gist:edf93ea470c945bb9c22c0cd517e80df

redis-sentinel-switch-state.sh · 1.0 KiB · Bash Raw

#!/bin/sh
_DEBUG="on"
DEBUGFILE=/tmp/sentinel_failover.log
VIP='10.125.125.30'
MASTERIP=${6}
MASK='24'
IFACE='eth0'
MYIP=$(ip -4 -o addr show dev ${IFACE}| grep -v secondary| awk '{split($4,a,"/");print a[1]}')

DEBUG () {
        if [ "$_DEBUG" = "on" ]; then
                $@
        fi
}

set -e
DEBUG date >> ${DEBUGFILE}
DEBUG echo $@ >> ${DEBUGFILE}

DEBUG echo "Master: ${MASTERIP} My IP: ${MYIP}" >> ${DEBUGFILE}
if [ ${MASTERIP} = ${MYIP} ]; then
        if [ $(ip addr show ${IFACE} | grep ${VIP} | wc -l) = 0 ]; then
                sudo /sbin/ip addr add ${VIP}/${MASK} dev ${IFACE}
                DEBUG echo "sudo /sbin/ip addr add ${VIP}/${MASK} dev ${IFACE}" >> ${DEBUGFILE}
                sudo /usr/sbin/arping -q -c 3 -A ${VIP} -I ${INTERFACE}
        fi
        exit 0
else
        if [ $(ip addr show ${IFACE} | grep ${VIP} | wc -l) != 0 ]; then
                sudo /sbin/ip addr del ${VIP}/${MASK} dev ${IFACE}
                DEBUG echo "sudo /sbin/ip addr del ${VIP}/${MASK} dev ${IFACE}" >> ${DEBUGFILE}
        fi
        exit 0
fi
exit 1

1	#!/bin/sh
2	_DEBUG="on"
3	DEBUGFILE=/tmp/sentinel_failover.log
4	VIP='10.125.125.30'
5	MASTERIP=${6}
6	MASK='24'
7	IFACE='eth0'
8	MYIP=$(ip -4 -o addr show dev ${IFACE}\| grep -v secondary\| awk '{split($4,a,"/");print a[1]}')
9
10	DEBUG () {
11	if [ "$_DEBUG" = "on" ]; then
12	$@
13	fi
14	}
15
16	set -e
17	DEBUG date >> ${DEBUGFILE}
18	DEBUG echo $@ >> ${DEBUGFILE}
19
20	DEBUG echo "Master: ${MASTERIP} My IP: ${MYIP}" >> ${DEBUGFILE}
21	if [ ${MASTERIP} = ${MYIP} ]; then
22	if [ $(ip addr show ${IFACE} \| grep ${VIP} \| wc -l) = 0 ]; then
23	sudo /sbin/ip addr add ${VIP}/${MASK} dev ${IFACE}
24	DEBUG echo "sudo /sbin/ip addr add ${VIP}/${MASK} dev ${IFACE}" >> ${DEBUGFILE}
25	sudo /usr/sbin/arping -q -c 3 -A ${VIP} -I ${INTERFACE}
26	fi
27	exit 0
28	else
29	if [ $(ip addr show ${IFACE} \| grep ${VIP} \| wc -l) != 0 ]; then
30	sudo /sbin/ip addr del ${VIP}/${MASK} dev ${IFACE}
31	DEBUG echo "sudo /sbin/ip addr del ${VIP}/${MASK} dev ${IFACE}" >> ${DEBUGFILE}
32	fi
33	exit 0
34	fi
35	exit 1