http://git-wip-us.apache.org/repos/asf/hbase-site/blob/5a2158f2/devapidocs/src-html/org/apache/hadoop/hbase/coprocessor/Export.Response.html ---------------------------------------------------------------------- diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/coprocessor/Export.Response.html b/devapidocs/src-html/org/apache/hadoop/hbase/coprocessor/Export.Response.html index 95f6ef8..45f0981 100644 --- a/devapidocs/src-html/org/apache/hadoop/hbase/coprocessor/Export.Response.html +++ b/devapidocs/src-html/org/apache/hadoop/hbase/coprocessor/Export.Response.html @@ -61,487 +61,488 @@ <span class="sourceLineNo">053</span>import org.apache.hadoop.hbase.protobuf.ProtobufUtil;<a name="line.53"></a> <span class="sourceLineNo">054</span>import org.apache.hadoop.hbase.protobuf.generated.ClientProtos.DelegationToken;<a name="line.54"></a> <span class="sourceLineNo">055</span>import org.apache.hadoop.hbase.protobuf.generated.ExportProtos;<a name="line.55"></a> -<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.regionserver.InternalScanner;<a name="line.56"></a> -<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.regionserver.Region;<a name="line.57"></a> -<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.regionserver.RegionScanner;<a name="line.58"></a> -<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.security.User;<a name="line.59"></a> -<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.security.UserProvider;<a name="line.60"></a> -<span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.security.token.FsDelegationToken;<a name="line.61"></a> -<span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.util.ArrayUtils;<a name="line.62"></a> -<span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.util.ByteStringer;<a name="line.63"></a> -<span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.64"></a> -<span class="sourceLineNo">065</span>import org.apache.hadoop.hbase.util.Triple;<a name="line.65"></a> -<span class="sourceLineNo">066</span>import org.apache.hadoop.io.SequenceFile;<a name="line.66"></a> -<span class="sourceLineNo">067</span>import org.apache.hadoop.io.Text;<a name="line.67"></a> -<span class="sourceLineNo">068</span>import org.apache.hadoop.io.compress.CompressionCodec;<a name="line.68"></a> -<span class="sourceLineNo">069</span>import org.apache.hadoop.io.compress.DefaultCodec;<a name="line.69"></a> -<span class="sourceLineNo">070</span>import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;<a name="line.70"></a> -<span class="sourceLineNo">071</span>import org.apache.hadoop.security.token.Token;<a name="line.71"></a> -<span class="sourceLineNo">072</span>import org.apache.hadoop.util.GenericOptionsParser;<a name="line.72"></a> -<span class="sourceLineNo">073</span>import org.apache.hadoop.util.ReflectionUtils;<a name="line.73"></a> -<span class="sourceLineNo">074</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.74"></a> -<span class="sourceLineNo">075</span>import org.apache.yetus.audience.InterfaceStability;<a name="line.75"></a> -<span class="sourceLineNo">076</span><a name="line.76"></a> -<span class="sourceLineNo">077</span>import org.apache.hadoop.hbase.shaded.com.google.common.annotations.VisibleForTesting;<a name="line.77"></a> -<span class="sourceLineNo">078</span><a name="line.78"></a> -<span class="sourceLineNo">079</span>import com.google.protobuf.RpcCallback;<a name="line.79"></a> -<span class="sourceLineNo">080</span>import com.google.protobuf.RpcController;<a name="line.80"></a> -<span class="sourceLineNo">081</span>import com.google.protobuf.Service;<a name="line.81"></a> -<span class="sourceLineNo">082</span><a name="line.82"></a> -<span class="sourceLineNo">083</span>/**<a name="line.83"></a> -<span class="sourceLineNo">084</span> * Export an HBase table. Writes content to sequence files up in HDFS. Use<a name="line.84"></a> -<span class="sourceLineNo">085</span> * {@link Import} to read it back in again. It is implemented by the endpoint<a name="line.85"></a> -<span class="sourceLineNo">086</span> * technique.<a name="line.86"></a> -<span class="sourceLineNo">087</span> *<a name="line.87"></a> -<span class="sourceLineNo">088</span> * @see org.apache.hadoop.hbase.mapreduce.Export<a name="line.88"></a> -<span class="sourceLineNo">089</span> */<a name="line.89"></a> -<span class="sourceLineNo">090</span>@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.COPROC)<a name="line.90"></a> -<span class="sourceLineNo">091</span>@InterfaceStability.Evolving<a name="line.91"></a> -<span class="sourceLineNo">092</span>public class Export extends ExportProtos.ExportService implements RegionCoprocessor {<a name="line.92"></a> -<span class="sourceLineNo">093</span><a name="line.93"></a> -<span class="sourceLineNo">094</span> private static final Log LOG = LogFactory.getLog(Export.class);<a name="line.94"></a> -<span class="sourceLineNo">095</span> private static final Class<? extends CompressionCodec> DEFAULT_CODEC = DefaultCodec.class;<a name="line.95"></a> -<span class="sourceLineNo">096</span> private static final SequenceFile.CompressionType DEFAULT_TYPE = SequenceFile.CompressionType.RECORD;<a name="line.96"></a> -<span class="sourceLineNo">097</span> private RegionCoprocessorEnvironment env = null;<a name="line.97"></a> -<span class="sourceLineNo">098</span> private UserProvider userProvider;<a name="line.98"></a> -<span class="sourceLineNo">099</span><a name="line.99"></a> -<span class="sourceLineNo">100</span> public static void main(String[] args) throws Throwable {<a name="line.100"></a> -<span class="sourceLineNo">101</span> Map<byte[], Response> response = run(HBaseConfiguration.create(), args);<a name="line.101"></a> -<span class="sourceLineNo">102</span> System.exit(response == null ? -1 : 0);<a name="line.102"></a> -<span class="sourceLineNo">103</span> }<a name="line.103"></a> -<span class="sourceLineNo">104</span><a name="line.104"></a> -<span class="sourceLineNo">105</span> @VisibleForTesting<a name="line.105"></a> -<span class="sourceLineNo">106</span> static Map<byte[], Response> run(final Configuration conf, final String[] args) throws Throwable {<a name="line.106"></a> -<span class="sourceLineNo">107</span> String[] otherArgs = new GenericOptionsParser(conf, args).getRemainingArgs();<a name="line.107"></a> -<span class="sourceLineNo">108</span> if (!ExportUtils.isValidArguements(args)) {<a name="line.108"></a> -<span class="sourceLineNo">109</span> ExportUtils.usage("Wrong number of arguments: " + ArrayUtils.length(otherArgs));<a name="line.109"></a> -<span class="sourceLineNo">110</span> return null;<a