[sonic_fw]: Add firmware management api base

setup.py

@@ -16,6 +16,7 @@
         'sonic_platform_base',
         'sonic_psu',
         'sonic_sfp',
+        'sonic_fw'
     ],
     classifiers=[
         'Development Status :: 3 - Alpha',

sonic_fw/fw_manage_base.py

@@ -0,0 +1,63 @@
+#!/usr/bin/env python
+#
+# fw_manage_base.py
+#
+# Abstract base class for implementing platform-specific
+#  Firmware management functionality for SONiC
+#
+
+try:
+    import abc
+except ImportError as e:
+    raise ImportError(str(e) + " - required module not found")
+
+
+class FwBase(object):
+    __metaclass__ = abc.ABCMeta
+
+    @abc.abstractmethod
+    def get_module_list(self):
+        """
+        Retrieves the list of module that available on the device
+
+        :return: A list : the list of module that available on the device
+        """
+        return []
+
+    @abc.abstractmethod
+    def get_fw_version(self, module_name):
+        """
+        Retrieves the firmware version of module
+
+        :param module_name: A string, module name
+        :return: A Dict, firmware version object
+            - Example of return object of module that doesn't have sub modules
+            {
+                "module_name": "BIOS",
+                "fw_version": "1.0.0"
+                "has_submodule" = False
+            }
+            - Example of return object of module that have sub modules
+            {
+                "module_name": "CPLD",
+                "fw_version": {
+                    "CPLD1" : "1.0.0",
+                    "CPLD2" : "1.1.0"
+                }
+                "has_submodule" = True
+            }            
+        """
+        return {}
+
+    @abc.abstractmethod
+    def install(self, module_name, image_path):
+        """
+        Install firmware to module
+
+        :param module_name: A string, name of module that need to install new firmware
+        :param image_path: A string, path to firmware image 
+        :return: Boolean,
+            - True if install process is finished without error
+            - False if install process is failed
+        """
+        return False