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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/03/27 14:48:44 UTC

[20/51] [partial] hbase-site git commit: Published site at 2a2258656b2fcd92b967131b6c1f037363553bc4.

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/e0fb1fde/devapidocs/src-html/org/apache/hadoop/hbase/backup/impl/BackupManager.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/backup/impl/BackupManager.html b/devapidocs/src-html/org/apache/hadoop/hbase/backup/impl/BackupManager.html
index d0d6f47..45e4c6c 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/backup/impl/BackupManager.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/backup/impl/BackupManager.html
@@ -40,499 +40,505 @@
 <span class="sourceLineNo">032</span>import org.apache.hadoop.hbase.HConstants;<a name="line.32"></a>
 <span class="sourceLineNo">033</span>import org.apache.hadoop.hbase.HTableDescriptor;<a name="line.33"></a>
 <span class="sourceLineNo">034</span>import org.apache.hadoop.hbase.TableName;<a name="line.34"></a>
-<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.backup.BackupInfo;<a name="line.35"></a>
-<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.backup.BackupInfo.BackupState;<a name="line.36"></a>
-<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.backup.BackupObserver;<a name="line.37"></a>
-<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.backup.BackupRestoreConstants;<a name="line.38"></a>
-<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.backup.BackupType;<a name="line.39"></a>
-<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.backup.HBackupFileSystem;<a name="line.40"></a>
-<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.backup.impl.BackupManifest.BackupImage;<a name="line.41"></a>
-<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.backup.master.BackupLogCleaner;<a name="line.42"></a>
-<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.backup.master.LogRollMasterProcedureManager;<a name="line.43"></a>
-<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.backup.regionserver.LogRollRegionServerProcedureManager;<a name="line.44"></a>
-<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.client.Admin;<a name="line.45"></a>
-<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.46"></a>
-<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.coprocessor.CoprocessorHost;<a name="line.47"></a>
-<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.procedure.ProcedureManagerHost;<a name="line.48"></a>
-<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.util.Pair;<a name="line.49"></a>
-<span class="sourceLineNo">050</span>import org.apache.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.50"></a>
-<span class="sourceLineNo">051</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.51"></a>
-<span class="sourceLineNo">052</span>import org.slf4j.Logger;<a name="line.52"></a>
-<span class="sourceLineNo">053</span>import org.slf4j.LoggerFactory;<a name="line.53"></a>
-<span class="sourceLineNo">054</span><a name="line.54"></a>
-<span class="sourceLineNo">055</span>/**<a name="line.55"></a>
-<span class="sourceLineNo">056</span> * Handles backup requests, creates backup info records in backup system table to keep track of<a name="line.56"></a>
-<span class="sourceLineNo">057</span> * backup sessions, dispatches backup request.<a name="line.57"></a>
-<span class="sourceLineNo">058</span> */<a name="line.58"></a>
-<span class="sourceLineNo">059</span>@InterfaceAudience.Private<a name="line.59"></a>
-<span class="sourceLineNo">060</span>public class BackupManager implements Closeable {<a name="line.60"></a>
-<span class="sourceLineNo">061</span>  // in seconds<a name="line.61"></a>
-<span class="sourceLineNo">062</span>  public final static String BACKUP_EXCLUSIVE_OPERATION_TIMEOUT_SECONDS_KEY =<a name="line.62"></a>
-<span class="sourceLineNo">063</span>      "hbase.backup.exclusive.op.timeout.seconds";<a name="line.63"></a>
-<span class="sourceLineNo">064</span>  // In seconds<a name="line.64"></a>
-<span class="sourceLineNo">065</span>  private final static int DEFAULT_BACKUP_EXCLUSIVE_OPERATION_TIMEOUT = 3600;<a name="line.65"></a>
-<span class="sourceLineNo">066</span>  private static final Logger LOG = LoggerFactory.getLogger(BackupManager.class);<a name="line.66"></a>
-<span class="sourceLineNo">067</span><a name="line.67"></a>
-<span class="sourceLineNo">068</span>  protected Configuration conf = null;<a name="line.68"></a>
-<span class="sourceLineNo">069</span>  protected BackupInfo backupInfo = null;<a name="line.69"></a>
-<span class="sourceLineNo">070</span>  protected BackupSystemTable systemTable;<a name="line.70"></a>
-<span class="sourceLineNo">071</span>  protected final Connection conn;<a name="line.71"></a>
-<span class="sourceLineNo">072</span><a name="line.72"></a>
-<span class="sourceLineNo">073</span>  /**<a name="line.73"></a>
-<span class="sourceLineNo">074</span>   * Backup manager constructor.<a name="line.74"></a>
-<span class="sourceLineNo">075</span>   * @param conn connection<a name="line.75"></a>