name="line.110"></a> -<span class="sourceLineNo">111</span> }<a name="line.111"></a> -<span class="sourceLineNo">112</span> Triple<TableName, Scan, Path> arguments = ExportUtils.getArgumentsFromCommandLine(conf, otherArgs);<a name="line.112"></a> -<span class="sourceLineNo">113</span> return run(conf, arguments.getFirst(), arguments.getSecond(), arguments.getThird());<a name="line.113"></a> -<span class="sourceLineNo">114</span> }<a name="line.114"></a> -<span class="sourceLineNo">115</span><a name="line.115"></a> -<span class="sourceLineNo">116</span> public static Map<byte[], Response> run(final Configuration conf, TableName tableName, Scan scan, Path dir) throws Throwable {<a name="line.116"></a> -<span class="sourceLineNo">117</span> FileSystem fs = dir.getFileSystem(conf);<a name="line.117"></a> -<span class="sourceLineNo">118</span> UserProvider userProvider = UserProvider.instantiate(conf);<a name="line.118"></a> -<span class="sourceLineNo">119</span> checkDir(fs, dir);<a name="line.119"></a> -<span class="sourceLineNo">120</span> FsDelegationToken fsDelegationToken = new FsDelegationToken(userProvider, "renewer");<a name="line.120"></a> -<span class="sourceLineNo">121</span> fsDelegationToken.acquireDelegationToken(fs);<a name="line.121"></a> -<span class="sourceLineNo">122</span> try {<a name="line.122"></a> -<span class="sourceLineNo">123</span> final ExportProtos.ExportRequest request = getConfiguredRequest(conf, dir,<a name="line.123"></a> -<span class="sourceLineNo">124</span> scan, fsDelegationToken.getUserToken());<a name="line.124"></a> -<span class="sourceLineNo">125</span> try (Connection con = ConnectionFactory.createConnection(conf);<a name="line.125"></a> -<span class="sourceLineNo">126</span> Table table = con.getTable(tableName)) {<a name="line.126"></a> -<span class="sourceLineNo">127</span> Map<byte[], Response> result = new TreeMap<>(Bytes.BYTES_COMPARATOR);<a name="line.127"></a> -<span class="sourceLineNo">128</span> table.coprocessorService(ExportProtos.ExportService.class,<a name="line.128"></a> -<span class="sourceLineNo">129</span> scan.getStartRow(),<a name="line.129"></a> -<span class="sourceLineNo">130</span> scan.getStopRow(),<a name="line.130"></a> -<span class="sourceLineNo">131</span> (ExportProtos.ExportService service) -> {<a name="line.131"></a> -<span class="sourceLineNo">132</span> ServerRpcController controller = new ServerRpcController();<a name="line.132"></a> -<span class="sourceLineNo">133</span> Map<byte[], ExportProtos.ExportResponse> rval = new TreeMap<>(Bytes.BYTES_COMPARATOR);<a name="line.133"></a> -<span class="sourceLineNo">134</span> CoprocessorRpcUtils.BlockingRpcCallback<ExportProtos.ExportResponse><a name="line.134"></a> -<span class="sourceLineNo">135</span> rpcCallback = new CoprocessorRpcUtils.BlockingRpcCallback<>();<a name="line.135"></a> -<span class="sourceLineNo">136</span> service.export(controller, request, rpcCallback);<a name="line.136"></a> -<span class="sourceLineNo">137</span> if (controller.failedOnException()) {<a name="line.137"></a> -<span class="sourceLineNo">138</span> throw controller.getFailedOn();<a name="line.138"></a> -<span class="sourceLineNo">139</span> }<a name="line.139"></a> -<span class="sourceLineNo">140</span> return rpcCallback.get();<a name="line.140"></a> -<span class="sourceLineNo">141</span> }).forEach((k, v) -> result.put(k, new Response(v)));<a name="line.141"></a> -<span class="sourceLineNo">142</span> return result;<a name="line.142"></a> -<span class="sourceLineNo">143</span> } catch (Throwable e) {<a name="line.143"></a> -<span class="sourceLineNo">144</span> fs.delete(dir, true);<a name="line.144"></a> -<span class="sourceLineNo">145</span> throw e;<a name="line.145"></a> -<span class="sourceLineNo">146</span> }<a name="line.146"></a> -<span class="sourceLineNo">147</span> } finally {<a name="line.147"></a> -<span class="sourceLineNo">148</span> fsDelegationToken.releaseDelegationToken();<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> private static boolean getCompression(final ExportProtos.ExportRequest request) {<a name="line.152"></a> -<span class="sourceLineNo">153</span> if (request.hasCompressed()) {<a name="line.153"></a> -<span class="sourceLineNo">154</span> return request.getCompressed();<a name="line.154"></a> -<span class="sourceLineNo">155</span> } else {<a name="line.155"></a> -<span class="sourceLineNo">156</span> return false;<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><a name="line.159"></a> -<span class="sourceLineNo">160</span> private static SequenceFile.CompressionType getCompressionType(final ExportProtos.ExportRequest request) {<a name="line.160"></a> -<span class="sourceLineNo">161</span> if (request.hasCompressType()) {<a name="line.161"></a> -<span class="sourceLineNo">162</span> return SequenceFile.CompressionType.valueOf(request.getCompressType());<a name="line.162"></a> -<span class="sourceLineNo">163</span> } else {<a name="line.163"></a> -<span class="sourceLineNo">164</span> return DEFAULT_TYPE;<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><a name="line.167"></a> -<span class="sourceLineNo">168</span> private static CompressionCodec getCompressionCodec(final Configuration conf, final ExportProtos.ExportRequest request) {<a name="line.168"></a> -<span class="sourceLineNo">169</span> try {<a name="line.169"></a> -<span class="sourceLineNo">170</span> Class<? extends CompressionCodec> codecClass;<a name="line.170"></a> -<span class="sourceLineNo">171</span> if (request.hasCompressCodec()) {<a name="line.171"></a> -<span class="sourceLineNo">172</span> codecClass = conf.getClassByName(request.getCompressCodec()).asSubclass(CompressionCodec.class);<a name="line.172"></a> -<span class="sourceLineNo">173</span> } else {<a name="line.173"></a> -<span class="sourceLineNo">174</span> codecClass = DEFAULT_CODEC;<a name="line.174"></a> -<span class="sourceLineNo">175</span> }<a name="line.175"></a> -<span class="sourceLineNo">176</span> return ReflectionUtils.newInstance(codecClass, conf);<a name="line.176"></a> -<span class="sourceLineNo">177</span> } catch (ClassNotFoundException e) {<a name="line.177"></a> -<span class="sourceLineNo">178</span> throw new IllegalArgumentException("Compression codec "<a name="line.178"></a> -<span class="sourceLineNo">179</span> + request.getCompressCodec() + " was not found.", e);<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><a name="line.182"></a> -<span class="sourceLineNo">183</span> private static SequenceFile.Writer.Option getOutputPath(final Configuration conf,<a name="line.183"></a> -<span