mirror of https://github.com/Aidaho12/haproxy-wi
74 lines
1.6 KiB
Bash
74 lines
1.6 KiB
Bash
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#!/bin/bash
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CONF=/etc/keepalived/keepalived.conf
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if [ -f $CONF ];then
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echo -e 'error: Keepalived alredy installed. You can edit config <a href="/app/keepalivedconfig.py" title="Edit Keepalived config">here</a>'
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exit 1
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fi
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yum install keepalived -y > /dev/null
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if [ $? -eq 1 ]
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then
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exit 1
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fi
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echo "" > $CONF
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cat << EOF > $CONF
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global_defs {
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router_id LVS_DEVEL
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}
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#health-check for keepalive
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vrrp_script chk_haproxy { # Requires keepalived-1.1.13
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script "pidof haproxy"
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interval 2 # check every 2 seconds
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weight 3 # addA<64>3 points of prio if OK
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}
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vrrp_instance VI_1 {
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state MASTER
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interface eth0
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virtual_router_id 100
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priority 102
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#check if we are still running
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track_script {
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chk_haproxy
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}
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advert_int 1
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authentication {
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auth_type PASS
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auth_pass VerySecretPass
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}
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virtual_ipaddress {
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0.0.0.0
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}
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}
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EOF
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if [ $? -eq 1 ]
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then
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echo "Can't read keepalived config"
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exit 1
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fi
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sed -i "s/MASTER/$1/g" $CONF
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sed -i "s/eth0/$2/g" $CONF
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sed -i "s/0.0.0.0/$3/g" $CONF
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if [[ $1 == "BACKUP" ]];then
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sed -i "s/102/103/g" $CONF
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fi
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systemctl enable keepalived
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systemctl restart keepalived
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echo "net.ipv4.ip_forward = 1" >> /etc/sysctl.conf
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sysctl -p
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firewall-cmd --direct --permanent --add-rule ipv4 filter INPUT 0 --in-interface enp0s8 --destination 224.0.0.18 --protocol vrrp -j ACCEPT
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firewall-cmd --direct --permanent --add-rule ipv4 filter OUTPUT 0 --out-interface enp0s8 --destination 224.0.0.18 --protocol vrrp -j ACCEPT
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firewall-cmd --reload
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if [ $? -eq 1 ]
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then
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echo "Can't start keepalived"
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exit 1
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fi
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