centos6 Using docker to deploy redis master slave database operation example

This article example shows how centos6 deploys redis master-slave database operations using docker. Share it for your reference, as follows:

Directory structure:

/redis

/Dockerfile

/Readme

/redis-3.2.8.tar.gz

/start.sh

Dockerfile:

FROM centos
MAINTAINER qiongtao.li hnatao@126.com
ADD ./redis-3.2.8.tar.gz /opt
ADD ./start.sh /opt/start_redis.sh
RUN echo "Asia/shanghai" > /etc/timezone \
 && cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime \
 && yum -y install gcc make \
 && ln -s /opt/redis-3.2.8 /opt/redis \
 && cd /opt/redis && make && make install
EXPOSE 6379
ENTRYPOINT ["sh", "/opt/start_redis.sh"]

start.sh

role=$1
port=6379
password=Abc123
redis_conf=/opt/redis/redis.conf
dir=/data/redis
logfile=/data/redis/redis.log
mkdir -p $dir
sed -i "s|bind 127.0.0.1|bind 0.0.0.0|g" $redis_conf
sed -i "s|# requirepass foobared|requirepass ${password}|g" $redis_conf
sed -i "s|dir ./|dir ${dir}|g" $redis_conf
sed -i "s|logfile \"\"|logfile ${logfile}|g" $redis_conf
if [ "$role" == "slave" ]; then
 echo "slave"
 sed -i "s|# slaveof <masterip> <masterport>|slaveof redis-master ${port}|g" $redis_conf
 sed -i "s|# masterauth <master-password>|masterauth ${password}|g" $redis_conf
else
 echo "master"
fi
redis-server $redis_conf

Readme

docker rm -f redis-master redis-slave-1 redis-slave-2
docker rmi -f redis
docker build -t redis .
docker run -d --name redis-master redis
docker run -d --name redis-slave-1 --link redis-master:redis-master redis slave
docker run -d --name redis-slave-2 --link redis-master:redis-master redis slave
docker ps -a
docker exec redis-master redis-cli -a Abc123 set name hnatao
docker exec redis-master redis-cli -a Abc123 get name
docker exec redis-slave-1 redis-cli -a Abc123 get name
docker exec redis-slave-2 redis-cli -a Abc123 get name
docker exec redis-master grep -E "bind|dir|require|logfile|slaveof|masterauth" /opt/redis/redis.conf
docker exec redis-slave-1 grep -E "bind|dir|require|logfile|slaveof|masterauth" /opt/redis/redis.conf
docker exec redis-slave-2 grep -E "bind|dir|require|logfile|slaveof|masterauth" /opt/redis/redis.conf
docker exec redis-master redis-cli -a Abc123 info
docker exec redis-slave-1 redis-cli -a Abc123 info
docker exec redis-slave-2 redis-cli -a Abc123 info

Test installation deployment

cat Readme|while read line; do $line; done

I hope this article is helpful for everyone to use Docker container.