Add a new API connect_host to SonicV2Connector

common/sonicv2connector.cpp

@@ -29,6 +29,13 @@ void SonicV2Connector_Native::connect(const std::string& db_name, bool retry_on)
     m_dbintf.connect(db_id, db_name, retry_on);
 }
 
+void SonicV2Connector_Native::connect_host(const std::string& db_name, const std::string& host, bool retry_on)
+{
+    m_dbintf.set_redis_kwargs("", host, get_db_port(db_name));
+    int db_id = get_dbid(db_name);
+    m_dbintf.connect(db_id, db_name, retry_on);
+}
+
 void SonicV2Connector_Native::close(const std::string& db_name)
 {
     m_dbintf.close(db_name);

common/sonicv2connector.h

@@ -18,6 +18,8 @@ class SonicV2Connector_Native
 
     void connect(const std::string& db_name, bool retry_on = true);
 
+    void connect_host(const std::string& db_name, const std::string& host, bool retry_on = true);
+
     void close(const std::string& db_name);
 
     void close();

tests/test_redis_ut.py

@@ -360,6 +360,8 @@ def test_DBInterface():
         db = SonicV2Connector(use_unix_socket_path=True, namespace='', decode_responses=True)
         db = SonicV2Connector(use_unix_socket_path=False, decode_responses=True)
         db = SonicV2Connector(host="127.0.0.1", decode_responses=True)
+        db = SonicV2Connector()
+        db.connect_host(db_name="TEST_DB", host='127.0.0.1')
     except:
         assert False, 'Unexpected exception raised'