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scripts/db/mariadb.sh
casjay 9b376b0fd6
🦈🏠🐜❗ Initial Commit ❗🐜🦈🏠
2023-04-06 19:28:01 -04:00

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#!/usr/bin/env bash
set -eo pipefail
shopt -s nullglob
MARIADB_ROOT_HOST="%"
MARIADB_AUTO_UPGRADE="yes"
MARIADB_DATABASE="$DATABASE_CREATE"
MARIADB_USER="$DATABASE_USER_NORMAL"
MARIADB_PASSWORD="$DATABASE_PASS_NORMAL"
MARIADB_ROOT_PASSWORD="$DATABASE_PASS_ROOT"
MARIADB_ALLOW_EMPTY_ROOT_PASSWORD=""
MARIADB_INITDB_SKIP_TZINFO=""
MARIADB_RANDOM_ROOT_PASSWORD=""
# logging functions
mysql_log() {
local type="$1"
shift
printf '%s [%s] [Entrypoint]: %s\n' "$(date --rfc-3339=seconds)" "$type" "$*"
}
mysql_note() {
mysql_log Note "$@"
}
mysql_warn() {
mysql_log Warn "$@" >&2
}
mysql_error() {
mysql_log ERROR "$@" >&2
exit 1
}
# usage: file_env VAR [DEFAULT]
# ie: file_env 'XYZ_DB_PASSWORD' 'example'
# (will allow for "$XYZ_DB_PASSWORD_FILE" to fill in the value of
# "$XYZ_DB_PASSWORD" from a file, especially for Docker's secrets feature)
file_env() {
local var="$1"
local fileVar="${var}_FILE"
local def="${2:-}"
if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
mysql_error "Both $var and $fileVar are set (but are exclusive)"
fi
local val="$def"
if [ "${!var:-}" ]; then
val="${!var}"
elif [ "${!fileVar:-}" ]; then
val="$(<"${!fileVar}")"
fi
export "$var"="$val"
unset "$fileVar"
}
# set MARIADB_xyz from MYSQL_xyz when MARIADB_xyz is unset
# and make them the same value (so user scripts can use either)
_mariadb_file_env() {
local var="$1"
shift
local maria="MARIADB_${var#MYSQL_}"
file_env "$var" "$@"
file_env "$maria" "${!var}"
if [ "${!maria:-}" ]; then
export "$var"="${!maria}"
fi
}
# check to see if this file is being run or sourced from another script
_is_sourced() {
# https://unix.stackexchange.com/a/215279
[ "${#FUNCNAME[@]}" -ge 2 ] &&
[ "${FUNCNAME[0]}" = '_is_sourced' ] &&
[ "${FUNCNAME[1]}" = 'source' ]
}
# usage: docker_process_init_files [file [file [...]]]
# ie: docker_process_init_files /always-initdb.d/*
# process initializer files, based on file extensions
docker_process_init_files() {
# mysql here for backwards compatibility "${mysql[@]}"
# ShellCheck: mysql appears unused. Verify use (or export if used externally)
# shellcheck disable=SC2034
mysql=(docker_process_sql)
echo
local f
for f; do
case "$f" in
*.sh)
# https://github.com/docker-library/postgres/issues/450#issuecomment-393167936
# https://github.com/docker-library/postgres/pull/452
if [ -x "$f" ]; then
mysql_note "$0: running $f"
"$f"
else
mysql_note "$0: sourcing $f"
