sonic-buildimage/device/juniper/x86_64-juniper_qfx5210-r0/plugins/psuutil.py
ciju-juniper fdcb69d048 [devices]: Adding platform support for Juniper QFX5210 (#3270)
This switch has 64 QSFP28 (40G/100G) ports, 2 SFP+ (1G/10G) ports
on Broadcom Tomahawk II chipset. CPU used in QFX5210-64C-S is
Intel Broadwell-DE. The machine has Redundant and hot-swappable
Power Supply (1+1) and also has Redundant and hot swappable fans (3+1).

Signed-off-by: Ciju Rajan K <crajank@juniper.net>
2019-09-06 07:52:45 -07:00

62 lines
1.6 KiB
Python
Executable File

#!/usr/bin/env python
#############################################################################
# Accton
#
# Module contains an implementation of SONiC PSU Base API and
# provides the PSUs status which are available in the platform
#
#############################################################################
import os.path
try:
from sonic_psu.psu_base import PsuBase
except ImportError as e:
raise ImportError (str(e) + "- required module not found")
class PsuUtil(PsuBase):
"""Platform-specific PSUutil class"""
def __init__(self):
PsuBase.__init__(self)
self.psu_path = "/sys/bus/i2c/devices/"
self.psu_presence = "/psu_present"
self.psu_oper_status = "/psu_power_good"
self.psu_mapping = {
1: "10-0053",
2: "9-0050",
}
def get_num_psus(self):
return len(self.psu_mapping)
def get_psu_status(self, index):
if index is None:
return False
status = 0
node = self.psu_path + self.psu_mapping[index]+self.psu_oper_status
try:
with open(node, 'r') as power_status:
status = int(power_status.read())
except IOError:
return False
return status == 1
def get_psu_presence(self, index):
if index is None:
return False
status = 0
node = self.psu_path + self.psu_mapping[index] + self.psu_presence
try:
with open(node, 'r') as presence_status:
status = int(presence_status.read())
except IOError:
return False
return status == 1