Docker 搭建redis集群
文章目录
- 创建配置文件的脚本
- 启动6个redis容器的脚本
- 集群搭建
创建配置文件的脚本
for port in $(seq 1 6); \
do \
mkdir -p /mydata/redis/node-${port}/conf
touch /mydata/redis/node-${port}/conf/redis.conf
cat << EOF >> /mydata/redis/node-${port}/conf/redis.conf
port 6379
bind 0.0.0.0
cluster-enabled yes
cluster-config-file nodes.conf
cluster-node-timeout 5000
cluster-announce-ip 172.38.0.1${port}
cluster-announce-port 6379
cluster-announce-bus-port 16379
appendonly yes
EOF
done
启动6个redis容器的脚本
for port in $(seq 1 6); \
do \
docker run -d -p 637$port:6379 -p 1637$port:16379 --name redis$port --net redis --ip 172.38.0.1$port \
-v /mydata/redis/node-$port/data:/data \
-v /mydata/redis/node-$port/conf/redis.conf:/etc/redis/redis.conf \
redis:6.0.16 redis-server /etc/redis/redis.conf
done
[root@VM-4-17-centos ~]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
46349e4d9c44 redis:6.0.16 "docker-entrypoint.s…" 42 seconds ago Up 41 seconds 0.0.0.0:6376->6379/tcp, :::6376->6379/tcp, 0.0.0.0:16376->16379/tcp, :::16376->16379/tcp redis6
6739c42e643d redis:6.0.16 "docker-entrypoint.s…" 43 seconds ago Up 41 seconds 0.0.0.0:6375->6379/tcp, :::6375->6379/tcp, 0.0.0.0:16375->16379/tcp, :::16375->16379/tcp redis5
c42fc7e25152 redis:6.0.16 "docker-entrypoint.s…" 43 seconds ago Up 42 seconds 0.0.0.0:6374->6379/tcp, :::6374->6379/tcp, 0.0.0.0:16374->16379/tcp, :::16374->16379/tcp redis4
78eeadc33d2c redis:6.0.16 "docker-entrypoint.s…" 44 seconds ago Up 42 seconds 0.0.0.0:6373->6379/tcp, :::6373->6379/tcp, 0.0.0.0:16373->16379/tcp, :::16373->16379/tcp redis3
94fa0248558b redis:6.0.16 "docker-entrypoint.s…" 44 seconds ago Up 43 seconds 0.0.0.0:6372->6379/tcp, :::6372->6379/tcp, 0.0.0.0:16372->16379/tcp, :::16372->16379/tcp redis2
f85c0b7b1aea redis:6.0.16 "docker-entrypoint.s…" 45 seconds ago Up 43 seconds 0.0.0.0:6371->6379/tcp, :::6371->6379/tcp, 0.0.0.0:16371->16379/tcp, :::16371->16379/tcp redis1
集群搭建
redis-cli --cluster :
root@5b452ef7c40a:/data# redis-cli --help
redis-cli 6.0.16
Usage: redis-cli [OPTIONS] [cmd [arg [arg ...]]]
-h <hostname> Server hostname (default: 127.0.0.1).
-p <port> Server port (default: 6379).
......略
--cluster <command> [args...] [opts...]
Cluster Manager command and arguments (see below).
--verbose Verbose mode.
--no-auth-warning Don't show warning message when using password on command
line interface.
--help Output this help and exit.
--version Output version and exit.
Cluster Manager Commands:
Use --cluster help to list all available cluster manager commands.
root@5b452ef7c40a:/data# redis-cli --cluster help
Cluster Manager Commands:
create host1:port1 ... hostN:portN
--cluster-replicas <arg>
check host:port
--cluster-search-multiple-owners
info host:port
fix host:port
--cluster-search-multiple-owners
--cluster-fix-with-unreachable-masters
reshard host:port
--cluster-from <arg>
--cluster-to <arg>
--cluster-slots <arg>
--cluster-yes
--cluster-timeout <arg>
--cluster-pipeline <arg>
--cluster-replace
rebalance host:port
--cluster-weight <node1=w1...nodeN=wN>
--cluster-use-empty-masters
--cluster-timeout <arg>
--cluster-simulate
--cluster-pipeline <arg>
--cluster-threshold <arg>
--cluster-replace
add-node new_host:new_port existing_host:existing_port
--cluster-slave
--cluster-master-id <arg>
del-node host:port node_id
call host:port command arg arg .. arg
--cluster-only-masters
--cluster-only-replicas
set-timeout host:port milliseconds
import host:port
--cluster-from <arg>
--cluster-from-user <arg>
--cluster-from-pass <arg>
--cluster-from-askpass
--cluster-copy
--cluster-replace
backup host:port backup_directory
help
docker exec -it redis1 /bin/bash # 进入容器
root@f85c0b7b1aea:/data# redis-cli --cluster create 172.38.0.11:6379 172.38.0.12:6379 172.38.0.13:6379 172.38.0.14:6379 172.38.0.15:6379 172.38.0.16:6379 --cluster-replicas 1