valkey/migrate_redis_to_valkey.bash

46 lines
1.7 KiB
Bash

#!/bin/bash
# Identify whether any config files exist
configfiles=($(find /etc/redis -maxdepth 1 -name "*.conf"))
redisunits=($(find /etc/systemd/system/redis.target.wants -maxdepth 1 -name "redis@*.service" -execdir basename {} \;))
sentinelunits=($(find /etc/systemd/system/redis.target.wants -maxdepth 1 -name "redis-sentinel@*.service" -execdir basename {} \;))
if [ ${#configfiles[@]} -gt 0 ]; then
for configfile in ${configfiles[@]}
do
configfilename=$(basename "$configfile")
cp $configfile /etc/valkey/$configfilename
chown root:valkey /etc/valkey/$configfilename
if [[ $configfilename == sentinel-*.conf ]]; then
# Sentinel config files need to be writable by valkey group
chmod 660 /etc/valkey/$configfilename
fi
mv $configfile ${configfile}.bak
done
sed -e 's|^dir\s.*|dir /var/lib/valkey|g' -i /etc/valkey/*.conf
sed -e 's|^logfile\s/var/log/redis/|logfile /var/log/valkey/|g' -i /etc/valkey/*.conf
echo "/etc/redis/*.conf has been copied to /etc/valkey. Manual review of adjusted configs is strongly suggested."
fi
if test -x /usr/bin/systemctl; then
if [ ${#redisunits[@]} -gt 0 ]; then
for redisunit in ${redisunits[@]}
do
systemctl disable "${redisunit}"
systemctl enable "valkey@${redisunit##*@}"
done
fi
if [ ${#sentinelunits[@]} -gt 0 ]; then
for sentinelunit in ${sentinelunits[@]}
do
systemctl disable "${sentinelunit}"
systemctl enable "valkey-sentinel@${sentinelunit##*@}"
done
fi
fi
if [ -d /var/lib/redis ]; then
cp -r /var/lib/redis/* /var/lib/valkey/
chown -R valkey:valkey /var/lib/valkey
mv /var/lib/redis /var/lib/redis.bak
echo "On-disk redis dumps copied from /var/lib/redis/ to /var/lib/valkey"
fi