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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/05/30 14:49:08 UTC
[10/51] [partial] hbase-site git commit: Published site at
997747076d8ec0b4346d7cb99c4b0667a7c14905.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/4df09ed9/devapidocs/src-html/org/apache/hadoop/hbase/security/access/AccessController.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/security/access/AccessController.html b/devapidocs/src-html/org/apache/hadoop/hbase/security/access/AccessController.html
index d7e2bf4..dbfd9ee 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/security/access/AccessController.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/security/access/AccessController.html
@@ -103,2497 +103,2454 @@
<span class="sourceLineNo">095</span>import org.apache.hadoop.hbase.io.hfile.HFile;<a name="line.95"></a>
<span class="sourceLineNo">096</span>import org.apache.hadoop.hbase.ipc.CoprocessorRpcUtils;<a name="line.96"></a>
<span class="sourceLineNo">097</span>import org.apache.hadoop.hbase.ipc.RpcServer;<a name="line.97"></a>
-<span class="sourceLineNo">098</span>import org.apache.hadoop.hbase.net.Address;<a name="line.98"></a>
-<span class="sourceLineNo">099</span>import org.apache.hadoop.hbase.protobuf.ProtobufUtil;<a name="line.99"></a>
-<span class="sourceLineNo">100</span>import org.apache.hadoop.hbase.protobuf.generated.AccessControlProtos;<a name="line.100"></a>
-<span class="sourceLineNo">101</span>import org.apache.hadoop.hbase.protobuf.generated.AccessControlProtos.AccessControlService;<a name="line.101"></a>
-<span class="sourceLineNo">102</span>import org.apache.hadoop.hbase.quotas.GlobalQuotaSettings;<a name="line.102"></a>
-<span class="sourceLineNo">103</span>import org.apache.hadoop.hbase.regionserver.BloomType;<a name="line.103"></a>
-<span class="sourceLineNo">104</span>import org.apache.hadoop.hbase.regionserver.FlushLifeCycleTracker;<a name="line.104"></a>
-<span class="sourceLineNo">105</span>import org.apache.hadoop.hbase.regionserver.InternalScanner;<a name="line.105"></a>
-<span class="sourceLineNo">106</span>import org.apache.hadoop.hbase.regionserver.MiniBatchOperationInProgress;<a name="line.106"></a>
-<span class="sourceLineNo">107</span>import org.apache.hadoop.hbase.regionserver.Region;<a name="line.107"></a>
-<span class="sourceLineNo">108</span>import org.apache.hadoop.hbase.regionserver.RegionScanner;<a name="line.108"></a>
-<span class="sourceLineNo">109</span>import org.apache.hadoop.hbase.regionserver.ScanType;<a name="line.109"></a>
-<span class="sourceLineNo">110</span>import org.apache.hadoop.hbase.regionserver.ScannerContext;<a name="line.110"></a>
-<span class="sourceLineNo">111</span>import org.apache.hadoop.hbase.regionserver.Store;<a name="line.111"></a>
-<span class="sourceLineNo">112</span>import org.apache.hadoop.hbase.regionserver.compactions.CompactionLifeCycleTracker;<a name="line.112"></a>
-<span class="sourceLineNo">113</span>import org.apache.hadoop.hbase.regionserver.compactions.CompactionRequest;<a name="line.113"></a>
-<span class="sourceLineNo">114</span>import org.apache.hadoop.hbase.replication.ReplicationEndpoint;<a name="line.114"></a>
-<span class="sourceLineNo">115</span>import org.apache.hadoop.hbase.replication.ReplicationPeerConfig;<a name="line.115"></a>
-<span class="sourceLineNo">116</span>import org.apache.hadoop.hbase.security.AccessDeniedException;<a name="line.116"></a>
-<span class="sourceLineNo">117</span>import org.apache.hadoop.hbase.security.Superusers;<a name="line.117"></a>
-<span class="sourceLineNo">118</span>import org.apache.hadoop.hbase.security.User;<a name="line.118"></a>
-<span class="sourceLineNo">119</span>import org.apache.hadoop.hbase.security.UserProvider;<a name="line.119"></a>
-<span class="sourceLineNo">120</span>import org.apache.hadoop.hbase.security.access.Permission.Action;<a name="line.120"></a>
