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Diffstat (limited to 'common/src/main/java/org/openecomp/mso/logger/MsoAlarmLogger.java')
-rw-r--r-- | common/src/main/java/org/openecomp/mso/logger/MsoAlarmLogger.java | 181 |
1 files changed, 0 insertions, 181 deletions
diff --git a/common/src/main/java/org/openecomp/mso/logger/MsoAlarmLogger.java b/common/src/main/java/org/openecomp/mso/logger/MsoAlarmLogger.java deleted file mode 100644 index b2b8d0aa33..0000000000 --- a/common/src/main/java/org/openecomp/mso/logger/MsoAlarmLogger.java +++ /dev/null @@ -1,181 +0,0 @@ -/*- - * ============LICENSE_START======================================================= - * ONAP - SO - * ================================================================================ - * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved. - * ================================================================================ - * 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. - * ============LICENSE_END========================================================= - */ - -package org.openecomp.mso.logger; - - -import java.io.File; -import javax.servlet.ServletContextEvent; -import javax.servlet.ServletContextListener; - -import org.slf4j.LoggerFactory; - -import ch.qos.logback.classic.Level; -import ch.qos.logback.classic.Logger; -import ch.qos.logback.classic.LoggerContext; -import ch.qos.logback.classic.encoder.PatternLayoutEncoder; -import ch.qos.logback.classic.spi.ILoggingEvent; -import ch.qos.logback.core.rolling.RollingFileAppender; -import ch.qos.logback.core.rolling.TimeBasedRollingPolicy; - -/** - * Wrapper around log4j and Nagios NRDP passive alarming for MSO. - * - * For local alarm logging, this class will look for an alarm log file name - * in the servlet context parameter "mso.alarms.file". If none is found, - * it will look for an MsoProperty of the same name. As a last resort, - * it will use the default path "/var/log/ecomp/MSO/alarms/alarm.log". - * It is expected that all alarms within an application will use the same - * alarm file, so there is no way to dynamically add other alarm files. - * - * Alarms are logged as a simple pipe-delimited string of the format: - * <dateTime>|<alarmType>|<state>|<detailMessage> - * - * This class also supports real-time Nagios NRDP alarming. If enabled via - * MsoProperties, all alarms generated and logged to the local alarm file will - * also be transmitted to a Nagios NRDP instance. NRDP requires 4 parameters - * in service alarm events (all Mso Alarms will be Service Alarms): - * hostname, servicename, state, detail - * - * The log file format is also intended to be compatible with Nagios NRDP for - * non-real-time reporting. The command-line tool for sending alarms is - * is "send_nrdp.php", which takes the same 4 parameters as input. - * It will be easy enough to translate entries from an alarm.log file to - * NRDP if real-time NRDP alarming is not enabled. - * - * For Nagios integration, the alarmTypes should all match "service names" - * configured in the receiving Nagios server. Also, the alarm state will - * be limited to the 4 values defined by Nagios: - * 0 = OK, 1 = Warning, 2 = Critical, 3 = Unknown - * - * - */ -public class MsoAlarmLogger implements ServletContextListener { - - private Logger alarmLogger = (ch.qos.logback.classic.Logger) LoggerFactory.getLogger(MSO_ALARM_CONTEXT); - private static RollingFileAppender<ILoggingEvent> fileAppender = null; - public static final String DEFAULT_MSO_ALARM_FILE = "/var/log/ecomp/MSO/alarms/alarm.log"; - public static final String MSO_ALARM_CONTEXT = "mso.alarms"; - - public static final int OK = 0; - public static final int WARNING = 1; - public static final int CRITICAL = 2; - public static final int UNKNOWN = 3; - - /** - * Get the default MSO Alarm Logger - */ - public MsoAlarmLogger () { - - initializeAlarmLogger(null); - - } - - public MsoAlarmLogger (String alarmFile) { - initializeAlarmLogger(alarmFile); - - } - - /** - * Method to record an alarm. - * - * @param alarm - the alarm identifier (Nagios "service") - * @param state - the alarm state/severity, based on Nagios service - * state values: 0 = OK, 1 = Warning, 2 = Critical, 3 = Unknown - * @param detail - detail message (may contain additional internal - * structure per alarm type) - */ - public void sendAlarm (String alarm, int state, String detail) { - // Write the alarm to Log file - if (alarmLogger != null) { - String output = alarm + "|" + state + "|" + detail; - alarmLogger.info (output); - } - - } - - @Override - public void contextDestroyed (ServletContextEvent event) { - // Nothing to do... - } - - @Override - public void contextInitialized (ServletContextEvent event) { - String msoAlarmFile = event.getServletContext ().getInitParameter ("mso.alarm.file"); - if (msoAlarmFile == null) { - msoAlarmFile = DEFAULT_MSO_ALARM_FILE; - } - - initializeAlarmLogger (msoAlarmFile); - } - - private void initializeAlarmLogger (String alarmFile) { - synchronized (MsoAlarmLogger.class) { - if (fileAppender == null) { - if (alarmFile != null) { - fileAppender = MsoAlarmLogger.getAppender (alarmFile); - } else { - fileAppender = MsoAlarmLogger.getAppender (DEFAULT_MSO_ALARM_FILE); - } - } - } - // The alarmLogger was static originally. - // The initialization of the alarmLogger was fine, but not sure why, it lost its appender info later - // Due to that issue, the alarmLogger is not static any more. - // Instead static attribute fileAppender is added and will be assigned to the alarmLogger every time new MsoAlarmLogger is created. - alarmLogger.setLevel (Level.INFO); - alarmLogger.addAppender (fileAppender); - alarmLogger.setAdditive (false); - } - - - private static RollingFileAppender<ILoggingEvent> getAppender (String msoAlarmFile) { - // Create a Logger for alarms. Just use a default Pattern that outputs - // a message. MsoAlarmLogger will handle the formatting. - File alarmFile = new File (msoAlarmFile); - File alarmDir = alarmFile.getParentFile (); - if (!alarmDir.exists ()) { - alarmDir.mkdirs (); - } - - String logPattern = "%d{yyyy-MM-dd HH:mm:ss}|%m%n"; - - LoggerContext context = (LoggerContext) LoggerFactory.getILoggerFactory(); - PatternLayoutEncoder encoder=new PatternLayoutEncoder(); - encoder.setPattern(logPattern); - encoder.setContext(context); - encoder.start(); - RollingFileAppender<ILoggingEvent> fileAppender= new RollingFileAppender<>(); - TimeBasedRollingPolicy<ILoggingEvent> rollingPolicy= new TimeBasedRollingPolicy<>(); - rollingPolicy.setContext(context); - rollingPolicy.setFileNamePattern(msoAlarmFile + ".%d"); - rollingPolicy.setParent(fileAppender); - rollingPolicy.start(); - fileAppender.setFile(msoAlarmFile); - fileAppender.setAppend(true); - fileAppender.setEncoder(encoder); - fileAppender.setRollingPolicy(rollingPolicy); - fileAppender.setContext(context); - fileAppender.start(); - - return fileAppender; - } - -} |