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| <pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing, software<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * See the License for the specific language governing permissions and<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * limitations under the License.<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> */<a name="line.17"></a> |
| <span class="sourceLineNo">018</span>package org.apache.hadoop.hbase.master.procedure;<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>import java.io.IOException;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import org.apache.hadoop.hbase.HBaseIOException;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import org.apache.hadoop.hbase.HConstants;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.hadoop.hbase.TableName;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.hadoop.hbase.TableNotEnabledException;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.hadoop.hbase.TableNotFoundException;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.hadoop.hbase.client.BufferedMutator;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.hadoop.hbase.client.RegionInfo;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.hadoop.hbase.client.TableState;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.constraint.ConstraintException;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.master.MasterCoprocessorHost;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.master.MasterFileSystem;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.master.TableStateManager;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.procedure2.ProcedureStateSerializer;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.replication.ReplicationBarrierFamilyFormat;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.wal.WALSplitUtil;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.slf4j.Logger;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.slf4j.LoggerFactory;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span><a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.MasterProcedureProtos.DisableTableState;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span><a name="line.44"></a> |
| <span class="sourceLineNo">045</span>@InterfaceAudience.Private<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>public class DisableTableProcedure extends AbstractStateMachineTableProcedure<DisableTableState> {<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> private static final Logger LOG = LoggerFactory.getLogger(DisableTableProcedure.class);<a name="line.47"></a> |
| <span class="sourceLineNo">048</span><a name="line.48"></a> |
| <span class="sourceLineNo">049</span> private TableName tableName;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> private boolean skipTableStateCheck;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span><a name="line.51"></a> |
| <span class="sourceLineNo">052</span> public DisableTableProcedure() {<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> super();<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> }<a name="line.54"></a> |
| <span class="sourceLineNo">055</span><a name="line.55"></a> |
| <span class="sourceLineNo">056</span> /**<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> * Constructor<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> * @param env MasterProcedureEnv<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> * @param tableName the table to operate on<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> * @param skipTableStateCheck whether to check table state<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> */<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> public DisableTableProcedure(final MasterProcedureEnv env, final TableName tableName,<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> final boolean skipTableStateCheck) throws HBaseIOException {<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> this(env, tableName, skipTableStateCheck, null);<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> }<a name="line.65"></a> |
| <span class="sourceLineNo">066</span><a name="line.66"></a> |
| <span class="sourceLineNo">067</span> /**<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> * Constructor<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> * @param env MasterProcedureEnv<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> * @param tableName the table to operate on<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> * @param skipTableStateCheck whether to check table state<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> */<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> public DisableTableProcedure(final MasterProcedureEnv env, final TableName tableName,<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> final boolean skipTableStateCheck, final ProcedurePrepareLatch syncLatch)<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> throws HBaseIOException {<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> super(env, syncLatch);<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> this.tableName = tableName;<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> preflightChecks(env, true);<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> this.skipTableStateCheck = skipTableStateCheck;<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> }<a name="line.80"></a> |
| <span class="sourceLineNo">081</span><a name="line.81"></a> |
| <span class="sourceLineNo">082</span> @Override<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> protected Flow executeFromState(final MasterProcedureEnv env, final DisableTableState state)<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> throws InterruptedException {<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> LOG.trace("{} execute state={}", this, state);<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> try {<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> switch (state) {<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> case DISABLE_TABLE_PREPARE:<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> if (prepareDisable(env)) {<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> setNextState(DisableTableState.DISABLE_TABLE_PRE_OPERATION);<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> } else {<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> assert isFailed() : "disable should have an exception here";<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> return Flow.NO_MORE_STATE;<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> }<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> break;<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> case DISABLE_TABLE_PRE_OPERATION:<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> preDisable(env, state);<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> setNextState(DisableTableState.DISABLE_TABLE_SET_DISABLING_TABLE_STATE);<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> break;<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> case