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36 lines
704 B
Bash
Executable File
36 lines
704 B
Bash
Executable File
#!/bin/sh
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# munin plugin to show number of online network hosts on a subnet (needs fping)
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# link with subnet name as suffix like _192.168.1
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# (c) 2011 jon@jon.bpa.nu
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#%# family=auto
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#%# capabilities=autoconf
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SUBNET=`echo $0 | cut -d'_' -f3`
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TIMEOUT=50 # ms
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RETRIES=0
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case $1 in
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config)
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cat <<CFG
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graph_title hosts on network
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graph_vlabel hosts
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graph_category network
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hosts.label hosts
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CFG
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exit 0;;
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autoconf)
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fping -h 2>/dev/null
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if [ $? -eq 127 ]; then
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echo "no (fping not present)"
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exit 1
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fi
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echo yes
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exit 0;;
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esac
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if [ $SUBNET != "" ]; then
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echo "hosts.value `fping -t $TIMEOUT -r $RETRIES -ga \"$SUBNET.0/24\" 2>/dev/null | wc -l`"
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else
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echo "could not get subnet name ($SUBNET)"
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fi
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