-<span class="sourceLineNo">121</span>import org.apache.hadoop.hbase.snapshot.SnapshotDescriptionUtils;<a name="line.121"></a>
-<span class="sourceLineNo">122</span>import org.apache.hadoop.hbase.util.ByteRange;<a name="line.122"></a>
-<span class="sourceLineNo">123</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.123"></a>
-<span class="sourceLineNo">124</span>import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;<a name="line.124"></a>
-<span class="sourceLineNo">125</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.125"></a>
-<span class="sourceLineNo">126</span>import org.apache.hadoop.hbase.util.SimpleMutableByteRange;<a name="line.126"></a>
-<span class="sourceLineNo">127</span>import org.apache.hadoop.hbase.wal.WALEdit;<a name="line.127"></a>
-<span class="sourceLineNo">128</span>import org.apache.hadoop.hbase.zookeeper.ZKWatcher;<a name="line.128"></a>
-<span class="sourceLineNo">129</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.129"></a>
-<span class="sourceLineNo">130</span>import org.slf4j.Logger;<a name="line.130"></a>
-<span class="sourceLineNo">131</span>import org.slf4j.LoggerFactory;<a name="line.131"></a>
-<span class="sourceLineNo">132</span><a name="line.132"></a>
-<span class="sourceLineNo">133</span>import org.apache.hbase.thirdparty.com.google.common.collect.ArrayListMultimap;<a name="line.133"></a>
-<span class="sourceLineNo">134</span>import org.apache.hbase.thirdparty.com.google.common.collect.ImmutableSet;<a name="line.134"></a>
-<span class="sourceLineNo">135</span>import org.apache.hbase.thirdparty.com.google.common.collect.ListMultimap;<a name="line.135"></a>
-<span class="sourceLineNo">136</span>import org.apache.hbase.thirdparty.com.google.common.collect.Lists;<a name="line.136"></a>
-<span class="sourceLineNo">137</span>import org.apache.hbase.thirdparty.com.google.common.collect.MapMaker;<a name="line.137"></a>
-<span class="sourceLineNo">138</span>import org.apache.hbase.thirdparty.com.google.common.collect.Maps;<a name="line.138"></a>
-<span class="sourceLineNo">139</span>import org.apache.hbase.thirdparty.com.google.common.collect.Sets;<a name="line.139"></a>
-<span class="sourceLineNo">140</span><a name="line.140"></a>
-<span class="sourceLineNo">141</span>/**<a name="line.141"></a>
-<span class="sourceLineNo">142</span> * Provides basic authorization checks for data access and administrative<a name="line.142"></a>
-<span class="sourceLineNo">143</span> * operations.<a name="line.143"></a>
-<span class="sourceLineNo">144</span> *<a name="line.144"></a>
-<span class="sourceLineNo">145</span> * <p><a name="line.145"></a>
-<span class="sourceLineNo">146</span> * {@code AccessController} performs authorization checks for HBase operations<a name="line.146"></a>
-<span class="sourceLineNo">147</span> * based on:<a name="line.147"></a>
-<span class="sourceLineNo">148</span> * </p><a name="line.148"></a>
-<span class="sourceLineNo">149</span> * <ul><a name="line.149"></a>
-<span class="sourceLineNo">150</span> * <li>the identity of the user performing the operation</li><a name="line.150"></a>
-<span class="sourceLineNo">151</span> * <li>the scope over which the operation is performed, in increasing<a name="line.151"></a>
-<span class="sourceLineNo">152</span> * specificity: global, table, column family, or qualifier</li><a name="line.152"></a>
-<span class="sourceLineNo">153</span> * <li>the type of action being performed (as mapped to<a name="line.153"></a>
-<span class="sourceLineNo">154</span> * {@link Permission.Action} values)</li><a name="line.154"></a>
-<span class="sourceLineNo">155</span> * </ul><a name="line.155"></a>
-<span class="sourceLineNo">156</span> * <p><a name="line.156"></a>
-<span class="sourceLineNo">157</span> * If the authorization check fails, an {@link AccessDeniedException}<a name="line.157"></a>