class="sourceLineNo">184</span> final RegionInfo info, final ExportProtos.ExportRequest request) throws IOException {<a name="line.184"></a> -<span class="sourceLineNo">185</span> Path file = new Path(request.getOutputPath(), "export-" + info.getEncodedName());<a name="line.185"></a> -<span class="sourceLineNo">186</span> FileSystem fs = file.getFileSystem(conf);<a name="line.186"></a> -<span class="sourceLineNo">187</span> if (fs.exists(file)) {<a name="line.187"></a> -<span class="sourceLineNo">188</span> throw new IOException(file + " exists");<a name="line.188"></a> -<span class="sourceLineNo">189</span> }<a name="line.189"></a> -<span class="sourceLineNo">190</span> return SequenceFile.Writer.file(file);<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> private static List<SequenceFile.Writer.Option> getWriterOptions(final Configuration conf,<a name="line.193"></a> -<span class="sourceLineNo">194</span> final RegionInfo info, final ExportProtos.ExportRequest request) throws IOException {<a name="line.194"></a> -<span class="sourceLineNo">195</span> List<SequenceFile.Writer.Option> rval = new LinkedList<>();<a name="line.195"></a> -<span class="sourceLineNo">196</span> rval.add(SequenceFile.Writer.keyClass(ImmutableBytesWritable.class));<a name="line.196"></a> -<span class="sourceLineNo">197</span> rval.add(SequenceFile.Writer.valueClass(Result.class));<a name="line.197"></a> -<span class="sourceLineNo">198</span> rval.add(getOutputPath(conf, info, request));<a name="line.198"></a> -<span class="sourceLineNo">199</span> if (getCompression(request)) {<a name="line.199"></a> -<span class="sourceLineNo">200</span> rval.add(SequenceFile.Writer.compression(getCompressionType(request), getCompressionCodec(conf, request)));<a name="line.200"></a> -<span class="sourceLineNo">201</span> } else {<a name="line.201"></a> -<span class="sourceLineNo">202</span> rval.add(SequenceFile.Writer.compression(SequenceFile.CompressionType.NONE));<a name="line.202"></a> -<span class="sourceLineNo">203</span> }<a name="line.203"></a> -<span class="sourceLineNo">204</span> return rval;<a name="line.204"></a> -<span class="sourceLineNo">205</span> }<a name="line.205"></a> -<span class="sourceLineNo">206</span><a name="line.206"></a> -<span class="sourceLineNo">207</span> private static ExportProtos.ExportResponse processData(final Region region, final Configuration conf,<a name="line.207"></a> -<span class="sourceLineNo">208</span> final UserProvider userProvider, final Scan scan, final Token userToken,<a name="line.208"></a> -<span class="sourceLineNo">209</span> final List<SequenceFile.Writer.Option> opts) throws IOException {<a name="line.209"></a> -<span class="sourceLineNo">210</span> ScanCoprocessor cp = new ScanCoprocessor(region);<a name="line.210"></a> -<span class="sourceLineNo">211</span> RegionScanner scanner = null;<a name="line.211"></a> -<span class="sourceLineNo">212</span> try (RegionOp regionOp = new RegionOp(region);<a name="line.212"></a> -<span class="sourceLineNo">213</span> SecureWriter out = new SecureWriter(conf, userProvider, userToken, opts)) {<a name="line.213"></a> -<span class="sourceLineNo">214</span> scanner = cp.checkScannerOpen(scan);<a name="line.214"></a> -<span class="sourceLineNo">215</span> ImmutableBytesWritable key = new ImmutableBytesWritable();<a name="line.215"></a> -<span class="sourceLineNo">216</span> long rowCount = 0;<a name="line.216"></a> -<span class="sourceLineNo">217</span> long cellCount = 0;<a name="line.217"></a> -<span class="sourceLineNo">218</span> List<Result> results = new ArrayList<>();<a name="line.218"></a> -<span class="sourceLineNo">219</span> List<Cell> cells = new ArrayList<>();<a name="line.219"></a> -<span class="sourceLineNo">220</span> boolean hasMore;<a name="line.220"></a> -<span class="sourceLineNo">221</span> do {<a name="line.221"></a> -<span class="sourceLineNo">222</span> boolean bypass = cp.preScannerNext(scanner, results, scan.getBatch());<a name="line.222"></a> -<span class="sourceLineNo">223</span> if (bypass) {<a name="line.223"></a> -<span class="sourceLineNo">224</span> hasMore = false;<a name="line.224"></a> -<span class="sourceLineNo">225</span> } else {<a name="line.225"></a> -<span class="sourceLineNo">226</span> hasMore = scanner.nextRaw(cells);<a name="line.226"></a> -<span class="sourceLineNo">227</span> if (cells.isEmpty()) {<a name="line.227"></a> -<span class="sourceLineNo">228</span> continue;<a name="line.228"></a> -<span class="sourceLineNo">229</span> }<a name="line.229"></a> -<span class="sourceLineNo">230</span> Cell firstCell = cells.get(0);<a name="line.230"></a> -<span class="sourceLineNo">231</span> for (Cell cell : cells) {<a name="line.231"></a> -<span class="sourceLineNo">232</span> if (Bytes.compareTo(firstCell.getRowArray(), firstCell.getRowOffset(), firstCell.getRowLength(),<a name="line.232"></a> -<span class="sourceLineNo">233</span> cell.getRowArray(), cell.getRowOffset(), cell.getRowLength()) != 0) {<a name="line.233"></a> -<span class="sourceLineNo">234</span> throw new IOException("Why the RegionScanner#nextRaw returns the data of different rows??"<a name="line.234"></a> -<span class="sourceLineNo">235</span> + " first row=" + Bytes.toHex(firstCell.getRowArray(), firstCell.getRowOffset(), firstCell.getRowLength())<a name="line.235"></a> -<span class="sourceLineNo">236</span> + ", current row=" + Bytes.toHex(cell.getRowArray(), cell.getRowOffset(), cell.getRowLength()));<a name="line.236"></a> -<span class="sourceLineNo">237</span> }<a name="line.237"></a> -<span class="sourceLineNo">238</span> }<a name="line.238"></a> -<span class="sourceLineNo">239</span> results.add(Result.create(cells));<a name="line.239"></a> -<span class="sourceLineNo">240</span> cells.clear();<a name="line.240"></a> -<span class="sourceLineNo">241</span> cp.postScannerNext(scanner, results, scan.getBatch(), hasMore);<a name="line.241"></a> -<span class="sourceLineNo">242</span> }<a name="line.242"></a> -<span class="sourceLineNo">243</span> for (Result r : results) {<a name="line.243"></a> -<span class="sourceLineNo">244</span> key.set(r.getRow());<a name="line.244"></a> -<span class="sourceLineNo">245</span> out.append(key, r);<a name="line.245"></a> -<span class="sourceLineNo">246</span> ++rowCount;<a name="line.246"></a> -<span class="sourceLineNo">247</span> cellCount += r.size();<a name="line.247"></a> -<span class="sourceLineNo">248</span> }<a name="line.248"></a> -<span class="sourceLineNo">249</span> results.clear();<a name="line.249"></a> -<span class="sourceLineNo">250</span> } while (hasMore);<a name="line.250"></a> -<span