// ### ... automagic
public void testFreeServerPortAuto() throws UnknownHostException, IOException {
MongodConfig mongodConfig = new MongodConfig(Version.Main.V2_0);
MongodStarter runtime = MongodStarter.getDefaultInstance();
MongodExecutable mongodExecutable = null;
try {
mongodExecutable = runtime.prepare(mongodConfig);
MongodProcess mongod = mongodExecutable.start();
Mongo mongo =
new Mongo(
new ServerAddress(
mongodConfig.net().getServerAddress(), mongodConfig.net().getPort()));
DB db = mongo.getDB("test");
DBCollection col = db.createCollection("testCol", new BasicDBObject());
col.save(new BasicDBObject("testDoc", new Date()));
} finally {
if (mongodExecutable != null) mongodExecutable.stop();
}
}
private void initMongoInstances() throws Exception {
logger.debug("*** initMongoInstances ***");
CommandResult cr;
// Create 3 mongod processes
mongodConfig1 =
new MongodConfig(
new GenericVersion(mongoVersion),
new Net(mongoPort1, Network.localhostIsIPv6()),
new Storage(null, REPLICA_SET_NAME, 20),
new Timeout());
MongodStarter starter = MongodStarter.getDefaultInstance();
mongodExe1 = starter.prepare(mongodConfig1);
mongod1 = mongodExe1.start();
mongodConfig2 =
new MongodConfig(
new GenericVersion(mongoVersion),
new Net(mongoPort2, Network.localhostIsIPv6()),
new Storage(null, REPLICA_SET_NAME, 20),
new Timeout());
mongodExe2 = starter.prepare(mongodConfig2);
mongod2 = mongodExe2.start();
mongodConfig3 =
new MongodConfig(
new GenericVersion(mongoVersion),
new Net(mongoPort3, Network.localhostIsIPv6()),
new Storage(null, REPLICA_SET_NAME, 20),
new Timeout());
mongodExe3 = starter.prepare(mongodConfig3);
mongod3 = mongodExe3.start();
String server1 = Network.getLocalHost().getHostName() + ":" + mongodConfig1.net().getPort();
String server2 = Network.getLocalHost().getHostName() + ":" + mongodConfig2.net().getPort();
String server3 = Network.getLocalHost().getHostName() + ":" + mongodConfig3.net().getPort();
logger.debug("Server #1: {}", server1);
logger.debug("Server #2: {}", server2);
logger.debug("Server #3: {}", server3);
Thread.sleep(2000);
MongoClientOptions mco =
MongoClientOptions.builder()
.autoConnectRetry(true)
.connectTimeout(15000)
.socketTimeout(60000)
.build();
mongo =
new MongoClient(
new ServerAddress(Network.getLocalHost().getHostName(), mongodConfig1.net().getPort()),
mco);
mongoAdminDB = mongo.getDB(ADMIN_DATABASE_NAME);
cr = mongoAdminDB.command(new BasicDBObject("isMaster", 1));
logger.debug("isMaster: " + cr);
// Initialize replica set
cr =
mongoAdminDB.command(
new BasicDBObject(
"replSetInitiate",
(DBObject)
JSON.parse(
"{'_id': '"
+ REPLICA_SET_NAME
+ "', 'members': [{'_id': 0, 'host': '"
+ server1
+ "'}, {'_id': 1, 'host': '"
+ server2
+ "'}, {'_id': 2, 'host': '"
+ server3
+ "', 'arbiterOnly' : true}]} }")));
logger.debug("replSetInitiate: " + cr);
Thread.sleep(5000);
cr = mongoAdminDB.command(new BasicDBObject("replSetGetStatus", 1));
logger.info("replSetGetStatus: " + cr);
// Check replica set status before to proceed
while (!isReplicaSetStarted(cr)) {
logger.debug("Waiting for 3 seconds...");
Thread.sleep(3000);
cr = mongoAdminDB.command(new BasicDBObject("replSetGetStatus", 1));
logger.debug("replSetGetStatus: " + cr);
}
mongo.close();
mongo = null;
// Initialize a new client using all instances.
List<ServerAddress> mongoServers = new ArrayList<ServerAddress>();
mongoServers.add(
new ServerAddress(Network.getLocalHost().getHostName(), mongodConfig1.net().getPort()));
mongoServers.add(
new ServerAddress(Network.getLocalHost().getHostName(), mongodConfig2.net().getPort()));
mongoServers.add(
new ServerAddress(Network.getLocalHost().getHostName(), mongodConfig3.net().getPort()));
mongo = new MongoClient(mongoServers, mco);
Assert.assertNotNull(mongo);
mongo.setReadPreference(ReadPreference.secondaryPreferred());
mongo.setWriteConcern(WriteConcern.REPLICAS_SAFE);
}