前言

本篇文章介绍docker swarm搭建三主三从Redis哨兵（Sentinel）模式

环境

IP	HOSTNAME	label	redis port	sentinel port
172.16.0.106	cluster-0001	master	6379	26379
172.16.0.31	cluster-0002	slave1	6379	26379
172.16.0.146	cluster-0003	slave2	6379	26379

配置

master节点

创建文件夹
mkdir -pv /redis/{bin,conf,data,logs}
配置文件
cat /redis/bin/docker-compose.yml

version: '3.4'
services:master:image: rediscontainer_name: redis-masterrestart: alwayscommand: redis-server /etc/redis/redis.confvolumes:- /redis/data:/data- /redis/conf/redis-master.conf:/etc/redis/redis.conf:ro- /redis/logs:/var/log/redisports:- target: 6379published: 6379protocol: tcpmode: hostdeploy:placement:constraints: [node.labels.role==master]networks:- redis_clusterslave1:image: rediscontainer_name: redis-slave-1restart: alwayscommand: redis-server /etc/redis/redis.confvolumes:- /redis/data:/data- /redis/conf/redis-slave-1.conf:/etc/redis/redis.conf:ro- /redis/logs:/var/log/redisdepends_on:- masterports:- target: 6379published: 6379protocol: tcpmode: hostdeploy:placement:constraints: [node.labels.role==slave1]networks:- redis_clusterslave2:image: rediscontainer_name: redis-slave-2restart: alwayscommand: redis-server /etc/redis/redis.confvolumes:- /redis/data:/data- /redis/conf/redis-slave-2.conf:/etc/redis/redis.conf:ro- /redis/logs:/var/log/redisdepends_on:- masterports:- target: 6379published: 6379protocol: tcpmode: hostdeploy:placement:constraints: [node.labels.role==slave2]networks:- redis_clustersentinel1:image: rediscontainer_name: redis-sentinel-1command: redis-sentinel /usr/local/etc/redis/sentinel.confrestart: alwaysdepends_on:- master- slave1- slave2ports:- target: 26379published: 26379protocol: tcpmode: hostdeploy:placement:constraints: [node.labels.role==master]networks:- redis_clustervolumes:- /redis/conf/sentinel1.conf:/usr/local/etc/redis/sentinel.confsentinel2:image: rediscontainer_name: redis-sentinel-2command: redis-sentinel /usr/local/etc/redis/sentinel.confrestart: alwaysdepends_on:- master- slave1- slave2ports:- target: 26379published: 26379protocol: tcpmode: hostdeploy:placement:constraints: [node.labels.role==slave1]networks:- redis_cluster
#    network_mode: "host"volumes:- /redis/conf/sentinel2.conf:/usr/local/etc/redis/sentinel.confsentinel3:image: rediscontainer_name: redis-sentinel-3command: redis-sentinel /usr/local/etc/redis/sentinel.confrestart: alwaysdepends_on:- master- slave1- slave2#   network_mode: "host"ports:- target: 26379published: 26379protocol: tcpmode: hostdeploy:placement:constraints: [node.labels.role==slave2]networks:- redis_clustervolumes:- /redis/conf/sentinel3.conf:/usr/local/etc/redis/sentinel.confnetworks:redis_cluster:external:name: redis_cluster

cat /redis/bin/startup.sh

#!/bin/bashdocker stack deploy -c docker-compose.yml redis_cluster

cat /redis/bin/shutdown.sh

#!/bin/bashdocker stack rm redis_cluster

cat /redis/conf/redis-master.conf

port 6379
bind 0.0.0.0
logfile "redis-master.log"
dbfilename "dump-master.rdb"
appendfilename appendonly-master.aof
rdbcompression yes
appendonly yes
requirepass 1234
slave-announce-ip 172.16.0.106
slave-announce-port 6379
slave-read-only no