class="sourceLineNo">251</span> return ExportProtos.ExportResponse.newBuilder()<a name="line.251"></a> -<span class="sourceLineNo">252</span> .setRowCount(rowCount)<a name="line.252"></a> -<span class="sourceLineNo">253</span> .setCellCount(cellCount)<a name="line.253"></a> -<span class="sourceLineNo">254</span> .build();<a name="line.254"></a> -<span class="sourceLineNo">255</span> } finally {<a name="line.255"></a> -<span class="sourceLineNo">256</span> cp.checkScannerClose(scanner);<a name="line.256"></a> -<span class="sourceLineNo">257</span> }<a name="line.257"></a> -<span class="sourceLineNo">258</span> }<a name="line.258"></a> -<span class="sourceLineNo">259</span><a name="line.259"></a> -<span class="sourceLineNo">260</span> private static void checkDir(final FileSystem fs, final Path dir) throws IOException {<a name="line.260"></a> -<span class="sourceLineNo">261</span> if (fs.exists(dir)) {<a name="line.261"></a> -<span class="sourceLineNo">262</span> throw new RuntimeException("The " + dir + " exists");<a name="line.262"></a> -<span class="sourceLineNo">263</span> }<a name="line.263"></a> -<span class="sourceLineNo">264</span> if (!fs.mkdirs(dir)) {<a name="line.264"></a> -<span class="sourceLineNo">265</span> throw new IOException("Failed to create the " + dir);<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><a name="line.268"></a> -<span class="sourceLineNo">269</span> private static ExportProtos.ExportRequest getConfiguredRequest(Configuration conf,<a name="line.269"></a> -<span class="sourceLineNo">270</span> Path dir, final Scan scan, final Token<?> userToken) throws IOException {<a name="line.270"></a> -<span class="sourceLineNo">271</span> boolean compressed = conf.getBoolean(FileOutputFormat.COMPRESS, false);<a name="line.271"></a> -<span class="sourceLineNo">272</span> String compressionType = conf.get(FileOutputFormat.COMPRESS_TYPE,<a name="line.272"></a> -<span class="sourceLineNo">273</span> DEFAULT_TYPE.toString());<a name="line.273"></a> -<span class="sourceLineNo">274</span> String compressionCodec = conf.get(FileOutputFormat.COMPRESS_CODEC,<a name="line.274"></a> -<span class="sourceLineNo">275</span> DEFAULT_CODEC.getName());<a name="line.275"></a> -<span class="sourceLineNo">276</span> DelegationToken protoToken = null;<a name="line.276"></a> -<span class="sourceLineNo">277</span> if (userToken != null) {<a name="line.277"></a> -<span class="sourceLineNo">278</span> protoToken = DelegationToken.newBuilder()<a name="line.278"></a> -<span class="sourceLineNo">279</span> .setIdentifier(ByteStringer.wrap(userToken.getIdentifier()))<a name="line.279"></a> -<span class="sourceLineNo">280</span> .setPassword(ByteStringer.wrap(userToken.getPassword()))<a name="line.280"></a> -<span class="sourceLineNo">281</span> .setKind(userToken.getKind().toString())<a name="line.281"></a> -<span class="sourceLineNo">282</span> .setService(userToken.getService().toString()).build();<a name="line.282"></a> -<span class="sourceLineNo">283</span> }<a name="line.283"></a> -<span class="sourceLineNo">284</span> LOG.info("compressed=" + compressed<a name="line.284"></a> -<span class="sourceLineNo">285</span> + ", compression type=" + compressionType<a name="line.285"></a> -<span class="sourceLineNo">286</span> + ", compression codec=" + compressionCodec<a name="line.286"></a> -<span class="sourceLineNo">287</span> + ", userToken=" + userToken);<a name="line.287"></a> -<span class="sourceLineNo">288</span> ExportProtos.ExportRequest.Builder builder = ExportProtos.ExportRequest.newBuilder()<a name="line.288"></a> -<span class="sourceLineNo">289</span> .setScan(ProtobufUtil.toScan(scan))<a name="line.289"></a> -<span class="sourceLineNo">290</span> .setOutputPath(dir.toString())<a name="line.290"></a> -<span class="sourceLineNo">291</span> .setCompressed(compressed)<a name="line.291"></a> -<span class="sourceLineNo">292</span> .setCompressCodec(compressionCodec)<a name="line.292"></a> -<span class="sourceLineNo">293</span> .setCompressType(compressionType);<a name="line.293"></a> -<span class="sourceLineNo">294</span> if (protoToken != null) {<a name="line.294"></a> -<span class="sourceLineNo">295</span> builder.setFsToken(protoToken);<a name="line.295"></a> -<span class="sourceLineNo">296</span> }<a name="line.296"></a> -<span class="sourceLineNo">297</span> return builder.build();<a name="line.297"></a> -<span class="sourceLineNo">298</span> }<a name="line.298"></a> -<span class="sourceLineNo">299</span><a name="line.299"></a> +<span class="sourceLineNo">056</span>import org.apache.hadoop.hbase.regionserver.HRegion;<a name="line.56"></a> +<span class="sourceLineNo">057</span>import org.apache.hadoop.hbase.regionserver.InternalScanner;<a name="line.57"></a> +<span class="sourceLineNo">058</span>import org.apache.hadoop.hbase.regionserver.Region;<a name="line.58"></a> +<span class="sourceLineNo">059</span>import org.apache.hadoop.hbase.regionserver.RegionScanner;<a name="line.59"></a> +<span class="sourceLineNo">060</span>import org.apache.hadoop.hbase.security.User;<a name="line.60"></a> +<span class="sourceLineNo">061</span>import org.apache.hadoop.hbase.security.UserProvider;<a name="line.61"></a> +<span class="sourceLineNo">062</span>import org.apache.hadoop.hbase.security.token.FsDelegationToken;<a name="line.62"></a> +<span class="sourceLineNo">063</span>import org.apache.hadoop.hbase.util.ArrayUtils;<a name="line.63"></a> +<span class="sourceLineNo">064</span>import org.apache.hadoop.hbase.util.ByteStringer;<a name="line.64"></a> +<span class="sourceLineNo">065</span>import org.apache.hadoop.hbase.util.Bytes;<a name="line.65"></a> +<span class="sourceLineNo">066</span>import org.apache.hadoop.hbase.util.Triple;<a name="line.66"></a> +<span class="sourceLineNo">067</span>import org.apache.hadoop.io.SequenceFile;<a name="line.67"></a> +<span class="sourceLineNo">068</span>import org.apache.hadoop.io.Text;<a name="line.68"></a> +<span class="sourceLineNo">069</span>import org.apache.hadoop.io.compress.CompressionCodec;<a name="line.69"></a> +<span class="sourceLineNo">070</span>import org.apache.hadoop.io.compress.DefaultCodec;<a name="line.70"></a> +<span class="sourceLineNo">071</span>import org.apache.hadoop.mapreduce.lib.output.FileOutputFormat;<a name="line.71"></a> +<span class="sourceLineNo">072</span>import org.apache.hadoop.security.token.Token;<a name="line.72"></a> +<span class="sourceLineNo">073</span>import org.apache.hadoop.util.GenericOptionsParser;<a name="line.73"></a> +<span class="sourceLineNo">074</span>import org.apache.hadoop.util.ReflectionUtils;<a name="line.74"></a> +<span