-<span class="sourceLineNo">076</span>   * @param conf configuration<a name="line.76"></a>
-<span class="sourceLineNo">077</span>   * @throws IOException exception<a name="line.77"></a>
-<span class="sourceLineNo">078</span>   */<a name="line.78"></a>
-<span class="sourceLineNo">079</span>  public BackupManager(Connection conn, Configuration conf) throws IOException {<a name="line.79"></a>
-<span class="sourceLineNo">080</span>    if (!conf.getBoolean(BackupRestoreConstants.BACKUP_ENABLE_KEY,<a name="line.80"></a>
-<span class="sourceLineNo">081</span>      BackupRestoreConstants.BACKUP_ENABLE_DEFAULT)) {<a name="line.81"></a>
-<span class="sourceLineNo">082</span>      throw new BackupException("HBase backup is not enabled. Check your "<a name="line.82"></a>
-<span class="sourceLineNo">083</span>          + BackupRestoreConstants.BACKUP_ENABLE_KEY + " setting.");<a name="line.83"></a>
-<span class="sourceLineNo">084</span>    }<a name="line.84"></a>
-<span class="sourceLineNo">085</span>    this.conf = conf;<a name="line.85"></a>
-<span class="sourceLineNo">086</span>    this.conn = conn;<a name="line.86"></a>
-<span class="sourceLineNo">087</span>    this.systemTable = new BackupSystemTable(conn);<a name="line.87"></a>
-<span class="sourceLineNo">088</span>  }<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>   * Returns backup info<a name="line.91"></a>
-<span class="sourceLineNo">092</span>   */<a name="line.92"></a>
-<span class="sourceLineNo">093</span>  protected BackupInfo getBackupInfo() {<a name="line.93"></a>
-<span class="sourceLineNo">094</span>    return backupInfo;<a name="line.94"></a>
-<span class="sourceLineNo">095</span>  }<a name="line.95"></a>
-<span class="sourceLineNo">096</span><a name="line.96"></a>
-<span class="sourceLineNo">097</span>  /**<a name="line.97"></a>
-<span class="sourceLineNo">098</span>   * This method modifies the master's configuration in order to inject backup-related features<a name="line.98"></a>
-<span class="sourceLineNo">099</span>   * (TESTs only)<a name="line.99"></a>
-<span class="sourceLineNo">100</span>   * @param conf configuration<a name="line.100"></a>
-<span class="sourceLineNo">101</span>   */<a name="line.101"></a>
-<span class="sourceLineNo">102</span>  @VisibleForTesting<a name="line.102"></a>
-<span class="sourceLineNo">103</span>  public static void decorateMasterConfiguration(Configuration conf) {<a name="line.103"></a>
-<span class="sourceLineNo">104</span>    if (!isBackupEnabled(conf)) {<a name="line.104"></a>
-<span class="sourceLineNo">105</span>      return;<a name="line.105"></a>
-<span class="sourceLineNo">106</span>    }<a name="line.106"></a>
-<span class="sourceLineNo">107</span>    // Add WAL archive cleaner plug-in<a name="line.107"></a>
-<span class="sourceLineNo">108</span>    String plugins = conf.get(HConstants.HBASE_MASTER_LOGCLEANER_PLUGINS);<a name="line.108"></a>
-<span class="sourceLineNo">109</span>    String cleanerClass = BackupLogCleaner.class.getCanonicalName();<a name="line.109"></a>
-<span class="sourceLineNo">110</span>    if (!plugins.contains(cleanerClass)) {<a name="line.110"></a>
-<span class="sourceLineNo">111</span>      conf.set(HConstants.HBASE_MASTER_LOGCLEANER_PLUGINS, plugins + "," + cleanerClass);<a name="line.111"></a>
-<span class="sourceLineNo">112</span>    }<a name="line.112"></a>
-<span class="sourceLineNo">113</span><a name="line.113"></a>
-<span class="sourceLineNo">114</span>    String classes = conf.get(ProcedureManagerHost.MASTER_PROCEDURE_CONF_KEY);<a name="line.114"></a>
-<span class="sourceLineNo">115</span>    String masterProcedureClass = LogRollMasterProcedureManager.class.getName();<a name="line.115"></a>
-<span class="sourceLineNo">116</span>    if (classes == null) {<a name="line.116"></a>
-<span class="sourceLineNo">117</span>      conf.set(ProcedureManagerHost.MASTER_PROCEDURE_CONF_KEY, masterProcedureClass);<a name="line.117"></a>
-<span class="sourceLineNo">118</span>    } else if (!classes.contains(masterProcedureClass)) {<a name="line.118"></a>
-<span class="sourceLineNo">119</span>      conf.set(ProcedureManagerHost.MASTER_PROCEDURE_CONF_KEY,<a name="line.119"></a>
-<span class="sourceLineNo">120</span>        classes + "," + masterProcedureClass);<a name="line.120"></a>
-<span class="sourceLineNo">121</span>    }<a name="line.121"></a>
-<span class="sourceLineNo">122</span><a name="line.122"></a>
-<span class="sourceLineNo">123</span>    if (LOG.isDebugEnabled()) {<a name="line.123"></a>
-<span class="sourceLineNo">124</span>      LOG.debug("Added log cleaner: " + cleanerClass + "\n" + "Added master procedure manager: "<a name="line.124"></a>
-<span class="sourceLineNo">125</span>          + masterProcedureClass);<a name="line.125"></a>
-<span class="sourceLineNo">126</span>    }<a name="line.126"></a>
-<span class="sourceLineNo">127</span>  }<a name="line.127"></a>
-<span class="sourceLineNo">128</span><a name="line.128"></a>
-<span class="sourceLineNo">129</span>  /**<a name="line.129"></a>
-<span class="sourceLineNo">130</span>   * This method modifies the Region Server configuration in order to inject backup-related features<a name="line.130"></a>
