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<div id="overview"><a href="../../../../../testapidocs/org/apache/hadoop/hbase/DistributedHBaseCluster.html">View Javadoc</a></div><pre>
<a class="jxr_linenumber" name="1" href="#1">1</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="2" href="#2">2</a> <em class="jxr_javadoccomment"> * Licensed to the Apache Software Foundation (ASF) under one</em>
<a class="jxr_linenumber" name="3" href="#3">3</a> <em class="jxr_javadoccomment"> * or more contributor license agreements. See the NOTICE file</em>
<a class="jxr_linenumber" name="4" href="#4">4</a> <em class="jxr_javadoccomment"> * distributed with this work for additional information</em>
<a class="jxr_linenumber" name="5" href="#5">5</a> <em class="jxr_javadoccomment"> * regarding copyright ownership. The ASF licenses this file</em>
<a class="jxr_linenumber" name="6" href="#6">6</a> <em class="jxr_javadoccomment"> * to you under the Apache License, Version 2.0 (the</em>
<a class="jxr_linenumber" name="7" href="#7">7</a> <em class="jxr_javadoccomment"> * "License"); you may not use this file except in compliance</em>
<a class="jxr_linenumber" name="8" href="#8">8</a> <em class="jxr_javadoccomment"> * with the License. You may obtain a copy of the License at</em>
<a class="jxr_linenumber" name="9" href="#9">9</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="10" href="#10">10</a> <em class="jxr_javadoccomment"> * <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="11" href="#11">11</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="12" href="#12">12</a> <em class="jxr_javadoccomment"> * Unless required by applicable law or agreed to in writing, software</em>
<a class="jxr_linenumber" name="13" href="#13">13</a> <em class="jxr_javadoccomment"> * distributed under the License is distributed on an "AS IS" BASIS,</em>
<a class="jxr_linenumber" name="14" href="#14">14</a> <em class="jxr_javadoccomment"> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.</em>
<a class="jxr_linenumber" name="15" href="#15">15</a> <em class="jxr_javadoccomment"> * See the License for the specific language governing permissions and</em>
<a class="jxr_linenumber" name="16" href="#16">16</a> <em class="jxr_javadoccomment"> * limitations under the License.</em>
<a class="jxr_linenumber" name="17" href="#17">17</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="18" href="#18">18</a> <strong class="jxr_keyword">package</strong> org.apache.hadoop.hbase;
<a class="jxr_linenumber" name="19" href="#19">19</a>
<a class="jxr_linenumber" name="20" href="#20">20</a> <strong class="jxr_keyword">import</strong> java.io.IOException;
<a class="jxr_linenumber" name="21" href="#21">21</a> <strong class="jxr_keyword">import</strong> java.util.ArrayList;
<a class="jxr_linenumber" name="22" href="#22">22</a> <strong class="jxr_keyword">import</strong> java.util.Comparator;
<a class="jxr_linenumber" name="23" href="#23">23</a> <strong class="jxr_keyword">import</strong> java.util.List;
<a class="jxr_linenumber" name="24" href="#24">24</a> <strong class="jxr_keyword">import</strong> java.util.Set;
<a class="jxr_linenumber" name="25" href="#25">25</a> <strong class="jxr_keyword">import</strong> java.util.TreeSet;
<a class="jxr_linenumber" name="26" href="#26">26</a>
<a class="jxr_linenumber" name="27" href="#27">27</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.conf.Configuration;
<a class="jxr_linenumber" name="28" href="#28">28</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.ClusterManager.ServiceType;
<a class="jxr_linenumber" name="29" href="#29">29</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.classification.InterfaceAudience;
<a class="jxr_linenumber" name="30" href="#30">30</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.Admin;
<a class="jxr_linenumber" name="31" href="#31">31</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.ClusterConnection;
<a class="jxr_linenumber" name="32" href="#32">32</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.Connection;
<a class="jxr_linenumber" name="33" href="#33">33</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.ConnectionFactory;
<a class="jxr_linenumber" name="34" href="#34">34</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.client.RegionLocator;
<a class="jxr_linenumber" name="35" href="#35">35</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.protobuf.ProtobufUtil;
<a class="jxr_linenumber" name="36" href="#36">36</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.protobuf.generated.AdminProtos;
<a class="jxr_linenumber" name="37" href="#37">37</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.protobuf.generated.AdminProtos.ServerInfo;
<a class="jxr_linenumber" name="38" href="#38">38</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.protobuf.generated.ClientProtos;
<a class="jxr_linenumber" name="39" href="#39">39</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.protobuf.generated.MasterProtos.MasterService;
<a class="jxr_linenumber" name="40" href="#40">40</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.util.Bytes;
<a class="jxr_linenumber" name="41" href="#41">41</a> <strong class="jxr_keyword">import</strong> org.apache.hadoop.hbase.util.Threads;
<a class="jxr_linenumber" name="42" href="#42">42</a>
<a class="jxr_linenumber" name="43" href="#43">43</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="44" href="#44">44</a> <em class="jxr_javadoccomment"> * Manages the interactions with an already deployed distributed cluster (as opposed to</em>
<a class="jxr_linenumber" name="45" href="#45">45</a> <em class="jxr_javadoccomment"> * a pseudo-distributed, or mini/local cluster). This is used by integration and system tests.</em>
<a class="jxr_linenumber" name="46" href="#46">46</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="47" href="#47">47</a> @InterfaceAudience.Private
<a class="jxr_linenumber" name="48" href="#48">48</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/hadoop/hbase/DistributedHBaseCluster.html">DistributedHBaseCluster</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../org/apache/hadoop/hbase/HBaseCluster.html">HBaseCluster</a> {
<a class="jxr_linenumber" name="49" href="#49">49</a> <strong class="jxr_keyword">private</strong> Admin admin;
<a class="jxr_linenumber" name="50" href="#50">50</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">final</strong> Connection connection;
<a class="jxr_linenumber" name="51" href="#51">51</a>
<a class="jxr_linenumber" name="52" href="#52">52</a> <strong class="jxr_keyword">private</strong> <a href="../../../../org/apache/hadoop/hbase/ClusterManager.html">ClusterManager</a> clusterManager;
<a class="jxr_linenumber" name="53" href="#53">53</a>
