http://git-wip-us.apache.org/repos/asf/hbase-site/blob/705d69c4/devapidocs/src-html/org/apache/hadoop/hbase/snapshot/SnapshotDescriptionUtils.html
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diff --git
a/devapidocs/src-html/org/apache/hadoop/hbase/snapshot/SnapshotDescriptionUtils.html
b/devapidocs/src-html/org/apache/hadoop/hbase/snapshot/SnapshotDescriptionUtils.html
index 7462d5b..63a00a7 100644
---
a/devapidocs/src-html/org/apache/hadoop/hbase/snapshot/SnapshotDescriptionUtils.html
+++
b/devapidocs/src-html/org/apache/hadoop/hbase/snapshot/SnapshotDescriptionUtils.html
@@ -122,294 +122,339 @@
<span class="sourceLineNo">114</span> /** Temporary directory under the
snapshot directory to store in-progress snapshots */<a name="line.114"></a>
<span class="sourceLineNo">115</span> public static final String
SNAPSHOT_TMP_DIR_NAME = ".tmp";<a name="line.115"></a>
<span class="sourceLineNo">116</span><a name="line.116"></a>
-<span class="sourceLineNo">117</span> /** This tag will be created in
in-progess snapshots */<a name="line.117"></a>
-<span class="sourceLineNo">118</span> public static final String
SNAPSHOT_IN_PROGRESS = ".inprogress";<a name="line.118"></a>
-<span class="sourceLineNo">119</span> // snapshot operation values<a
name="line.119"></a>
-<span class="sourceLineNo">120</span> /** Default value if no start time is
specified */<a name="line.120"></a>
-<span class="sourceLineNo">121</span> public static final long
NO_SNAPSHOT_START_TIME_SPECIFIED = 0;<a name="line.121"></a>
+<span class="sourceLineNo">117</span> /**<a name="line.117"></a>
+<span class="sourceLineNo">118</span> * The configuration property that
determines the filepath of the snapshot<a name="line.118"></a>
+<span class="sourceLineNo">119</span> * base working directory<a
name="line.119"></a>
+<span class="sourceLineNo">120</span> */<a name="line.120"></a>
+<span class="sourceLineNo">121</span> public static final String
SNAPSHOT_WORKING_DIR = "hbase.snapshot.working.dir";<a name="line.121"></a>
<span class="sourceLineNo">122</span><a name="line.122"></a>
-<span class="sourceLineNo">123</span><a name="line.123"></a>
-<span class="sourceLineNo">124</span> public static final String
MASTER_SNAPSHOT_TIMEOUT_MILLIS = "hbase.snapshot.master.timeout.millis";<a
name="line.124"></a>
-<span class="sourceLineNo">125</span><a name="line.125"></a>
-<span class="sourceLineNo">126</span> /** By default, wait 300 seconds for a
snapshot to complete */<a name="line.126"></a>
-<span class="sourceLineNo">127</span> public static final long
DEFAULT_MAX_WAIT_TIME = 60000 * 5 ;<a name="line.127"></a>
+<span class="sourceLineNo">123</span> /** This tag will be created in
in-progess snapshots */<a name="line.123"></a>
+<span class="sourceLineNo">124</span> public static final String
SNAPSHOT_IN_PROGRESS = ".inprogress";<a name="line.124"></a>
+<span class="sourceLineNo">125</span> // snapshot operation values<a
name="line.125"></a>
+<span class="sourceLineNo">126</span> /** Default value if no start time is
specified */<a name="line.126"></a>
+<span class="sourceLineNo">127</span> public static final long
NO_SNAPSHOT_START_TIME_SPECIFIED = 0;<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> /**<a name="line.130"></a>
-<span class="sourceLineNo">131</span> * By default, check to see if the
snapshot is complete (ms)<a name="line.131"></a>
-<span class="sourceLineNo">132</span> * @deprecated Use {@link
#DEFAULT_MAX_WAIT_TIME} instead.<a name="line.132"></a>
-<span class="sourceLineNo">133</span> * */<a name="line.133"></a>
-<span class="sourceLineNo">134</span> @Deprecated<a name="line.134"></a>
-<span class="sourceLineNo">135</span> public static final int
SNAPSHOT_TIMEOUT_MILLIS_DEFAULT = 60000 * 5;<a name="line.135"></a>
-<span class="sourceLineNo">136</span><a name="line.136"></a>
-<span class="sourceLineNo">137</span> /**<a name="line.137"></a>
-<span class="sourceLineNo">138</span> * Conf key for # of ms elapsed before
injecting a snapshot timeout error when waiting for<a name="line.138"></a>
-<span class="sourceLineNo">139</span> * completion.<a name="line.139"></a>
-<span class="sourceLineNo">140</span> * @deprecated Use {@link
#MASTER_SNAPSHOT_TIMEOUT_MILLIS} instead.<a name="line.140"></a>
-<span class="sourceLineNo">141</span> */<a name="line.141"></a>
-<span class="sourceLineNo">142</span> @Deprecated<a name="line.142"></a>
-<span class="sourceLineNo">143</span> public static final String
SNAPSHOT_TIMEOUT_MILLIS_KEY = "hbase.snapshot.master.timeoutMillis";<a
name="line.143"></a>
-<span class="sourceLineNo">144</span><a name="line.144"></a>
-<span class="sourceLineNo">145</span> private SnapshotDescriptionUtils() {<a
name="line.145"></a>
-<span class="sourceLineNo">146</span> // private constructor for utility
class<a name="line.146"></a>
-<span class="sourceLineNo">147</span> }<a name="line.147"></a>
-<span class="sourceLineNo">148</span><a name="line.148"></a>
-<span class="sourceLineNo">149</span> /**<a name="line.149"></a>
-<span class="sourceLineNo">150</span> * @param conf {@link Configuration}
from which to check for the timeout<a name="line.150"></a>
-<span class="sourceLineNo">151</span> * @param type type of snapshot being
taken<a name="line.151"></a>
-<span class="sourceLineNo">152</span> * @param defaultMaxWaitTime Default
amount of time to wait, if none is in the configuration<a name="line.152"></a>
-<span class="sourceLineNo">153</span> * @return the max amount of time the
master should wait for a snapshot to complete<a name="line.153"></a>
-<span class="sourceLineNo">154</span> */<a name="line.154"></a>
-<span class="sourceLineNo">155</span> public static long