-<span class="sourceLineNo">131</span>   * TESTs only.<a name="line.131"></a>
-<span class="sourceLineNo">132</span>   * @param conf configuration<a name="line.132"></a>
-<span class="sourceLineNo">133</span>   */<a name="line.133"></a>
-<span class="sourceLineNo">134</span>  @VisibleForTesting<a name="line.134"></a>
-<span class="sourceLineNo">135</span>  public static void decorateRegionServerConfiguration(Configuration conf) {<a name="line.135"></a>
-<span class="sourceLineNo">136</span>    if (!isBackupEnabled(conf)) {<a name="line.136"></a>
-<span class="sourceLineNo">137</span>      return;<a name="line.137"></a>
-<span class="sourceLineNo">138</span>    }<a name="line.138"></a>
-<span class="sourceLineNo">139</span><a name="line.139"></a>
-<span class="sourceLineNo">140</span>    String classes = conf.get(ProcedureManagerHost.REGIONSERVER_PROCEDURE_CONF_KEY);<a name="line.140"></a>
-<span class="sourceLineNo">141</span>    String regionProcedureClass = LogRollRegionServerProcedureManager.class.getName();<a name="line.141"></a>
-<span class="sourceLineNo">142</span>    if (classes == null) {<a name="line.142"></a>
-<span class="sourceLineNo">143</span>      conf.set(ProcedureManagerHost.REGIONSERVER_PROCEDURE_CONF_KEY, regionProcedureClass);<a name="line.143"></a>
-<span class="sourceLineNo">144</span>    } else if (!classes.contains(regionProcedureClass)) {<a name="line.144"></a>
-<span class="sourceLineNo">145</span>      conf.set(ProcedureManagerHost.REGIONSERVER_PROCEDURE_CONF_KEY,<a name="line.145"></a>
-<span class="sourceLineNo">146</span>        classes + "," + regionProcedureClass);<a name="line.146"></a>
-<span class="sourceLineNo">147</span>    }<a name="line.147"></a>
-<span class="sourceLineNo">148</span>    String coproc = conf.get(CoprocessorHost.REGION_COPROCESSOR_CONF_KEY);<a name="line.148"></a>
-<span class="sourceLineNo">149</span>    String regionObserverClass = BackupObserver.class.getName();<a name="line.149"></a>
-<span class="sourceLineNo">150</span>    conf.set(CoprocessorHost.REGION_COPROCESSOR_CONF_KEY,<a name="line.150"></a>
-<span class="sourceLineNo">151</span>      (coproc == null ? "" : coproc + ",") + regionObserverClass);<a name="line.151"></a>
-<span class="sourceLineNo">152</span>    if (LOG.isDebugEnabled()) {<a name="line.152"></a>
-<span class="sourceLineNo">153</span>      LOG.debug("Added region procedure manager: " + regionProcedureClass<a name="line.153"></a>
-<span class="sourceLineNo">154</span>        + ". Added region observer: " + regionObserverClass);<a name="line.154"></a>
-<span class="sourceLineNo">155</span>    }<a name="line.155"></a>
-<span class="sourceLineNo">156</span>  }<a name="line.156"></a>
-<span class="sourceLineNo">157</span><a name="line.157"></a>
-<span class="sourceLineNo">158</span>  public static boolean isBackupEnabled(Configuration conf) {<a name="line.158"></a>
-<span class="sourceLineNo">159</span>    return conf.getBoolean(BackupRestoreConstants.BACKUP_ENABLE_KEY,<a name="line.159"></a>
-<span class="sourceLineNo">160</span>      BackupRestoreConstants.BACKUP_ENABLE_DEFAULT);<a name="line.160"></a>
-<span class="sourceLineNo">161</span>  }<a name="line.161"></a>
-<span class="sourceLineNo">162</span><a name="line.162"></a>
-<span class="sourceLineNo">163</span>  /**<a name="line.163"></a>
-<span class="sourceLineNo">164</span>   * Get configuration<a name="line.164"></a>
-<span class="sourceLineNo">165</span>   * @return configuration<a name="line.165"></a>
-<span class="sourceLineNo">166</span>   */<a name="line.166"></a>
-<span class="sourceLineNo">167</span>  Configuration getConf() {<a name="line.167"></a>
-<span class="sourceLineNo">168</span>    return conf;<a name="line.168"></a>
-<span class="sourceLineNo">169</span>  }<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>   * Stop all the work of backup.<a name="line.172"></a>
-<span class="sourceLineNo">173</span>   */<a name="line.173"></a>
-<span class="sourceLineNo">174</span>  @Override<a name="line.174"></a>
-<span class="sourceLineNo">175</span>  public void close() {<a name="line.175"></a>
-<span class="sourceLineNo">176</span>    if (systemTable != null) {<a name="line.176"></a>
-<span class="sourceLineNo">177</span>      try {<a name="line.177"></a>
-<span class="sourceLineNo">178</span>        systemTable.close();<a name="line.178"></a>
-<span class="sourceLineNo">179</span>      } catch (Exception e) {<a name="line.179"></a>
-<span class="sourceLineNo">180</span>        LOG.error(e.toString(), 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><a name="line.184"></a>
-<span class="sourceLineNo">185</span>  /**<a name="line.185"></a>
-<span class="sourceLineNo">186</span>   * Creates a backup info based on input backup request.<a name="line.186"></a>
-<span class="sourceLineNo">187</span>   * @param backupId backup id<a name="line.187"></a>
-<span class="sourceLineNo">188</span>   * @param type type<a name="line.188"></a>
-<span class="sourceLineNo">189</span>   * @param tableList table list<a name="line.189"></a>
-<span class="sourceLineNo">190</span>   * @param targetRootDir root dir<a name="line.190"></a>
