Add set_power api support to xcvr api (sonic-net#484)

Author: AnoopKamath

sonic_platform_base/sfp_base.py

@@ -385,6 +385,18 @@ def set_lpmode(self, lpmode):
         """
         raise NotImplementedError
 
+    def set_power(self, mode):
+        """
+        Enables or Disables the power of QSFP
+
+        Args:
+            mode: A Boolean, True to enable power, False to disable it
+
+        Returns:
+            A boolean, True if power is enabled or disbaled successfully, False if not
+        """
+        raise NotImplementedError
+
     def set_power_override(self, power_override, power_set):
         """
         Sets SFP power level using power_override and power_set

sonic_platform_base/sonic_xcvr/sfp_optoe_base.py

@@ -221,6 +221,9 @@ def set_lpmode(self, lpmode):
         api = self.get_xcvr_api()
         return api.set_lpmode(lpmode) if api is not None else None
 
+    def set_power(self, mode):
+        raise NotImplementedError
+
     def set_optoe_write_max(self, write_max):
         sys_path = self.get_eeprom_path()
         sys_path = sys_path.replace("eeprom", "write_max")

tests/sfputilhelper_test.py

@@ -4,6 +4,7 @@
 import pytest
 
 from sonic_platform_base.sonic_sfp import sfputilhelper
+from sonic_platform_base.sfp_base import SfpBase
 from unittest import mock
 
 PORT_LIST = [
@@ -144,3 +145,12 @@ def test_read_all_port_mappings_role(self):
         logical_port_list = sfputil_helper.logical
 
         assert len(logical_port_list) == len(PORT_FILTERED_LIST)
+
+    def test_set_power(self):
+        sfpbase = SfpBase()
+        mode = 1
+        try:
+            sfpbase.set_power(mode)
+        except NotImplementedError:
+            exception_raised = True
+        assert exception_raised

tests/sonic_xcvr/test_sfp_optoe_base.py

@@ -113,3 +113,12 @@ def test_set_optoe_write_timeout_oserror(self, mock_get_eeprom_path, mock_open):
         self.sfp_optoe_api.set_optoe_write_timeout(expected_timeout)
 
         mock_open.assert_called()
+
+    def test_set_power(self):
+        mode = 1
+        try:
+            self.sfp_optoe_api.set_power(mode)
+        except NotImplementedError:
+            exception_raised = True
+        assert exception_raised
+