[ONOS-2753] add restfull service of router
Change-Id: I7764b05d0a43eeaa2fe868afb817ad94d4b8bc64
diff --git a/apps/vtn/vtnweb/src/main/java/org/onosproject/vtnweb/resources/RouterWebResource.java b/apps/vtn/vtnweb/src/main/java/org/onosproject/vtnweb/resources/RouterWebResource.java
new file mode 100644
index 0000000..8c2a2b3
--- /dev/null
+++ b/apps/vtn/vtnweb/src/main/java/org/onosproject/vtnweb/resources/RouterWebResource.java
@@ -0,0 +1,447 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.BAD_REQUEST;
+import static javax.ws.rs.core.Response.Status.CONFLICT;
+import static javax.ws.rs.core.Response.Status.CREATED;
+import static javax.ws.rs.core.Response.Status.NOT_FOUND;
+import static javax.ws.rs.core.Response.Status.NO_CONTENT;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.List;
+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.QueryParam;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+
+import org.onlab.packet.IpAddress;
+import org.onlab.util.ItemNotFoundException;
+import org.onosproject.rest.AbstractWebResource;
+import org.onosproject.vtnrsc.DefaultRouter;
+import org.onosproject.vtnrsc.FixedIp;
+import org.onosproject.vtnrsc.Router;
+import org.onosproject.vtnrsc.Router.Status;
+import org.onosproject.vtnrsc.RouterGateway;
+import org.onosproject.vtnrsc.RouterId;
+import org.onosproject.vtnrsc.RouterInterface;
+import org.onosproject.vtnrsc.SubnetId;
+import org.onosproject.vtnrsc.TenantId;
+import org.onosproject.vtnrsc.TenantNetworkId;
+import org.onosproject.vtnrsc.VirtualPortId;
+import org.onosproject.vtnrsc.router.RouterService;
+import org.onosproject.vtnrsc.routerinterface.RouterInterfaceService;
+import org.onosproject.vtnweb.web.RouterCodec;
+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("routers")
+public class RouterWebResource extends AbstractWebResource {
+ private final Logger log = LoggerFactory.getLogger(RouterWebResource.class);
+ public static final String CREATE_FAIL = "Router is failed to create!";
+ public static final String UPDATE_FAIL = "Router is failed to update!";
+ public static final String GET_FAIL = "Router is failed to get!";
+ public static final String NOT_EXIST = "Router does not exist!";
+ public static final String DELETE_SUCCESS = "Router delete success!";
+ public static final String JSON_NOT_NULL = "JsonNode can not be null";
+ public static final String INTFACR_ADD_SUCCESS = "Interface add success";
+ public static final String INTFACR_DEL_SUCCESS = "Interface delete success";
+
+ @GET
+ @Produces(MediaType.APPLICATION_JSON)
+ public Response listRouters() {
+ Collection<Router> routers = get(RouterService.class).getRouters();
+ ObjectNode result = new ObjectMapper().createObjectNode();
+ result.set("routers", new RouterCodec().encode(routers, this));
+ return ok(result.toString()).build();
+ }
+
+ @GET
+ @Path("{routerUUID}")
+ @Produces(MediaType.APPLICATION_JSON)
+ public Response getRouter(@PathParam("routerUUID") String id,
+ @QueryParam("fields") List<String> fields) {
+
+ if (!get(RouterService.class).exists(RouterId.valueOf(id))) {
+ return Response.status(NOT_FOUND)
+ .entity("The Router does not exists").build();
+ }
+ Router sub = nullIsNotFound(get(RouterService.class)
+ .getRouter(RouterId.valueOf(id)),
+ NOT_EXIST);
+
+ ObjectNode result = new ObjectMapper().createObjectNode();
+ if (fields.size() > 0) {
+ result.set("router",
+ new RouterCodec().extracFields(sub, this, fields));
+ } else {
+ result.set("router", new RouterCodec().encode(sub, this));
+ }
+ return ok(result.toString()).build();
+ }
+
+ @POST
+ @Produces(MediaType.APPLICATION_JSON)
+ @Consumes(MediaType.APPLICATION_JSON)
+ public Response createRouter(final InputStream input) {
+ try {
+ ObjectMapper mapper = new ObjectMapper();
+ JsonNode subnode = mapper.readTree(input);
+ Collection<Router> routers = createOrUpdateByInputStream(subnode);
+
+ Boolean result = nullIsNotFound((get(RouterService.class)
+ .createRouters(routers)),