-<span class="sourceLineNo">158</span> * will be thrown for the operation.<a name="line.158"></a>
-<span class="sourceLineNo">159</span> * </p><a name="line.159"></a>
-<span class="sourceLineNo">160</span> *<a name="line.160"></a>
-<span class="sourceLineNo">161</span> * <p><a name="line.161"></a>
-<span class="sourceLineNo">162</span> * To perform authorization checks, {@code AccessController} relies on the<a name="line.162"></a>
-<span class="sourceLineNo">163</span> * RpcServerEngine being loaded to provide<a name="line.163"></a>
-<span class="sourceLineNo">164</span> * the user identities for remote requests.<a name="line.164"></a>
-<span class="sourceLineNo">165</span> * </p><a name="line.165"></a>
-<span class="sourceLineNo">166</span> *<a name="line.166"></a>
-<span class="sourceLineNo">167</span> * <p><a name="line.167"></a>
-<span class="sourceLineNo">168</span> * The access control lists used for authorization can be manipulated via the<a name="line.168"></a>
-<span class="sourceLineNo">169</span> * exposed {@link AccessControlService} Interface implementation, and the associated<a name="line.169"></a>
-<span class="sourceLineNo">170</span> * {@code grant}, {@code revoke}, and {@code user_permission} HBase shell<a name="line.170"></a>
-<span class="sourceLineNo">171</span> * commands.<a name="line.171"></a>
-<span class="sourceLineNo">172</span> * </p><a name="line.172"></a>
-<span class="sourceLineNo">173</span> */<a name="line.173"></a>
-<span class="sourceLineNo">174</span>@CoreCoprocessor<a name="line.174"></a>
-<span class="sourceLineNo">175</span>@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.CONFIG)<a name="line.175"></a>
-<span class="sourceLineNo">176</span>public class AccessController implements MasterCoprocessor, RegionCoprocessor,<a name="line.176"></a>
-<span class="sourceLineNo">177</span> RegionServerCoprocessor, AccessControlService.Interface,<a name="line.177"></a>
-<span class="sourceLineNo">178</span> MasterObserver, RegionObserver, RegionServerObserver, EndpointObserver, BulkLoadObserver {<a name="line.178"></a>
-<span class="sourceLineNo">179</span> // TODO: encapsulate observer functions into separate class/sub-class.<a name="line.179"></a>
-<span class="sourceLineNo">180</span><a name="line.180"></a>
-<span class="sourceLineNo">181</span> private static final Logger LOG = LoggerFactory.getLogger(AccessController.class);<a name="line.181"></a>
-<span class="sourceLineNo">182</span><a name="line.182"></a>
-<span class="sourceLineNo">183</span> private static final Logger AUDITLOG =<a name="line.183"></a>
-<span class="sourceLineNo">184</span> LoggerFactory.getLogger("SecurityLogger."+AccessController.class.getName());<a name="line.184"></a>
-<span class="sourceLineNo">185</span> private static final String CHECK_COVERING_PERM = "check_covering_perm";<a name="line.185"></a>
-<span class="sourceLineNo">186</span> private static final String TAG_CHECK_PASSED = "tag_check_passed";<a name="line.186"></a>
-<span class="sourceLineNo">187</span> private static final byte[] TRUE = Bytes.toBytes(true);<a name="line.187"></a>
-<span class="sourceLineNo">188</span><a name="line.188"></a>
-<span class="sourceLineNo">189</span> private AccessChecker accessChecker;<a name="line.189"></a>
-<span class="sourceLineNo">190</span><a name="line.190"></a>
-<span class="sourceLineNo">191</span> /** flags if we are running on a region of the _acl_ table */<a name="line.191"></a>
-<span class="sourceLineNo">192</span> private boolean aclRegion = false;<a name="line.192"></a>
-<span class="sourceLineNo">193</span><a name="line.193"></a>
-<span class="sourceLineNo">194</span> /** defined only for Endpoint implementation, so it can have way to<a name="line.194"></a>
-<span class="sourceLineNo">195</span> access region services */<a name="line.195"></a>
-<span class="sourceLineNo">196</span> private RegionCoprocessorEnvironment regionEnv;<a name="line.196"></a>
