HCFS: chmod

other/java/hdfs/src/main/java/seaweed/hdfs/SeaweedFileSystem.java

@@ -233,7 +233,26 @@ public class SeaweedFileSystem extends org.apache.hadoop.fs.FileSystem {
         path = qualify(path);
 
         seaweedFileSystemStore.setOwner(path, owner, group);
+    }
+
+
+    /**
+     * Set permission of a path.
+     *
+     * @param path       The path
+     * @param permission Access permission
+     */
+    @Override
+    public void setPermission(Path path, final FsPermission permission) throws IOException {
+        LOG.debug("setPermission path: {}", path);
+
+        if (permission == null) {
+            throw new IllegalArgumentException("The permission can't be null");
+        }
+
+        path = qualify(path);
 
+        seaweedFileSystemStore.setPermission(path, permission);
     }
 
     Path qualify(Path path) {

other/java/hdfs/src/main/java/seaweed/hdfs/SeaweedFileSystemStore.java

@@ -297,7 +297,33 @@ public class SeaweedFileSystemStore {
 
         entryBuilder.setAttributes(attributesBuilder);
 
-        LOG.debug("setOwner path:{} entry:{}", path, entryBuilder, owner, group);
+        LOG.debug("setOwner path:{} entry:{}", path, entryBuilder);
+
+        filerGrpcClient.getBlockingStub().updateEntry(FilerProto.UpdateEntryRequest.newBuilder()
+            .setDirectory(getParentDirectory(path))
+            .setEntry(entryBuilder)
+            .build());
+
+    }
+
+    public void setPermission(Path path, FsPermission permission) {
+
+        LOG.debug("setPermission path:{} permission:{}", path, permission);
+
+        FilerProto.Entry entry = lookupEntry(path);
+        if (entry == null) {
+            LOG.debug("setPermission path:{} entry:{}", path, entry);
+            return;
+        }
+
+        FilerProto.Entry.Builder entryBuilder = entry.toBuilder();
+        FilerProto.FuseAttributes.Builder attributesBuilder = entry.getAttributes().toBuilder();
+
+        attributesBuilder.setFileMode(permissionToMode(permission, entry.getIsDirectory()));
+
+        entryBuilder.setAttributes(attributesBuilder);
+
+        LOG.debug("setPermission path:{} entry:{}", path, entryBuilder);
 
         filerGrpcClient.getBlockingStub().updateEntry(FilerProto.UpdateEntryRequest.newBuilder()
             .setDirectory(getParentDirectory(path))