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From git-site-r...@apache.org
Subject [14/51] [partial] hbase-site git commit: Published site at .
Date Tue, 26 Sep 2017 15:14:11 GMT
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/8e4e1542/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/SecureBulkLoadManager.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/SecureBulkLoadManager.html b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/SecureBulkLoadManager.html
index 3718311..89c6164 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/SecureBulkLoadManager.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/SecureBulkLoadManager.html
@@ -37,401 +37,402 @@
 <span class="sourceLineNo">029</span>import org.apache.hadoop.hbase.DoNotRetryIOException;<a name="line.29"></a>
 <span class="sourceLineNo">030</span>import org.apache.hadoop.hbase.HConstants;<a name="line.30"></a>
 <span class="sourceLineNo">031</span>import org.apache.hadoop.hbase.TableName;<a name="line.31"></a>
-<span class="sourceLineNo">032</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.32"></a>
-<span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.33"></a>
-<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.coprocessor.BulkLoadObserver;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.coprocessor.ObserverContext;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.ipc.RpcServer;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.BulkLoadHFileRequest;<a name="line.39"></a>
-<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.CleanupBulkLoadRequest;<a name="line.40"></a>
-<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos.PrepareBulkLoadRequest;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.regionserver.Region.BulkLoadListener;<a name="line.42"></a>
-<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.security.User;<a name="line.43"></a>
-<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.security.UserProvider;<a name="line.44"></a>
-<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.security.token.FsDelegationToken;<a name="line.45"></a>
-<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.security.token.TokenUtil;<a name="line.46"></a>
-<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.47"></a>
-<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.util.FSHDFSUtils;<a name="line.48"></a>
-<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.util.FSUtils;<a name="line.49"></a>
-<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.util.Methods;<a name="line.50"></a>
-<span class="sourceLineNo">051</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.51"></a>
-<span class="sourceLineNo">052</span>import org.apache.hadoop.io.Text;<a name="line.52"></a>
-<span class="sourceLineNo">053</span>import org.apache.hadoop.security.UserGroupInformation;<a name="line.53"></a>
-<span class="sourceLineNo">054</span>import org.apache.hadoop.security.token.Token;<a name="line.54"></a>
-<span class="sourceLineNo">055</span><a name="line.55"></a>
-<span class="sourceLineNo">056</span>import java.io.IOException;<a name="line.56"></a>
-<span class="sourceLineNo">057</span>import java.math.BigInteger;<a name="line.57"></a>
-<span class="sourceLineNo">058</span>import java.security.PrivilegedAction;<a name="line.58"></a>
-<span class="sourceLineNo">059</span>import java.security.SecureRandom;<a name="line.59"></a>
-<span class="sourceLineNo">060</span>import java.util.ArrayList;<a name="line.60"></a>
-<span class="sourceLineNo">061</span>import java.util.HashMap;<a name="line.61"></a>
-<span class="sourceLineNo">062</span>import java.util.List;<a name="line.62"></a>
-<span class="sourceLineNo">063</span>import java.util.Map;<a name="line.63"></a>
-<span class="sourceLineNo">064</span><a name="line.64"></a>
-<span class="sourceLineNo">065</span>/**<a name="line.65"></a>
-<span class="sourceLineNo">066</span> * Bulk loads in secure mode.<a name="line.66"></a>
-<span class="sourceLineNo">067</span> *<a name="line.67"></a>
-<span class="sourceLineNo">068</span> * This service addresses two issues:<a name="line.68"></a>
-<span class="sourceLineNo">069</span> * &lt;ol&gt;<a name="line.69"></a>
