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Merge pull request #1 from Azure/master
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61 changes: 61 additions & 0 deletions
61
device/accton/x86_64-accton_as5712_54x-r0/plugins/psuutil.py
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| #!/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: "57-0038", | ||
| 2: "58-003b", | ||
| } | ||
|
|
||
| def get_num_psus(self): | ||
| return len(self.psu_mapping) | ||
|
|
||
| def get_psu_status(self, index): | ||
| if index is None: | ||
| return False | ||
|
|
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| 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 | ||
|
|
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| return status == 1 | ||
|
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| def get_psu_presence(self, index): | ||
| if index is None: | ||
| return False | ||
|
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| 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 |
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