getMaxMasterTimeout(Configuration conf, SnapshotDescription.Type type,<a
name="line.155"></a>
-<span class="sourceLineNo">156</span> long defaultMaxWaitTime) {<a
name="line.156"></a>
-<span class="sourceLineNo">157</span> String confKey;<a name="line.157"></a>
-<span class="sourceLineNo">158</span> switch (type) {<a name="line.158"></a>
-<span class="sourceLineNo">159</span> case DISABLED:<a name="line.159"></a>
-<span class="sourceLineNo">160</span> default:<a name="line.160"></a>
-<span class="sourceLineNo">161</span> confKey =
MASTER_SNAPSHOT_TIMEOUT_MILLIS;<a name="line.161"></a>
-<span class="sourceLineNo">162</span> }<a name="line.162"></a>
-<span class="sourceLineNo">163</span> return Math.max(conf.getLong(confKey,
defaultMaxWaitTime),<a name="line.163"></a>
-<span class="sourceLineNo">164</span>
conf.getLong(SNAPSHOT_TIMEOUT_MILLIS_KEY, defaultMaxWaitTime));<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> * Get the snapshot root directory. All
the snapshots are kept under this directory, i.e.<a name="line.168"></a>
-<span class="sourceLineNo">169</span> * ${hbase.rootdir}/.snapshot<a
name="line.169"></a>
-<span class="sourceLineNo">170</span> * @param rootDir hbase root
directory<a name="line.170"></a>
-<span class="sourceLineNo">171</span> * @return the base directory in which
all snapshots are kept<a name="line.171"></a>
-<span class="sourceLineNo">172</span> */<a name="line.172"></a>
-<span class="sourceLineNo">173</span> public static Path
getSnapshotRootDir(final Path rootDir) {<a name="line.173"></a>
-<span class="sourceLineNo">174</span> return new Path(rootDir,
HConstants.SNAPSHOT_DIR_NAME);<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> * Get the directory for a specified
snapshot. This directory is a sub-directory of snapshot root<a
name="line.178"></a>
-<span class="sourceLineNo">179</span> * directory and all the data files for
a snapshot are kept under this directory.<a name="line.179"></a>
-<span class="sourceLineNo">180</span> * @param snapshot snapshot being
taken<a name="line.180"></a>
-<span class="sourceLineNo">181</span> * @param rootDir hbase root
directory<a name="line.181"></a>
-<span class="sourceLineNo">182</span> * @return the final directory for the
completed snapshot<a name="line.182"></a>
-<span class="sourceLineNo">183</span> */<a name="line.183"></a>
-<span class="sourceLineNo">184</span> public static Path
getCompletedSnapshotDir(final SnapshotDescription snapshot, final Path rootDir)
{<a name="line.184"></a>
-<span class="sourceLineNo">185</span> return
getCompletedSnapshotDir(snapshot.getName(), rootDir);<a name="line.185"></a>
-<span class="sourceLineNo">186</span> }<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> * Get the directory for a completed
snapshot. This directory is a sub-directory of snapshot root<a
name="line.189"></a>
-<span class="sourceLineNo">190</span> * directory and all the data files for
a snapshot are kept under this directory.<a name="line.190"></a>
-<span class="sourceLineNo">191</span> * @param snapshotName name of the
snapshot being taken<a name="line.191"></a>
-<span class="sourceLineNo">192</span> * @param rootDir hbase root
directory<a name="line.192"></a>
-<span class="sourceLineNo">193</span> * @return the final directory for the
completed snapshot<a name="line.193"></a>
-<span class="sourceLineNo">194</span> */<a name="line.194"></a>
-<span class="sourceLineNo">195</span> public static Path
getCompletedSnapshotDir(final String snapshotName, final Path rootDir) {<a
name="line.195"></a>
-<span class="sourceLineNo">196</span> return
getCompletedSnapshotDir(getSnapshotsDir(rootDir), snapshotName);<a
name="line.196"></a>
-<span class="sourceLineNo">197</span> }<a name="line.197"></a>
-<span class="sourceLineNo">198</span><a name="line.198"></a>
-<span class="sourceLineNo">199</span> /**<a name="line.199"></a>
-<span class="sourceLineNo">200</span> * Get the general working directory
for snapshots - where they are built, where they are<a name="line.200"></a>
-<span class="sourceLineNo">201</span> * temporarily copied on export, etc.<a
name="line.201"></a>
-<span class="sourceLineNo">202</span> * @param rootDir root directory of the
HBase installation<a name="line.202"></a>
-<span class="sourceLineNo">203</span> * @return Path to the snapshot tmp
directory, relative to the passed root directory<a name="line.203"></a>
-<span class="sourceLineNo">204</span> */<a name="line.204"></a>
-<span class="sourceLineNo">205</span> public static Path
getWorkingSnapshotDir(final Path rootDir) {<a name="line.205"></a>
-<span class="sourceLineNo">206</span> return new
Path(getSnapshotsDir(rootDir), SNAPSHOT_TMP_DIR_NAME);<a name="line.206"></a>
-<span class="sourceLineNo">207</span> }<a name="line.207"></a>
-<span class="sourceLineNo">208</span><a name="line.208"></a>
-<span class="sourceLineNo">209</span> /**<a name="line.209"></a>
-<span class="sourceLineNo">210</span> * Get the directory to build a
snapshot, before it is finalized<a name="line.210"></a>
-<span class="sourceLineNo">211</span> * @param snapshot snapshot that will
be built<a name="line.211"></a>
-<span class="sourceLineNo">212</span> * @param rootDir root directory of the
hbase installation<a name="line.212"></a>
-<span class="sourceLineNo">213</span> * @return {@link Path} where one can
build a snapshot<a name="line.213"></a>
-<span class="sourceLineNo">214</span> */<a name="line.214"></a>
-<span class="sourceLineNo">215</span> public static Path
getWorkingSnapshotDir(SnapshotDescription snapshot, final Path rootDir) {<a
name="line.215"></a>
-<span class="sourceLineNo">216</span> return
