BFN platform API 2.0 support (#4766)

Added barefoot platform api 2.0 support

Signed-off-by: Volodymyr Boyko <[email protected]>

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

@@ -1,25 +1,36 @@
 #!/usr/bin/make -f
 
+PLATFORM = x86_64-accton_wedge100bf_32x-r0
 PACKAGE_NAME := sonic-platform-modules-bfn-montara
 SCRIPT_SRC := $(shell pwd)/scripts
 CONFIGS_SRC := $(shell pwd)/configs
+BUILD_DIR := $(shell pwd)/build
+WHEEL_BUILD_DIR := $(BUILD_DIR)/wheel
 PLUGINS_DIR := $(shell pwd)/plugins
 
 %:
 	dh $@
 
+override_dh_auto_build:
+	set -e
+	python2.7 setup.py bdist_wheel -d $(WHEEL_BUILD_DIR)
+	python3 setup.py bdist_wheel -d $(WHEEL_BUILD_DIR)
+	set +e
+
 override_dh_auto_install:
 	dh_installdirs -p$(PACKAGE_NAME) usr/local/bin
 	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/x86_64-accton_wedge100bf_32x-r0/plugins
-	cp -r $(PLUGINS_DIR)/*  debian/$(PACKAGE_NAME)/usr/share/sonic/device/x86_64-accton_wedge100bf_32x-r0/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:
 
-override_dh_pysupport:
-
 override_dh_clean:
+	rm -fr $(WHEEL_BUILD_DIR)
+	rm -fr *.egg-info
+	rm -fr $(BUILD)
 	dh_clean
-

platform/barefoot/sonic-platform-modules-bfn-montara/setup.py

@@ -0,0 +1,31 @@
+from setuptools import setup
+
+setup(
+    name='sonic-platform',
+    version='1.0',
+    description='SONiC platform API implementation',
+    license='Apache 2.0',
+    author='SONiC Team',
+    author_email='',
+    url='https://github.com/Azure/sonic-buildimage',
+    maintainer='Barefoot',
+    maintainer_email='',
+    packages=[
+        'sonic_platform',
+        'sonic_platform/pltfm_mgr_rpc'
+    ],
+    package_data = {'sonic_platform':['logging.conf']},
+    classifiers=[
+        'Development Status :: 3 - Alpha',
+        'Environment :: Plugins',
+        'Intended Audience :: Developers',
+        'Intended Audience :: Information Technology',
+        'Intended Audience :: System Administrators',
+        'License :: OSI Approved :: Apache Software License',
+        'Natural Language :: English',
+        'Operating System :: POSIX :: Linux',
+        'Programming Language :: Python :: 2.7',
+        'Topic :: Utilities',
+    ],
+    keywords='sonic SONiC platform PLATFORM',
+)

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

@@ -0,0 +1,2 @@
+__all__ = ['chassis', 'eeprom', 'platform', 'psu', 'sfp']
+import platform