class="sourceLineNo">075</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.75"></a> +<span class="sourceLineNo">076</span>import org.apache.yetus.audience.InterfaceStability;<a name="line.76"></a> +<span class="sourceLineNo">077</span><a name="line.77"></a> +<span class="sourceLineNo">078</span>import org.apache.hadoop.hbase.shaded.com.google.common.annotations.VisibleForTesting;<a name="line.78"></a> +<span class="sourceLineNo">079</span><a name="line.79"></a> +<span class="sourceLineNo">080</span>import com.google.protobuf.RpcCallback;<a name="line.80"></a> +<span class="sourceLineNo">081</span>import com.google.protobuf.RpcController;<a name="line.81"></a> +<span class="sourceLineNo">082</span>import com.google.protobuf.Service;<a name="line.82"></a> +<span class="sourceLineNo">083</span><a name="line.83"></a> +<span class="sourceLineNo">084</span>/**<a name="line.84"></a> +<span class="sourceLineNo">085</span> * Export an HBase table. Writes content to sequence files up in HDFS. Use<a name="line.85"></a> +<span class="sourceLineNo">086</span> * {@link Import} to read it back in again. It is implemented by the endpoint<a name="line.86"></a> +<span class="sourceLineNo">087</span> * technique.<a name="line.87"></a> +<span class="sourceLineNo">088</span> *<a name="line.88"></a> +<span class="sourceLineNo">089</span> * @see org.apache.hadoop.hbase.mapreduce.Export<a name="line.89"></a> +<span class="sourceLineNo">090</span> */<a name="line.90"></a> +<span class="sourceLineNo">091</span>@InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.COPROC)<a name="line.91"></a> +<span class="sourceLineNo">092</span>@InterfaceStability.Evolving<a name="line.92"></a> +<span class="sourceLineNo">093</span>public class Export extends ExportProtos.ExportService implements RegionCoprocessor {<a name="line.93"></a> +<span class="sourceLineNo">094</span><a name="line.94"></a> +<span class="sourceLineNo">095</span> private static final Log LOG = LogFactory.getLog(Export.class);<a name="line.95"></a> +<span class="sourceLineNo">096</span> private static final Class<? extends CompressionCodec> DEFAULT_CODEC = DefaultCodec.class;<a name="line.96"></a> +<span class="sourceLineNo">097</span> private static final SequenceFile.CompressionType DEFAULT_TYPE = SequenceFile.CompressionType.RECORD;<a name="line.97"></a> +<span class="sourceLineNo">098</span> private RegionCoprocessorEnvironment env = null;<a name="line.98"></a> +<span class="sourceLineNo">099</span> private UserProvider userProvider;<a name="line.99"></a> +<span class="sourceLineNo">100</span><a name="line.100"></a> +<span class="sourceLineNo">101</span> public static void main(String[] args) throws Throwable {<a name="line.101"></a> +<span class="sourceLineNo">102</span> Map<byte[], Response> response = run(HBaseConfiguration.create(), args);<a name="line.102"></a> +<span class="sourceLineNo">103</span> System.exit(response == null ? -1 : 0);<a name="line.103"></a> +<span class="sourceLineNo">104</span> }<a name="line.104"></a> +<span class="sourceLineNo">105</span><a name="line.105"></a> +<span class="sourceLineNo">106</span> @VisibleForTesting<a name="line.106"></a> +<span class="sourceLineNo">107</span> static Map<byte[], Response> run(final Configuration conf, final String[] args) throws Throwable {<a name="line.107"></a> +<span class="sourceLineNo">108</span> String[] otherArgs = new GenericOptionsParser(conf, args).getRemainingArgs();<a name="line.108"></a> +<span class="sourceLineNo">109</span> if (!ExportUtils.isValidArguements(args)) {<a name="line.109"></a> +<span class="sourceLineNo">110</span> ExportUtils.usage("Wrong number of arguments: " + ArrayUtils.length(otherArgs));<a name="line.110"></a> +<span class="sourceLineNo">111</span> return null;<a name="line.111"></a> +<span class="sourceLineNo">112</span> }<a name="line.112"></a> +<span class="sourceLineNo">113</span> Triple<TableName, Scan, Path> arguments = ExportUtils.getArgumentsFromCommandLine(conf, otherArgs);<a name="line.113"></a> +<span class="sourceLineNo">114</span> return run(conf, arguments.getFirst(), arguments.getSecond(), arguments.getThird());<a name="line.114"></a> +<span class="sourceLineNo">115</span> }<a name="line.115"></a> +<span class="sourceLineNo">116</span><a name="line.116"></a> +<span class="sourceLineNo">117</span> public static Map<byte[], Response> run(final Configuration conf, TableName tableName, Scan scan, Path dir) throws Throwable {<a name="line.117"></a> +<span class="sourceLineNo">118</span> FileSystem fs = dir.getFileSystem(conf);<a name="line.118"></a> +<span class="sourceLineNo">119</span> UserProvider userProvider = UserProvider.instantiate(conf);<a name="line.119"></a> +<span class="sourceLineNo">120</span> checkDir(fs, dir);<a name="line.120"></a> +<span class="sourceLineNo">121</span> FsDelegationToken fsDelegationToken = new FsDelegationToken(userProvider, "renewer");<a name="line.121"></a> +<span class="sourceLineNo">122</span> fsDelegationToken.acquireDelegationToken(fs);<a name="line.122"></a> +<span class="sourceLineNo">123</span> try {<a name="line.123"></a> +<span class="sourceLineNo">124</span> final ExportProtos.ExportRequest request = getConfiguredRequest(conf, dir,<a name="line.124"></a> +<span class="sourceLineNo">125</span> scan, fsDelegationToken.getUserToken());<a name="line.125"></a> +<span class="sourceLineNo">126</span> try (Connection con = ConnectionFactory.createConnection(conf);<a name="line.126"></a> +<span class="sourceLineNo">127</span> Table table = con.getTable(tableName)) {<a name="line.127"></a> +<span class="sourceLineNo">128</span> Map<byte[], Response> result = new TreeMap<>(Bytes.BYTES_COMPARATOR);<a name="line.128"></a> +<span class="sourceLineNo">129</span> table.coprocessorService(ExportProtos.ExportService.class,<a name="line.129"></a> +<span class="sourceLineNo">130</span> scan.getStartRow(),<a name="line.130"></a> +<span class="sourceLineNo">131</span> scan.getStopRow(),<a name="line.131"></a> +<span class="sourceLineNo">132</span> (ExportProtos.ExportService service) -> {<a name="line.132"></a> +<span class="sourceLineNo">133</span> ServerRpcController controller = new ServerRpcController();<a name="line.133"></a> +<span class="sourceLineNo">134</span> Map<byte[], ExportProtos.ExportResponse> rval = new TreeMap<>(Bytes.BYTES_COMPARATOR);<a name="line.134"></a> +<span class="sourceLineNo">135</span> CoprocessorRpcUtils.BlockingRpcCallback<ExportProtos.ExportResponse><a name="line.135"></a> +<span class="sourceLineNo">136</span> rpcCallback = new CoprocessorRpcUtils.BlockingRpcCallback<>();<a name="line.136"></a> +<span