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Run a lot of pings in parallel
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| #!/bin/bash | |
| ############################ | |
| ## Methods | |
| ############################ | |
| prefix_to_bit_netmask() { | |
| prefix=$1; | |
| shift=$(( 32 - prefix )); | |
| bitmask="" | |
| for (( i=0; i < 32; i++ )); do | |
| num=0 | |
| if [ $i -lt $prefix ]; then | |
| num=1 | |
| fi | |
| space= | |
| if [ $(( i % 8 )) -eq 0 ]; then | |
| space=" "; | |
| fi | |
| bitmask="${bitmask}${space}${num}" | |
| done | |
| echo $bitmask | |
| } | |
| bit_netmask_to_wildcard_netmask() { | |
| bitmask=$1; | |
| wildcard_mask= | |
| for octet in $bitmask; do | |
| wildcard_mask="${wildcard_mask} $(( 255 - 2#$octet ))" | |
| done | |
| echo $wildcard_mask; | |
| } | |
| ####################### | |
| ## MAIN | |
| ####################### | |
| lines=$@ | |
| for ip in ${lines[@]}; do | |
| net=$(echo $ip | cut -d '/' -f 1); | |
| prefix=$(echo $ip | cut -d '/' -f 2); | |
| bit_netmask=$(prefix_to_bit_netmask $prefix); | |
| wildcard_mask=$(bit_netmask_to_wildcard_netmask "$bit_netmask"); | |
| str= | |
| for (( i = 1; i <= 4; i++ )); do | |
| range=$(echo $net | cut -d '.' -f $i) | |
| mask_octet=$(echo $wildcard_mask | cut -d ' ' -f $i) | |
| if [ $mask_octet -gt 0 ]; then | |
| range="{$range..$(( $range | $mask_octet ))}"; | |
| fi | |
| str="${str} $range" | |
| done | |
| ips=$(echo $str | sed "s, ,\\.,g"); ## replace spaces with periods, a join... | |
| eval echo $ips | |
| done |
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| #!/bin/bash | |
| log_file=$(mktemp "/tmp/pingchecker_XXXXX.log") | |
| function catch_exit() | |
| { | |
| if [ -f ${log_file} ] | |
| then | |
| rm ${log_file} | |
| fi | |
| } | |
| trap catch_exit EXIT | |
| ## array maken met alle te checken servers... | |
| if [ "$#" -eq 0 ] | |
| then | |
| echo "No IPs given as arguments..." | |
| exit | |
| else | |
| servers=("$@") | |
| for element in $(seq 0 $((${#servers[@]} - 1))) | |
| do | |
| cur="${servers[$element]}" | |
| ## -h || --help : show help | |
| if [ "$cur" == "-h" ] || [ "$cur" == "--help" ] | |
| then | |
| echo "options:" | |
| echo " -h|--help this help message" | |
| echo " -q|-s only give number of OK/NOK (summary)" | |
| echo " --OK-count only give number of OK" | |
| echo " --OK|-OK only list pingable IP's" | |
| echo " --slow wait 0.01s between pings" | |
| exit | |
| fi | |
| ## -q || -s : only give nr OK/NOK | |
| if [ "$cur" == "-q" ] || [ "$cur" == "-s" ] | |
| then | |
| quiet="TRUE" | |
| unset servers[$element] | |
| fi | |
| ## --OK : only return a list of pingable ip's | |
| if [ "$cur" == "--OK" ] || [ "$cur" == "-OK" ] | |
| then | |
| quiet="TRUE" | |
| only_OK="TRUE" | |
| unset servers[$element] | |
| fi | |
| ## --OK-count : only return a list of pingable ip's | |
| if [ "$cur" == "--OK-count" ] | |
| then | |
| quiet="TRUE" | |
| only_OK_count="TRUE" | |
| unset servers[$element] | |
| fi | |
| # --slow : wait 0.01s between pings | |
| if [ "$cur" == "--slow" ] | |
| then | |
| slow="TRUE" | |
| unset servers[$element] | |
| fi | |
| done | |
| ## reindex the array | |
| servers=("${servers[@]}") | |
| fi | |
| ## ----------------------------------------- ## | |
| if [ "${quiet}" != "TRUE" ] | |
| then | |
