maheshk114 commented on a change in pull request #883: HIVE-22736 Support
multiple encryption zones in replication
URL: https://github.com/apache/hive/pull/883#discussion_r370051185
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File path:
standalone-metastore/metastore-common/src/main/java/org/apache/hadoop/hive/metastore/ReplChangeManager.java
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@@ -493,4 +524,29 @@ public static String joinWithSeparator(Iterable<?>
strings) {
public static String[] getListFromSeparatedString(String
commaSeparatedString) {
return commaSeparatedString.split("\\s*" + TXN_WRITE_EVENT_FILE_SEPARATOR
+ "\\s*");
}
+
+ private static Path getCmRoot(Path path) throws IOException {
+ Path cmroot = null;
+ HdfsEncryptionShim pathEncryptionShim =
hadoopShims.createHdfsEncryptionShim(path.getFileSystem(conf), conf);
+ if (!pathEncryptionShim.isPathEncrypted(path)) {
+ cmroot = cmRootMapping.get(NO_ENCRYPTION);
+ } else {
+ EncryptionZone encryptionZone =
pathEncryptionShim.getEncryptionZoneForPath(path);
+ cmroot = cmRootMapping.get(encryptionZone.getPath());
+ if (cmroot == null) {
+ synchronized (instance) {
+ cmroot = new Path(path.getFileSystem(conf).getUri() +
encryptionZone.getPath()
+ + MetastoreConf.getVar(conf, ConfVars.REPLCMENCRYPTEDDIR));
+ FileSystem cmFs = cmroot.getFileSystem(conf);
+ // Create cmroot with permission 700 if not exist
+ if (!cmFs.exists(cmroot)) {
+ cmFs.mkdirs(cmroot);
+ cmFs.setPermission(cmroot, new FsPermission("700"));
+ }
+ cmRootMapping.put(encryptionZone.getPath(), cmroot);
Review comment:
Do we need a map..or a set is fine ..as the mapping from EZ root to CM root
is constant ?
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