Prepare

Create Redis User

groupadd redis
useradd -g redis redis -s /sbin/nologin -M

Create Directory

# data directory
mkdir -pv /data/redis
chown -R redis:redis /data/redis

# log directory
mkdir -pv /data/logs/redis
chown -R redis:redis /data/logs/redis

# command line directory
mkdir -pv /usr/local/redis/{bin,etc}

Compiling

# install clang
yum install clang -y

cd /data/packages
# Download
wget http://download.redis.io/releases/redis-6.2.6.tar.gz

# unzip
tar -zxvf redis-6.2.6.tar.gz

# compile and install
cd redis-6.2.6 && CC=clang make
# If you get a compilation error, you need to use `make MALLOC=libc`
install -p -D -m 0755 src/redis-benchmark /usr/local/redis/bin/
install -p -D -m 0755 src/redis-check-aof /usr/local/redis/bin/
install -p -D -m 0755 src/redis-check-rdb /usr/local/redis/bin/
install -p -D -m 0755 src/redis-cli /usr/local/redis/bin/
install -p -D -m 0755 src/redis-sentinel /usr/local/redis/bin/
install -p -D -m 0755 src/redis-server /usr/local/redis/bin/
install -p -D -o redis redis.conf /usr/local/redis/etc/
ln -svf /usr/local/redis/bin/redis-cli /usr/bin/redis-cli

Config

Edit Config

export REDIS_HOME=/usr/local/redis
sed -i s@'^logfile .*'@"logfile /data/logs/redis/redis.log"@ $REDIS_HOME/etc/redis.conf
sed -i s@'^dir .*'@"dir /data/redis"@ $REDIS_HOME/etc/redis.conf
sed -i s@'^pidfile .*'@"pidfile /data/redis/redis_6379.pid"@ $REDIS_HOME/etc/redis.conf
sed -i s@'^bind .*'@"bind 0.0.0.0"@ $REDIS_HOME/etc/redis.conf

Shutdown script

# Create `redis-shutdown` script
vim /usr/local/redis/bin/redis-shutdown

#!/bin/bash
test x"$REDIS_DEBUG" != x && set -x

REDIS_CLI=/usr/local/redis/bin/redis-cli

SERVICE_NAME="$1"
if [ -z "$SERVICE_NAME" ]; then
   SERVICE_NAME=redis
fi

CONFIG_FILE="/usr/local/redis/etc/$SERVICE_NAME.conf"

HOST=`awk '/^[[:blank:]]*bind/ { print $2 }' $CONFIG_FILE | tail -n1`
PORT=`awk '/^[[:blank:]]*port/ { print $2 }' $CONFIG_FILE | tail -n1`
PASS=`awk '/^[[:blank:]]*requirepass/ { print $2 }' $CONFIG_FILE | tail -n1`
SOCK=`awk '/^[[:blank:]]*unixsocket\s/ { print $2 }' $CONFIG_FILE | tail -n1`

HOST=${HOST:-127.0.0.1}
if [ "$SERVICE_NAME" = redis ]; then
    PORT=${PORT:-6379}
else
    PORT=${PORT:-26739}
fi

[ -z "$PASS"  ] || ADDITIONAL_PARAMS="-a $PASS"

if [ -e "$SOCK" ] ; then
        $REDIS_CLI -s $SOCK $ADDITIONAL_PARAMS shutdown
else
        $REDIS_CLI -h $HOST -p $PORT $ADDITIONAL_PARAMS shutdown
fi

chmod +x /usr/local/redis/bin/redis-shutdown

Create Systemd Service

cat >/usr/lib/systemd/system/redis.service<<EOF
[Unit]
Description=Redis persistent key-value database
After=network.target
After=network-online.target
Wants=network-online.target

[Service]
ExecStart=/usr/local/redis/bin/redis-server /usr/local/redis/etc/redis.conf --supervised systemd
ExecStop=/usr/local/redis/bin/redis-shutdown
Type=simple
User=redis
Group=redis
RuntimeDirectory=redis
RuntimeDirectoryMode=0755
LimitNOFILE=10240

[Install]
WantedBy=multi-user.target
EOF

# start redis
systemctl daemon-reload
systemctl start redis
systemctl enable redis
systemctl status redis