You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@hbase.apache.org by gi...@apache.org on 2018/05/24 14:48:37 UTC
[17/51] [partial] hbase-site git commit: Published site at
f3d1c021de2264301f68eadb9ef126ff83d7ef53.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/883dde2f/devapidocs/src-html/org/apache/hadoop/hbase/rsgroup/RSGroupAdminEndpoint.RSGroupAdminServiceImpl.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/rsgroup/RSGroupAdminEndpoint.RSGroupAdminServiceImpl.html b/devapidocs/src-html/org/apache/hadoop/hbase/rsgroup/RSGroupAdminEndpoint.RSGroupAdminServiceImpl.html
index 85373ba..d253aa8 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/rsgroup/RSGroupAdminEndpoint.RSGroupAdminServiceImpl.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/rsgroup/RSGroupAdminEndpoint.RSGroupAdminServiceImpl.html
@@ -41,208 +41,208 @@
<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.CoprocessorEnvironment;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.HBaseIOException;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.HConstants;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.NamespaceDescriptor;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.ServerName;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.TableName;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.39"></a>
-<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.client.SnapshotDescription;<a name="line.40"></a>
-<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.constraint.ConstraintException;<a name="line.42"></a>
-<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.coprocessor.CoreCoprocessor;<a name="line.43"></a>
-<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.coprocessor.HasMasterServices;<a name="line.44"></a>
-<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.coprocessor.MasterCoprocessor;<a name="line.45"></a>
-<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.coprocessor.MasterCoprocessorEnvironment;<a name="line.46"></a>
-<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.coprocessor.MasterObserver;<a name="line.47"></a>
-<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.coprocessor.ObserverContext;<a name="line.48"></a>
-<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.ipc.CoprocessorRpcUtils;<a name="line.49"></a>
-<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.ipc.RpcServer;<a name="line.50"></a>
-<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.master.MasterServices;<a name="line.51"></a>
-<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.net.Address;<a name="line.52"></a>
-<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.protobuf.ProtobufUtil;<a name="line.53"></a>
-<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.protobuf.generated.HBaseProtos;<a name="line.54"></a>
-<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos;<a name="line.55"></a>
-<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.AddRSGroupRequest;<a name="line.56"></a>
-<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.AddRSGroupResponse;<a name="line.57"></a>
-<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.BalanceRSGroupRequest;<a name="line.58"></a>
-<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.BalanceRSGroupResponse;<a name="line.59"></a>
-<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.GetRSGroupInfoOfServerRequest;<a name="line.60"></a>
-<span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.GetRSGroupInfoOfServerResponse;<a name="line.61"></a>
-<span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.GetRSGroupInfoOfTableRequest;<a name="line.62"></a>
-<span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.GetRSGroupInfoOfTableResponse;<a name="line.63"></a>
-<span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.GetRSGroupInfoRequest;<a name="line.64"></a>
-<span class="sourceLineNo">065</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.GetRSGroupInfoResponse;<a name="line.65"></a>
-<span class="sourceLineNo">066</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.ListRSGroupInfosRequest;<a name="line.66"></a>
-<span class="sourceLineNo">067</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.ListRSGroupInfosResponse;<a name="line.67"></a>
-<span class="sourceLineNo">068</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.MoveServersAndTablesRequest;<a name="line.68"></a>
-<span class="sourceLineNo">069</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.MoveServersAndTablesResponse;<a name="line.69"></a>
-<span class="sourceLineNo">070</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.MoveServersRequest;<a name="line.70"></a>
-<span class="sourceLineNo">071</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.MoveServersResponse;<a name="line.71"></a>
-<span class="sourceLineNo">072</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.MoveTablesRequest;<a name="line.72"></a>
-<span class="sourceLineNo">073</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.MoveTablesResponse;<a name="line.73"></a>
-<span class="sourceLineNo">074</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.RSGroupAdminService;<a name="line.74"></a>
-<span class="sourceLineNo">075</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.RemoveRSGroupRequest;<a name="line.75"></a>
-<span class="sourceLineNo">076</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.RemoveRSGroupResponse;<a name="line.76"></a>
-<span class="sourceLineNo">077</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.RemoveServersRequest;<a name="line.77"></a>
-<span class="sourceLineNo">078</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.RemoveServersResponse;<a name="line.78"></a>
-<span class="sourceLineNo">079</span>import org.apache.hadoop.hbase.security.User;<a name="line.79"></a>
-<span class="sourceLineNo">080</span>import org.apache.hadoop.hbase.security.UserProvider;<a name="line.80"></a>
-<span class="sourceLineNo">081</span>import org.apache.hadoop.hbase.security.access.AccessChecker;<a name="line.81"></a>
-<span class="sourceLineNo">082</span>import org.apache.hadoop.hbase.security.access.Permission.Action;<a name="line.82"></a>
-<span class="sourceLineNo">083</span>import org.apache.hadoop.hbase.zookeeper.ZKWatcher;<a name="line.83"></a>
-<span class="sourceLineNo">084</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.84"></a>
-<span class="sourceLineNo">085</span>import org.slf4j.Logger;<a name="line.85"></a>
-<span class="sourceLineNo">086</span>import org.slf4j.LoggerFactory;<a name="line.86"></a>
-<span class="sourceLineNo">087</span><a name="line.87"></a>
-<span class="sourceLineNo">088</span>import org.apache.hbase.thirdparty.com.google.common.collect.Sets;<a name="line.88"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.MasterNotRunningException;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.NamespaceDescriptor;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.PleaseHoldException;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.ServerName;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.TableName;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.client.SnapshotDescription;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.constraint.ConstraintException;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.coprocessor.CoreCoprocessor;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.coprocessor.HasMasterServices;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.coprocessor.MasterCoprocessor;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.coprocessor.MasterCoprocessorEnvironment;<a name="line.48"></a>
+<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.coprocessor.MasterObserver;<a name="line.49"></a>
+<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.coprocessor.ObserverContext;<a name="line.50"></a>
+<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.ipc.CoprocessorRpcUtils;<a name="line.51"></a>
+<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.ipc.RpcServer;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.master.MasterServices;<a name="line.53"></a>
+<span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.net.Address;<a name="line.54"></a>
+<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.protobuf.ProtobufUtil;<a name="line.55"></a>
+<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.protobuf.generated.HBaseProtos;<a name="line.56"></a>
+<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos;<a name="line.57"></a>
+<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.AddRSGroupRequest;<a name="line.58"></a>
+<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.AddRSGroupResponse;<a name="line.59"></a>
+<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.BalanceRSGroupRequest;<a name="line.60"></a>
+<span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.BalanceRSGroupResponse;<a name="line.61"></a>
+<span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.GetRSGroupInfoOfServerRequest;<a name="line.62"></a>
+<span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.GetRSGroupInfoOfServerResponse;<a name="line.63"></a>
+<span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.GetRSGroupInfoOfTableRequest;<a name="line.64"></a>
+<span class="sourceLineNo">065</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.GetRSGroupInfoOfTableResponse;<a name="line.65"></a>
+<span class="sourceLineNo">066</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.GetRSGroupInfoRequest;<a name="line.66"></a>
+<span class="sourceLineNo">067</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.GetRSGroupInfoResponse;<a name="line.67"></a>
+<span class="sourceLineNo">068</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.ListRSGroupInfosRequest;<a name="line.68"></a>
+<span class="sourceLineNo">069</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.ListRSGroupInfosResponse;<a name="line.69"></a>
+<span class="sourceLineNo">070</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.MoveServersAndTablesRequest;<a name="line.70"></a>
+<span class="sourceLineNo">071</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.MoveServersAndTablesResponse;<a name="line.71"></a>
+<span class="sourceLineNo">072</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.MoveServersRequest;<a name="line.72"></a>
+<span class="sourceLineNo">073</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.MoveServersResponse;<a name="line.73"></a>