DISABLE_TABLE_SET_DISABLING_TABLE_STATE:<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> setTableStateToDisabling(env, tableName);<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> setNextState(DisableTableState.DISABLE_TABLE_MARK_REGIONS_OFFLINE);<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> break;<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> case DISABLE_TABLE_MARK_REGIONS_OFFLINE:<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> addChildProcedure(<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> env.getAssignmentManager().createUnassignProceduresForDisabling(tableName));<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> setNextState(DisableTableState.DISABLE_TABLE_ADD_REPLICATION_BARRIER);<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> break;<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> case DISABLE_TABLE_ADD_REPLICATION_BARRIER:<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> if (<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> env.getMasterServices().getTableDescriptors().get(tableName).hasGlobalReplicationScope()<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> ) {<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> MasterFileSystem fs = env.getMasterFileSystem();<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> try (BufferedMutator mutator = env.getMasterServices().getConnection()<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> .getBufferedMutator(TableName.META_TABLE_NAME)) {<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> for (RegionInfo region : env.getAssignmentManager().getRegionStates()<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> .getRegionsOfTable(tableName)) {<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> long maxSequenceId = WALSplitUtil.getMaxRegionSequenceId(<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> env.getMasterConfiguration(), region, fs::getFileSystem, fs::getWALFileSystem);<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> long openSeqNum = maxSequenceId > 0 ? maxSequenceId + 1 : HConstants.NO_SEQNUM;<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> mutator.mutate(ReplicationBarrierFamilyFormat.makePutForReplicationBarrier(region,<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> openSeqNum, EnvironmentEdgeManager.currentTime()));<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> }<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> }<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> }<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> setNextState(DisableTableState.DISABLE_TABLE_SET_DISABLED_TABLE_STATE);<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> break;<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> case DISABLE_TABLE_SET_DISABLED_TABLE_STATE:<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> setTableStateToDisabled(env, tableName);<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> setNextState(DisableTableState.DISABLE_TABLE_POST_OPERATION);<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> break;<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> case DISABLE_TABLE_POST_OPERATION:<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> postDisable(env, state);<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> return Flow.NO_MORE_STATE;<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> default:<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> throw new UnsupportedOperationException("Unhandled state=" + state);<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> }<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> } catch (IOException e) {<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> if (isRollbackSupported(state)) {<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> setFailure("master-disable-table", e);<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> } else {<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> LOG.warn("Retryable error in {}", this, e);<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> return Flow.HAS_MORE_STATE;<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> @Override<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> protected void rollbackState(final MasterProcedureEnv env, final DisableTableState state)<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> throws IOException {<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> // nothing to rollback, prepare-disable is just table-state checks.<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> // We can fail if the table does not exist or is not disabled.<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> switch (state) {<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> case DISABLE_TABLE_PRE_OPERATION:<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> return;<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> case DISABLE_TABLE_PREPARE:<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> releaseSyncLatch();<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> return;<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> default:<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> break;<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> }<a name="line.161"></a> |
| <span class="sourceLineNo">162</span><a name="line.162"></a> |
| <span class="sourceLineNo">163</span> // The delete doesn't have a rollback. The execution will succeed, at some point.<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> throw new UnsupportedOperationException("Unhandled state=" + state);<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> }<a name="line.165"></a> |
| <span class="sourceLineNo">166</span><a name="line.166"></a> |
| <span class="sourceLineNo">167</span> @Override<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> protected boolean isRollbackSupported(final DisableTableState state) {<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> switch (state) {<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> case DISABLE_TABLE_PREPARE:<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> case DISABLE_TABLE_PRE_OPERATION:<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> return true;<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> default:<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> return false;<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> }<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> }<a name="line.176"></a> |
| <span class="sourceLineNo">177</span><a name="line.177"></a> |
| <span class="sourceLineNo">178</span> @Override<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> protected DisableTableState getState(final int stateId) {<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> return DisableTableState.forNumber(stateId);<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> }<a name="line.181"></a> |
