| /* |
| * Copyright 2015-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.vtnweb.resources; |
| |
| import static com.google.common.base.Preconditions.checkArgument; |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR; |
| import static javax.ws.rs.core.Response.Status.NOT_FOUND; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.concurrent.ConcurrentMap; |
| |
| 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.MediaType; |
| import javax.ws.rs.core.Response; |
| |
| import org.onlab.packet.IpAddress; |
| import org.onlab.packet.IpAddress.Version; |
| import org.onlab.packet.IpPrefix; |
| import org.onlab.util.ItemNotFoundException; |
| import org.onosproject.rest.AbstractWebResource; |
| import org.onosproject.vtnrsc.AllocationPool; |
| import org.onosproject.vtnrsc.DefaultAllocationPool; |
| import org.onosproject.vtnrsc.DefaultHostRoute; |
| import org.onosproject.vtnrsc.DefaultSubnet; |
| import org.onosproject.vtnrsc.HostRoute; |
| import org.onosproject.vtnrsc.Subnet; |
| import org.onosproject.vtnrsc.SubnetId; |
| import org.onosproject.vtnrsc.TenantId; |
| import org.onosproject.vtnrsc.TenantNetworkId; |
| import org.onosproject.vtnrsc.Subnet.Mode; |
| import org.onosproject.vtnrsc.subnet.SubnetService; |
| import org.onosproject.vtnweb.web.SubnetCodec; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.ObjectMapper; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import com.google.common.collect.Maps; |
| import com.google.common.collect.Sets; |
| |
| @Path("subnets") |
| public class SubnetWebResource extends AbstractWebResource { |
| private final Logger log = LoggerFactory.getLogger(SubnetWebResource.class); |
| public static final String SUBNET_NOT_CREATED = "Subnet failed to create!"; |
| public static final String SUBNET_NOT_FOUND = "Subnet is not found"; |
| public static final String JSON_NOT_NULL = "JsonNode can not be null"; |
| |
| @GET |
| @Produces(MediaType.APPLICATION_JSON) |
| @Consumes(MediaType.APPLICATION_JSON) |
| public Response listSubnets() { |
| Iterable<Subnet> subnets = get(SubnetService.class).getSubnets(); |
| ObjectNode result = new ObjectMapper().createObjectNode(); |
| result.set("subnets", new SubnetCodec().encode(subnets, this)); |
| return ok(result.toString()).build(); |
| } |
| |
| @GET |
| @Path("{subnetUUID}") |
| @Produces(MediaType.APPLICATION_JSON) |
| @Consumes(MediaType.APPLICATION_JSON) |
| public Response getSubnet(@PathParam("subnetUUID") String id) { |
| |
| if (!get(SubnetService.class).exists(SubnetId.subnetId(id))) { |
| return Response.status(NOT_FOUND) |
| .entity(SUBNET_NOT_FOUND).build(); |
| } |
| Subnet sub = nullIsNotFound(get(SubnetService.class) |
| .getSubnet(SubnetId.subnetId(id)), |
| SUBNET_NOT_FOUND); |
| |
| ObjectNode result = new ObjectMapper().createObjectNode(); |
| result.set("subnet", new SubnetCodec().encode(sub, this)); |
| return ok(result.toString()).build(); |
| } |
| |
| @POST |
| @Produces(MediaType.APPLICATION_JSON) |
| @Consumes(MediaType.APPLICATION_JSON) |
| public Response createSubnet(final InputStream input) { |
| |
| try { |
| ObjectMapper mapper = new ObjectMapper(); |
| JsonNode subnode = mapper.readTree(input); |