+ CREATE_FAIL);
+ if (!result) {
+ return Response.status(CONFLICT).entity(CREATE_FAIL).build();
+ }
+ return Response.status(CREATED).entity(result.toString()).build();
+
+ } catch (Exception e) {
+ return Response.status(BAD_REQUEST).entity(e.getMessage()).build();
+ }
+ }
+
+ @PUT
+ @Path("{routerUUID}")
+ @Produces(MediaType.APPLICATION_JSON)
+ @Consumes(MediaType.APPLICATION_JSON)
+ public Response updateRouter(@PathParam("routerUUID") String id,
+ final InputStream input) {
+ try {
+ ObjectMapper mapper = new ObjectMapper();
+ JsonNode subnode = mapper.readTree(input);
+ Collection<Router> routers = createOrUpdateByInputStream(subnode);
+ Boolean result = nullIsNotFound(get(RouterService.class)
+ .updateRouters(routers), UPDATE_FAIL);
+ if (!result) {
+ return Response.status(CONFLICT).entity(UPDATE_FAIL).build();
+ }
+ return ok(result.toString()).build();
+ } catch (Exception e) {
+ return Response.status(BAD_REQUEST).entity(e.getMessage()).build();
+ }
+ }
+
+ @Path("{routerUUID}")
+ @DELETE
+ public Response deleteSingleRouter(@PathParam("routerUUID") String id)
+ throws IOException {
+ try {
+ RouterId routerId = RouterId.valueOf(id);
+ Set<RouterId> routerIds = Sets.newHashSet(routerId);
+ get(RouterService.class).removeRouters(routerIds);
+ return Response.status(NO_CONTENT).entity(DELETE_SUCCESS).build();
+ } catch (Exception e) {
+ return Response.status(BAD_REQUEST).entity(e.getMessage()).build();
+ }
+ }
+
+ @PUT
+ @Path("{routerUUID}/add_router_interface")
+ @Produces(MediaType.APPLICATION_JSON)
+ @Consumes(MediaType.APPLICATION_JSON)
+ public Response addRouterInterface(@PathParam("routerUUID") String id,
+ final InputStream input) {
+ if (!get(RouterService.class).exists(RouterId.valueOf(id))) {
+ return Response.status(NOT_FOUND).entity(NOT_EXIST).build();
+ }
+ try {
+ ObjectMapper mapper = new ObjectMapper();
+ JsonNode subnode = mapper.readTree(input);
+ if (!subnode.hasNonNull("id")) {
+ throw new IllegalArgumentException("id should not be null");
+ } else if (subnode.get("id").asText().isEmpty()) {
+ throw new IllegalArgumentException("id should not be empty");
+ }
+ RouterId routerId = RouterId.valueOf(id);
+ if (!subnode.hasNonNull("subnet_id")) {
+ throw new IllegalArgumentException("subnet_id should not be null");
+ } else if (subnode.get("subnet_id").asText().isEmpty()) {
+ throw new IllegalArgumentException("subnet_id should not be empty");
+ }
+ SubnetId subnetId = SubnetId.subnetId(subnode.get("subnet_id")
+ .asText());
+ if (!subnode.hasNonNull("tenant_id")) {
+ throw new IllegalArgumentException("tenant_id should not be null");
+ } else if (subnode.get("tenant_id").asText().isEmpty()) {
+ throw new IllegalArgumentException("tenant_id should not be empty");
+ }
+ TenantId tenentId = TenantId.tenantId(subnode.get("tenant_id")
+ .asText());
+ if (!subnode.hasNonNull("port_id")) {
+ throw new IllegalArgumentException("port_id should not be null");
+ } else if (subnode.get("port_id").asText().isEmpty()) {
+ throw new IllegalArgumentException("port_id should not be empty");
+ }
+ VirtualPortId portId = VirtualPortId.portId(subnode.get("port_id")
+ .asText());
+ RouterInterface routerInterface = RouterInterface
+ .routerInterface(subnetId, portId, routerId, tenentId);
+ get(RouterInterfaceService.class)
+ .addRouterInterface(routerInterface);
+ return ok(INTFACR_ADD_SUCCESS).build();
+ } catch (Exception e) {
+ return Response.status(BAD_REQUEST).entity(e.getMessage()).build();
+ }
+ }
+
+ @PUT
+ @Path("{routerUUID}/remove_router_interface")
+ @Produces(MediaType.APPLICATION_JSON)
+ @Consumes(MediaType.APPLICATION_JSON)
+ public Response removeRouterInterface(@PathParam("routerUUID") String id,
+ final InputStream input) {
+ if (!get(RouterService.class).exists(RouterId.valueOf(id))) {
+ return Response.status(NOT_FOUND).entity(NOT_EXIST).build();
+ }
+ try {
+ ObjectMapper mapper = new ObjectMapper();
+ JsonNode subnode = mapper.readTree(input);