| <span class="sourceLineNo">182</span><a name="line.182"></a> |
| <span class="sourceLineNo">183</span> @Override<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> protected int getStateId(final DisableTableState state) {<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> return state.getNumber();<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> }<a name="line.186"></a> |
| <span class="sourceLineNo">187</span><a name="line.187"></a> |
| <span class="sourceLineNo">188</span> @Override<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> protected DisableTableState getInitialState() {<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> return DisableTableState.DISABLE_TABLE_PREPARE;<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> }<a name="line.191"></a> |
| <span class="sourceLineNo">192</span><a name="line.192"></a> |
| <span class="sourceLineNo">193</span> @Override<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> protected void serializeStateData(ProcedureStateSerializer serializer) throws IOException {<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> super.serializeStateData(serializer);<a name="line.195"></a> |
| <span class="sourceLineNo">196</span><a name="line.196"></a> |
| <span class="sourceLineNo">197</span> MasterProcedureProtos.DisableTableStateData.Builder disableTableMsg =<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> MasterProcedureProtos.DisableTableStateData.newBuilder()<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> .setUserInfo(MasterProcedureUtil.toProtoUserInfo(getUser()))<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> .setTableName(ProtobufUtil.toProtoTableName(tableName))<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> .setSkipTableStateCheck(skipTableStateCheck);<a name="line.201"></a> |
| <span class="sourceLineNo">202</span><a name="line.202"></a> |
| <span class="sourceLineNo">203</span> serializer.serialize(disableTableMsg.build());<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> }<a name="line.204"></a> |
| <span class="sourceLineNo">205</span><a name="line.205"></a> |
| <span class="sourceLineNo">206</span> @Override<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> protected void deserializeStateData(ProcedureStateSerializer serializer) throws IOException {<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> super.deserializeStateData(serializer);<a name="line.208"></a> |
| <span class="sourceLineNo">209</span><a name="line.209"></a> |
| <span class="sourceLineNo">210</span> MasterProcedureProtos.DisableTableStateData disableTableMsg =<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> serializer.deserialize(MasterProcedureProtos.DisableTableStateData.class);<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> setUser(MasterProcedureUtil.toUserInfo(disableTableMsg.getUserInfo()));<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> tableName = ProtobufUtil.toTableName(disableTableMsg.getTableName());<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> skipTableStateCheck = disableTableMsg.getSkipTableStateCheck();<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> }<a name="line.215"></a> |
| <span class="sourceLineNo">216</span><a name="line.216"></a> |
| <span class="sourceLineNo">217</span> // For disabling a table, we does not care whether a region can be online so hold the table xlock<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> // for ever. This will simplify the logic as we will not be conflict with procedures other than<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> // SCP.<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> @Override<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> protected boolean holdLock(MasterProcedureEnv env) {<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> return true;<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> }<a name="line.223"></a> |
| <span class="sourceLineNo">224</span><a name="line.224"></a> |
| <span class="sourceLineNo">225</span> @Override<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> public TableName getTableName() {<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> return tableName;<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 TableOperationType getTableOperationType() {<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> return TableOperationType.DISABLE;<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> }<a name="line.233"></a> |
| <span class="sourceLineNo">234</span><a name="line.234"></a> |
| <span class="sourceLineNo">235</span> /**<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> * Action before any real action of disabling table. Set the exception in the procedure instead of<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> * throwing it. This approach is to deal with backward compatible with 1.0.<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> * @param env MasterProcedureEnv<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> */<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> private boolean prepareDisable(final MasterProcedureEnv env) throws IOException {<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> boolean canTableBeDisabled = true;<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> if (tableName.equals(TableName.META_TABLE_NAME)) {<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> setFailure("master-disable-table",<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> new ConstraintException("Cannot disable " + this.tableName));<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> canTableBeDisabled = false;<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> } else if (!env.getMasterServices().getTableDescriptors().exists(tableName)) {<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> setFailure("master-disable-table", new TableNotFoundException(tableName));<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> canTableBeDisabled = false;<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> } else if (!skipTableStateCheck) {<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> // There could be multiple client requests trying to disable or enable<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> // the table at the same time. Ensure only the first request is honored<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> // After that, no other requests can be accepted until the table reaches<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> // DISABLED or ENABLED.<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> //<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> // Note: in 1.0 release, we called TableStateManager.setTableStateIfInStates() to set<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> // the state to DISABLING from ENABLED. The implementation was done before table lock<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> // was implemented. With table lock, there is no need to set the state here (it will<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> // set the state later on). A quick state check should be enough for us to move forward.<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> TableStateManager tsm = env.getMasterServices().getTableStateManager();<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> TableState ts = tsm.getTableState(tableName);<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> if (!ts.isEnabled()) {<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> LOG.info("Not ENABLED, state={}, skipping disable; {}", ts.getState(), this);<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> setFailure("master-disable-table", new TableNotEnabledException(ts.toString()));<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> canTableBeDisabled = false;<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> }<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> }<a name="line.266"></a> |
