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{{tag>script route fping oracle cman}}
====== Check Routes ======

<sxh bash; title: check_routes.sh>
#!/bin/bash

#VAR_DEBUG="yes";
VAR_NUMOFPINGS="5";
VAR_MWIPS="";                                                                                                                                          
VAR_DB_HOSTS="dbhost1 dbhost2";                                                                                                                      
VAR_MW_HOSTS="mwhost1 mwhost2";                                                                                     
VAR_CMAN_HOSTS="cmanhost1 cmanhost2";                                                                                 
VAR_BATCH_HOSTS="batchhost1 batchhost2 batchhost3 batch4host";                                                                                                 
                                                                                                                                                       
                                                                                                                                                       
                                                                                                                                                       
#------------------------------------------------------------------------------                                                                        
# Funktion:     f_fping_host()                                                                                                                         
# Beschreibung: pingt Hosts und liefert Informationen über deren Erreichbarkeit                                                                        
# Return code:  0 - if all the hosts are reachable                                                                                                     
#               1 - if some hosts were unreachable                                                                                                     
#               2 - if any IP addresses were not found                                                                                                 
#               3 - for invalid command line arguments                                                                                                 
#               4 - for a system call failure                                                                                                          
#                                                                                                                                                      
# Parameter:    1: remote hostname to connect to via ssh                                                                                               
#               2: remote hostname to ping                                                                                                             
#------------------------------------------------------------------------------                                                                        
f_fping_host() {                                                                                                                                       
    # Variablen                                                                                                                                        
    local L_HOSTNAME="$1";                               # Der Variable L_HOSTNAME wird der Wert des ersten Arguments zugewiesen                       
    local L_REMOTEHOSTS="$2";                            # Der Variable L_REMOTEHOSTS wird der Wert des ersten Arguments zugewiesen                    
    local L_REPLY="";                                    # Die Variable L_REPLY wird initialisiert#                                                    
    local L_NUMOFPING="$VAR_NUMOFPINGS";                                                                                                               
    local L_RCONLY="";                                                                                                                                 
                                                                                                                                                       
    # Die Ausgabe von ssh wird unterdrückt. Hostkey- und Host-IP-Checking werden deaktiviert.                                                          
    # Auf dem Remote-System wird der Befehl "fping" ausgeführt.                                                                                        
    L_REPLY=$( ssh -q -o StrictHostKeyChecking=no -o CheckHostIP=no $L_HOSTNAME "sudo /usr/sbin/fping -c $L_NUMOFPING -u $L_REMOTEHOSTS"; echo $?);    
    L_RCONLY="$( echo -e "$L_REPLY" | tail -n 1 )";                                                                                                    
                                                                                                                                                       
    case "$L_RCONLY" in                                                                                                                                
        0)                                                                                                                                             
            echo "$(tput setab 2)$(tput setaf 7)$(tput bold)      $(tput sgr0)";                                                                       
                        echo "$(tput setab 2)$(tput setaf 7)$(tput bold)  OK  $(tput sgr0)";                                                           
                        echo "$(tput setab 2)$(tput setaf 7)$(tput bold)      $(tput sgr0)";                                                           
            ;;                                                                                                                                         
        1)                                                                                                                                             
            # sudo problem und aehnliches                                                                                                              
                        # if some hosts were unreachable                                                                                               
            echo "$(tput setab 1)$(tput setaf 7)$(tput bold)                               $(tput sgr0)";                                              
            echo "$(tput setab 1)$(tput setaf 7)$(tput bold)  some hosts were unreachable  $(tput sgr0)";                                              
            echo "$(tput setab 1)$(tput setaf 7)$(tput bold)                               $(tput sgr0)";                                              
            ;;                                                                                                                                         
        2)                                                                                                                                             
            # if any IP addresses were not found                                                                                                       
                        echo "$(tput setab 1)$(tput setaf 7)$(tput bold)                               $(tput sgr0)";                                  
            echo "$(tput setab 1)$(tput setaf 7)$(tput bold)  IP addresses were not found  $(tput sgr0)";                                              
            echo "$(tput setab 1)$(tput setaf 7)$(tput bold)                               $(tput sgr0)";                                              
            ;;                                                                                                                                         
        3)                                                                                                                                             
            # for invalid command line arguments                                                                                                       
            echo "$(tput setab 1)$(tput setaf 7)$(tput bold)                                  $(tput sgr0)";                                           
            echo "$(tput setab 1)$(tput setaf 7)$(tput bold)  invalid command line arguments  $(tput sgr0)";                                           
            echo "$(tput setab 1)$(tput setaf 7)$(tput bold)                                  $(tput sgr0)";                                           
            ;;                                                                                                                                         
        4)                                                                                                                                             
            # for a system call failure                                                                                                                
                        echo "$(tput setab 1)$(tput setaf 7)$(tput bold)                       $(tput sgr0)";                                          
            echo "$(tput setab 1)$(tput setaf 7)$(tput bold)  system call failure  $(tput sgr0)";                                                      
            echo "$(tput setab 1)$(tput setaf 7)$(tput bold)                       $(tput sgr0)";                                                      
            ;;                                                                                                                                         
        255)                                                                                                                                           
            # SSH Fehler                                                                                                                               
            echo "$(tput setab 1)$(tput setaf 7)$(tput bold)             $(tput sgr0)";                                                                
            echo "$(tput setab 1)$(tput setaf 7)$(tput bold)  SSH error  $(tput sgr0)";                                                                
            echo "$(tput setab 1)$(tput setaf 7)$(tput bold)             $(tput sgr0)";                                                                
                                                                                                                                                       