<a class="jxr_linenumber" name="54" href="#54">54</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/hadoop/hbase/DistributedHBaseCluster.html">DistributedHBaseCluster</a>(Configuration conf, <a href="../../../../org/apache/hadoop/hbase/ClusterManager.html">ClusterManager</a> clusterManager)
<a class="jxr_linenumber" name="55" href="#55">55</a> <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="56" href="#56">56</a> <strong class="jxr_keyword">super</strong>(conf);
<a class="jxr_linenumber" name="57" href="#57">57</a> <strong class="jxr_keyword">this</strong>.clusterManager = clusterManager;
<a class="jxr_linenumber" name="58" href="#58">58</a> <strong class="jxr_keyword">this</strong>.connection = ConnectionFactory.createConnection(conf);
<a class="jxr_linenumber" name="59" href="#59">59</a> <strong class="jxr_keyword">this</strong>.admin = <strong class="jxr_keyword">this</strong>.connection.getAdmin();
<a class="jxr_linenumber" name="60" href="#60">60</a> <strong class="jxr_keyword">this</strong>.initialClusterStatus = getClusterStatus();
<a class="jxr_linenumber" name="61" href="#61">61</a> }
<a class="jxr_linenumber" name="62" href="#62">62</a>
<a class="jxr_linenumber" name="63" href="#63">63</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> setClusterManager(<a href="../../../../org/apache/hadoop/hbase/ClusterManager.html">ClusterManager</a> clusterManager) {
<a class="jxr_linenumber" name="64" href="#64">64</a> <strong class="jxr_keyword">this</strong>.clusterManager = clusterManager;
<a class="jxr_linenumber" name="65" href="#65">65</a> }
<a class="jxr_linenumber" name="66" href="#66">66</a>
<a class="jxr_linenumber" name="67" href="#67">67</a> <strong class="jxr_keyword">public</strong> <a href="../../../../org/apache/hadoop/hbase/ClusterManager.html">ClusterManager</a> getClusterManager() {
<a class="jxr_linenumber" name="68" href="#68">68</a> <strong class="jxr_keyword">return</strong> clusterManager;
<a class="jxr_linenumber" name="69" href="#69">69</a> }
<a class="jxr_linenumber" name="70" href="#70">70</a>
<a class="jxr_linenumber" name="71" href="#71">71</a> <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="72" href="#72">72</a> <em class="jxr_javadoccomment"> * Returns a ClusterStatus for this HBase cluster</em>
<a class="jxr_linenumber" name="73" href="#73">73</a> <em class="jxr_javadoccomment"> * @throws IOException</em>
<a class="jxr_linenumber" name="74" href="#74">74</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="75" href="#75">75</a> @Override
<a class="jxr_linenumber" name="76" href="#76">76</a> <strong class="jxr_keyword">public</strong> ClusterStatus getClusterStatus() <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="77" href="#77">77</a> <strong class="jxr_keyword">return</strong> admin.getClusterStatus();
<a class="jxr_linenumber" name="78" href="#78">78</a> }
<a class="jxr_linenumber" name="79" href="#79">79</a>
<a class="jxr_linenumber" name="80" href="#80">80</a> @Override
<a class="jxr_linenumber" name="81" href="#81">81</a> <strong class="jxr_keyword">public</strong> ClusterStatus getInitialClusterStatus() <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="82" href="#82">82</a> <strong class="jxr_keyword">return</strong> initialClusterStatus;
<a class="jxr_linenumber" name="83" href="#83">83</a> }
<a class="jxr_linenumber" name="84" href="#84">84</a>
<a class="jxr_linenumber" name="85" href="#85">85</a> @Override
<a class="jxr_linenumber" name="86" href="#86">86</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> close() <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="87" href="#87">87</a> <strong class="jxr_keyword">if</strong> (<strong class="jxr_keyword">this</strong>.admin != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="88" href="#88">88</a> admin.close();
<a class="jxr_linenumber" name="89" href="#89">89</a> }
<a class="jxr_linenumber" name="90" href="#90">90</a> <strong class="jxr_keyword">if</strong> (<strong class="jxr_keyword">this</strong>.connection != <strong class="jxr_keyword">null</strong> &amp;&amp; !<strong class="jxr_keyword">this</strong>.connection.isClosed()) {
<a class="jxr_linenumber" name="91" href="#91">91</a> <strong class="jxr_keyword">this</strong>.connection.close();
<a class="jxr_linenumber" name="92" href="#92">92</a> }
<a class="jxr_linenumber" name="93" href="#93">93</a> }
<a class="jxr_linenumber" name="94" href="#94">94</a>
<a class="jxr_linenumber" name="95" href="#95">95</a> @Override
<a class="jxr_linenumber" name="96" href="#96">96</a> <strong class="jxr_keyword">public</strong> AdminProtos.AdminService.BlockingInterface getAdminProtocol(ServerName serverName)
<a class="jxr_linenumber" name="97" href="#97">97</a> <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="98" href="#98">98</a> <strong class="jxr_keyword">return</strong> ((ClusterConnection)<strong class="jxr_keyword">this</strong>.connection).getAdmin(serverName);
<a class="jxr_linenumber" name="99" href="#99">99</a> }
<a class="jxr_linenumber" name="100" href="#100">100</a>
<a class="jxr_linenumber" name="101" href="#101">101</a> @Override
<a class="jxr_linenumber" name="102" href="#102">102</a> <strong class="jxr_keyword">public</strong> ClientProtos.ClientService.BlockingInterface getClientProtocol(ServerName serverName)
<a class="jxr_linenumber" name="103" href="#103">103</a> <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="104" href="#104">104</a> <strong class="jxr_keyword">return</strong> ((ClusterConnection)<strong class="jxr_keyword">this</strong>.connection).getClient(serverName);
<a class="jxr_linenumber" name="105" href="#105">105</a> }
<a class="jxr_linenumber" name="106" href="#106">106</a>
<a class="jxr_linenumber" name="107" href="#107">107</a> @Override
<a class="jxr_linenumber" name="108" href="#108">108</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> startRegionServer(String hostname, <strong class="jxr_keyword">int</strong> port) <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="109" href="#109">109</a> LOG.info(<span class="jxr_string">"Starting RS on: "</span> + hostname);
<a class="jxr_linenumber" name="110" href="#110">110</a> clusterManager.start(ServiceType.HBASE_REGIONSERVER, hostname, port);
<a class="jxr_linenumber" name="111" href="#111">111</a> }
<a class="jxr_linenumber" name="112" href="#112">112</a>
<a class="jxr_linenumber" name="113" href="#113">113</a> @Override
<a class="jxr_linenumber" name="114" href="#114">114</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> killRegionServer(ServerName serverName) <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="115" href="#115">115</a> LOG.info(<span class="jxr_string">"Aborting RS: "</span> + serverName.getServerName());
<a class="jxr_linenumber" name="116" href="#116">116</a> clusterManager.kill(ServiceType.HBASE_REGIONSERVER,
<a class="jxr_linenumber" name="117" href="#117">117</a> serverName.getHostname(), serverName.getPort());
<a class="jxr_linenumber" name="118" href="#118">118</a> }
