#!/bin/bash

function bootstrap_db {
    mysqld_safe --wsrep-new-cluster &
    # Wait for the mariadb server to be "Ready" before starting the security reset with a max timeout
    TIMEOUT=${DB_MAX_TIMEOUT:-60}
    while [[ ! -f /var/lib/mysql/mariadb.pid ]]; do
        if [[ ${TIMEOUT} -gt 0 ]]; then
            let TIMEOUT-=1
            sleep 1
        else
            exit 1
        fi
    done
    sudo -E kolla_security_reset
    mysql -u root --password="${DB_ROOT_PASSWORD}" -e "GRANT ALL PRIVILEGES ON *.* TO 'root'@'localhost' IDENTIFIED BY '${DB_ROOT_PASSWORD}' WITH GRANT OPTION;"
    mysql -u root --password="${DB_ROOT_PASSWORD}" -e "GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' IDENTIFIED BY '${DB_ROOT_PASSWORD}' WITH GRANT OPTION;"
    mysqladmin -uroot -p"${DB_ROOT_PASSWORD}" shutdown
}

# Only update permissions if permissions need to be updated
if [[ $(stat -c %U:%G /var/lib/mysql) != "mysql:mysql" ]]; then
    sudo chown mysql: /var/lib/mysql
fi

# Create log directory, with appropriate permissions
if [[ ! -d "/var/log/kolla/mariadb" ]]; then
    mkdir -p /var/log/kolla/mariadb
fi
if [[ $(stat -c %a /var/log/kolla/mariadb) != "755" ]]; then
    chmod 755 /var/log/kolla/mariadb
fi

# This catches all cases of the BOOTSTRAP variable being set, including empty
if [[ "${!KOLLA_BOOTSTRAP[@]}" ]] && [[ ! -e /var/lib/mysql/cluster.exists ]]; then
    mysql_install_db
    bootstrap_db
    touch /var/lib/mysql/cluster.exists
fi