http://git-wip-us.apache.org/repos/asf/hbase-site/blob/b838bdf0/devapidocs/src-html/org/apache/hadoop/hbase/security/visibility/VisibilityController.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/security/visibility/VisibilityController.html b/devapidocs/src-html/org/apache/hadoop/hbase/security/visibility/VisibilityController.html index dc1bb25..f04e965 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/security/visibility/VisibilityController.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/security/visibility/VisibilityController.html @@ -31,876 +31,876 @@ <span class="sourceLineNo">023</span>import static org.apache.hadoop.hbase.security.visibility.VisibilityConstants.LABELS_TABLE_FAMILY;<a name="line.23"></a> <span class="sourceLineNo">024</span>import static org.apache.hadoop.hbase.security.visibility.VisibilityConstants.LABELS_TABLE_NAME;<a name="line.24"></a> <span class="sourceLineNo">025</span><a name="line.25"></a> -<span class="sourceLineNo">026</span>import java.io.IOException;<a name="line.26"></a> -<span class="sourceLineNo">027</span>import java.net.InetAddress;<a name="line.27"></a> -<span class="sourceLineNo">028</span>import java.util.ArrayList;<a name="line.28"></a> -<span class="sourceLineNo">029</span>import java.util.Collections;<a name="line.29"></a> -<span class="sourceLineNo">030</span>import java.util.HashMap;<a name="line.30"></a> -<span class="sourceLineNo">031</span>import java.util.Iterator;<a name="line.31"></a> -<span class="sourceLineNo">032</span>import java.util.List;<a name="line.32"></a> -<span class="sourceLineNo">033</span>import java.util.Map;<a name="line.33"></a> -<span class="sourceLineNo">034</span>import java.util.Optional;<a name="line.34"></a> -<span class="sourceLineNo">035</span><a name="line.35"></a> -<span class="sourceLineNo">036</span>import org.apache.commons.logging.Log;<a name="line.36"></a> -<span class="sourceLineNo">037</span>import org.apache.commons.logging.LogFactory;<a name="line.37"></a> -<span class="sourceLineNo">038</span>import org.apache.hadoop.conf.Configuration;<a name="line.38"></a> -<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.AuthUtil;<a name="line.39"></a> -<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.Cell;<a name="line.40"></a> -<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.CellScanner;<a name="line.41"></a> -<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.CellUtil;<a name="line.42"></a> -<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.CoprocessorEnvironment;<a name="line.43"></a> -<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.DoNotRetryIOException;<a name="line.44"></a> -<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.HBaseInterfaceAudience;<a name="line.45"></a> -<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.HColumnDescriptor;<a name="line.46"></a> -<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.HConstants;<a name="line.47"></a> -<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.HTableDescriptor;<a name="line.48"></a> -<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.MetaTableAccessor;<a name="line.49"></a> -<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.TableName;<a name="line.50"></a> -<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.Tag;<a name="line.51"></a> -<span class="sourceLineNo">052</span>import org.apache.hadoop.hbase.TagType;<a name="line.52"></a> -<span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.TagUtil;<a name="line.53"></a> -<span class="sourceLineNo">054</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.54"></a> -<span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.client.Append;<a name="line.55"></a> -<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.client.ColumnFamilyDescriptor;<a name="line.56"></a> -<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.client.Delete;<a name="line.57"></a> -<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.client.Get;<a name="line.58"></a> -<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.client.Increment;<a