Initial implementation of k8s networking REST API with unit tests
Change-Id: Ifb11204edb3c1e75b26810c0b104423941b0801d
diff --git a/apps/k8s-networking/app/src/main/java/org/onosproject/k8snetworking/web/K8sNetworkWebResource.java b/apps/k8s-networking/app/src/main/java/org/onosproject/k8snetworking/web/K8sNetworkWebResource.java
new file mode 100644
index 0000000..f582e4b
--- /dev/null
+++ b/apps/k8s-networking/app/src/main/java/org/onosproject/k8snetworking/web/K8sNetworkWebResource.java
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+/*
+ * Copyright 2019-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.JsonNode;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.onosproject.k8snetworking.api.K8sNetwork;
+import org.onosproject.k8snetworking.api.K8sNetworkAdminService;
+import org.onosproject.rest.AbstractWebResource;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import javax.ws.rs.Consumes;
+import javax.ws.rs.DELETE;
+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 java.io.IOException;
+import java.io.InputStream;
+import java.net.URI;
+import java.net.URISyntaxException;
+
+import static org.onlab.util.Tools.readTreeFromStream;
+
+/**
+ * Handles REST API call from CNI plugin.
+ */
+@Path("network")
+public class K8sNetworkWebResource extends AbstractWebResource {
+
+ protected final Logger log = LoggerFactory.getLogger(getClass());
+
+ private static final String MESSAGE = "Received network %s request";
+ private static final String NETWORK_INVALID = "Invalid networkId in network update request";
+
+ private final K8sNetworkAdminService adminService = get(K8sNetworkAdminService.class);
+
+ /**
+ * Creates a network from the JSON input stream.
+ *
+ * @param input network JSON input stream
+ * @return 201 CREATED if the JSON is correct, 400 BAD_REQUEST if the JSON
+ * is invalid or duplicated network already exists
+ * @onos.rsModel K8sNetwork
+ */
+ @POST
+ @Consumes(MediaType.APPLICATION_JSON)
+ @Produces(MediaType.APPLICATION_JSON)
+ public Response createNetwork(InputStream input) {
+ log.trace(String.format(MESSAGE, "CREATE"));
+ URI location;
+
+ try {
+ ObjectNode jsonTree = readTreeFromStream(mapper(), input);
+ final K8sNetwork network = codec(K8sNetwork.class).decode(jsonTree, this);
+ adminService.createNetwork(network);
+ location = new URI(network.networkId());
+ } catch (IOException | URISyntaxException e) {
+ throw new IllegalArgumentException(e);
+ }
+
+ return Response.created(location).build();
+ }
+
+ /**
+ * Updates the network with the specified identifier.
+ *
+ * @param id network identifier
+ * @param input network JSON input stream
+ * @return 200 OK with the updated network, 400 BAD_REQUEST if the requested
+ * network does not exist
+ * @onos.rsModel K8sNetwork
+ */
+ @PUT
+ @Path("{id}")
+ @Consumes(MediaType.APPLICATION_JSON)
+ @Produces(MediaType.APPLICATION_JSON)
+ public Response updateNetwork(@PathParam("id") String id, InputStream input) {
+ log.trace(String.format(MESSAGE, "UPDATED"));
+
+ try {
+ ObjectNode jsonTree = readTreeFromStream(mapper(), input);
+ JsonNode specifiedNetworkId = jsonTree.get("networkId");
+
+ if (specifiedNetworkId != null && !specifiedNetworkId.asText().equals(id)) {
+ throw new IllegalArgumentException(NETWORK_INVALID);
+ }
+
+ final K8sNetwork network = codec(K8sNetwork.class).decode(jsonTree, this);
+ adminService.updateNetwork(network);
+ } catch (IOException e) {
+ throw new IllegalArgumentException(e);
+ }
+
+ return Response.ok().build();
+ }
+
+ /**
+ * Removes the network with the given id.
+ *
+ * @param id network identifier
+ * @return 204 NO_CONTENT, 400 BAD_REQUEST if the network does not exist
+ */
+ @DELETE
+ @Path("{id}")
+ public Response removeNetwork(@PathParam("id") String id) {
+ log.trace(String.format(MESSAGE, "DELETE " + id));
+
+ adminService.removeNetwork(id);
+ return Response.noContent().build();
+ }
+}