<a class="jxr_linenumber" name="119" href="#119">119</a>
<a class="jxr_linenumber" name="120" href="#120">120</a> @Override
<a class="jxr_linenumber" name="121" href="#121">121</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> stopRegionServer(ServerName serverName) <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="122" href="#122">122</a> LOG.info(<span class="jxr_string">"Stopping RS: "</span> + serverName.getServerName());
<a class="jxr_linenumber" name="123" href="#123">123</a> clusterManager.stop(ServiceType.HBASE_REGIONSERVER,
<a class="jxr_linenumber" name="124" href="#124">124</a> serverName.getHostname(), serverName.getPort());
<a class="jxr_linenumber" name="125" href="#125">125</a> }
<a class="jxr_linenumber" name="126" href="#126">126</a>
<a class="jxr_linenumber" name="127" href="#127">127</a> @Override
<a class="jxr_linenumber" name="128" href="#128">128</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> waitForRegionServerToStop(ServerName serverName, <strong class="jxr_keyword">long</strong> timeout) <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="129" href="#129">129</a> waitForServiceToStop(ServiceType.HBASE_REGIONSERVER, serverName, timeout);
<a class="jxr_linenumber" name="130" href="#130">130</a> }
<a class="jxr_linenumber" name="131" href="#131">131</a>
<a class="jxr_linenumber" name="132" href="#132">132</a> @Override
<a class="jxr_linenumber" name="133" href="#133">133</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> startZkNode(String hostname, <strong class="jxr_keyword">int</strong> port) <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="134" href="#134">134</a> LOG.info(<span class="jxr_string">"Starting Zookeeper node on: "</span> + hostname);
<a class="jxr_linenumber" name="135" href="#135">135</a> clusterManager.start(ServiceType.ZOOKEEPER_SERVER, hostname, port);
<a class="jxr_linenumber" name="136" href="#136">136</a> }
<a class="jxr_linenumber" name="137" href="#137">137</a>
<a class="jxr_linenumber" name="138" href="#138">138</a> @Override
<a class="jxr_linenumber" name="139" href="#139">139</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> killZkNode(ServerName serverName) <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="140" href="#140">140</a> LOG.info(<span class="jxr_string">"Aborting Zookeeper node on: "</span> + serverName.getServerName());
<a class="jxr_linenumber" name="141" href="#141">141</a> clusterManager.kill(ServiceType.ZOOKEEPER_SERVER,
<a class="jxr_linenumber" name="142" href="#142">142</a> serverName.getHostname(), serverName.getPort());
<a class="jxr_linenumber" name="143" href="#143">143</a> }
<a class="jxr_linenumber" name="144" href="#144">144</a>
<a class="jxr_linenumber" name="145" href="#145">145</a> @Override
<a class="jxr_linenumber" name="146" href="#146">146</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> stopZkNode(ServerName serverName) <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="147" href="#147">147</a> LOG.info(<span class="jxr_string">"Stopping Zookeeper node: "</span> + serverName.getServerName());
<a class="jxr_linenumber" name="148" href="#148">148</a> clusterManager.stop(ServiceType.ZOOKEEPER_SERVER,
<a class="jxr_linenumber" name="149" href="#149">149</a> serverName.getHostname(), serverName.getPort());
<a class="jxr_linenumber" name="150" href="#150">150</a> }
<a class="jxr_linenumber" name="151" href="#151">151</a>
<a class="jxr_linenumber" name="152" href="#152">152</a> @Override
<a class="jxr_linenumber" name="153" href="#153">153</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> waitForZkNodeToStart(ServerName serverName, <strong class="jxr_keyword">long</strong> timeout) <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="154" href="#154">154</a> waitForServiceToStart(ServiceType.ZOOKEEPER_SERVER, serverName, timeout);
<a class="jxr_linenumber" name="155" href="#155">155</a> }
<a class="jxr_linenumber" name="156" href="#156">156</a>
<a class="jxr_linenumber" name="157" href="#157">157</a> @Override
<a class="jxr_linenumber" name="158" href="#158">158</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> waitForZkNodeToStop(ServerName serverName, <strong class="jxr_keyword">long</strong> timeout) <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="159" href="#159">159</a> waitForServiceToStop(ServiceType.ZOOKEEPER_SERVER, serverName, timeout);
<a class="jxr_linenumber" name="160" href="#160">160</a> }
<a class="jxr_linenumber" name="161" href="#161">161</a>
<a class="jxr_linenumber" name="162" href="#162">162</a> @Override
<a class="jxr_linenumber" name="163" href="#163">163</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> startDataNode(ServerName serverName) <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="164" href="#164">164</a> LOG.info(<span class="jxr_string">"Starting data node on: "</span> + serverName.getServerName());
<a class="jxr_linenumber" name="165" href="#165">165</a> clusterManager.start(ServiceType.HADOOP_DATANODE,
<a class="jxr_linenumber" name="166" href="#166">166</a> serverName.getHostname(), serverName.getPort());
<a class="jxr_linenumber" name="167" href="#167">167</a> }
<a class="jxr_linenumber" name="168" href="#168">168</a>
<a class="jxr_linenumber" name="169" href="#169">169</a> @Override
<a class="jxr_linenumber" name="170" href="#170">170</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> killDataNode(ServerName serverName) <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="171" href="#171">171</a> LOG.info(<span class="jxr_string">"Aborting data node on: "</span> + serverName.getServerName());
<a class="jxr_linenumber" name="172" href="#172">172</a> clusterManager.kill(ServiceType.HADOOP_DATANODE,
<a class="jxr_linenumber" name="173" href="#173">173</a> serverName.getHostname(), serverName.getPort());
<a class="jxr_linenumber" name="174" href="#174">174</a> }
<a class="jxr_linenumber" name="175" href="#175">175</a>
<a class="jxr_linenumber" name="176" href="#176">176</a> @Override
<a class="jxr_linenumber" name="177" href="#177">177</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> stopDataNode(ServerName serverName) <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="178" href="#178">178</a> LOG.info(<span class="jxr_string">"Stopping data node on: "</span> + serverName.getServerName());
<a class="jxr_linenumber" name="179" href="#179">179</a> clusterManager.stop(ServiceType.HADOOP_DATANODE,
<a class="jxr_linenumber" name="180" href="#180">180</a> serverName.getHostname(), serverName.getPort());
<a class="jxr_linenumber" name="181" href="#181">181</a> }
<a class="jxr_linenumber" name="182" href="#182">182</a>
<a class="jxr_linenumber" name="183" href="#183">183</a> @Override