+<span class="sourceLineNo">074</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.MoveTablesRequest;<a name="line.74"></a>
+<span class="sourceLineNo">075</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.MoveTablesResponse;<a name="line.75"></a>
+<span class="sourceLineNo">076</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.RSGroupAdminService;<a name="line.76"></a>
+<span class="sourceLineNo">077</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.RemoveRSGroupRequest;<a name="line.77"></a>
+<span class="sourceLineNo">078</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.RemoveRSGroupResponse;<a name="line.78"></a>
+<span class="sourceLineNo">079</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.RemoveServersRequest;<a name="line.79"></a>
+<span class="sourceLineNo">080</span>import org.apache.hadoop.hbase.protobuf.generated.RSGroupAdminProtos.RemoveServersResponse;<a name="line.80"></a>
+<span class="sourceLineNo">081</span>import org.apache.hadoop.hbase.security.User;<a name="line.81"></a>
+<span class="sourceLineNo">082</span>import org.apache.hadoop.hbase.security.UserProvider;<a name="line.82"></a>
+<span class="sourceLineNo">083</span>import org.apache.hadoop.hbase.security.access.AccessChecker;<a name="line.83"></a>
+<span class="sourceLineNo">084</span>import org.apache.hadoop.hbase.security.access.Permission.Action;<a name="line.84"></a>
+<span class="sourceLineNo">085</span>import org.apache.hadoop.hbase.zookeeper.ZKWatcher;<a name="line.85"></a>
+<span class="sourceLineNo">086</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.86"></a>
+<span class="sourceLineNo">087</span>import org.slf4j.Logger;<a name="line.87"></a>
+<span class="sourceLineNo">088</span>import org.slf4j.LoggerFactory;<a name="line.88"></a>
<span class="sourceLineNo">089</span><a name="line.89"></a>
-<span class="sourceLineNo">090</span>// TODO: Encapsulate MasterObserver functions into separate subclass.<a name="line.90"></a>
-<span class="sourceLineNo">091</span>@CoreCoprocessor<a name="line.91"></a>
-<span class="sourceLineNo">092</span>@InterfaceAudience.Private<a name="line.92"></a>
-<span class="sourceLineNo">093</span>public class RSGroupAdminEndpoint implements MasterCoprocessor, MasterObserver {<a name="line.93"></a>
-<span class="sourceLineNo">094</span> private static final Logger LOG = LoggerFactory.getLogger(RSGroupAdminEndpoint.class);<a name="line.94"></a>
-<span class="sourceLineNo">095</span><a name="line.95"></a>
-<span class="sourceLineNo">096</span> private MasterServices master = null;<a name="line.96"></a>
-<span class="sourceLineNo">097</span> // Only instance of RSGroupInfoManager. RSGroup aware load balancers ask for this instance on<a name="line.97"></a>
-<span class="sourceLineNo">098</span> // their setup.<a name="line.98"></a>
-<span class="sourceLineNo">099</span> private RSGroupInfoManager groupInfoManager;<a name="line.99"></a>
-<span class="sourceLineNo">100</span> private RSGroupAdminServer groupAdminServer;<a name="line.100"></a>
-<span class="sourceLineNo">101</span> private final RSGroupAdminService groupAdminService = new RSGroupAdminServiceImpl();<a name="line.101"></a>
-<span class="sourceLineNo">102</span> private AccessChecker accessChecker;<a name="line.102"></a>
-<span class="sourceLineNo">103</span><a name="line.103"></a>
-<span class="sourceLineNo">104</span> /** Provider for mapping principal names to Users */<a name="line.104"></a>
-<span class="sourceLineNo">105</span> private UserProvider userProvider;<a name="line.105"></a>
-<span class="sourceLineNo">106</span><a name="line.106"></a>
-<span class="sourceLineNo">107</span> @Override<a name="line.107"></a>
-<span class="sourceLineNo">108</span> public void start(CoprocessorEnvironment env) throws IOException {<a name="line.108"></a>
-<span class="sourceLineNo">109</span> if (!(env instanceof HasMasterServices)) {<a name="line.109"></a>
-<span class="sourceLineNo">110</span> throw new IOException("Does not implement HMasterServices");<a name="line.110"></a>
-<span class="sourceLineNo">111</span> }<a name="line.111"></a>
-<span class="sourceLineNo">112</span><a name="line.112"></a>
-<span class="sourceLineNo">113</span> master = ((HasMasterServices)env).getMasterServices();<a name="line.113"></a>
-<span class="sourceLineNo">114</span> groupInfoManager = RSGroupInfoManagerImpl.getInstance(master);<a name="line.114"></a>
-<span class="sourceLineNo">115</span> groupAdminServer = new RSGroupAdminServer(master, groupInfoManager);<a name="line.115"></a>
-<span class="sourceLineNo">116</span> Class<?> clazz =<a name="line.116"></a>
-<span class="sourceLineNo">117</span> master.getConfiguration().getClass(HConstants.HBASE_MASTER_LOADBALANCER_CLASS, null);<a name="line.117"></a>
-<span class="sourceLineNo">118</span> if (!RSGroupableBalancer.class.isAssignableFrom(clazz)) {<a name="line.118"></a>
-<span class="sourceLineNo">119</span> throw new IOException("Configured balancer does not support RegionServer groups.");<a name="line.119"></a>
-<span class="sourceLineNo">120</span> }<a name="line.120"></a>
-<span class="sourceLineNo">121</span> ZKWatcher zk = ((HasMasterServices)env).getMasterServices().getZooKeeper();<a name="line.121"></a>
-<span class="sourceLineNo">122</span> accessChecker = new AccessChecker(env.getConfiguration(), zk);<a name="line.122"></a>
-<span class="sourceLineNo">123</span><a name="line.123"></a>
-<span class="sourceLineNo">124</span> // set the user-provider.<a name="line.124"></a>
-<span class="sourceLineNo">125</span> this.userProvider = UserProvider.instantiate(env.getConfiguration());<a name="line.125"></a>
-<span class="sourceLineNo">126</span> }<a name="line.126"></a>
-<span class="sourceLineNo">127</span><a name="line.127"></a>
-<span class="sourceLineNo">128</span> @Override<a name="line.128"></a>
-<span class="sourceLineNo">129</span> public void stop(CoprocessorEnvironment env) {<a name="line.129"></a>
-<span class="sourceLineNo">130</span> accessChecker.stop();<a name="line.130"></a>
-<span class="sourceLineNo">131</span> }<a name="line.131"></a>
-<span class="sourceLineNo">132</span><a name="line.132"></a>
-<span class="sourceLineNo">133</span> @Override<a name="line.133"></a>
-<span class="sourceLineNo">134</span> public Iterable<Service> getServices() {<a name="line.134"></a>
-<span class="sourceLineNo">135</span> return Collections.singleton(groupAdminService);<a name="line.135"></a>
-<span class="sourceLineNo">136</span> }<a name="line.136"></a>
-<span class="sourceLineNo">137</span><a name="line.137"></a>
-<span class="sourceLineNo">138</span> @Override<a name="line.138"></a>
-<span class="sourceLineNo">139</span> public Optional<MasterObserver> getMasterObserver() {<a name="line.139"></a>
-<span class="sourceLineNo">140</span> return Optional.of(this);<a name="line.140"></a>
-<span class="sourceLineNo">141</span> }<a name="line.141"></a>
-<span class="sourceLineNo">142</span><a name="line.142"></a>
-<span class="sourceLineNo">143</span> RSGroupInfoManager getGroupInfoManager() {<a name="line.143"></a>
-<span class="sourceLineNo">144</span> return groupInfoManager;<a name="line.144"></a>
-<span class="sourceLineNo">145</span> }<a name="line.145"></a>
-<span class="sourceLineNo">146</span><a name="line.146"></a>
-<span class="sourceLineNo">147</span> /**<a name="line.147"></a>
-<span class="sourceLineNo">148</span> * Implementation of RSGroupAdminService defined in RSGroupAdmin.proto.<a name="line.148"></a>
-<span class="sourceLineNo">149</span> * This class calls {@link RSGroupAdminServer} for actual work, converts result to protocol<a name="line.149"></a>
-<span class="sourceLineNo">150</span> * buffer response, handles exceptions if any occurred and then calls the {@code RpcCallback} with<a name="line.150"></a>
-<span class="sourceLineNo">151</span> * the response.<a name="line.151"></a>
-<span class="sourceLineNo">152</span> */<a name="line.152"></a>
-<span class="sourceLineNo">153</span> private class RSGroupAdminServiceImpl extends RSGroupAdminProtos.RSGroupAdminService {<a name="line.153"></a>
-<span class="sourceLineNo">154</span> @Override<a name="line.154"></a>
-<span class="sourceLineNo">155</span> public void getRSGroupInfo(RpcController controller,<a name="line.155"></a>
-<span class="sourceLineNo">156</span> GetRSGroupInfoRequest request, RpcCallback<GetRSGroupInfoResponse> done) {<a name="line.156"></a>
-<span class="sourceLineNo">157</span> GetRSGroupInfoResponse.Builder builder = GetRSGroupInfoResponse.newBuilder();<a name="line.157"></a>
-<span class="sourceLineNo">158</span> String groupName = request.getRSGroupName();<a name="line.158"></a>
-<span class="sourceLineNo">159</span> LOG.info(master.getClientIdAuditPrefix() + " initiates rsgroup info retrieval, group="<a name="line.159"></a>
-<span class="sourceLineNo">160</span> + groupName);<a name="line.160"></a>
-<span class="sourceLineNo">161</span> try {<a name="line.161"></a>
-<span class="sourceLineNo">162</span> checkPermission("getRSGroupInfo");<a name="line.162"></a>
-<span class="sourceLineNo">163</span> RSGroupInfo rsGroupInfo = groupAdminServer.getRSGroupInfo(groupName);<a name="line.163"></a>
-<span class="sourceLineNo">164</span> if (rsGroupInfo != null) {<a name="line.164"></a>
-<span class="sourceLineNo">165</span> builder.setRSGroupInfo(RSGroupProtobufUtil.toProtoGroupInfo(rsGroupInfo));<a name="line.165"></a>
-<span class="sourceLineNo">166</span> }<a name="line.166"></a>
-<span class="sourceLineNo">167</span> } catch (IOException e) {<a name="line.167"></a>
-<span class="sourceLineNo">168</span> CoprocessorRpcUtils.setControllerException(controller, e);<a name="line.168"></a>
-<span class="sourceLineNo">169</span> }<a name="line.169"></a>
-<span class="sourceLineNo">170</span> done.run(builder.build());<a name="line.170"></a>
-<span class="sourceLineNo">171</span> }<a name="line.171"></a>
-<span class="sourceLineNo">172</span><a name="line.172"></a>
-<span class="sourceLineNo">173</span> @Override<a name="line.173"></a>
-<span class="sourceLineNo">174</span> public void getRSGroupInfoOfTable(RpcController controller,<a name="line.174"></a>
-<span class="sourceLineNo">175</span> GetRSGroupInfoOfTableRequest request, RpcCallback<GetRSGroupInfoOfTableResponse> done) {<a name="line.175"></a>
