#!/bin/bash
set -e
REDIS_VERSION=5.0.5
REDIS_HASH="2139009799d21d8ff94fc40b7f36ac46699b9e1254086299f8d3b223ca54a375"

cd /tmp

# Prepare Redis source.
wget http://download.redis.io/releases/redis-$REDIS_VERSION.tar.gz
echo "$REDIS_HASH redis-$REDIS_VERSION.tar.gz" | sha256sum -c
tar zxf redis-$REDIS_VERSION.tar.gz
cd redis-$REDIS_VERSION

# Building and installing binaries.
make && make install PREFIX=/usr

# Add `redis` user and group.
adduser --system --home /var/lib/redis --quiet --group redis || true

# Configure Redis.
mkdir -p /etc/redis
mkdir -p /var/lib/redis
mkdir -p /var/log/redis
cp /tmp/redis-$REDIS_VERSION/redis.conf /etc/redis

chown -R redis:redis /var/lib/redis
chmod 750 /var/lib/redis

chown -R redis:redis /var/log/redis
chmod 750 /var/log/redis

# Clean up.
cd / && rm -rf /tmp/redis*