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HBASE-20668 Avoid permission change if ExportSnapshot's copy fails

This commit is contained in:
tedyu 2018-06-01 14:39:01 -07:00
parent d3e2248f12
commit 5a200b5902
1 changed files with 15 additions and 11 deletions
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26
hbase-mapreduce/src/main/java/org/apache/hadoop/hbase/snapshot/ExportSnapshot.java
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@ -1027,25 +1027,29 @@ public class ExportSnapshot extends AbstractHBaseTool implements Tool {
// The snapshot references must be copied before the hfiles otherwise the cleaner
// will remove them because they are unreferenced.
List<Path> travesedPaths = new ArrayList<>();
boolean copySucceeded = false;
try {
LOG.info("Copy Snapshot Manifest");
LOG.info("Copy Snapshot Manifest from " + snapshotDir + " to " + initialOutputSnapshotDir);
travesedPaths =
FSUtils.copyFilesParallel(inputFs, snapshotDir, outputFs, initialOutputSnapshotDir, conf,
conf.getInt(CONF_COPY_MANIFEST_THREADS, DEFAULT_COPY_MANIFEST_THREADS));
copySucceeded = true;
} catch (IOException e) {
throw new ExportSnapshotException("Failed to copy the snapshot directory: from=" +
snapshotDir + " to=" + initialOutputSnapshotDir, e);
} finally {
if (filesUser != null || filesGroup != null) {
LOG.warn((filesUser == null ? "" : "Change the owner of " + needSetOwnerDir + " to "
+ filesUser)
+ (filesGroup == null ? "" : ", Change the group of " + needSetOwnerDir + " to "
+ filesGroup));
setOwnerParallel(outputFs, filesUser, filesGroup, conf, travesedPaths);
}
if (filesMode > 0) {
LOG.warn("Change the permission of " + needSetOwnerDir + " to " + filesMode);
setPermissionParallel(outputFs, (short)filesMode, travesedPaths, conf);
if (copySucceeded) {
if (filesUser != null || filesGroup != null) {
LOG.warn((filesUser == null ? "" : "Change the owner of " + needSetOwnerDir + " to "
+ filesUser)
+ (filesGroup == null ? "" : ", Change the group of " + needSetOwnerDir + " to "
+ filesGroup));
setOwnerParallel(outputFs, filesUser, filesGroup, conf, travesedPaths);
}
if (filesMode > 0) {
LOG.warn("Change the permission of " + needSetOwnerDir + " to " + filesMode);
setPermissionParallel(outputFs, (short)filesMode, travesedPaths, conf);
}
}
}