| Iterable<Subnet> subnets = createOrUpdateByInputStream(subnode); |
| Boolean result = nullIsNotFound((get(SubnetService.class) |
| .createSubnets(subnets)), |
| SUBNET_NOT_CREATED); |
| |
| if (!result) { |
| return Response.status(INTERNAL_SERVER_ERROR) |
| .entity(SUBNET_NOT_CREATED).build(); |
| } |
| return Response.status(202).entity(result.toString()).build(); |
| } catch (Exception e) { |
| return Response.status(INTERNAL_SERVER_ERROR).entity(e.toString()) |
| .build(); |
| } |
| } |
| |
| @PUT |
| @Path("{subnetUUID}") |
| @Produces(MediaType.APPLICATION_JSON) |
| @Consumes(MediaType.APPLICATION_JSON) |
| public Response updateSubnet(@PathParam("id") String id, |
| final InputStream input) { |
| try { |
| ObjectMapper mapper = new ObjectMapper(); |
| JsonNode subnode = mapper.readTree(input); |
| Iterable<Subnet> subnets = createOrUpdateByInputStream(subnode); |
| Boolean result = nullIsNotFound(get(SubnetService.class) |
| .updateSubnets(subnets), SUBNET_NOT_FOUND); |
| if (!result) { |
| return Response.status(INTERNAL_SERVER_ERROR) |
| .entity(SUBNET_NOT_FOUND).build(); |
| } |
| return Response.status(203).entity(result.toString()).build(); |
| } catch (Exception e) { |
| return Response.status(INTERNAL_SERVER_ERROR).entity(e.toString()) |
| .build(); |
| } |
| } |
| |
| @DELETE |
| @Path("{subnetUUID}") |
| @Consumes(MediaType.APPLICATION_JSON) |
| @Produces(MediaType.APPLICATION_JSON) |
| public Response deleteSingleSubnet(@PathParam("subnetUUID") String id) |
| throws IOException { |
| try { |
| SubnetId subId = SubnetId.subnetId(id); |
| Set<SubnetId> subIds = new HashSet<>(); |
| subIds.add(subId); |
| get(SubnetService.class).removeSubnets(subIds); |
| return Response.noContent().entity("SUCCESS").build(); |
| } catch (Exception e) { |
| return Response.status(INTERNAL_SERVER_ERROR).entity(e.toString()) |
| .build(); |
| } |
| } |
| |
| private Iterable<Subnet> createOrUpdateByInputStream(JsonNode subnode) { |
| checkNotNull(subnode, JSON_NOT_NULL); |
| Iterable<Subnet> subnets = null; |
| JsonNode subnetNodes = subnode.get("subnets"); |
| if (subnetNodes == null) { |
| subnetNodes = subnode.get("subnet"); |
| } |
| log.debug("subnetNodes is {}", subnetNodes.toString()); |
| if (subnetNodes.isArray()) { |
| subnets = changeJsonToSubs(subnetNodes); |
| } else { |
| subnets = changeJsonToSub(subnetNodes); |
| } |
| return subnets; |
| } |
| |
| /** |
| * Returns a collection of subnets from subnetNodes. |
| * |
| * @param subnetNodes the subnet json node |
| * @return subnets a collection of subnets |
| */ |
| public Iterable<Subnet> changeJsonToSubs(JsonNode subnetNodes) { |
| checkNotNull(subnetNodes, JSON_NOT_NULL); |
| Map<SubnetId, Subnet> subMap = new HashMap<>(); |
| for (JsonNode subnetNode : subnetNodes) { |
| if (!subnetNode.hasNonNull("id")) { |
| return null; |
| } |
| SubnetId id = SubnetId.subnetId(subnetNode.get("id").asText()); |
| String subnetName = subnetNode.get("name").asText(); |
| TenantId tenantId = TenantId |
| .tenantId(subnetNode.get("tenant_id").asText()); |
| TenantNetworkId networkId = TenantNetworkId |
| .networkId(subnetNode.get("network_id").asText()); |