class="sourceLineNo">137</span> service.export(controller, request, rpcCallback);<a name="line.137"></a> +<span class="sourceLineNo">138</span> if (controller.failedOnException()) {<a name="line.138"></a> +<span class="sourceLineNo">139</span> throw controller.getFailedOn();<a name="line.139"></a> +<span class="sourceLineNo">140</span> }<a name="line.140"></a> +<span class="sourceLineNo">141</span> return rpcCallback.get();<a name="line.141"></a> +<span class="sourceLineNo">142</span> }).forEach((k, v) -> result.put(k, new Response(v)));<a name="line.142"></a> +<span class="sourceLineNo">143</span> return result;<a name="line.143"></a> +<span class="sourceLineNo">144</span> } catch (Throwable e) {<a name="line.144"></a> +<span class="sourceLineNo">145</span> fs.delete(dir, true);<a name="line.145"></a> +<span class="sourceLineNo">146</span> throw e;<a name="line.146"></a> +<span class="sourceLineNo">147</span> }<a name="line.147"></a> +<span class="sourceLineNo">148</span> } finally {<a name="line.148"></a> +<span class="sourceLineNo">149</span> fsDelegationToken.releaseDelegationToken();<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><a name="line.152"></a> +<span class="sourceLineNo">153</span> private static boolean getCompression(final ExportProtos.ExportRequest request) {<a name="line.153"></a> +<span class="sourceLineNo">154</span> if (request.hasCompressed()) {<a name="line.154"></a> +<span class="sourceLineNo">155</span> return request.getCompressed();<a name="line.155"></a> +<span class="sourceLineNo">156</span> } else {<a name="line.156"></a> +<span class="sourceLineNo">157</span> return false;<a name="line.157"></a> +<span class="sourceLineNo">158</span> }<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> private static SequenceFile.CompressionType getCompressionType(final ExportProtos.ExportRequest request) {<a name="line.161"></a> +<span class="sourceLineNo">162</span> if (request.hasCompressType()) {<a name="line.162"></a> +<span class="sourceLineNo">163</span> return SequenceFile.CompressionType.valueOf(request.getCompressType());<a name="line.163"></a> +<span class="sourceLineNo">164</span> } else {<a name="line.164"></a> +<span class="sourceLineNo">165</span> return DEFAULT_TYPE;<a name="line.165"></a> +<span class="sourceLineNo">166</span> }<a name="line.166"></a> +<span class="sourceLineNo">167</span> }<a name="line.167"></a> +<span class="sourceLineNo">168</span><a name="line.168"></a> +<span class="sourceLineNo">169</span> private static CompressionCodec getCompressionCodec(final Configuration conf, final ExportProtos.ExportRequest request) {<a name="line.169"></a> +<span class="sourceLineNo">170</span> try {<a name="line.170"></a> +<span class="sourceLineNo">171</span> Class<? extends CompressionCodec> codecClass;<a name="line.171"></a> +<span class="sourceLineNo">172</span> if (request.hasCompressCodec()) {<a name="line.172"></a> +<span class="sourceLineNo">173</span> codecClass = conf.getClassByName(request.getCompressCodec()).asSubclass(CompressionCodec.class);<a name="line.173"></a> +<span class="sourceLineNo">174</span> } else {<a name="line.174"></a> +<span class="sourceLineNo">175</span> codecClass = DEFAULT_CODEC;<a name="line.175"></a> +<span class="sourceLineNo">176</span> }<a name="line.176"></a> +<span class="sourceLineNo">177</span> return ReflectionUtils.newInstance(codecClass, conf);<a name="line.177"></a> +<span class="sourceLineNo">178</span> } catch (ClassNotFoundException e) {<a name="line.178"></a> +<span class="sourceLineNo">179</span> throw new IllegalArgumentException("Compression codec "<a name="line.179"></a> +<span class="sourceLineNo">180</span> + request.getCompressCodec() + " was not found.", e);<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><a name="line.183"></a> +<span class="sourceLineNo">184</span> private static SequenceFile.Writer.Option getOutputPath(final Configuration conf,<a name="line.184"></a> +<span class="sourceLineNo">185</span> final RegionInfo info, final ExportProtos.ExportRequest request) throws IOException {<a name="line.185"></a> +<span class="sourceLineNo">186</span> Path file = new Path(request.getOutputPath(), "export-" + info.getEncodedName());<a name="line.186"></a> +<span class="sourceLineNo">187</span> FileSystem fs = file.getFileSystem(conf);<a name="line.187"></a> +<span class="sourceLineNo">188</span> if (fs.exists(file)) {<a name="line.188"></a> +<span class="sourceLineNo">189</span> throw new IOException(file + " exists");<a name="line.189"></a> +<span class="sourceLineNo">190</span> }<a name="line.190"></a> +<span class="sourceLineNo">191</span> return SequenceFile.Writer.file(file);<a name="line.191"></a> +<span class="sourceLineNo">192</span> }<a name="line.192"></a> +<span class="sourceLineNo">193</span><a name="line.193"></a> +<span class="sourceLineNo">194</span> private static List<SequenceFile.Writer.Option> getWriterOptions(final Configuration conf,<a name="line.194"></a> +<span class="sourceLineNo">195</span> final RegionInfo info, final ExportProtos.ExportRequest request) throws IOException {<a name="line.195"></a> +<span class="sourceLineNo">196</span> List<SequenceFile.Writer.Option> rval = new LinkedList<>();<a name="line.196"></a> +<span class="sourceLineNo">197</span> rval.add(SequenceFile.Writer.keyClass(ImmutableBytesWritable.class));<a name="line.197"></a> +<span class="sourceLineNo">198</span> rval.add(SequenceFile.Writer.valueClass(Result.class));<a name="line.198"></a> +<span class="sourceLineNo">199</span> rval.add(getOutputPath(conf, info, request));<a name="line.199"></a> +<span class="sourceLineNo">200</span> if (getCompression(request)) {<a name="line.200"></a> +<span class="sourceLineNo">201</span> rval.add(SequenceFile.Writer.compression(getCompressionType(request), getCompressionCodec(conf, request)));<a name="line.201"></a> +<span class="sourceLineNo">202</span> } else {<a name="line.202"></a> +<span class="sourceLineNo">203</span> rval.add(SequenceFile.Writer.compression(SequenceFile.CompressionType.NONE));<a name="line.203"></a> +<span class="sourceLineNo">204</span> }<a name="line.204"></a> +<span class="sourceLineNo">205</span> return rval;<a name="line.205"></a> +<span class="sourceLineNo">206</span> }<a name="line.206"></a> +<span class="sourceLineNo">207</span><a name="line.207"></a> +<span class="sourceLineNo">208</span> private static ExportProtos.ExportResponse processData(final Region region, final Configuration conf,<a name="line.208"></a> +<span class="sourceLineNo">209</span> final UserProvider userProvider, final Scan scan, final Token userToken,<a