Madan Jampani | 38a8821 | 2015-09-15 11:21:27 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.vtnweb.resources; |
| 17 | |
| 18 | import static com.google.common.base.Preconditions.checkArgument; |
| 19 | import static com.google.common.base.Preconditions.checkNotNull; |
| 20 | import static javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR; |
lishuai | 0f47f34 | 2015-09-16 11:38:48 +0800 | [diff] [blame] | 21 | import static javax.ws.rs.core.Response.Status.NOT_FOUND; |
Madan Jampani | 38a8821 | 2015-09-15 11:21:27 -0700 | [diff] [blame] | 22 | |
| 23 | import java.io.IOException; |
| 24 | import java.io.InputStream; |
| 25 | import java.util.Collections; |
| 26 | import java.util.HashMap; |
| 27 | import java.util.HashSet; |
| 28 | import java.util.Map; |
| 29 | import java.util.Set; |
| 30 | import java.util.concurrent.ConcurrentMap; |
| 31 | |
| 32 | import javax.ws.rs.Consumes; |
| 33 | import javax.ws.rs.DELETE; |
| 34 | import javax.ws.rs.GET; |
| 35 | import javax.ws.rs.POST; |
| 36 | import javax.ws.rs.PUT; |
| 37 | import javax.ws.rs.Path; |
| 38 | import javax.ws.rs.PathParam; |
| 39 | import javax.ws.rs.Produces; |
| 40 | import javax.ws.rs.core.MediaType; |
| 41 | import javax.ws.rs.core.Response; |
| 42 | |
| 43 | import org.onlab.packet.IpAddress; |
| 44 | import org.onlab.packet.IpAddress.Version; |
| 45 | import org.onlab.packet.IpPrefix; |
| 46 | import org.onlab.util.ItemNotFoundException; |
| 47 | import org.onosproject.rest.AbstractWebResource; |
| 48 | import org.onosproject.vtnrsc.AllocationPool; |
| 49 | import org.onosproject.vtnrsc.DefaultAllocationPool; |
| 50 | import org.onosproject.vtnrsc.DefaultHostRoute; |
| 51 | import org.onosproject.vtnrsc.DefaultSubnet; |
| 52 | import org.onosproject.vtnrsc.HostRoute; |
| 53 | import org.onosproject.vtnrsc.Subnet; |
| 54 | import org.onosproject.vtnrsc.SubnetId; |
| 55 | import org.onosproject.vtnrsc.TenantId; |
| 56 | import org.onosproject.vtnrsc.TenantNetworkId; |
| 57 | import org.onosproject.vtnrsc.Subnet.Mode; |
| 58 | import org.onosproject.vtnrsc.subnet.SubnetService; |
| 59 | import org.onosproject.vtnrsc.web.SubnetCodec; |
| 60 | import org.slf4j.Logger; |
| 61 | import org.slf4j.LoggerFactory; |
| 62 | |
| 63 | import com.fasterxml.jackson.databind.JsonNode; |
| 64 | import com.fasterxml.jackson.databind.ObjectMapper; |
| 65 | import com.fasterxml.jackson.databind.node.ObjectNode; |
| 66 | import com.google.common.collect.Maps; |
| 67 | import com.google.common.collect.Sets; |
| 68 | |
| 69 | @Path("subnets") |
| 70 | public class SubnetWebResource extends AbstractWebResource { |
| 71 | private final Logger log = LoggerFactory.getLogger(SubnetWebResource.class); |
| 72 | public static final String SUBNET_NOT_CREATE = "Subnets is failed to create!"; |
bobzhou | e528c11 | 2015-09-30 13:56:14 +0800 | [diff] [blame^] | 73 | public static final String SUBNET_NOT_FOUND = "Subnets is not found"; |
Madan Jampani | 38a8821 | 2015-09-15 11:21:27 -0700 | [diff] [blame] | 74 | public static final String JSON_NOT_NULL = "JsonNode can not be null"; |
| 75 | |
| 76 | @GET |
| 77 | @Produces(MediaType.APPLICATION_JSON) |
| 78 | public Response listSubnets() { |