-<span class="sourceLineNo">191</span>   * @param workers number of parallel workers<a name="line.191"></a>
-<span class="sourceLineNo">192</span>   * @param bandwidth bandwidth per worker in MB per sec<a name="line.192"></a>
-<span class="sourceLineNo">193</span>   * @return BackupInfo<a name="line.193"></a>
-<span class="sourceLineNo">194</span>   * @throws BackupException exception<a name="line.194"></a>
-<span class="sourceLineNo">195</span>   */<a name="line.195"></a>
-<span class="sourceLineNo">196</span>  public BackupInfo createBackupInfo(String backupId, BackupType type, List&lt;TableName&gt; tableList,<a name="line.196"></a>
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-<span class="sourceLineNo">199</span>      throw new BackupException("Wrong backup request parameter: target backup root directory");<a name="line.199"></a>
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-<span class="sourceLineNo">201</span><a name="line.201"></a>
-<span class="sourceLineNo">202</span>    if (type == BackupType.FULL &amp;&amp; (tableList == null || tableList.isEmpty())) {<a name="line.202"></a>
-<span class="sourceLineNo">203</span>      // If table list is null for full backup, which means backup all tables. Then fill the table<a name="line.203"></a>
-<span class="sourceLineNo">204</span>      // list with all user tables from meta. It no table available, throw the request exception.<a name="line.204"></a>
-<span class="sourceLineNo">205</span>      HTableDescriptor[] htds = null;<a name="line.205"></a>
-<span class="sourceLineNo">206</span>      try (Admin admin = conn.getAdmin()) {<a name="line.206"></a>
-<span class="sourceLineNo">207</span>        htds = admin.listTables();<a name="line.207"></a>
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-<span class="sourceLineNo">212</span>      if (htds == null) {<a name="line.212"></a>
-<span class="sourceLineNo">213</span>        throw new BackupException("No table exists for full backup of all tables.");<a name="line.213"></a>
-<span class="sourceLineNo">214</span>      } else {<a name="line.214"></a>
-<span class="sourceLineNo">215</span>        tableList = new ArrayList&lt;&gt;();<a name="line.215"></a>
-<span class="sourceLineNo">216</span>        for (HTableDescriptor hTableDescriptor : htds) {<a name="line.216"></a>
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-<span class="sourceLineNo">224</span><a name="line.224"></a>
-<span class="sourceLineNo">225</span>        LOG.info("Full backup all the tables available in the cluster: " + tableList);<a name="line.225"></a>
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-<span class="sourceLineNo">228</span><a name="line.228"></a>
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-<span class="sourceLineNo">237</span>  /**<a name="line.237"></a>
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-<span class="sourceLineNo">239</span>   * table. We need to consider to handle the case of orphan records in the future. Otherwise, all<a name="line.239"></a>
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-<span class="sourceLineNo">251</span><a name="line.251"></a>
-<span class="sourceLineNo">252</span>  /**<a name="line.252"></a>
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-<span class="sourceLineNo">258</span>    if (ongoingBackupId != null) {<a name="line.258"></a>
-<span class="sourceLineNo">259</span>      LOG.info("There is a ongoing backup " + ongoingBackupId<a name="line.259"></a>
-<span class="sourceLineNo">260</span>        + ". Can not launch new backup until no ongoing backup remains.");<a name="line.260"></a>
-<span class="sourceLineNo">261</span>      throw new BackupException("There is ongoing backup.");<a name="line.261"></a>
-<span class="sourceLineNo">262</span>    }<a name="line.262"></a>
-<span class="sourceLineNo">263</span>  }<a name="line.263"></a>
-<span class="sourceLineNo">264</span><a name="line.264"></a>
-<span class="sourceLineNo">265</span>  public void setBackupInfo(BackupInfo backupInfo) {<a name="line.265"></a>
-<span class="sourceLineNo">266</span>    this.backupInfo = backupInfo;<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>   * Get direct ancestors of the current backup.<a name="line.270"></a>
-<span class="sourceLineNo">271</span>   * @param backupInfo The backup info for the current backup<a name="line.271"></a>
-<span class="sourceLineNo">272</span>   * @return The ancestors for the current backup<a name="line.272"></a>
-<span class="sourceLineNo">273</span>   * @throws IOException exception<a name="line.273"></a>
-<span class="sourceLineNo">274</span>   */<a name="line.274"></a>
-<span class="sourceLineNo">275</span>  public ArrayList&lt;BackupImage&gt; getAncestors(BackupInfo backupInfo) throws IOException {<a name="line.275"></a>
-<span class="sourceLineNo">276</span>    LOG.debug("Getting the direct ancestors of the current backup " + backupInfo.getBackupId());<a name="line.276"></a>
-<span class="sourceLineNo">277</span><a name="line.277"></a>
-<span class="sourceLineNo">278</span>    ArrayList&lt;BackupImage&gt; ancestors = new ArrayList&lt;&gt;();<a name="line.278"></a>
