RestCommandExecutor.java

/*
 * Copyright 2015-2016 OpenCB
 *
 * 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.opencb.opencga.storage.app.cli.server.executors;

import org.apache.commons.lang3.StringUtils;
import org.opencb.opencga.storage.app.cli.CommandExecutor;
import org.opencb.opencga.storage.app.cli.server.AdminCliOptionsParser;
import org.opencb.opencga.storage.app.cli.server.options.ServerCommandOptions;
import org.opencb.opencga.storage.core.config.StorageConfiguration;
import org.opencb.opencga.storage.server.rest.RestStorageServer;
import org.slf4j.Logger;

import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.client.WebTarget;
import javax.ws.rs.core.Response;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;

/**
 * Created by imedina on 30/12/15.
 */
public class RestCommandExecutor { // extends CommandExecutor {

    ServerCommandOptions.RestServerCommandOptions restServerCommandOptions;
    StorageConfiguration configuration;
    Logger logger;

    public RestCommandExecutor(ServerCommandOptions.RestServerCommandOptions restServerCommandOptions,
                               StorageConfiguration configuration, Logger logger) {
        this.restServerCommandOptions = restServerCommandOptions;
        this.configuration = configuration;
        this.logger = logger;
    }

//    private AdminCliOptionsParser.RestCommandOptions restCommandOptions;
//
//    public RestCommandExecutor(AdminCliOptionsParser.RestCommandOptions restCommandOptions) {
//        super(restCommandOptions.commonOptions);
//        this.restCommandOptions = restCommandOptions;
//    }
//
//    @Override
//    public void execute() throws Exception {
//        logger.debug("Executing REST command line");
//
//        String subCommandString = restCommandOptions.getParsedSubCommand();
//        switch (subCommandString) {
//            case "start":
//                start();
//                break;
//            case "stop":
//                stop();
//                break;
//            case "status":
//                status();
//                break;
//            default:
//                logger.error("Subcommand not valid");
//                break;
//        }
//    }

    public void start() throws Exception {
        StorageConfiguration storageConfiguration = configuration;
        if (StringUtils.isNotEmpty(restServerCommandOptions.commonOptions.configFile)) {
            Path path = Paths.get(restServerCommandOptions.commonOptions.configFile);
            if (Files.exists(path)) {
                storageConfiguration = StorageConfiguration.load(Files.newInputStream(path));
            }
        }

        // Setting CLI params in the StorageConfiguration
        if (restServerCommandOptions.port > 0) {
            storageConfiguration.getServer().setRest(restServerCommandOptions.port);
        }

        if (StringUtils.isNotEmpty(restServerCommandOptions.commonOptions.storageEngine)) {
            storageConfiguration.setDefaultStorageEngineId(restServerCommandOptions.commonOptions.storageEngine);
        }

        if (StringUtils.isNotEmpty(restServerCommandOptions.authManager)) {
            storageConfiguration.getServer().setAuthManager(restServerCommandOptions.authManager);
        }

        // Server crated and started
        RestStorageServer server = new RestStorageServer(storageConfiguration);
        server.start();
        server.blockUntilShutdown();
        logger.info("Shutting down OpenCGA Storage REST server");
    }

    public void stop() {
        int port = configuration.getServer().getRest();
        if (restServerCommandOptions.port > 0) {
            port = restServerCommandOptions.port;
        }

        Client client = ClientBuilder.newClient();
        WebTarget target = client.target("http://localhost:" + port)
                .path("opencga")
                .path("webservices")
                .path("rest")
                .path("admin")
                .path("stop");
        Response response = target.request().get();
        logger.info(response.toString());
    }

    public void status() {

    }

}