2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
21 package org.openecomp.mso.logger;
24 import java.util.List;
26 import javax.ws.rs.DefaultValue;
27 import javax.ws.rs.GET;
28 import javax.ws.rs.Path;
29 import javax.ws.rs.PathParam;
30 import javax.ws.rs.Produces;
31 import javax.ws.rs.QueryParam;
32 import javax.ws.rs.core.Response;
34 import org.slf4j.LoggerFactory;
36 import ch.qos.logback.classic.Level;
37 import ch.qos.logback.classic.Logger;
38 import ch.qos.logback.classic.LoggerContext;
39 import ch.qos.logback.classic.joran.JoranConfigurator;
40 import ch.qos.logback.core.Appender;
43 public class MsoLoggingServlet {
45 private static final String DEBUGLOG = "asyncEELFDebug";
46 private MsoLogger logger = MsoLogger.getMsoLogger (MsoLogger.Catalog.GENERAL);
47 private static final String GENERAL_LOGGER = "com.att.eelf.error";
48 private static final String AUDIT_LOGGER = "com.att.eelf.audit";
49 private static final String METRICS_LOGGER = "com.att.eelf.metrics";
52 @Path("/setLevel/{logContext}/{level}")
53 @Produces("text/plain")
54 public Response setLogLevel (@PathParam("logContext") String logContext, @PathParam("level") String level) {
55 logger.info (MessageEnum.LOGGER_SETUP, "", "");
57 LoggerContext context = (LoggerContext) LoggerFactory.getILoggerFactory();
58 JoranConfigurator jc = new JoranConfigurator();
59 jc.setContext(context);
60 Logger updateLogger = context.getLogger (logContext);
62 if (updateLogger == null) {
63 logger.info (MessageEnum.LOGGER_NOT_FOUND, logContext, "", "");
64 String response = "Unknown logger: " + logContext;
65 return Response.status (200).entity (response).build ();
68 Level currentLevel = updateLogger.getLevel();
69 if (!currentLevel.equals(Level.toLevel(level))) {
70 Level newLevel = Level.toLevel (level);
71 updateLogger.setLevel (newLevel);
72 logger.info (MessageEnum.LOGGER_UPDATE_SUC, updateLogger.getName (), currentLevel.toString(), newLevel.toString());
75 String response = "Log level set to: " + level + " for " + updateLogger.getName ();
76 return Response.status (200).entity (response).build ();
82 @Produces("text/plain")
83 @SuppressWarnings("rawtypes")
84 public Response getLoggers () {
85 StringBuilder response = new StringBuilder ();
86 LoggerContext context = (LoggerContext) LoggerFactory.getILoggerFactory();
87 JoranConfigurator jc = new JoranConfigurator();
88 jc.setContext(context);
89 List <Logger> loggerList = context.getLoggerList();
90 for (Logger logger:loggerList) {
91 //if (logger.getLevel() != null) {
92 response.append (logger.getName () + ":" + logger.getLevel () + " (" + logger.getEffectiveLevel () + ")\n");
95 return Response.status (200).entity (response).build ();
101 @Produces("text/plain")
102 @SuppressWarnings("rawtypes")
104 * Debug log is used as a general log to store all the logs events, including events generated by MSO code or by
105 * components used by MSO.
106 * This method will only enable/disable the function to store MSO generated events into debug log,
107 * since those events will also be generated to error, audit, metrics log.
108 * The events generated by other components will not be affected by this interface.
110 public Response updateDebugAppender (@DefaultValue("true") @QueryParam("enable") Boolean enable) {
113 LoggerContext context = (LoggerContext) LoggerFactory.getILoggerFactory();
114 JoranConfigurator jc = new JoranConfigurator();
115 jc.setContext(context);
116 List <Logger> loggerList = context.getLoggerList();
117 Logger rootLogger = context.getLogger("ROOT");
118 Appender appender = rootLogger.getAppender(DEBUGLOG);
120 if (null == appender) {
121 return Response.status (500).entity ("Not able to found Debug appender. Please verify to make sure the needed logback file is present in the config folder.").build ();
125 logger.info (MessageEnum.LOGGER_UPDATE_DEBUG, "", "");
127 for (Logger logger: loggerList) {
128 if (isMsoLogger (logger.getName ()) && logger.getAppender (DEBUGLOG) == null && logger.getLevel () != null) {
129 logger.addAppender (appender);
130 logger.setAdditive(false);
133 logger.info (MessageEnum.LOGGER_UPDATE_DEBUG_SUC, "enabled", "", "");
134 response = "Debuglog successfully enabled.";
136 logger.info (MessageEnum.LOGGER_UPDATE_DEBUG, "", "");
137 for (Logger logger: loggerList) {
138 if (isMsoLogger (logger.getName ())) {
139 logger.detachAppender (appender);
142 logger.info (MessageEnum.LOGGER_UPDATE_DEBUG_SUC, "disabled", "", "");
143 response = "Debuglog successfully disabled.";
145 return Response.status (200).entity (response).build ();
150 private boolean isMsoLogger (String loggerName) {
151 return loggerName.contains (GENERAL_LOGGER) || loggerName.equals (AUDIT_LOGGER)
152 || loggerName.equals (METRICS_LOGGER);