name="line.59"></a> -<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.client.MasterSwitchType;<a name="line.60"></a> -<span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.client.Mutation;<a name="line.61"></a> -<span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.client.Put;<a name="line.62"></a> -<span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.client.Result;<a name="line.63"></a> -<span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.client.Scan;<a name="line.64"></a> -<span class="sourceLineNo">065</span>import org.apache.hadoop.hbase.client.TableDescriptor;<a name="line.65"></a> -<span class="sourceLineNo">066</span>import org.apache.hadoop.hbase.constraint.ConstraintException;<a name="line.66"></a> -<span class="sourceLineNo">067</span>import org.apache.hadoop.hbase.coprocessor.CoprocessorException;<a name="line.67"></a> -<span class="sourceLineNo">068</span>import org.apache.hadoop.hbase.coprocessor.CoprocessorHost;<a name="line.68"></a> -<span class="sourceLineNo">069</span>import org.apache.hadoop.hbase.coprocessor.MasterCoprocessor;<a name="line.69"></a> -<span class="sourceLineNo">070</span>import org.apache.hadoop.hbase.coprocessor.MasterCoprocessorEnvironment;<a name="line.70"></a> -<span class="sourceLineNo">071</span>import org.apache.hadoop.hbase.coprocessor.MasterObserver;<a name="line.71"></a> -<span class="sourceLineNo">072</span>import org.apache.hadoop.hbase.coprocessor.ObserverContext;<a name="line.72"></a> -<span class="sourceLineNo">073</span>import org.apache.hadoop.hbase.coprocessor.RegionCoprocessor;<a name="line.73"></a> -<span class="sourceLineNo">074</span>import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;<a name="line.74"></a> -<span class="sourceLineNo">075</span>import org.apache.hadoop.hbase.coprocessor.RegionObserver;<a name="line.75"></a> -<span class="sourceLineNo">076</span>import org.apache.hadoop.hbase.exceptions.DeserializationException;<a name="line.76"></a> -<span class="sourceLineNo">077</span>import org.apache.hadoop.hbase.exceptions.FailedSanityCheckException;<a name="line.77"></a> -<span class="sourceLineNo">078</span>import org.apache.hadoop.hbase.filter.Filter;<a name="line.78"></a> -<span class="sourceLineNo">079</span>import org.apache.hadoop.hbase.filter.FilterBase;<a name="line.79"></a> -<span class="sourceLineNo">080</span>import org.apache.hadoop.hbase.filter.FilterList;<a name="line.80"></a> -<span class="sourceLineNo">081</span>import org.apache.hadoop.hbase.io.hfile.HFile;<a name="line.81"></a> -<span class="sourceLineNo">082</span>import org.apache.hadoop.hbase.ipc.CoprocessorRpcUtils;<a name="line.82"></a> -<span class="sourceLineNo">083</span>import org.apache.hadoop.hbase.ipc.RpcServer;<a name="line.83"></a> -<span class="sourceLineNo">084</span>import org.apache.hadoop.hbase.master.MasterServices;<a name="line.84"></a> -<span class="sourceLineNo">085</span>import org.apache.hadoop.hbase.protobuf.generated.HBaseProtos.NameBytesPair;<a name="line.85"></a> -<span class="sourceLineNo">086</span>import org.apache.hadoop.hbase.protobuf.generated.ClientProtos.RegionActionResult;<a name="line.86"></a> -<span class="sourceLineNo">087</span>import org.apache.hadoop.hbase.protobuf.generated.VisibilityLabelsProtos;<a name="line.87"></a> -<span class="sourceLineNo">088</span>import org.apache.hadoop.hbase.protobuf.generated.VisibilityLabelsProtos.GetAuthsRequest;<a name="line.88"></a> -<span class="sourceLineNo">089</span>import org.apache.hadoop.hbase.protobuf.generated.VisibilityLabelsProtos.GetAuthsResponse;<a name="line.89"></a> -<span class="sourceLineNo">090</span>import org.apache.hadoop.hbase.protobuf.generated.VisibilityLabelsProtos.ListLabelsRequest;<a name="line.90"></a> -<span class="sourceLineNo">091</span>import org.apache.hadoop.hbase.protobuf.generated.VisibilityLabelsProtos.ListLabelsResponse;<a name="line.91"></a> -<span class="sourceLineNo">092</span>import org.apache.hadoop.hbase.protobuf.generated.VisibilityLabelsProtos.SetAuthsRequest;<a name="line.92"></a> -<span