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

@@ -0,0 +1,126 @@
+#!/usr/bin/env python
+
+try:
+    from sonic_platform_base.chassis_base import ChassisBase
+    from sonic_platform.sfp import Sfp
+    from sonic_platform.psu import Psu
+    from eeprom import Eeprom
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+
+class Chassis(ChassisBase):
+    """
+    Platform-specific Chassis class
+    """
+    def __init__(self):
+        ChassisBase.__init__(self)
+        SFP_PORT_END = Sfp.port_end()
+        PORTS_IN_BLOCK = (SFP_PORT_END + 1)
+        MAX_PSU = Psu.get_num_psus()
+
+        self._eeprom = Eeprom()
+
+        for index in range(0, PORTS_IN_BLOCK):
+            sfp_node = Sfp(index)
+            self._sfp_list.append(sfp_node)
+
+        for i in range(MAX_PSU):
+            psu = Psu(i)
+            self._psu_list.append(psu)
+
+    def get_name(self):
+        """
+        Retrieves the name of the chassis
+        Returns:
+            string: The name of the chassis
+        """
+        return self._eeprom.modelstr()
+
+    def get_presence(self):
+        """
+        Retrieves the presence of the chassis
+        Returns:
+            bool: True if chassis is present, False if not
+        """
+        return True
+
+    def get_model(self):
+        """
+        Retrieves the model number (or part number) of the chassis
+        Returns:
+            string: Model/part number of chassis
+        """
+        return self._eeprom.part_number_str()
+
+    def get_serial(self):
+        """
+        Retrieves the serial number of the chassis (Service tag)
+        Returns:
+            string: Serial number of chassis
+        """
+        return self._eeprom.serial_str()
+
+    def get_sfp(self, index):
+        """
+        Retrieves sfp represented by (1-based) index <index>
+
+        Args:
+            index: An integer, the index (1-based) of the sfp to retrieve.
+                   The index should be the sequence of a physical port in a chassis,
+                   starting from 1.
+                   For example, 0 for Ethernet0, 1 for Ethernet4 and so on.
+
+        Returns:
+            An object dervied from SfpBase representing the specified sfp
+        """
+        sfp = None
+
+        try:
+            sfp = self._sfp_list[index-1]
+        except IndexError:
+            sys.stderr.write("SFP index {} out of range (1-{})\n".format(
+                             index, len(self._sfp_list)-1))
+        return sfp
+
+    def get_status(self):
+        """
+        Retrieves the operational status of the chassis
+        Returns:
+            bool: A boolean value, True if chassis is operating properly
+            False if not
+        """
+        return True
+
+    def get_base_mac(self):
+        """
+        Retrieves the base MAC address for the chassis
+
+        Returns:
+            A string containing the MAC address in the format
+            'XX:XX:XX:XX:XX:XX'
+        """
+        return self._eeprom.base_mac_addr()
+
+    def get_serial_number(self):
+        """
+        Retrieves the hardware serial number for the chassis
+
+        Returns:
+            A string containing the hardware serial number for this chassis.
+        """
+        return self._eeprom.serial_number_str()
+
+    def get_system_eeprom_info(self):
+        """
+        Retrieves the full content of system EEPROM information for the chassis
+
+        Returns:
+            A dictionary where keys are the type code defined in
+            OCP ONIE TlvInfo EEPROM format and values are their corresponding
+            values.
+        """
+        return self._eeprom.system_eeprom_info()
+
+    def get_change_event(self, timeout=0):
+        ready, event_sfp = Sfp.get_transceiver_change_event(timeout)
+        return ready, { 'sfp': event_sfp } if ready else {}

