[barefoot] Platform API 2.0 fixups (#5539)

Fixes for bfn platform api

Signed-off-by: Volodymyr Boyko <volodymyrx.boiko@intel.com>

platform/barefoot/sonic-platform-modules-bfn-montara/debian/rules

@@ -1,6 +1,6 @@
 #!/usr/bin/make -f
 
-PLATFORM = x86_64-accton_wedge100bf_32x-r0
+PLATFORM := x86_64-accton_wedge100bf_32x-r0
 PACKAGE_NAME := sonic-platform-modules-bfn-montara
 SCRIPT_SRC := $(shell pwd)/scripts
 CONFIGS_SRC := $(shell pwd)/configs
@@ -22,10 +22,10 @@ override_dh_auto_install:
 	cp -r $(SCRIPT_SRC)/* debian/$(PACKAGE_NAME)/usr/local/bin
 	dh_installdirs -p$(PACKAGE_NAME) etc/network/interfaces.d/
 	cp -r $(CONFIGS_SRC)/network/interfaces.d/* debian/$(PACKAGE_NAME)/etc/network/interfaces.d/
-	dh_installdirs -p$(PACKAGE_NAME) /usr/share/sonic/device/${PLATFORM}/
-	cp -r $(WHEEL_BUILD_DIR)/*  debian/$(PACKAGE_NAME)/usr/share/sonic/device/${PLATFORM}/
-	dh_installdirs -p$(PACKAGE_NAME) usr/share/sonic/device/${PLATFORM}/plugins
-	cp -r $(PLUGINS_DIR)/*  debian/$(PACKAGE_NAME)/usr/share/sonic/device/${PLATFORM}/plugins/
+	dh_installdirs -p$(PACKAGE_NAME) usr/share/sonic/device/$(PLATFORM)/
+	cp -r $(WHEEL_BUILD_DIR)/*  debian/$(PACKAGE_NAME)/usr/share/sonic/device/$(PLATFORM)/
+	dh_installdirs -p$(PACKAGE_NAME) usr/share/sonic/device/$(PLATFORM)/plugins
+	cp -r $(PLUGINS_DIR)/*  debian/$(PACKAGE_NAME)/usr/share/sonic/device/$(PLATFORM)/plugins/
 
 override_dh_usrlocal:
 

platform/barefoot/sonic-platform-modules-bfn-montara/sonic_platform/chassis.py

@@ -24,7 +24,7 @@ class Chassis(ChassisBase):
             sfp_node = Sfp(index)
             self._sfp_list.append(sfp_node)
 
-        for i in range(MAX_PSU):
+        for i in range(1, MAX_PSU + 1):
             psu = Psu(i)
             self._psu_list.append(psu)
 

platform/barefoot/sonic-platform-modules-bfn-montara/sonic_platform/eeprom.py

@@ -2,7 +2,6 @@
 
 
 try:
-    import time
     import os
     import sys
     import errno
@@ -17,7 +16,7 @@ try:
     from sonic_eeprom import eeprom_base
     from sonic_eeprom import eeprom_tlvinfo
 
-    from .platform_thrift_client import ThriftClient
+    from .platform_thrift_client import thrift_try
 except ImportError, e:
     raise ImportError (str(e) + "- required module not found")
 
@@ -65,8 +64,6 @@ EEPROM_SYMLINK = "/var/run/platform/eeprom/syseeprom"
 EEPROM_STATUS = "/var/run/platform/eeprom/status"
 
 class Eeprom(eeprom_tlvinfo.TlvInfoDecoder):
-    RETRIES = 35
-
     def __init__(self):
 
         with open(os.path.dirname(__file__) + "/logging.conf", 'r') as f:
@@ -88,20 +85,16 @@ class Eeprom(eeprom_tlvinfo.TlvInfoDecoder):
         self.eeprom_path = EEPROM_SYMLINK
         super(Eeprom, self).__init__(self.eeprom_path, 0, EEPROM_STATUS, True)
 
-        for attempt in range(self.RETRIES):
-            if self.eeprom_init():
-                break
-            if attempt + 1 == self.RETRIES:
-                raise RuntimeError("eeprom.py: Initialization failed")
-            time.sleep(1)
-
-    def eeprom_init(self):
+        def sys_eeprom_get(client):
+            return client.pltfm_mgr.pltfm_mgr_sys_eeprom_get()
         try:
-            with ThriftClient() as client:
-                self.eeprom = client.pltfm_mgr.pltfm_mgr_sys_eeprom_get()
+            self.eeprom = thrift_try(sys_eeprom_get)
         except Exception:
-            return False
+            raise RuntimeError("eeprom.py: Initialization failed")
 