class="sourceLineNo">093</span>import org.apache.hadoop.hbase.protobuf.generated.VisibilityLabelsProtos.VisibilityLabel;<a name="line.93"></a> -<span class="sourceLineNo">094</span>import org.apache.hadoop.hbase.protobuf.generated.VisibilityLabelsProtos.VisibilityLabelsRequest;<a name="line.94"></a> -<span class="sourceLineNo">095</span>import org.apache.hadoop.hbase.protobuf.generated.VisibilityLabelsProtos.VisibilityLabelsResponse;<a name="line.95"></a> -<span class="sourceLineNo">096</span>import org.apache.hadoop.hbase.protobuf.generated.VisibilityLabelsProtos.VisibilityLabelsService;<a name="line.96"></a> -<span class="sourceLineNo">097</span>import org.apache.hadoop.hbase.regionserver.BloomType;<a name="line.97"></a> -<span class="sourceLineNo">098</span>import org.apache.hadoop.hbase.regionserver.DisabledRegionSplitPolicy;<a name="line.98"></a> -<span class="sourceLineNo">099</span>import org.apache.hadoop.hbase.regionserver.InternalScanner;<a name="line.99"></a> -<span class="sourceLineNo">100</span>import org.apache.hadoop.hbase.regionserver.MiniBatchOperationInProgress;<a name="line.100"></a> -<span class="sourceLineNo">101</span>import org.apache.hadoop.hbase.regionserver.OperationStatus;<a name="line.101"></a> -<span class="sourceLineNo">102</span>import org.apache.hadoop.hbase.regionserver.Region;<a name="line.102"></a> -<span class="sourceLineNo">103</span>import org.apache.hadoop.hbase.regionserver.RegionScanner;<a name="line.103"></a> -<span class="sourceLineNo">104</span>import org.apache.hadoop.hbase.regionserver.querymatcher.DeleteTracker;<a name="line.104"></a> -<span class="sourceLineNo">105</span>import org.apache.hadoop.hbase.security.AccessDeniedException;<a name="line.105"></a> -<span class="sourceLineNo">106</span>import org.apache.hadoop.hbase.security.Superusers;<a name="line.106"></a> -<span class="sourceLineNo">107</span>import org.apache.hadoop.hbase.security.User;<a name="line.107"></a> -<span class="sourceLineNo">108</span>import org.apache.hadoop.hbase.security.access.AccessController;<a name="line.108"></a> -<span class="sourceLineNo">109</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.109"></a> -<span class="sourceLineNo">110</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.110"></a> -<span class="sourceLineNo">111</span>import org.apache.hadoop.util.StringUtils;<a name="line.111"></a> -<span class="sourceLineNo">112</span><a name="line.112"></a> -<span class="sourceLineNo">113</span>import org.apache.hadoop.hbase.shaded.com.google.common.collect.Lists;<a name="line.113"></a> -<span class="sourceLineNo">114</span>import org.apache.hadoop.hbase.shaded.com.google.common.collect.MapMaker;<a name="line.114"></a> -<span class="sourceLineNo">115</span>import com.google.protobuf.ByteString;<a name="line.115"></a> -<span class="sourceLineNo">116</span>import com.google.protobuf.RpcCallback;<a name="line.116"></a> -<span class="sourceLineNo">117</span>import com.google.protobuf.RpcController;<a name="line.117"></a> -<span class="sourceLineNo">118</span>import com.google.protobuf.Service;<a name="line.118"></a> -<span class="sourceLineNo">119</span><a name="line.119"></a> -<span class="sourceLineNo">120</span>/**<a name="line.120"></a> -<span class="sourceLineNo">121</span> * Coprocessor that has both the MasterObserver and RegionObserver implemented that supports in<a name="line.121"></a> -<span class="sourceLineNo">122</span> * visibility labels<a name="line.122"></a> -<span class="sourceLineNo">123</span> */<a name="line.123"></a> -<span class="sourceLineNo">124</span>@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.CONFIG)<a name="line.124"></a> -<span class="sourceLineNo">125</span>// TODO: break out Observer functions into separate class/sub-class.<a name="line.125"></a> -<span class="sourceLineNo">126</span>public class VisibilityController implements MasterCoprocessor, RegionCoprocessor,<a name="line.126"></a> -<span class="sourceLineNo">127</span> VisibilityLabelsService.Interface, MasterObserver, RegionObserver {<a name="line.127"></a> -<span class="sourceLineNo">128</span><a name="line.128"></a> -<span class="sourceLineNo">129</span> private static final Log LOG = LogFactory.getLog(VisibilityController.class);<a name="line.129"></a> -<span class="sourceLineNo">130</span> private static final Log AUDITLOG = LogFactory.getLog("SecurityLogger."