-<span class="sourceLineNo">176</span> GetRSGroupInfoOfTableResponse.Builder builder = GetRSGroupInfoOfTableResponse.newBuilder();<a name="line.176"></a>
-<span class="sourceLineNo">177</span> TableName tableName = ProtobufUtil.toTableName(request.getTableName());<a name="line.177"></a>
-<span class="sourceLineNo">178</span> LOG.info(master.getClientIdAuditPrefix() + " initiates rsgroup info retrieval, table="<a name="line.178"></a>
-<span class="sourceLineNo">179</span> + tableName);<a name="line.179"></a>
-<span class="sourceLineNo">180</span> try {<a name="line.180"></a>
-<span class="sourceLineNo">181</span> checkPermission("getRSGroupInfoOfTable");<a name="line.181"></a>
-<span class="sourceLineNo">182</span> RSGroupInfo RSGroupInfo = groupAdminServer.getRSGroupInfoOfTable(tableName);<a name="line.182"></a>
-<span class="sourceLineNo">183</span> if (RSGroupInfo != null) {<a name="line.183"></a>
-<span class="sourceLineNo">184</span> builder.setRSGroupInfo(RSGroupProtobufUtil.toProtoGroupInfo(RSGroupInfo));<a name="line.184"></a>
-<span class="sourceLineNo">185</span> }<a name="line.185"></a>
-<span class="sourceLineNo">186</span> } catch (IOException e) {<a name="line.186"></a>
-<span class="sourceLineNo">187</span> CoprocessorRpcUtils.setControllerException(controller, e);<a name="line.187"></a>
-<span class="sourceLineNo">188</span> }<a name="line.188"></a>
-<span class="sourceLineNo">189</span> done.run(builder.build());<a name="line.189"></a>
-<span class="sourceLineNo">190</span> }<a name="line.190"></a>
-<span class="sourceLineNo">191</span><a name="line.191"></a>
-<span class="sourceLineNo">192</span> @Override<a name="line.192"></a>
-<span class="sourceLineNo">193</span> public void moveServers(RpcController controller, MoveServersRequest request,<a name="line.193"></a>
-<span class="sourceLineNo">194</span> RpcCallback<MoveServersResponse> done) {<a name="line.194"></a>
-<span class="sourceLineNo">195</span> MoveServersResponse.Builder builder = MoveServersResponse.newBuilder();<a name="line.195"></a>
-<span class="sourceLineNo">196</span> Set<Address> hostPorts = Sets.newHashSet();<a name="line.196"></a>
-<span class="sourceLineNo">197</span> for (HBaseProtos.ServerName el : request.getServersList()) {<a name="line.197"></a>
-<span class="sourceLineNo">198</span> hostPorts.add(Address.fromParts(el.getHostName(), el.getPort()));<a name="line.198"></a>
-<span class="sourceLineNo">199</span> }<a name="line.199"></a>
-<span class="sourceLineNo">200</span> LOG.info(master.getClientIdAuditPrefix() + " move servers " + hostPorts +" to rsgroup "<a name="line.200"></a>
-<span class="sourceLineNo">201</span> + request.getTargetGroup());<a name="line.201"></a>
-<span class="sourceLineNo">202</span> try {<a name="line.202"></a>
-<span class="sourceLineNo">203</span> checkPermission("moveServers");<a name="line.203"></a>
-<span class="sourceLineNo">204</span> groupAdminServer.moveServers(hostPorts, request.getTargetGroup());<a name="line.204"></a>
-<span class="sourceLineNo">205</span> } catch (IOException e) {<a name="line.205"></a>
-<span class="sourceLineNo">206</span> CoprocessorRpcUtils.setControllerException(controller, e);<a name="line.206"></a>
-<span class="sourceLineNo">207</span> }<a name="line.207"></a>
-<span class="sourceLineNo">208</span> done.run(builder.build());<a name="line.208"></a>
-<span class="sourceLineNo">209</span> }<a name="line.209"></a>
-<span class="sourceLineNo">210</span><a name="line.210"></a>
-<span class="sourceLineNo">211</span> @Override<a name="line.211"></a>
-<span class="sourceLineNo">212</span> public void moveTables(RpcController controller, MoveTablesRequest request,<a name="line.212"></a>
-<span class="sourceLineNo">213</span> RpcCallback<MoveTablesResponse> done) {<a name="line.213"></a>
-<span class="sourceLineNo">214</span> MoveTablesResponse.Builder builder = MoveTablesResponse.newBuilder();<a name="line.214"></a>
-<span class="sourceLineNo">215</span> Set<TableName> tables = new HashSet<>(request.getTableNameList().size());<a name="line.215"></a>
-<span class="sourceLineNo">216</span> for (HBaseProtos.TableName tableName : request.getTableNameList()) {<a name="line.216"></a>
-<span class="sourceLineNo">217</span> tables.add(ProtobufUtil.toTableName(tableName));<a name="line.217"></a>
-<span class="sourceLineNo">218</span> }<a name="line.218"></a>
-<span class="sourceLineNo">219</span> LOG.info(master.getClientIdAuditPrefix() + " move tables " + tables +" to rsgroup "<a name="line.219"></a>
-<span class="sourceLineNo">220</span> + request.getTargetGroup());<a name="line.220"></a>
-<span class="sourceLineNo">221</span> try {<a name="line.221"></a>
-<span class="sourceLineNo">222</span> checkPermission("moveTables");<a name="line.222"></a>
-<span class="sourceLineNo">223</span> groupAdminServer.moveTables(tables, request.getTargetGroup());<a name="line.223"></a>
-<span class="sourceLineNo">224</span> } catch (IOException e) {<a name="line.224"></a>
-<span class="sourceLineNo">225</span> CoprocessorRpcUtils.setControllerException(controller, e);<a name="line.225"></a>
+<span class="sourceLineNo">090</span>import org.apache.hbase.thirdparty.com.google.common.collect.Sets;<a name="line.90"></a>
+<span class="sourceLineNo">091</span><a name="line.91"></a>
+<span class="sourceLineNo">092</span>// TODO: Encapsulate MasterObserver functions into separate subclass.<a name="line.92"></a>
+<span class="sourceLineNo">093</span>@CoreCoprocessor<a name="line.93"></a>
+<span class="sourceLineNo">094</span>@InterfaceAudience.Private<a name="line.94"></a>
+<span class="sourceLineNo">095</span>public class RSGroupAdminEndpoint implements MasterCoprocessor, MasterObserver {<a name="line.95"></a>
+<span class="sourceLineNo">096</span> private static final Logger LOG = LoggerFactory.getLogger(RSGroupAdminEndpoint.class);<a name="line.96"></a>
+<span class="sourceLineNo">097</span><a name="line.97"></a>
+<span class="sourceLineNo">098</span> private MasterServices master = null;<a name="line.98"></a>
+<span class="sourceLineNo">099</span> // Only instance of RSGroupInfoManager. RSGroup aware load balancers ask for this instance on<a name="line.99"></a>
+<span class="sourceLineNo">100</span> // their setup.<a name="line.100"></a>
+<span class="sourceLineNo">101</span> private RSGroupInfoManager groupInfoManager;<a name="line.101"></a>
+<span class="sourceLineNo">102</span> private RSGroupAdminServer groupAdminServer;<a name="line.102"></a>
+<span class="sourceLineNo">103</span> private final RSGroupAdminService groupAdminService = new RSGroupAdminServiceImpl();<a name="line.103"></a>
+<span class="sourceLineNo">104</span> private AccessChecker accessChecker;<a name="line.104"></a>
+<span class="sourceLineNo">105</span><a name="line.105"></a>
+<span class="sourceLineNo">106</span> /** Provider for mapping principal names to Users */<a name="line.106"></a>
+<span class="sourceLineNo">107</span> private UserProvider userProvider;<a name="line.107"></a>
+<span class="sourceLineNo">108</span><a name="line.108"></a>
+<span class="sourceLineNo">109</span> @Override<a name="line.109"></a>
+<span class="sourceLineNo">110</span> public void start(CoprocessorEnvironment env) throws IOException {<a name="line.110"></a>
+<span class="sourceLineNo">111</span> if (!(env instanceof HasMasterServices)) {<a name="line.111"></a>
+<span class="sourceLineNo">112</span> throw new IOException("Does not implement HMasterServices");<a name="line.112"></a>
+<span class="sourceLineNo">113</span> }<a name="line.113"></a>
+<span class="sourceLineNo">114</span><a name="line.114"></a>
+<span class="sourceLineNo">115</span> master = ((HasMasterServices)env).getMasterServices();<a name="line.115"></a>
+<span class="sourceLineNo">116</span> groupInfoManager = RSGroupInfoManagerImpl.getInstance(master);<a name="line.116"></a>
+<span class="sourceLineNo">117</span> groupAdminServer = new RSGroupAdminServer(master, groupInfoManager);<a name="line.117"></a>
+<span class="sourceLineNo">118</span> Class<?> clazz =<a name="line.118"></a>
+<span class="sourceLineNo">119</span> master.getConfiguration().getClass(HConstants.HBASE_MASTER_LOADBALANCER_CLASS, null);<a name="line.119"></a>
+<span class="sourceLineNo">120</span> if (!RSGroupableBalancer.class.isAssignableFrom(clazz)) {<a name="line.120"></a>
+<span class="sourceLineNo">121</span> throw new IOException("Configured balancer does not support RegionServer groups.");<a name="line.121"></a>
+<span class="sourceLineNo">122</span> }<a name="line.122"></a>
+<span class="sourceLineNo">123</span> ZKWatcher zk = ((HasMasterServices)env).getMasterServices().getZooKeeper();<a name="line.123"></a>
+<span class="sourceLineNo">124</span> accessChecker = new AccessChecker(env.getConfiguration(), zk);<a name="line.124"></a>
+<span class="sourceLineNo">125</span><a name="line.125"></a>
+<span class="sourceLineNo">126</span> // set the user-provider.<a name="line.126"></a>
+<span class="sourceLineNo">127</span> this.userProvider = UserProvider.instantiate(env.getConfiguration());<a name="line.127"></a>
+<span class="sourceLineNo">128</span> }<a name="line.128"></a>
+<span class="sourceLineNo">129</span><a name="line.129"></a>
+<span class="sourceLineNo">130</span> @Override<a name="line.130"></a>
+<span class="sourceLineNo">131</span> public void stop(CoprocessorEnvironment env) {<a name="line.131"></a>
+<span class="sourceLineNo">132</span> accessChecker.stop();<a name="line.132"></a>
+<span class="sourceLineNo">133</span> }<a name="line.133"></a>
+<span class="sourceLineNo">134</span><a name="line.134"></a>
+<span class="sourceLineNo">135</span> @Override<a name="line.135"></a>
+<span class="sourceLineNo">136</span> public Iterable<Service> getServices() {<a name="line.136"></a>
+<span class="sourceLineNo">137</span> return Collections.singleton(groupAdminService);<a name="line.137"></a>
+<span class="sourceLineNo">138</span> }<a name="line.138"></a>
+<span class="sourceLineNo">139</span><a name="line.139"></a>
+<span class="sourceLineNo">140</span> @Override<a name="line.140"></a>
+<span class="sourceLineNo">141</span> public Optional<MasterObserver> getMasterObserver() {<a name="line.141"></a>
+<span class="sourceLineNo">142</span> return Optional.of(this);<a name="line.142"></a>
+<span class="sourceLineNo">143</span> }<a name="line.143"></a>
+<span class="sourceLineNo">144</span><a name="line.144"></a>