<a class="jxr_linenumber" name="184" href="#184">184</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> waitForDataNodeToStart(ServerName serverName, <strong class="jxr_keyword">long</strong> timeout) <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="185" href="#185">185</a> waitForServiceToStart(ServiceType.HADOOP_DATANODE, serverName, timeout);
<a class="jxr_linenumber" name="186" href="#186">186</a> }
<a class="jxr_linenumber" name="187" href="#187">187</a>
<a class="jxr_linenumber" name="188" href="#188">188</a> @Override
<a class="jxr_linenumber" name="189" href="#189">189</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> waitForDataNodeToStop(ServerName serverName, <strong class="jxr_keyword">long</strong> timeout) <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="190" href="#190">190</a> waitForServiceToStop(ServiceType.HADOOP_DATANODE, serverName, timeout);
<a class="jxr_linenumber" name="191" href="#191">191</a> }
<a class="jxr_linenumber" name="192" href="#192">192</a>
<a class="jxr_linenumber" name="193" href="#193">193</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> waitForServiceToStop(<a href="../../../../org/apache/hadoop/hbase/ClusterManager.html">ServiceType</a> service, ServerName serverName, <strong class="jxr_keyword">long</strong> timeout)
<a class="jxr_linenumber" name="194" href="#194">194</a> <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="195" href="#195">195</a> LOG.info(<span class="jxr_string">"Waiting for service: "</span> + service + <span class="jxr_string">" to stop: "</span> + serverName.getServerName());
<a class="jxr_linenumber" name="196" href="#196">196</a> <strong class="jxr_keyword">long</strong> start = System.currentTimeMillis();
<a class="jxr_linenumber" name="197" href="#197">197</a>
<a class="jxr_linenumber" name="198" href="#198">198</a> <strong class="jxr_keyword">while</strong> ((System.currentTimeMillis() - start) &lt; timeout) {
<a class="jxr_linenumber" name="199" href="#199">199</a> <strong class="jxr_keyword">if</strong> (!clusterManager.isRunning(service, serverName.getHostname(), serverName.getPort())) {
<a class="jxr_linenumber" name="200" href="#200">200</a> <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="201" href="#201">201</a> }
<a class="jxr_linenumber" name="202" href="#202">202</a> Threads.sleep(100);
<a class="jxr_linenumber" name="203" href="#203">203</a> }
<a class="jxr_linenumber" name="204" href="#204">204</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"did timeout waiting for service to stop:"</span> + serverName);
<a class="jxr_linenumber" name="205" href="#205">205</a> }
<a class="jxr_linenumber" name="206" href="#206">206</a>
<a class="jxr_linenumber" name="207" href="#207">207</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">void</strong> waitForServiceToStart(<a href="../../../../org/apache/hadoop/hbase/ClusterManager.html">ServiceType</a> service, ServerName serverName, <strong class="jxr_keyword">long</strong> timeout)
<a class="jxr_linenumber" name="208" href="#208">208</a> <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="209" href="#209">209</a> LOG.info(<span class="jxr_string">"Waiting for service: "</span> + service + <span class="jxr_string">" to start: "</span> + serverName.getServerName());
<a class="jxr_linenumber" name="210" href="#210">210</a> <strong class="jxr_keyword">long</strong> start = System.currentTimeMillis();
<a class="jxr_linenumber" name="211" href="#211">211</a>
<a class="jxr_linenumber" name="212" href="#212">212</a> <strong class="jxr_keyword">while</strong> ((System.currentTimeMillis() - start) &lt; timeout) {
<a class="jxr_linenumber" name="213" href="#213">213</a> <strong class="jxr_keyword">if</strong> (clusterManager.isRunning(service, serverName.getHostname(), serverName.getPort())) {
<a class="jxr_linenumber" name="214" href="#214">214</a> <strong class="jxr_keyword">return</strong>;
<a class="jxr_linenumber" name="215" href="#215">215</a> }
<a class="jxr_linenumber" name="216" href="#216">216</a> Threads.sleep(100);
<a class="jxr_linenumber" name="217" href="#217">217</a> }
<a class="jxr_linenumber" name="218" href="#218">218</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IOException(<span class="jxr_string">"did timeout waiting for service to start:"</span> + serverName);
<a class="jxr_linenumber" name="219" href="#219">219</a> }
<a class="jxr_linenumber" name="220" href="#220">220</a>
<a class="jxr_linenumber" name="221" href="#221">221</a>
<a class="jxr_linenumber" name="222" href="#222">222</a> @Override
<a class="jxr_linenumber" name="223" href="#223">223</a> <strong class="jxr_keyword">public</strong> MasterService.BlockingInterface getMasterAdminService()
<a class="jxr_linenumber" name="224" href="#224">224</a> <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="225" href="#225">225</a> <strong class="jxr_keyword">return</strong> ((ClusterConnection)<strong class="jxr_keyword">this</strong>.connection).getMaster();
<a class="jxr_linenumber" name="226" href="#226">226</a> }
<a class="jxr_linenumber" name="227" href="#227">227</a>
<a class="jxr_linenumber" name="228" href="#228">228</a> @Override
<a class="jxr_linenumber" name="229" href="#229">229</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> startMaster(String hostname, <strong class="jxr_keyword">int</strong> port) <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="230" href="#230">230</a> LOG.info(<span class="jxr_string">"Starting Master on: "</span> + hostname + <span class="jxr_string">":"</span> + port);
<a class="jxr_linenumber" name="231" href="#231">231</a> clusterManager.start(ServiceType.HBASE_MASTER, hostname, port);
<a class="jxr_linenumber" name="232" href="#232">232</a> }
<a class="jxr_linenumber" name="233" href="#233">233</a>
<a class="jxr_linenumber" name="234" href="#234">234</a> @Override
<a class="jxr_linenumber" name="235" href="#235">235</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> killMaster(ServerName serverName) <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="236" href="#236">236</a> LOG.info(<span class="jxr_string">"Aborting Master: "</span> + serverName.getServerName());
<a class="jxr_linenumber" name="237" href="#237">237</a> clusterManager.kill(ServiceType.HBASE_MASTER, serverName.getHostname(), serverName.getPort());
<a class="jxr_linenumber" name="238" href="#238">238</a> }
<a class="jxr_linenumber" name="239" href="#239">239</a>
<a class="jxr_linenumber" name="240" href="#240">240</a> @Override
<a class="jxr_linenumber" name="241" href="#241">241</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> stopMaster(ServerName serverName) <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="242" href="#242">242</a> LOG.info(<span class="jxr_string">"Stopping Master: "</span> + serverName.getServerName());
<a class="jxr_linenumber" name="243" href="#243">243</a> clusterManager.stop(ServiceType.HBASE_MASTER, serverName.getHostname(), serverName.getPort());
