| /* |
| * 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 java.util.ArrayList; |
| import java.util.HashSet; |
| import java.util.List; |
| import java.util.Set; |
| |
| import org.springframework.shell.core.annotation.CliCommand; |
| import org.springframework.shell.core.annotation.CliOption; |
| |
| import org.apache.geode.cache.Cache; |
| import org.apache.geode.cache.execute.Execution; |
| import org.apache.geode.cache.execute.Function; |
| import org.apache.geode.cache.execute.FunctionException; |
| import org.apache.geode.cache.execute.FunctionService; |
| import org.apache.geode.distributed.DistributedMember; |
| 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.cli.AbstractCliAroundInterceptor; |
| import org.apache.geode.management.internal.cli.GfshParseResult; |
| import org.apache.geode.management.internal.cli.functions.UnregisterFunction; |
| import org.apache.geode.management.internal.cli.i18n.CliStrings; |
| 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 DestroyFunctionCommand extends GfshCommand { |
| @CliCommand(value = CliStrings.DESTROY_FUNCTION, help = CliStrings.DESTROY_FUNCTION__HELP) |
| @CliMetaData(relatedTopic = {CliStrings.TOPIC_GEODE_FUNCTION}, |
| interceptor = "org.apache.geode.management.internal.cli.commands.DestroyFunctionCommand$Interceptor") |
| @ResourceOperation(resource = ResourcePermission.Resource.CLUSTER, |
| operation = ResourcePermission.Operation.MANAGE, target = ResourcePermission.Target.DEPLOY) |
| // TODO: Add optioncontext for functionId |
| public ResultModel destroyFunction( |
| @CliOption(key = CliStrings.DESTROY_FUNCTION__ID, mandatory = true, |
| help = CliStrings.DESTROY_FUNCTION__HELP) String functionId, |
| @CliOption(key = {CliStrings.GROUP, CliStrings.GROUPS}, |
| optionContext = ConverterHint.MEMBERGROUP, |
| help = CliStrings.DESTROY_FUNCTION__ONGROUPS__HELP) String[] groups, |
| @CliOption(key = CliStrings.MEMBER, optionContext = ConverterHint.MEMBERIDNAME, |
| help = CliStrings.DESTROY_FUNCTION__ONMEMBER__HELP) String memberId) { |
| try { |
| Cache cache = getCache(); |
| Set<DistributedMember> dsMembers = new HashSet<>(); |
| if (groups != null && memberId != null) { |
| return ResultModel.createError(CliStrings.DESTROY_FUNCTION__MSG__PROVIDE_OPTION); |
| } else if (groups != null && groups.length > 0) { |
| // execute on group members |
| for (String grp : groups) { |
| dsMembers.addAll(cache.getDistributedSystem().getGroupMembers(grp)); |
| } |
| return executeFunction(cache, dsMembers, functionId); |
| } else if (memberId != null) { |
| // execute on member |
| dsMembers.add(getMember(memberId)); |
| return executeFunction(cache, dsMembers, functionId); |
| } else { |
| // no option provided. |
| return executeFunction(cache, cache.getMembers(), functionId); |
| } |
| } catch (Exception e) { |
| return ResultModel.createError(e.getMessage()); |
| } |
| } |
| |
| private ResultModel executeFunction(Cache cache, Set<DistributedMember> DsMembers, |
| String functionId) { |
| // unregister on a set of of members |
| Function unregisterFunction = new UnregisterFunction(); |
| FunctionService.registerFunction(unregisterFunction); |
| List resultList; |
| |
| if (DsMembers.isEmpty()) { |
| return ResultModel.createInfo("No members for execution"); |
| } |
| Object[] obj = new Object[1]; |
| obj[0] = functionId; |
| |
| Execution execution = FunctionService.onMembers(DsMembers).setArguments(obj); |
| |
| if (execution == null) { |
| cache.getLogger().error("executeUnregister execution is null"); |
| return ResultModel.createError(CliStrings.DESTROY_FUNCTION__MSG__CANNOT_EXECUTE); |
| } |
| try { |
| resultList = (ArrayList) execution.execute(unregisterFunction).getResult(); |
| } catch (FunctionException ex) { |
| return ResultModel.createError(ex.getMessage()); |
| } |
| String resultStr = ((String) resultList.get(0)); |
| if (resultStr.equals("Succeeded in unregistering")) { |
| StringBuilder members = new StringBuilder(); |
| for (DistributedMember member : DsMembers) { |
| members.append(member.getId()); |
| members.append(","); |
| } |
| return ResultModel.createInfo("Destroyed " + functionId + " Successfully on " |
| + members.toString().substring(0, members.toString().length() - 1)); |
| } else { |
| return ResultModel.createInfo("Failed in unregistering"); |
| } |
| } |
| |
| /** |
| * Interceptor used by gfsh to intercept execution of destroy. |
| */ |
| public static class Interceptor extends AbstractCliAroundInterceptor { |
| @Override |
| public ResultModel preExecution(GfshParseResult parseResult) { |
| String onGroup = parseResult.getParamValueAsString(CliStrings.GROUP); |
| String onMember = parseResult.getParamValueAsString(CliStrings.MEMBER); |
| |
| String functionId = parseResult.getParamValueAsString(CliStrings.DESTROY_FUNCTION__ID); |
| |
| if ((onGroup == null && onMember == null)) { |
| Response response = readYesNo( |
| "Do you really want to destroy " + functionId + " on entire DS?", Response.NO); |
| if (response == Response.NO) { |
| return ResultModel.createError("Aborted destroy of " + functionId); |
| } else { |
| return ResultModel.createInfo("Destroying " + functionId); |
| } |
| } else { |
| return ResultModel.createInfo("Destroying " + functionId); |
| } |
| } |
| } |
| } |