-<span class="sourceLineNo">279</span><a name="line.279"></a>
-<span class="sourceLineNo">280</span>    // full backup does not have ancestor<a name="line.280"></a>
-<span class="sourceLineNo">281</span>    if (backupInfo.getType() == BackupType.FULL) {<a name="line.281"></a>
-<span class="sourceLineNo">282</span>      LOG.debug("Current backup is a full backup, no direct ancestor for it.");<a name="line.282"></a>
-<span class="sourceLineNo">283</span>      return ancestors;<a name="line.283"></a>
-<span class="sourceLineNo">284</span>    }<a name="line.284"></a>
+<span class="sourceLineNo">035</span>import org.apache.hadoop.hbase.backup.BackupHFileCleaner;<a name="line.35"></a>
+<span class="sourceLineNo">036</span>import org.apache.hadoop.hbase.backup.BackupInfo;<a name="line.36"></a>
+<span class="sourceLineNo">037</span>import org.apache.hadoop.hbase.backup.BackupInfo.BackupState;<a name="line.37"></a>
+<span class="sourceLineNo">038</span>import org.apache.hadoop.hbase.backup.BackupObserver;<a name="line.38"></a>
+<span class="sourceLineNo">039</span>import org.apache.hadoop.hbase.backup.BackupRestoreConstants;<a name="line.39"></a>
+<span class="sourceLineNo">040</span>import org.apache.hadoop.hbase.backup.BackupType;<a name="line.40"></a>
+<span class="sourceLineNo">041</span>import org.apache.hadoop.hbase.backup.HBackupFileSystem;<a name="line.41"></a>
+<span class="sourceLineNo">042</span>import org.apache.hadoop.hbase.backup.impl.BackupManifest.BackupImage;<a name="line.42"></a>
+<span class="sourceLineNo">043</span>import org.apache.hadoop.hbase.backup.master.BackupLogCleaner;<a name="line.43"></a>
+<span class="sourceLineNo">044</span>import org.apache.hadoop.hbase.backup.master.LogRollMasterProcedureManager;<a name="line.44"></a>
+<span class="sourceLineNo">045</span>import org.apache.hadoop.hbase.backup.regionserver.LogRollRegionServerProcedureManager;<a name="line.45"></a>
+<span class="sourceLineNo">046</span>import org.apache.hadoop.hbase.client.Admin;<a name="line.46"></a>
+<span class="sourceLineNo">047</span>import org.apache.hadoop.hbase.client.Connection;<a name="line.47"></a>
+<span class="sourceLineNo">048</span>import org.apache.hadoop.hbase.coprocessor.CoprocessorHost;<a name="line.48"></a>
+<span class="sourceLineNo">049</span>import org.apache.hadoop.hbase.master.cleaner.HFileCleaner;<a name="line.49"></a>
+<span class="sourceLineNo">050</span>import org.apache.hadoop.hbase.procedure.ProcedureManagerHost;<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.hbase.thirdparty.com.google.common.annotations.VisibleForTesting;<a name="line.52"></a>
+<span class="sourceLineNo">053</span>import org.apache.yetus.audience.InterfaceAudience;<a name="line.53"></a>
+<span class="sourceLineNo">054</span>import org.slf4j.Logger;<a name="line.54"></a>
+<span class="sourceLineNo">055</span>import org.slf4j.LoggerFactory;<a name="line.55"></a>
+<span class="sourceLineNo">056</span><a name="line.56"></a>
+<span class="sourceLineNo">057</span>/**<a name="line.57"></a>
+<span class="sourceLineNo">058</span> * Handles backup requests, creates backup info records in backup system table to keep track of<a name="line.58"></a>
+<span class="sourceLineNo">059</span> * backup sessions, dispatches backup request.<a name="line.59"></a>
+<span class="sourceLineNo">060</span> */<a name="line.60"></a>
+<span class="sourceLineNo">061</span>@InterfaceAudience.Private<a name="line.61"></a>
+<span class="sourceLineNo">062</span>public class BackupManager implements Closeable {<a name="line.62"></a>
+<span class="sourceLineNo">063</span>  // in seconds<a name="line.63"></a>
+<span class="sourceLineNo">064</span>  public final static String BACKUP_EXCLUSIVE_OPERATION_TIMEOUT_SECONDS_KEY =<a name="line.64"></a>
+<span class="sourceLineNo">065</span>      "hbase.backup.exclusive.op.timeout.seconds";<a name="line.65"></a>
+<span class="sourceLineNo">066</span>  // In seconds<a name="line.66"></a>
+<span class="sourceLineNo">067</span>  private final static int DEFAULT_BACKUP_EXCLUSIVE_OPERATION_TIMEOUT = 3600;<a name="line.67"></a>
+<span class="sourceLineNo">068</span>  private static final Logger LOG = LoggerFactory.getLogger(BackupManager.class);<a name="line.68"></a>
+<span class="sourceLineNo">069</span><a name="line.69"></a>
+<span class="sourceLineNo">070</span>  protected Configuration conf = null;<a name="line.70"></a>
+<span class="sourceLineNo">071</span>  protected BackupInfo backupInfo = null;<a name="line.71"></a>
+<span class="sourceLineNo">072</span>  protected BackupSystemTable systemTable;<a name="line.72"></a>
+<span class="sourceLineNo">073</span>  protected final Connection conn;<a name="line.73"></a>
+<span class="sourceLineNo">074</span><a name="line.74"></a>
+<span class="sourceLineNo">075</span>  /**<a name="line.75"></a>
+<span class="sourceLineNo">076</span>   * Backup manager constructor.<a name="line.76"></a>
+<span class="sourceLineNo">077</span>   * @param conn connection<a name="line.77"></a>
+<span class="sourceLineNo">078</span>   * @param conf configuration<a name="line.78"></a>
