CentOS7下Redis3.2.3 Cluster配置

配置redis cluster，以两台机器，6个实例为环境。操作系统 CentOS Linux release 7 64位安装依赖包：单独下载redis-3.3.1.gem这个包要对应os版本
yum -y install tcl
yum -y install ruby ruby-devel rubygems rpm-build
gem install redis 解压安装：cd /usr/local/
tar zxvf redis-3.2.3.tar.gz
cd redis-3.2.3
make && make install在172.16.25.220的/usr/local/webapp下创建bin、redis6379、redis6380、redis6381四个目录
mkdir bin
mkdir redis6379
mkdir redis6380
mkdir redis6381在172.16.25.72的/usr/local/webapp下创建bin、redis6379、redis6380、redis6381四个目录
mkdir bin
mkdir redis6379
mkdir redis6380
mkdir redis6381分别在两台机器上创建配置文件，并启动：
cd /usr/local/redis-3.2.3/src/
cp mkreleasehdr.sh redis-benchmark redis-sentinel redis-server redis-trib.rb redis-cli /usr/local/webapp/bin
cd /usr/local/webapp/redis6379/
touch redis-6379.conf
cp /usr/local/webapp/redis6379/redis-6379.conf /usr/local/webapp/redis6380/redis-6380.conf
cp /usr/local/webapp/redis6379/redis-6379.conf /usr/local/webapp/redis6381/redis-6381.conf
sed -i "s/6379/6380/g" /usr/local/webapp/redis6380/redis-6380.conf
sed -i "s/6379/6381/g" /usr/local/webapp/redis6381/redis-6381.conf
/usr/local/webapp/bin/redis-server /usr/local/webapp/redis6379/redis-6379.conf
/usr/local/webapp/bin/redis-server /usr/local/webapp/redis6380/redis-6380.conf
/usr/local/webapp/bin/redis-server /usr/local/webapp/redis6381/redis-6381.conf创建集群（在其中一台服务器上执行即可）
cd /usr/local/webapp/bin/
./redis-trib.rb create --replicas 1 172.16.25.220:6379 172.16.25.72:6379 172.16.25.220:6380 172.16.25.72:6380 172.16.25.220:6381 172.16.25.72:6381集群状态查看：
./redis-cli -c -h 172.16.25.220 -p 6380
172.16.25.220:6380> cluster nodes
3b64702727c2e047f255ebb6eb111359990fba85 172.16.25.72:6379 master - 0 1478249255421 2 connected 5461-10922
a0ac9b45dd7bfabeb7036278c13efb744794adc8 172.16.25.72:6380 master - 0 1478249256423 7 connected 0-5460
f612b1d6e362c52ac606a627bcc27a95224ce2b3 172.16.25.220:6381 slave 3b64702727c2e047f255ebb6eb111359990fba85 0 1478249254919 5 connected
954200fe3b22806af5afc035cdf0a25899c14ecd 172.16.25.220:6380 myself,slave ca66b71a3e2b7bf75885720b4c7bd3015dd732a1 0 0 3 connected
ca66b71a3e2b7bf75885720b4c7bd3015dd732a1 172.16.25.72:6381 master - 0 1478249254419 8 connected 10923-16383
2b2b3a1885a9a2b64060b20322d3c425b64ca063 172.16.25.220:6379 slave a0ac9b45dd7bfabeb7036278c13efb744794adc8 0 1478249255921 7 connected给redis cluster集群加上认证功能：
登陆集群后配置密码（我这里测试不生效）
./redis-cli -c -h 172.16.25.72 -p 6379
config set masterauth mypasswd
config set requirepass mypasswd
config rewrite

修改配置文件：加入下面两行
requirepass "mypasswd"
masterauth "mypasswd"

停redis
./redis-cli -c -h 172.16.25.220 -p 6379 shutdown
./redis-cli -c -h 172.16.25.220 -p 6380 shutdown
./redis-cli -c -h 172.16.25.220 -p 6381 shutdown
./redis-cli -c -h 172.16.25.72 -p 6381 shutdown
./redis-cli -c -h 172.16.25.72 -p 6380 shutdown
./redis-cli -c -h 172.16.25.72 -p 6379 shutdown

修改
修改gem的redis工具下的一个文件，我这里是默认安装，路径如下：/usr/local/share/gems/gems/redis-3.3.1/lib/redis/client.rb
vim /usr/local/share/gems/gems/redis-3.3.1/lib/redis/client.rb

启动redis
service redis6379 start
service redis6380 start
service redis6381 start

登陆
./redis-cli -c -h 172.16.25.220 -p 6380
172.16.25.220:6380> cluster nodes
NOAUTH Authentication required.
172.16.25.220:6380> auth mypasswd
OK
172.16.25.220:6380> cluster nodes
3b64702727c2e047f255ebb6eb111359990fba85 172.16.25.72:6379 master - 0 1478249211338 2 connected 5461-10922
a0ac9b45dd7bfabeb7036278c13efb744794adc8 172.16.25.72:6380 master - 0 1478249211839 7 connected 0-5460
f612b1d6e362c52ac606a627bcc27a95224ce2b3 172.16.25.220:6381 slave 3b64702727c2e047f255ebb6eb111359990fba85 0 1478249210836 5 connected
954200fe3b22806af5afc035cdf0a25899c14ecd 172.16.25.220:6380 myself,slave ca66b71a3e2b7bf75885720b4c7bd3015dd732a1 0 0 3 connected
ca66b71a3e2b7bf75885720b4c7bd3015dd732a1 172.16.25.72:6381 master - 0 1478249212341 8 connected 10923-16383
2b2b3a1885a9a2b64060b20322d3c425b64ca063 172.16.25.220:6379 slave a0ac9b45dd7bfabeb7036278c13efb744794adc8 0 1478249210334 7 connected
172.16.25.220:6380>

