mirror of
https://github.com/joglomedia/LEMPer.git
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243 lines
9.7 KiB
Bash
Executable File
243 lines
9.7 KiB
Bash
Executable File
#!/usr/bin/env bash
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# MariaDB (MySQL) Installer
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# Min. Requirement : GNU/Linux Ubuntu 14.04 & 16.04
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# Last Build : 24/08/2019
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# Author : ESLabs.ID (eslabs.id@gmail.com)
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# Since Version : 1.0.0
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# Include helper functions.
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if [ "$(type -t run)" != "function" ]; then
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BASEDIR=$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )
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# shellchechk source=scripts/helper.sh
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# shellcheck disable=SC1090
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. "${BASEDIR}/helper.sh"
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fi
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# Make sure only root can run this installer script.
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requires_root
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function add_mariadb_repo() {
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echo "Adding MariaDB (MySQL) repository..."
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DISTRIB_NAME=${DISTRIB_NAME:-$(get_distrib_name)}
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RELEASE_NAME=${RELEASE_NAME:-$(get_release_name)}
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MYSQL_SERVER=${MYSQL_SERVER:-"mariadb"}
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MYSQL_VERSION=${MYSQL_VERSION:-"10.4"}
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# Add MariaDB official repo.
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# Ref: https://mariadb.com/kb/en/library/mariadb-package-repository-setup-and-usage/
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MARIADB_REPO_SETUP_URL="https://downloads.mariadb.com/MariaDB/mariadb_repo_setup"
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if curl -sL --head "${MARIADB_REPO_SETUP_URL}" | grep -q "HTTP/[.12]* [2].."; then
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run curl -sS -o "${BUILD_DIR}/mariadb_repo_setup" "${MARIADB_REPO_SETUP_URL}" && \
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run bash "${BUILD_DIR}/mariadb_repo_setup" --mariadb-server-version="mariadb-${MYSQL_VERSION}" \
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--os-type="${DISTRIB_NAME}" --os-version="${RELEASE_NAME}" && \
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run apt update -qq -y
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else
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error "MariaDB repo installer not found."
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fi
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}
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function init_mariadb_install() {
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MYSQL_VERSION=${MYSQL_VERSION:-"10.4"}
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if "${AUTO_INSTALL}"; then
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DO_INSTALL_MYSQL="y"
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else
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while [[ "${DO_INSTALL_MYSQL}" != "y" && "${DO_INSTALL_MYSQL}" != "n" ]]; do
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read -rp "Do you want to install MariaDB (MySQL) database server? [y/n]: " \
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-i y -e DO_INSTALL_MYSQL
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done
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fi
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if [[ ${DO_INSTALL_MYSQL} == y* && ${INSTALL_MYSQL} == true ]]; then
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# Add repository.
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add_mariadb_repo
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echo "Installing MariaDB (MySQL drop-in replacement) server..."
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# Install MariaDB
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if hash apt 2>/dev/null; then
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run apt install -qq -y libmariadb3 libmariadbclient18 "mariadb-client-${MYSQL_VERSION}" \
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"mariadb-client-core-${MYSQL_VERSION}" mariadb-common mariadb-server "mariadb-server-${MYSQL_VERSION}" \
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"mariadb-server-core-${MYSQL_VERSION}" mariadb-backup
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else
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fail "Unable to install MariaDB, this GNU/Linux distribution is not supported."
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fi
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# Configure MySQL installation.
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if "${DRYRUN}"; then
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info "MariaDB (MySQL) installed in dryrun mode."
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else
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if [[ -n $(command -v mysql) ]]; then
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if [ ! -f /etc/mysql/my.cnf ]; then
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run cp -f etc/mysql/my.cnf /etc/mysql/
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fi
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if [ ! -f /etc/mysql/mariadb.cnf ]; then
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run cp -f etc/mysql/mariadb.cnf /etc/mysql/
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fi
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if [ ! -f /etc/mysql/debian.cnf ]; then
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run cp -f etc/mysql/debian.cnf /etc/mysql/
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fi
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if [ ! -f /etc/mysql/debian-start ]; then
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run cp -f etc/mysql/debian-start /etc/mysql/
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run chmod +x /etc/mysql/debian-start
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fi
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# init script.
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if [ ! -f /etc/init.d/mysql ]; then
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run cp etc/init.d/mysql /etc/init.d/
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run chmod ugo+x /etc/init.d/mysql
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fi
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# systemd script.
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if [ ! -f /lib/systemd/system/mariadb.service ]; then
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run cp etc/systemd/mariadb.service /lib/systemd/system/
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fi
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if [[ ! -f /etc/systemd/system/multi-user.target.wants/mariadb.service && -f /lib/systemd/system/mariadb.service ]]; then
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run ln -s /lib/systemd/system/mariadb.service \
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/etc/systemd/system/multi-user.target.wants/mariadb.service
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fi
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if [[ ! -f /etc/systemd/system/mysqld.service && -f /lib/systemd/system/mariadb.service ]]; then
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run ln -s /lib/systemd/system/mariadb.service \
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/etc/systemd/system/mysqld.service
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fi
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if [[ ! -f /etc/systemd/system/mysql.service && -f /lib/systemd/system/mariadb.service ]]; then
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run ln -s /lib/systemd/system/mariadb.service \
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/etc/systemd/system/mysql.service
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fi
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# Trying to reload daemon.
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run systemctl daemon-reload
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# Unmask systemd service (?)
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run systemctl unmask mariadb.service
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# Enable MariaDB on startup.