-<span class="sourceLineNo">070</span> * &lt;li&gt;Moving files in a secure filesystem wherein the HBase Client<a name="line.70"></a>
-<span class="sourceLineNo">071</span> * and HBase Server are different filesystem users.&lt;/li&gt;<a name="line.71"></a>
-<span class="sourceLineNo">072</span> * &lt;li&gt;Does moving in a secure manner. Assuming that the filesystem<a name="line.72"></a>
-<span class="sourceLineNo">073</span> * is POSIX compliant.&lt;/li&gt;<a name="line.73"></a>
-<span class="sourceLineNo">074</span> * &lt;/ol&gt;<a name="line.74"></a>
-<span class="sourceLineNo">075</span> *<a name="line.75"></a>
-<span class="sourceLineNo">076</span> * The algorithm is as follows:<a name="line.76"></a>
-<span class="sourceLineNo">077</span> * &lt;ol&gt;<a name="line.77"></a>
-<span class="sourceLineNo">078</span> * &lt;li&gt;Create an hbase owned staging directory which is<a name="line.78"></a>
-<span class="sourceLineNo">079</span> * world traversable (711): {@code /hbase/staging}&lt;/li&gt;<a name="line.79"></a>
-<span class="sourceLineNo">080</span> * &lt;li&gt;A user writes out data to his secure output directory: {@code /user/foo/data}&lt;/li&gt;<a name="line.80"></a>
-<span class="sourceLineNo">081</span> * &lt;li&gt;A call is made to hbase to create a secret staging directory<a name="line.81"></a>
-<span class="sourceLineNo">082</span> * which globally rwx (777): {@code /user/staging/averylongandrandomdirectoryname}&lt;/li&gt;<a name="line.82"></a>
-<span class="sourceLineNo">083</span> * &lt;li&gt;The user moves the data into the random staging directory,<a name="line.83"></a>
-<span class="sourceLineNo">084</span> * then calls bulkLoadHFiles()&lt;/li&gt;<a name="line.84"></a>
-<span class="sourceLineNo">085</span> * &lt;/ol&gt;<a name="line.85"></a>
-<span class="sourceLineNo">086</span> *<a name="line.86"></a>
-<span class="sourceLineNo">087</span> * Like delegation tokens the strength of the security lies in the length<a name="line.87"></a>
-<span class="sourceLineNo">088</span> * and randomness of the secret directory.<a name="line.88"></a>
-<span class="sourceLineNo">089</span> *<a name="line.89"></a>
-<span class="sourceLineNo">090</span> */<a name="line.90"></a>
-<span class="sourceLineNo">091</span>@InterfaceAudience.Private<a name="line.91"></a>
-<span class="sourceLineNo">092</span>public class SecureBulkLoadManager {<a name="line.92"></a>
-<span class="sourceLineNo">093</span><a name="line.93"></a>
-<span class="sourceLineNo">094</span>  public static final long VERSION = 0L;<a name="line.94"></a>
-<span class="sourceLineNo">095</span><a name="line.95"></a>
-<span class="sourceLineNo">096</span>  //320/5 = 64 characters<a name="line.96"></a>
-<span class="sourceLineNo">097</span>  private static final int RANDOM_WIDTH = 320;<a name="line.97"></a>
-<span class="sourceLineNo">098</span>  private static final int RANDOM_RADIX = 32;<a name="line.98"></a>
-<span class="sourceLineNo">099</span><a name="line.99"></a>
-<span class="sourceLineNo">100</span>  private static final Log LOG = LogFactory.getLog(SecureBulkLoadManager.class);<a name="line.100"></a>
-<span class="sourceLineNo">101</span><a name="line.101"></a>
-<span class="sourceLineNo">102</span>  private final static FsPermission PERM_ALL_ACCESS = FsPermission.valueOf("-rwxrwxrwx");<a name="line.102"></a>
-<span class="sourceLineNo">103</span>  private final static FsPermission PERM_HIDDEN = FsPermission.valueOf("-rwx--x--x");<a name="line.103"></a>
-<span class="sourceLineNo">104</span>  private SecureRandom random;<a name="line.104"></a>
-<span class="sourceLineNo">105</span>  private FileSystem fs;<a name="line.105"></a>
-<span class="sourceLineNo">106</span>  private Configuration conf;<a name="line.106"></a>
-<span class="sourceLineNo">107</span><a name="line.107"></a>
-<span class="sourceLineNo">108</span>  //two levels so it doesn't get deleted accidentally<a name="line.108"></a>
-<span class="sourceLineNo">109</span>  //no sticky bit in Hadoop 1.0<a name="line.109"></a>
-<span class="sourceLineNo">110</span>  private Path baseStagingDir;<a name="line.110"></a>
-<span class="sourceLineNo">111</span><a name="line.111"></a>
-<span class="sourceLineNo">112</span>  private UserProvider userProvider;<a name="line.112"></a>
