114 lines
2.2 KiB
Bash
114 lines
2.2 KiB
Bash
#!/bin/bash
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#
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# heartbeat survaillance
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# script
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#
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# **** config section ****
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author="david@socialnerds.org"
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version="0.1"
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sourcefile="/etc/hosts"
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excludes="127.0.0.1 127.0.1.1 ::1 fe00::0 ff00::0 ff02::1 ff02::2 ff02::3"
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options="-n -c 5 -i 0.2 -W 1"
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maxloss="20%"
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log2stdout="1"
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logwhat="mbots_heartbeat"
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configfile="/etc/mbots/mbots.conf"
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giturl="git://git.aec.at/mbots.git"
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# **** preflight ****
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#read configfile
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if [ -r $configfile ]; then
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source $configfile
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else
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echo "ERROR: configfile not found. terminating."
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exit 1
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fi
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#load bashlib
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if [ -d $bashlibpath ]; then
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source $bashlibpath/main
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source $bashlibpath/logengine
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log debug "preflight - logengine loaded"
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else
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echo "ERROR: bashlib not found. terminating."
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exit 1
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fi
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# **** function definition ****
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check()
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{
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local ip=$1
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echo $ip | grep ":" &> /dev/null
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local isv4=$?
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if [ $isv4 = "1" ]; then
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# run ipv4 ping
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local value=$(ping $options $ip | grep -o -e "[0-9]*%")
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elif [ $isv4 = "0" ]; then
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# run ipv6 ping
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local value=$(ping6 $options $ip | grep -o -e "[0-9]*%")
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fi
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if [ ${value:0:$((${#value}-1))} -gt ${maxloss:0:$((${#maxloss}-1))} ]; then
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log error "not able to reach $(echo $line | awk '{print $2}') at $ip"
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fi
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}
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# **** start of script ****
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# set linecount to 1
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linecount="1"
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# read line by line of $sourcefile
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while read line; do
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#get first letter of line
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fletter=${line:0:1}
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if [ -z $fletter ]; then
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#skip line, it's empty
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:
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elif [ $fletter = "#" ]; then
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#skip line, it's a comment
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:
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else
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#exclusion of $excludes
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excluded="0"
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for var in $excludes; do
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#check if ip is excluded
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if [ $(echo $line | awk '{print $1}') = $var ]; then
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excluded="1"
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break
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fi
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done
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#run check function for ip if not excluded
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if [ $excluded = "1" ]; then
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continue
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else
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#run actual ping
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check "$(echo $line | awk '{print $1}')"
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fi
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fi
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#count lines
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let linecount++
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done < $sourcefile
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exit 0
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# **** end of script ****
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