| 79 | Iterable<Subnet> subnets = get(SubnetService.class).getSubnets(); |
| 80 | ObjectNode result = new ObjectMapper().createObjectNode(); |
| 81 | result.set("subnets", new SubnetCodec().encode(subnets, this)); |
| 82 | return ok(result.toString()).build(); |
| 83 | } |
| 84 | |
| 85 | @GET |
| 86 | @Path("{subnetUUID}") |
| 87 | @Produces(MediaType.APPLICATION_JSON) |
| 88 | public Response getSubnet(@PathParam("subnetUUID") String id) { |
| 89 | |
| 90 | if (!get(SubnetService.class).exists(SubnetId.subnetId(id))) { |
lishuai | 0f47f34 | 2015-09-16 11:38:48 +0800 | [diff] [blame] | 91 | return Response.status(NOT_FOUND) |
| 92 | .entity(SUBNET_NOT_FOUND).build(); |
Madan Jampani | 38a8821 | 2015-09-15 11:21:27 -0700 | [diff] [blame] | 93 | } |
| 94 | Subnet sub = nullIsNotFound(get(SubnetService.class) |
| 95 | .getSubnet(SubnetId.subnetId(id)), |
| 96 | SUBNET_NOT_FOUND); |
| 97 | |
| 98 | ObjectNode result = new ObjectMapper().createObjectNode(); |
| 99 | result.set("subnet", new SubnetCodec().encode(sub, this)); |
| 100 | return ok(result.toString()).build(); |
| 101 | } |
| 102 | |
| 103 | @POST |
| 104 | @Produces(MediaType.APPLICATION_JSON) |
| 105 | @Consumes(MediaType.APPLICATION_JSON) |
| 106 | public Response createSubnet(final InputStream input) { |
| 107 | |
| 108 | try { |
| 109 | ObjectMapper mapper = new ObjectMapper(); |
| 110 | JsonNode subnode = mapper.readTree(input); |
| 111 | Iterable<Subnet> subnets = createOrUpdateByInputStream(subnode); |
| 112 | Boolean result = nullIsNotFound((get(SubnetService.class) |
| 113 | .createSubnets(subnets)), |
| 114 | SUBNET_NOT_CREATE); |
| 115 | |
| 116 | if (!result) { |
lishuai | 0f47f34 | 2015-09-16 11:38:48 +0800 | [diff] [blame] | 117 | return Response.status(INTERNAL_SERVER_ERROR) |
| 118 | .entity(SUBNET_NOT_CREATE).build(); |
Madan Jampani | 38a8821 | 2015-09-15 11:21:27 -0700 | [diff] [blame] | 119 | } |
| 120 | return Response.status(202).entity(result.toString()).build(); |
| 121 | } catch (Exception e) { |
| 122 | return Response.status(INTERNAL_SERVER_ERROR).entity(e.toString()) |
| 123 | .build(); |
| 124 | } |
| 125 | } |
| 126 | |
| 127 | @PUT |
| 128 | @Path("{subnetUUID}") |
| 129 | @Produces(MediaType.APPLICATION_JSON) |
| 130 | @Consumes(MediaType.APPLICATION_JSON) |
| 131 | public Response updateSubnet(@PathParam("id") String id, |
| 132 | final InputStream input) { |
| 133 | try { |
| 134 | ObjectMapper mapper = new ObjectMapper(); |
| 135 | JsonNode subnode = mapper.readTree(input); |
| 136 | Iterable<Subnet> subnets = createOrUpdateByInputStream(subnode); |
| 137 | Boolean result = nullIsNotFound(get(SubnetService.class) |
| 138 | .updateSubnets(subnets), SUBNET_NOT_FOUND); |
| 139 | if (!result) { |
lishuai | 0f47f34 | 2015-09-16 11:38:48 +0800 | [diff] [blame] | 140 | return Response.status(INTERNAL_SERVER_ERROR) |
| 141 | .entity(SUBNET_NOT_FOUND).build(); |
Madan Jampani | 38a8821 | 2015-09-15 11:21:27 -0700 | [diff] [blame] | 142 | } |
| 143 | return Response.status(203).entity(result.toString()).build(); |
| 144 | } catch (Exception e) { |
| 145 | return Response.status(INTERNAL_SERVER_ERROR).entity(e.toString()) |
| 146 | .build(); |
| 147 | } |
| 148 | } |
| 149 | |
| 150 | @Path("{subnetUUID}") |