-<span class="sourceLineNo">113</span>  private Connection conn;<a name="line.113"></a>
-<span class="sourceLineNo">114</span><a name="line.114"></a>
-<span class="sourceLineNo">115</span>  SecureBulkLoadManager(Configuration conf, Connection conn) {<a name="line.115"></a>
-<span class="sourceLineNo">116</span>    this.conf = conf;<a name="line.116"></a>
-<span class="sourceLineNo">117</span>    this.conn = conn;<a name="line.117"></a>
-<span class="sourceLineNo">118</span>  }<a name="line.118"></a>
-<span class="sourceLineNo">119</span><a name="line.119"></a>
-<span class="sourceLineNo">120</span>  public void start() throws IOException {<a name="line.120"></a>
-<span class="sourceLineNo">121</span>    random = new SecureRandom();<a name="line.121"></a>
-<span class="sourceLineNo">122</span>    userProvider = UserProvider.instantiate(conf);<a name="line.122"></a>
-<span class="sourceLineNo">123</span>    fs = FileSystem.get(conf);<a name="line.123"></a>
-<span class="sourceLineNo">124</span>    baseStagingDir = new Path(FSUtils.getRootDir(conf), HConstants.BULKLOAD_STAGING_DIR_NAME);<a name="line.124"></a>
-<span class="sourceLineNo">125</span><a name="line.125"></a>
-<span class="sourceLineNo">126</span>    if (conf.get("hbase.bulkload.staging.dir") != null) {<a name="line.126"></a>
-<span class="sourceLineNo">127</span>      LOG.warn("hbase.bulkload.staging.dir " + " is deprecated. Bulkload staging directory is "<a name="line.127"></a>
-<span class="sourceLineNo">128</span>          + baseStagingDir);<a name="line.128"></a>
-<span class="sourceLineNo">129</span>    }<a name="line.129"></a>
-<span class="sourceLineNo">130</span>    if (!fs.exists(baseStagingDir)) {<a name="line.130"></a>
-<span class="sourceLineNo">131</span>      fs.mkdirs(baseStagingDir, PERM_HIDDEN);<a name="line.131"></a>
-<span class="sourceLineNo">132</span>    }<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>  public void stop() throws IOException {<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>  public String prepareBulkLoad(final Region region, final PrepareBulkLoadRequest request)<a name="line.138"></a>
-<span class="sourceLineNo">139</span>      throws IOException {<a name="line.139"></a>
-<span class="sourceLineNo">140</span>    List&lt;BulkLoadObserver&gt; bulkLoadObservers = getBulkLoadObservers(region);<a name="line.140"></a>
-<span class="sourceLineNo">141</span><a name="line.141"></a>
-<span class="sourceLineNo">142</span>    if (bulkLoadObservers != null &amp;&amp; bulkLoadObservers.size() != 0) {<a name="line.142"></a>
-<span class="sourceLineNo">143</span>      ObserverContext&lt;RegionCoprocessorEnvironment&gt; ctx = new ObserverContext&lt;&gt;(getActiveUser());<a name="line.143"></a>
-<span class="sourceLineNo">144</span>      ctx.prepare((RegionCoprocessorEnvironment) region.getCoprocessorHost()<a name="line.144"></a>
-<span class="sourceLineNo">145</span>          .findCoprocessorEnvironment(BulkLoadObserver.class).get(0));<a name="line.145"></a>
-<span class="sourceLineNo">146</span><a name="line.146"></a>
-<span class="sourceLineNo">147</span>      for (BulkLoadObserver bulkLoadObserver : bulkLoadObservers) {<a name="line.147"></a>
-<span class="sourceLineNo">148</span>        bulkLoadObserver.prePrepareBulkLoad(ctx, request);<a name="line.148"></a>
-<span class="sourceLineNo">149</span>      }<a name="line.149"></a>
-<span class="sourceLineNo">150</span>    }<a name="line.150"></a>
-<span class="sourceLineNo">151</span><a name="line.151"></a>
-<span class="sourceLineNo">152</span>    String bulkToken =<a name="line.152"></a>
-<span class="sourceLineNo">153</span>        createStagingDir(baseStagingDir, getActiveUser(), region.getTableDescriptor().getTableName())<a name="line.153"></a>
-<span class="sourceLineNo">154</span>            .toString();<a name="line.154"></a>
-<span class="sourceLineNo">155</span><a name="line.155"></a>
-<span class="sourceLineNo">156</span>    return bulkToken;<a name="line.156"></a>
-<span class="sourceLineNo">157</span>  }<a name="line.157"></a>
-<span class="sourceLineNo">158</span><a name="line.158"></a>
-<span class="sourceLineNo">159</span>  public void cleanupBulkLoad(final Region region, final CleanupBulkLoadRequest request)<a name="line.159"></a>
