| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.cassandra.sidecar.server; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.stream.Collectors; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import io.vertx.core.AbstractVerticle; |
| import io.vertx.core.CompositeFuture; |
| import io.vertx.core.Future; |
| import io.vertx.core.Promise; |
| import io.vertx.core.http.HttpServer; |
| import io.vertx.core.http.HttpServerOptions; |
| import io.vertx.core.net.SSLOptions; |
| import io.vertx.core.net.SocketAddress; |
| import io.vertx.ext.web.Router; |
| import org.apache.cassandra.sidecar.config.ServiceConfiguration; |
| import org.apache.cassandra.sidecar.config.SidecarConfiguration; |
| import org.jetbrains.annotations.VisibleForTesting; |
| |
| /** |
| * The verticle implementation for a Sidecar server |
| */ |
| public class ServerVerticle extends AbstractVerticle |
| { |
| private static final Logger LOGGER = LoggerFactory.getLogger(ServerVerticle.class); |
| |
| protected final SidecarConfiguration sidecarConfiguration; |
| protected final Router router; |
| private final HttpServerOptions options; |
| private List<HttpServer> deployedServers; |
| |
| /** |
| * Constructs a new instance of the {@link ServerVerticle} with the provided parameters. |
| * |
| * @param sidecarConfiguration the configuration for running Sidecar |
| * @param router the configured router for this Service |
| * @param options the {@link HttpServerOptions} to create the HTTP server |
| */ |
| public ServerVerticle(SidecarConfiguration sidecarConfiguration, |
| Router router, |
| HttpServerOptions options) |
| { |
| this.sidecarConfiguration = sidecarConfiguration; |
| this.router = router; |
| this.options = options; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public void start(Promise<Void> startPromise) |
| { |
| ServiceConfiguration serviceConf = sidecarConfiguration.serviceConfiguration(); |
| |
| List<SocketAddress> listenSocketAddresses = serviceConf.listenSocketAddresses(); |
| LOGGER.info("Deploying Cassandra Sidecar server verticle on socket addresses={}", listenSocketAddresses); |
| List<Future<HttpServer>> futures = listenSocketAddresses.stream() |
| .map(socketAddress -> vertx.createHttpServer(options) |
| .requestHandler(router) |
| .listen(socketAddress)) |
| .collect(Collectors.toList()); |
| Future.all(futures) |
| .onSuccess((CompositeFuture startedServerFuture) -> { |
| deployedServers = new ArrayList<>(startedServerFuture.list()); |
| LOGGER.info("Successfully deployed Cassandra Sidecar server verticle on socket addresses={}", |
| listenSocketAddresses); |
| startPromise.complete(); // notify that server started successfully |
| }) |
| .onFailure(cause -> { |
| LOGGER.error("Failed to deploy Cassandra Sidecar verticle failed on socket addresses={}", |
| listenSocketAddresses, cause); |
| startPromise.fail(cause); // propagate failure to deploying class |
| }); |
| } |
| |
| /** |
| * Updates the {@link SSLOptions} internally for the deployed server |
| * |
| * @param options the updated SSL options |
| * @return a future signaling the update success |
| */ |
| Future<CompositeFuture> updateSSLOptions(SSLOptions options) |
| { |
| List<HttpServer> deployedServers = this.deployedServers; |
| if (deployedServers == null || deployedServers.isEmpty()) |
| { |
| return Future.failedFuture("No servers are running"); |
| } |
| |
| return Future.all(deployedServers.stream() |
| .map(server -> server.updateSSLOptions(options)) |
| .collect(Collectors.toList())); |
| } |
| |
| /** |
| * @return the actual port of the first deployed server, or -1 if no servers are deployed |
| */ |
| @VisibleForTesting |
| int actualPort() |
| { |
| if (deployedServers != null && !deployedServers.isEmpty()) |
| return deployedServers.get(0).actualPort(); |
| return -1; |
| } |
| } |