#!/bin/sh
# by system-linux.eu ( dev fev 2010 ) 
# 

# Debut :

# Sauvegarde du fichier /etc/modprobe.conf avant modifications :

cp -af /etc/modprobe.conf /etc/modprobe-`date '+%d-%m-%Y-%H-%M'`.conf

if ! grep bonding /etc/modprobe.conf
then
 echo " " >> /etc/modprobe.conf
 echo "### Bonding" >> /etc/modprobe.conf
 echo "alias bond0 bonding" >> /etc/modprobe.conf
 echo "options bond0 mode=0 miimon=100" >> /etc/modprobe.conf
fi

### Les interfaces :

if [ ! -d /etc/sysconfig/network-scripts/sauv-ifcfg-conf ]
then
 mkdir /etc/sysconfig/network-scripts/sauv-ifcfg-conf
fi

## ifcfg-bond0

if [ ! -e /etc/sysconfig/network-scripts/ifcfg-bond0 ]
then
 touch /etc/sysconfig/network-scripts/ifcfg-bond0
 > /etc/sysconfig/network-scripts/ifcfg-bond0
 cat /etc/sysconfig/network-scripts/ifcfg-eth0 >> /etc/sysconfig/network-scripts/ifcfg-bond0
 sed -i -e 's/DEVICE=.*/DEVICE=bond0/g' /etc/sysconfig/network-scripts/ifcfg-bond0
 echo "USERCTL=no" >> /etc/sysconfig/network-scripts/ifcfg-bond0
fi

# Sauvegarde du fichier /etc/sysconfig/network-scripts/ifcfg-eth0 :

cp -af /etc/sysconfig/network-scripts/ifcfg-eth0 /etc/sysconfig/network-scripts/sauv-ifcfg-conf/ifcfg-eth0-`date '+%d-%m-%Y-%H-%M'`.sauv

## ifcfg-eth0

> /etc/sysconfig/network-scripts/ifcfg-eth0

echo "DEVICE=eth0
USERCTL=no
ONBOOT=yes
MASTER=bond0
SLAVE=yes" >> /etc/sysconfig/network-scripts/ifcfg-eth0

# Sauvegarde du fichier /etc/sysconfig/network-scripts/ifcfg-eth1 avant modifs :

if [ -e /etc/sysconfig/network-scripts/ifcfg-eth1 ]
then
 cp -af /etc/sysconfig/network-scripts/ifcfg-eth1 /etc/sysconfig/network-scripts/sauv-ifcfg-conf/ifcfg-eth1-`date '+%d-%m-%Y-%H-%M'`.sauv
fi

## ifcfg-eth1

if [ ! -e /etc/sysconfig/network-scripts/ifcfg-eth1 ]
then
 touch /etc/sysconfig/network-scripts/ifcfg-eth1
 > /etc/sysconfig/network-scripts/ifcfg-eth1
 echo "DEVICE=eth1
USERCTL=no
ONBOOT=yes
MASTER=bond0
SLAVE=yes" >> /etc/sysconfig/network-scripts/ifcfg-eth1
fi

# Sauvegarde du fichier /etc/sysconfig/network-scripts/ifcfg-eth1 apres modifs :

cp -af /etc/sysconfig/network-scripts/ifcfg-eth1 /etc/sysconfig/network-scripts/sauv-ifcfg-conf/ifcfg-eth1-`date '+%d-%m-%Y-%H-%M'`.sauv

# Activation de eth1

ifconfig eth1 up

# Sauvegarde du fichier /etc/sysconfig/network-scripts/ifcfg-bond0 :

cp -af /etc/sysconfig/network-scripts/ifcfg-bond0 /etc/sysconfig/network-scripts/sauv-ifcfg-conf/ifcfg-bond0-`date '+%d-%m-%Y-%H-%M'`.sauv

# Activation Bonding

modprobe bonding mode=0 miimon=100
service network restart

# Validation du bon fonctionnement :

ifconfig -a | less

echo "TEST de validation !!!"
echo " "
echo "###	Simuler une panne de carte reseau"
echo "1.	Executer ifconfig eth0 down"
echo "2.	Verifier que lacces au reseau est toujours possible"
echo "3.	Ping XX.XX.XX.XX ou connexion"

# fin

exit 0