You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
This file contains invisible Unicode characters that may be processed differently from what appears below. If your use case is intentional and legitimate, you can safely ignore this warning. Use the Escape button to reveal hidden characters.
#!/bin/bash
CONF = /etc/keepalived/keepalived.conf
if [ -f $CONF ] ; then
echo -e 'info: Keepalived already installed. You can edit config <a href="/app/keepalivedconfig.py" title="Edit Keepalived config">here</a><br /><br />'
exit 1
fi
if hash apt-get 2>/dev/null; then
sudo apt-get install keepalived -y
else
sudo yum install keepalived -y > /dev/null
fi
if [ $? -eq 1 ]
then
echo "error: Can't install keepalived <br /><br />"
exit 1
fi
sudo echo "" > $CONF
sudo bash -c cat << EOF > $CONF
global_defs {
router_id LVS_DEVEL
}
#health-check for keepalive
vrrp_script chk_haproxy { # Requires keepalived-1.1.13
script "pidof haproxy"
interval 2 # check every 2 seconds
weight 3 # addA
}
vrrp_instance VI_1 {
state MASTER
interface eth0
virtual_router_id 100
priority 102
#check if we are still running
track_script {
chk_haproxy
}
advert_int 1
authentication {
auth_type PASS
auth_pass VerySecretPass
}
virtual_ipaddress {
0.0.0.0
}
}
EOF
if [ $? -eq 1 ]
then
echo "error: Can't read keepalived config <br /><br />"
exit 1
fi
sudo sed -i " s/MASTER/ $1 /g " $CONF
sudo sed -i " s/eth0/ $2 /g " $CONF
sudo sed -i " s/0.0.0.0/ $3 /g " $CONF
if [ [ $1 = = "BACKUP" ] ] ; then
sudo sed -i "s/102/103/g" $CONF
fi
sudo systemctl enable keepalived
sudo systemctl restart keepalived
sudo echo "net.ipv4.ip_forward = 1" >> /etc/sysctl.conf
sudo sysctl -p
sudo firewall-cmd --direct --permanent --add-rule ipv4 filter INPUT 0 --in-interface enp0s8 --destination 224.0.0.18 --protocol vrrp -j ACCEPT
sudo firewall-cmd --direct --permanent --add-rule ipv4 filter OUTPUT 0 --out-interface enp0s8 --destination 224.0.0.18 --protocol vrrp -j ACCEPT
sudo firewall-cmd --reload
if [ $? -eq 1 ]
then
echo "error: Can't start keepalived <br /><br />"
exit 1
fi
echo "success"