+ if (!subnode.hasNonNull("id")) {
+ throw new IllegalArgumentException("id should not be null");
+ } else if (subnode.get("id").asText().isEmpty()) {
+ throw new IllegalArgumentException("id should not be empty");
+ }
+ RouterId routerId = RouterId.valueOf(id);
+ if (!subnode.hasNonNull("subnet_id")) {
+ throw new IllegalArgumentException("subnet_id should not be null");
+ } else if (subnode.get("subnet_id").asText().isEmpty()) {
+ throw new IllegalArgumentException("subnet_id should not be empty");
+ }
+ SubnetId subnetId = SubnetId.subnetId(subnode.get("subnet_id")
+ .asText());
+ if (!subnode.hasNonNull("port_id")) {
+ throw new IllegalArgumentException("port_id should not be null");
+ } else if (subnode.get("port_id").asText().isEmpty()) {
+ throw new IllegalArgumentException("port_id should not be empty");
+ }
+ VirtualPortId portId = VirtualPortId.portId(subnode.get("port_id")
+ .asText());
+ if (!subnode.hasNonNull("tenant_id")) {
+ throw new IllegalArgumentException("tenant_id should not be null");
+ } else if (subnode.get("tenant_id").asText().isEmpty()) {
+ throw new IllegalArgumentException("tenant_id should not be empty");
+ }
+ TenantId tenentId = TenantId.tenantId(subnode.get("tenant_id")
+ .asText());
+ RouterInterface routerInterface = RouterInterface
+ .routerInterface(subnetId, portId, routerId, tenentId);
+ get(RouterInterfaceService.class)
+ .removeRouterInterface(routerInterface);
+ return ok(INTFACR_DEL_SUCCESS).build();
+ } catch (Exception e) {
+ return Response.status(BAD_REQUEST).entity(e.getMessage()).build();
+ }
+ }
+
+ private Collection<Router> createOrUpdateByInputStream(JsonNode subnode)
+ throws Exception {
+ checkNotNull(subnode, JSON_NOT_NULL);
+ JsonNode routerNode = subnode.get("routers");
+ if (routerNode == null) {
+ routerNode = subnode.get("router");
+ }
+ log.debug("routerNode is {}", routerNode.toString());
+
+ if (routerNode.isArray()) {
+ throw new Exception("only singleton requests allowed");
+ } else {
+ return changeJsonToSub(routerNode);
+ }
+ }
+
+ /**
+ * Returns a collection of floatingIps from floatingIpNodes.
+ *
+ * @param routerNode the router json node
+ * @return routers a collection of router
+ * @throws Exception
+ */
+ public Collection<Router> changeJsonToSub(JsonNode routerNode)
+ throws Exception {
+ checkNotNull(routerNode, JSON_NOT_NULL);
+ Map<RouterId, Router> subMap = new HashMap<RouterId, Router>();
+ if (!routerNode.hasNonNull("id")) {
+ new IllegalArgumentException("id should not be null");
+ } else if (routerNode.get("id").asText().isEmpty()) {
+ throw new IllegalArgumentException("id should not be empty");
+ }
+ RouterId id = RouterId.valueOf(routerNode.get("id").asText());
+
+ if (!routerNode.hasNonNull("tenant_id")) {
+ throw new IllegalArgumentException("tenant_id should not be null");
+ } else if (routerNode.get("tenant_id").asText().isEmpty()) {
+ throw new IllegalArgumentException("tenant_id should not be empty");
+ }
+ TenantId tenantId = TenantId.tenantId(routerNode.get("tenant_id")
+ .asText());
+
+ VirtualPortId gwPortId = null;
+ if (routerNode.hasNonNull("gw_port_id")) {
+ gwPortId = VirtualPortId.portId(routerNode.get("gw_port_id")
+ .asText());
+ }
+
+ if (!routerNode.hasNonNull("status")) {
+ throw new IllegalArgumentException("status should not be null");
+ } else if (routerNode.get("status").asText().isEmpty()) {
+ throw new IllegalArgumentException("status should not be empty");
+ }
+ Status status = Status.valueOf(routerNode.get("status").asText());
+
+ String routerName = null;
+ if (routerNode.hasNonNull("name")) {
+ routerName = routerNode.get("name").asText();
+ }
+
+ boolean adminStateUp = true;
+ checkArgument(routerNode.get("admin_state_up").isBoolean(),
+ "admin_state_up should be boolean");
+ if (routerNode.hasNonNull("admin_state_up")) {
+ adminStateUp = routerNode.get("admin_state_up").asBoolean();
+ }
+ boolean distributed = false;
+ if (routerNode.hasNonNull("distributed")) {