getCompletedSnapshotDir(getWorkingSnapshotDir(rootDir), snapshot.getName());<a
name="line.216"></a>
-<span class="sourceLineNo">217</span> }<a name="line.217"></a>
-<span class="sourceLineNo">218</span><a name="line.218"></a>
-<span class="sourceLineNo">219</span> /**<a name="line.219"></a>
-<span class="sourceLineNo">220</span> * Get the directory to build a
snapshot, before it is finalized<a name="line.220"></a>
-<span class="sourceLineNo">221</span> * @param snapshotName name of the
snapshot<a name="line.221"></a>
-<span class="sourceLineNo">222</span> * @param rootDir root directory of the
hbase installation<a name="line.222"></a>
-<span class="sourceLineNo">223</span> * @return {@link Path} where one can
build a snapshot<a name="line.223"></a>
-<span class="sourceLineNo">224</span> */<a name="line.224"></a>
-<span class="sourceLineNo">225</span> public static Path
getWorkingSnapshotDir(String snapshotName, final Path rootDir) {<a
name="line.225"></a>
-<span class="sourceLineNo">226</span> return
getCompletedSnapshotDir(getWorkingSnapshotDir(rootDir), snapshotName);<a
name="line.226"></a>
+<span class="sourceLineNo">130</span> public static final String
MASTER_SNAPSHOT_TIMEOUT_MILLIS = "hbase.snapshot.master.timeout.millis";<a
name="line.130"></a>
+<span class="sourceLineNo">131</span><a name="line.131"></a>
+<span class="sourceLineNo">132</span> /** By default, wait 300 seconds for a
snapshot to complete */<a name="line.132"></a>
+<span class="sourceLineNo">133</span> public static final long
DEFAULT_MAX_WAIT_TIME = 60000 * 5 ;<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> /**<a name="line.136"></a>
+<span class="sourceLineNo">137</span> * By default, check to see if the
snapshot is complete (ms)<a name="line.137"></a>
+<span class="sourceLineNo">138</span> * @deprecated Use {@link
#DEFAULT_MAX_WAIT_TIME} instead.<a name="line.138"></a>
+<span class="sourceLineNo">139</span> * */<a name="line.139"></a>
+<span class="sourceLineNo">140</span> @Deprecated<a name="line.140"></a>
+<span class="sourceLineNo">141</span> public static final int
SNAPSHOT_TIMEOUT_MILLIS_DEFAULT = 60000 * 5;<a name="line.141"></a>
+<span class="sourceLineNo">142</span><a name="line.142"></a>
+<span class="sourceLineNo">143</span> /**<a name="line.143"></a>
+<span class="sourceLineNo">144</span> * Conf key for # of ms elapsed before
injecting a snapshot timeout error when waiting for<a name="line.144"></a>
+<span class="sourceLineNo">145</span> * completion.<a name="line.145"></a>
+<span class="sourceLineNo">146</span> * @deprecated Use {@link
#MASTER_SNAPSHOT_TIMEOUT_MILLIS} instead.<a name="line.146"></a>
+<span class="sourceLineNo">147</span> */<a name="line.147"></a>
+<span class="sourceLineNo">148</span> @Deprecated<a name="line.148"></a>
+<span class="sourceLineNo">149</span> public static final String
SNAPSHOT_TIMEOUT_MILLIS_KEY = "hbase.snapshot.master.timeoutMillis";<a
name="line.149"></a>
+<span class="sourceLineNo">150</span><a name="line.150"></a>
+<span class="sourceLineNo">151</span> private SnapshotDescriptionUtils() {<a
name="line.151"></a>
+<span class="sourceLineNo">152</span> // private constructor for utility
class<a name="line.152"></a>
+<span class="sourceLineNo">153</span> }<a name="line.153"></a>
+<span class="sourceLineNo">154</span><a name="line.154"></a>
+<span class="sourceLineNo">155</span> /**<a name="line.155"></a>
+<span class="sourceLineNo">156</span> * @param conf {@link Configuration}
from which to check for the timeout<a name="line.156"></a>
+<span class="sourceLineNo">157</span> * @param type type of snapshot being
taken<a name="line.157"></a>
+<span class="sourceLineNo">158</span> * @param defaultMaxWaitTime Default
amount of time to wait, if none is in the configuration<a name="line.158"></a>
+<span class="sourceLineNo">159</span> * @return the max amount of time the
master should wait for a snapshot to complete<a name="line.159"></a>
+<span class="sourceLineNo">160</span> */<a name="line.160"></a>
+<span class="sourceLineNo">161</span> public static long
getMaxMasterTimeout(Configuration conf, SnapshotDescription.Type type,<a
name="line.161"></a>
+<span class="sourceLineNo">162</span> long defaultMaxWaitTime) {<a
name="line.162"></a>
+<span class="sourceLineNo">163</span> String confKey;<a name="line.163"></a>
+<span class="sourceLineNo">164</span> switch (type) {<a name="line.164"></a>
+<span class="sourceLineNo">165</span> case DISABLED:<a name="line.165"></a>
+<span class="sourceLineNo">166</span> default:<a name="line.166"></a>
+<span class="sourceLineNo">167</span> confKey =
MASTER_SNAPSHOT_TIMEOUT_MILLIS;<a name="line.167"></a>
+<span class="sourceLineNo">168</span> }<a name="line.168"></a>
+<span class="sourceLineNo">169</span> return Math.max(conf.getLong(confKey,
defaultMaxWaitTime),<a name="line.169"></a>
+<span class="sourceLineNo">170</span>
conf.getLong(SNAPSHOT_TIMEOUT_MILLIS_KEY, defaultMaxWaitTime));<a
name="line.170"></a>
+<span class="sourceLineNo">171</span> }<a name="line.171"></a>
+<span class="sourceLineNo">172</span><a name="line.172"></a>
+<span class="sourceLineNo">173</span> /**<a name="line.173"></a>
+<span class="sourceLineNo">174</span> * Get the snapshot root directory. All
the snapshots are kept under this directory, i.e.<a name="line.174"></a>
+<span class="sourceLineNo">175</span> * ${hbase.rootdir}/.snapshot<a
name="line.175"></a>
+<span class="sourceLineNo">176</span> * @param rootDir hbase root
directory<a name="line.176"></a>
+<span class="sourceLineNo">177</span> * @return the base directory in which
all snapshots are kept<a name="line.177"></a>
+<span class="sourceLineNo">178</span> */<a name="line.178"></a>
