21 lines
874 B
Bash
21 lines
874 B
Bash
#!/bin/bash
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# Requires vnstat to be running on target system
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# initial values
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# Note comcast caps at 1.2 TB
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mtotal=1000 # Monthly warning threshold
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dmax=40 # daily max usage value, trouble might arise if I go past 40 GB a day
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md=`date +%d` # day of the month numerically
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cmd=$(($dmax * $md)) # computed max daily, not hard value but can indicate a problem
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wif="eth1.2" # interface to ask vnstat for, in my case the default wan vlan in Openwrt
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# now vnstat stuff, some of this is specific to openwrt
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vnhourly=`vnstat -i $wif -d -s --oneline | awk -F\; '{print $6}'` # total daily usage
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vnmonthly=`vnstat -i $wif -d -s --oneline | awk -F\; '{print $11}'` # monthly total usage
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logger "dom $md cm $cmd vnhourly $vnhourly vnmonthly $vnmonthly"; # Remeber the local syslog on OpenWrt is setup to log to a remote system
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# therefore this is a lazy way to send the data out
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