| /* |
| * 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 org.apache.geode.management.internal.cli.commands; |
| |
| import javax.management.ObjectName; |
| |
| import org.springframework.shell.core.annotation.CliCommand; |
| import org.springframework.shell.core.annotation.CliOption; |
| |
| import org.apache.geode.distributed.DistributedMember; |
| import org.apache.geode.management.MemberMXBean; |
| import org.apache.geode.management.cli.CliMetaData; |
| import org.apache.geode.management.cli.ConverterHint; |
| import org.apache.geode.management.cli.GfshCommand; |
| import org.apache.geode.management.internal.ManagementConstants; |
| import org.apache.geode.management.internal.SystemManagementService; |
| import org.apache.geode.management.internal.cli.i18n.CliStrings; |
| import org.apache.geode.management.internal.cli.result.model.InfoResultModel; |
| import org.apache.geode.management.internal.cli.result.model.ResultModel; |
| import org.apache.geode.management.internal.security.ResourceOperation; |
| import org.apache.geode.security.ResourcePermission; |
| |
| public class ShowLogCommand extends GfshCommand { |
| @CliCommand(value = CliStrings.SHOW_LOG, help = CliStrings.SHOW_LOG_HELP) |
| @CliMetaData(relatedTopic = {CliStrings.TOPIC_GEODE_DEBUG_UTIL}) |
| @ResourceOperation(resource = ResourcePermission.Resource.CLUSTER, |
| operation = ResourcePermission.Operation.READ) |
| public ResultModel showLog( |
| @CliOption(key = CliStrings.MEMBER, optionContext = ConverterHint.ALL_MEMBER_IDNAME, |
| help = CliStrings.SHOW_LOG_MEMBER_HELP, mandatory = true) String memberNameOrId, |
| @CliOption(key = CliStrings.SHOW_LOG_LINE_NUM, unspecifiedDefaultValue = "0", |
| help = CliStrings.SHOW_LOG_LINE_NUM_HELP) int numberOfLines) { |
| DistributedMember targetMember = getMember(memberNameOrId); |
| MemberMXBean targetMemberMXBean = getMemberMxBean(targetMember); |
| |
| if (numberOfLines > ManagementConstants.MAX_SHOW_LOG_LINES) { |
| numberOfLines = ManagementConstants.MAX_SHOW_LOG_LINES; |
| } |
| |
| if (numberOfLines == 0 || numberOfLines < 0) { |
| numberOfLines = ManagementConstants.DEFAULT_SHOW_LOG_LINES; |
| } |
| |
| ResultModel result = new ResultModel(); |
| InfoResultModel resultInfo = result.addInfo(); |
| if (targetMemberMXBean != null) { |
| String log = targetMemberMXBean.showLog(numberOfLines); |
| if (log != null) { |
| resultInfo.addLine(log); |
| } else { |
| resultInfo.addLine(CliStrings.SHOW_LOG_NO_LOG); |
| } |
| } else { |
| return ResultModel.createError( |
| String.format("%s: %s", CliStrings.SHOW_LOG_MSG_MEMBER_NOT_FOUND, memberNameOrId)); |
| } |
| |
| return result; |
| } |
| |
| public MemberMXBean getMemberMxBean(DistributedMember targetMember) { |
| SystemManagementService service = getManagementService(); |
| |
| if (getCache().getDistributedSystem().getDistributedMember().equals(targetMember)) { |
| return service.getMemberMXBean(); |
| } else { |
| ObjectName objectName = service.getMemberMBeanName(targetMember); |
| return service.getMBeanProxy(objectName, MemberMXBean.class); |
| } |
| } |
| } |