+<span class="sourceLineNo">179</span> public static Path
getSnapshotRootDir(final Path rootDir) {<a name="line.179"></a>
+<span class="sourceLineNo">180</span> return new Path(rootDir,
HConstants.SNAPSHOT_DIR_NAME);<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> * Get the directory for a specified
snapshot. This directory is a sub-directory of snapshot root<a
name="line.184"></a>
+<span class="sourceLineNo">185</span> * directory and all the data files for
a snapshot are kept under this directory.<a name="line.185"></a>
+<span class="sourceLineNo">186</span> * @param snapshot snapshot being
taken<a name="line.186"></a>
+<span class="sourceLineNo">187</span> * @param rootDir hbase root
directory<a name="line.187"></a>
+<span class="sourceLineNo">188</span> * @return the final directory for the
completed snapshot<a name="line.188"></a>
+<span class="sourceLineNo">189</span> */<a name="line.189"></a>
+<span class="sourceLineNo">190</span> public static Path
getCompletedSnapshotDir(final SnapshotDescription snapshot, final Path rootDir)
{<a name="line.190"></a>
+<span class="sourceLineNo">191</span> return
getCompletedSnapshotDir(snapshot.getName(), rootDir);<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> /**<a name="line.194"></a>
+<span class="sourceLineNo">195</span> * Get the directory for a completed
snapshot. This directory is a sub-directory of snapshot root<a
name="line.195"></a>
+<span class="sourceLineNo">196</span> * directory and all the data files for
a snapshot are kept under this directory.<a name="line.196"></a>
+<span class="sourceLineNo">197</span> * @param snapshotName name of the
snapshot being taken<a name="line.197"></a>
+<span class="sourceLineNo">198</span> * @param rootDir hbase root
directory<a name="line.198"></a>
+<span class="sourceLineNo">199</span> * @return the final directory for the
completed snapshot<a name="line.199"></a>
+<span class="sourceLineNo">200</span> */<a name="line.200"></a>
+<span class="sourceLineNo">201</span> public static Path
getCompletedSnapshotDir(final String snapshotName, final Path rootDir) {<a
name="line.201"></a>
+<span class="sourceLineNo">202</span> return
getSpecifiedSnapshotDir(getSnapshotsDir(rootDir), snapshotName);<a
name="line.202"></a>
+<span class="sourceLineNo">203</span> }<a name="line.203"></a>
+<span class="sourceLineNo">204</span><a name="line.204"></a>
+<span class="sourceLineNo">205</span> /**<a name="line.205"></a>
+<span class="sourceLineNo">206</span> * Get the general working directory
for snapshots - where they are built, where they are<a name="line.206"></a>
+<span class="sourceLineNo">207</span> * temporarily copied on export, etc.<a
name="line.207"></a>
+<span class="sourceLineNo">208</span> * @param rootDir root directory of the
HBase installation<a name="line.208"></a>
+<span class="sourceLineNo">209</span> * @param conf Configuration of the
HBase instance<a name="line.209"></a>
+<span class="sourceLineNo">210</span> * @return Path to the snapshot tmp
directory, relative to the passed root directory<a name="line.210"></a>
+<span class="sourceLineNo">211</span> */<a name="line.211"></a>
+<span class="sourceLineNo">212</span> public static Path
getWorkingSnapshotDir(final Path rootDir, final Configuration conf) {<a
name="line.212"></a>
+<span class="sourceLineNo">213</span> return new
Path(conf.get(SNAPSHOT_WORKING_DIR,<a name="line.213"></a>
+<span class="sourceLineNo">214</span>
getDefaultWorkingSnapshotDir(rootDir).toString()));<a name="line.214"></a>
+<span class="sourceLineNo">215</span> }<a name="line.215"></a>
+<span class="sourceLineNo">216</span><a name="line.216"></a>
+<span class="sourceLineNo">217</span> /**<a name="line.217"></a>
+<span class="sourceLineNo">218</span> * Get the directory to build a
snapshot, before it is finalized<a name="line.218"></a>
+<span class="sourceLineNo">219</span> * @param snapshot snapshot that will
be built<a name="line.219"></a>
+<span class="sourceLineNo">220</span> * @param rootDir root directory of the
hbase installation<a name="line.220"></a>
+<span class="sourceLineNo">221</span> * @param conf Configuration of the
HBase instance<a name="line.221"></a>
+<span class="sourceLineNo">222</span> * @return {@link Path} where one can
build a snapshot<a name="line.222"></a>
+<span class="sourceLineNo">223</span> */<a name="line.223"></a>
+<span class="sourceLineNo">224</span> public static Path
getWorkingSnapshotDir(SnapshotDescription snapshot, final Path rootDir,<a
name="line.224"></a>
+<span class="sourceLineNo">225</span> Configuration conf) {<a
name="line.225"></a>
+<span class="sourceLineNo">226</span> return
getWorkingSnapshotDir(snapshot.getName(), rootDir, conf);<a name="line.226"></a>
<span class="sourceLineNo">227</span> }<a name="line.227"></a>
<span class="sourceLineNo">228</span><a name="line.228"></a>
<span class="sourceLineNo">229</span> /**<a name="line.229"></a>
-<span class="sourceLineNo">230</span> * Get the directory to store the
snapshot instance<a name="line.230"></a>
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directory for storing all snapshots<a name="line.231"></a>
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EnvironmentEdgeManager.currentTime() + ").");<a name="line.269"></a>
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name="line.279"></a>
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snapshot, before it is finalized<a name="line.230"></a>
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snapshot<a name="line.231"></a>
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hbase installation<a name="line.232"></a>