+<span class="sourceLineNo">145</span> RSGroupInfoManager getGroupInfoManager() {<a name="line.145"></a>
+<span class="sourceLineNo">146</span> return groupInfoManager;<a name="line.146"></a>
+<span class="sourceLineNo">147</span> }<a name="line.147"></a>
+<span class="sourceLineNo">148</span><a name="line.148"></a>
+<span class="sourceLineNo">149</span> /**<a name="line.149"></a>
+<span class="sourceLineNo">150</span> * Implementation of RSGroupAdminService defined in RSGroupAdmin.proto.<a name="line.150"></a>
+<span class="sourceLineNo">151</span> * This class calls {@link RSGroupAdminServer} for actual work, converts result to protocol<a name="line.151"></a>
+<span class="sourceLineNo">152</span> * buffer response, handles exceptions if any occurred and then calls the {@code RpcCallback} with<a name="line.152"></a>
+<span class="sourceLineNo">153</span> * the response.<a name="line.153"></a>
+<span class="sourceLineNo">154</span> */<a name="line.154"></a>
+<span class="sourceLineNo">155</span> private class RSGroupAdminServiceImpl extends RSGroupAdminProtos.RSGroupAdminService {<a name="line.155"></a>
+<span class="sourceLineNo">156</span> @Override<a name="line.156"></a>
+<span class="sourceLineNo">157</span> public void getRSGroupInfo(RpcController controller,<a name="line.157"></a>
+<span class="sourceLineNo">158</span> GetRSGroupInfoRequest request, RpcCallback<GetRSGroupInfoResponse> done) {<a name="line.158"></a>
+<span class="sourceLineNo">159</span> GetRSGroupInfoResponse.Builder builder = GetRSGroupInfoResponse.newBuilder();<a name="line.159"></a>
+<span class="sourceLineNo">160</span> String groupName = request.getRSGroupName();<a name="line.160"></a>
+<span class="sourceLineNo">161</span> LOG.info(master.getClientIdAuditPrefix() + " initiates rsgroup info retrieval, group="<a name="line.161"></a>
+<span class="sourceLineNo">162</span> + groupName);<a name="line.162"></a>
+<span class="sourceLineNo">163</span> try {<a name="line.163"></a>
+<span class="sourceLineNo">164</span> checkPermission("getRSGroupInfo");<a name="line.164"></a>
+<span class="sourceLineNo">165</span> RSGroupInfo rsGroupInfo = groupAdminServer.getRSGroupInfo(groupName);<a name="line.165"></a>
+<span class="sourceLineNo">166</span> if (rsGroupInfo != null) {<a name="line.166"></a>
+<span class="sourceLineNo">167</span> builder.setRSGroupInfo(RSGroupProtobufUtil.toProtoGroupInfo(rsGroupInfo));<a name="line.167"></a>
+<span class="sourceLineNo">168</span> }<a name="line.168"></a>
+<span class="sourceLineNo">169</span> } catch (IOException e) {<a name="line.169"></a>
+<span class="sourceLineNo">170</span> CoprocessorRpcUtils.setControllerException(controller, e);<a name="line.170"></a>
+<span class="sourceLineNo">171</span> }<a name="line.171"></a>
+<span class="sourceLineNo">172</span> done.run(builder.build());<a name="line.172"></a>
+<span class="sourceLineNo">173</span> }<a name="line.173"></a>
+<span class="sourceLineNo">174</span><a name="line.174"></a>
+<span class="sourceLineNo">175</span> @Override<a name="line.175"></a>
+<span class="sourceLineNo">176</span> public void getRSGroupInfoOfTable(RpcController controller,<a name="line.176"></a>
+<span class="sourceLineNo">177</span> GetRSGroupInfoOfTableRequest request, RpcCallback<GetRSGroupInfoOfTableResponse> done) {<a name="line.177"></a>
+<span class="sourceLineNo">178</span> GetRSGroupInfoOfTableResponse.Builder builder = GetRSGroupInfoOfTableResponse.newBuilder();<a name="line.178"></a>
+<span class="sourceLineNo">179</span> TableName tableName = ProtobufUtil.toTableName(request.getTableName());<a name="line.179"></a>
+<span class="sourceLineNo">180</span> LOG.info(master.getClientIdAuditPrefix() + " initiates rsgroup info retrieval, table="<a name="line.180"></a>
+<span class="sourceLineNo">181</span> + tableName);<a name="line.181"></a>
+<span class="sourceLineNo">182</span> try {<a name="line.182"></a>
+<span class="sourceLineNo">183</span> checkPermission("getRSGroupInfoOfTable");<a name="line.183"></a>
+<span class="sourceLineNo">184</span> RSGroupInfo RSGroupInfo = groupAdminServer.getRSGroupInfoOfTable(tableName);<a name="line.184"></a>
+<span class="sourceLineNo">185</span> if (RSGroupInfo != null) {<a name="line.185"></a>
+<span class="sourceLineNo">186</span> builder.setRSGroupInfo(RSGroupProtobufUtil.toProtoGroupInfo(RSGroupInfo));<a name="line.186"></a>
+<span class="sourceLineNo">187</span> }<a name="line.187"></a>
+<span class="sourceLineNo">188</span> } catch (IOException e) {<a name="line.188"></a>
+<span class="sourceLineNo">189</span> CoprocessorRpcUtils.setControllerException(controller, e);<a name="line.189"></a>
+<span class="sourceLineNo">190</span> }<a name="line.190"></a>
+<span class="sourceLineNo">191</span> done.run(builder.build());<a name="line.191"></a>
+<span class="sourceLineNo">192</span> }<a name="line.192"></a>
+<span class="sourceLineNo">193</span><a name="line.193"></a>
+<span class="sourceLineNo">194</span> @Override<a name="line.194"></a>
+<span class="sourceLineNo">195</span> public void moveServers(RpcController controller, MoveServersRequest request,<a name="line.195"></a>
+<span class="sourceLineNo">196</span> RpcCallback<MoveServersResponse> done) {<a name="line.196"></a>
+<span class="sourceLineNo">197</span> MoveServersResponse.Builder builder = MoveServersResponse.newBuilder();<a name="line.197"></a>
+<span class="sourceLineNo">198</span> Set<Address> hostPorts = Sets.newHashSet();<a name="line.198"></a>
+<span class="sourceLineNo">199</span> for (HBaseProtos.ServerName el : request.getServersList()) {<a name="line.199"></a>
+<span class="sourceLineNo">200</span> hostPorts.add(Address.fromParts(el.getHostName(), el.getPort()));<a name="line.200"></a>
+<span class="sourceLineNo">201</span> }<a name="line.201"></a>
+<span class="sourceLineNo">202</span> LOG.info(master.getClientIdAuditPrefix() + " move servers " + hostPorts +" to rsgroup "<a name="line.202"></a>
+<span class="sourceLineNo">203</span> + request.getTargetGroup());<a name="line.203"></a>
+<span class="sourceLineNo">204</span> try {<a name="line.204"></a>
+<span class="sourceLineNo">205</span> if (master.getMasterCoprocessorHost() != null) {<a name="line.205"></a>
+<span class="sourceLineNo">206</span> master.getMasterCoprocessorHost().preMoveServers(hostPorts, request.getTargetGroup());<a name="line.206"></a>
+<span class="sourceLineNo">207</span> }<a name="line.207"></a>
+<span class="sourceLineNo">208</span> checkPermission("moveServers");<a name="line.208"></a>
+<span class="sourceLineNo">209</span> groupAdminServer.moveServers(hostPorts, request.getTargetGroup());<a name="line.209"></a>
+<span class="sourceLineNo">210</span> if (master.getMasterCoprocessorHost() != null) {<a name="line.210"></a>
+<span class="sourceLineNo">211</span> master.getMasterCoprocessorHost().postMoveServers(hostPorts, request.getTargetGroup());<a name="line.211"></a>
+<span class="sourceLineNo">212</span> }<a name="line.212"></a>
+<span class="sourceLineNo">213</span> } catch (IOException e) {<a name="line.213"></a>
+<span class="sourceLineNo">214</span> CoprocessorRpcUtils.setControllerException(controller, e);<a name="line.214"></a>
+<span class="sourceLineNo">215</span> }<a name="line.215"></a>
+<span class="sourceLineNo">216</span> done.run(builder.build());<a name="line.216"></a>
+<span class="sourceLineNo">217</span> }<a name="line.217"></a>
+<span class="sourceLineNo">218</span><a name="line.218"></a>
+<span class="sourceLineNo">219</span> @Override<a name="line.219"></a>
+<span class="sourceLineNo">220</span> public void moveTables(RpcController controller, MoveTablesRequest request,<a name="line.220"></a>
+<span class="sourceLineNo">221</span> RpcCallback<MoveTablesResponse> done) {<a name="line.221"></a>
+<span class="sourceLineNo">222</span> MoveTablesResponse.Builder builder = MoveTablesResponse.newBuilder();<a name="line.222"></a>
+<span class="sourceLineNo">223</span> Set<TableName> tables = new HashSet<>(request.getTableNameList().size());<a name="line.223"></a>
+<span class="sourceLineNo">224</span> for (HBaseProtos.TableName tableName : request.getTableNameList()) {<a name="line.224"></a>
+<span class="sourceLineNo">225</span> tables.add(ProtobufUtil.toTableName(tableName));<a name="line.225"></a>
<span class="sourceLineNo">226</span> }<a name="line.226"></a>
-<span class="sourceLineNo">227</span> done.run(builder.build());<a name="line.227"></a>
-<span class="sourceLineNo">228</span> }<a name="line.228"></a>
-<span class="sourceLineNo">229</span><a name="line.229"></a>
-<span class="sourceLineNo">230</span> @Override<a name="line.230"></a>
-<span class="sourceLineNo">231</span> public void addRSGroup(RpcController controller, AddRSGroupRequest request,<a name="line.231"></a>
-<span class="sourceLineNo">232</span> RpcCallback<AddRSGroupResponse> done) {<a name="line.232"></a>
-<span class="sourceLineNo">233</span> AddRSGroupResponse.Builder builder = AddRSGroupResponse.newBuilder();<a name="line.233"></a>
-<span class="sourceLineNo">234</span> LOG.info(master.getClientIdAuditPrefix() + " add rsgroup " + request.getRSGroupName());<a name="line.234"></a>
-<span class="sourceLineNo">235</span> try {<a name="line.235"></a>
-<span class="sourceLineNo">236</span> checkPermission("addRSGroup");<a name="line.236"></a>
-<span class="sourceLineNo">237</span> groupAdminServer.addRSGroup(request.getRSGroupName());<a name="line.237"></a>
+<span class="sourceLineNo">227</span> LOG.info(master.getClientIdAuditPrefix() + " move tables " + tables +" to rsgroup "<a name="line.227"></a>
+<span class="sourceLineNo">228</span> + request.getTargetGroup());<a name="line.228"></a>
+<span class="sourceLineNo">229</span> try {<a name="line.229"></a>
+<span class="sourceLineNo">230</span> if (master.getMasterCoprocessorHost() != null) {<a name="line.230"></a>
+<span class="sourceLineNo">231</span> master.getMasterCoprocessorHost().preMoveTables(tables, request.getTargetGroup());<a name="line.231"></a>
+<span class="sourceLineNo">232</span> }<a name="line.232"></a>
+<span class="sourceLineNo">233</span> checkPermission("moveTables");<a name="line.233"></a>
+<span class="sourceLineNo">234</span> groupAdminServer.moveTables(tables, request.getTargetGroup());<a name="line.234"></a>
+<span class="sourceLineNo">235</span> if (master.getMasterCoprocessorHost() != null) {<a name="line.235"></a>