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

@@ -0,0 +1,151 @@
+#!/usr/bin/python
+
+
+try:
+    import time
+    import os
+    import sys
+    import errno
+    import datetime
+    import logging
+    import logging.config
+    import yaml
+
+    sys.path.append(os.path.dirname(__file__))
+
+    from cStringIO import StringIO
+    from sonic_eeprom import eeprom_base
+    from sonic_eeprom import eeprom_tlvinfo
+
+    from .platform_thrift_client import ThriftClient
+except ImportError, e:
+    raise ImportError (str(e) + "- required module not found")
+
+
+eeprom_default_dict = {
+	"prod_name"         : ("Product Name",                "0x21", 12),
+	"odm_pcba_part_num" : ("Part Number",                 "0x22", 13),
+	"prod_ser_num"      : ("Serial Number",               "0x23", 12),
+	"ext_mac_addr"      : ("Extended MAC Address Base",   "0x24", 12),
+	"sys_mfg_date"      : ("System Manufacturing Date",   "0x25",  4),
+	"prod_ver"          : ("Product Version",             "0x26",  1),
+	"ext_mac_addr_size" : ("Extende MAC Address Size",    "0x2A",  2),
+	"sys_mfger"         : ("Manufacturer",                "0x2B",  8)
+}
+
+eeprom_dict = { "version"           : ("Version",                     None,    0),
+		"pcb_mfger"         : ("PCB Manufacturer",            "0x01",  8),
+		"prod_ser_num"      : ("Serial Number",               "0x23", 12),
+		"bfn_pcba_part_num" : ("Switch PCBA Part Number",     "0x02", 12),
+		"odm_pcba_part_num" : ("Part Number",                 "0x22", 13),
+		"bfn_pcbb_part_num" : ("Switch PCBB Part Number",     "0x04", 12),
+		"sys_asm_part_num"  : ("System Assembly Part Number", "0x05", 12),
+		"prod_state"        : ("Product Production State",    "0x06",  1),
+		"location"          : ("EEPROM Location of Fabric",   "0x07",  8),
+		"ext_mac_addr_size" : ("Extende MAC Address Size",    "0x08",  2),
+		"sys_mfg_date"      : ("System Manufacturing Date",   "0x25",  4),
+		"prod_name"         : ("Product Name",                "0x21", 12),
+		"prod_ver"          : ("Product Version",             "0x26",  1),
+		"prod_part_num"     : ("Product Part Number",         "0x09",  8),
+		"sys_mfger"         : ("Manufacturer",                "0x2B",  8),
+		"assembled_at"      : ("Assembled at",                "0x08",  8),
+		"prod_ast_tag"      : ("Product Asset Tag",           "0x09", 12),
+		"loc_mac_addr"      : ("Local MAC address",           "0x0A", 12),
+		"odm_pcba_ser_num"  : ("ODM PBCA Serial Number",      "0x0B", 12),
+		"ext_mac_addr"      : ("Extended MAC Address Base",   "0x0C", 12),
+		"prod_sub_ver"      : ("Product Sub Version",         "0x0D",  1)
+              }
+
+product_dict = { "Montara"   : "Wedge100BF-32X-O-AC-F-BF",
+                 "Lower MAV" : "Wedge100BF-65X-O-AC-F-BF",
+                 "Upper MAV" : "Wedge100BF-65X-O-AC-F-BF"
+               }
+
+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:
+            config_dict = yaml.load(f, yaml.SafeLoader)
+            logging.config.dictConfig(config_dict)
+
+        if not os.path.exists(os.path.dirname(EEPROM_SYMLINK)):
+            try:
+                os.makedirs(os.path.dirname(EEPROM_SYMLINK))
+            except OSError as e:
+                if e.errno != errno.EEXIST:
+                    raise
+
+        open(EEPROM_SYMLINK, 'a').close()
+        f = open(EEPROM_STATUS, 'w')
+        f.write("initializing..")
+        f.close()
+
+        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):
+        try:
+            with ThriftClient() as client:
+                self.eeprom = client.pltfm_mgr.pltfm_mgr_sys_eeprom_get()
+        except Exception:
+            return False
+
+        f = open(EEPROM_STATUS, 'w')
+        f.write("ok")
+        f.close()
+
+        eeprom_params = ""
+        for attr, val in self.eeprom.__dict__.iteritems():
+            if val is None:
+                continue
+
+            elem = eeprom_default_dict.get(attr)
+            if elem is None:
+                continue
+
+            if isinstance(val, basestring):
+                value = val.replace('\0', '')
+            else:
+                value = str(val)
+
+            if attr == "sys_mfg_date":
+                value = datetime.datetime.strptime(value, '%m-%d-%y').strftime('%m/%d/%Y 00:00:00')
+
+            product = product_dict.get(value)
+            if product is not None:
+                value = product
+            if len(eeprom_params) > 0:
+                eeprom_params += ","
+            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
+        eeprom_base.EepromDecoder.write_eeprom(self, new_e)
+
+        return True
+
+    def serial_number_str(self):
+        return self.eeprom.prod_ser_num
+
+    def system_eeprom_info(self):
+        return self.eeprom.__dict__
+
+    def get_base_mac(self):
+        return self.eeprom.ext_mac_addr
+
+    def part_number_str(self):
+        return self.eeprom.prod_part_num

platform/barefoot/sonic-platform-modules-bfn-montara/sonic_platform/logging.conf

@@ -0,0 +1,17 @@
+version: 1
+disable_existing_loggers: False
+
+formatters:
+  simple:
+    format: '%(asctime)s  %(name)-30s %(levelname)-7s %(message)s'
+
+handlers:
+    file:
+        class: logging.handlers.RotatingFileHandler
+        formatter: simple
+        filename: /var/log/platform.log
+
+root:
+    level: ERROR
+    handlers:
+        - file

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

@@ -0,0 +1,21 @@
+#!/usr/bin/env python
+
+#############################################################################
+#
+# Module contains an implementation of SONiC Platform Base API and
+# provides the platform information
+#
+#############################################################################
+
+try:
+    from sonic_platform_base.platform_base import PlatformBase
+    from sonic_platform.chassis import Chassis
+except ImportError as e:
+    raise ImportError(str(e) + "- required module not found")
+
+
+class Platform(PlatformBase):
+
+    def __init__(self):
+        PlatformBase.__init__(self)
+        self._chassis = Chassis()