+        self.eeprom_parse()
+
+    def eeprom_parse(self):
         f = open(EEPROM_STATUS, 'w')
         f.write("ok")
         f.close()
@@ -131,9 +124,13 @@ class Eeprom(eeprom_tlvinfo.TlvInfoDecoder):
             eeprom_params += "{0:s}={1:s}".format(elem[1], value)
 
         orig_stdout = sys.stdout
+
         sys.stdout = StringIO()
-        new_e = eeprom_tlvinfo.TlvInfoDecoder.set_eeprom(self, "", [eeprom_params])
-        sys.stdout = orig_stdout
+        try:
+            new_e = eeprom_tlvinfo.TlvInfoDecoder.set_eeprom(self, "", [eeprom_params])
+        finally:
+            sys.stdout = orig_stdout
+
         eeprom_base.EepromDecoder.write_eeprom(self, new_e)
 
         return True

platform/barefoot/sonic-platform-modules-bfn-montara/sonic_platform/platform_thrift_client.py

@@ -3,6 +3,7 @@
 try:
     import os
     import sys
+    import time
     import importlib
 
     sys.path.append(os.path.dirname(__file__))
@@ -11,6 +12,7 @@ try:
     from thrift.transport import TTransport
     from thrift.protocol import TBinaryProtocol
     from thrift.protocol import TMultiplexedProtocol
+    from thrift.Thrift import TException
 except ImportError as e:
     raise ImportError (str(e) + "- required module not found")
 
@@ -35,3 +37,13 @@ class ThriftClient(object):
         return self.open()
     def __exit__(self, exc_type, exc_value, tb):
         self.close()
+
+def thrift_try(func, attempts=35):
+    for attempt in range(attempts):
+        try:
+            with ThriftClient() as client:
+               return func(client)
+        except TException as e:
+            if attempt + 1 == attempts:
+               raise e
+        time.sleep(1)

platform/barefoot/sonic-platform-modules-bfn-montara/sonic_platform/psu.py

@@ -6,7 +6,7 @@ try:
 
     sys.path.append(os.path.dirname(__file__))
 
-    from .platform_thrift_client import ThriftClient
+    from .platform_thrift_client import thrift_try
 
     from sonic_platform_base.psu_base import PsuBase
 except ImportError as e:
@@ -34,9 +34,11 @@ class Psu(PsuBase):
         :param self.index: An integer, 1-based self.index of the PSU of which to query status
         :return: Boolean, True if PSU is operating properly, False if PSU is faulty
         """
+        def psu_info_get(client):
+            return client.pltfm_mgr.pltfm_mgr_pwr_supply_info_get(self.index)
+
         try:
-            with ThriftClient() as client:
-                psu_info = client.pltfm_mgr.pltfm_mgr_pwr_supply_info_get(self.index)
+            psu_info = thrift_try(psu_info_get)
         except Exception:
             return False
 
@@ -49,9 +51,11 @@ class Psu(PsuBase):
         :param self.index: An integer, 1-based self.index of the PSU of which to query status
         :return: Boolean, True if PSU is plugged, False if not
         """
+        def psu_present_get(client):
+            return client.pltfm_mgr.pltfm_mgr_pwr_supply_present_get(self.index)
+
         try:
-            with ThriftClient() as client:
-                status = client.pltfm_mgr.pltfm_mgr_pwr_supply_present_get(self.index)
+            status = thrift_try(psu_present_get)
         except Exception:
             return False
 

platform/barefoot/sonic-platform-modules-bfn-montara/sonic_platform/sfp.py

@@ -8,6 +8,7 @@ try:
     sys.path.append(os.path.dirname(__file__))
 
     from .platform_thrift_client import ThriftClient
+    from .platform_thrift_client import thrift_try
 
     from sonic_platform_base.sfp_base import SfpBase
     from sonic_platform_base.sonic_sfp.sfputilbase import SfpUtilBase
@@ -65,11 +66,13 @@ class SfpUtil(SfpUtilBase):
         SfpUtilBase.__init__(self)
 
     def update_port_info(self):
+        def qsfp_max_port_get(client):
+            return client.pltfm_mgr.pltfm_mgr_qsfp_get_max_port();
+
         if self.QSFP_PORT_END == 0:
-            with ThriftClient() as client:
-                self.QSFP_PORT_END = client.pltfm_mgr.pltfm_mgr_qsfp_get_max_port();
-                self.PORT_END = self.QSFP_PORT_END
-                self.PORTS_IN_BLOCK = self.QSFP_PORT_END
+            self.QSFP_PORT_END = thrift_try(qsfp_max_port_get)
+            self.PORT_END = self.QSFP_PORT_END
+            self.PORTS_IN_BLOCK = self.QSFP_PORT_END
 