+<span class="sourceLineNo">236</span> master.getMasterCoprocessorHost().postMoveTables(tables, request.getTargetGroup());<a name="line.236"></a>
+<span class="sourceLineNo">237</span> }<a name="line.237"></a>
<span class="sourceLineNo">238</span> } catch (IOException e) {<a name="line.238"></a>
<span class="sourceLineNo">239</span> CoprocessorRpcUtils.setControllerException(controller, e);<a name="line.239"></a>
<span class="sourceLineNo">240</span> }<a name="line.240"></a>
@@ -250,244 +250,300 @@
<span class="sourceLineNo">242</span> }<a name="line.242"></a>
<span class="sourceLineNo">243</span><a name="line.243"></a>
<span class="sourceLineNo">244</span> @Override<a name="line.244"></a>
-<span class="sourceLineNo">245</span> public void removeRSGroup(RpcController controller,<a name="line.245"></a>
-<span class="sourceLineNo">246</span> RemoveRSGroupRequest request, RpcCallback<RemoveRSGroupResponse> done) {<a name="line.246"></a>
-<span class="sourceLineNo">247</span> RemoveRSGroupResponse.Builder builder =<a name="line.247"></a>
-<span class="sourceLineNo">248</span> RemoveRSGroupResponse.newBuilder();<a name="line.248"></a>
-<span class="sourceLineNo">249</span> LOG.info(master.getClientIdAuditPrefix() + " remove rsgroup " + request.getRSGroupName());<a name="line.249"></a>
-<span class="sourceLineNo">250</span> try {<a name="line.250"></a>
-<span class="sourceLineNo">251</span> checkPermission("removeRSGroup");<a name="line.251"></a>
-<span class="sourceLineNo">252</span> groupAdminServer.removeRSGroup(request.getRSGroupName());<a name="line.252"></a>
-<span class="sourceLineNo">253</span> } catch (IOException e) {<a name="line.253"></a>
-<span class="sourceLineNo">254</span> CoprocessorRpcUtils.setControllerException(controller, e);<a name="line.254"></a>
-<span class="sourceLineNo">255</span> }<a name="line.255"></a>
-<span class="sourceLineNo">256</span> done.run(builder.build());<a name="line.256"></a>
-<span class="sourceLineNo">257</span> }<a name="line.257"></a>
-<span class="sourceLineNo">258</span><a name="line.258"></a>
-<span class="sourceLineNo">259</span> @Override<a name="line.259"></a>
-<span class="sourceLineNo">260</span> public void balanceRSGroup(RpcController controller,<a name="line.260"></a>
-<span class="sourceLineNo">261</span> BalanceRSGroupRequest request, RpcCallback<BalanceRSGroupResponse> done) {<a name="line.261"></a>
-<span class="sourceLineNo">262</span> BalanceRSGroupResponse.Builder builder = BalanceRSGroupResponse.newBuilder();<a name="line.262"></a>
-<span class="sourceLineNo">263</span> LOG.info(master.getClientIdAuditPrefix() + " balance rsgroup, group=" +<a name="line.263"></a>
-<span class="sourceLineNo">264</span> request.getRSGroupName());<a name="line.264"></a>
-<span class="sourceLineNo">265</span> try {<a name="line.265"></a>
-<span class="sourceLineNo">266</span> checkPermission("balanceRSGroup");<a name="line.266"></a>
-<span class="sourceLineNo">267</span> builder.setBalanceRan(groupAdminServer.balanceRSGroup(request.getRSGroupName()));<a name="line.267"></a>
-<span class="sourceLineNo">268</span> } catch (IOException e) {<a name="line.268"></a>
-<span class="sourceLineNo">269</span> CoprocessorRpcUtils.setControllerException(controller, e);<a name="line.269"></a>
-<span class="sourceLineNo">270</span> builder.setBalanceRan(false);<a name="line.270"></a>
-<span class="sourceLineNo">271</span> }<a name="line.271"></a>
-<span class="sourceLineNo">272</span> done.run(builder.build());<a name="line.272"></a>
-<span class="sourceLineNo">273</span> }<a name="line.273"></a>
-<span class="sourceLineNo">274</span><a name="line.274"></a>
-<span class="sourceLineNo">275</span> @Override<a name="line.275"></a>
-<span class="sourceLineNo">276</span> public void listRSGroupInfos(RpcController controller,<a name="line.276"></a>
-<span class="sourceLineNo">277</span> ListRSGroupInfosRequest request, RpcCallback<ListRSGroupInfosResponse> done) {<a name="line.277"></a>
-<span class="sourceLineNo">278</span> ListRSGroupInfosResponse.Builder builder = ListRSGroupInfosResponse.newBuilder();<a name="line.278"></a>
-<span class="sourceLineNo">279</span> LOG.info(master.getClientIdAuditPrefix() + " list rsgroup");<a name="line.279"></a>
-<span class="sourceLineNo">280</span> try {<a name="line.280"></a>
-<span class="sourceLineNo">281</span> checkPermission("listRSGroup");<a name="line.281"></a>
-<span class="sourceLineNo">282</span> for (RSGroupInfo RSGroupInfo : groupAdminServer.listRSGroups()) {<a name="line.282"></a>
-<span class="sourceLineNo">283</span> builder.addRSGroupInfo(RSGroupProtobufUtil.toProtoGroupInfo(RSGroupInfo));<a name="line.283"></a>
-<span class="sourceLineNo">284</span> }<a name="line.284"></a>
-<span class="sourceLineNo">285</span> } catch (IOException e) {<a name="line.285"></a>
-<span class="sourceLineNo">286</span> CoprocessorRpcUtils.setControllerException(controller, e);<a name="line.286"></a>
-<span class="sourceLineNo">287</span> }<a name="line.287"></a>
-<span class="sourceLineNo">288</span> done.run(builder.build());<a name="line.288"></a>
-<span class="sourceLineNo">289</span> }<a name="line.289"></a>
-<span class="sourceLineNo">290</span><a name="line.290"></a>
-<span class="sourceLineNo">291</span> @Override<a name="line.291"></a>
-<span class="sourceLineNo">292</span> public void getRSGroupInfoOfServer(RpcController controller,<a name="line.292"></a>
-<span class="sourceLineNo">293</span> GetRSGroupInfoOfServerRequest request, RpcCallback<GetRSGroupInfoOfServerResponse> done) {<a name="line.293"></a>
-<span class="sourceLineNo">294</span> GetRSGroupInfoOfServerResponse.Builder builder = GetRSGroupInfoOfServerResponse.newBuilder();<a name="line.294"></a>
-<span class="sourceLineNo">295</span> Address hp = Address.fromParts(request.getServer().getHostName(),<a name="line.295"></a>
-<span class="sourceLineNo">296</span> request.getServer().getPort());<a name="line.296"></a>
-<span class="sourceLineNo">297</span> LOG.info(master.getClientIdAuditPrefix() + " initiates rsgroup info retrieval, server="<a name="line.297"></a>
-<span class="sourceLineNo">298</span> + hp);<a name="line.298"></a>
-<span class="sourceLineNo">299</span> try {<a name="line.299"></a>
-<span class="sourceLineNo">300</span> checkPermission("getRSGroupInfoOfServer");<a name="line.300"></a>
-<span class="sourceLineNo">301</span> RSGroupInfo RSGroupInfo = groupAdminServer.getRSGroupOfServer(hp);<a name="line.301"></a>
-<span class="sourceLineNo">302</span> if (RSGroupInfo != null) {<a name="line.302"></a>
-<span class="sourceLineNo">303</span> builder.setRSGroupInfo(RSGroupProtobufUtil.toProtoGroupInfo(RSGroupInfo));<a name="line.303"></a>
-<span class="sourceLineNo">304</span> }<a name="line.304"></a>
-<span class="sourceLineNo">305</span> } catch (IOException e) {<a name="line.305"></a>
-<span class="sourceLineNo">306</span> CoprocessorRpcUtils.setControllerException(controller, e);<a name="line.306"></a>
-<span class="sourceLineNo">307</span> }<a name="line.307"></a>
-<span class="sourceLineNo">308</span> done.run(builder.build());<a name="line.308"></a>
-<span class="sourceLineNo">309</span> }<a name="line.309"></a>
-<span class="sourceLineNo">310</span><a name="line.310"></a>
-<span class="sourceLineNo">311</span> @Override<a name="line.311"></a>
-<span class="sourceLineNo">312</span> public void moveServersAndTables(RpcController controller,<a name="line.312"></a>
-<span class="sourceLineNo">313</span> MoveServersAndTablesRequest request, RpcCallback<MoveServersAndTablesResponse> done) {<a name="line.313"></a>
-<span class="sourceLineNo">314</span> MoveServersAndTablesResponse.Builder builder = MoveServersAndTablesResponse.newBuilder();<a name="line.314"></a>
-<span class="sourceLineNo">315</span> Set<Address> hostPorts = Sets.newHashSet();<a name="line.315"></a>
-<span class="sourceLineNo">316</span> for (HBaseProtos.ServerName el : request.getServersList()) {<a name="line.316"></a>
-<span class="sourceLineNo">317</span> hostPorts.add(Address.fromParts(el.getHostName(), el.getPort()));<a name="line.317"></a>
-<span class="sourceLineNo">318</span> }<a name="line.318"></a>
-<span class="sourceLineNo">319</span> Set<TableName> tables = new HashSet<>(request.getTableNameList().size());<a name="line.319"></a>
-<span class="sourceLineNo">320</span> for (HBaseProtos.TableName tableName : request.getTableNameList()) {<a name="line.320"></a>
-<span class="sourceLineNo">321</span> tables.add(ProtobufUtil.toTableName(tableName));<a name="line.321"></a>
-<span class="sourceLineNo">322</span> }<a name="line.322"></a>
-<span class="sourceLineNo">323</span> LOG.info(master.getClientIdAuditPrefix() + " move servers " + hostPorts<a name="line.323"></a>
-<span class="sourceLineNo">324</span> + " and tables " + tables + " to rsgroup" + request.getTargetGroup());<a name="line.324"></a>
-<span class="sourceLineNo">325</span> try {<a name="line.325"></a>
-<span class="sourceLineNo">326</span> checkPermission("moveServersAndTables");<a name="line.326"></a>
-<span class="sourceLineNo">327</span> groupAdminServer.moveServersAndTables(hostPorts, tables, request.getTargetGroup());<a name="line.327"></a>
-<span class="sourceLineNo">328</span> } catch (IOException e) {<a name="line.328"></a>
-<span class="sourceLineNo">329</span> CoprocessorRpcUtils.setControllerException(controller, e);<a name="line.329"></a>
-<span class="sourceLineNo">330</span> }<a name="line.330"></a>
-<span class="sourceLineNo">331</span> done.run(builder.build());<a name="line.331"></a>
-<span class="sourceLineNo">332</span> }<a name="line.332"></a>
-<span class="sourceLineNo">333</span><a name="line.333"></a>
-<span class="sourceLineNo">334</span> @Override<a name="line.334"></a>
-<span class="sourceLineNo">335</span> public void removeServers(RpcController controller,<a name="line.335"></a>
-<span class="sourceLineNo">336</span> RemoveServersRequest request,<a name="line.336"></a>
-<span class="sourceLineNo">337</span> RpcCallback<RemoveServersResponse> done) {<a name="line.337"></a>
-<span class="sourceLineNo">338</span> RemoveServersResponse.Builder builder =<a name="line.338"></a>
-<span class="sourceLineNo">339</span> RemoveServersResponse.newBuilder();<a name="line.339"></a>
-<span class="sourceLineNo">340</span> Set<Address> servers = Sets.newHashSet();<a name="line.340"></a>
-<span class="sourceLineNo">341</span> for (HBaseProtos.ServerName el : request.getServersList()) {<a name="line.341"></a>
