ip_version").asText();
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| 239 | Version ipVersion;
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| 240 | switch (version) {
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| 241 | case "4":
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| 242 | ipVersion = Version.INET;
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| 243 | break;
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| 244 | case "6":
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| 245 | ipVersion = Version.INET;
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| 246 | break;
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| 247 | default:
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| 248 | ipVersion = null;
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| 249 | }
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| 250 |
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| 251 | IpPrefix cidr = IpPrefix.valueOf(subnetNodes.get("cidr").asText());
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| 252 | IpAddress gatewayIp = IpAddress
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| 253 | .valueOf(subnetNodes.get("gateway_ip").asText());
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| 254 | Boolean dhcpEnabled = subnetNodes.get("enable_dhcp").asBoolean();
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| 255 | Boolean shared = subnetNodes.get("shared").asBoolean();
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| 256 | JsonNode hostRoutes = subnetNodes.get("host_routes");
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| 257 | Iterable<HostRoute> hostRoutesIt = jsonNodeToHostRoutes(hostRoutes);
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| 258 | JsonNode allocationPools = subnetNodes.get("allocation_pools");
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| 259 | Iterable<AllocationPool> allocationPoolsIt = jsonNodeToAllocationPools(allocationPools);
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| 260 |
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| 261 | Mode ipV6AddressMode = getMode(subnetNodes.get("ipv6_address_mode")
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| 262 | .asText());
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| 263 | Mode ipV6RaMode = getMode(subnetNodes.get("ipv6_ra_mode").asText());
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| 264 |
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| 265 | Subnet subnet = new DefaultSubnet(id, subnetName, networkId, tenantId,
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| 266 | ipVersion, cidr, gatewayIp,
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| 267 | dhcpEnabled, shared, hostRoutesIt,
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| 268 | ipV6AddressMode, ipV6RaMode,
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| 269 | allocationPoolsIt);
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| 270 | subMap.put(id, subnet);
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| 271 | return Collections.unmodifiableCollection(subMap.values());
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| 272 | }
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| 273 |
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| 274 | /**
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| 275 | * Gets ipv6_address_mode or ipv6_ra_mode type.
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| 276 | *
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| 277 | * @param mode the String value in JsonNode
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| 278 | * @return ipV6Mode Mode of the ipV6Mode
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| 279 | */
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| 280 | private Mode getMode(String mode) {
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| 281 | Mode ipV6Mode;
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| 282 | if (mode == null) {
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| 283 | return null;
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| 284 | }
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| 285 | switch (mode) {
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| 286 | case "dhcpv6-stateful":
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| 287 | ipV6Mode = Mode.DHCPV6_STATEFUL;
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| 288 | break;
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| 289 | case "dhcpv6-stateless":
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| 290 | ipV6Mode = Mode.DHCPV6_STATELESS;
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| 291 | break;
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| 292 | case "slaac":
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| 293 | ipV6Mode = Mode.SLAAC;
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| 294 | break;
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| 295 | default:
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| 296 | ipV6Mode = null;
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| 297 | }
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| 298 | return ipV6Mode;
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| 299 | }
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| 300 |
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| 301 | /**
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| 302 | * Changes JsonNode alocPools to a collection of the alocPools.
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| 303 | *
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| 304 | * @param allocationPools the allocationPools JsonNode
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| 305 | * @return a collection of allocationPools
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| 306 | */
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| 307 | public Iterable<AllocationPool> jsonNodeToAllocationPools(JsonNode allocationPools) {
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| 308 | checkNotNull(allocationPools, JSON_NOT_NULL);
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| 309 | ConcurrentMap<Integer, AllocationPool> alocplMaps = Maps
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| 310 | .newConcurrentMap();
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| 311 | Integer i = 0;
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| 312 | for (JsonNode node : allocationPools) {
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| 313 | IpAddress startIp = IpAddress.valueOf(node.get("start").asText());
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| 314 | IpAddress endIp = IpAddress.valueOf(node.get("end").asText());
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| 315 | AllocationPool alocPls = new DefaultAllocationPool(startIp, endIp);
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| 316 | alocplMaps.putIfAbsent(i, alocPls);
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| 317 | i++;
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| 318 | }
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| 319 | return Collections.unmodifiableCollection(alocplMaps.values());
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| 320 | }
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| 321 |
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| 322 | /**
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| 323 | * Changes hostRoutes JsonNode to a collection of the hostRoutes.
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| 324 | *
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| 325 | * @param hostRoutes the hostRoutes json node
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| 326 | * @return a collection of hostRoutes
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| 327 | */
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| 328 | public Iterable<HostRoute> jsonNodeToHostRoutes(JsonNode hostRoutes) {
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| 329 | checkNotNull(hostRoutes, JSON_NOT_NULL);
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| 330 | ConcurrentMap<Integer, HostRoute> hostRouteMaps = Maps
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| 331 | .newConcurrentMap();
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| 332 | Integer i = 0;
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| 333 | for (JsonNode node : hostRoutes) {
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| 334 | IpAddress nexthop = IpAddress.valueOf(node.get("nexthop").asText());
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| 335 | IpPrefix destination = IpPrefix.valueOf(node.get("destination")
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| 336 | .asText());
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| 337 | HostRoute hostRoute = new DefaultHostRoute(nexthop, destination);
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| 338 | hostRouteMaps.putIfAbsent(i, hostRoute);
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| 339 | i++;
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| 340 | }
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| 341 | return Collections.unmodifiableCollection(hostRouteMaps.values());
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| 342 | }
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| 343 |
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| 344 | /**
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| 345 | * Returns the specified item if that items is null; otherwise throws not
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| 346 | * found exception.
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| 347 | *
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| 348 | * @param item item to check
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| 349 | * @param <T> item type
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| 350 | * @param message not found message
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| 351 | * @return item if not null
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| 352 | * @throws org.onlab.util.ItemNotFoundException if item is null
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| 353 | */
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| 354 | protected <T> T nullIsNotFound(T item, String message) {
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| 355 | if (item == null) {
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| 356 | throw new ItemNotFoundException(message);
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| 357 | }
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| 358 | return item;
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| 359 | }
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| 360 |
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| 361 | }
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