-<span class="sourceLineNo">160</span>      throws IOException {<a name="line.160"></a>
-<span class="sourceLineNo">161</span>    List&lt;BulkLoadObserver&gt; bulkLoadObservers = getBulkLoadObservers(region);<a name="line.161"></a>
-<span class="sourceLineNo">162</span><a name="line.162"></a>
-<span class="sourceLineNo">163</span>    if (bulkLoadObservers != null &amp;&amp; bulkLoadObservers.size() != 0) {<a name="line.163"></a>
-<span class="sourceLineNo">164</span>      ObserverContext&lt;RegionCoprocessorEnvironment&gt; ctx = new ObserverContext&lt;&gt;(getActiveUser());<a name="line.164"></a>
-<span class="sourceLineNo">165</span>      ctx.prepare((RegionCoprocessorEnvironment) region.getCoprocessorHost()<a name="line.165"></a>
-<span class="sourceLineNo">166</span>        .findCoprocessorEnvironment(BulkLoadObserver.class).get(0));<a name="line.166"></a>
-<span class="sourceLineNo">167</span><a name="line.167"></a>
-<span class="sourceLineNo">168</span>      for (BulkLoadObserver bulkLoadObserver : bulkLoadObservers) {<a name="line.168"></a>
-<span class="sourceLineNo">169</span>        bulkLoadObserver.preCleanupBulkLoad(ctx, request);<a name="line.169"></a>
-<span class="sourceLineNo">170</span>      }<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>    Path path = new Path(request.getBulkToken());<a name="line.173"></a>
-<span class="sourceLineNo">174</span>    if (!fs.delete(path, true)) {<a name="line.174"></a>
-<span class="sourceLineNo">175</span>      if (fs.exists(path)) {<a name="line.175"></a>
-<span class="sourceLineNo">176</span>        throw new IOException("Failed to clean up " + path);<a name="line.176"></a>
-<span class="sourceLineNo">177</span>      }<a name="line.177"></a>
-<span class="sourceLineNo">178</span>    }<a name="line.178"></a>
-<span class="sourceLineNo">179</span>    LOG.info("Cleaned up " + path + " successfully.");<a name="line.179"></a>
-<span class="sourceLineNo">180</span>  }<a name="line.180"></a>
-<span class="sourceLineNo">181</span><a name="line.181"></a>
-<span class="sourceLineNo">182</span>  public Map&lt;byte[], List&lt;Path&gt;&gt; secureBulkLoadHFiles(final Region region,<a name="line.182"></a>
-<span class="sourceLineNo">183</span>      final BulkLoadHFileRequest request) throws IOException {<a name="line.183"></a>
-<span class="sourceLineNo">184</span>    final List&lt;Pair&lt;byte[], String&gt;&gt; familyPaths = new ArrayList&lt;&gt;(request.getFamilyPathCount());<a name="line.184"></a>
-<span class="sourceLineNo">185</span>    for(ClientProtos.BulkLoadHFileRequest.FamilyPath el : request.getFamilyPathList()) {<a name="line.185"></a>
-<span class="sourceLineNo">186</span>      familyPaths.add(new Pair&lt;&gt;(el.getFamily().toByteArray(), el.getPath()));<a name="line.186"></a>
-<span class="sourceLineNo">187</span>    }<a name="line.187"></a>
-<span class="sourceLineNo">188</span><a name="line.188"></a>
-<span class="sourceLineNo">189</span>    Token userToken = null;<a name="line.189"></a>
-<span class="sourceLineNo">190</span>    if (userProvider.isHadoopSecurityEnabled()) {<a name="line.190"></a>
-<span class="sourceLineNo">191</span>      userToken = new Token(request.getFsToken().getIdentifier().toByteArray(), request.getFsToken()<a name="line.191"></a>
-<span class="sourceLineNo">192</span>              .getPassword().toByteArray(), new Text(request.getFsToken().getKind()), new Text(<a name="line.192"></a>
-<span class="sourceLineNo">193</span>              request.getFsToken().getService()));<a name="line.193"></a>
-<span class="sourceLineNo">194</span>    }<a name="line.194"></a>
-<span class="sourceLineNo">195</span>    final String bulkToken = request.getBulkToken();<a name="line.195"></a>
-<span class="sourceLineNo">196</span>    User user = getActiveUser();<a name="line.196"></a>
-<span class="sourceLineNo">197</span>    final UserGroupInformation ugi = user.getUGI();<a name="line.197"></a>
-<span class="sourceLineNo">198</span>    if (userProvider.isHadoopSecurityEnabled()) {<a name="line.198"></a>
-<span class="sourceLineNo">199</span>      try {<a name="line.199"></a>
-<span class="sourceLineNo">200</span>        Token tok = TokenUtil.obtainToken(conn);<a name="line.200"></a>