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HBase instance<a name="line.233"></a>
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build a snapshot<a name="line.234"></a>
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getWorkingSnapshotDir(String snapshotName, final Path rootDir,<a
name="line.236"></a>
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name="line.237"></a>
+<span class="sourceLineNo">238</span> return
getSpecifiedSnapshotDir(getWorkingSnapshotDir(rootDir, conf), snapshotName);<a
name="line.238"></a>
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+<span class="sourceLineNo">240</span><a name="line.240"></a>
+<span class="sourceLineNo">241</span> /**<a name="line.241"></a>
+<span class="sourceLineNo">242</span> * Get the directory within the given
filepath to store the snapshot instance<a name="line.242"></a>
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store snapshot directory within<a name="line.243"></a>
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snapshot to take<a name="line.244"></a>
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snapshot in the given filepath<a name="line.245"></a>
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getSpecifiedSnapshotDir(final Path snapshotsDir, String snapshotName) {<a
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snapshotName);<a name="line.248"></a>
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+<span class="sourceLineNo">251</span> /**<a name="line.251"></a>
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directory<a name="line.252"></a>
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completed snapshots;<a name="line.253"></a>
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getSnapshotsDir(Path rootDir) {<a name="line.255"></a>
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HConstants.SNAPSHOT_DIR_NAME);<a name="line.256"></a>
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+<span class="sourceLineNo">258</span><a name="line.258"></a>
+<span class="sourceLineNo">259</span> /**<a name="line.259"></a>
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is a subdirectory of the given "root directory"<a name="line.260"></a>
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check<a name="line.261"></a>
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HBase installation<a name="line.262"></a>
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is a subdirectory of the given root directory,<a name="line.263"></a>
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name="line.264"></a>
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isSubDirectoryOf(final Path workingDir, final Path rootDir) {<a
name="line.266"></a>
+<span class="sourceLineNo">267</span> return
workingDir.toString().startsWith(rootDir.toString() + Path.SEPARATOR);<a
name="line.267"></a>
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+<span class="sourceLineNo">270</span> /**<a name="line.270"></a>
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is a subdirectory of the default working snapshot directory<a
name="line.271"></a>
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check<a name="line.272"></a>
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HBase cluster<a name="line.273"></a>
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is a subdirectory of the default working directory for<a name="line.274"></a>
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name="line.275"></a>
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isWithinDefaultWorkingDir(final Path workingDir, Configuration conf) {<a
name="line.277"></a>
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getDefaultWorkingSnapshotDir(new Path(conf.get(HConstants.HBASE_DIR)));<a
name="line.278"></a>
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workingDir.equals(defaultWorkingDir) || isSubDirectoryOf(workingDir,
defaultWorkingDir);<a name="line.279"></a>
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<span class="sourceLineNo">281</span><a name="line.281"></a>
<span class="sourceLineNo">282</span> /**<a name="line.282"></a>
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writeSnapshotInfo(SnapshotDescription snapshot, Path workingDir, FileSystem
fs)<a name="line.290"></a>
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name="line.291"></a>
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FSUtils.getFilePermissions(fs, fs.getConf(),<a name="line.292"></a>
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name="line.293"></a>
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Path(workingDir, SnapshotDescriptionUtils.SNAPSHOTINFO_FILE);<a
name="line.294"></a>
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name="line.302"></a>
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name="line.306"></a>
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name="line.307"></a>
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FSUtils.getFilePermissions(fs, fs.getConf(),<a name="line.316"></a>
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name="line.317"></a>
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description<a name="line.326"></a>
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if the<a name="line.327"></a>
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name="line.334"></a>
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name="line.336"></a>
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name="line.342"></a>
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name="line.358"></a>
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SnapshotCreationException, IOException {<a name="line.359"></a>