<a name="line.130"></a> -<span class="sourceLineNo">131</span> + VisibilityController.class.getName());<a name="line.131"></a> -<span class="sourceLineNo">132</span> // flags if we are running on a region of the 'labels' table<a name="line.132"></a> -<span class="sourceLineNo">133</span> private boolean labelsRegion = false;<a name="line.133"></a> -<span class="sourceLineNo">134</span> // Flag denoting whether AcessController is available or not.<a name="line.134"></a> -<span class="sourceLineNo">135</span> private boolean accessControllerAvailable = false;<a name="line.135"></a> -<span class="sourceLineNo">136</span> private Configuration conf;<a name="line.136"></a> -<span class="sourceLineNo">137</span> private volatile boolean initialized = false;<a name="line.137"></a> -<span class="sourceLineNo">138</span> private boolean checkAuths = false;<a name="line.138"></a> -<span class="sourceLineNo">139</span> /** Mapping of scanner instances to the user who created them */<a name="line.139"></a> -<span class="sourceLineNo">140</span> private Map<InternalScanner,String> scannerOwners =<a name="line.140"></a> -<span class="sourceLineNo">141</span> new MapMaker().weakKeys().makeMap();<a name="line.141"></a> -<span class="sourceLineNo">142</span><a name="line.142"></a> -<span class="sourceLineNo">143</span> private VisibilityLabelService visibilityLabelService;<a name="line.143"></a> -<span class="sourceLineNo">144</span><a name="line.144"></a> -<span class="sourceLineNo">145</span> /** if we are active, usually true, only not true if "hbase.security.authorization"<a name="line.145"></a> -<span class="sourceLineNo">146</span> has been set to false in site configuration */<a name="line.146"></a> -<span class="sourceLineNo">147</span> boolean authorizationEnabled;<a name="line.147"></a> -<span class="sourceLineNo">148</span><a name="line.148"></a> -<span class="sourceLineNo">149</span> // Add to this list if there are any reserved tag types<a name="line.149"></a> -<span class="sourceLineNo">150</span> private static ArrayList<Byte> RESERVED_VIS_TAG_TYPES = new ArrayList<>();<a name="line.150"></a> -<span class="sourceLineNo">151</span> static {<a name="line.151"></a> -<span class="sourceLineNo">152</span> RESERVED_VIS_TAG_TYPES.add(TagType.VISIBILITY_TAG_TYPE);<a name="line.152"></a> -<span class="sourceLineNo">153</span> RESERVED_VIS_TAG_TYPES.add(TagType.VISIBILITY_EXP_SERIALIZATION_FORMAT_TAG_TYPE);<a name="line.153"></a> -<span class="sourceLineNo">154</span> RESERVED_VIS_TAG_TYPES.add(TagType.STRING_VIS_TAG_TYPE);<a name="line.154"></a> -<span class="sourceLineNo">155</span> }<a name="line.155"></a> -<span class="sourceLineNo">156</span><a name="line.156"></a> -<span class="sourceLineNo">157</span> public static boolean isAuthorizationSupported(Configuration conf) {<a name="line.157"></a> -<span class="sourceLineNo">158</span> return conf.getBoolean(User.HBASE_SECURITY_AUTHORIZATION_CONF_KEY, true);<a name="line.158"></a> -<span class="sourceLineNo">159</span> }<a name="line.159"></a> -<span class="sourceLineNo">160</span><a name="line.160"></a> -<span class="sourceLineNo">161</span> public static boolean isCellAuthorizationSupported(Configuration conf) {<a name="line.161"></a> -<span class="sourceLineNo">162</span> return isAuthorizationSupported(conf);<a name="line.162"></a> -<span class="sourceLineNo">163</span> }<a name="line.163"></a> -<span class="sourceLineNo">164</span><a name="line.164"></a> -<span class="sourceLineNo">165</span> @Override<a name="line.165"></a> -<span class="sourceLineNo">166</span> public void start(CoprocessorEnvironment env) throws IOException {<a name="line.166"></a> -<span class="sourceLineNo">167</span> this.conf = env.getConfiguration();<a name="line.167"></a> -<span