-<span class="sourceLineNo">201</span>        if (tok != null) {<a name="line.201"></a>
-<span class="sourceLineNo">202</span>          boolean b = ugi.addToken(tok);<a name="line.202"></a>
-<span class="sourceLineNo">203</span>          LOG.debug("token added " + tok + " for user " + ugi + " return=" + b);<a name="line.203"></a>
-<span class="sourceLineNo">204</span>        }<a name="line.204"></a>
-<span class="sourceLineNo">205</span>      } catch (IOException ioe) {<a name="line.205"></a>
-<span class="sourceLineNo">206</span>        LOG.warn("unable to add token", ioe);<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>    if (userToken != null) {<a name="line.209"></a>
-<span class="sourceLineNo">210</span>      ugi.addToken(userToken);<a name="line.210"></a>
-<span class="sourceLineNo">211</span>    } else if (userProvider.isHadoopSecurityEnabled()) {<a name="line.211"></a>
-<span class="sourceLineNo">212</span>      //we allow this to pass through in "simple" security mode<a name="line.212"></a>
-<span class="sourceLineNo">213</span>      //for mini cluster testing<a name="line.213"></a>
-<span class="sourceLineNo">214</span>      throw new DoNotRetryIOException("User token cannot be null");<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>    boolean bypass = false;<a name="line.217"></a>
-<span class="sourceLineNo">218</span>    if (region.getCoprocessorHost() != null) {<a name="line.218"></a>
-<span class="sourceLineNo">219</span>        bypass = region.getCoprocessorHost().preBulkLoadHFile(familyPaths);<a name="line.219"></a>
-<span class="sourceLineNo">220</span>    }<a name="line.220"></a>
-<span class="sourceLineNo">221</span>    boolean loaded = false;<a name="line.221"></a>
-<span class="sourceLineNo">222</span>    Map&lt;byte[], List&lt;Path&gt;&gt; map = null;<a name="line.222"></a>
-<span class="sourceLineNo">223</span><a name="line.223"></a>
-<span class="sourceLineNo">224</span>    try {<a name="line.224"></a>
-<span class="sourceLineNo">225</span>      if (!bypass) {<a name="line.225"></a>
-<span class="sourceLineNo">226</span>        // Get the target fs (HBase region server fs) delegation token<a name="line.226"></a>
-<span class="sourceLineNo">227</span>        // Since we have checked the permission via 'preBulkLoadHFile', now let's give<a name="line.227"></a>
-<span class="sourceLineNo">228</span>        // the 'request user' necessary token to operate on the target fs.<a name="line.228"></a>
-<span class="sourceLineNo">229</span>        // After this point the 'doAs' user will hold two tokens, one for the source fs<a name="line.229"></a>
-<span class="sourceLineNo">230</span>        // ('request user'), another for the target fs (HBase region server principal).<a name="line.230"></a>
-<span class="sourceLineNo">231</span>        if (userProvider.isHadoopSecurityEnabled()) {<a name="line.231"></a>
-<span class="sourceLineNo">232</span>          FsDelegationToken targetfsDelegationToken = new FsDelegationToken(userProvider,"renewer");<a name="line.232"></a>
-<span class="sourceLineNo">233</span>          targetfsDelegationToken.acquireDelegationToken(fs);<a name="line.233"></a>
-<span class="sourceLineNo">234</span><a name="line.234"></a>
-<span class="sourceLineNo">235</span>          Token&lt;?&gt; targetFsToken = targetfsDelegationToken.getUserToken();<a name="line.235"></a>
-<span class="sourceLineNo">236</span>          if (targetFsToken != null<a name="line.236"></a>
-<span class="sourceLineNo">237</span>              &amp;&amp; (userToken == null || !targetFsToken.getService().equals(userToken.getService()))){<a name="line.237"></a>
-<span class="sourceLineNo">238</span>            ugi.addToken(targetFsToken);<a name="line.238"></a>
-<span class="sourceLineNo">239</span>          }<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>        map = ugi.doAs(new PrivilegedAction&lt;Map&lt;byte[], List&lt;Path&gt;&gt;&gt;() {<a name="line.242"></a>
-<span class="sourceLineNo">243</span>          @Override<a name="line.243"></a>
-<span class="sourceLineNo">244</span>          public Map&lt;byte[], List&lt;Path&gt;&gt; run() {<a name="line.244"></a>
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-<span class="sourceLineNo">426</span>}<a name="line.426"></a>