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getCompletedSnapshotDir(snapshot, rootdir);<a name="line.360"></a>
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name="line.362"></a>
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finishedDir)) {<a name="line.363"></a>
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SnapshotCreationException(<a name="line.364"></a>
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directory(" + workingDir + ") to completed directory("<a name="line.365"></a>
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for snapshots - where they are built, where they are<a name="line.283"></a>
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HBase installation<a name="line.285"></a>
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+<span class="sourceLineNo">288</span> private static Path
getDefaultWorkingSnapshotDir(final Path rootDir) {<a name="line.288"></a>
+<span class="sourceLineNo">289</span> return new
Path(getSnapshotsDir(rootDir), SNAPSHOT_TMP_DIR_NAME);<a name="line.289"></a>
+<span class="sourceLineNo">290</span> }<a name="line.290"></a>
+<span class="sourceLineNo">291</span><a name="line.291"></a>
+<span class="sourceLineNo">292</span> /**<a name="line.292"></a>
+<span class="sourceLineNo">293</span> * Convert the passed snapshot
description into a 'full' snapshot description based on default<a
name="line.293"></a>
+<span class="sourceLineNo">294</span> * parameters, if none have been
supplied. This resolves any 'optional' parameters that aren't<a
name="line.294"></a>
+<span class="sourceLineNo">295</span> * supplied to their default values.<a
name="line.295"></a>
+<span class="sourceLineNo">296</span> * @param snapshot general snapshot
descriptor<a name="line.296"></a>
+<span class="sourceLineNo">297</span> * @param conf Configuration to read
configured snapshot defaults if snapshot is not complete<a name="line.297"></a>
+<span class="sourceLineNo">298</span> * @return a valid snapshot
description<a name="line.298"></a>
+<span class="sourceLineNo">299</span> * @throws IllegalArgumentException if
the {@link SnapshotDescription} is not a complete<a name="line.299"></a>
+<span class="sourceLineNo">300</span> * {@link
SnapshotDescription}.<a name="line.300"></a>
+<span class="sourceLineNo">301</span> */<a name="line.301"></a>
+<span class="sourceLineNo">302</span> public static SnapshotDescription
validate(SnapshotDescription snapshot, Configuration conf)<a
name="line.302"></a>
+<span class="sourceLineNo">303</span> throws IllegalArgumentException,
IOException {<a name="line.303"></a>
+<span class="sourceLineNo">304</span> if (!snapshot.hasTable()) {<a
name="line.304"></a>
+<span class="sourceLineNo">305</span> throw new
IllegalArgumentException(<a name="line.305"></a>
+<span class="sourceLineNo">306</span> "Descriptor doesn't apply to a
table, so we can't build it.");<a name="line.306"></a>
+<span class="sourceLineNo">307</span> }<a name="line.307"></a>
+<span class="sourceLineNo">308</span><a name="line.308"></a>
+<span class="sourceLineNo">309</span> // set the creation time, if one
hasn't been set<a name="line.309"></a>
+<span class="sourceLineNo">310</span> long time =
snapshot.getCreationTime();<a name="line.310"></a>
+<span class="sourceLineNo">311</span> if (time ==
SnapshotDescriptionUtils.NO_SNAPSHOT_START_TIME_SPECIFIED) {<a
name="line.311"></a>
+<span class="sourceLineNo">312</span> time =
EnvironmentEdgeManager.currentTime();<a name="line.312"></a>
+<span class="sourceLineNo">313</span> LOG.debug("Creation time not
specified, setting to:" + time + " (current time:"<a name="line.313"></a>
+<span class="sourceLineNo">314</span> +
EnvironmentEdgeManager.currentTime() + ").");<a name="line.314"></a>
+<span class="sourceLineNo">315</span> SnapshotDescription.Builder builder
= snapshot.toBuilder();<a name="line.315"></a>
+<span class="sourceLineNo">316</span> builder.setCreationTime(time);<a
name="line.316"></a>
+<span class="sourceLineNo">317</span> snapshot = builder.build();<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> // set the acl to snapshot if
security feature is enabled.<a name="line.320"></a>
+<span class="sourceLineNo">321</span> if (isSecurityAvailable(conf)) {<a
name="line.321"></a>
+<span class="sourceLineNo">322</span> snapshot =
writeAclToSnapshotDescription(snapshot, conf);<a name="line.322"></a>
+<span class="sourceLineNo">323</span> }<a name="line.323"></a>
+<span class="sourceLineNo">324</span> return snapshot;<a
name="line.324"></a>
+<span class="sourceLineNo">325</span> }<a name="line.325"></a>
+<span class="sourceLineNo">326</span><a name="line.326"></a>
+<span class="sourceLineNo">327</span> /**<a name="line.327"></a>
+<span class="sourceLineNo">328</span> * Write the snapshot description into
the working directory of a snapshot<a name="line.328"></a>
+<span class="sourceLineNo">329</span> * @param snapshot description of the
snapshot being taken<a name="line.329"></a>
+<span class="sourceLineNo">330</span> * @param workingDir working directory
of the snapshot<a name="line.330"></a>
+<span class="sourceLineNo">331</span> * @param fs {@link FileSystem} on
which the snapshot should be taken<a name="line.331"></a>
+<span class="sourceLineNo">332</span> * @throws IOException if we can't
reach the filesystem and the file cannot be cleaned up on<a name="line.332"></a>
+<span class="sourceLineNo">333</span> * failure<a
name="line.333"></a>
+<span class="sourceLineNo">334</span> */<a name="line.334"></a>
+<span class="sourceLineNo">335</span> public static void
writeSnapshotInfo(SnapshotDescription snapshot, Path workingDir, FileSystem