-<span class="sourceLineNo">197</span><a name="line.197"></a>
-<span class="sourceLineNo">198</span> /** Mapping of scanner instances to the user who created them */<a name="line.198"></a>
-<span class="sourceLineNo">199</span> private Map<InternalScanner,String> scannerOwners =<a name="line.199"></a>
-<span class="sourceLineNo">200</span> new MapMaker().weakKeys().makeMap();<a name="line.200"></a>
-<span class="sourceLineNo">201</span><a name="line.201"></a>
-<span class="sourceLineNo">202</span> private Map<TableName, List<UserPermission>> tableAcls;<a name="line.202"></a>
-<span class="sourceLineNo">203</span><a name="line.203"></a>
-<span class="sourceLineNo">204</span> /** Provider for mapping principal names to Users */<a name="line.204"></a>
-<span class="sourceLineNo">205</span> private UserProvider userProvider;<a name="line.205"></a>
-<span class="sourceLineNo">206</span><a name="line.206"></a>
-<span class="sourceLineNo">207</span> /** if we are active, usually false, only true if "hbase.security.authorization"<a name="line.207"></a>
-<span class="sourceLineNo">208</span> has been set to true in site configuration */<a name="line.208"></a>
-<span class="sourceLineNo">209</span> private boolean authorizationEnabled;<a name="line.209"></a>
-<span class="sourceLineNo">210</span><a name="line.210"></a>
-<span class="sourceLineNo">211</span> /** if we are able to support cell ACLs */<a name="line.211"></a>
-<span class="sourceLineNo">212</span> private boolean cellFeaturesEnabled;<a name="line.212"></a>
-<span class="sourceLineNo">213</span><a name="line.213"></a>
-<span class="sourceLineNo">214</span> /** if we should check EXEC permissions */<a name="line.214"></a>
-<span class="sourceLineNo">215</span> private boolean shouldCheckExecPermission;<a name="line.215"></a>
-<span class="sourceLineNo">216</span><a name="line.216"></a>
-<span class="sourceLineNo">217</span> /** if we should terminate access checks early as soon as table or CF grants<a name="line.217"></a>
-<span class="sourceLineNo">218</span> allow access; pre-0.98 compatible behavior */<a name="line.218"></a>
-<span class="sourceLineNo">219</span> private boolean compatibleEarlyTermination;<a name="line.219"></a>
-<span class="sourceLineNo">220</span><a name="line.220"></a>
-<span class="sourceLineNo">221</span> /** if we have been successfully initialized */<a name="line.221"></a>
-<span class="sourceLineNo">222</span> private volatile boolean initialized = false;<a name="line.222"></a>
-<span class="sourceLineNo">223</span><a name="line.223"></a>
-<span class="sourceLineNo">224</span> /** if the ACL table is available, only relevant in the master */<a name="line.224"></a>
-<span class="sourceLineNo">225</span> private volatile boolean aclTabAvailable = false;<a name="line.225"></a>
-<span class="sourceLineNo">226</span><a name="line.226"></a>
-<span class="sourceLineNo">227</span> public static boolean isCellAuthorizationSupported(Configuration conf) {<a name="line.227"></a>
-<span class="sourceLineNo">228</span> return AccessChecker.isAuthorizationSupported(conf) &&<a name="line.228"></a>
-<span class="sourceLineNo">229</span> (HFile.getFormatVersion(conf) >= HFile.MIN_FORMAT_VERSION_WITH_TAGS);<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> public Region getRegion() {<a name="line.232"></a>
-<span class="sourceLineNo">233</span> return regionEnv != null ? regionEnv.getRegion() : null;<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> public TableAuthManager getAuthManager() {<a name="line.236"></a>
-<span class="sourceLineNo">237</span> return accessChecker.getAuthManager();<a name="line.237"></a>
-<span class="sourceLineNo">238</span> }<a name="line.238"></a>
-<span class="sourceLineNo">239</span><a name="line.239"></a>
-<span class="sourceLineNo">240</span> private void initialize(RegionCoprocessorEnvironment e) throws IOException {<a name="line.240"></a>