<a class="jxr_linenumber" name="244" href="#244">244</a> }
<a class="jxr_linenumber" name="245" href="#245">245</a>
<a class="jxr_linenumber" name="246" href="#246">246</a> @Override
<a class="jxr_linenumber" name="247" href="#247">247</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> waitForMasterToStop(ServerName serverName, <strong class="jxr_keyword">long</strong> timeout) <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="248" href="#248">248</a> waitForServiceToStop(ServiceType.HBASE_MASTER, serverName, timeout);
<a class="jxr_linenumber" name="249" href="#249">249</a> }
<a class="jxr_linenumber" name="250" href="#250">250</a>
<a class="jxr_linenumber" name="251" href="#251">251</a> @Override
<a class="jxr_linenumber" name="252" href="#252">252</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> waitForActiveAndReadyMaster(<strong class="jxr_keyword">long</strong> timeout) <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="253" href="#253">253</a> <strong class="jxr_keyword">long</strong> start = System.currentTimeMillis();
<a class="jxr_linenumber" name="254" href="#254">254</a> <strong class="jxr_keyword">while</strong> (System.currentTimeMillis() - start &lt; timeout) {
<a class="jxr_linenumber" name="255" href="#255">255</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="256" href="#256">256</a> getMasterAdminService();
<a class="jxr_linenumber" name="257" href="#257">257</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="258" href="#258">258</a> } <strong class="jxr_keyword">catch</strong> (MasterNotRunningException m) {
<a class="jxr_linenumber" name="259" href="#259">259</a> LOG.warn(<span class="jxr_string">"Master not started yet "</span> + m);
<a class="jxr_linenumber" name="260" href="#260">260</a> } <strong class="jxr_keyword">catch</strong> (ZooKeeperConnectionException e) {
<a class="jxr_linenumber" name="261" href="#261">261</a> LOG.warn(<span class="jxr_string">"Failed to connect to ZK "</span> + e);
<a class="jxr_linenumber" name="262" href="#262">262</a> }
<a class="jxr_linenumber" name="263" href="#263">263</a> Threads.sleep(1000);
<a class="jxr_linenumber" name="264" href="#264">264</a> }
<a class="jxr_linenumber" name="265" href="#265">265</a> <strong class="jxr_keyword">return</strong> false;
<a class="jxr_linenumber" name="266" href="#266">266</a> }
<a class="jxr_linenumber" name="267" href="#267">267</a>
<a class="jxr_linenumber" name="268" href="#268">268</a> @Override
<a class="jxr_linenumber" name="269" href="#269">269</a> <strong class="jxr_keyword">public</strong> ServerName getServerHoldingRegion(TableName tn, byte[] regionName) <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="270" href="#270">270</a> HRegionLocation regionLoc = <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="271" href="#271">271</a> <strong class="jxr_keyword">try</strong> (RegionLocator locator = connection.getRegionLocator(tn)) {
<a class="jxr_linenumber" name="272" href="#272">272</a> regionLoc = locator.getRegionLocation(regionName);
<a class="jxr_linenumber" name="273" href="#273">273</a> }
<a class="jxr_linenumber" name="274" href="#274">274</a> <strong class="jxr_keyword">if</strong> (regionLoc == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="275" href="#275">275</a> LOG.warn(<span class="jxr_string">"Cannot find region server holding region "</span> + Bytes.toString(regionName) +
<a class="jxr_linenumber" name="276" href="#276">276</a> <span class="jxr_string">", start key ["</span> + Bytes.toString(HRegionInfo.getStartKey(regionName)) + <span class="jxr_string">"]"</span>);
<a class="jxr_linenumber" name="277" href="#277">277</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">null</strong>;
<a class="jxr_linenumber" name="278" href="#278">278</a> }
<a class="jxr_linenumber" name="279" href="#279">279</a>
<a class="jxr_linenumber" name="280" href="#280">280</a> AdminProtos.AdminService.BlockingInterface client =
<a class="jxr_linenumber" name="281" href="#281">281</a> ((ClusterConnection)<strong class="jxr_keyword">this</strong>.connection).getAdmin(regionLoc.getServerName());
<a class="jxr_linenumber" name="282" href="#282">282</a> ServerInfo info = ProtobufUtil.getServerInfo(<strong class="jxr_keyword">null</strong>, client);
<a class="jxr_linenumber" name="283" href="#283">283</a> <strong class="jxr_keyword">return</strong> ProtobufUtil.toServerName(info.getServerName());
<a class="jxr_linenumber" name="284" href="#284">284</a> }
<a class="jxr_linenumber" name="285" href="#285">285</a>
<a class="jxr_linenumber" name="286" href="#286">286</a> @Override
<a class="jxr_linenumber" name="287" href="#287">287</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> waitUntilShutDown() {
<a class="jxr_linenumber" name="288" href="#288">288</a> <em class="jxr_comment">// Simply wait for a few seconds for now (after issuing serverManager.kill</em>
<a class="jxr_linenumber" name="289" href="#289">289</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> RuntimeException(<span class="jxr_string">"Not implemented yet"</span>);
<a class="jxr_linenumber" name="290" href="#290">290</a> }
<a class="jxr_linenumber" name="291" href="#291">291</a>
<a class="jxr_linenumber" name="292" href="#292">292</a> @Override
<a class="jxr_linenumber" name="293" href="#293">293</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> shutdown() <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="294" href="#294">294</a> <em class="jxr_comment">// not sure we want this</em>
<a class="jxr_linenumber" name="295" href="#295">295</a> <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> RuntimeException(<span class="jxr_string">"Not implemented yet"</span>);
<a class="jxr_linenumber" name="296" href="#296">296</a> }
<a class="jxr_linenumber" name="297" href="#297">297</a>
<a class="jxr_linenumber" name="298" href="#298">298</a> @Override
<a class="jxr_linenumber" name="299" href="#299">299</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> isDistributedCluster() {
<a class="jxr_linenumber" name="300" href="#300">300</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="301" href="#301">301</a> }
<a class="jxr_linenumber" name="302" href="#302">302</a>
<a class="jxr_linenumber" name="303" href="#303">303</a> @Override
<a class="jxr_linenumber" name="304" href="#304">304</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">boolean</strong> restoreClusterStatus(ClusterStatus initial) <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="305" href="#305">305</a> ClusterStatus current = getClusterStatus();
<a class="jxr_linenumber" name="306" href="#306">306</a>
<a class="jxr_linenumber" name="307" href="#307">307</a> LOG.info(<span class="jxr_string">"Restoring cluster - started"</span>);
<a class="jxr_linenumber" name="308" href="#308">308</a>
<a class="jxr_linenumber" name="309" href="#309">309</a> <em class="jxr_comment">// do a best effort restore</em>