name="line.209"></a> +<span class="sourceLineNo">210</span> final List<SequenceFile.Writer.Option> opts) throws IOException {<a name="line.210"></a> +<span class="sourceLineNo">211</span> ScanCoprocessor cp = new ScanCoprocessor(region);<a name="line.211"></a> +<span class="sourceLineNo">212</span> RegionScanner scanner = null;<a name="line.212"></a> +<span class="sourceLineNo">213</span> try (RegionOp regionOp = new RegionOp(region);<a name="line.213"></a> +<span class="sourceLineNo">214</span> SecureWriter out = new SecureWriter(conf, userProvider, userToken, opts)) {<a name="line.214"></a> +<span class="sourceLineNo">215</span> scanner = cp.checkScannerOpen(scan);<a name="line.215"></a> +<span class="sourceLineNo">216</span> ImmutableBytesWritable key = new ImmutableBytesWritable();<a name="line.216"></a> +<span class="sourceLineNo">217</span> long rowCount = 0;<a name="line.217"></a> +<span class="sourceLineNo">218</span> long cellCount = 0;<a name="line.218"></a> +<span class="sourceLineNo">219</span> List<Result> results = new ArrayList<>();<a name="line.219"></a> +<span class="sourceLineNo">220</span> List<Cell> cells = new ArrayList<>();<a name="line.220"></a> +<span class="sourceLineNo">221</span> boolean hasMore;<a name="line.221"></a> +<span class="sourceLineNo">222</span> do {<a name="line.222"></a> +<span class="sourceLineNo">223</span> boolean bypass = cp.preScannerNext(scanner, results, scan.getBatch());<a name="line.223"></a> +<span class="sourceLineNo">224</span> if (bypass) {<a name="line.224"></a> +<span class="sourceLineNo">225</span> hasMore = false;<a name="line.225"></a> +<span class="sourceLineNo">226</span> } else {<a name="line.226"></a> +<span class="sourceLineNo">227</span> hasMore = scanner.nextRaw(cells);<a name="line.227"></a> +<span class="sourceLineNo">228</span> if (cells.isEmpty()) {<a name="line.228"></a> +<span class="sourceLineNo">229</span> continue;<a name="line.229"></a> +<span class="sourceLineNo">230</span> }<a name="line.230"></a> +<span class="sourceLineNo">231</span> Cell firstCell = cells.get(0);<a name="line.231"></a> +<span class="sourceLineNo">232</span> for (Cell cell : cells) {<a name="line.232"></a> +<span class="sourceLineNo">233</span> if (Bytes.compareTo(firstCell.getRowArray(), firstCell.getRowOffset(), firstCell.getRowLength(),<a name="line.233"></a> +<span class="sourceLineNo">234</span> cell.getRowArray(), cell.getRowOffset(), cell.getRowLength()) != 0) {<a name="line.234"></a> +<span class="sourceLineNo">235</span> throw new IOException("Why the RegionScanner#nextRaw returns the data of different rows??"<a name="line.235"></a> +<span class="sourceLineNo">236</span> + " first row=" + Bytes.toHex(firstCell.getRowArray(), firstCell.getRowOffset(), firstCell.getRowLength())<a name="line.236"></a> +<span class="sourceLineNo">237</span> + ", current row=" + Bytes.toHex(cell.getRowArray(), cell.getRowOffset(), cell.getRowLength()));<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> results.add(Result.create(cells));<a name="line.240"></a> +<span class="sourceLineNo">241</span> cells.clear();<a name="line.241"></a> +<span class="sourceLineNo">242</span> cp.postScannerNext(scanner, results, scan.getBatch(), hasMore);<a name="line.242"></a> +<span class="sourceLineNo">243</span> }<a name="line.243"></a> +<span class="sourceLineNo">244</span> for (Result r : results) {<a name="line.244"></a> +<span class="sourceLineNo">245</span> key.set(r.getRow());<a name="line.245"></a> +<span class="sourceLineNo">246</span> out.append(key, r);<a name="line.246"></a> +<span class="sourceLineNo">247</span> ++rowCount;<a name="line.247"></a> +<span class="sourceLineNo">248</span> cellCount += r.size();<a name="line.248"></a> +<span class="sourceLineNo">249</span> }<a name="line.249"></a> +<span class="sourceLineNo">250</span> results.clear();<a name="line.250"></a> +<span class="sourceLineNo">251</span> } while (hasMore);<a name="line.251"></a> +<span class="sourceLineNo">252</span> return ExportProtos.ExportResponse.newBuilder()<a name="line.252"></a> +<span class="sourceLineNo">253</span> .setRowCount(rowCount)<a name="line.253"></a> +<span class="sourceLineNo">254</span> .setCellCount(cellCount)<a name="line.254"></a> +<span class="sourceLineNo">255</span> .build();<a name="line.255"></a> +<span class="sourceLineNo">256</span> } finally {<a name="line.256"></a> +<span class="sourceLineNo">257</span> cp.checkScannerClose(scanner);<a name="line.257"></a> +<span class="sourceLineNo">258</span> }<a name="line.258"></a> +<span class="sourceLineNo">259</span> }<a name="line.259"></a> +<span class="sourceLineNo">260</span><a name="line.260"></a> +<span class="sourceLineNo">261</span> private static void checkDir(final FileSystem fs, final Path dir) throws IOException {<a name="line.261"></a> +<span class="sourceLineNo">262</span> if (fs.exists(dir)) {<a name="line.262"></a> +<span class="sourceLineNo">263</span> throw new RuntimeException("The " + dir + " exists");<a name="line.263"></a> +<span class="sourceLineNo">264</span> }<a name="line.264"></a> +<span class="sourceLineNo">265</span> if (!fs.mkdirs(dir)) {<a name="line.265"></a> +<span class="sourceLineNo">266</span> throw new IOException("Failed to create the " + dir);<a name="line.266"></a> +<span class="sourceLineNo">267</span> }<a name="line.267"></a> +<span class="sourceLineNo">268</span> }<a name="line.268"></a> +<span class="sourceLineNo">269</span><a name="line.269"></a> +<span class="sourceLineNo">270</span> private static ExportProtos.ExportRequest getConfiguredRequest(Configuration conf,<a name="line.270"></a> +<span class="sourceLineNo">271</span> Path dir, final Scan scan, final Token<?