| 151 | @DELETE |
| 152 | public Response deleteSingleSubnet(@PathParam("subnetUUID") String id) |
| 153 | throws IOException { |
| 154 | try { |
| 155 | SubnetId subId = SubnetId.subnetId(id); |
| 156 | Set<SubnetId> subIds = new HashSet<>(); |
| 157 | subIds.add(subId); |
| 158 | get(SubnetService.class).removeSubnets(subIds); |
| 159 | return Response.status(201).entity("SUCCESS").build(); |
| 160 | } catch (Exception e) { |
| 161 | return Response.status(INTERNAL_SERVER_ERROR).entity(e.toString()) |
| 162 | .build(); |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | private Iterable<Subnet> createOrUpdateByInputStream(JsonNode subnode) { |
| 167 | checkNotNull(subnode, JSON_NOT_NULL); |
| 168 | Iterable<Subnet> subnets = null; |
| 169 | JsonNode subnetNodes = subnode.get("subnets"); |
| 170 | if (subnetNodes == null) { |
| 171 | subnetNodes = subnode.get("subnet"); |
| 172 | } |
| 173 | log.debug("subnetNodes is {}", subnetNodes.toString()); |
| 174 | if (subnetNodes.isArray()) { |
| 175 | subnets = changeJsonToSubs(subnetNodes); |
| 176 | } else { |
| 177 | subnets = changeJsonToSub(subnetNodes); |
| 178 | } |
| 179 | return subnets; |
| 180 | } |
| 181 | |
| 182 | /** |
| 183 | * Returns a collection of subnets from subnetNodes. |
| 184 | * |
| 185 | * @param subnetNodes the subnet json node |
| 186 | * @return subnets a collection of subnets |
| 187 | */ |
| 188 | public Iterable<Subnet> changeJsonToSubs(JsonNode subnetNodes) { |
| 189 | checkNotNull(subnetNodes, JSON_NOT_NULL); |
| 190 | Map<SubnetId, Subnet> subMap = new HashMap<>(); |
| 191 | for (JsonNode subnetNode : subnetNodes) { |
| 192 | if (!subnetNode.hasNonNull("id")) { |
| 193 | return null; |
| 194 | } |
| 195 | SubnetId id = SubnetId.subnetId(subnetNode.get("id").asText()); |
| 196 | String subnetName = subnetNode.get("name").asText(); |
| 197 | TenantId tenantId = TenantId |
| 198 | .tenantId(subnetNode.get("tenant_id").asText()); |
| 199 | TenantNetworkId networkId = TenantNetworkId |
| 200 | .networkId(subnetNode.get("network_id").asText()); |
lishuai | 0f47f34 | 2015-09-16 11:38:48 +0800 | [diff] [blame] | 201 | String version = subnetNode.get("ip_version").asText(); |
| 202 | Version ipVersion; |
| 203 | switch (version) { |
| 204 | case "4": |
| 205 | ipVersion = Version.INET; |
| 206 | break; |
| 207 | case "6": |
| 208 | ipVersion = Version.INET; |
| 209 | break; |
| 210 | default: |
| 211 | throw new IllegalArgumentException("ipVersion should be 4 or 6."); |
| 212 | } |
Madan Jampani | 38a8821 | 2015-09-15 11:21:27 -0700 | [diff] [blame] | 213 | IpPrefix cidr = IpPrefix.valueOf(subnetNode.get("cidr").asText()); |
| 214 | IpAddress gatewayIp = IpAddress |
| 215 | .valueOf(subnetNode.get("gateway_ip").asText()); |
| 216 | Boolean dhcpEnabled = subnetNode.get("enable_dhcp").asBoolean(); |
| 217 | Boolean shared = subnetNode.get("shared").asBoolean(); |
| 218 | JsonNode hostRoutes = subnetNode.get("host_routes"); |
| 219 | Iterable<HostRoute> hostRoutesIt = jsonNodeToHostRoutes(hostRoutes); |
| 220 | JsonNode allocationPools = subnetNode.get("allocation_pools"); |
| 221 | Iterable<AllocationPool> allocationPoolsIt = jsonNodeToAllocationPools(allocationPools); |