<a class="jxr_linenumber" name="310" href="#310">310</a> <strong class="jxr_keyword">boolean</strong> success = <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="311" href="#311">311</a> success = restoreMasters(initial, current) &amp; success;
<a class="jxr_linenumber" name="312" href="#312">312</a> success = restoreRegionServers(initial, current) &amp; success;
<a class="jxr_linenumber" name="313" href="#313">313</a> success = restoreAdmin() &amp; success;
<a class="jxr_linenumber" name="314" href="#314">314</a>
<a class="jxr_linenumber" name="315" href="#315">315</a> LOG.info(<span class="jxr_string">"Restoring cluster - done"</span>);
<a class="jxr_linenumber" name="316" href="#316">316</a> <strong class="jxr_keyword">return</strong> success;
<a class="jxr_linenumber" name="317" href="#317">317</a> }
<a class="jxr_linenumber" name="318" href="#318">318</a>
<a class="jxr_linenumber" name="319" href="#319">319</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">boolean</strong> restoreMasters(ClusterStatus initial, ClusterStatus current) {
<a class="jxr_linenumber" name="320" href="#320">320</a> List&lt;IOException&gt; deferred = <strong class="jxr_keyword">new</strong> ArrayList&lt;IOException&gt;();
<a class="jxr_linenumber" name="321" href="#321">321</a> <em class="jxr_comment">//check whether current master has changed</em>
<a class="jxr_linenumber" name="322" href="#322">322</a> <strong class="jxr_keyword">final</strong> ServerName initMaster = initial.getMaster();
<a class="jxr_linenumber" name="323" href="#323">323</a> <strong class="jxr_keyword">if</strong> (!ServerName.isSameHostnameAndPort(initMaster, current.getMaster())) {
<a class="jxr_linenumber" name="324" href="#324">324</a> LOG.info(<span class="jxr_string">"Restoring cluster - Initial active master : "</span>
<a class="jxr_linenumber" name="325" href="#325">325</a> + initMaster.getHostAndPort()
<a class="jxr_linenumber" name="326" href="#326">326</a> + <span class="jxr_string">" has changed to : "</span>
<a class="jxr_linenumber" name="327" href="#327">327</a> + current.getMaster().getHostAndPort());
<a class="jxr_linenumber" name="328" href="#328">328</a> <em class="jxr_comment">// If initial master is stopped, start it, before restoring the state.</em>
<a class="jxr_linenumber" name="329" href="#329">329</a> <em class="jxr_comment">// It will come up as a backup master, if there is already an active master.</em>
<a class="jxr_linenumber" name="330" href="#330">330</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="331" href="#331">331</a> <strong class="jxr_keyword">if</strong> (!clusterManager.isRunning(ServiceType.HBASE_MASTER,
<a class="jxr_linenumber" name="332" href="#332">332</a> initMaster.getHostname(), initMaster.getPort())) {
<a class="jxr_linenumber" name="333" href="#333">333</a> LOG.info(<span class="jxr_string">"Restoring cluster - starting initial active master at:"</span>
<a class="jxr_linenumber" name="334" href="#334">334</a> + initMaster.getHostAndPort());
<a class="jxr_linenumber" name="335" href="#335">335</a> startMaster(initMaster.getHostname(), initMaster.getPort());
<a class="jxr_linenumber" name="336" href="#336">336</a> }
<a class="jxr_linenumber" name="337" href="#337">337</a>
<a class="jxr_linenumber" name="338" href="#338">338</a> <em class="jxr_comment">// master has changed, we would like to undo this.</em>
<a class="jxr_linenumber" name="339" href="#339">339</a> <em class="jxr_comment">// 1. Kill the current backups</em>
<a class="jxr_linenumber" name="340" href="#340">340</a> <em class="jxr_comment">// 2. Stop current master</em>
<a class="jxr_linenumber" name="341" href="#341">341</a> <em class="jxr_comment">// 3. Start backup masters</em>
<a class="jxr_linenumber" name="342" href="#342">342</a> <strong class="jxr_keyword">for</strong> (ServerName currentBackup : current.getBackupMasters()) {
<a class="jxr_linenumber" name="343" href="#343">343</a> <strong class="jxr_keyword">if</strong> (!ServerName.isSameHostnameAndPort(currentBackup, initMaster)) {
<a class="jxr_linenumber" name="344" href="#344">344</a> LOG.info(<span class="jxr_string">"Restoring cluster - stopping backup master: "</span> + currentBackup);
<a class="jxr_linenumber" name="345" href="#345">345</a> stopMaster(currentBackup);
<a class="jxr_linenumber" name="346" href="#346">346</a> }
<a class="jxr_linenumber" name="347" href="#347">347</a> }
<a class="jxr_linenumber" name="348" href="#348">348</a> LOG.info(<span class="jxr_string">"Restoring cluster - stopping active master: "</span> + current.getMaster());
<a class="jxr_linenumber" name="349" href="#349">349</a> stopMaster(current.getMaster());
<a class="jxr_linenumber" name="350" href="#350">350</a> waitForActiveAndReadyMaster(); <em class="jxr_comment">// wait so that active master takes over</em>
<a class="jxr_linenumber" name="351" href="#351">351</a> } <strong class="jxr_keyword">catch</strong> (IOException ex) {
<a class="jxr_linenumber" name="352" href="#352">352</a> <em class="jxr_comment">// if we fail to start the initial active master, we do not want to continue stopping</em>
<a class="jxr_linenumber" name="353" href="#353">353</a> <em class="jxr_comment">// backup masters. Just keep what we have now</em>
<a class="jxr_linenumber" name="354" href="#354">354</a> deferred.add(ex);
<a class="jxr_linenumber" name="355" href="#355">355</a> }
<a class="jxr_linenumber" name="356" href="#356">356</a>
<a class="jxr_linenumber" name="357" href="#357">357</a> <em class="jxr_comment">//start backup masters</em>
<a class="jxr_linenumber" name="358" href="#358">358</a> <strong class="jxr_keyword">for</strong> (ServerName backup : initial.getBackupMasters()) {
<a class="jxr_linenumber" name="359" href="#359">359</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="360" href="#360">360</a> <em class="jxr_comment">//these are not started in backup mode, but we should already have an active master</em>
<a class="jxr_linenumber" name="361" href="#361">361</a> <strong class="jxr_keyword">if</strong> (!clusterManager.isRunning(ServiceType.HBASE_MASTER,
<a class="jxr_linenumber" name="362" href="#362">362</a> backup.getHostname(),
<a class="jxr_linenumber" name="363" href="#363">363</a> backup.getPort())) {
<a class="jxr_linenumber" name="364" href="#364">364</a> LOG.info(<span class="jxr_string">"Restoring cluster - starting initial backup master: "</span>
<a class="jxr_linenumber" name="365" href="#365">365</a> + backup.getHostAndPort());
<a class="jxr_linenumber" name="366" href="#366">366</a> startMaster(backup.getHostname(), backup.getPort());
<a class="jxr_linenumber" name="367" href="#367">367</a> }
<a class="jxr_linenumber" name="368" href="#368">368</a> } <strong class="jxr_keyword">catch</strong> (IOException ex) {
<a class="jxr_linenumber" name="369" href="#369">369</a> deferred.add(ex);