cat /redis/conf/sentinel1.conf

port 26379
dir "/tmp"
sentinel myid fa6bbe8804377177a83cc290651b4e50edc0e58fsentinel deny-scripts-reconfig yes
sentinel monitor mymaster 172.16.0.106 6379 2
#sentinel monitor mymaster （cluster-0001外网IP） 6379 2 # 如果想外网连接redis，此处使用外网ip# Generated by CONFIG REWRITE
user default on nopass ~* +@all
sentinel auth-pass mymaster 1234
sentinel config-epoch mymaster 0
sentinel leader-epoch mymaster 0
sentinel known-replica mymaster 172.16.0.146 6379
sentinel known-replica mymaster 172.16.0.31 6379sentinel known-sentinel mymaster 172.18.0.3 26379 9aeea65e6c8741bc8645dc27f596a9ec6e8e42ae
sentinel known-sentinel mymaster 172.18.0.3 26379 528ab0bbb719fe50309fac21019e0eed567b2bf4
sentinel current-epoch 0

slave1节点

创建文件夹
mkdir -pv /redis/{conf,data,logs}
配置文件
cat /redis/conf/redis-slave-1.conf

port 6379
bind 0.0.0.0
logfile "redis-master.log"
dbfilename "dump-master.rdb"
appendfilename appendonly-master.aof
rdbcompression yes
appendonly yes
requirepass 1234
slaveof 172.16.0.106 6379
masterauth 1234
slave-announce-ip 172.16.0.31
slave-announce-port 6379
slave-read-only no

cat /redis/conf/sentinel2.conf

port 26379
dir "/tmp"
sentinel myid 528ab0bbb719fe50309fac21019e0eed567b2bf4
sentinel deny-scripts-reconfig yes
# Generated by CONFIG REWRITE
user default on nopass ~* +@all
sentinel monitor mymaster 172.16.0.106 6379 2
#sentinel monitor mymaster （cluster-0001外网IP） 6379 2 # 如果想外网连接redis，此处使用外网ipsentinel auth-pass mymaster 1234
sentinel config-epoch mymaster 0
sentinel leader-epoch mymaster 0
sentinel known-replica mymaster 172.16.0.31 6379
sentinel known-replica mymaster 172.16.0.146 6379
sentinel known-sentinel mymaster 172.18.0.4 26379 fa6bbe8804377177a83cc290651b4e50edc0e58f
sentinel known-sentinel mymaster 172.18.0.3 26379 9aeea65e6c8741bc8645dc27f596a9ec6e8e42ae
sentinel known-sentinel mymaster 172.18.0.3 26379 528ab0bbb719fe50309fac21019e0eed567b2bf4
sentinel current-epoch 0

slave2节点

创建文件夹
mkdir -pv /redis/{conf,data,logs}
配置文件
cat /redis/conf/redis-slave-2.conf

port 6379
bind 0.0.0.0
logfile "redis-master.log"
dbfilename "dump-master.rdb"
appendfilename appendonly-master.aof
rdbcompression yes
appendonly yes
requirepass 1234
slaveof 172.16.0.106 6379
masterauth 1234
slave-announce-ip 172.16.0.146
slave-announce-port 6379
slave-read-only no

cat /redis/conf/sentinel3.conf

port 26379
dir "/tmp"
sentinel myid 9aeea65e6c8741bc8645dc27f596a9ec6e8e42aesentinel deny-scripts-reconfig yes
sentinel monitor mymaster 172.16.0.106 6379 2
#sentinel monitor mymaster （cluster-0001外网IP） 6379 2 # 如果想外网连接redis，此处使用外网ip# Generated by CONFIG REWRITE
user default on nopass ~* +@all
sentinel auth-pass mymaster 1234
sentinel config-epoch mymaster 0
sentinel leader-epoch mymaster 0
sentinel known-replica mymaster 172.16.0.146 6379
sentinel known-replica mymaster 172.16.0.31 6379
sentinel known-sentinel mymaster 172.18.0.4 26379 fa6bbe8804377177a83cc290651b4e50edc0e58f
sentinel known-sentinel mymaster 172.18.0.3 26379 9aeea65e6c8741bc8645dc27f596a9ec6e8e42ae
sentinel known-sentinel mymaster 172.18.0.3 26379 528ab0bbb719fe50309fac21019e0eed567b2bf4
sentinel current-epoch 0

启动

master节点

赋予权限

sudo chmod 777 /redis/bin/*.sh

启动

/redis/bin/startup.sh

停止

/redis/bin/shutdown.sh

查看redis集群启动结果

docker stack ps redis_cluster --no-trunc

至此，redis哨兵模式搭建完成！
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docker swarm搭建Redis哨兵（Sentinel）模式

前言

环境

配置

master节点

slave1节点

slave2节点

启动

master节点

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