| /** |
| * 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 java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| import java.util.Set; |
| import java.util.TreeSet; |
| import java.util.concurrent.ConcurrentMap; |
| |
| 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.state.Cluster; |
| import org.apache.ambari.server.state.StackId; |
| import org.apache.commons.lang.StringUtils; |
| |
| import com.google.gson.JsonArray; |
| import com.google.gson.JsonObject; |
| import com.google.gson.JsonPrimitive; |
| |
| /** |
| * Action that checks component versions to ensure {@link FinalizeUpgradeAction} will |
| * complete successfully. |
| */ |
| public class ComponentVersionCheckAction extends FinalizeUpgradeAction { |
| |
| |
| @Override |
| public CommandReport execute(ConcurrentMap<String, Object> requestSharedDataContext) |
| throws AmbariException, InterruptedException { |
| |
| Map<String, String> commandParams = getExecutionCommand().getCommandParams(); |
| |
| String version = commandParams.get(VERSION_KEY); |
| StackId targetStackId = new StackId(commandParams.get(TARGET_STACK_KEY)); |
| String clusterName = getExecutionCommand().getClusterName(); |
| |
| Cluster cluster = clusters.getCluster(clusterName); |
| |
| List<InfoTuple> errors = checkHostComponentVersions(cluster, version, targetStackId); |
| |
| StringBuilder outSB = new StringBuilder(); |
| StringBuilder errSB = new StringBuilder(); |
| |
| if (errors.isEmpty()) { |
| outSB.append("No version mismatches found for components"); |
| errSB.append("No errors found for components"); |
| return createCommandReport(0, HostRoleStatus.COMPLETED, "{}", outSB.toString(), errSB.toString()); |
| } else { |
| String structuredOut = getErrors(outSB, errSB, errors); |
| return createCommandReport(-1, HostRoleStatus.FAILED, structuredOut, outSB.toString(), errSB.toString()); |
| } |
| } |
| |
| private String getErrors(StringBuilder outSB, StringBuilder errSB, List<InfoTuple> errors) { |
| |
| errSB.append("The following components were found to have version mismatches. "); |
| errSB.append("Finalize will not complete successfully:\n"); |
| |
| Set<String> hosts = new TreeSet<>(); |
| Map<String, JsonArray> hostDetails = new HashMap<>(); |
| |
| for (InfoTuple tuple : errors) { |
| errSB.append(tuple.hostName).append(": "); |
| errSB.append(tuple.serviceName).append('/').append(tuple.componentName); |
| errSB.append(" reports ").append(StringUtils.trimToEmpty(tuple.currentVersion)); |
| errSB.append('\n'); |
| |
| hosts.add(tuple.hostName); |
| |
| if (!hostDetails.containsKey(tuple.hostName)) { |
| hostDetails.put(tuple.hostName, new JsonArray()); |
| } |
| |
| JsonObject obj = new JsonObject(); |
| obj.addProperty("service", tuple.serviceName); |
| obj.addProperty("component", tuple.componentName); |
| obj.addProperty("version", tuple.currentVersion); |
| |
| hostDetails.get(tuple.hostName).add(obj); |
| } |
| |
| JsonArray hostJson = new JsonArray(); |
| for (String h : hosts) { |
| hostJson.add(new JsonPrimitive(h)); |
| } |
| |
| JsonObject valueJson = new JsonObject(); |
| for (Entry<String, JsonArray> entry : hostDetails.entrySet()) { |
| valueJson.add(entry.getKey(), entry.getValue()); |
| } |
| |
| outSB.append(String.format("There were errors on the following hosts: %s", |
| StringUtils.join(hosts, ", "))); |
| |
| JsonObject obj = new JsonObject(); |
| obj.add("hosts", hostJson); |
| obj.add("host_detail", valueJson); |
| |
| return obj.toString(); |
| } |
| |
| |
| |
| } |