+<span class="sourceLineNo">079</span>   * @throws IOException exception<a name="line.79"></a>
+<span class="sourceLineNo">080</span>   */<a name="line.80"></a>
+<span class="sourceLineNo">081</span>  public BackupManager(Connection conn, Configuration conf) throws IOException {<a name="line.81"></a>
+<span class="sourceLineNo">082</span>    if (!conf.getBoolean(BackupRestoreConstants.BACKUP_ENABLE_KEY,<a name="line.82"></a>
+<span class="sourceLineNo">083</span>      BackupRestoreConstants.BACKUP_ENABLE_DEFAULT)) {<a name="line.83"></a>
+<span class="sourceLineNo">084</span>      throw new BackupException("HBase backup is not enabled. Check your "<a name="line.84"></a>
+<span class="sourceLineNo">085</span>          + BackupRestoreConstants.BACKUP_ENABLE_KEY + " setting.");<a name="line.85"></a>
+<span class="sourceLineNo">086</span>    }<a name="line.86"></a>
+<span class="sourceLineNo">087</span>    this.conf = conf;<a name="line.87"></a>
+<span class="sourceLineNo">088</span>    this.conn = conn;<a name="line.88"></a>
+<span class="sourceLineNo">089</span>    this.systemTable = new BackupSystemTable(conn);<a name="line.89"></a>
+<span class="sourceLineNo">090</span>  }<a name="line.90"></a>
+<span class="sourceLineNo">091</span><a name="line.91"></a>
+<span class="sourceLineNo">092</span>  /**<a name="line.92"></a>
+<span class="sourceLineNo">093</span>   * Returns backup info<a name="line.93"></a>
+<span class="sourceLineNo">094</span>   */<a name="line.94"></a>
+<span class="sourceLineNo">095</span>  protected BackupInfo getBackupInfo() {<a name="line.95"></a>
+<span class="sourceLineNo">096</span>    return backupInfo;<a name="line.96"></a>
+<span class="sourceLineNo">097</span>  }<a name="line.97"></a>
+<span class="sourceLineNo">098</span><a name="line.98"></a>
+<span class="sourceLineNo">099</span>  /**<a name="line.99"></a>
+<span class="sourceLineNo">100</span>   * This method modifies the master's configuration in order to inject backup-related features<a name="line.100"></a>
+<span class="sourceLineNo">101</span>   * (TESTs only)<a name="line.101"></a>
+<span class="sourceLineNo">102</span>   * @param conf configuration<a name="line.102"></a>
+<span class="sourceLineNo">103</span>   */<a name="line.103"></a>
+<span class="sourceLineNo">104</span>  @VisibleForTesting<a name="line.104"></a>
+<span class="sourceLineNo">105</span>  public static void decorateMasterConfiguration(Configuration conf) {<a name="line.105"></a>
+<span class="sourceLineNo">106</span>    if (!isBackupEnabled(conf)) {<a name="line.106"></a>
+<span class="sourceLineNo">107</span>      return;<a name="line.107"></a>
+<span class="sourceLineNo">108</span>    }<a name="line.108"></a>
+<span class="sourceLineNo">109</span>    // Add WAL archive cleaner plug-in<a name="line.109"></a>
+<span class="sourceLineNo">110</span>    String plugins = conf.get(HConstants.HBASE_MASTER_LOGCLEANER_PLUGINS);<a name="line.110"></a>
+<span class="sourceLineNo">111</span>    String cleanerClass = BackupLogCleaner.class.getCanonicalName();<a name="line.111"></a>
+<span class="sourceLineNo">112</span>    if (!plugins.contains(cleanerClass)) {<a name="line.112"></a>
+<span class="sourceLineNo">113</span>      conf.set(HConstants.HBASE_MASTER_LOGCLEANER_PLUGINS, plugins + "," + cleanerClass);<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>    String classes = conf.get(ProcedureManagerHost.MASTER_PROCEDURE_CONF_KEY);<a name="line.116"></a>
+<span class="sourceLineNo">117</span>    String masterProcedureClass = LogRollMasterProcedureManager.class.getName();<a name="line.117"></a>
+<span class="sourceLineNo">118</span>    if (classes == null) {<a name="line.118"></a>
+<span class="sourceLineNo">119</span>      conf.set(ProcedureManagerHost.MASTER_PROCEDURE_CONF_KEY, masterProcedureClass);<a name="line.119"></a>
+<span class="sourceLineNo">120</span>    } else if (!classes.contains(masterProcedureClass)) {<a name="line.120"></a>
+<span class="sourceLineNo">121</span>      conf.set(ProcedureManagerHost.MASTER_PROCEDURE_CONF_KEY,<a name="line.121"></a>
+<span class="sourceLineNo">122</span>        classes + "," + masterProcedureClass);<a name="line.122"></a>
+<span class="sourceLineNo">123</span>    }<a name="line.123"></a>
+<span class="sourceLineNo">124</span><a name="line.124"></a>
+<span class="sourceLineNo">125</span>    plugins = conf.get(HFileCleaner.MASTER_HFILE_CLEANER_PLUGINS);<a name="line.125"></a>
+<span class="sourceLineNo">126</span>    conf.set(HFileCleaner.MASTER_HFILE_CLEANER_PLUGINS, (plugins == null ? "" : plugins + ",") +<a name="line.126"></a>
+<span class="sourceLineNo">127</span>      BackupHFileCleaner.class.getName());<a name="line.127"></a>
+<span class="sourceLineNo">128</span>    if (LOG.isDebugEnabled()) {<a name="line.128"></a>
+<span class="sourceLineNo">129</span>      LOG.debug("Added log cleaner: {}. Added master procedure manager: {}."<a name="line.129"></a>
+<span class="sourceLineNo">130</span>        +"Added master procedure manager: {}", cleanerClass, masterProcedureClass,<a name="line.130"></a>
+<span class="sourceLineNo">131</span>        BackupHFileCleaner.class.getName());<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>  /**<a name="line.135"></a>