<a class="jxr_linenumber" name="370" href="#370">370</a> }
<a class="jxr_linenumber" name="371" href="#371">371</a> }
<a class="jxr_linenumber" name="372" href="#372">372</a> } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="373" href="#373">373</a> <em class="jxr_comment">//current master has not changed, match up backup masters</em>
<a class="jxr_linenumber" name="374" href="#374">374</a> Set&lt;ServerName&gt; toStart = <strong class="jxr_keyword">new</strong> TreeSet&lt;ServerName&gt;(<strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/hadoop/hbase/DistributedHBaseCluster.html">ServerNameIgnoreStartCodeComparator</a>());
<a class="jxr_linenumber" name="375" href="#375">375</a> Set&lt;ServerName&gt; toKill = <strong class="jxr_keyword">new</strong> TreeSet&lt;ServerName&gt;(<strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/hadoop/hbase/DistributedHBaseCluster.html">ServerNameIgnoreStartCodeComparator</a>());
<a class="jxr_linenumber" name="376" href="#376">376</a> toStart.addAll(initial.getBackupMasters());
<a class="jxr_linenumber" name="377" href="#377">377</a> toKill.addAll(current.getBackupMasters());
<a class="jxr_linenumber" name="378" href="#378">378</a>
<a class="jxr_linenumber" name="379" href="#379">379</a> <strong class="jxr_keyword">for</strong> (ServerName server : current.getBackupMasters()) {
<a class="jxr_linenumber" name="380" href="#380">380</a> toStart.remove(server);
<a class="jxr_linenumber" name="381" href="#381">381</a> }
<a class="jxr_linenumber" name="382" href="#382">382</a> <strong class="jxr_keyword">for</strong> (ServerName server: initial.getBackupMasters()) {
<a class="jxr_linenumber" name="383" href="#383">383</a> toKill.remove(server);
<a class="jxr_linenumber" name="384" href="#384">384</a> }
<a class="jxr_linenumber" name="385" href="#385">385</a>
<a class="jxr_linenumber" name="386" href="#386">386</a> <strong class="jxr_keyword">for</strong> (ServerName sn:toStart) {
<a class="jxr_linenumber" name="387" href="#387">387</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="388" href="#388">388</a> <strong class="jxr_keyword">if</strong>(!clusterManager.isRunning(ServiceType.HBASE_MASTER, sn.getHostname(), sn.getPort())) {
<a class="jxr_linenumber" name="389" href="#389">389</a> LOG.info(<span class="jxr_string">"Restoring cluster - starting initial backup master: "</span> + sn.getHostAndPort());
<a class="jxr_linenumber" name="390" href="#390">390</a> startMaster(sn.getHostname(), sn.getPort());
<a class="jxr_linenumber" name="391" href="#391">391</a> }
<a class="jxr_linenumber" name="392" href="#392">392</a> } <strong class="jxr_keyword">catch</strong> (IOException ex) {
<a class="jxr_linenumber" name="393" href="#393">393</a> deferred.add(ex);
<a class="jxr_linenumber" name="394" href="#394">394</a> }
<a class="jxr_linenumber" name="395" href="#395">395</a> }
<a class="jxr_linenumber" name="396" href="#396">396</a>
<a class="jxr_linenumber" name="397" href="#397">397</a> <strong class="jxr_keyword">for</strong> (ServerName sn:toKill) {
<a class="jxr_linenumber" name="398" href="#398">398</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="399" href="#399">399</a> <strong class="jxr_keyword">if</strong>(clusterManager.isRunning(ServiceType.HBASE_MASTER, sn.getHostname(), sn.getPort())) {
<a class="jxr_linenumber" name="400" href="#400">400</a> LOG.info(<span class="jxr_string">"Restoring cluster - stopping backup master: "</span> + sn.getHostAndPort());
<a class="jxr_linenumber" name="401" href="#401">401</a> stopMaster(sn);
<a class="jxr_linenumber" name="402" href="#402">402</a> }
<a class="jxr_linenumber" name="403" href="#403">403</a> } <strong class="jxr_keyword">catch</strong> (IOException ex) {
<a class="jxr_linenumber" name="404" href="#404">404</a> deferred.add(ex);
<a class="jxr_linenumber" name="405" href="#405">405</a> }
<a class="jxr_linenumber" name="406" href="#406">406</a> }
<a class="jxr_linenumber" name="407" href="#407">407</a> }
<a class="jxr_linenumber" name="408" href="#408">408</a> <strong class="jxr_keyword">if</strong> (!deferred.isEmpty()) {
<a class="jxr_linenumber" name="409" href="#409">409</a> LOG.warn(<span class="jxr_string">"Restoring cluster - restoring region servers reported "</span>
<a class="jxr_linenumber" name="410" href="#410">410</a> + deferred.size() + <span class="jxr_string">" errors:"</span>);
<a class="jxr_linenumber" name="411" href="#411">411</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i=0; i&lt;deferred.size() &amp;&amp; i &lt; 3; i++) {
<a class="jxr_linenumber" name="412" href="#412">412</a> LOG.warn(deferred.get(i));
<a class="jxr_linenumber" name="413" href="#413">413</a> }
<a class="jxr_linenumber" name="414" href="#414">414</a> }
<a class="jxr_linenumber" name="415" href="#415">415</a>
<a class="jxr_linenumber" name="416" href="#416">416</a> <strong class="jxr_keyword">return</strong> deferred.isEmpty();
<a class="jxr_linenumber" name="417" href="#417">417</a> }
<a class="jxr_linenumber" name="418" href="#418">418</a>
<a class="jxr_linenumber" name="419" href="#419">419</a>
<a class="jxr_linenumber" name="420" href="#420">420</a> <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/apache/hadoop/hbase/DistributedHBaseCluster.html">ServerNameIgnoreStartCodeComparator</a> <strong class="jxr_keyword">implements</strong> Comparator&lt;ServerName&gt; {
<a class="jxr_linenumber" name="421" href="#421">421</a> @Override
<a class="jxr_linenumber" name="422" href="#422">422</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">int</strong> compare(ServerName o1, ServerName o2) {
<a class="jxr_linenumber" name="423" href="#423">423</a> <strong class="jxr_keyword">int</strong> compare = o1.getHostname().compareToIgnoreCase(o2.getHostname());
<a class="jxr_linenumber" name="424" href="#424">424</a> <strong class="jxr_keyword">if</strong> (compare != 0) <strong class="jxr_keyword">return</strong> compare;
<a class="jxr_linenumber" name="425" href="#425">425</a> compare = o1.getPort() - o2.getPort();
<a class="jxr_linenumber" name="426" href="#426">426</a> <strong class="jxr_keyword">if</strong> (compare != 0) <strong class="jxr_keyword">return</strong> compare;
<a class="jxr_linenumber" name="427" href="#427">427</a> <strong class="jxr_keyword">return</strong> 0;
<a class="jxr_linenumber" name="428" href="#428">428</a> }
<a class="jxr_linenumber" name="429" href="#429">429</a> }
<a class="jxr_linenumber" name="430" href="#430">430</a>
<a class="jxr_linenumber" name="431" href="#431">431</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">boolean</strong> restoreRegionServers(ClusterStatus initial, ClusterStatus current) {
<a class="jxr_linenumber" name="432" href="#432">432</a> Set&lt;ServerName&gt; toStart = <strong class="jxr_keyword">new</strong> TreeSet&lt;ServerName&gt;(<strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/hadoop/hbase/DistributedHBaseCluster.html">ServerNameIgnoreStartCodeComparator</a>());