     def get_presence(self, port_num):
         # Check for invalid port_num
@@ -78,9 +81,11 @@ class SfpUtil(SfpUtilBase):
 
         presence = False
 
+        def qsfp_presence_get(client):
+            return client.pltfm_mgr.pltfm_mgr_qsfp_presence_get(port_num)
+
         try:
-            with ThriftClient() as client:
-                presence = client.pltfm_mgr.pltfm_mgr_qsfp_presence_get(port_num)
+            presence = thrift_try(qsfp_presence_get)
         except Exception as e:
             print e.__doc__
             print e.message
@@ -92,8 +97,11 @@ class SfpUtil(SfpUtilBase):
         if port_num < self.port_start or port_num > self.port_end:
             return False
 
-        with ThriftClient() as client:
-            lpmode = client.pltfm_mgr.pltfm_mgr_qsfp_lpmode_get(port_num)
+        def qsfp_lpmode_get(client):
+            return client.pltfm_mgr.pltfm_mgr_qsfp_lpmode_get(port_num)
+
+        lpmode = thrift_try(qsfp_lpmode_get)
+
         return lpmode
 
     def set_low_power_mode(self, port_num, lpmode):
@@ -101,8 +109,11 @@ class SfpUtil(SfpUtilBase):
         if port_num < self.port_start or port_num > self.port_end:
             return False
 
-        with ThriftClient() as client:
-            status = client.pltfm_mgr.pltfm_mgr_qsfp_lpmode_set(port_num, lpmode)
+        def qsfp_lpmode_set(client):
+            return client.pltfm_mgr.pltfm_mgr_qsfp_lpmode_set(port_num, lpmode)
+
+        status = thrift_try(qsfp_lpmode_set)
+
         return (status == 0)
 
     def reset(self, port_num):
@@ -110,9 +121,12 @@ class SfpUtil(SfpUtilBase):
         if port_num < self.port_start or port_num > self.port_end:
             return False
 
-        with ThriftClient() as client:
+        def qsfp_reset(client):
             client.pltfm_mgr.pltfm_mgr_qsfp_reset(port_num, True)
-            status = client.pltfm_mgr.pltfm_mgr_qsfp_reset(port_num, False)
+            return client.pltfm_mgr.pltfm_mgr_qsfp_reset(port_num, False)
+
+        status = thrift_try(qsfp_reset)
+
         return status
 
     def check_transceiver_change(self):
@@ -188,15 +202,16 @@ class SfpUtil(SfpUtilBase):
     def _get_port_eeprom_path(self, port_num, devid):
         eeprom_path = None
 
-        with ThriftClient() as client:
-            presence = client.pltfm_mgr.pltfm_mgr_qsfp_presence_get(port_num)
-            if presence == True:
-                eeprom_cache = open(SFP_EEPROM_CACHE, 'wb')
-                eeprom_hex = client.pltfm_mgr.pltfm_mgr_qsfp_info_get(port_num)
-                eeprom_raw = bytearray.fromhex(eeprom_hex)
-                eeprom_cache.write(eeprom_raw)
-                eeprom_cache.close()
-                eeprom_path = SFP_EEPROM_CACHE
+        def qsfp_info_get(client):
+            return client.pltfm_mgr.pltfm_mgr_qsfp_info_get(port_num)
+
+        if self.get_presence(port_num):
+            eeprom_hex = thrift_try(qsfp_info_get)
+            eeprom_cache = open(SFP_EEPROM_CACHE, 'wb')
+            eeprom_raw = bytearray.fromhex(eeprom_hex)
+            eeprom_cache.write(eeprom_raw)
+            eeprom_cache.close()
+            eeprom_path = SFP_EEPROM_CACHE
 
         return eeprom_path
 

platform/barefoot/sonic-platform-modules-bfn/debian/rules

@@ -20,8 +20,6 @@ override_dh_auto_install:
 	cp -r $(SCRIPT_SRC)/* debian/$(PACKAGE_NAME)/usr/local/bin
 	dh_installdirs -p$(PACKAGE_NAME) etc/network/interfaces.d/
 	cp -r $(CONFIGS_SRC)/network/interfaces.d/* debian/$(PACKAGE_NAME)/etc/network/interfaces.d/
-	dh_installdirs -p$(PACKAGE_NAME) usr/share/sonic/platform/
-	cp -r $(WHEEL_BUILD_DIR)/*  debian/$(PACKAGE_NAME)/usr/share/sonic/platform/
 
 override_dh_usrlocal: