| /* |
| * 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.ambari.server.serveraction.upgrades; |
| |
| import com.google.inject.Inject; |
| import org.apache.ambari.server.AmbariException; |
| import org.apache.ambari.server.actionmanager.HostRoleStatus; |
| import org.apache.ambari.server.agent.CommandReport; |
| import org.apache.ambari.server.serveraction.AbstractServerAction; |
| import org.apache.ambari.server.state.Cluster; |
| import org.apache.ambari.server.state.Clusters; |
| import org.apache.ambari.server.state.Config; |
| |
| import java.math.BigDecimal; |
| import java.util.Map; |
| import java.util.concurrent.ConcurrentMap; |
| |
| /** |
| * Computes HBase properties. This class is only used when moving from |
| * HDP-2.2 to HDP-2.3 in that upgrade pack. |
| */ |
| public class HBaseConfigCalculation extends AbstractServerAction { |
| private static final String SOURCE_CONFIG_TYPE = "hbase-site"; |
| private static final String OLD_UPPER_LIMIT_PROPERTY_NAME = "hbase.regionserver.global.memstore.upperLimit"; |
| private static final String OLD_LOWER_LIMIT_PROPERTY_NAME = "hbase.regionserver.global.memstore.lowerLimit"; |
| private static final String NEW_LOWER_LIMIT_PROPERTY_NAME = "hbase.regionserver.global.memstore.size.lower.limit"; |
| |
| @Inject |
| private Clusters clusters; |
| |
| @Override |
| public CommandReport execute(ConcurrentMap<String, Object> requestSharedDataContext) |
| throws AmbariException, InterruptedException { |
| |
| String clusterName = getExecutionCommand().getClusterName(); |
| |
| Cluster cluster = clusters.getCluster(clusterName); |
| |
| Config config = cluster.getDesiredConfigByType(SOURCE_CONFIG_TYPE); |
| |
| if (config == null) { |
| return createCommandReport(0, HostRoleStatus.FAILED,"{}", |
| String.format("Source type %s not found", SOURCE_CONFIG_TYPE), ""); |
| } |
| |
| Map<String, String> properties = config.getProperties(); |
| String upperLimitStr = properties.get(OLD_UPPER_LIMIT_PROPERTY_NAME); |
| String lowerLimitStr = properties.get(OLD_LOWER_LIMIT_PROPERTY_NAME); |
| |
| if (upperLimitStr == null || lowerLimitStr == null) { |
| return createCommandReport(0, HostRoleStatus.COMPLETED, "{}", |
| "Upper or lower memstore limit setting is not set, skipping", ""); |
| } |
| |
| BigDecimal upperLimit; |
| BigDecimal lowerLimit; |
| |
| try { |
| upperLimit = new BigDecimal(upperLimitStr); |
| lowerLimit = new BigDecimal(lowerLimitStr); |
| } catch (NumberFormatException e) { |
| return createCommandReport(0, HostRoleStatus.COMPLETED, "{}", |
| "Upper or lower memstore limit setting value is malformed, skipping", ""); |
| } |
| |
| if (lowerLimit.scale() < 2) //make sure result will have at least 2 digits after decimal point |
| lowerLimit = lowerLimit.setScale(2, BigDecimal.ROUND_HALF_UP); |
| BigDecimal lowerLimitNew = lowerLimit.divide(upperLimit, BigDecimal.ROUND_HALF_UP); |
| |
| properties.put(NEW_LOWER_LIMIT_PROPERTY_NAME, lowerLimitNew.toString()); |
| |
| // remove old properties |
| properties.remove(OLD_UPPER_LIMIT_PROPERTY_NAME); |
| properties.remove(OLD_LOWER_LIMIT_PROPERTY_NAME); |
| |
| config.setProperties(properties); |
| config.persist(false); |
| |
| return createCommandReport(0, HostRoleStatus.COMPLETED, "{}", |
| String.format("%s was set to %s", NEW_LOWER_LIMIT_PROPERTY_NAME, lowerLimitNew.toString()), ""); |
| |
| } |
| } |