Keepalived Notify-Redis

notify-redis

#!/bin/bash

MASTER_IP='111.22.33.44'
MASTER_PORT=6379

if [ "$#" -lt "3" ]
then
    exit
fi

function log() {
    logger -i -s -p daemon.info $@
}

log 'Connecting do Redis@localhost'
state=$3

log "Changing to state $state"
sleep 5

case "$state" in
    'MASTER')
        log 'Sending SLAVEOF NO ONE'
        redis-cli SLAVEOF NO ONE
        ;;
    'BACKUP')
        log "Sending SLAVEOF $MASTER_IP $MASTER_PORT"
        redis-cli SLAVEOF $MASTER_IP $MASTER_PORT
        ;;
    'FAULT')
        log 'Shutting down REDIS'
        redis-cli SHUTDOWN
        ;;
    *)
        log "Unknown state $state"
esac