[platform]: Added exceptions handling for BFN syseeprom and psuutil

device/barefoot/x86_64-accton_wedge100bf_32x-r0/plugins/eeprom.py

@@ -74,6 +74,7 @@
 
 
 class board(eeprom_tlvinfo.TlvInfoDecoder):
+    RETRIES = 30
 
     def __init__(self, name, path, cpld_root, ro):
 
@@ -88,7 +89,16 @@ def __init__(self, name, path, cpld_root, ro):
 
         self.eeprom_path = EEPROM_SYMLINK
         super(board, self).__init__(self.eeprom_path, 0, '', True)
-        self.eeprom_init()
+
+        for attempt in range(self.RETRIES + 1):
+            if not self.eeprom_init():
+                time.sleep(1)
+            else:
+                break
+
+        if attempt == self.RETRIES:
+            raise RuntimeError("Could not initialize syseeprom")
+
 
     def thrift_setup(self):
         global thrift_server, transport, pltfm_mgr
@@ -109,9 +119,12 @@ def thrift_teardown(self):
 
     def eeprom_init(self):
         global pltfm_mgr
-        self.thrift_setup()
-        eeprom = pltfm_mgr.pltfm_mgr_sys_eeprom_get()
-        self.thrift_teardown()
+        try:
+           self.thrift_setup()
+           eeprom = pltfm_mgr.pltfm_mgr_sys_eeprom_get()
+           self.thrift_teardown()
+        except:
+            return False
 
         eeprom_params = ""
         for attr, val in eeprom.__dict__.iteritems():
@@ -143,3 +156,5 @@ def eeprom_init(self):
         sys.stdout = orig_stdout
         eeprom_base.EepromDecoder.write_eeprom(self, new_e)
 
+        return True
+

device/barefoot/x86_64-accton_wedge100bf_32x-r0/plugins/psuutil.py

@@ -63,9 +63,13 @@ def get_psu_status(self, index):
             return False
 
         global pltfm_mgr
-        self.thrift_setup()
-        psu_info = pltfm_mgr.pltfm_mgr_pwr_supply_info_get(index)
-        self.thrift_teardown()
+
+        try:
+           self.thrift_setup()
+           psu_info = pltfm_mgr.pltfm_mgr_pwr_supply_info_get(index)
+           self.thrift_teardown()
+        except:
+            return False
 
         return (psu_info.ffault == False)
 
@@ -80,9 +84,13 @@ def get_psu_presence(self, index):
             return False
 
         global pltfm_mgr
-        self.thrift_setup()
-        status = pltfm_mgr.pltfm_mgr_pwr_supply_present_get(index)
-        self.thrift_teardown()
+
+        try:
+	    self.thrift_setup()
+	    status = pltfm_mgr.pltfm_mgr_pwr_supply_present_get(index)
+	    self.thrift_teardown()
+        except:
+            return False
 
         return status