Two fixes:

a) we should use get_platform() with new sonic_py-common package
b) In 201911 DB Connector is still using db id based constructor
as following PR sonic-net#4549
is not cherry-picked yet. So revert the change to use db is insatead of
db_name for now.

Signed-off-by: Abhishek Dosi <abdosi@microsoft.com>

src/sonic-py-common/sonic_py_common/daemon_base.py

@@ -8,18 +8,25 @@
 #
 # Constants ====================================================================
 #
+# Redis DB information
+REDIS_HOSTNAME = 'localhost'
+REDIS_PORT = 6379
 REDIS_TIMEOUT_MSECS = 0
 
+
 EEPROM_MODULE_NAME = 'eeprom'
 EEPROM_CLASS_NAME = 'board'
 
 #
 # Helper functions =============================================================
 #
 
-def db_connect(db_name):
+def db_connect(db):
  from swsscommon import swsscommon
- return swsscommon.DBConnector(db_name, REDIS_TIMEOUT_MSECS, True)
+ return swsscommon.DBConnector(db,
+ REDIS_HOSTNAME,
+ REDIS_PORT,
+ REDIS_TIMEOUT_MSECS)
 
 #
 # DaemonBase ===================================================================

src/sonic-py-common/sonic_py_common/device_info.py

@@ -248,7 +248,7 @@ def get_npu_id_from_name(npu_name):
 
 
 def get_npu_device_id(npu_id):
- platform = get_platform_info(get_machine_info())
+ platform = get_platform()
  if not platform:
  return None