| /* |
| * 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.chaos.remote |
| |
| /** |
| * Parses RHAT HA Clustat files pulled back over the network |
| */ |
| class Clustat { |
| |
| Node xml; |
| |
| Clustat(String source) { |
| xml = new XmlParser().parseText(source) |
| } |
| |
| /** |
| * ser |
| * @param service something like service:NameNodeService |
| * @return the owner |
| */ |
| Node serviceGroup(String service) { |
| NodeList groups = xml.groups |
| def found = groups.group.findAll { it.@name == service} |
| if (found.empty) { |
| return null |
| } |
| Node serviceGroup = found[0] |
| return serviceGroup |
| } |
| |
| String hostRunningService(String service) { |
| Node serviceGroup = serviceGroup("service:NameNodeService") |
| return serviceGroup?.@owner |
| } |
| |
| /** |
| * Get all the nodes in the cluster |
| * @return the XML nodes element; every node is an elt underneath with @name==server |
| */ |
| NodeList clusterNodes() { |
| return xml.nodes.node |
| } |
| |
| Node clusterNode(String name) { |
| def all = clusterNodes() findAll { it.@name == name} |
| return all.size() > 0 ? all[0] : null |
| } |
| |
| } |