            ;;                                                                                                                                         
        *)                                                                                                                                             
                        # Something else went wrong                                                                                                    
            echo "$(tput setab 1)$(tput setaf 7)$(tput bold)                             $(tput sgr0)";                                                
            echo "$(tput setab 1)$(tput setaf 7)$(tput bold)  Something else went wrong  $(tput sgr0)";                                                
            echo "$(tput setab 1)$(tput setaf 7)$(tput bold)                             $(tput sgr0)";                                                
            echo "$L_REPLY";                                                                                                                           
            ;;                                                                                                                                         
    esac                                                                                                                                               
}                                                                                                                                                      
                                                                                                                                                       
                                                                                                                                                       
                                                                                                                                                       
echo "==============================================================================================================";                                 
echo "Ermitteln der IPs der DB-Interfaces auf den Middlewaresystemen";                                                                                 
echo "==============================================================================================================";                                 
for VAR_CNTR1 in $VAR_MW_HOSTS;                                                                                                                        
do
        echo "Ermittle DB-LAN-IP von ${VAR_CNTR1}"; VAR_REPLY1=$(ssh $VAR_CNTR1 "ip a"); VAR_MW_IPS+=$( grep -oh "inet 10\.10[2-5]\.0\.[0-9]\{1,3\}" <<< $VAR_REPLY1 ); VAR_MW_IPS+=" ";
done;

VAR_MW_IPS=$(echo "$VAR_MW_IPS"|tr " " "\n"|sort|uniq|tr "\n" " ");
VAR_MW_IPS=$(printf '%s\n' "${VAR_MW_IPS//inet/}");
if [ "$VAR_DEBUG" == "yes" ];
then 
        echo $VAR_MW_IPS;
fi



echo "==============================================================================================================";
echo "Ermitteln der IPs der DB-Interfaces auf den DB-Hosts";
echo "==============================================================================================================";
for VAR_CNTR2 in $VAR_DB_HOSTS;
do
    echo "Ermittle DB-LAN-IP von ${VAR_CNTR2}"; VAR_REPLY2=$(ssh $VAR_CNTR2 "ip a"); VAR_DB_IPS+=$( grep -oh "inet 192\.168\.1[0-5]\.[0-9]\{1,3\}" <<< $VAR_REPLY2 ); VAR_DB_IPS+=" ";
done;

VAR_DB_IPS=$(echo "$VAR_DB_IPS"|tr " " "\n"|sort|uniq|tr "\n" " ");
VAR_DB_IPS=$(printf '%s\n' "${VAR_DB_IPS//inet/}");
if [ "$VAR_DEBUG" == "yes" ];
then 
        echo $VAR_DB_IPS;
fi



echo "==============================================================================================================";
echo "Ermitteln der IPs der DB-Interfaces auf den BATCH-Hosts";
echo "==============================================================================================================";
for VAR_CNTR3 in $VAR_BATCH_HOSTS;
do
    echo "Ermittle DB-LAN-IP von ${VAR_CNTR3}"; VAR_REPLY3=$(ssh $VAR_CNTR3 "ip a"); VAR_BATCH_IPS+=$( grep -oh "inet 192\.168\.5[0-6]\.[0-9]\{1,3\}" <<< $VAR_REPLY3 ); VAR_BATCH_IPS+=" ";
done;

VAR_BATCH_IPS=$(echo "$VAR_BATCH_IPS"|tr " " "\n"|sort|uniq|tr "\n" " ");
VAR_BATCH_IPS=$(printf '%s\n' "${VAR_BATCH_IPS//inet/}");
if [ "$VAR_DEBUG" == "yes" ];
then 
        echo $VAR_BATCH_IPS;
fi



echo "==============================================================================================================";
echo "Ermitteln der IP des Public-Interfaces auf dem CMAN-Hosts";
echo "==============================================================================================================";
for VAR_CNTR4 in $VAR_CMAN_HOSTS;
do
    echo "Ermittle Public-LAN-IP von ${VAR_CNTR4}"; VAR_REPLY4=$(dig +noall +short +answer ${VAR_CNTR4}); VAR_CMAN_IPS+=$( grep -oh "[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}\.[0-9]\{1,3\}" <<< $VAR_REPLY4 ); VAR_CMAN_IPS+=" ";
done;

VAR_CMAN_IPS=$(echo "$VAR_CMAN_IPS"|tr " " "\n"|sort|uniq|tr "\n" " ");
if [ "$VAR_DEBUG" == "yes" ];
then 
        echo $VAR_CMAN_IPS;
fi



echo "==============================================================================================================";
echo "PING-Test DB-Server zu CMAN-Hosts";
echo "==============================================================================================================";

for DB_POINTER in $VAR_DB_HOSTS
do
        echo -e "${DB_POINTER}:";
        echo "----------------";
        f_fping_host "$DB_POINTER" "$VAR_CMAN_IPS";
        echo "";
done



echo "==============================================================================================================";
echo "PING-Test DB-Server zu BATCH-Hosts";
echo "==============================================================================================================";

for DB_POINTER in $VAR_DB_HOSTS
do
        echo -e "${DB_POINTER}:";
        echo "----------------";
        f_fping_host "$DB_POINTER" "$VAR_BATCH_IPS";
        echo "";
done



echo "==============================================================================================================";
echo "PING-Test DB-Server zu MIDDLEWARE-Hosts";
echo "==============================================================================================================";

for DB_POINTER in $VAR_DB_HOSTS
do
        echo -e "${DB_POINTER}:";
        echo "----------------";
        f_fping_host "$DB_POINTER" "$VAR_MW_IPS";
        echo "";
done
</sxh>