+<span class="sourceLineNo">136</span>   * This method modifies the Region Server configuration in order to inject backup-related features<a name="line.136"></a>
+<span class="sourceLineNo">137</span>   * TESTs only.<a name="line.137"></a>
+<span class="sourceLineNo">138</span>   * @param conf configuration<a name="line.138"></a>
+<span class="sourceLineNo">139</span>   */<a name="line.139"></a>
+<span class="sourceLineNo">140</span>  @VisibleForTesting<a name="line.140"></a>
+<span class="sourceLineNo">141</span>  public static void decorateRegionServerConfiguration(Configuration conf) {<a name="line.141"></a>
+<span class="sourceLineNo">142</span>    if (!isBackupEnabled(conf)) {<a name="line.142"></a>
+<span class="sourceLineNo">143</span>      return;<a name="line.143"></a>
+<span class="sourceLineNo">144</span>    }<a name="line.144"></a>
+<span class="sourceLineNo">145</span><a name="line.145"></a>
+<span class="sourceLineNo">146</span>    String classes = conf.get(ProcedureManagerHost.REGIONSERVER_PROCEDURE_CONF_KEY);<a name="line.146"></a>
+<span class="sourceLineNo">147</span>    String regionProcedureClass = LogRollRegionServerProcedureManager.class.getName();<a name="line.147"></a>
+<span class="sourceLineNo">148</span>    if (classes == null) {<a name="line.148"></a>
+<span class="sourceLineNo">149</span>      conf.set(ProcedureManagerHost.REGIONSERVER_PROCEDURE_CONF_KEY, regionProcedureClass);<a name="line.149"></a>
+<span class="sourceLineNo">150</span>    } else if (!classes.contains(regionProcedureClass)) {<a name="line.150"></a>
+<span class="sourceLineNo">151</span>      conf.set(ProcedureManagerHost.REGIONSERVER_PROCEDURE_CONF_KEY,<a name="line.151"></a>
+<span class="sourceLineNo">152</span>        classes + "," + regionProcedureClass);<a name="line.152"></a>
+<span class="sourceLineNo">153</span>    }<a name="line.153"></a>
+<span class="sourceLineNo">154</span>    String coproc = conf.get(CoprocessorHost.REGION_COPROCESSOR_CONF_KEY);<a name="line.154"></a>
+<span class="sourceLineNo">155</span>    String regionObserverClass = BackupObserver.class.getName();<a name="line.155"></a>
+<span class="sourceLineNo">156</span>    conf.set(CoprocessorHost.REGION_COPROCESSOR_CONF_KEY,<a name="line.156"></a>
+<span class="sourceLineNo">157</span>      (coproc == null ? "" : coproc + ",") + regionObserverClass);<a name="line.157"></a>
+<span class="sourceLineNo">158</span>    if (LOG.isDebugEnabled()) {<a name="line.158"></a>
+<span class="sourceLineNo">159</span>      LOG.debug("Added region procedure manager: {}. Added region observer: {}",<a name="line.159"></a>
+<span class="sourceLineNo">160</span>        regionProcedureClass, regionObserverClass);<a name="line.160"></a>
+<span class="sourceLineNo">161</span>    }<a name="line.161"></a>
+<span class="sourceLineNo">162</span>  }<a name="line.162"></a>
+<span class="sourceLineNo">163</span><a name="line.163"></a>
+<span class="sourceLineNo">164</span>  public static boolean isBackupEnabled(Configuration conf) {<a name="line.164"></a>
+<span class="sourceLineNo">165</span>    return conf.getBoolean(BackupRestoreConstants.BACKUP_ENABLE_KEY,<a name="line.165"></a>
+<span class="sourceLineNo">166</span>      BackupRestoreConstants.BACKUP_ENABLE_DEFAULT);<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>  /**<a name="line.169"></a>
+<span class="sourceLineNo">170</span>   * Get configuration<a name="line.170"></a>
+<span class="sourceLineNo">171</span>   * @return configuration<a name="line.171"></a>
+<span class="sourceLineNo">172</span>   */<a name="line.172"></a>
+<span class="sourceLineNo">173</span>  Configuration getConf() {<a name="line.173"></a>
+<span class="sourceLineNo">174</span>    return conf;<a name="line.174"></a>
+<span class="sourceLineNo">175</span>  }<a name="line.175"></a>
+<span class="sourceLineNo">176</span><a name="line.176"></a>
+<span class="sourceLineNo">177</span>  /**<a name="line.177"></a>
+<span class="sourceLineNo">178</span>   * Stop all the work of backup.<a name="line.178"></a>
+<span class="sourceLineNo">179</span>   */<a name="line.179"></a>
+<span class="sourceLineNo">180</span>  @Override<a name="line.180"></a>
+<span class="sourceLineNo">181</span>  public void close() {<a name="line.181"></a>
+<span class="sourceLineNo">182</span>    if (systemTable != null) {<a name="line.182"></a>
+<span class="sourceLineNo">183</span>      try {<a name="line.183"></a>
+<span class="sourceLineNo">184</span>        systemTable.close();<a name="line.184"></a>
+<span class="sourceLineNo">185</span>      } catch (Exception e) {<a name="line.185"></a>
+<span class="sourceLineNo">186</span>        LOG.error(e.toString(), e);<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>  }<a name="line.189"></a>
+<span class="sourceLineNo">190</span><a name="line.190"></a>
+<span class="sourceLineNo">191</span>  /**<a name="line.191"></a>
+<span class="sourceLineNo">192</span>   * Creates a backup info based on input backup request.<a name="line.192"></a>
+<span class="sourceLineNo">193</span>   * @param backupId backup id<a name="line.193"></a>