-<span class="sourceLineNo">342</span> servers.add(Address.fromParts(el.getHostName(), el.getPort()));<a name="line.342"></a>
-<span class="sourceLineNo">343</span> }<a name="line.343"></a>
-<span class="sourceLineNo">344</span> LOG.info(master.getClientIdAuditPrefix()<a name="line.344"></a>
-<span class="sourceLineNo">345</span> + " remove decommissioned servers from rsgroup: " + servers);<a name="line.345"></a>
-<span class="sourceLineNo">346</span> try {<a name="line.346"></a>
-<span class="sourceLineNo">347</span> checkPermission("removeServers");<a name="line.347"></a>
-<span class="sourceLineNo">348</span> groupAdminServer.removeServers(servers);<a name="line.348"></a>
-<span class="sourceLineNo">349</span> } catch (IOException e) {<a name="line.349"></a>
-<span class="sourceLineNo">350</span> CoprocessorRpcUtils.setControllerException(controller, e);<a name="line.350"></a>
-<span class="sourceLineNo">351</span> }<a name="line.351"></a>
-<span class="sourceLineNo">352</span> done.run(builder.build());<a name="line.352"></a>
-<span class="sourceLineNo">353</span> }<a name="line.353"></a>
-<span class="sourceLineNo">354</span> }<a name="line.354"></a>
-<span class="sourceLineNo">355</span><a name="line.355"></a>
-<span class="sourceLineNo">356</span> boolean rsgroupHasServersOnline(TableDescriptor desc) throws IOException {<a name="line.356"></a>
-<span class="sourceLineNo">357</span> String groupName =<a name="line.357"></a>
-<span class="sourceLineNo">358</span> master.getClusterSchema().getNamespace(desc.getTableName().getNamespaceAsString())<a name="line.358"></a>
-<span class="sourceLineNo">359</span> .getConfigurationValue(RSGroupInfo.NAMESPACE_DESC_PROP_GROUP);<a name="line.359"></a>
-<span class="sourceLineNo">360</span> if (groupName == null) {<a name="line.360"></a>
-<span class="sourceLineNo">361</span> groupName = RSGroupInfo.DEFAULT_GROUP;<a name="line.361"></a>
-<span class="sourceLineNo">362</span> }<a name="line.362"></a>
-<span class="sourceLineNo">363</span> RSGroupInfo rsGroupInfo = groupAdminServer.getRSGroupInfo(groupName);<a name="line.363"></a>
-<span class="sourceLineNo">364</span> if (rsGroupInfo == null) {<a name="line.364"></a>
-<span class="sourceLineNo">365</span> throw new ConstraintException(<a name="line.365"></a>
-<span class="sourceLineNo">366</span> "Default RSGroup (" + groupName + ") for this table's " + "namespace does not exist.");<a name="line.366"></a>
-<span class="sourceLineNo">367</span> }<a name="line.367"></a>
-<span class="sourceLineNo">368</span><a name="line.368"></a>
-<span class="sourceLineNo">369</span> for (ServerName onlineServer : master.getServerManager().createDestinationServersList()) {<a name="line.369"></a>
-<span class="sourceLineNo">370</span> if (rsGroupInfo.getServers().contains(onlineServer.getAddress())) {<a name="line.370"></a>
-<span class="sourceLineNo">371</span> return true;<a name="line.371"></a>
+<span class="sourceLineNo">245</span> public void addRSGroup(RpcController controller, AddRSGroupRequest request,<a name="line.245"></a>
+<span class="sourceLineNo">246</span> RpcCallback<AddRSGroupResponse> done) {<a name="line.246"></a>
+<span class="sourceLineNo">247</span> AddRSGroupResponse.Builder builder = AddRSGroupResponse.newBuilder();<a name="line.247"></a>
+<span class="sourceLineNo">248</span> LOG.info(master.getClientIdAuditPrefix() + " add rsgroup " + request.getRSGroupName());<a name="line.248"></a>
+<span class="sourceLineNo">249</span> try {<a name="line.249"></a>
+<span class="sourceLineNo">250</span> if (master.getMasterCoprocessorHost() != null) {<a name="line.250"></a>
+<span class="sourceLineNo">251</span> master.getMasterCoprocessorHost().preAddRSGroup(request.getRSGroupName());<a name="line.251"></a>
+<span class="sourceLineNo">252</span> }<a name="line.252"></a>
+<span class="sourceLineNo">253</span> checkPermission("addRSGroup");<a name="line.253"></a>
+<span class="sourceLineNo">254</span> groupAdminServer.addRSGroup(request.getRSGroupName());<a name="line.254"></a>
+<span class="sourceLineNo">255</span> if (master.getMasterCoprocessorHost() != null) {<a name="line.255"></a>
+<span class="sourceLineNo">256</span> master.getMasterCoprocessorHost().postAddRSGroup(request.getRSGroupName());<a name="line.256"></a>
+<span class="sourceLineNo">257</span> }<a name="line.257"></a>
+<span class="sourceLineNo">258</span> } catch (IOException e) {<a name="line.258"></a>
+<span class="sourceLineNo">259</span> CoprocessorRpcUtils.setControllerException(controller, e);<a name="line.259"></a>
+<span class="sourceLineNo">260</span> }<a name="line.260"></a>
+<span class="sourceLineNo">261</span> done.run(builder.build());<a name="line.261"></a>
+<span class="sourceLineNo">262</span> }<a name="line.262"></a>
+<span class="sourceLineNo">263</span><a name="line.263"></a>
+<span class="sourceLineNo">264</span> @Override<a name="line.264"></a>
+<span class="sourceLineNo">265</span> public void removeRSGroup(RpcController controller,<a name="line.265"></a>
+<span class="sourceLineNo">266</span> RemoveRSGroupRequest request, RpcCallback<RemoveRSGroupResponse> done) {<a name="line.266"></a>
+<span class="sourceLineNo">267</span> RemoveRSGroupResponse.Builder builder =<a name="line.267"></a>
+<span class="sourceLineNo">268</span> RemoveRSGroupResponse.newBuilder();<a name="line.268"></a>
+<span class="sourceLineNo">269</span> LOG.info(master.getClientIdAuditPrefix() + " remove rsgroup " + request.getRSGroupName());<a name="line.269"></a>
+<span class="sourceLineNo">270</span> try {<a name="line.270"></a>
+<span class="sourceLineNo">271</span> if (master.getMasterCoprocessorHost() != null) {<a name="line.271"></a>
+<span class="sourceLineNo">272</span> master.getMasterCoprocessorHost().preRemoveRSGroup(request.getRSGroupName());<a name="line.272"></a>
+<span class="sourceLineNo">273</span> }<a name="line.273"></a>
+<span class="sourceLineNo">274</span> checkPermission("removeRSGroup");<a name="line.274"></a>
+<span class="sourceLineNo">275</span> groupAdminServer.removeRSGroup(request.getRSGroupName());<a name="line.275"></a>
+<span class="sourceLineNo">276</span> if (master.getMasterCoprocessorHost() != null) {<a name="line.276"></a>
+<span class="sourceLineNo">277</span> master.getMasterCoprocessorHost().postRemoveRSGroup(request.getRSGroupName());<a name="line.277"></a>
+<span class="sourceLineNo">278</span> }<a name="line.278"></a>
+<span class="sourceLineNo">279</span> } catch (IOException e) {<a name="line.279"></a>
+<span class="sourceLineNo">280</span> CoprocessorRpcUtils.setControllerException(controller, e);<a name="line.280"></a>
+<span class="sourceLineNo">281</span> }<a name="line.281"></a>
+<span class="sourceLineNo">282</span> done.run(builder.build());<a name="line.282"></a>
+<span class="sourceLineNo">283</span> }<a name="line.283"></a>
+<span class="sourceLineNo">284</span><a name="line.284"></a>
+<span class="sourceLineNo">285</span> @Override<a name="line.285"></a>
+<span class="sourceLineNo">286</span> public void balanceRSGroup(RpcController controller,<a name="line.286"></a>
+<span class="sourceLineNo">287</span> BalanceRSGroupRequest request, RpcCallback<BalanceRSGroupResponse> done) {<a name="line.287"></a>
+<span class="sourceLineNo">288</span> BalanceRSGroupResponse.Builder builder = BalanceRSGroupResponse.newBuilder();<a name="line.288"></a>
+<span class="sourceLineNo">289</span> LOG.info(master.getClientIdAuditPrefix() + " balance rsgroup, group=" +<a name="line.289"></a>
+<span class="sourceLineNo">290</span> request.getRSGroupName());<a name="line.290"></a>
+<span class="sourceLineNo">291</span> try {<a name="line.291"></a>
+<span class="sourceLineNo">292</span> if (master.getMasterCoprocessorHost() != null) {<a name="line.292"></a>
+<span class="sourceLineNo">293</span> master.getMasterCoprocessorHost().preBalanceRSGroup(request.getRSGroupName());<a name="line.293"></a>
+<span class="sourceLineNo">294</span> }<a name="line.294"></a>
+<span class="sourceLineNo">295</span> checkPermission("balanceRSGroup");<a name="line.295"></a>
+<span class="sourceLineNo">296</span> boolean balancerRan = groupAdminServer.balanceRSGroup(request.getRSGroupName());<a name="line.296"></a>
+<span class="sourceLineNo">297</span> builder.setBalanceRan(balancerRan);<a name="line.297"></a>
+<span class="sourceLineNo">298</span> if (master.getMasterCoprocessorHost() != null) {<a name="line.298"></a>
+<span class="sourceLineNo">299</span> master.getMasterCoprocessorHost().postBalanceRSGroup(request.getRSGroupName(),<a name="line.299"></a>
+<span class="sourceLineNo">300</span> balancerRan);<a name="line.300"></a>
+<span class="sourceLineNo">301</span> }<a name="line.301"></a>
+<span class="sourceLineNo">302</span> } catch (IOException e) {<a name="line.302"></a>
+<span class="sourceLineNo">303</span> CoprocessorRpcUtils.setControllerException(controller, e);<a name="line.303"></a>
+<span class="sourceLineNo">304</span> builder.setBalanceRan(false);<a name="line.304"></a>
+<span class="sourceLineNo">305</span> }<a name="line.305"></a>
+<span class="sourceLineNo">306</span> done.run(builder.build());<a name="line.306"></a>
+<span class="sourceLineNo">307</span> }<a name="line.307"></a>
+<span class="sourceLineNo">308</span><a name="line.308"></a>
+<span class="sourceLineNo">309</span> @Override<a name="line.309"></a>
+<span class="sourceLineNo">310</span> public void listRSGroupInfos(RpcController controller,<a name="line.310"></a>
+<span class="sourceLineNo">311</span> ListRSGroupInfosRequest request, RpcCallback<ListRSGroupInfosResponse> done) {<a name="line.311"></a>
+<span class="sourceLineNo">312</span> ListRSGroupInfosResponse.Builder builder = ListRSGroupInfosResponse.newBuilder();<a name="line.312"></a>
+<span class="sourceLineNo">313</span> LOG.info(master.getClientIdAuditPrefix() + " list rsgroup");<a name="line.313"></a>
+<span class="sourceLineNo">314</span> try {<a name="line.314"></a>
+<span class="sourceLineNo">315</span> checkPermission("listRSGroup");<a name="line.315"></a>
+<span class="sourceLineNo">316</span> for (RSGroupInfo RSGroupInfo : groupAdminServer.listRSGroups()) {<a name="line.316"></a>
+<span class="sourceLineNo">317</span> builder.addRSGroupInfo(RSGroupProtobufUtil.toProtoGroupInfo(RSGroupInfo));<a name="line.317"></a>
+<span class="sourceLineNo">318</span> }<a name="line.318"></a>