+ distributed = routerNode.get("distributed").asBoolean();
+ }
+ RouterGateway gateway = null;
+ if (routerNode.hasNonNull("external_gateway_info")) {
+ gateway = jsonNodeToGateway(routerNode.get("external_gateway_info"));
+ }
+ List<String> routes = new ArrayList<String>();
+ DefaultRouter routerObj = new DefaultRouter(id, routerName,
+ adminStateUp, status,
+ distributed, gateway,
+ gwPortId, tenantId, routes);
+ subMap.put(id, routerObj);
+ return Collections.unmodifiableCollection(subMap.values());
+ }
+
+ /**
+ * Changes JsonNode Gateway to the Gateway.
+ *
+ * @param gateway the gateway JsonNode
+ * @return gateway
+ */
+ private RouterGateway jsonNodeToGateway(JsonNode gateway) {
+ checkNotNull(gateway, JSON_NOT_NULL);
+ if (!gateway.hasNonNull("network_id")) {
+ throw new IllegalArgumentException("network_id should not be null");
+ } else if (gateway.get("network_id").asText().isEmpty()) {
+ throw new IllegalArgumentException("network_id should not be empty");
+ }
+ TenantNetworkId networkId = TenantNetworkId.networkId(gateway
+ .get("network_id").asText());
+
+ if (!gateway.hasNonNull("enable_snat")) {
+ throw new IllegalArgumentException("enable_snat should not be null");
+ } else if (gateway.get("enable_snat").asText().isEmpty()) {
+ throw new IllegalArgumentException("enable_snat should not be empty");
+ }
+ checkArgument(gateway.get("enable_snat").isBoolean(),
+ "enable_snat should be boolean");
+ boolean enableSnat = gateway.get("enable_snat").asBoolean();
+
+ if (!gateway.hasNonNull("external_fixed_ips")) {
+ throw new IllegalArgumentException(
+ "external_fixed_ips should not be null");
+ } else if (gateway.get("external_fixed_ips").isNull()) {
+ throw new IllegalArgumentException(
+ "external_fixed_ips should not be empty");
+ }
+ Collection<FixedIp> fixedIpList = jsonNodeToFixedIp(gateway
+ .get("external_fixed_ips"));
+ RouterGateway gatewayObj = RouterGateway.routerGateway(networkId,
+ enableSnat,
+ fixedIpList);
+ return gatewayObj;
+ }
+
+ /**
+ * Changes JsonNode fixedIp to a collection of the fixedIp.
+ *
+ * @param fixedIp the allocationPools JsonNode
+ * @return a collection of fixedIp
+ */
+ private Collection<FixedIp> jsonNodeToFixedIp(JsonNode fixedIp) {
+ checkNotNull(fixedIp, JSON_NOT_NULL);
+ ConcurrentMap<Integer, FixedIp> fixedIpMaps = Maps.newConcurrentMap();
+ Integer i = 0;
+ for (JsonNode node : fixedIp) {
+ if (!node.hasNonNull("subnet_id")) {
+ throw new IllegalArgumentException("subnet_id should not be null");
+ } else if (node.get("subnet_id").asText().isEmpty()) {
+ throw new IllegalArgumentException("subnet_id should not be empty");
+ }
+ SubnetId subnetId = SubnetId.subnetId(node.get("subnet_id")
+ .asText());
+ if (!node.hasNonNull("ip_address")) {
+ throw new IllegalArgumentException("ip_address should not be null");
+ } else if (node.get("ip_address").asText().isEmpty()) {
+ throw new IllegalArgumentException("ip_address should not be empty");
+ }
+ IpAddress ipAddress = IpAddress.valueOf(node.get("ip_address")
+ .asText());
+ FixedIp fixedIpObj = FixedIp.fixedIp(subnetId, ipAddress);
+
+ fixedIpMaps.putIfAbsent(i, fixedIpObj);
+ i++;
+ }
+ return Collections.unmodifiableCollection(fixedIpMaps.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;
+ }
+}
diff --git a/apps/vtn/vtnweb/src/main/java/org/onosproject/vtnweb/web/RouterCodec.java b/apps/vtn/vtnweb/src/main/java/org/onosproject/vtnweb/web/RouterCodec.java
new file mode 100644
index 0000000..61f7e95
--- /dev/null
+++ b/apps/vtn/vtnweb/src/main/java/org/onosproject/vtnweb/web/RouterCodec.java
@@ -0,0 +1,91 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.web;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import java.util.Iterator;
+import java.util.List;
+
+import org.onosproject.codec.CodecContext;
+import org.onosproject.codec.JsonCodec;
+import org.onosproject.vtnrsc.Router;
+
+import com.fasterxml.jackson.databind.node.ObjectNode;
+
+/**
+ * Router JSON codec.
+ */
+public class RouterCodec extends JsonCodec<Router> {
+ @Override
+ public ObjectNode encode(Router router, CodecContext context) {
+ checkNotNull(router, "router cannot be null");
+ ObjectNode result = context
+ .mapper()
+ .createObjectNode()
+ .put("id", router.id().routerId())
+ .put("status", router.status().toString())
+ .put("name", router.name().toString())
+ .put("admin_state_up", router.adminStateUp())
+ .put("tenant_id", router.tenantId().toString())
+ .put("routes",
+ router.routes() == null ? null : router.routes()
+ .toString());
+ result.set("external_gateway_info",
+ router.externalGatewayInfo() == null ? null
+ : new RouterGatewayInfoCodec()
+ .encode(router.externalGatewayInfo(), context));
+
+ return result;
+ }
+
+ public ObjectNode extracFields(Router router, CodecContext context,
+ List<String> fields) {
+ checkNotNull(router, "router cannot be null");
+ ObjectNode result = context.mapper().createObjectNode();
+ Iterator<String> i = fields.iterator();
+ while (i.hasNext()) {
+ String s = i.next();
+ if (s.equals("id")) {
+ result.put("id", router.id().routerId());
+ }
+ if (s.equals("status")) {
+ result.put("status", router.status().toString());
+ }
+ if (s.equals("name")) {
+ result.put("name", router.name().toString());
+ }
+ if (s.equals("admin_state_up")) {
+ result.put("admin_state_up", router.adminStateUp());
+ }
+ if (s.equals("tenant_id")) {
+ result.put("tenant_id", router.tenantId().toString());
+ }
+ if (s.equals("routes")) {
+ result.put("routes", router.routes() == null ? null : router
+ .routes().toString());
+ }
+ if (s.equals("external_gateway_info")) {
+ result.set("external_gateway_info",
+ router.externalGatewayInfo() == null ? null
+ : new RouterGatewayInfoCodec()
+ .encode(router.externalGatewayInfo(),
+ context));
+ }
+ }
+ return result;
+ }
+}
diff --git a/apps/vtn/vtnweb/src/main/java/org/onosproject/vtnweb/web/RouterGatewayInfoCodec.java b/apps/vtn/vtnweb/src/main/java/org/onosproject/vtnweb/web/RouterGatewayInfoCodec.java
new file mode 100644
index 0000000..cb9fb67
--- /dev/null
+++ b/apps/vtn/vtnweb/src/main/java/org/onosproject/vtnweb/web/RouterGatewayInfoCodec.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.web;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import org.onosproject.codec.CodecContext;
+import org.onosproject.codec.JsonCodec;
+import org.onosproject.vtnrsc.RouterGateway;
+
+import com.fasterxml.jackson.databind.node.ObjectNode;
+
+/**
+ * Subnet Router Gateway Info codec.
+ */
+public class RouterGatewayInfoCodec extends JsonCodec<RouterGateway> {
+ @Override
+ public ObjectNode encode(RouterGateway routerGateway, CodecContext context) {
+ checkNotNull(routerGateway, "routerGateway cannot be null");
+ ObjectNode result = context.mapper().createObjectNode()
+ .put("network_id", routerGateway.networkId().toString());
+ result.set("external_fixed_ips", new FixedIpCodec()
+ .encode(routerGateway.externalFixedIps(), context));
+ return result;
+ }
+}