vim /redis_install.sh

#!/bin/sh
# -*- coding: utf-8 -*-
# Author: CIASM
# Date: 2022/04/06

<<!
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!

source /etc/rc.d/init.d/functions

#Define data path variables
data_downloads=/data/downloads

#Define redis path variables
Redis_URL=http://download.redis.io/releases/
Redis_gz=redis-6.2.9.tar.gz
Redis_FILE_DIR=redis-6.2.9
Redis_PREFIX=/opt/redis
Redis_catalogue=/opt
Redis_new=redis
redis_service=/usr/lib/systemd/system/redis.service
 
function install_redis (){
if [ ! -d ${Redis_PREFIX} ];then
mkdir -p $data_downloads
yum install -y gcc gcc-c++ cmake net-tools wget
wget -N -P $data_downloads $Redis_URL/$Redis_gz
tar -xf $data_downloads/$Redis_gz -C $Redis_catalogue
 if [ $? -eq 0 ];then 
   mv $Redis_catalogue/$Redis_FILE_DIR $Redis_catalogue/$Redis_new
   cd $Redis_catalogue/$Redis_new
   make && make install PREFIX=$Redis_PREFIX
   ln -s $Redis_catalogue/$Redis_new/bin/* /usr/local/sbin/
   redis_config
   action "The redis Install Sussess..." /bin/true
   else
	action "The redis Install Failed..." /bin/false 
	exit 1
   fi
   else
	echo -e "\033[31mThe redis already Install...\033[0m"
fi
}
 
function redis_config (){
echo "limits config"
cat >>/etc/security/limits.conf<<EOF
* soft nproc 65535
* hard nproc 65535
* soft nofile 65535
* hard nofile 65535
EOF
 
echo "system Maximum number of connections"
echo "fs.file-max=65535" >> /etc/sysctl.conf
echo "vm.overcommit_memory = 1" >> /etc/sysctl.conf
echo "net.core.somaxconn= 1024" >> /etc/sysctl.conf
echo never > /sys/kernel/mm/transparent_hugepage/enabled
sysctl -p

echo "redis.conf config"
mkdir -p $Redis_PREFIX/conf
mkdir -p $Redis_PREFIX/data
cat >>/opt/redis/conf/redis.conf<<EOF
bind 0.0.0.0
requirepass Report@123
protected-mode yes
port 6379
tcp-backlog 511
timeout 0
tcp-keepalive 300
loglevel notice
logfile "/var/log/redis.log"
databases 16
always-show-logo yes
save 900 1
save 300 10
save 60 10000
stop-writes-on-bgsave-error no
rdbcompression yes
rdbchecksum yes
dbfilename dump.rdb
dir ./opt/redis/data/
replica-serve-stale-data yes
replica-read-only yes
repl-diskless-sync no
repl-diskless-sync-delay 5
repl-disable-tcp-nodelay no
replica-priority 100
lazyfree-lazy-eviction no
lazyfree-lazy-expire no
lazyfree-lazy-server-del no
replica-lazy-flush no
appendonly no
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
aof-use-rdb-preamble 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
stream-node-max-bytes 4096
stream-node-max-entries 100
activerehashing yes
client-output-buffer-limit normal 0 0 0
client-output-buffer-limit replica 256mb 64mb 60
client-output-buffer-limit pubsub 32mb 8mb 60
hz 10
dynamic-hz yes
aof-rewrite-incremental-fsync yes
rdb-save-incremental-fsync yes
EOF
 
echo "redis serves the script"
cat >>$redis_service<<EOF
[Unit]
Description=Redis
After=network.target

[Service]
ExecStart=/opt/redis/bin/redis-server /opt/redis/conf/redis.conf
ExecStop=/opt/redis/bin/redis-cli -h 127.0.0.1 -p 6379 shutdown
Restart=always
PrivateTmp=true

[Install]
WantedBy=multi-user.target
EOF

echo "start redis"
systemctl daemon-reload
systemctl enable --now redis.service
systemctl restart redis.service 

echo "firewall redis port"
firewall-cmd --zone=public --add-port=6379/tcp --permanent
firewall-cmd --reload

echo "rm redis" 
rm -rf $data_downloads/*
}

function Deployment_completion_notification (){
   host_ID=`dmidecode -s system-serial-number | sed -r 's/\s+//g'`
   host_IP=`ifconfig -a | grep inet | grep -v '127.0.0.1' | awk '{ print $2}' | awk 'NR==1'`
   memory_Size=`dmidecode -t memory | grep Size | grep -v No | awk '{sum+=$2} END {printf "%.0fG\n",sum/1^C4}'`
   CPU_Model=`cat /proc/cpuinfo | grep 'model name' | awk '{print $6}' | uniq`
   Disk_size=`fdisk -l | grep "sda:" | awk '{print $3$4}'`
   redhat_version=`cat /etc/redhat-release | grep "release" | awk '{print $6}'`
   redhat_core=`cat /proc/version | grep "version" | awk '{print $3}'`
   redis_server=`systemctl status redis.service | grep "Active" | awk '{print $2}'`
   redis_version=`/opt/redis/bin/redis-cli -v | grep "redis" | awk '{print $2}'`
   redis_port=`netstat -lntp | grep "redis-server" | awk '{print $4}'`
   curl 'https://qyapi.weixin.qq.com/cgi-bin/webhook/send?key=XXXX' \
   -H 'Content-Type: application/json' \
   -d '
    {
     "msgtype": "markdown",
      "markdown": {
         "content": " **system check** <font color=\"info\"> complete </font>  \n
         > **Host IP Address** \n
          [http://'$host_IP'](http://'$host_IP') \n
         > **Hardware information** \n
          hostSN:<font color=\"info\"> '$host_ID' </font> \n
          CPU_Model:<font color=\"info\"> '$CPU_Model' </font> \n
          memory_Size:<font color=\"info\"> '$memory_Size' </font> \n
          Disk_size:<font color=\"info\"> '$Disk_size' </font> \n
          System_version:<font color=\"info\"> '$redhat_version' </font> \n
          system_core:<font color=\"info\"> '$redhat_core' </font> \n
         > **redis install** \n
          redis_version:<font color=\"info\"> '$redis_version' </font> \n
          redis_server:<font color=\"info\"> '$redis_server' </font> \n
		  redis_port:<font color=\"info\"> '$redis_port' </font> \n",
      }
   }'
}
 

function main (){
install_redis
Deployment_completion_notification
}
 
main

sh /redis_install.sh