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LEMPer/scripts/remove_mariadb.sh
2024-05-03 09:13:34 +07:00

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#!/usr/bin/env bash
# MariaDB server 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 mariadb_remove_config() {
# Remove MariaDB server config files.
echo "Removing MariaDB (MySQL) configuration..."
warning "!! This action is not reversible !!"
if [[ "${AUTO_REMOVE}" == true ]]; then
if [[ "${FORCE_REMOVE}" == true ]]; then
REMOVE_MYSQL_CONFIG="y"
else
REMOVE_MYSQL_CONFIG="n"
fi
else
while [[ "${REMOVE_MYSQL_CONFIG}" != "y" && "${REMOVE_MYSQL_CONFIG}" != "n" ]]; do
read -rp "Remove MariaDB database and configuration files? [y/n]: " -e REMOVE_MYSQL_CONFIG
done
fi
if [[ "${REMOVE_MYSQL_CONFIG}" == y* || "${REMOVE_MYSQL_CONFIG}" == Y* ]]; then
[ -d /etc/mysql ] && run rm -fr /etc/mysql
[ -d /var/lib/mysql ] && run rm -fr /var/lib/mysql
echo "All database and configuration files deleted permanently."
fi
}
function init_mariadb_removal() {
MYSQL_VERSION=${MYSQL_VERSION:-"10.5"}
# Stop MariaDB mysql server process.
if [[ $(pgrep -c mariadb) -gt 0 ]]; then
echo "Stopping mariadb..."
run systemctl stop mariadb.service
run systemctl disable mariadb.service
fi
if dpkg-query -l | awk '/mariadb/ { print $2 }' | grep -qwE "^mariadb-server-${MYSQL_VERSION}"; then
echo "Found MariaDB ${MYSQL_VERSION} packages installation, removing..."
# Remove MariaDB server.
run apt-get purge -q -y libmariadb-dev libmariadb3 libmariadbclient18 mariadb-client mariadb-client-core \
mariadb-common mariadb-server mariadb-server-core mariadb-backup
# Remove config.
mariadb_remove_config
# Remove repository.
if [[ "${FORCE_REMOVE}" == true ]]; then
[ -f /etc/apt/preferences.d/mariadb-enterprise.pref ] && \
run rm -f /etc/apt/preferences.d/mariadb-enterprise.pref
[ -f /etc/apt/sources.list.d/mariadb.list ] && \
run rm -f /etc/apt/sources.list.d/mariadb.list
fi
elif dpkg-query -l | awk '/mysql/ { print $2 }' | grep -qwE "^mysql"; then
echo "Found MySQL packages installation, removing..."
# Remove MySQL server.
run apt-get purge -q -y mysql-server mysql-client mysql-common mysql-server-core* mysql-client-core*
# Remove config.
mariadb_remove_config
else
echo "No installed MariaDB ${MYSQL_VERSION} or MySQL packages found."
echo "Possibly installed from source? Remove it manually!"
MYSQL_BIN=$(command -v mysql)
MYSQLD_BIN=$(command -v mysqld)
echo "MySQL binary executable: ${MYSQL_BIN}"
echo "MySQL daemon binary executable: ${MYSQLD_BIN}"
fi
# Final test.
if [[ "${DRYRUN}" != true ]]; then
if [[ -z $(command -v mysqld) ]]; then
success "MariaDB (MySQL) server removed."
else
info "MariaDB (MySQL) server not removed."
fi
else
info "MariaDB (MySQL) server removed in dry run mode."
fi
}
echo "Uninstalling MariaDB server..."
if [[ -n $(command -v mariadb) || -n $(command -v mariadbd) ]]; then
if [[ "${AUTO_REMOVE}" == true ]]; then
REMOVE_MARIADB="y"
else
while [[ "${REMOVE_MARIADB}" != "y" && "${REMOVE_MARIADB}" != "n" ]]; do
read -rp "Are you sure to remove MariaDB server? [y/n]: " -e REMOVE_MARIADB
done
fi
if [[ "${REMOVE_MARIADB}" == y* || "${REMOVE_MARIADB}" == Y* ]]; then
init_mariadb_removal "$@"
else
echo "Found MariaDB server, but not removed."
fi
else
info "Oops, MariaDB server installation not found."
fi