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Bash Server Ping Checking Script


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 PostPosted: Fri Sep 25, 2009 8:21 am   
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Joined: Sun May 15, 2005 9:36 pm
Posts: 667
Location: Des Moines, Iowa
Posted this on my blog yesterday, but thought i'd share it here too.
http://archlinux.me/crouse/2009/09/24/b ... ve-crouse/

I had alot of fun writing this little ping testing utility. It works/looks best if you have a color enabled terminal.
Could be easily modified to email you if the server failed. Anyway, just thought I’d share :)

Code:
#!/bin/bash
# Bash Server Ping Checking Script -written by Dave Crouse
# 09-24-2009 Crouse
# Pretty simple, add servers/ip's/Ln (line numbers) in the format shown in the two column examples.
# Tested with over 50 servers, worked for what I needed, thought i'd share :) ~~Crouse.

# Ideas  --- ad another array for Headers. so Hn could print headers with bold/etc. Might be neat.
declare -a Sn # Server Name
declare -a Ip # IP address of server.
declare -a Ln # Line number to display on in Row1.
declare -a Sn2 # Server Name                                                                                                       
declare -a Ip2 # IP address of server.                                                                                             
declare -a Ln2 # Line number to display on in Row2.
############################################################################### Server List Row 1
###############################################################################
Sn[1]="usalug.org"
Ip[1]="67.15.6.98"
Ln[1]="6"

Sn[2]="archlinux.me"
Ip[2]="208.92.232.122"
Ln[2]="7"
###############################################################################
###############################################################################

############################################################################### Server List Row 2
###############################################################################
Sn2[1]="usalug.org"
Ip2[1]="67.15.6.98"
Ln2[1]="6"

Sn2[2]="archlinux.me"
Ip2[2]="208.92.232.122"
Ln2[2]="7"
################################################################################                                                   
################################################################################                                                   
tput civis # Hide the cursor
maxcount=${#Sn[*]}  #should report number of Servers listed in Sn variable
maxcount2=${#Sn2[*]}  #should report number of Servers listed in Sn2 varialbe
clear
#tput setf 2; #echo -e '\e[1;33m'
echo " "
tput setf 0;tput setb 2;
echo "       Bash Server Ping Checking Utility           version 2.0         Crouse.   "; #tput rmso;

tput setf 7;  tput setb 0; # List out servers now.
     for (( loop=1; $loop < $maxcount+1; loop++ ))
     do
        ( tput cup ${Ln[$loop]} 10; echo "${Sn[$loop]}"; tput rc)
     done
     for (( loop2=1; $loop2 < $maxcount2+1; loop2++ ))
     do
        ( tput cup ${Ln2[$loop2]} 50; echo "${Sn[$loop2]}"; tput rc)
     done
# Set traps so when we exit the big loop stuff is normal again.
gracefulexit () {
tput cnorm;
tput setb 0;
echo "Stopping Application"
tput setf 2;
exit
}
trap gracefulexit INT TERM EXIT
# Begin big loop
while true
do
    #First Row
    for (( loop=1; $loop < $maxcount+1; loop++ ))
    do
        (tput sc ;tput setb 0; tput setf 0; tput cup 4 10 ;
        echo "........................................................................";tput rc)
        (tput sc ;tput setb 0; tput setf 6; tput cup 4 10 ;
        echo "Checking ${Sn[$loop]} at IP: ${Ip[$loop]}" ; tput rc)
        (tput sc ;tput setb 0; tput setf 0; tput cup ${Ln[$loop]} 1 ; echo "........." ; tput rc)
        (tput sc ;tput setb 0; tput setf 6; tput cup ${Ln[$loop]} 1 ; echo "TESTING" ; tput rc)
        count=$(ping -c 5 ${Ip[$loop]} | grep 'received' | awk -F',' '{ print $2 }' | awk '{ print $1 }')
        (tput sc ;tput setb 0; tput setf 0; tput cup ${Ln[$loop]} 1 ; echo "........." ; tput rc)
        if [[ "$count" == [45] ]]; then
            (tput sc ;tput setf 0; tput setb 2;tput cup ${Ln[$loop]} 5 ; echo " OK " ; tput rc)
        else
            if [[ "$count" == [123] ]]; then
                (tput sc ;tput setf 0; tput setb 6; tput cup ${Ln[$loop]} 4 ; echo "ALERT" ; tput rc)
        else       
                (tput sc ;tput setf 7; tput setb 4; tput cup ${Ln[$loop]} 2 ; echo "WARNING" ; tput rc)
            fi
        fi
    done
    #Second Row
    for (( loop2=1; $loop2 < $maxcount2+1; loop2++ ))
    do
        (tput sc ;tput setb 0; tput setf 0; tput cup 4 10 ;
        echo "........................................................................";tput rc)
        (tput sc ;tput setb 0; tput setf 6; tput cup 4 10 ;
        echo "Checking ${Sn2[$loop2]} at IP: ${Ip2[$loop2]}" ; tput rc)
        (tput sc ;tput setb 0; tput setf 0; tput cup ${Ln2[$loop2]} 41 ; echo "........." ; tput rc)
        (tput sc ;tput setb 0; tput setf 6; tput cup ${Ln2[$loop2]} 41 ; echo "TESTING" ; tput rc)
        count2=$(ping -c 5 ${Ip2[$loop2]} | grep 'received' | awk -F',' '{ print $2 }' | awk '{ print $1 }')
        (tput sc ;tput setb 0; tput setf 0; tput cup ${Ln2[$loop2]} 41 ; echo "........." ; tput rc)
        if [[ "$count2" == [45] ]]; then
            (tput sc ;tput setf 0; tput setb 2;tput cup ${Ln2[$loop2]} 45 ; echo " OK " ; tput rc)
        else
            if [[ "$count2" == [123] ]]; then
                (tput sc ;tput setf 0; tput setb 6; tput cup ${Ln2[$loop2]} 44 ; echo "ALERT" ; tput rc)
        else
                (tput sc ;tput setf 7; tput setb 4; tput cup ${Ln2[$loop2]} 42 ; echo "WARNING" ; tput rc)
            fi
        fi
    done
done


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