fs)<a name="line.335"></a>
+<span class="sourceLineNo">336</span> throws IOException {<a
name="line.336"></a>
+<span class="sourceLineNo">337</span> FsPermission perms =
FSUtils.getFilePermissions(fs, fs.getConf(),<a name="line.337"></a>
+<span class="sourceLineNo">338</span> HConstants.DATA_FILE_UMASK_KEY);<a
name="line.338"></a>
+<span class="sourceLineNo">339</span> Path snapshotInfo = new
Path(workingDir, SnapshotDescriptionUtils.SNAPSHOTINFO_FILE);<a
name="line.339"></a>
+<span class="sourceLineNo">340</span> try {<a name="line.340"></a>
+<span class="sourceLineNo">341</span> FSDataOutputStream out =
FSUtils.create(fs, snapshotInfo, perms, true);<a name="line.341"></a>
+<span class="sourceLineNo">342</span> try {<a name="line.342"></a>
+<span class="sourceLineNo">343</span> snapshot.writeTo(out);<a
name="line.343"></a>
+<span class="sourceLineNo">344</span> } finally {<a name="line.344"></a>
+<span class="sourceLineNo">345</span> out.close();<a
name="line.345"></a>
+<span class="sourceLineNo">346</span> }<a name="line.346"></a>
+<span class="sourceLineNo">347</span> } catch (IOException e) {<a
name="line.347"></a>
+<span class="sourceLineNo">348</span> // if we get an exception, try to
remove the snapshot info<a name="line.348"></a>
+<span class="sourceLineNo">349</span> if (!fs.delete(snapshotInfo,
false)) {<a name="line.349"></a>
+<span class="sourceLineNo">350</span> String msg = "Couldn't delete
snapshot info file: " + snapshotInfo;<a name="line.350"></a>
+<span class="sourceLineNo">351</span> LOG.error(msg);<a
name="line.351"></a>
+<span class="sourceLineNo">352</span> throw new IOException(msg);<a
name="line.352"></a>
+<span class="sourceLineNo">353</span> }<a name="line.353"></a>
+<span class="sourceLineNo">354</span> }<a name="line.354"></a>
+<span class="sourceLineNo">355</span> }<a name="line.355"></a>
+<span class="sourceLineNo">356</span><a name="line.356"></a>
+<span class="sourceLineNo">357</span> /**<a name="line.357"></a>
+<span class="sourceLineNo">358</span> * Create in-progress tag under .tmp of
in-progress snapshot<a name="line.358"></a>
+<span class="sourceLineNo">359</span> * */<a name="line.359"></a>
+<span class="sourceLineNo">360</span> public static void
createInProgressTag(Path workingDir, FileSystem fs) throws IOException {<a
name="line.360"></a>
+<span class="sourceLineNo">361</span> FsPermission perms =
FSUtils.getFilePermissions(fs, fs.getConf(),<a name="line.361"></a>
+<span class="sourceLineNo">362</span> HConstants.DATA_FILE_UMASK_KEY);<a
name="line.362"></a>
+<span class="sourceLineNo">363</span> Path snapshot_in_progress = new
Path(workingDir, SnapshotDescriptionUtils.SNAPSHOT_IN_PROGRESS);<a
name="line.363"></a>
+<span class="sourceLineNo">364</span> FSUtils.create(fs,
snapshot_in_progress, perms, true);<a name="line.364"></a>
+<span class="sourceLineNo">365</span> }<a name="line.365"></a>
+<span class="sourceLineNo">366</span><a name="line.366"></a>
+<span class="sourceLineNo">367</span> /**<a name="line.367"></a>
+<span class="sourceLineNo">368</span> * Read in the {@link
org.apache.hadoop.hbase.protobuf.generated.HBaseProtos.SnapshotDescription}
stored for the snapshot in the passed directory<a name="line.368"></a>
+<span class="sourceLineNo">369</span> * @param fs filesystem where the
snapshot was taken<a name="line.369"></a>
+<span class="sourceLineNo">370</span> * @param snapshotDir directory where
the snapshot was stored<a name="line.370"></a>
+<span class="sourceLineNo">371</span> * @return the stored snapshot
description<a name="line.371"></a>
+<span class="sourceLineNo">372</span> * @throws CorruptedSnapshotException
if the<a name="line.372"></a>
+<span class="sourceLineNo">373</span> * snapshot cannot be read<a
name="line.373"></a>
+<span class="sourceLineNo">374</span> */<a name="line.374"></a>
+<span class="sourceLineNo">375</span> public static SnapshotDescription
readSnapshotInfo(FileSystem fs, Path snapshotDir)<a name="line.375"></a>
+<span class="sourceLineNo">376</span> throws CorruptedSnapshotException
{<a name="line.376"></a>
+<span class="sourceLineNo">377</span> Path snapshotInfo = new
Path(snapshotDir, SNAPSHOTINFO_FILE);<a name="line.377"></a>
+<span class="sourceLineNo">378</span> try {<a name="line.378"></a>
+<span class="sourceLineNo">379</span> FSDataInputStream in = null;<a
name="line.379"></a>
+<span class="sourceLineNo">380</span> try {<a name="line.380"></a>
+<span class="sourceLineNo">381</span> in = fs.open(snapshotInfo);<a
name="line.381"></a>
+<span class="sourceLineNo">382</span> SnapshotDescription desc =
SnapshotDescription.parseFrom(in);<a name="line.382"></a>
+<span class="sourceLineNo">383</span> return desc;<a
name="line.383"></a>
+<span class="sourceLineNo">384</span> } finally {<a name="line.384"></a>
+<span class="sourceLineNo">385</span> if (in != null) in.close();<a
name="line.385"></a>
+<span class="sourceLineNo">386</span> }<a name="line.386"></a>
+<span class="sourceLineNo">387</span> } catch (IOException e) {<a
name="line.387"></a>
+<span class="sourceLineNo">388</span> throw new
CorruptedSnapshotException("Couldn't read snapshot info from:" + snapshotInfo,
e);<a name="line.388"></a>
+<span class="sourceLineNo">389</span> }<a name="line.389"></a>
+<span class="sourceLineNo">390</span> }<a name="line.390"></a>
+<span class="sourceLineNo">391</span><a name="line.391"></a>
+<span class="sourceLineNo">392</span> /**<a name="line.392"></a>
+<span class="sourceLineNo">393</span> * Move the finished snapshot to its
final, publicly visible directory - this marks the snapshot<a
name="line.393"></a>
+<span class="sourceLineNo">394</span> * as 'complete'.<a name="line.394"></a>
