/*
* Copyright (c) 2014 Spotify AB.
*
* 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 com.spotify.helios.servicescommon;
import com.google.common.base.Strings;
import com.google.common.util.concurrent.AbstractIdleService;
import com.codahale.metrics.MetricRegistry;
import com.spotify.helios.common.LoggingConfig;
import com.spotify.logging.LoggingConfigurator;
import com.spotify.logging.LoggingConfigurator.Level;
import org.hibernate.validator.HibernateValidator;
import org.slf4j.bridge.SLF4JBridgeHandler;
import io.dropwizard.jackson.Jackson;
import io.dropwizard.setup.Environment;
import io.dropwizard.validation.valuehandling.OptionalValidatedValueUnwrapper;
import java.io.File;
import javax.validation.Validation;
import javax.validation.Validator;
import static com.google.common.collect.Iterables.get;
import static com.spotify.logging.LoggingConfigurator.Level.ALL;
import static com.spotify.logging.LoggingConfigurator.Level.DEBUG;
import static com.spotify.logging.LoggingConfigurator.Level.INFO;
import static java.util.Arrays.asList;
/**
* Handles setting up proper logging for our services.
*/
public abstract class ServiceMain extends AbstractIdleService {
protected ServiceMain(LoggingConfig loggingConfig, String sentryDsn) {
super();
setupLogging(loggingConfig, sentryDsn);
}
protected static Environment createEnvironment(final String name) {
final Validator validator = Validation
.byProvider(HibernateValidator.class)
.configure()
.addValidatedValueHandler(new OptionalValidatedValueUnwrapper())
.buildValidatorFactory()
.getValidator();
return new Environment(name,
Jackson.newObjectMapper(),
validator,
new MetricRegistry(),
Thread.currentThread().getContextClassLoader());
}
protected static void setupLogging(LoggingConfig config, String sentryDsn) {
if (config.getNoLogSetup()) {
return;
}
// Hijack JUL
SLF4JBridgeHandler.removeHandlersForRootLogger();
SLF4JBridgeHandler.install();
final int verbose = config.getVerbosity();
final Level level = get(asList(INFO, DEBUG, ALL), verbose, ALL);
final File logconfig = config.getConfigFile();
if (logconfig != null) {
LoggingConfigurator.configure(logconfig);
} else {
if (config.isSyslog()) {
LoggingConfigurator.configureSyslogDefaults("helios", level);
} else {
LoggingConfigurator.configureDefaults("helios", level);
}
if (!Strings.isNullOrEmpty(sentryDsn)) {
LoggingConfigurator.addSentryAppender(sentryDsn);
}
}
}
}