-<span class="sourceLineNo">241</span> final Region region = e.getRegion();<a name="line.241"></a>
-<span class="sourceLineNo">242</span> Configuration conf = e.getConfiguration();<a name="line.242"></a>
-<span class="sourceLineNo">243</span> Map<byte[], ListMultimap<String,TablePermission>> tables =<a name="line.243"></a>
-<span class="sourceLineNo">244</span> AccessControlLists.loadAll(region);<a name="line.244"></a>
-<span class="sourceLineNo">245</span> // For each table, write out the table's permissions to the respective<a name="line.245"></a>
-<span class="sourceLineNo">246</span> // znode for that table.<a name="line.246"></a>
-<span class="sourceLineNo">247</span> for (Map.Entry<byte[], ListMultimap<String,TablePermission>> t:<a name="line.247"></a>
-<span class="sourceLineNo">248</span> tables.entrySet()) {<a name="line.248"></a>
-<span class="sourceLineNo">249</span> byte[] entry = t.getKey();<a name="line.249"></a>
-<span class="sourceLineNo">250</span> ListMultimap<String,TablePermission> perms = t.getValue();<a name="line.250"></a>
-<span class="sourceLineNo">251</span> byte[] serialized = AccessControlLists.writePermissionsAsBytes(perms, conf);<a name="line.251"></a>
-<span class="sourceLineNo">252</span> getAuthManager().getZKPermissionWatcher().writeToZookeeper(entry, serialized);<a name="line.252"></a>
-<span class="sourceLineNo">253</span> }<a name="line.253"></a>
-<span class="sourceLineNo">254</span> initialized = true;<a name="line.254"></a>
-<span class="sourceLineNo">255</span> }<a name="line.255"></a>
-<span class="sourceLineNo">256</span><a name="line.256"></a>
-<span class="sourceLineNo">257</span> /**<a name="line.257"></a>
-<span class="sourceLineNo">258</span> * Writes all table ACLs for the tables in the given Map up into ZooKeeper<a name="line.258"></a>
-<span class="sourceLineNo">259</span> * znodes. This is called to synchronize ACL changes following {@code _acl_}<a name="line.259"></a>
-<span class="sourceLineNo">260</span> * table updates.<a name="line.260"></a>
-<span class="sourceLineNo">261</span> */<a name="line.261"></a>
-<span class="sourceLineNo">262</span> private void updateACL(RegionCoprocessorEnvironment e,<a name="line.262"></a>
-<span class="sourceLineNo">263</span> final Map<byte[], List<Cell>> familyMap) {<a name="line.263"></a>
-<span class="sourceLineNo">264</span> Set<byte[]> entries = new TreeSet<>(Bytes.BYTES_RAWCOMPARATOR);<a name="line.264"></a>
-<span class="sourceLineNo">265</span> for (Map.Entry<byte[], List<Cell>> f : familyMap.entrySet()) {<a name="line.265"></a>
-<span class="sourceLineNo">266</span> List<Cell> cells = f.getValue();<a name="line.266"></a>
-<span class="sourceLineNo">267</span> for (Cell cell: cells) {<a name="line.267"></a>
-<span class="sourceLineNo">268</span> if (CellUtil.matchingFamily(cell, AccessControlLists.ACL_LIST_FAMILY)) {<a name="line.268"></a>
-<span class="sourceLineNo">269</span> entries.add(CellUtil.cloneRow(cell));<a name="line.269"></a>
-<span class="sourceLineNo">270</span> }<a name="line.270"></a>
-<span class="sourceLineNo">271</span> }<a name="line.271"></a>
-<span class="sourceLineNo">272</span> }<a name="line.272"></a>
-<span class="sourceLineNo">273</span> ZKPermissionWatcher zkw = getAuthManager().getZKPermissionWatcher();<a name="line.273"></a>
-<span class="sourceLineNo">274</span> Configuration conf = regionEnv.getConfiguration();<a name="line.274"></a>
-<span class="sourceLineNo">275</span> byte [] currentEntry = null;<a name="line.275"></a>
-<span class="sourceLineNo">276</span> // TODO: Here we are already on the ACL region. (And it is single<a name="line.276"></a>
-<span class="sourceLineNo">277</span> // region) We can even just get the region from the env and do get<a name="line.277"></a>
-<span class="sourceLineNo">278</span> // directly. The short circuit connection would avoid the RPC overhead<a name="line.278"></a>