+<span class="sourceLineNo">395</span> * @param snapshot description of the
snapshot being tabken<a name="line.395"></a>
+<span class="sourceLineNo">396</span> * @param rootdir root directory of the
hbase installation<a name="line.396"></a>
+<span class="sourceLineNo">397</span> * @param workingDir directory where
the in progress snapshot was built<a name="line.397"></a>
+<span class="sourceLineNo">398</span> * @param fs {@link FileSystem} where
the snapshot was built<a name="line.398"></a>
+<span class="sourceLineNo">399</span> * @throws
org.apache.hadoop.hbase.snapshot.SnapshotCreationException if the<a
name="line.399"></a>
+<span class="sourceLineNo">400</span> * snapshot could not be moved<a
name="line.400"></a>
+<span class="sourceLineNo">401</span> * @throws IOException the filesystem
could not be reached<a name="line.401"></a>
+<span class="sourceLineNo">402</span> */<a name="line.402"></a>
+<span class="sourceLineNo">403</span> public static void
completeSnapshot(SnapshotDescription snapshot, Path rootdir, Path workingDir,<a
name="line.403"></a>
+<span class="sourceLineNo">404</span> FileSystem fs) throws
SnapshotCreationException, IOException {<a name="line.404"></a>
+<span class="sourceLineNo">405</span> Path finishedDir =
getCompletedSnapshotDir(snapshot, rootdir);<a name="line.405"></a>
+<span class="sourceLineNo">406</span> LOG.debug("Snapshot is done, just
moving the snapshot from " + workingDir + " to "<a name="line.406"></a>
+<span class="sourceLineNo">407</span> + finishedDir);<a
name="line.407"></a>
+<span class="sourceLineNo">408</span> if (!fs.rename(workingDir,
finishedDir)) {<a name="line.408"></a>
+<span class="sourceLineNo">409</span> throw new
SnapshotCreationException(<a name="line.409"></a>
+<span class="sourceLineNo">410</span> "Failed to move working
directory(" + workingDir + ") to completed directory("<a name="line.410"></a>
+<span class="sourceLineNo">411</span> + finishedDir + ").",
ProtobufUtil.createSnapshotDesc(snapshot));<a name="line.411"></a>
+<span class="sourceLineNo">412</span> }<a name="line.412"></a>
+<span class="sourceLineNo">413</span> }<a name="line.413"></a>
+<span class="sourceLineNo">414</span><a name="line.414"></a>
+<span class="sourceLineNo">415</span> /**<a name="line.415"></a>
+<span class="sourceLineNo">416</span> * Check if the user is this table
snapshot's owner<a name="line.416"></a>
+<span class="sourceLineNo">417</span> * @param snapshot the table snapshot
description<a name="line.417"></a>
+<span class="sourceLineNo">418</span> * @param user the user<a
name="line.418"></a>
+<span class="sourceLineNo">419</span> * @return true if the user is the
owner of the snapshot,<a name="line.419"></a>
+<span class="sourceLineNo">420</span> * false otherwise or the
snapshot owner field is not present.<a name="line.420"></a>
+<span class="sourceLineNo">421</span> */<a name="line.421"></a>
+<span class="sourceLineNo">422</span> public static boolean
isSnapshotOwner(org.apache.hadoop.hbase.client.SnapshotDescription snapshot,<a
name="line.422"></a>
+<span class="sourceLineNo">423</span> User user) {<a name="line.423"></a>
+<span class="sourceLineNo">424</span> if (user == null) return false;<a
name="line.424"></a>
+<span class="sourceLineNo">425</span> return
user.getShortName().equals(snapshot.getOwner());<a name="line.425"></a>
+<span class="sourceLineNo">426</span> }<a name="line.426"></a>
+<span class="sourceLineNo">427</span><a name="line.427"></a>
+<span class="sourceLineNo">428</span> public static boolean
isSecurityAvailable(Configuration conf) throws IOException {<a
name="line.428"></a>
+<span class="sourceLineNo">429</span> try (Connection conn =
ConnectionFactory.createConnection(conf)) {<a name="line.429"></a>
+<span class="sourceLineNo">430</span> try (Admin admin = conn.getAdmin())
{<a name="line.430"></a>
+<span class="sourceLineNo">431</span> return
admin.tableExists(AccessControlLists.ACL_TABLE_NAME);<a name="line.431"></a>
+<span class="sourceLineNo">432</span> }<a name="line.432"></a>
+<span class="sourceLineNo">433</span> }<a name="line.433"></a>
+<span class="sourceLineNo">434</span> }<a name="line.434"></a>
+<span class="sourceLineNo">435</span><a name="line.435"></a>
+<span class="sourceLineNo">436</span> private static SnapshotDescription
writeAclToSnapshotDescription(SnapshotDescription snapshot,<a
name="line.436"></a>
+<span class="sourceLineNo">437</span> Configuration conf) throws
IOException {<a name="line.437"></a>
+<span class="sourceLineNo">438</span> ListMultimap<String,
TablePermission> perms =<a name="line.438"></a>
+<span class="sourceLineNo">439</span> User.runAsLoginUser(new
PrivilegedExceptionAction<ListMultimap<String, TablePermission>>()
{<a name="line.439"></a>
+<span class="sourceLineNo">440</span> @Override<a name="line.440"></a>
+<span class="sourceLineNo">441</span> public ListMultimap<String,
TablePermission> run() throws Exception {<a name="line.441"></a>
+<span class="sourceLineNo">442</span> return
AccessControlLists.getTablePermissions(conf,<a name="line.442"></a>
+<span class="sourceLineNo">443</span>
TableName.valueOf(snapshot.getTable()));<a name="line.443"></a>
+<span class="sourceLineNo">444</span> }<a name="line.444"></a>
+<span class="sourceLineNo">445</span> });<a name="line.445"></a>
+<span class="sourceLineNo">446</span> return snapshot.toBuilder()<a
name="line.446"></a>
+<span class="sourceLineNo">447</span>
.setUsersAndPermissions(ShadedAccessControlUtil.toUserTablePermissions(perms)).build();<a
name="line.447"></a>
+<span class="sourceLineNo">448</span> }<a name="line.448"></a>
+<span class="sourceLineNo">449</span>}<a name="line.449"></a>