#!/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