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run systemctl enable mariadb.service
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# Restart MariaDB service daemon.
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run systemctl start mariadb
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#run service mysql start
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# MySQL Secure Install.
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if "${AUTO_INSTALL}"; then
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echo "Securing MariaDB (MySQL) Installation..."
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# Ref: https://bertvv.github.io/notes-to-self/2015/11/16/automating-mysql_secure_installation/
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MYSQL_ROOT_PASS=${MYSQL_ROOT_PASS:-$(openssl rand -base64 64 | tr -dc 'a-zA-Z0-9' | fold -w 16 | head -n 1)}
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local SQL_QUERY=""
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# Setting the database root password.
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SQL_QUERY="ALTER USER 'root'@'localhost' IDENTIFIED BY '${MYSQL_ROOT_PASS}';"
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# Delete anonymous users.
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SQL_QUERY="${SQL_QUERY}
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DELETE FROM mysql.user WHERE User='';"
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# Ensure the root user can not log in remotely.
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SQL_QUERY="${SQL_QUERY}
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DELETE FROM mysql.user WHERE User='root' AND Host NOT IN ('localhost', '127.0.0.1', '::1');"
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# Remove the test database.
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SQL_QUERY="${SQL_QUERY}
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DROP DATABASE IF EXISTS test;
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DELETE FROM mysql.db WHERE Db='test' OR Db='test\_%';"
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# Flush the privileges tables.
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SQL_QUERY="${SQL_QUERY}
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FLUSH PRIVILEGES;"
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# Root password is blank for newly installed MariaDB (MySQL).
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if mysql --user=root --password="" -e "${SQL_QUERY}"; then
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success "Securing MariaDB (MySQL) installation has been done."
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else
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error "Unable to secure MariaDB (MySQL) installation."
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fi
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else
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# Ref: https://mariadb.com/kb/en/library/security-of-mariadb-root-account/
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run mysql_secure_installation
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fi
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fi
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if [[ $(pgrep -c mysql) -gt 0 ]]; then
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success "MariaDB (MySQL) installed successfully."
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enable_mariabackup
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else
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info "Something went wrong with MariaDB (MySQL) installation."
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fi
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fi
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fi
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}
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function enable_mariabackup() {
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echo ""
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echo "Mariabackup will be installed and enabled by default."
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echo "It is useful to backup and restore MariaDB database."
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echo ""
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sleep 1
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export MARIABACKUP_USER=${MARIABACKUP_USER:-"lemperdb"}
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MARIABACKUP_PASS=${MARIABACKUP_PASS:-$(openssl rand -base64 64 | tr -dc 'a-zA-Z0-9' | fold -w 16 | head -n 1)}
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export MARIABACKUP_PASS
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echo "Please enter your current MySQL root password to process!"
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until [[ "${MYSQL_ROOT_PASS}" != "" ]]; do
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echo -n "MySQL root password: "; stty -echo; read -r MYSQL_ROOT_PASS; stty echo; echo
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done
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export MYSQL_ROOT_PASS
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# Create default LEMPer database user if not exists.
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if ! mysql -u root -p"${MYSQL_ROOT_PASS}" -e "SELECT User FROM mysql.user;" | grep -q "${MARIABACKUP_USER}"; then
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# Create mariabackup user.
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SQL_QUERY="CREATE USER '${MARIABACKUP_USER}'@'localhost' IDENTIFIED BY '${MARIABACKUP_PASS}';
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GRANT RELOAD, PROCESS, LOCK TABLES, REPLICATION CLIENT ON *.* TO '${MARIABACKUP_USER}'@'localhost';"
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mysql -u "root" -p"${MYSQL_ROOT_PASS}" -e "${SQL_QUERY}"
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# Update my.cnf
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MARIABACKUP_CNF="
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###################################
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# Custom optimization for LEMPer
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#
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[mariabackup]
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user=${MARIABACKUP_USER}
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password=${MARIABACKUP_PASS}
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open_files_limit=65535
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"
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if [ -d /etc/mysql/mariadb.conf.d ]; then
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touch /etc/mysql/mariadb.conf.d/50-mariabackup.cnf
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echo "${MARIABACKUP_CNF}" >> /etc/mysql/mariadb.conf.d/50-mariabackup.cnf
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else
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echo "${MARIABACKUP_CNF}" >> /etc/mysql/my.cnf
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fi
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systemctl restart mariadb
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success "Mariaback user '${MARIABACKUP_USER}' added successfully."
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# Save config.
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save_config -e "MYSQL_ROOT_PASS=${MYSQL_ROOT_PASS}\nMARIABACKUP_USERNAME=${MARIABACKUP_USER}\nMARIABACKUP_PASSWORD=${MARIABACKUP_PASS}"
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# Save log.
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save_log -e "MariaDB (MySQL) credentials.\nMySQL Root Password: ${MYSQL_ROOT_PASS}, MariaBackup DB Username: ${MARIABACKUP_USER}, MariaBackup DB Password: ${MARIABACKUP_PASS}\nSave this credential and use it to authenticate your MySQL database connection."
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else
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info "It seems that user '${MARIABACKUP_USER}' already exists. \
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Or try to add mariabackup user manually! "
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fi
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}
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echo "[MariaDB (MySQL drop-in replacement) Installation]"
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# Start running things from a call at the end so if this script is executed
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# after a partial download it doesn't do anything.
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if [[ -n $(command -v mysql) && -n $(command -v mysqld) ]]; then
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info "MariaDB (MySQL) web server already exists. Installation skipped..."
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else
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init_mariadb_install "$@"
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fi
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