<a class="jxr_linenumber" name="433" href="#433">433</a> Set&lt;ServerName&gt; toKill = <strong class="jxr_keyword">new</strong> TreeSet&lt;ServerName&gt;(<strong class="jxr_keyword">new</strong> <a href="../../../../org/apache/hadoop/hbase/DistributedHBaseCluster.html">ServerNameIgnoreStartCodeComparator</a>());
<a class="jxr_linenumber" name="434" href="#434">434</a> toStart.addAll(initial.getServers());
<a class="jxr_linenumber" name="435" href="#435">435</a> toKill.addAll(current.getServers());
<a class="jxr_linenumber" name="436" href="#436">436</a>
<a class="jxr_linenumber" name="437" href="#437">437</a> <strong class="jxr_keyword">for</strong> (ServerName server : current.getServers()) {
<a class="jxr_linenumber" name="438" href="#438">438</a> toStart.remove(server);
<a class="jxr_linenumber" name="439" href="#439">439</a> }
<a class="jxr_linenumber" name="440" href="#440">440</a> <strong class="jxr_keyword">for</strong> (ServerName server: initial.getServers()) {
<a class="jxr_linenumber" name="441" href="#441">441</a> toKill.remove(server);
<a class="jxr_linenumber" name="442" href="#442">442</a> }
<a class="jxr_linenumber" name="443" href="#443">443</a>
<a class="jxr_linenumber" name="444" href="#444">444</a> List&lt;IOException&gt; deferred = <strong class="jxr_keyword">new</strong> ArrayList&lt;IOException&gt;();
<a class="jxr_linenumber" name="445" href="#445">445</a>
<a class="jxr_linenumber" name="446" href="#446">446</a> <strong class="jxr_keyword">for</strong>(ServerName sn:toStart) {
<a class="jxr_linenumber" name="447" href="#447">447</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="448" href="#448">448</a> <strong class="jxr_keyword">if</strong> (!clusterManager.isRunning(ServiceType.HBASE_REGIONSERVER,
<a class="jxr_linenumber" name="449" href="#449">449</a> sn.getHostname(),
<a class="jxr_linenumber" name="450" href="#450">450</a> sn.getPort())) {
<a class="jxr_linenumber" name="451" href="#451">451</a> LOG.info(<span class="jxr_string">"Restoring cluster - starting initial region server: "</span> + sn.getHostAndPort());
<a class="jxr_linenumber" name="452" href="#452">452</a> startRegionServer(sn.getHostname(), sn.getPort());
<a class="jxr_linenumber" name="453" href="#453">453</a> }
<a class="jxr_linenumber" name="454" href="#454">454</a> } <strong class="jxr_keyword">catch</strong> (IOException ex) {
<a class="jxr_linenumber" name="455" href="#455">455</a> deferred.add(ex);
<a class="jxr_linenumber" name="456" href="#456">456</a> }
<a class="jxr_linenumber" name="457" href="#457">457</a> }
<a class="jxr_linenumber" name="458" href="#458">458</a>
<a class="jxr_linenumber" name="459" href="#459">459</a> <strong class="jxr_keyword">for</strong>(ServerName sn:toKill) {
<a class="jxr_linenumber" name="460" href="#460">460</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="461" href="#461">461</a> <strong class="jxr_keyword">if</strong> (clusterManager.isRunning(ServiceType.HBASE_REGIONSERVER,
<a class="jxr_linenumber" name="462" href="#462">462</a> sn.getHostname(),
<a class="jxr_linenumber" name="463" href="#463">463</a> sn.getPort())) {
<a class="jxr_linenumber" name="464" href="#464">464</a> LOG.info(<span class="jxr_string">"Restoring cluster - stopping initial region server: "</span> + sn.getHostAndPort());
<a class="jxr_linenumber" name="465" href="#465">465</a> stopRegionServer(sn);
<a class="jxr_linenumber" name="466" href="#466">466</a> }
<a class="jxr_linenumber" name="467" href="#467">467</a> } <strong class="jxr_keyword">catch</strong> (IOException ex) {
<a class="jxr_linenumber" name="468" href="#468">468</a> deferred.add(ex);
<a class="jxr_linenumber" name="469" href="#469">469</a> }
<a class="jxr_linenumber" name="470" href="#470">470</a> }
<a class="jxr_linenumber" name="471" href="#471">471</a> <strong class="jxr_keyword">if</strong> (!deferred.isEmpty()) {
<a class="jxr_linenumber" name="472" href="#472">472</a> LOG.warn(<span class="jxr_string">"Restoring cluster - restoring region servers reported "</span>
<a class="jxr_linenumber" name="473" href="#473">473</a> + deferred.size() + <span class="jxr_string">" errors:"</span>);
<a class="jxr_linenumber" name="474" href="#474">474</a> <strong class="jxr_keyword">for</strong> (<strong class="jxr_keyword">int</strong> i=0; i&lt;deferred.size() &amp;&amp; i &lt; 3; i++) {
<a class="jxr_linenumber" name="475" href="#475">475</a> LOG.warn(deferred.get(i));
<a class="jxr_linenumber" name="476" href="#476">476</a> }
<a class="jxr_linenumber" name="477" href="#477">477</a> }
<a class="jxr_linenumber" name="478" href="#478">478</a>
<a class="jxr_linenumber" name="479" href="#479">479</a> <strong class="jxr_keyword">return</strong> deferred.isEmpty();
<a class="jxr_linenumber" name="480" href="#480">480</a> }
<a class="jxr_linenumber" name="481" href="#481">481</a>
<a class="jxr_linenumber" name="482" href="#482">482</a> <strong class="jxr_keyword">protected</strong> <strong class="jxr_keyword">boolean</strong> restoreAdmin() <strong class="jxr_keyword">throws</strong> IOException {
<a class="jxr_linenumber" name="483" href="#483">483</a> <em class="jxr_comment">// While restoring above, if the HBase Master which was initially the Active one, was down</em>
<a class="jxr_linenumber" name="484" href="#484">484</a> <em class="jxr_comment">// and the restore put the cluster back to Initial configuration, HAdmin instance will need</em>
<a class="jxr_linenumber" name="485" href="#485">485</a> <em class="jxr_comment">// to refresh its connections (otherwise it will return incorrect information) or we can</em>
<a class="jxr_linenumber" name="486" href="#486">486</a> <em class="jxr_comment">// point it to new instance.</em>
<a class="jxr_linenumber" name="487" href="#487">487</a> <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="488" href="#488">488</a> admin.close();
<a class="jxr_linenumber" name="489" href="#489">489</a> } <strong class="jxr_keyword">catch</strong> (IOException ioe) {
<a class="jxr_linenumber" name="490" href="#490">490</a> LOG.warn(<span class="jxr_string">"While closing the old connection"</span>, ioe);
<a class="jxr_linenumber" name="491" href="#491">491</a> }
<a class="jxr_linenumber" name="492" href="#492">492</a> <strong class="jxr_keyword">this</strong>.admin = <strong class="jxr_keyword">this</strong>.connection.getAdmin();
<a class="jxr_linenumber" name="493" href="#493">493</a> LOG.info(<span class="jxr_string">"Added new HBaseAdmin"</span>);
<a class="jxr_linenumber" name="494" href="#494">494</a> <strong class="jxr_keyword">return</strong> <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="495" href="#495">495</a> }
<a class="jxr_linenumber" name="496" href="#496">496</a> }
</pre>
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