| echo "Ping Checker [ $(date --rfc-3339=seconds) ]" | |
| fi | |
| function getHostPing | |
| { | |
| hostname=$1 | |
| cur_name=`printf "%-19s" $hostname` | |
| result=$(ping -c1 -w15 $hostname) | |
| result_status=$? | |
| if [ "$result_status" == "0" ]; then | |
| echo "$cur_name (OK)" >> $log_file | |
| else | |
| echo "$cur_name (NOK)" >> $log_file | |
| fi | |
| } | |
| echo -n "" > $log_file | |
| for element in $(seq 0 $((${#servers[@]} - 1))) | |
| do | |
| cur="${servers[$element]}" | |
| if [[ $cur == */* ]]; then | |
| for curr in $(./__cidr-to-ip.sh "$cur"); do | |
| getHostPing $curr & | |
| let i++ | |
| if [ "${slow}" == "TRUE" ] | |
| then | |
| sleep 0.01 | |
| fi | |
| done | |
| else | |
| getHostPing $cur & | |
| let i++ | |
| if [ "${slow}" == "TRUE" ] | |
| then | |
| sleep 0.01 | |
| fi | |
| fi | |
| done | |
| if [ "${quiet}" != "TRUE" ] | |
| then | |
| echo "totaal aantal: $i" | |
| fi | |
| while true | |
| do | |
| lines=$(wc -l $log_file|cut -d" " -f1) | |
| if [ "$lines" != "$oldlines" ] | |
| then | |
| if [ "${quiet}" != "TRUE" ] | |
| then | |
| echo -n "$lines" | |
| fi | |
| oldlines=$lines | |
| fi | |
| if [ "$lines" == "$i" ] | |
| then | |
| if [ "${quiet}" != "TRUE" ] | |
| then | |
| echo "" | |
| fi | |
| break | |
| fi | |
| let try++ | |
| if [ "$try" -gt "70" ] | |
| then | |
| if [ "${quiet}" != "TRUE" ] | |
| then | |
| echo "FAIL" | |
| fi | |
| break | |
| fi | |
| if [ "${quiet}" != "TRUE" ] | |
| then | |
| echo -n "." | |
| fi | |
| if [ "$try" -gt "60" ]; then | |
| if [ "${slow}" == "TRUE" ] | |
| then | |
| sleep 3.0 | |
| else | |
| sleep 1.0 | |
| fi | |
| elif [ "$try" -gt "50" ]; then | |
| sleep 0.8 | |
| elif [ "$try" -gt "40" ]; then | |
| sleep 0.4 | |
| elif [ "$try" -gt "30" ]; then | |
| sleep 0.2 | |
| elif [ "$try" -gt "20" ]; then | |
| sleep 0.1 | |
| else | |
| sleep 0.02 | |
| fi | |
| done | |
| if [ "${quiet}" != "TRUE" ] | |
| then | |
| tail -n$i $log_file | sort -t . -k 1,1n -k 2,2n -k 3,3n -k 4,4n | |
| fi | |
| if [ "${only_OK}" == "TRUE" ] | |
| then | |
| tail -n$i $log_file | sort -t . -k 1,1n -k 2,2n -k 3,3n -k 4,4n | grep '(OK)' | awk '{ printf $1 " " }' | |
| fi | |
| if [ "${only_OK_count}" == "TRUE" ] | |
| then | |
| tail -n$i $log_file | sort -t . -k 1,1n -k 2,2n -k 3,3n -k 4,4n | grep '(OK)' | wc -l | |
| fi | |
| for element in $(seq 0 $((${#servers[@]} - 1))) | |
| do | |
| cur="${servers[$element]}" | |
| # check $cur in $log_file | |
| if [[ $cur == */* ]]; then | |
| for curr in $(./__cidr-to-ip.sh "$cur"); do | |
| if [ "$(cat $log_file|grep $curr)" == "" ]; then | |
| cur_name=`printf "%-19s" $curr` | |
| echo "x $cur_name failed" | |
| fi | |
| done | |
| else | |
| if [ "$(cat $log_file|grep $cur)" == "" ]; then | |
| cur_name=`printf "%-19s" $cur` | |
| echo "y $cur_name failed" | |
| fi | |
| fi | |
| done | |
| if [ "$quiet" != "TRUE" ] | |
| then | |
| echo "" | |
| fi | |
| if [ "${only_OK}" != "TRUE" ] && [ "${only_OK_count}" != "TRUE" ] | |
| then | |
| if [ "$(cat $log_file|grep '(OK)'|wc -l)" != "0" ]; then | |
| echo "(OK) $(cat $log_file|grep '(OK)'|wc -l)" | |
| fi | |
| if [ "$(cat $log_file|grep '(NOK)'|wc -l)" != "0" ]; then | |
| echo "(NOK) $(cat $log_file|grep '(NOK)'|wc -l)" | |
| fi | |
| fi |
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