| String version = subnetNode.get("ip_version").asText(); |
| Version ipVersion; |
| switch (version) { |
| case "4": |
| ipVersion = Version.INET; |
| break; |
| case "6": |
| ipVersion = Version.INET; |
| break; |
| default: |
| throw new IllegalArgumentException("ipVersion should be 4 or 6."); |
| } |
| IpPrefix cidr = IpPrefix.valueOf(subnetNode.get("cidr").asText()); |
| IpAddress gatewayIp = IpAddress |
| .valueOf(subnetNode.get("gateway_ip").asText()); |
| Boolean dhcpEnabled = subnetNode.get("enable_dhcp").asBoolean(); |
| Boolean shared = subnetNode.get("shared").asBoolean(); |
| JsonNode hostRoutes = subnetNode.get("host_routes"); |
| Iterable<HostRoute> hostRoutesIt = jsonNodeToHostRoutes(hostRoutes); |
| JsonNode allocationPools = subnetNode.get("allocation_pools"); |
| Iterable<AllocationPool> allocationPoolsIt = jsonNodeToAllocationPools(allocationPools); |
| Mode ipV6AddressMode = Mode |
| .valueOf(subnetNode.get("ipv6_address_mode").asText()); |
| Mode ipV6RaMode = Mode |
| .valueOf(subnetNode.get("ipv6_ra_mode").asText()); |
| Subnet subnet = new DefaultSubnet(id, subnetName, networkId, |
| tenantId, ipVersion, cidr, |
| gatewayIp, dhcpEnabled, shared, |
| Sets.newHashSet(hostRoutesIt), ipV6AddressMode, |
| ipV6RaMode, Sets.newHashSet(allocationPoolsIt)); |
| subMap.put(id, subnet); |
| } |
| return Collections.unmodifiableCollection(subMap.values()); |
| } |
| |
| /** |
| * Returns a collection of subnets from subnetNodes. |
| * |
| * @param subnetNodes the subnet json node |
| * @return subnets a collection of subnets |
| */ |
| public Iterable<Subnet> changeJsonToSub(JsonNode subnetNodes) { |
| checkNotNull(subnetNodes, JSON_NOT_NULL); |
| checkArgument(subnetNodes.get("enable_dhcp").isBoolean(), "enable_dhcp should be boolean"); |
| checkArgument(subnetNodes.get("shared").isBoolean(), "shared should be boolean"); |
| Map<SubnetId, Subnet> subMap = new HashMap<>(); |
| if (!subnetNodes.hasNonNull("id")) { |
| return null; |
| } |
| SubnetId id = SubnetId.subnetId(subnetNodes.get("id").asText()); |
| String subnetName = subnetNodes.get("name").asText(); |
| TenantId tenantId = TenantId |
| .tenantId(subnetNodes.get("tenant_id").asText()); |
| TenantNetworkId networkId = TenantNetworkId |
| .networkId(subnetNodes.get("network_id").asText()); |
| String version = subnetNodes.get("ip_version").asText(); |
| Version ipVersion; |
| switch (version) { |
| case "4": |
| ipVersion = Version.INET; |
| break; |
| case "6": |
| ipVersion = Version.INET; |
| break; |
| default: |
| throw new IllegalArgumentException("ipVersion should be 4 or 6."); |
| } |
| |
| IpPrefix cidr = IpPrefix.valueOf(subnetNodes.get("cidr").asText()); |
| IpAddress gatewayIp = IpAddress |
| .valueOf(subnetNodes.get("gateway_ip").asText()); |
| Boolean dhcpEnabled = subnetNodes.get("enable_dhcp").asBoolean(); |
| Boolean shared = subnetNodes.get("shared").asBoolean(); |
| JsonNode hostRoutes = subnetNodes.get("host_routes"); |
| Iterable<HostRoute> hostRoutesIt = jsonNodeToHostRoutes(hostRoutes); |
| JsonNode allocationPools = subnetNodes.get("allocation_pools"); |
| Iterable<AllocationPool> allocationPoolsIt = jsonNodeToAllocationPools(allocationPools); |
| |
