#!/bin/bash

# shellcheck disable=SC1091

set -o errexit
set -o nounset
set -o pipefail
# set -o xtrace # Uncomment this line for debugging purposes

# Load libraries
. /opt/bitnami/scripts/libfs.sh
. /opt/bitnami/scripts/libos.sh
. /opt/bitnami/scripts/libmysql.sh

# Load MySQL environment variables
. /opt/bitnami/scripts/mysql-env.sh

# Ensure mysql unix socket file does not exist
rm -rf "${DB_SOCKET_FILE}.lock"
# Ensure MySQL environment variables settings are valid
mysql_validate
# Ensure MySQL is stopped when this script ends.
trap "mysql_stop" EXIT
if am_i_root; then
    # Ensure 'daemon' user exists when running as 'root'
    ensure_user_exists "$DB_DAEMON_USER" --group "$DB_DAEMON_GROUP"
    # Fix logging issue when running as root
    chmod o+w "$(readlink /dev/stdout)"
fi
# Ensure MySQL is initialized
mysql_initialize
# Allow running custom initialization scripts
mysql_custom_init_scripts
# Stop MySQL before flagging it as fully initialized.
# Relying only on the trap defined above could produce a race condition.
mysql_stop

# Load additional required libraries
# shellcheck disable=SC1091
. /opt/bitnami/scripts/libos.sh
. /opt/bitnami/scripts/libfile.sh
. /opt/bitnami/scripts/libversion.sh

# Enable 'innodb_dedicated_server' configuration option for MySQL 8 dedicated servers (and disable other incompatible options)
major_version="$(get_sematic_version "$(mysql_get_version)" 1)"
if [[ "$major_version" -ge "8" ]] && [[ -n "$DB_IS_DEDICATED_SERVER" ]] && is_boolean_yes "$DB_IS_DEDICATED_SERVER"; then
    read -r -a supported_machine_sizes <<< "$(get_supported_machine_sizes)"
    for machine_size in "${supported_machine_sizes[@]}"; do
        replace_in_file "${DB_CONF_DIR}/bitnami/memory/my-${machine_size}.conf" '^\s*#?(\s*innodb_dedicated_server\s*=)' '\1'
        replace_in_file "${DB_CONF_DIR}/bitnami/memory/my-${machine_size}.conf" '^\s*#?(\s*innodb_buffer_pool_size\s*=)' '#\1'
    done
fi