| <span class="sourceLineNo">267</span><a name="line.267"></a> |
| <span class="sourceLineNo">268</span> // We are done the check. Future actions in this procedure could be done asynchronously.<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> releaseSyncLatch();<a name="line.269"></a> |
| <span class="sourceLineNo">270</span><a name="line.270"></a> |
| <span class="sourceLineNo">271</span> return canTableBeDisabled;<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> }<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> * Action before disabling table.<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> * @param env MasterProcedureEnv<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> * @param state the procedure state<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> */<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> protected void preDisable(final MasterProcedureEnv env, final DisableTableState state)<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> throws IOException, InterruptedException {<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> runCoprocessorAction(env, state);<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> }<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> * Mark table state to Disabling<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> * @param env MasterProcedureEnv<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> */<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> private static void setTableStateToDisabling(final MasterProcedureEnv env,<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> final TableName tableName) throws IOException {<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> // Set table disabling flag up in zk.<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> env.getMasterServices().getTableStateManager().setTableState(tableName,<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> TableState.State.DISABLING);<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> LOG.info("Set {} to state={}", tableName, TableState.State.DISABLING);<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> }<a name="line.294"></a> |
| <span class="sourceLineNo">295</span><a name="line.295"></a> |
| <span class="sourceLineNo">296</span> /**<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> * Mark table state to Disabled<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> * @param env MasterProcedureEnv<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> */<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> protected static void setTableStateToDisabled(final MasterProcedureEnv env,<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> final TableName tableName) throws IOException {<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> // Flip the table to disabled<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> env.getMasterServices().getTableStateManager().setTableState(tableName,<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> TableState.State.DISABLED);<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> LOG.info("Set {} to state={}", tableName, TableState.State.DISABLED);<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> }<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> * Action after disabling table.<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> * @param env MasterProcedureEnv<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> * @param state the procedure state<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> */<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> protected void postDisable(final MasterProcedureEnv env, final DisableTableState state)<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> throws IOException, InterruptedException {<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> runCoprocessorAction(env, state);<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> }<a name="line.316"></a> |
| <span class="sourceLineNo">317</span><a name="line.317"></a> |
| <span class="sourceLineNo">318</span> /**<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> * Coprocessor Action.<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> * @param env MasterProcedureEnv<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> * @param state the procedure state<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> */<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> private void runCoprocessorAction(final MasterProcedureEnv env, final DisableTableState state)<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> throws IOException, InterruptedException {<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> final MasterCoprocessorHost cpHost = env.getMasterCoprocessorHost();<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> if (cpHost != null) {<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> switch (state) {<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> case DISABLE_TABLE_PRE_OPERATION:<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> cpHost.preDisableTableAction(tableName, getUser());<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> break;<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> case DISABLE_TABLE_POST_OPERATION:<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> cpHost.postCompletedDisableTableAction(tableName, getUser());<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> break;<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> default:<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> throw new UnsupportedOperationException(this + " unhandled state=" + state);<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> }<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> }<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> }<a name="line.338"></a> |
| <span class="sourceLineNo">339</span>}<a name="line.339"></a> |
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| </div> |
| </body> |
| </html> |
