271 lines
6.8 KiB
Python
271 lines
6.8 KiB
Python
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#
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# Sample pddf_psuutil file
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#
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# All the supported PSU SysFS aattributes are
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#- psu_present
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#- psu_model_name
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#- psu_power_good
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#- psu_mfr_id
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#- psu_serial_num
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#- psu_fan_dir
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#- psu_v_out
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#- psu_i_out
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#- psu_p_out
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#- psu_fan1_speed_rpm
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#
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import os.path
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import sys
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sys.path.append('/usr/share/sonic/platform/plugins')
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import pddfparse
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import json
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try:
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from sonic_psu.psu_base import PsuBase
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except ImportError as e:
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raise ImportError(str(e) + "- required module not found")
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class PsuUtil(PsuBase):
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"""PDDF generic PSU util class"""
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def __init__(self):
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PsuBase.__init__(self)
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global pddf_obj
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global plugin_data
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with open(os.path.join(os.path.dirname(os.path.realpath(__file__)) + '/../pddf/pd-plugin.json')) as pd:
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plugin_data = json.load(pd)
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pddf_obj = pddfparse.PddfParse()
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self.platform = pddf_obj.get_platform()
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def get_num_psus(self):
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return int(self.platform['num_psus'])
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def get_psu_status(self, index):
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if index is None:
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return False
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device = "PSU" + "%d" % index
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output = pddf_obj.get_attr_name_output(device, "psu_power_good")
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if not output:
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return False
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mode = output['mode']
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val = output['status']
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val = val.rstrip()
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vmap = plugin_data['PSU']['psu_power_good'][mode]['valmap']
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if val in vmap:
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return vmap[val]
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else:
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return False
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def get_psu_presence(self, index):
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if index is None:
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return False
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status = 0
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device = "PSU" + "%d" % index
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output = pddf_obj.get_attr_name_output(device, "psu_present")
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if not output:
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return False
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mode = output['mode']
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status = output['status']
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vmap = plugin_data['PSU']['psu_present'][mode]['valmap']
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if status.rstrip('\n') in vmap:
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return vmap[status.rstrip('\n')]
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else:
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return False
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def get_powergood_status(self, idx):
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if idx is None:
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return False
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if idx < 1 or idx > self.platform['num_psus']:
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print("Invalid index %d\n" % idx)
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return False
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device = "PSU"+"%d" % (idx)
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output = pddf_obj.get_attr_name_output(device, "psu_power_good")
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if not output:
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return False
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mode = output['mode']
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status = output['status']
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vmap = plugin_data['PSU']['psu_power_good'][mode]['valmap']
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if status.rstrip('\n') in vmap:
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return vmap[status.rstrip('\n')]
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else:
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return False
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def get_model(self, idx):
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if idx is None:
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return None
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if idx < 1 or idx > self.platform['num_psus']:
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print("Invalid index %d\n" % idx)
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return None
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device = "PSU"+"%d" % (idx)
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output = pddf_obj.get_attr_name_output(device, "psu_model_name")
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if not output:
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return None
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model = output['status']
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# strip_non_ascii
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stripped = (c for c in model if 0 < ord(c) < 127)
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model = ''.join(stripped)
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return model.rstrip('\n')
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def get_mfr_id(self, idx):
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if idx is None:
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return None
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if idx < 1 or idx > self.platform['num_psus']:
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print("Invalid index %d\n" % idx)
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return None
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device = "PSU"+"%d" % (idx)
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output = pddf_obj.get_attr_name_output(device, "psu_mfr_id")
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if not output:
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return None
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mfr = output['status']
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return mfr.rstrip('\n')
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def get_serial(self, idx):
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if idx is None:
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return None
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if idx < 1 or idx > self.platform['num_psus']:
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print("Invalid index %d\n" % idx)
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return None
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device = "PSU"+"%d" % (idx)
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output = pddf_obj.get_attr_name_output(device, "psu_serial_num")
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if not output:
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return None
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serial = output['status']
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return serial.rstrip('\n')
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def get_direction(self, idx):
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if idx is None:
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return None
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if idx < 1 or idx > self.platform['num_psus']:
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print("Invalid index %d\n" % idx)
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return None
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device = "PSU"+"%d" % (idx)
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output = pddf_obj.get_attr_name_output(device, "psu_fan_dir")
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if not output:
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return None
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mode = output['mode']
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direction = output['status'].rstrip('\n')
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vmap = plugin_data['PSU']['psu_fan_dir'][mode]['valmap']
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if direction in vmap:
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airflow_dir_real = vmap[direction]
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else:
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airflow_dir_real = direction
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return airflow_dir_real
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def get_output_voltage(self, idx):
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if idx is None:
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return 0.0
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if idx < 1 or idx > self.platform['num_psus']:
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print("Invalid index %d\n" % idx)
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return 0.0
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device = "PSU"+"%d" % (idx)
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output = pddf_obj.get_attr_name_output(device, "psu_v_out")
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if not output:
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return 0.0
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v_out = output['status']
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# value returned by the psu driver is in mV
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return float(v_out)/1000
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def get_output_current(self, idx):
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if idx is None:
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return 0.0
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if idx < 1 or idx > self.platform['num_psus']:
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print("Invalid index %d\n" % idx)
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return 0.0
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device = "PSU"+"%d" % (idx)
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output = pddf_obj.get_attr_name_output(device, "psu_i_out")
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if not output:
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return 0.0
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i_out = output['status']
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# current in mA
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return float(i_out)/1000
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def get_output_power(self, idx):
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if idx is None:
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return 0.0
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if idx < 1 or idx > self.platform['num_psus']:
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print("Invalid index %d\n" % idx)
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return 0.0
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device = "PSU"+"%d" % (idx)
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output = pddf_obj.get_attr_name_output(device, "psu_p_out")
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if not output:
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return 0.0
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p_out = output['status']
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# power is returned in micro watts
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return float(p_out)/1000000
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def get_fan_rpm(self, idx, fan_idx):
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if idx is None or fan_idx is None:
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return 0
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if idx < 1 or idx > self.platform['num_psus']:
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print("Invalid index %d\n" % idx)
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return 0
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device = "PSU"+"%d" % (idx)
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num_fans = pddf_obj.get_num_psu_fans(device)
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if fan_idx < 1 or fan_idx > num_fans:
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print("Invalid PSU-fan index %d\n" % fan_idx)
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return 0
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output = pddf_obj.get_attr_name_output(device, "psu_fan"+str(fan_idx)+"_speed_rpm")
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if not output:
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return 0
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#mode = output['mode']
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output['status'] = output['status'].rstrip()
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if output['status'].isalpha():
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return 0
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else:
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speed = int(output['status'])
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return speed
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def dump_sysfs(self):
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return pddf_obj.cli_dump_dsysfs('psu')
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