class="sourceLineNo">168</span><a name="line.168"></a> -<span class="sourceLineNo">169</span> authorizationEnabled = isAuthorizationSupported(conf);<a name="line.169"></a> -<span class="sourceLineNo">170</span> if (!authorizationEnabled) {<a name="line.170"></a> -<span class="sourceLineNo">171</span> LOG.warn("The VisibilityController has been loaded with authorization checks disabled.");<a name="line.171"></a> -<span class="sourceLineNo">172</span> }<a name="line.172"></a> -<span class="sourceLineNo">173</span><a name="line.173"></a> -<span class="sourceLineNo">174</span> if (HFile.getFormatVersion(conf) < HFile.MIN_FORMAT_VERSION_WITH_TAGS) {<a name="line.174"></a> -<span class="sourceLineNo">175</span> throw new RuntimeException("A minimum HFile version of " + HFile.MIN_FORMAT_VERSION_WITH_TAGS<a name="line.175"></a> -<span class="sourceLineNo">176</span> + " is required to persist visibility labels. Consider setting " + HFile.FORMAT_VERSION_KEY<a name="line.176"></a> -<span class="sourceLineNo">177</span> + " accordingly.");<a name="line.177"></a> -<span class="sourceLineNo">178</span> }<a name="line.178"></a> -<span class="sourceLineNo">179</span><a name="line.179"></a> -<span class="sourceLineNo">180</span> // Do not create for master CPs<a name="line.180"></a> -<span class="sourceLineNo">181</span> if (!(env instanceof MasterCoprocessorEnvironment)) {<a name="line.181"></a> -<span class="sourceLineNo">182</span> visibilityLabelService = VisibilityLabelServiceManager.getInstance()<a name="line.182"></a> -<span class="sourceLineNo">183</span> .getVisibilityLabelService(this.conf);<a name="line.183"></a> -<span class="sourceLineNo">184</span> }<a name="line.184"></a> -<span class="sourceLineNo">185</span> }<a name="line.185"></a> -<span class="sourceLineNo">186</span><a name="line.186"></a> -<span class="sourceLineNo">187</span> @Override<a name="line.187"></a> -<span class="sourceLineNo">188</span> public void stop(CoprocessorEnvironment env) throws IOException {<a name="line.188"></a> -<span class="sourceLineNo">189</span><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> /**************************** Observer/Service Getters ************************************/<a name="line.192"></a> -<span class="sourceLineNo">193</span> @Override<a name="line.193"></a> -<span class="sourceLineNo">194</span> public Optional<RegionObserver> getRegionObserver() {<a name="line.194"></a> -<span class="sourceLineNo">195</span> return Optional.of(this);<a name="line.195"></a> -<span class="sourceLineNo">196</span> }<a name="line.196"></a> -<span class="sourceLineNo">197</span><a name="line.197"></a> -<span class="sourceLineNo">198</span> @Override<a name="line.198"></a> -<span class="sourceLineNo">199</span> public Optional<MasterObserver> getMasterObserver() {<a name="line.199"></a> -<span class="sourceLineNo">200</span> return Optional.of(this);<a name="line.200"></a> -<span class="sourceLineNo">201</span> }<a name="line.201"></a> -<span class="sourceLineNo">202</span><a name="line.202"></a> -<span class="sourceLineNo">203</span> @Override<a name="line.203"></a> -<span class="sourceLineNo">204</span> public Iterable<Service> getServices() {<a name="line.204"></a> -<span class="sourceLineNo">205</span> return Collections.singleton(<a name="line.205"></a> -<span class="sourceLineNo">206</span> VisibilityLabelsProtos.VisibilityLabelsService.newReflectiveService(this));<a name="line.206"></a> -<span class="sourceLineNo">207</span> }<a name="line.207"></a> -<span class="sourceLineNo">208</span><a name="line.208"></a> -<span class="sourceLineNo">209</span> /********************************* Master related hooks **********************************/<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 postStartMaster(ObserverContext<MasterCoprocessorEnvironment> ctx) throws IOException {<a name="line.212"></a> -<span class="sourceLineNo">213</span> // Need to create the new system table for labels here<a name="line.213"></a> -<span class="sourceLineNo">214</span> MasterServices master = ctx.getEnvironment().getMasterServices();<a name="line.214"></a> -<span class="sourceLineNo">215</span> if (!MetaTableAccessor.tableExists(master.getConnection(), LABELS_TABLE_NAME)) {<a name="line.215"></a> -<span class="sourceLineNo">216</span> HTableDescriptor labelsTable = new HTableDescriptor(LABELS_TABLE_NAME);<a name="line.216"></a> -<span class="sourceLineNo">217</span> HColumnDescriptor labelsColumn = new HColumnDescriptor(LABELS_TABLE_FAMILY);<a name="line.217"></a> -<span class="sourceLineNo">218</span> labelsColumn.setBloomFilterType(BloomType.NONE);<a name="line.218"></a> -<span class="sourceLineNo">219</span> labelsColumn.setBlockCacheEnabled(false); // We will cache all the labels. No need of normal<a name="line.219"></a> -<span class="sourceLineNo">220</span> // table block cache.<a name="line.220"></a> -<span class="sourceLineNo">221</span> labelsTable.addFamily(labelsColumn);<a name="line.221"></a> -<span class="sourceLineNo">222</span> // Let the "labels" table having only one region always. We are not expecting too many labels in<a name="line.222"></a> -<span class="sourceLineNo">223</span> // the system.<a name="line.223"></a> -<span class="sourceLineNo">224</span> labelsTable.setValue(HTableDescriptor.SPLIT_POLICY,<a name="line.224"></a> -<span class="sourceLineNo">225</span> DisabledRegionSplitPolicy.class.getName());<a name="line.225"></a> -<span class="sourceLineNo">226</span> labelsTable.setValue(Bytes.toBytes(HConstants.DISALLOW_WRITES_IN_RECOVERING),<a name="line.226"></a> -<span class="sourceLineNo">227</span> Bytes.toBytes(true));<a name="line.227"></a> -<span class="sourceLineNo">228</span> master.createSystemTable(labelsTable);<a name="line.228"></a> -<span class="sourceLineNo">229</span> }<a name="line.229"></a> -<span class="sourceLineNo">230</span> }<a name="line.230"></a> -<span class="sourceLineNo">231</span><a name="line.231"></a> -<span class="sourceLineNo">232</span> @Override<a name="line.232"></a> -<span class="sourceLineNo">233</span> public void preModifyTable(ObserverContext<MasterCoprocessorEnvironment> ctx,<a name="line.233"></a> -<span class="sourceLineNo">234</span> TableName tableName, TableDescriptor htd) throws IOException {<a name="line.234"></a> -<span class="sourceLineNo">235</span> if (!authorizationEnabled) {<a name="line.235"></a> -<span class="sourceLineNo">236</span> return;<a name="line.236"></a> -<span class="sourceLineNo">237</span> }<a name="line.237"></a> -<span class="sourceLineNo">238</span> if (LABELS_TABLE_NAME.equals(tableName)) {<a name="line.238"></a> -<span class="sourceLineNo">239</span> throw new ConstraintException("Cannot alter " + LABELS_TABLE_NAME);<a name="line.239"></a> -<span class="sourceLineNo">240</span> }<a name="line.240"></a> -<span class="sourceLineNo">241</span> }<a name="line.241"></a> -<span class="sourceLineNo">242</span><a name="line.242"></a> -<span class="sourceLineNo">243</span> @Override<a name="line.243"></a> -<span class="sourceLineNo">244</span> public void preAddColumnFamily(ObserverContext<MasterCoprocessorEnvironment> ctx,<a name="line.244"></a> -<span class="sourceLineNo">245</span> TableName tableName, ColumnFamilyDescriptor columnFamily)<a name="line.245"></a> -<span class="sourceLineNo">246</span> throws IOException {<a name="line.246"></a> -<span class="sourceLineNo">247</span> if (!authorizationEnabled) {<a name="line.247"></a> -<span class="sourceLineNo">248</span> return;<a name="line.248"></a> -<span class="sourceLineNo">249</span> }<a name="line.249"></a> -<span class="sourceLineNo">250</span> if (LABELS_TABLE_NAME.equals(tableName)) {<a name="line.250"></a> -<span class="sourceLineNo">251</span> throw new ConstraintException("Cannot alter " + LABELS_TABLE_NAME);<a name="line.251"></a> -<span class="sourceLineNo">252</span> }<a name="line.252"></a> -<span class="sourceLineNo">253</span> }<a name="line.253"></a> -<span class="sourceLineNo">254</span><a name="line.254"></a> -<span class="sourceLineNo">255</span> @Override<a 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<TRUNCATED>
