feat: add the option for the symbolic feature

Author: yuyang733

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>com.qcloud.cos</groupId>
     <artifactId>hadoop-cos</artifactId>
-    <version>8.1.9</version>
+    <version>8.2.0</version>
     <packaging>jar</packaging>
 
     <name>Apache Hadoop Tencent Cloud COS Support</name>

src/main/java/org/apache/hadoop/fs/CosNConfigKeys.java

@@ -12,7 +12,7 @@
 @InterfaceStability.Unstable
 public class CosNConfigKeys extends CommonConfigurationKeys {
     public static final String USER_AGENT = "fs.cosn.user.agent";
-    public static final String DEFAULT_USER_AGENT = "cos-hadoop-plugin-v8.1.8";
+    public static final String DEFAULT_USER_AGENT = "cos-hadoop-plugin-v8.2.0";
 
     public static final String TENCENT_EMR_VERSION_KEY = "fs.emr.version";
 
@@ -201,8 +201,8 @@ public class CosNConfigKeys extends CommonConfigurationKeys {
 
     // POSIX bucket does not support the SYMLINK interface by default.
     @Deprecated
-    public static final String COSN_POSIX_BUCKET_SUPPORT_SYMLINK_ENABLED = "fs.cosn.posix_bucket.support_symlink.enabled";
-    public static final boolean DEFAULT_COSN_POSIX_BUCKET_SUPPORT_SYMLINK_ENABLED = false;
+    public static final String COSN_SUPPORT_SYMLINK_ENABLED = "fs.cosn.support_symlink.enabled";
+    public static final boolean DEFAULT_COSN_SUPPORT_SYMLINK_ENABLED = false;
 
     // create() recursive check dst dir which increase the getFileStatus call which increase head and list qps.
     // please notice when set to false may lose data, so only change to false when you know what are you doing.

src/main/java/org/apache/hadoop/fs/CosNFileSystem.java

@@ -3,7 +3,6 @@
 import com.google.common.base.Preconditions;
 import com.google.common.util.concurrent.ThreadFactoryBuilder;
 import com.qcloud.chdfs.permission.RangerAccessType;
-import com.qcloud.cos.model.ObjectMetadata;
 import com.qcloud.cos.utils.StringUtils;
 import org.apache.hadoop.HadoopIllegalArgumentException;
 import org.apache.hadoop.conf.Configuration;
@@ -1303,12 +1302,9 @@ public FileStatus getFileLinkStatus(final Path f)
 
     @Override
     public boolean supportsSymlinks() {
-        if (this.isPosixBucket) {
-            return this.getConf().getBoolean(
-                CosNConfigKeys.COSN_POSIX_BUCKET_SUPPORT_SYMLINK_ENABLED,
-                CosNConfigKeys.DEFAULT_COSN_POSIX_BUCKET_SUPPORT_SYMLINK_ENABLED);
-        }
-        return true;
+      return this.getConf().getBoolean(
+          CosNConfigKeys.COSN_SUPPORT_SYMLINK_ENABLED,
+          CosNConfigKeys.DEFAULT_COSN_SUPPORT_SYMLINK_ENABLED);
     }
 
     @Override