+<span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.shaded.protobuf.ProtobufUtil;<a name="line.32"></a>
+<span class="sourceLineNo">033</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.33"></a>
+<span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.34"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.coprocessor.BulkLoadObserver;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.coprocessor.ObserverContext;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.ipc.RpcServer;<a name="line.38"></a>
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+<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.regionserver.Region.BulkLoadListener;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.security.User;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.security.UserProvider;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.security.token.FsDelegationToken;<a name="line.46"></a>
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+<span class="sourceLineNo">054</span>import org.apache.hadoop.security.UserGroupInformation;<a name="line.54"></a>
+<span class="sourceLineNo">055</span>import org.apache.hadoop.security.token.Token;<a name="line.55"></a>
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+<span class="sourceLineNo">058</span>import java.math.BigInteger;<a name="line.58"></a>
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+<span class="sourceLineNo">062</span>import java.util.HashMap;<a name="line.62"></a>
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+<span class="sourceLineNo">065</span><a name="line.65"></a>
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+<span class="sourceLineNo">070</span> * &lt;ol&gt;<a name="line.70"></a>
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+<span class="sourceLineNo">072</span> * and HBase Server are different filesystem users.&lt;/li&gt;<a name="line.72"></a>
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+<span class="sourceLineNo">074</span> * is POSIX compliant.&lt;/li&gt;<a name="line.74"></a>
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+<span class="sourceLineNo">080</span> * world traversable (711): {@code /hbase/staging}&lt;/li&gt;<a name="line.80"></a>
+<span class="sourceLineNo">081</span> * &lt;li&gt;A user writes out data to his secure output directory: {@code /user/foo/data}&lt;/li&gt;<a name="line.81"></a>
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+<span class="sourceLineNo">315</span><a name="line.315"></a>
+<span class="sourceLineNo">316</span>    return user;<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>  private static class SecureBulkLoadListener implements BulkLoadListener {<a name="line.319"></a>
+<span class="sourceLineNo">320</span>    // Target filesystem<a name="line.320"></a>
+<span class="sourceLineNo">321</span>    private final FileSystem fs;<a name="line.321"></a>
+<span class="sourceLineNo">322</span>    private final String stagingDir;<a name="line.322"></a>
+<span class="sourceLineNo">323</span>    private final Configuration conf;<a name="line.323"></a>
+<span class="sourceLineNo">324</span>    // Source filesystem<a name="line.324"></a>
+<span class="sourceLineNo">325</span>    private FileSystem srcFs = null;<a name="line.325"></a>
+<span class="sourceLineNo">326</span>    private Map&lt;String, FsPermission&gt; origPermissions = null;<a name="line.326"></a>
+<span class="sourceLineNo">327</span><a name="line.327"></a>
+<span class="sourceLineNo">328</span>    public SecureBulkLoadListener(FileSystem fs, String stagingDir, Configuration conf) {<a name="line.328"></a>
+<span class="sourceLineNo">329</span>      this.fs = fs;<a name="line.329"></a>
+<span class="sourceLineNo">330</span>      this.stagingDir = stagingDir;<a name="line.330"></a>
+<span class="sourceLineNo">331</span>      this.conf = conf;<a name="line.331"></a>
+<span class="sourceLineNo">332</span>      this.origPermissions = new HashMap&lt;&gt;();<a name="line.332"></a>
+<span class="sourceLineNo">333</span>    }<a name="line.333"></a>
+<span class="sourceLineNo">334</span><a name="line.334"></a>
+<span class="sourceLineNo">335</span>    @Override<a name="line.335"></a>