| 222 | Mode ipV6AddressMode = Mode |
| 223 | .valueOf(subnetNode.get("ipv6_address_mode").asText()); |
| 224 | Mode ipV6RaMode = Mode |
| 225 | .valueOf(subnetNode.get("ipv6_ra_mode").asText()); |
| 226 | Subnet subnet = new DefaultSubnet(id, subnetName, networkId, |
| 227 | tenantId, ipVersion, cidr, |
| 228 | gatewayIp, dhcpEnabled, shared, |
| 229 | Sets.newHashSet(hostRoutesIt), ipV6AddressMode, |
| 230 | ipV6RaMode, Sets.newHashSet(allocationPoolsIt)); |
| 231 | subMap.put(id, subnet); |
| 232 | } |
| 233 | return Collections.unmodifiableCollection(subMap.values()); |
| 234 | } |
| 235 | |
| 236 | /** |
| 237 | * Returns a collection of subnets from subnetNodes. |
| 238 | * |
| 239 | * @param subnetNodes the subnet json node |
| 240 | * @return subnets a collection of subnets |
| 241 | */ |
| 242 | public Iterable<Subnet> changeJsonToSub(JsonNode subnetNodes) { |
| 243 | checkNotNull(subnetNodes, JSON_NOT_NULL); |
| 244 | checkArgument(subnetNodes.get("enable_dhcp").isBoolean(), "enable_dhcp should be boolean"); |
| 245 | checkArgument(subnetNodes.get("shared").isBoolean(), "shared should be boolean"); |
| 246 | Map<SubnetId, Subnet> subMap = new HashMap<>(); |
| 247 | if (!subnetNodes.hasNonNull("id")) { |
| 248 | return null; |
| 249 | } |
| 250 | SubnetId id = SubnetId.subnetId(subnetNodes.get("id").asText()); |
| 251 | String subnetName = subnetNodes.get("name").asText(); |
| 252 | TenantId tenantId = TenantId |
| 253 | .tenantId(subnetNodes.get("tenant_id").asText()); |
| 254 | TenantNetworkId networkId = TenantNetworkId |
| 255 | .networkId(subnetNodes.get("network_id").asText()); |
| 256 | String version = subnetNodes.get("ip_version").asText(); |
| 257 | Version ipVersion; |
| 258 | switch (version) { |
| 259 | case "4": |
| 260 | ipVersion = Version.INET; |
| 261 | break; |
| 262 | case "6": |
| 263 | ipVersion = Version.INET; |
| 264 | break; |
| 265 | default: |
| 266 | throw new IllegalArgumentException("ipVersion should be 4 or 6."); |
| 267 | } |
| 268 | |
| 269 | IpPrefix cidr = IpPrefix.valueOf(subnetNodes.get("cidr").asText()); |
| 270 | IpAddress gatewayIp = IpAddress |
| 271 | .valueOf(subnetNodes.get("gateway_ip").asText()); |
| 272 | Boolean dhcpEnabled = subnetNodes.get("enable_dhcp").asBoolean(); |
| 273 | Boolean shared = subnetNodes.get("shared").asBoolean(); |
| 274 | JsonNode hostRoutes = subnetNodes.get("host_routes"); |
| 275 | Iterable<HostRoute> hostRoutesIt = jsonNodeToHostRoutes(hostRoutes); |
| 276 | JsonNode allocationPools = subnetNodes.get("allocation_pools"); |
| 277 | Iterable<AllocationPool> allocationPoolsIt = jsonNodeToAllocationPools(allocationPools); |
| 278 | |
| 279 | Mode ipV6AddressMode = getMode(subnetNodes.get("ipv6_address_mode") |
| 280 | .asText()); |
| 281 | Mode ipV6RaMode = getMode(subnetNodes.get("ipv6_ra_mode").asText()); |
| 282 | |
| 283 | Subnet subnet = new DefaultSubnet(id, subnetName, networkId, tenantId, |
| 284 | ipVersion, cidr, gatewayIp, |
| 285 | dhcpEnabled, shared, Sets.newHashSet(hostRoutesIt), |
| 286 | ipV6AddressMode, ipV6RaMode, |
| 287 | Sets.newHashSet(allocationPoolsIt)); |
| 288 | subMap.put(id, subnet); |
| 289 | return Collections.unmodifiableCollection(subMap.values()); |
| 290 | } |
| 291 | |