+<span class="sourceLineNo">194</span>   * @param type type<a name="line.194"></a>
+<span class="sourceLineNo">195</span>   * @param tableList table list<a name="line.195"></a>
+<span class="sourceLineNo">196</span>   * @param targetRootDir root dir<a name="line.196"></a>
+<span class="sourceLineNo">197</span>   * @param workers number of parallel workers<a name="line.197"></a>
+<span class="sourceLineNo">198</span>   * @param bandwidth bandwidth per worker in MB per sec<a name="line.198"></a>
+<span class="sourceLineNo">199</span>   * @return BackupInfo<a name="line.199"></a>
+<span class="sourceLineNo">200</span>   * @throws BackupException exception<a name="line.200"></a>
+<span class="sourceLineNo">201</span>   */<a name="line.201"></a>
+<span class="sourceLineNo">202</span>  public BackupInfo createBackupInfo(String backupId, BackupType type, List&lt;TableName&gt; tableList,<a name="line.202"></a>
+<span class="sourceLineNo">203</span>      String targetRootDir, int workers, long bandwidth) throws BackupException {<a name="line.203"></a>
+<span class="sourceLineNo">204</span>    if (targetRootDir == null) {<a name="line.204"></a>
+<span class="sourceLineNo">205</span>      throw new BackupException("Wrong backup request parameter: target backup root directory");<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>    if (type == BackupType.FULL &amp;&amp; (tableList == null || tableList.isEmpty())) {<a name="line.208"></a>
+<span class="sourceLineNo">209</span>      // If table list is null for full backup, which means backup all tables. Then fill the table<a name="line.209"></a>
+<span class="sourceLineNo">210</span>      // list with all user tables from meta. It no table available, throw the request exception.<a name="line.210"></a>
+<span class="sourceLineNo">211</span>      HTableDescriptor[] htds = null;<a name="line.211"></a>
+<span class="sourceLineNo">212</span>      try (Admin admin = conn.getAdmin()) {<a name="line.212"></a>
+<span class="sourceLineNo">213</span>        htds = admin.listTables();<a name="line.213"></a>
+<span class="sourceLineNo">214</span>      } catch (Exception e) {<a name="line.214"></a>
+<span class="sourceLineNo">215</span>        throw new BackupException(e);<a name="line.215"></a>
+<span class="sourceLineNo">216</span>      }<a name="line.216"></a>
+<span class="sourceLineNo">217</span><a name="line.217"></a>
+<span class="sourceLineNo">218</span>      if (htds == null) {<a name="line.218"></a>
+<span class="sourceLineNo">219</span>        throw new BackupException("No table exists for full backup of all tables.");<a name="line.219"></a>
+<span class="sourceLineNo">220</span>      } else {<a name="line.220"></a>
+<span class="sourceLineNo">221</span>        tableList = new ArrayList&lt;&gt;();<a name="line.221"></a>
+<span class="sourceLineNo">222</span>        for (HTableDescriptor hTableDescriptor : htds) {<a name="line.222"></a>
+<span class="sourceLineNo">223</span>          TableName tn = hTableDescriptor.getTableName();<a name="line.223"></a>
+<span class="sourceLineNo">224</span>          if (tn.equals(BackupSystemTable.getTableName(conf))) {<a name="line.224"></a>
+<span class="sourceLineNo">225</span>            // skip backup system table<a name="line.225"></a>
+<span class="sourceLineNo">226</span>            continue;<a name="line.226"></a>
+<span class="sourceLineNo">227</span>          }<a name="line.227"></a>
+<span class="sourceLineNo">228</span>          tableList.add(hTableDescriptor.getTableName());<a name="line.228"></a>
+<span class="sourceLineNo">229</span>        }<a name="line.229"></a>
+<span class="sourceLineNo">230</span><a name="line.230"></a>
+<span class="sourceLineNo">231</span>        LOG.info("Full backup all the tables available in the cluster: {}", tableList);<a name="line.231"></a>
+<span class="sourceLineNo">232</span>      }<a name="line.232"></a>
+<span class="sourceLineNo">233</span>    }<a name="line.233"></a>
+<span class="sourceLineNo">234</span><a name="line.234"></a>
+<span class="sourceLineNo">235</span>    // there are one or more tables in the table list<a name="line.235"></a>
+<span class="sourceLineNo">236</span>    backupInfo = new BackupInfo(backupId, type, tableList.toArray(new TableName[tableList.size()]),<a name="line.236"></a>
+<span class="sourceLineNo">237</span>      targetRootDir);<a name="line.237"></a>
+<span class="sourceLineNo">238</span>    backupInfo.setBandwidth(bandwidth);<a name="line.238"></a>
+<span class="sourceLineNo">239</span>    backupInfo.setWorkers(workers);<a name="line.239"></a>
+<span class="sourceLineNo">240</span>    return backupInfo;<a name="line.240"></a>
+<span class="sourceLineNo">241</span>  }<a name="line.241"></a>
+<span class="sourceLineNo">242</span><a name="line.242"></a>
+<span class="sourceLineNo">243</span>  /**<a name="line.243"></a>
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+<span class="sourceLineNo">332</span>                "BackupDir={}}", lastIncrImage.getBackupId(), lastIncrImage.getRootDir());<a name="line.332"></a>
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