+<span class="sourceLineNo">319</span> } catch (IOException e) {<a name="line.319"></a>
+<span class="sourceLineNo">320</span> CoprocessorRpcUtils.setControllerException(controller, e);<a name="line.320"></a>
+<span class="sourceLineNo">321</span> }<a name="line.321"></a>
+<span class="sourceLineNo">322</span> done.run(builder.build());<a name="line.322"></a>
+<span class="sourceLineNo">323</span> }<a name="line.323"></a>
+<span class="sourceLineNo">324</span><a name="line.324"></a>
+<span class="sourceLineNo">325</span> @Override<a name="line.325"></a>
+<span class="sourceLineNo">326</span> public void getRSGroupInfoOfServer(RpcController controller,<a name="line.326"></a>
+<span class="sourceLineNo">327</span> GetRSGroupInfoOfServerRequest request, RpcCallback<GetRSGroupInfoOfServerResponse> done) {<a name="line.327"></a>
+<span class="sourceLineNo">328</span> GetRSGroupInfoOfServerResponse.Builder builder = GetRSGroupInfoOfServerResponse.newBuilder();<a name="line.328"></a>
+<span class="sourceLineNo">329</span> Address hp = Address.fromParts(request.getServer().getHostName(),<a name="line.329"></a>
+<span class="sourceLineNo">330</span> request.getServer().getPort());<a name="line.330"></a>
+<span class="sourceLineNo">331</span> LOG.info(master.getClientIdAuditPrefix() + " initiates rsgroup info retrieval, server="<a name="line.331"></a>
+<span class="sourceLineNo">332</span> + hp);<a name="line.332"></a>
+<span class="sourceLineNo">333</span> try {<a name="line.333"></a>
+<span class="sourceLineNo">334</span> checkPermission("getRSGroupInfoOfServer");<a name="line.334"></a>
+<span class="sourceLineNo">335</span> RSGroupInfo info = groupAdminServer.getRSGroupOfServer(hp);<a name="line.335"></a>
+<span class="sourceLineNo">336</span> if (info != null) {<a name="line.336"></a>
+<span class="sourceLineNo">337</span> builder.setRSGroupInfo(RSGroupProtobufUtil.toProtoGroupInfo(info));<a name="line.337"></a>
+<span class="sourceLineNo">338</span> }<a name="line.338"></a>
+<span class="sourceLineNo">339</span> } catch (IOException e) {<a name="line.339"></a>
+<span class="sourceLineNo">340</span> CoprocessorRpcUtils.setControllerException(controller, e);<a name="line.340"></a>
+<span class="sourceLineNo">341</span> }<a name="line.341"></a>
+<span class="sourceLineNo">342</span> done.run(builder.build());<a name="line.342"></a>
+<span class="sourceLineNo">343</span> }<a name="line.343"></a>
+<span class="sourceLineNo">344</span><a name="line.344"></a>
+<span class="sourceLineNo">345</span> @Override<a name="line.345"></a>
+<span class="sourceLineNo">346</span> public void moveServersAndTables(RpcController controller,<a name="line.346"></a>
+<span class="sourceLineNo">347</span> MoveServersAndTablesRequest request, RpcCallback<MoveServersAndTablesResponse> done) {<a name="line.347"></a>
+<span class="sourceLineNo">348</span> MoveServersAndTablesResponse.Builder builder = MoveServersAndTablesResponse.newBuilder();<a name="line.348"></a>
+<span class="sourceLineNo">349</span> Set<Address> hostPorts = Sets.newHashSet();<a name="line.349"></a>
+<span class="sourceLineNo">350</span> for (HBaseProtos.ServerName el : request.getServersList()) {<a name="line.350"></a>
+<span class="sourceLineNo">351</span> hostPorts.add(Address.fromParts(el.getHostName(), el.getPort()));<a name="line.351"></a>
+<span class="sourceLineNo">352</span> }<a name="line.352"></a>
+<span class="sourceLineNo">353</span> Set<TableName> tables = new HashSet<>(request.getTableNameList().size());<a name="line.353"></a>
+<span class="sourceLineNo">354</span> for (HBaseProtos.TableName tableName : request.getTableNameList()) {<a name="line.354"></a>
+<span class="sourceLineNo">355</span> tables.add(ProtobufUtil.toTableName(tableName));<a name="line.355"></a>
+<span class="sourceLineNo">356</span> }<a name="line.356"></a>
+<span class="sourceLineNo">357</span> LOG.info(master.getClientIdAuditPrefix() + " move servers " + hostPorts<a name="line.357"></a>
+<span class="sourceLineNo">358</span> + " and tables " + tables + " to rsgroup" + request.getTargetGroup());<a name="line.358"></a>
+<span class="sourceLineNo">359</span> try {<a name="line.359"></a>
+<span class="sourceLineNo">360</span> if (master.getMasterCoprocessorHost() != null) {<a name="line.360"></a>
+<span class="sourceLineNo">361</span> master.getMasterCoprocessorHost().preMoveServersAndTables(hostPorts, tables,<a name="line.361"></a>
+<span class="sourceLineNo">362</span> request.getTargetGroup());<a name="line.362"></a>
+<span class="sourceLineNo">363</span> }<a name="line.363"></a>
+<span class="sourceLineNo">364</span> checkPermission("moveServersAndTables");<a name="line.364"></a>
+<span class="sourceLineNo">365</span> groupAdminServer.moveServersAndTables(hostPorts, tables, request.getTargetGroup());<a name="line.365"></a>
+<span class="sourceLineNo">366</span> if (master.getMasterCoprocessorHost() != null) {<a name="line.366"></a>
+<span class="sourceLineNo">367</span> master.getMasterCoprocessorHost().postMoveServersAndTables(hostPorts, tables,<a name="line.367"></a>
+<span class="sourceLineNo">368</span> request.getTargetGroup());<a name="line.368"></a>
+<span class="sourceLineNo">369</span> }<a name="line.369"></a>
+<span class="sourceLineNo">370</span> } catch (IOException e) {<a name="line.370"></a>
+<span class="sourceLineNo">371</span> CoprocessorRpcUtils.setControllerException(controller, e);<a name="line.371"></a>
<span class="sourceLineNo">372</span> }<a name="line.372"></a>
-<span class="sourceLineNo">373</span> }<a name="line.373"></a>
-<span class="sourceLineNo">374</span> return false;<a name="line.374"></a>
-<span class="sourceLineNo">375</span> }<a name="line.375"></a>
-<span class="sourceLineNo">376</span><a name="line.376"></a>
-<span class="sourceLineNo">377</span> void assignTableToGroup(TableDescriptor desc) throws IOException {<a name="line.377"></a>
-<span class="sourceLineNo">378</span> String groupName =<a name="line.378"></a>
-<span class="sourceLineNo">379</span> master.getClusterSchema().getNamespace(desc.getTableName().getNamespaceAsString())<a name="line.379"></a>
-<span class="sourceLineNo">380</span> .getConfigurationValue(RSGroupInfo.NAMESPACE_DESC_PROP_GROUP);<a name="line.380"></a>
-<span class="sourceLineNo">381</span> if (groupName == null) {<a name="line.381"></a>
-<span class="sourceLineNo">382</span> groupName = RSGroupInfo.DEFAULT_GROUP;<a name="line.382"></a>
-<span class="sourceLineNo">383</span> }<a name="line.383"></a>
-<span class="sourceLineNo">384</span> RSGroupInfo rsGroupInfo = groupAdminServer.getRSGroupInfo(groupName);<a name="line.384"></a>
-<span class="sourceLineNo">385</span> if (rsGroupInfo == null) {<a name="line.385"></a>
-<span class="sourceLineNo">386</span> throw new ConstraintException("Default RSGroup (" + groupName + ") for this table's "<a name="line.386"></a>
-<span class="sourceLineNo">387</span> + "namespace does not exist.");<a name="line.387"></a>
-<span class="sourceLineNo">388</span> }<a name="line.388"></a>
-<span class="sourceLineNo">389</span> if (!rsGroupInfo.containsTable(desc.getTableName())) {<a name="line.389"></a>
-<span class="sourceLineNo">390</span> LOG.debug("Pre-moving table " + desc.getTableName() + " to RSGroup " + groupName);<a name="line.390"></a>
-<span class="sourceLineNo">391</span> groupAdminServer.moveTables(Sets.newHashSet(desc.getTableName()), groupName);<a name="line.391"></a>
-<span class="sourceLineNo">392</span> }<a name="line.392"></a>
-<span class="sourceLineNo">393</span> }<a name="line.393"></a>
-<span class="sourceLineNo">394</span><a name="line.394"></a>
-<span class="sourceLineNo">395</span> /////////////////////////////////////////////////////////////////////////////<a name="line.395"></a>
-<span class="sourceLineNo">396</span> // MasterObserver overrides<a name="line.396"></a>
-<span class="sourceLineNo">397</span> /////////////////////////////////////////////////////////////////////////////<a name="line.397"></a>
-<span class="sourceLineNo">398</span><a name="line.398"></a>
-<span class="sourceLineNo">399</span> @Override<a name="line.399"></a>
-<span class="sourceLineNo">400</span> public void preCreateTableAction(<a name="line.400"></a>
-<span class="sourceLineNo">401</span> final ObserverContext<MasterCoprocessorEnvironment> ctx,<a name="line.401"></a>
-<span class="sourceLineNo">402</span> final TableDescriptor desc,<a name="line.402"></a>
-<span class="sourceLineNo">403</span> final RegionInfo[] regions) throws IOException {<a name="line.403"></a>
-<span class="sourceLineNo">404</span> if (!desc.getTableName().isSystemTable() && !rsgroupHasServersOnline(desc)) {<a name="line.404"></a>
-<span class="sourceLineNo">405</span> throw new HBaseIOException("No online servers in the rsgroup, which table " +<a name="line.405"></a>
-<span class="sourceLineNo">406</span> desc.getTableName().getNameAsString() + " belongs to");<a name="line.406"></a>
-<span class="sourceLineNo">407</span> }<a name="line.407"></a>
-<span class="sourceLineNo">408</span> }<a name="line.408"></a>
-<span class="sourceLineNo">409</span><a name="line.409"></a>
-<span class="sourceLineNo">410</span> // Assign table to default RSGroup.<a name="line.410"></a>
-<span class="sourceLineNo">411</span> @Override<a name="line.411"></a>
-<span class="sourceLineNo">412</span> public void postCreateTable(ObserverContext<MasterCoprocessorEnvironment> ctx,<a name="line.412"></a>
-<span class="sourceLineNo">413</span> TableDescriptor desc, RegionInfo[] regions) throws IOException {<a name="line.413"></a>
-<span class="sourceLineNo">414</span> assignTableToGroup(desc);<a name="line.414"></a>
-<span class="sourceLineNo">415</span> }<a name="line.415"></a>
-<span class="sourceLineNo">416</span><a name="line.416"></a>
-<span class="sourceLineNo">417</span> // Remove table from its RSGroup.<a name="line.417"></a>
-<span class="sourceLineNo">418</span> @Override<a name="line.418"></a>
-<span class="sourceLineNo">419</span> public void postDeleteTable(ObserverContext<MasterCoprocessorEnvironment> ctx,<a name="line.419"></a>
-<span class="sourceLineNo">420</span> TableName tableName) throws IOException {<a name="line.420"></a>
-<span class="sourceLineNo">421</span> try {<a name="line.421"></a>
-<span class="sourceLineNo">422</span> RSGroupInfo group = groupAdminServer.getRSGroupInfoOfTable(tableName);<a name="line.422"></a>
