[Thermalctld] Update thermal info to CHASSIS_STATE_DB

sonic-thermalctld/scripts/thermalctld

@@ -463,13 +463,22 @@ class TemperatureUpdater(logger.Logger):
         state_db = daemon_base.db_connect("STATE_DB")
         self.table = swsscommon.Table(state_db, TemperatureUpdater.TEMPER_INFO_TABLE_NAME)
 
+        self.is_chassis_system = chassis.is_modular_chassis()
+        if self.is_chassis_system:
+            my_slot = chassis.get_my_slot()
+            table_name = TemperatureUpdater.TEMPER_INFO_TABLE_NAME+'_'+str(my_slot)
+            global_state_db = daemon_base.db_connect("GLOBAL_STATE_DB")
+            self.global_table = swsscommon.Table(global_state_db, table_name)
+
     def deinit(self):
         """
         Destructor of TemperatureUpdater 
         :return:
         """
         for name in self.temperature_status_dict.keys():
             self.table._del(name)
+            if self.is_chassis_system:
+                self.global_table._del(name)
 
     def _log_on_status_changed(self, normal_status, normal_log, abnormal_log):
         """
@@ -515,9 +524,13 @@ class TemperatureUpdater(logger.Logger):
         low_threshold = NOT_AVAILABLE
         high_critical_threshold = NOT_AVAILABLE
         low_critical_threshold = NOT_AVAILABLE
+        maximum_temperature = NOT_AVAILABLE
+        minimum_temperature = NOT_AVAILABLE
         temperature = try_get(thermal.get_temperature)
         if temperature != NOT_AVAILABLE:
             temperature_status.set_temperature(name, temperature)
+            minimum_temperature = try_get(thermal.get_minimum_recorded)
+            maximum_temperature = try_get(thermal.get_maximum_recorded)
             high_threshold = try_get(thermal.get_high_threshold)
             low_threshold = try_get(thermal.get_low_threshold)
             high_critical_threshold = try_get(thermal.get_high_critical_threshold)
@@ -544,6 +557,8 @@ class TemperatureUpdater(logger.Logger):
 
         fvs = swsscommon.FieldValuePairs(
             [('temperature', str(temperature)),
+             ('minimum_temperature', str(minimum_temperature)),
+             ('maximum_temperature', str(maximum_temperature)),
              ('high_threshold', str(high_threshold)),
              ('low_threshold', str(low_threshold)),
              ('warning_status', str(warning)),
@@ -553,6 +568,8 @@ class TemperatureUpdater(logger.Logger):
              ])
 
         self.table.set(name, fvs)
+        if self.is_chassis_system:
+            self.global_table.set(name, fvs)
 
 
 class ThermalMonitor(ProcessTaskBase):

sonic-thermalctld/tests/mock_platform.py

@@ -104,6 +104,8 @@ class MockThermal:
     def __init__(self):
         self.name = None
         self.temperature = 2
+        self.minimum_temperature = 1
+        self.maximum_temperature = 5
         self.high_threshold = 3
         self.low_threshold = 1
         self.high_critical_threshold = 4
@@ -115,6 +117,12 @@ def get_name(self):
     def get_temperature(self):
         return self.temperature
 
+    def get_minimum_recorded(self):
+        return self.minimum_temperature
+
+    def get_maximum_recorded(self):
+        return self.maximum_temperature
+
     def get_high_threshold(self):
         return self.high_threshold
 
@@ -155,6 +163,9 @@ def __init__(self):
         self.thermal_list = []
         self.fan_drawer_list = []
 
+    def is_modular_chassis(self):
+        return False
+
     def get_all_fans(self):
         return self.fan_list
 

sonic-thermalctld/tests/mock_swsscommon.py

@@ -1,5 +1,5 @@
 STATE_DB = ''
-
+GLOBAL_STATE_DB = ''
 
 class Table:
     def __init__(self, db, table_name):