# ShellCheck can't follow non-constant source. Use a directive to specify location.
# shellcheck disable=SC1090
. "$f"
fi
;;
*.sql)
mysql_note "$0: running $f"
docker_process_sql <"$f"
echo
;;
*.sql.gz)
mysql_note "$0: running $f"
gunzip -c "$f" | docker_process_sql
echo
;;
*.sql.xz)
mysql_note "$0: running $f"
xzcat "$f" | docker_process_sql
echo
;;
*.sql.zst)
mysql_note "$0: running $f"
zstd -dc "$f" | docker_process_sql
echo
;;
*) mysql_warn "$0: ignoring $f" ;;
esac
echo
done
}
# arguments necessary to run "mariadbd --verbose --help" successfully (used for testing configuration validity and for extracting default/configured values)
_verboseHelpArgs=(
--verbose --help
)
mysql_check_config() {
local toRun=("$@" "${_verboseHelpArgs[@]}") errors
if ! errors="$("${toRun[@]}" 2>&1 >/dev/null)"; then
mysql_error $'mariadbd failed while attempting to check config\n\tcommand was: '"${toRun[*]}"$'\n\t'"$errors"
fi
}
# Fetch value from server config
# We use mariadbd --verbose --help instead of my_print_defaults because the
# latter only show values present in config files, and not server defaults
mysql_get_config() {
local conf="$1"
shift
"$@" "${_verboseHelpArgs[@]}" 2>/dev/null |
awk -v conf="$conf" '$1 == conf && /^[^ \t]/ { sub(/^[^ \t]+[ \t]+/, ""); print; exit }'
# match "datadir /some/path with/spaces in/it here" but not "--xyz=abc\n datadir (xyz)"
}
# Do a temporary startup of the MariaDB server, for init purposes
docker_temp_server_start() {
"$@" --skip-networking --default-time-zone=SYSTEM --socket="${SOCKET}" --wsrep_on=OFF \
--expire-logs-days=0 \
--loose-innodb_buffer_pool_load_at_startup=0 &
declare -g MARIADB_PID
MARIADB_PID=$!
mysql_note "Waiting for server startup"
# only use the root password if the database has already been initialized
# so that it won't try to fill in a password file when it hasn't been set yet
extraArgs=()
if [ -z "$DATABASE_ALREADY_EXISTS" ]; then
extraArgs+=('--dont-use-mysql-root-password')
fi
local i
for i in {30..0}; do
if docker_process_sql "${extraArgs[@]}" --database=mysql <<<'SELECT 1' &>/dev/null; then
break
fi
sleep 1
done
if [ "$i" = 0 ]; then
mysql_error "Unable to start server."
fi
}
# Stop the server. When using a local socket file mariadb-admin will block until
# the shutdown is complete.
docker_temp_server_stop() {
kill "$MARIADB_PID"
wait "$MARIADB_PID"
}
# Verify that the minimally required password settings are set for new databases.
docker_verify_minimum_env() {
if [ -z "$MARIADB_ROOT_PASSWORD" ] && [ -z "$MARIADB_ROOT_PASSWORD_HASH" ] && [ -z "$MARIADB_ALLOW_EMPTY_ROOT_PASSWORD" ] && [ -z "$MARIADB_RANDOM_ROOT_PASSWORD" ]; then
mysql_error $'Database is uninitialized and password option is not specified\n\tYou need to specify one of MARIADB_ROOT_PASSWORD, MARIADB_ROOT_PASSWORD_HASH, MARIADB_ALLOW_EMPTY_ROOT_PASSWORD and MARIADB_RANDOM_ROOT_PASSWORD'
fi
# More preemptive exclusions of combinations should have been made before *PASSWORD_HASH was added, but for now we don't enforce due to compatibility.
if [ -n "$MARIADB_ROOT_PASSWORD" ] || [ -n "$MARIADB_ALLOW_EMPTY_ROOT_PASSWORD" ] || [ -n "$MARIADB_RANDOM_ROOT_PASSWORD" ] && [ -n "$MARIADB_ROOT_PASSWORD_HASH" ]; then
mysql_error "Cannot specify MARIADB_ROOT_PASSWORD_HASH and another MARIADB_ROOT_PASSWORD* option."
fi
if [ -n "$MARIADB_PASSWORD" ] && [ -n "$MARIADB_PASSWORD_HASH" ]; then
mysql_error "Cannot specify MARIADB_PASSWORD_HASH and MARIADB_PASSWORD option."
