| /* |
| * 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. |
| */ |
| package org.apache.karaf.cellar.log.shell; |
| |
| import org.apache.karaf.cellar.core.shell.CellarCommandSupport; |
| import org.apache.karaf.cellar.core.shell.completer.AllNodeCompleter; |
| import org.apache.karaf.cellar.log.ClusterLogKey; |
| import org.apache.karaf.cellar.log.ClusterLogRecord; |
| import org.apache.karaf.cellar.log.LogAppender; |
| import org.apache.karaf.shell.api.action.Argument; |
| import org.apache.karaf.shell.api.action.Command; |
| import org.apache.karaf.shell.api.action.Completion; |
| import org.apache.karaf.shell.api.action.Option; |
| import org.apache.karaf.shell.api.action.lifecycle.Service; |
| |
| import java.text.SimpleDateFormat; |
| import java.util.Date; |
| import java.util.Map; |
| |
| @Command(scope = "cluster", name = "log-display", description = "Display the cluster log messages") |
| @Service |
| public class LogDisplay extends CellarCommandSupport { |
| |
| @Argument(index = 0, name = "logger", description = "The logger name", required = false, multiValued = false) |
| String logger; |
| |
| @Argument(index = 1, name = "node", description = "The node ID or alias", required = false, multiValued = false) |
| @Completion(AllNodeCompleter.class) |
| String nodeIdOrAlias; |
| |
| @Option(name = "-n", description = "Number of entries to display", required = false, multiValued = false) |
| int entries; |
| |
| @Override |
| public Object doExecute() throws Exception { |
| String nodeId = null; |
| if (nodeIdOrAlias != null && clusterManager.findNodeByIdOrAlias(nodeIdOrAlias) == null) { |
| System.err.println("Node " + nodeIdOrAlias + " doesn't exist"); |
| return null; |
| } |
| if (nodeIdOrAlias != null && clusterManager.findNodeByIdOrAlias(nodeIdOrAlias) != null) { |
| nodeId = clusterManager.findNodeByIdOrAlias(nodeIdOrAlias).getId(); |
| } |
| ClassLoader originalClassLoader = Thread.currentThread().getContextClassLoader(); |
| Thread.currentThread().setContextClassLoader(getClass().getClassLoader()); |
| try { |
| Map<ClusterLogKey, ClusterLogRecord> clusterLog = clusterManager.getMap(LogAppender.LOG_MAP); |
| int index = 0; |
| for (ClusterLogKey key : clusterLog.keySet()) { |
| if (entries == 0 || (entries != 0 && index < entries)) { |
| ClusterLogRecord record = clusterLog.get(key); |
| if (nodeId == null || (nodeId != null && key.getNodeId().equals(nodeId))) { |
| if (logger == null || (logger != null && logger.equals("ALL")) || (logger != null && record.getLoggerName() != null && record.getLoggerName().contains(logger))) { |
| SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZ"); |
| System.out.println(key.getNodeId() + " | " |
| + dateFormat.format(new Date(key.getTimeStamp())) + " | " |
| + record.getLevel() + " | " |
| + record.getThreadName() + " | " |
| + record.getLoggerName() + " | " |
| + record.getMessage()); |
| index++; |
| } |
| } |
| } |
| } |
| } finally { |
| Thread.currentThread().setContextClassLoader(originalClassLoader); |
| } |
| return null; |
| } |
| |
| } |