+<span class="sourceLineNo">336</span>    public String prepareBulkLoad(final byte[] family, final String srcPath, boolean copyFile)<a name="line.336"></a>
+<span class="sourceLineNo">337</span>        throws IOException {<a name="line.337"></a>
+<span class="sourceLineNo">338</span>      Path p = new Path(srcPath);<a name="line.338"></a>
+<span class="sourceLineNo">339</span>      Path stageP = new Path(stagingDir, new Path(Bytes.toString(family), p.getName()));<a name="line.339"></a>
+<span class="sourceLineNo">340</span><a name="line.340"></a>
+<span class="sourceLineNo">341</span>      // In case of Replication for bulk load files, hfiles are already copied in staging directory<a name="line.341"></a>
+<span class="sourceLineNo">342</span>      if (p.equals(stageP)) {<a name="line.342"></a>
+<span class="sourceLineNo">343</span>        LOG.debug(p.getName()<a name="line.343"></a>
+<span class="sourceLineNo">344</span>            + " is already available in staging directory. Skipping copy or rename.");<a name="line.344"></a>
+<span class="sourceLineNo">345</span>        return stageP.toString();<a name="line.345"></a>
+<span class="sourceLineNo">346</span>      }<a name="line.346"></a>
+<span class="sourceLineNo">347</span><a name="line.347"></a>
+<span class="sourceLineNo">348</span>      if (srcFs == null) {<a name="line.348"></a>
+<span class="sourceLineNo">349</span>        srcFs = FileSystem.get(p.toUri(), conf);<a name="line.349"></a>
+<span class="sourceLineNo">350</span>      }<a name="line.350"></a>
+<span class="sourceLineNo">351</span><a name="line.351"></a>
+<span class="sourceLineNo">352</span>      if(!isFile(p)) {<a name="line.352"></a>
+<span class="sourceLineNo">353</span>        throw new IOException("Path does not reference a file: " + p);<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>      // Check to see if the source and target filesystems are the same<a name="line.356"></a>
+<span class="sourceLineNo">357</span>      if (!FSHDFSUtils.isSameHdfs(conf, srcFs, fs)) {<a name="line.357"></a>
+<span class="sourceLineNo">358</span>        LOG.debug("Bulk-load file " + srcPath + " is on different filesystem than " +<a name="line.358"></a>
+<span class="sourceLineNo">359</span>            "the destination filesystem. Copying file over to destination staging dir.");<a name="line.359"></a>
+<span class="sourceLineNo">360</span>        FileUtil.copy(srcFs, p, fs, stageP, false, conf);<a name="line.360"></a>
+<span class="sourceLineNo">361</span>      } else if (copyFile) {<a name="line.361"></a>
+<span class="sourceLineNo">362</span>        LOG.debug("Bulk-load file " + srcPath + " is copied to destination staging dir.");<a name="line.362"></a>
+<span class="sourceLineNo">363</span>        FileUtil.copy(srcFs, p, fs, stageP, false, conf);<a name="line.363"></a>
+<span class="sourceLineNo">364</span>      } else {<a name="line.364"></a>
+<span class="sourceLineNo">365</span>        LOG.debug("Moving " + p + " to " + stageP);<a name="line.365"></a>
+<span class="sourceLineNo">366</span>        FileStatus origFileStatus = fs.getFileStatus(p);<a name="line.366"></a>
+<span class="sourceLineNo">367</span>        origPermissions.put(srcPath, origFileStatus.getPermission());<a name="line.367"></a>
+<span class="sourceLineNo">368</span>        if(!fs.rename(p, stageP)) {<a name="line.368"></a>
+<span class="sourceLineNo">369</span>          throw new IOException("Failed to move HFile: " + p + " to " + stageP);<a name="line.369"></a>
+<span class="sourceLineNo">370</span>        }<a name="line.370"></a>
+<span class="sourceLineNo">371</span>      }<a name="line.371"></a>
+<span class="sourceLineNo">372</span>      fs.setPermission(stageP, PERM_ALL_ACCESS);<a name="line.372"></a>
+<span class="sourceLineNo">373</span>      return stageP.toString();<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 doneBulkLoad(byte[] family, String srcPath) throws IOException {<a name="line.377"></a>
+<span class="sourceLineNo">378</span>      LOG.debug("Bulk Load done for: " + srcPath);<a name="line.378"></a>
+<span class="sourceLineNo">379</span>    }<a name="line.379"></a>
+<span class="sourceLineNo">380</span><a name="line.380"></a>
+<span class="sourceLineNo">381</span>    @Override<a name="line.381"></a>
