ashishkumar50 commented on code in PR #4675:
URL: https://github.com/apache/ozone/pull/4675#discussion_r1188486960
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hadoop-ozone/tools/src/main/java/org/apache/hadoop/ozone/shell/keys/DeleteKeyHandler.java:
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@@ -45,6 +64,81 @@ protected void execute(OzoneClient client, OzoneAddress
address)
OzoneVolume vol = client.getObjectStore().getVolume(volumeName);
OzoneBucket bucket = vol.getBucket(bucketName);
- bucket.deleteKey(keyName);
+
+ float hadoopTrashInterval = getConf().getFloat(
+ FS_TRASH_INTERVAL_KEY, FS_TRASH_INTERVAL_DEFAULT);
+
+ long trashInterval =
+ (long) (getConf().getFloat(
+ OMConfigKeys.OZONE_FS_TRASH_INTERVAL_KEY,
+ hadoopTrashInterval) * 10000);
+
+ // If Bucket layout is FSO and Trash is enabled
+ // In this case during delete operation move key to trash
+ if (bucket.getBucketLayout().isFileSystemOptimized() && trashInterval > 0
+ && !skipTrash && !keyName.contains(".Trash")) {
+
+ keyName = OzoneFSUtils.removeTrailingSlashIfNeeded(keyName);
+ try {
+ // Check if key exists in Ozone
+ OzoneKeyDetails key = bucket.getKey(keyName);
+ if (key == null) {
+ out().printf("Key not found %s", keyName);
+ return;
+ }
+ // Check whether directory is empty or not
+ Iterator<? extends OzoneKey> ozoneKeyIterator =
+ bucket.listKeys(keyName, keyName);
+ int count = 0;
+ while (ozoneKeyIterator.hasNext()) {
+ ozoneKeyIterator.next();
+ if (++count > 1) {
+ // Assume FSO Tree: /a/b1/c1/k1.txt
+ // And we are trying to delete key /a/b1/c1
+ // In this case count is 2 which is greater than 1
+ // /a/b1/c1/ and /a/b1/c1/k1.txt
+ out().printf("Directory is not empty");
+ return;
+ }
+ }
+ } catch (Exception e) {
+ out().printf("Key not found %s", keyName);
+ return;
+ }
+
+ final String username =
+ UserGroupInformation.getCurrentUser().getShortUserName();
+ Path trashRoot = new Path(OZONE_URI_DELIMITER, TRASH_PREFIX);
+ Path userTrash = new Path(trashRoot, username);
+ Path userTrashCurrent = new Path(userTrash, CURRENT);
+
+ String trashDirectory = (keyName.contains("/")
+ ? new Path(userTrashCurrent, keyName.substring(0,
+ keyName.lastIndexOf("/")))
+ : userTrashCurrent).toUri().getPath();
+
+ String toKeyName = new Path(userTrashCurrent, keyName).toUri().getPath();
+ OzoneKeyDetails toKeyDetails = null;
+ try {
+ // check whether key already exist in trash
+ toKeyDetails = bucket.getKey(toKeyName);
+ } catch (IOException e) {
+ // Key doesn't exist inside trash.
+ }
+
+ if (toKeyDetails != null) {
+ // if key(directory) already exist in trash, just delete the key
+ bucket.deleteKey(keyName);
+ return;
+ }
+ // Create directory inside trash
+ bucket.createDirectory(trashDirectory);
Review Comment:
I verified and I can see it is not creating directory in rename operation.
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