./redis-cli -c -h 172.16.25.220 -p 6380 -a mypasswd
172.16.25.220:6380> cluster nodes
3b64702727c2e047f255ebb6eb111359990fba85 172.16.25.72:6379 master - 0 1478249255421 2 connected 5461-10922
a0ac9b45dd7bfabeb7036278c13efb744794adc8 172.16.25.72:6380 master - 0 1478249256423 7 connected 0-5460
f612b1d6e362c52ac606a627bcc27a95224ce2b3 172.16.25.220:6381 slave 3b64702727c2e047f255ebb6eb111359990fba85 0 1478249254919 5 connected
954200fe3b22806af5afc035cdf0a25899c14ecd 172.16.25.220:6380 myself,slave ca66b71a3e2b7bf75885720b4c7bd3015dd732a1 0 0 3 connected
ca66b71a3e2b7bf75885720b4c7bd3015dd732a1 172.16.25.72:6381 master - 0 1478249254419 8 connected 10923-16383
2b2b3a1885a9a2b64060b20322d3c425b64ca063 172.16.25.220:6379 slave a0ac9b45dd7bfabeb7036278c13efb744794adc8 0 1478249255921 7 connected
172.16.25.220:6380>

停止有密码认证的集群
./redis-cli -c -a "mypasswd" -h 172.16.25.220 -p 6379 shutdown配置自启动：
如果配置成自启动，那相关的权限会变成root权限，请慎重考虑。下面给出自启动的脚本，仅供参考。
在/etc/init.d下编写脚本redis6379，并给+x权限，然后配置启动级别
chkconfig --add redis6379
chkconfig --level 345 redis6379 on
脚本如下：
cat /etc/init.d/redis6379
#！/bin/bash
#chkconfig:345 61 61

PATH=/usr/local/bin:/sbin:/usr/bin:/bin

REDISPORT=6379
EXEC=/usr/local/bin/redis-server
REDIS_CLI=/usr/local/bin/redis-cli

PIDFILE=/usr/local/webapp/redis6379/redis_6379.pid
CONF="/usr/local/webapp/redis6379/redis-6379.conf"

case "$1" in
start）
if [ -f $PIDFILE ]
then
echo "$PIDFILE exists, process is already running or crashed"
else
echo "Starting Redis server..."
$EXEC $CONF
fi
if [ "$？"="0" ]
then
echo "Redis is running..."
fi
;;
stop）
if [ ！ -f $PIDFILE ]
then
echo "$PIDFILE does not exist, process is not running"
else
PID=$（cat $PIDFILE）
echo "Stopping ..."
$REDIS_CLI -p $REDISPORT SHUTDOWN
while [ -x ${PIDFILE} ]
do
echo "Waiting for Redis to shutdown ..."
sleep 1
done
echo "Redis stopped"
fi
;;
restart|force-reload）
${0} stop
${0} start
;;
*）
echo "Usage: /etc/init.d/redis {start|stop|restart|force-reload}" >&2
exit 1
esac
##############################redis的配置文件如下：
bind 172.16.25.220
protected-mode yes
port 6379
cluster-enabled yes
cluster-config-file nodes.conf
cluster-node-timeout 5000
tcp-backlog 511
timeout 0
tcp-keepalive 300
daemonize yes
supervised no
pidfile /usr/local/webapp/redis6379/redis_6379.pid
loglevel notice
logfile /usr/local/webapp/redis6379/redis_6379.log
databases 16
save 900 1
save 300 10
save 60 10000
stop-writes-on-bgsave-error yes
rdbcompression yes
rdbchecksum yes
dbfilename dump.rdb
dir /usr/local/webapp/redis6379
slave-serve-stale-data yes
slave-read-only yes
repl-diskless-sync no
repl-diskless-sync-delay 5
repl-disable-tcp-nodelay no
slave-priority 100
appendonly yes
appendfilename "appendonly.aof"
appendfsync everysec
no-appendfsync-on-rewrite no
auto-aof-rewrite-percentage 100
auto-aof-rewrite-min-size 64mb
aof-load-truncated yes
lua-time-limit 5000
slowlog-log-slower-than 10000
slowlog-max-len 128
latency-monitor-threshold 0
notify-keyspace-events ""
hash-max-ziplist-entries 512
hash-max-ziplist-value 64
list-max-ziplist-size -2
list-compress-depth 0
set-max-intset-entries 512
zset-max-ziplist-entries 128
zset-max-ziplist-value 64
hll-sparse-max-bytes 3000
activerehashing yes
client-output-buffer-limit normal 0 0 0
client-output-buffer-limit slave 256mb 64mb 60
client-output-buffer-limit pubsub 32mb 8mb 60
hz 10
aof-rewrite-incremental-fsync yes
requirepass "mypasswd"
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