+<span class="sourceLineNo">382</span>    public void failedBulkLoad(final byte[] family, final String srcPath) throws IOException {<a name="line.382"></a>
+<span class="sourceLineNo">383</span>      if (!FSHDFSUtils.isSameHdfs(conf, srcFs, fs)) {<a name="line.383"></a>
+<span class="sourceLineNo">384</span>        // files are copied so no need to move them back<a name="line.384"></a>
+<span class="sourceLineNo">385</span>        return;<a name="line.385"></a>
+<span class="sourceLineNo">386</span>      }<a name="line.386"></a>
+<span class="sourceLineNo">387</span>      Path p = new Path(srcPath);<a name="line.387"></a>
+<span class="sourceLineNo">388</span>      Path stageP = new Path(stagingDir,<a name="line.388"></a>
+<span class="sourceLineNo">389</span>          new Path(Bytes.toString(family), p.getName()));<a name="line.389"></a>
+<span class="sourceLineNo">390</span><a name="line.390"></a>
+<span class="sourceLineNo">391</span>      // In case of Replication for bulk load files, hfiles are not renamed by end point during<a name="line.391"></a>
+<span class="sourceLineNo">392</span>      // prepare stage, so no need of rename here again<a name="line.392"></a>
+<span class="sourceLineNo">393</span>      if (p.equals(stageP)) {<a name="line.393"></a>
+<span class="sourceLineNo">394</span>        LOG.debug(p.getName() + " is already available in source directory. Skipping rename.");<a name="line.394"></a>
+<span class="sourceLineNo">395</span>        return;<a name="line.395"></a>
+<span class="sourceLineNo">396</span>      }<a name="line.396"></a>
+<span class="sourceLineNo">397</span><a name="line.397"></a>
+<span class="sourceLineNo">398</span>      LOG.debug("Moving " + stageP + " back to " + p);<a name="line.398"></a>
+<span class="sourceLineNo">399</span>      if(!fs.rename(stageP, p))<a name="line.399"></a>
+<span class="sourceLineNo">400</span>        throw new IOException("Failed to move HFile: " + stageP + " to " + p);<a name="line.400"></a>
+<span class="sourceLineNo">401</span><a name="line.401"></a>
+<span class="sourceLineNo">402</span>      // restore original permission<a name="line.402"></a>
+<span class="sourceLineNo">403</span>      if (origPermissions.containsKey(srcPath)) {<a name="line.403"></a>
+<span class="sourceLineNo">404</span>        fs.setPermission(p, origPermissions.get(srcPath));<a name="line.404"></a>
+<span class="sourceLineNo">405</span>      } else {<a name="line.405"></a>
+<span class="sourceLineNo">406</span>        LOG.warn("Can't find previous permission for path=" + srcPath);<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>    /**<a name="line.410"></a>
+<span class="sourceLineNo">411</span>     * Check if the path is referencing a file.<a name="line.411"></a>
+<span class="sourceLineNo">412</span>     * This is mainly needed to avoid symlinks.<a name="line.412"></a>
+<span class="sourceLineNo">413</span>     * @param p<a name="line.413"></a>
+<span class="sourceLineNo">414</span>     * @return true if the p is a file<a name="line.414"></a>
+<span class="sourceLineNo">415</span>     * @throws IOException<a name="line.415"></a>
+<span class="sourceLineNo">416</span>     */<a name="line.416"></a>
+<span class="sourceLineNo">417</span>    private boolean isFile(Path p) throws IOException {<a name="line.417"></a>
+<span class="sourceLineNo">418</span>      FileStatus status = srcFs.getFileStatus(p);<a name="line.418"></a>
+<span class="sourceLineNo">419</span>      boolean isFile = !status.isDirectory();<a name="line.419"></a>
+<span class="sourceLineNo">420</span>      try {<a name="line.420"></a>
+<span class="sourceLineNo">421</span>        isFile = isFile &amp;&amp; !(Boolean)Methods.call(FileStatus.class, status, "isSymlink", null, null);<a name="line.421"></a>
+<span class="sourceLineNo">422</span>      } catch (Exception e) {<a name="line.422"></a>
+<span class="sourceLineNo">423</span>      }<a name="line.423"></a>
+<span class="sourceLineNo">424</span>      return isFile;<a name="line.424"></a>
+<span class="sourceLineNo">425</span>    }<a name="line.425"></a>
+<span class="sourceLineNo">426</span>  }<a name="line.426"></a>
+<span class="sourceLineNo">427</span>}<a name="line.427"></a>
 
 
 


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