loganalysis/lib/index.js

Collects stdout and stderr messages from Node.js applications and sends them to the IBM SmartCloud Analytics - Log Analysis service.

/*
 * © Copyright IBM Corp. 2014
 *
 * 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.
 */

var ScalaClient = require('./scala');

var Logger = require('./logger');
var logger = Logger.newLogger('index');
var loggers = Logger.loggers;
var LoggerClass = Logger.Logger;

var consoleConfig = require('./console_config');

(function () {
  try {
    consoleConfig.setUp();
  } catch (e) {
    consoleConfig.cleanUp();
    var message = 'Unable to execute auto config due to ' + (e && e.message ? e.message : '');
    logger.error(message);
	logger.error(e.stack);
  }
})();

/**
 *  Exports those only for backward compatibility
 */
module.exports.consoleAutoConfig = consoleConfig;

module.exports.ScalaClient = ScalaClient;

/**
 *  APIs for  creating/adding/removing user defined Scala Clients
 */
module.exports.createScalaClient = ScalaClient.createScalaClient;

module.exports.addScalaClient = function(client) {
  consoleConfig.addScalaClient(client);
};

module.exports.removeScalaClient = function(client) {
  consoleConfig.removeScalaClient(client);
};

module.exports.getScalaClients = function() {
  return consoleConfig.getActiveScalaClients().slice();
};

/**
 *  APIs for setting logger level on the runtime
 */
module.exports.setLoggerLevel = function (name, level) {
  var targetLogger = loggers[name];
  if(targetLogger && (targetLogger instanceof LoggerClass)) {
    targetLogger.setLevel(level);
  }
};

module.exports.setDefaultLoggerLevel = function (level) {
  for(var name in loggers) {
    if(loggers.hasOwnProperty(name) && (loggers[name] instanceof LoggerClass)) {
      loggers[name].setLevel(level);
    }
  }
};

module.exports.setLogToFile = function (logToFile) {
  for(var name in loggers) {
    if(loggers.hasOwnProperty(name) && (loggers[name] instanceof LoggerClass)) {
      loggers[name].setLogToFile(logToFile);
    }
  }
};