| Mode ipV6AddressMode = getMode(subnetNodes.get("ipv6_address_mode") |
| .asText()); |
| Mode ipV6RaMode = getMode(subnetNodes.get("ipv6_ra_mode").asText()); |
| |
| Subnet subnet = new DefaultSubnet(id, subnetName, networkId, tenantId, |
| ipVersion, cidr, gatewayIp, |
| dhcpEnabled, shared, Sets.newHashSet(hostRoutesIt), |
| ipV6AddressMode, ipV6RaMode, |
| Sets.newHashSet(allocationPoolsIt)); |
| subMap.put(id, subnet); |
| return Collections.unmodifiableCollection(subMap.values()); |
| } |
| |
| /** |
| * Gets ipv6_address_mode or ipv6_ra_mode type. |
| * |
| * @param mode the String value in JsonNode |
| * @return ipV6Mode Mode of the ipV6Mode |
| */ |
| private Mode getMode(String mode) { |
| Mode ipV6Mode; |
| if (mode == null) { |
| return null; |
| } |
| switch (mode) { |
| case "dhcpv6-stateful": |
| ipV6Mode = Mode.DHCPV6_STATEFUL; |
| break; |
| case "dhcpv6-stateless": |
| ipV6Mode = Mode.DHCPV6_STATELESS; |
| break; |
| case "slaac": |
| ipV6Mode = Mode.SLAAC; |
| break; |
| default: |
| ipV6Mode = null; |
| } |
| return ipV6Mode; |
| } |
| |
| /** |
| * Changes JsonNode alocPools to a collection of the alocPools. |
| * |
| * @param allocationPools the allocationPools JsonNode |
| * @return a collection of allocationPools |
| */ |
| public Iterable<AllocationPool> jsonNodeToAllocationPools(JsonNode allocationPools) { |
| checkNotNull(allocationPools, JSON_NOT_NULL); |
| ConcurrentMap<Integer, AllocationPool> alocplMaps = Maps |
| .newConcurrentMap(); |
| Integer i = 0; |
| for (JsonNode node : allocationPools) { |
| IpAddress startIp = IpAddress.valueOf(node.get("start").asText()); |
| IpAddress endIp = IpAddress.valueOf(node.get("end").asText()); |
| AllocationPool alocPls = new DefaultAllocationPool(startIp, endIp); |
| alocplMaps.putIfAbsent(i, alocPls); |
| i++; |
| } |
| return Collections.unmodifiableCollection(alocplMaps.values()); |
| } |
| |
| /** |
| * Changes hostRoutes JsonNode to a collection of the hostRoutes. |
| * |
| * @param hostRoutes the hostRoutes json node |
| * @return a collection of hostRoutes |
| */ |
| public Iterable<HostRoute> jsonNodeToHostRoutes(JsonNode hostRoutes) { |
| checkNotNull(hostRoutes, JSON_NOT_NULL); |
| ConcurrentMap<Integer, HostRoute> hostRouteMaps = Maps |
| .newConcurrentMap(); |
| Integer i = 0; |
| for (JsonNode node : hostRoutes) { |
| IpAddress nexthop = IpAddress.valueOf(node.get("nexthop").asText()); |
| IpPrefix destination = IpPrefix.valueOf(node.get("destination") |
| .asText()); |
| HostRoute hostRoute = new DefaultHostRoute(nexthop, destination); |
| hostRouteMaps.putIfAbsent(i, hostRoute); |
| i++; |
| } |
| return Collections.unmodifiableCollection(hostRouteMaps.values()); |
| } |
| |
| /** |
| * Returns the specified item if that items is null; otherwise throws not |
| * found exception. |
| * |
| * @param item item to check |
| * @param <T> item type |
| * @param message not found message |
| * @return item if not null |
| * @throws org.onlab.util.ItemNotFoundException if item is null |
| */ |
| protected <T> T nullIsNotFound(T item, String message) { |
| if (item == null) { |
| throw new ItemNotFoundException(message); |
| } |
| return item; |
| } |
| |
| } |