-<span class="sourceLineNo">423</span> if (group != null) {<a name="line.423"></a>
-<span class="sourceLineNo">424</span> LOG.debug(String.format("Removing deleted table '%s' from rsgroup '%s'", tableName,<a name="line.424"></a>
-<span class="sourceLineNo">425</span> group.getName()));<a name="line.425"></a>
-<span class="sourceLineNo">426</span> groupAdminServer.moveTables(Sets.newHashSet(tableName), null);<a name="line.426"></a>
-<span class="sourceLineNo">427</span> }<a name="line.427"></a>
-<span class="sourceLineNo">428</span> } catch (IOException ex) {<a name="line.428"></a>
-<span class="sourceLineNo">429</span> LOG.debug("Failed to perform RSGroup information cleanup for table: " + tableName, ex);<a name="line.429"></a>
-<span class="sourceLineNo">430</span> }<a name="line.430"></a>
+<span class="sourceLineNo">373</span> done.run(builder.build());<a name="line.373"></a>
+<span class="sourceLineNo">374</span> }<a name="line.374"></a>
+<span class="sourceLineNo">375</span><a name="line.375"></a>
+<span class="sourceLineNo">376</span> @Override<a name="line.376"></a>
+<span class="sourceLineNo">377</span> public void removeServers(RpcController controller,<a name="line.377"></a>
+<span class="sourceLineNo">378</span> RemoveServersRequest request,<a name="line.378"></a>
+<span class="sourceLineNo">379</span> RpcCallback<RemoveServersResponse> done) {<a name="line.379"></a>
+<span class="sourceLineNo">380</span> RemoveServersResponse.Builder builder =<a name="line.380"></a>
+<span class="sourceLineNo">381</span> RemoveServersResponse.newBuilder();<a name="line.381"></a>
+<span class="sourceLineNo">382</span> Set<Address> servers = Sets.newHashSet();<a name="line.382"></a>
+<span class="sourceLineNo">383</span> for (HBaseProtos.ServerName el : request.getServersList()) {<a name="line.383"></a>
+<span class="sourceLineNo">384</span> servers.add(Address.fromParts(el.getHostName(), el.getPort()));<a name="line.384"></a>
+<span class="sourceLineNo">385</span> }<a name="line.385"></a>
+<span class="sourceLineNo">386</span> LOG.info(master.getClientIdAuditPrefix()<a name="line.386"></a>
+<span class="sourceLineNo">387</span> + " remove decommissioned servers from rsgroup: " + servers);<a name="line.387"></a>
+<span class="sourceLineNo">388</span> try {<a name="line.388"></a>
+<span class="sourceLineNo">389</span> if (master.getMasterCoprocessorHost() != null) {<a name="line.389"></a>
+<span class="sourceLineNo">390</span> master.getMasterCoprocessorHost().preRemoveServers(servers);<a name="line.390"></a>
+<span class="sourceLineNo">391</span> }<a name="line.391"></a>
+<span class="sourceLineNo">392</span> checkPermission("removeServers");<a name="line.392"></a>
+<span class="sourceLineNo">393</span> groupAdminServer.removeServers(servers);<a name="line.393"></a>
+<span class="sourceLineNo">394</span> if (master.getMasterCoprocessorHost() != null) {<a name="line.394"></a>
+<span class="sourceLineNo">395</span> master.getMasterCoprocessorHost().postRemoveServers(servers);<a name="line.395"></a>
+<span class="sourceLineNo">396</span> }<a name="line.396"></a>
+<span class="sourceLineNo">397</span> } catch (IOException e) {<a name="line.397"></a>
+<span class="sourceLineNo">398</span> CoprocessorRpcUtils.setControllerException(controller, e);<a name="line.398"></a>
+<span class="sourceLineNo">399</span> }<a name="line.399"></a>
+<span class="sourceLineNo">400</span> done.run(builder.build());<a name="line.400"></a>
+<span class="sourceLineNo">401</span> }<a name="line.401"></a>
+<span class="sourceLineNo">402</span> }<a name="line.402"></a>
+<span class="sourceLineNo">403</span><a name="line.403"></a>
+<span class="sourceLineNo">404</span> boolean rsgroupHasServersOnline(TableDescriptor desc) throws IOException {<a name="line.404"></a>
+<span class="sourceLineNo">405</span> String groupName;<a name="line.405"></a>
+<span class="sourceLineNo">406</span> try {<a name="line.406"></a>
+<span class="sourceLineNo">407</span> groupName =<a name="line.407"></a>
+<span class="sourceLineNo">408</span> master.getClusterSchema().getNamespace(desc.getTableName().getNamespaceAsString())<a name="line.408"></a>
+<span class="sourceLineNo">409</span> .getConfigurationValue(RSGroupInfo.NAMESPACE_DESC_PROP_GROUP);<a name="line.409"></a>
+<span class="sourceLineNo">410</span> if (groupName == null) {<a name="line.410"></a>
+<span class="sourceLineNo">411</span> groupName = RSGroupInfo.DEFAULT_GROUP;<a name="line.411"></a>
+<span class="sourceLineNo">412</span> }<a name="line.412"></a>
+<span class="sourceLineNo">413</span> } catch (MasterNotRunningException | PleaseHoldException e) {<a name="line.413"></a>
+<span class="sourceLineNo">414</span> LOG.info("Master has not initialized yet; temporarily using default RSGroup '" +<a name="line.414"></a>
+<span class="sourceLineNo">415</span> RSGroupInfo.DEFAULT_GROUP + "' for deploy of system table");<a name="line.415"></a>
+<span class="sourceLineNo">416</span> groupName = RSGroupInfo.DEFAULT_GROUP;<a name="line.416"></a>
+<span class="sourceLineNo">417</span> }<a name="line.417"></a>
+<span class="sourceLineNo">418</span><a name="line.418"></a>
+<span class="sourceLineNo">419</span> RSGroupInfo rsGroupInfo = groupAdminServer.getRSGroupInfo(groupName);<a name="line.419"></a>
+<span class="sourceLineNo">420</span> if (rsGroupInfo == null) {<a name="line.420"></a>
+<span class="sourceLineNo">421</span> throw new ConstraintException(<a name="line.421"></a>
+<span class="sourceLineNo">422</span> "Default RSGroup (" + groupName + ") for this table's " + "namespace does not exist.");<a name="line.422"></a>
+<span class="sourceLineNo">423</span> }<a name="line.423"></a>
+<span class="sourceLineNo">424</span><a name="line.424"></a>
+<span class="sourceLineNo">425</span> for (ServerName onlineServer : master.getServerManager().createDestinationServersList()) {<a name="line.425"></a>
+<span class="sourceLineNo">426</span> if (rsGroupInfo.getServers().contains(onlineServer.getAddress())) {<a name="line.426"></a>
+<span class="sourceLineNo">427</span> return true;<a name="line.427"></a>
+<span class="sourceLineNo">428</span> }<a name="line.428"></a>
+<span class="sourceLineNo">429</span> }<a name="line.429"></a>
+<span class="sourceLineNo">430</span> return false;<a name="line.430"></a>
<span class="sourceLineNo">431</span> }<a name="line.431"></a>
<span class="sourceLineNo">432</span><a name="line.432"></a>
-<span class="sourceLineNo">433</span> @Override<a name="line.433"></a>
-<span class="sourceLineNo">434</span> public void preCreateNamespace(ObserverContext<MasterCoprocessorEnvironment> ctx,<a name="line.434"></a>
-<span class="sourceLineNo">435</span> NamespaceDescriptor ns) throws IOException {<a name="line.435"></a>
-<span class="sourceLineNo">436</span> String group = ns.getConfigurationValue(RSGroupInfo.NAMESPACE_DESC_PROP_GROUP);<a name="line.436"></a>
-<span class="sourceLineNo">437</span> if(group != null && groupAdminServer.getRSGroupInfo(group) == null) {<a name="line.437"></a>
-<span class="sourceLineNo">438</span> throw new ConstraintException("Region server group "+group+" does not exit");<a name="line.438"></a>
+<span class="sourceLineNo">433</span> void assignTableToGroup(TableDescriptor desc) throws IOException {<a name="line.433"></a>
+<span class="sourceLineNo">434</span> String groupName =<a name="line.434"></a>
+<span class="sourceLineNo">435</span> master.getClusterSchema().getNamespace(desc.getTableName().getNamespaceAsString())<a name="line.435"></a>
+<span class="sourceLineNo">436</span> .getConfigurationValue(RSGroupInfo.NAMESPACE_DESC_PROP_GROUP);<a name="line.436"></a>
+<span class="sourceLineNo">437</span> if (groupName == null) {<a name="line.437"></a>
+<span class="sourceLineNo">438</span> groupName = RSGroupInfo.DEFAULT_GROUP;<a name="line.438"></a>
<span class="sourceLineNo">439</span> }<a name="line.439"></a>
-<span class="sourceLineNo">440</span> }<a name="line.440"></a>
-<span class="sourceLineNo">441</span><a name="line.441"></a>
-<span class="sourceLineNo">442</span> @Override<a name="line.442"></a>
-<span class="sourceLineNo">443</span> public void preModifyNamespace(ObserverContext<MasterCoprocessorEnvironment> ctx,<a name="line.443"></a>
-<span class="sourceLineNo">444</span> NamespaceDescriptor ns) throws IOException {<a name="line.444"></a>
-<span class="sourceLineNo">445</span> preCreateNamespace(ctx, ns);<a name="line.445"></a>
-<span class="sourceLineNo">446</span> }<a name="line.446"></a>
-<span class="sourceLineNo">447</span><a name="line.447"></a>
-<span class="sourceLineNo">448</span> @Override<a name="line.448"></a>
-<span class="sourceLineNo">449</span> public void preCloneSnapshot(ObserverContext<MasterCoprocessorEnvironment> ctx,<a name="line.449"></a>
-<span class="sourceLineNo">450</span> SnapshotDescription snapshot, TableDescriptor desc) throws IOException {<a name="line.450"></a>
-<span class="sourceLineNo">451</span> assignTableToGroup(desc);<a name="line.451"></a>
-<span class="sourceLineNo">452</span> }<a name="line.452"></a>
-<span class="sourceLineNo">453</span><a name="line.453"></a>
-<span class="sourceLineNo">454</span> @Override<a name="line.454"></a>
-<span class="sourceLineNo">455</span> public void postClearDeadServers(ObserverContext<MasterCoprocessorEnvironment> ctx,<a name="line.455"></a>
-<span class="sourceLineNo">456</span> List<ServerName> servers, List<ServerName> notClearedServers)<a name="line.456"></a>
-<span class="sourceLineNo">457</span> throws IOException {<a name="line.457"></a>
-<span class="sourceLineNo">458</span> Set<Address> clearedServer = servers.stream().<a name="line.458"></a>
-<span class="sourceLineNo">459</span> filter(server -> !notClearedServers.contains(server)).<a name="line.459"></a>
-<span class="sourceLineNo">460</span> map(ServerName::getAddress).<a name="line.460"></a>
-<span class="sourceLineNo">461</span> collect(Collectors.toSet());<a name="line.461"></a>
-<span class="sourceLineNo">462</span> groupAdminServer.removeServers(clearedServer);<a name="line.462"></a>
-<span class="sourceLineNo">463</span> }<a name="line.463"></a>
-<span class="sourceLineNo">464</span><a name="line.464"></a>
-<span class="sourceLineNo">465</span> public void checkPermission(String request) throws IOException {<a name="line.465"></a>
-<span class="sourceLineNo">466</span> ac
<TRUNCATED>