-<span class="sourceLineNo">279</span> // so no socket communication, req write/read .. But we have the PB<a name="line.279"></a>
-<span class="sourceLineNo">280</span> // to and fro conversion overhead. get req is converted to PB req<a name="line.280"></a>
-<span class="sourceLineNo">281</span> // and results are converted to PB results 1st and then to POJOs<a name="line.281"></a>
-<span class="sourceLineNo">282</span> // again. We could have avoided such at least in ACL table context..<a name="line.282"></a>
-<span class="sourceLineNo">283</span> try (Table t = e.getConnection().getTable(AccessControlLists.ACL_TABLE_NAME)) {<a name="line.283"></a>
-<span class="sourceLineNo">284</span> for (byte[] entry : entries) {<a name="line.284"></a>
-<span class="sourceLineNo">285</span> currentEntry = entry;<a name="line.285"></a>
-<span class="sourceLineNo">286</span> ListMultimap<String, TablePermission> perms =<a name="line.286"></a>
-<span class="sourceLineNo">287</span> AccessControlLists.getPermissions(conf, entry, t);<a name="line.287"></a>
-<span class="sourceLineNo">288</span> byte[] serialized = AccessControlLists.writePermissionsAsBytes(perms, conf);<a name="line.288"></a>
-<span class="sourceLineNo">289</span> zkw.writeToZookeeper(entry, serialized);<a name="line.289"></a>
-<span class="sourceLineNo">290</span> }<a name="line.290"></a>
-<span class="sourceLineNo">291</span> } catch(IOException ex) {<a name="line.291"></a>
-<span class="sourceLineNo">292</span> LOG.error("Failed updating permissions mirror for '" +<a name="line.292"></a>
-<span class="sourceLineNo">293</span> (currentEntry == null? "null": Bytes.toString(currentEntry)) + "'", ex);<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> /**<a name="line.297"></a>
-<span class="sourceLineNo">298</span> * Check the current user for authorization to perform a specific action<a name="line.298"></a>
-<span class="sourceLineNo">299</span> * against the given set of row data.<a name="line.299"></a>
-<span class="sourceLineNo">300</span> *<a name="line.300"></a>
-<span class="sourceLineNo">301</span> * <p>Note: Ordering of the authorization checks<a name="line.301"></a>
-<span class="sourceLineNo">302</span> * has been carefully optimized to short-circuit the most common requests<a name="line.302"></a>
-<span class="sourceLineNo">303</span> * and minimize the amount of processing required.</p><a name="line.303"></a>
-<span class="sourceLineNo">304</span> *<a name="line.304"></a>
-<span class="sourceLineNo">305</span> * @param permRequest the action being requested<a name="line.305"></a>
-<span class="sourceLineNo">306</span> * @param e the coprocessor environment<a name="line.306"></a>
-<span class="sourceLineNo">307</span> * @param families the map of column families to qualifiers present in<a name="line.307"></a>
-<span class="sourceLineNo">308</span> * the request<a name="line.308"></a>
-<span class="sourceLineNo">309</span> * @return an authorization result<a name="line.309"></a>
-<span class="sourceLineNo">310</span> */<a name="line.310"></a>
-<span class="sourceLineNo">311</span> private AuthResult permissionGranted(String request, User user, Action permRequest,<a name="line.311"></a>
-<span class="sourceLineNo">312</span> RegionCoprocessorEnvironment e,<a name="line.312"></a>
-<span class="sourceLineNo">313</span> Map<byte [], ? extends Collection<?>> families) {<a name="line.313"></a>
-<span class="sourceLineNo">314</span> RegionInfo hri = e.getRegion().getRegionInfo();<a name="line.314"></a>
-<span class="sourceLineNo">315</span> TableName tableName = hri.getTable();<a name="line.315"></a>
-<span class="sourceLineNo">316</span><a name="line.316"></a>
-<span class="sourceLineNo">317</span> // 1. All users need read access to hbase:meta table.<a name="line.317"></a>
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