001/*
002 * (C) Copyright 2017 Nuxeo (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     dmetzler
018 */
019package org.nuxeo.ecm.core.storage.mongodb;
020
021import java.util.concurrent.TimeUnit;
022
023import org.bson.Document;
024import org.nuxeo.launcher.config.ConfigurationException;
025import org.nuxeo.launcher.config.ConfigurationGenerator;
026import org.nuxeo.launcher.config.backingservices.BackingChecker;
027
028import com.mongodb.MongoClient;
029import com.mongodb.MongoClientOptions;
030import com.mongodb.MongoClientURI;
031import com.mongodb.MongoTimeoutException;
032import com.mongodb.ServerAddress;
033
034public class MongoDBChecker implements BackingChecker {
035
036    public static final String TEMPLATE_NAME = "mongodb";
037
038    @Override
039    public boolean accepts(ConfigurationGenerator cg) {
040        return cg.getTemplateList().contains(TEMPLATE_NAME);
041    }
042
043    @Override
044    public void check(ConfigurationGenerator cg) throws ConfigurationException {
045        MongoClient ret = null;
046        String serverName = cg.getUserConfig().getProperty(ConfigurationGenerator.PARAM_MONGODB_SERVER);
047        String dbName = cg.getUserConfig().getProperty(ConfigurationGenerator.PARAM_MONGODB_NAME);
048
049        MongoClientOptions.Builder optionsBuilder = MongoClientOptions.builder()
050                                                                      .serverSelectionTimeout(
051                                                                              (int) TimeUnit.SECONDS.toMillis(1))
052                                                                      .description("Nuxeo DB Check");
053        if (serverName.startsWith("mongodb://")) {
054            // allow mongodb:// URI syntax for the server, to pass everything in one string
055            ret = new MongoClient(new MongoClientURI(serverName, optionsBuilder));
056        } else {
057            ret = new MongoClient(new ServerAddress(serverName), optionsBuilder.build());
058        }
059        try {
060            Document ping = new Document("ping", "1");
061            ret.getDatabase(dbName).runCommand(ping);
062        } catch (MongoTimeoutException e) {
063            throw new ConfigurationException(
064                    String.format("Unable to connect to MongoDB at %s, please check your connection", serverName));
065        } finally {
066            ret.close();
067        }
068    }
069}