> userToken) throws IOException {<a name="line.271"></a> +<span class="sourceLineNo">272</span> boolean compressed = conf.getBoolean(FileOutputFormat.COMPRESS, false);<a name="line.272"></a> +<span class="sourceLineNo">273</span> String compressionType = conf.get(FileOutputFormat.COMPRESS_TYPE,<a name="line.273"></a> +<span class="sourceLineNo">274</span> DEFAULT_TYPE.toString());<a name="line.274"></a> +<span class="sourceLineNo">275</span> String compressionCodec = conf.get(FileOutputFormat.COMPRESS_CODEC,<a name="line.275"></a> +<span class="sourceLineNo">276</span> DEFAULT_CODEC.getName());<a name="line.276"></a> +<span class="sourceLineNo">277</span> DelegationToken protoToken = null;<a name="line.277"></a> +<span class="sourceLineNo">278</span> if (userToken != null) {<a name="line.278"></a> +<span class="sourceLineNo">279</span> protoToken = DelegationToken.newBuilder()<a name="line.279"></a> +<span class="sourceLineNo">280</span> .setIdentifier(ByteStringer.wrap(userToken.getIdentifier()))<a name="line.280"></a> +<span class="sourceLineNo">281</span> .setPassword(ByteStringer.wrap(userToken.getPassword()))<a name="line.281"></a> +<span class="sourceLineNo">282</span> .setKind(userToken.getKind().toString())<a name="line.282"></a> +<span class="sourceLineNo">283</span> .setService(userToken.getService().toString()).build();<a name="line.283"></a> +<span class="sourceLineNo">284</span> }<a name="line.284"></a> +<span class="sourceLineNo">285</span> LOG.info("compressed=" + compressed<a name="line.285"></a> +<span class="sourceLineNo">286</span> + ", compression type=" + compressionType<a name="line.286"></a> +<span class="sourceLineNo">287</span> + ", compression codec=" + compressionCodec<a name="line.287"></a> +<span class="sourceLineNo">288</span> + ", userToken=" + userToken);<a name="line.288"></a> +<span class="sourceLineNo">289</span> ExportProtos.ExportRequest.Builder builder = ExportProtos.ExportRequest.newBuilder()<a name="line.289"></a> +<span class="sourceLineNo">290</span> .setScan(ProtobufUtil.toScan(scan))<a name="line.290"></a> +<span class="sourceLineNo">291</span> .setOutputPath(dir.toString())<a name="line.291"></a> +<span class="sourceLineNo">292</span> .setCompressed(compressed)<a name="line.292"></a> +<span class="sourceLineNo">293</span> .setCompressCodec(compressionCodec)<a name="line.293"></a> +<span class="sourceLineNo">294</span> .setCompressType(compressionType);<a name="line.294"></a> +<span class="sourceLineNo">295</span> if (protoToken != null) {<a name="line.295"></a> +<span class="sourceLineNo">296</span> builder.setFsToken(protoToken);<a name="line.296"></a> +<span class="sourceLineNo">297</span> }<a name="line.297"></a> +<span class="sourceLineNo">298</span> return builder.build();<a name="line.298"></a> +<span class="sourceLineNo">299</span> }<a name="line.299"></a> <span class="sourceLineNo">300</span><a name="line.300"></a> -<span class="sourceLineNo">301</span> @Override<a name="line.301"></a> -<span class="sourceLineNo">302</span> public void start(CoprocessorEnvironment environment) throws IOException {<a name="line.302"></a> -<span class="sourceLineNo">303</span> if (environment instanceof RegionCoprocessorEnvironment) {<a name="line.303"></a> -<span class="sourceLineNo">304</span> env = (RegionCoprocessorEnvironment) environment;<a name="line.304"></a> -<span class="sourceLineNo">305</span> userProvider = 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class="sourceLineNo">317</span> return Collections.singleton(this);<a name="line.317"></a> -<span class="sourceLineNo">318</span> }<a name="line.318"></a> -<span class="sourceLineNo">319</span><a name="line.319"></a> -<span class="sourceLineNo">320</span> @Override<a name="line.320"></a> -<span class="sourceLineNo">321</span> public void export(RpcController controller, ExportProtos.ExportRequest request,<a name="line.321"></a> -<span class="sourceLineNo">322</span> RpcCallback<ExportProtos.ExportResponse> done) {<a name="line.322"></a> -<span class="sourceLineNo">323</span> Region region = env.getRegion();<a name="line.323"></a> -<span class="sourceLineNo">324</span> Configuration conf = HBaseConfiguration.create(env.getConfiguration());<a name="line.324"></a> -<span class="sourceLineNo">325</span> conf.setStrings("io.serializations", conf.get("io.serializations"), ResultSerialization.class.getName());<a name="line.325"></a> -<span class="sourceLineNo">326</span> try {<a name="line.326"></a> -<span class="sourceLineNo">327</span> Scan scan = validateKey(region.getRegionInfo(), request);<a name="line.327"></a> -<span class="sourceLineNo">328</span> Token userToken = null;<a name="line.328"></a> -<span class="sourceLineNo">329</span> if (userProvider.isHadoopSecurityEnabled() && !request.hasFsToken()) {<a name="line.329"></a> -<span class="sourceLineNo">330</span> LOG.warn("Hadoop security is enable, but no found of user token");<a name="line.330"></a> -<span class="sourceLineNo">331</span> } else if (userProvider.isHadoopSecurityEnabled()) {<a name="line.331"></a> -<span class="sourceLineNo">332</span> userToken = new Token(request.getFsToken().getIdentifier().toByteArray(),<a name="line.332"></a> -<span class="sourceLineNo">333</span> request.getFsToken().getPassword().toByteArray(),<a name="line.333"></a> -<span class="sourceLineNo">334</span> new Text(request.getFsToken().getKind()),<a name="line.334"></a> -<span class="sourceLineNo">335</span> new 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try {<a name="line.414"></a> -<span class="sourceLineNo">415</span> s.close();<a name="line.415"></a> -<span class="sourceLineNo">416</span> } finally {<a name="line.416"></a> -<span class="sourceLineNo">417</span> region.getCoprocessorHost().postScannerClose(s);<a name="line.417"></a> -<span class="sourceLineNo">418</span> }<a name="line.418"></a> -<span class="sourceLineNo">419</span> }<a name="line.419"></a> -<span class="sourceLineNo">420</span><a name="line.420"></a> -<span class="sourceLineNo">421</span> boolean preScannerNext(final InternalScanner s,<a name="line.421"></a> -<span class="sourceLineNo">422</span> final List<Result> results, final int limit) throws IOException {<a name="line.422"></a> -<span class="sourceLineNo">423</span> if (region.getCoprocessorHost() == null) {<a name="line.423"></a> -<span class="sourceLineNo">424</span> return false;<a name="line.424"></a> -<span class="sourceLineNo">425</span> } else {<a name="line.425"></a> -<span 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conf.setStrings("io.serializations", conf.get("io.serializations"), ResultSerialization.class.getName());<a name="line.326"></a> +<span class="sourceLineNo">327</span> try {<a name="line.327"></a> +<span class="sourceLineNo">328</span> Scan scan = validateKey(region.getRegionInfo(), request);<a name="line.328"></a> +<span class="sourceLineNo">329</span> Token userToken = null;<a name="line.329"></a> +<span class="sourceLineNo">330</span> if (userProvider.isHadoopSecurityEnabled() && !request.hasFsToken()) {<a name="line.330"></a> +<span class="sourceLineNo">331</span> LOG.warn("Hadoop security is enable, but no found of user token");<a name="line.331"></a> +<span class="sourceLineNo">332</span> } else if (userProvider.isHadoopSecurityEnabled()) {<a name="line.332"></a> +<span class="sourceLineNo">333</span> userToken = new Token(request.getFsToken().getIdentifier().toByteArray(),<a name="line.333"></a> +<span class="sourceLineNo">334</span> 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<TRUNCATED>
