41 lines
1000 B
Python
Executable File
41 lines
1000 B
Python
Executable File
#!/bin/python3
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#
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import argparse
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import nagios
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import subprocess
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"""
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Bit Hex Value Meaning
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0 1 Under-voltage detected
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1 2 ARM frequency has been caped
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2 4 Currently throttled
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3 8 Soft temperature limit is active
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16 1000 Under-voltage has occurred
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17 2000 ARM frequency capping has occurred
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18 4000 Throttling has occurred
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19 8000 Soft temperature limit has occurred
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Bit16+ are resetted with a reboot (only)
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"""
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if __name__ == "__main__":
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throttled = subprocess.check_output(['vcgencmd', 'get_throttled']).decode('utf-8')
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try:
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tval = throttled[throttled.index('=')+1:]
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tval = int(tval, 16)
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except ValueError:
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tval = None
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else:
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tval &= 0x3fff # remove the values which are only resetted with a reboot
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#
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n = nagios.Nagios()
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#
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if tval is None:
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status = n.UNKNOWN
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elif tval & 0x1 != 0:
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status = n.ERROR
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else:
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status = n.OK
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#
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n.exit(status, f"Undervoltage state ({throttled})")
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