49 lines
1.4 KiB
Python
49 lines
1.4 KiB
Python
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#!/usr/bin/python3
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import sys
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with open('/proc/meminfo', 'r') as f:
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lines = f.read().splitlines()
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mem = {x.split(':',1)[0] : int( x.split(':',1)[1].replace('kB', '').lstrip().rstrip() ) for x in lines}
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mem['MemUsed'] = mem['MemTotal'] - mem['MemFree'] - mem ['Cached'] - mem['SReclaimable'] - mem['Buffers']
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mem['SwapUsed'] = mem['SwapTotal'] - mem['SwapFree']
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mem['OverallUsed'] = mem['MemUsed'] + mem['SwapUsed']
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ratio = float(mem['OverallUsed']) / float(mem['MemTotal']) * 100.0
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#print('MemTotal: %8.2f MB' % (mem['MemTotal']/1024) )
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#print('OverallUsed: %8.2f MB' % (mem['OverallUsed']/1024) )
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#print('Ratio: %8.2f %%' % ratio )
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#print('MemUsed: %8.2f MB' % (mem['MemUsed']/1024) )
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#print('SwapUsed: %8.2f MB' % (mem['SwapUsed']/1024) )
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out = 'MemRatio: %.1f%% of %.1fGB RAM (%.1fGB Swap)' % ( ratio, (mem['MemTotal']/1024.0/1024.0), (mem['SwapTotal']/1024.0/1024.0) )
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if ratio > 150.0:
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exitcode = 2
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exitstr = 'CRITICAL'
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elif ratio > 100.0:
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exitcode = 1
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exitstr = 'WARNING'
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else:
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exitcode = 0
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exitstr = 'OK'
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multiout = []
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for label in ['MemTotal', 'OverallUsed', 'MemUsed', 'SwapTotal', 'SwapUsed']:
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multiout.append('%s: %.4fGB' % (label, float(mem[label])/1024.0/1024.0))
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perfdata = []
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for label in ['MemTotal', 'OverallUsed', 'MemUsed', 'SwapTotal', 'SwapUsed']:
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perfdata.append('%s=%dB;;;;' % (label, mem[label]*1024) )
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print(exitstr + ' ' + out + '|' + ' '.join(perfdata))
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print('\n'.join(multiout))
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sys.exit(exitcode)
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