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LEMPer/scripts/remove_redis.sh
2024-05-02 00:27:21 +07:00

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#!/usr/bin/env bash
# Redis Uninstaller
# Min. Requirement : GNU/Linux Ubuntu 18.04
# Last Build : 12/02/2022
# Author : MasEDI.Net (me@masedi.net)
# Since Version : 1.0.0
# Include helper functions.
if [[ "$(type -t run)" != "function" ]]; then
BASE_DIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )
# shellcheck disable=SC1091
. "${BASE_DIR}/utils.sh"
# Make sure only root can run this installer script.
requires_root "$@"
# Make sure only supported distribution can run this installer script.
preflight_system_check
fi
function init_redis_removal() {
# Stop Redis server process.
if [[ $(pgrep -c redis-server) -gt 0 ]]; then
echo "Stopping redis-server..."
run systemctl stop redis-server
run systemctl disable redis-server
fi
# Remove Redis server.
if dpkg-query -l | awk '/redis/ { print $2 }' | grep -qwE "^redis-server"; then
echo "Found Redis package installation. Removing..."
# shellcheck disable=SC2046
run apt-get purge -q -y $(dpkg-query -l | awk '/redis/ { print $2 }' | grep -wE "^redis")
else
info "Redis package not found, possibly installed from source."
echo "Remove it manually!!"
REDIS_BIN=$(command -v redis-server)
echo "Deleting Redis binary executable: ${REDIS_BIN}"
[[ -n $(command -v redis-server) ]] && run rm -f "${REDIS_BIN}"
fi
# Remove Redis config files.
warning "!! This action is not reversible !!"
if [[ "${AUTO_REMOVE}" == true ]]; then
if [[ "${FORCE_REMOVE}" == true ]]; then
REMOVE_REDIS_CONFIG="y"
else
REMOVE_REDIS_CONFIG="n"
fi
else
while [[ "${REMOVE_REDIS_CONFIG}" != "y" && "${REMOVE_REDIS_CONFIG}" != "n" ]]; do
read -rp "Remove Redis database and configuration files? [y/n]: " -e REMOVE_REDIS_CONFIG
done
fi
if [[ "${REMOVE_REDIS_CONFIG}" == Y* || "${REMOVE_REDIS_CONFIG}" == y* ]]; then
[ -d /etc/redis ] && run rm -fr /etc/redis
[ -d /var/lib/redis ] && run rm -fr /var/lib/redis
# Remove repository.
run rm -f "/etc/apt/sources.list.d/redis-${RELEASE_NAME}.list"
run rm -f "/usr/share/keyrings/redis-${RELEASE_NAME}.gpg"
echo "All your Redis database and configuration files deleted permanently."
fi
# Final test.
if [[ "${DRYRUN}" != true ]]; then
run systemctl daemon-reload
if [[ -z $(command -v redis-server) ]]; then
success "Redis server removed succesfully."
else
info "Unable to remove Redis server."
fi
else
info "Redis server removed in dry run mode."
fi
}
echo "Uninstalling Redis server..."
if [[ -n $(command -v redis-server) ]]; then
if [[ "${AUTO_REMOVE}" == true ]]; then
REMOVE_REDIS="y"
else
while [[ "${REMOVE_REDIS}" != "y" && "${REMOVE_REDIS}" != "n" ]]; do
read -rp "Are you sure to remove Redis server? [y/n]: " -e REMOVE_REDIS
done
fi
if [[ "${REMOVE_REDIS}" == Y* || "${REMOVE_REDIS}" == y* || "${AUTO_REMOVE}" == true ]]; then
init_redis_removal "$@"
else
echo "Found Redis server, but not removed."
fi
else
info "Oops, Redis installation not found."
fi