| 292 | /** |
| 293 | * Gets ipv6_address_mode or ipv6_ra_mode type. |
| 294 | * |
| 295 | * @param mode the String value in JsonNode |
| 296 | * @return ipV6Mode Mode of the ipV6Mode |
| 297 | */ |
| 298 | private Mode getMode(String mode) { |
| 299 | Mode ipV6Mode; |
| 300 | if (mode == null) { |
| 301 | return null; |
| 302 | } |
| 303 | switch (mode) { |
| 304 | case "dhcpv6-stateful": |
| 305 | ipV6Mode = Mode.DHCPV6_STATEFUL; |
| 306 | break; |
| 307 | case "dhcpv6-stateless": |
| 308 | ipV6Mode = Mode.DHCPV6_STATELESS; |
| 309 | break; |
| 310 | case "slaac": |
| 311 | ipV6Mode = Mode.SLAAC; |
| 312 | break; |
| 313 | default: |
| 314 | ipV6Mode = null; |
| 315 | } |
| 316 | return ipV6Mode; |
| 317 | } |
| 318 | |
| 319 | /** |
| 320 | * Changes JsonNode alocPools to a collection of the alocPools. |
| 321 | * |
| 322 | * @param allocationPools the allocationPools JsonNode |
| 323 | * @return a collection of allocationPools |
| 324 | */ |
| 325 | public Iterable<AllocationPool> jsonNodeToAllocationPools(JsonNode allocationPools) { |
| 326 | checkNotNull(allocationPools, JSON_NOT_NULL); |
| 327 | ConcurrentMap<Integer, AllocationPool> alocplMaps = Maps |
| 328 | .newConcurrentMap(); |
| 329 | Integer i = 0; |
| 330 | for (JsonNode node : allocationPools) { |
| 331 | IpAddress startIp = IpAddress.valueOf(node.get("start").asText()); |
| 332 | IpAddress endIp = IpAddress.valueOf(node.get("end").asText()); |
| 333 | AllocationPool alocPls = new DefaultAllocationPool(startIp, endIp); |
| 334 | alocplMaps.putIfAbsent(i, alocPls); |
| 335 | i++; |
| 336 | } |
| 337 | return Collections.unmodifiableCollection(alocplMaps.values()); |
| 338 | } |
| 339 | |
| 340 | /** |
| 341 | * Changes hostRoutes JsonNode to a collection of the hostRoutes. |
| 342 | * |
| 343 | * @param hostRoutes the hostRoutes json node |
| 344 | * @return a collection of hostRoutes |
| 345 | */ |
| 346 | public Iterable<HostRoute> jsonNodeToHostRoutes(JsonNode hostRoutes) { |
| 347 | checkNotNull(hostRoutes, JSON_NOT_NULL); |
| 348 | ConcurrentMap<Integer, HostRoute> hostRouteMaps = Maps |
| 349 | .newConcurrentMap(); |
| 350 | Integer i = 0; |
| 351 | for (JsonNode node : hostRoutes) { |
| 352 | IpAddress nexthop = IpAddress.valueOf(node.get("nexthop").asText()); |
| 353 | IpPrefix destination = IpPrefix.valueOf(node.get("destination") |
| 354 | .asText()); |
| 355 | HostRoute hostRoute = new DefaultHostRoute(nexthop, destination); |
| 356 | hostRouteMaps.putIfAbsent(i, hostRoute); |
| 357 | i++; |
| 358 | } |
| 359 | return Collections.unmodifiableCollection(hostRouteMaps.values()); |
| 360 | } |
| 361 | |
| 362 | /** |
| 363 | * Returns the specified item if that items is null; otherwise throws not |
| 364 | * found exception. |
| 365 | * |
| 366 | * @param item item to check |
| 367 | * @param <T> item type |
| 368 | * @param message not found message |
| 369 | * @return item if not null |
| 370 | * @throws org.onlab.util.ItemNotFoundException if item is null |
| 371 | */ |
| 372 | protected <T> T nullIsNotFound(T item, String message) { |
| 373 | if (item == null) { |
| 374 | throw new ItemNotFoundException(message); |
| 375 | } |
| 376 | return item; |
| 377 | } |
| 378 | |
| 379 | } |