fi
}
# creates folders for the database
# also ensures permission for user mysql of run as root
docker_create_db_directories() {
local user
user="$(id -u)"
# TODO other directories that are used by default? like /var/lib/mysql-files
# see https://github.com/docker-library/mysql/issues/562
mkdir -p "$DATADIR"
if [ "$user" = "0" ]; then
# this will cause less disk access than `chown -R`
find "$DATADIR" \! -user mysql -exec chown mysql: '{}' +
# See https://github.com/MariaDB/mariadb-docker/issues/363
find "${SOCKET%/*}" -maxdepth 0 \! -user mysql -exec chown mysql: '{}' \;
fi
}
_mariadb_version() {
local mariaVersion="${MARIADB_VERSION##*:}"
mariaVersion="${mariaVersion%%[-+~]*}"
echo -n "${mariaVersion}-MariaDB"
}
# initializes the database directory
docker_init_database_dir() {
mysql_note "Initializing database files"
installArgs=(--datadir="$DATADIR" --rpm --auth-root-authentication-method=normal)
# "Other options are passed to mariadbd." (so we pass all "mysqld" arguments directly here)
mariadb-install-db "${installArgs[@]}" "${@:2}" \
--skip-test-db \
--old-mode='UTF8_IS_UTF8MB3' \
--default-time-zone=SYSTEM --enforce-storage-engine= \
--skip-log-bin \
--expire-logs-days=0 \
--loose-innodb_buffer_pool_load_at_startup=0 \
--loose-innodb_buffer_pool_dump_at_shutdown=0
mysql_note "Database files initialized"
}
# Loads various settings that are used elsewhere in the script
# This should be called after mysql_check_config, but before any other functions
docker_setup_env() {
# Get config
declare -g DATADIR SOCKET
DATADIR="$(mysql_get_config 'datadir' "$@")"
SOCKET="$(mysql_get_config 'socket' "$@")"
# Initialize values that might be stored in a file
_mariadb_file_env 'MYSQL_ROOT_HOST' '%'
_mariadb_file_env 'MYSQL_DATABASE'
_mariadb_file_env 'MYSQL_USER'
_mariadb_file_env 'MYSQL_PASSWORD'
_mariadb_file_env 'MYSQL_ROOT_PASSWORD'
# No MYSQL_ compatibility needed for new variables
file_env 'MARIADB_PASSWORD_HASH'
file_env 'MARIADB_ROOT_PASSWORD_HASH'
# set MARIADB_ from MYSQL_ when it is unset and then make them the same value
: "${MARIADB_ALLOW_EMPTY_ROOT_PASSWORD:=${MYSQL_ALLOW_EMPTY_PASSWORD:-}}"
export MYSQL_ALLOW_EMPTY_PASSWORD="$MARIADB_ALLOW_EMPTY_ROOT_PASSWORD" MARIADB_ALLOW_EMPTY_ROOT_PASSWORD
: "${MARIADB_RANDOM_ROOT_PASSWORD:=${MYSQL_RANDOM_ROOT_PASSWORD:-}}"
export MYSQL_RANDOM_ROOT_PASSWORD="$MARIADB_RANDOM_ROOT_PASSWORD" MARIADB_RANDOM_ROOT_PASSWORD
: "${MARIADB_INITDB_SKIP_TZINFO:=${MYSQL_INITDB_SKIP_TZINFO:-}}"
export MYSQL_INITDB_SKIP_TZINFO="$MARIADB_INITDB_SKIP_TZINFO" MARIADB_INITDB_SKIP_TZINFO
declare -g DATABASE_ALREADY_EXISTS
if [ -d "$DATADIR/mysql" ]; then
DATABASE_ALREADY_EXISTS='true'
fi
}
# Execute the client, use via docker_process_sql to handle root password
docker_exec_client() {
# args sent in can override this db, since they will be later in the command
if [ -n "$MYSQL_DATABASE" ]; then
set -- --database="$MYSQL_DATABASE" "$@"
fi
mariadb --protocol=socket -uroot -hlocalhost --socket="${SOCKET}" "$@"
}
# Execute sql script, passed via stdin
# usage: docker_process_sql [--dont-use-mysql-root-password] [mysql-cli-args]
# ie: docker_process_sql --database=mydb <<<'INSERT ...'
# ie: docker_process_sql --dont-use-mysql-root-password --database=mydb <my-file.sql
docker_process_sql() {
if [ '--dont-use-mysql-root-password' = "$1" ]; then
shift
MYSQL_PWD='' docker_exec_client "$@"
else
MYSQL_PWD=$MARIADB_ROOT_PASSWORD docker_exec_client "$@"
fi
}
# SQL escape the string $1 to be placed in a string literal.
# escape, \ followed by '
docker_sql_escape_string_literal() {
local newline=$'\n'
local escaped=${1//\\/\\\\}
escaped="${escaped//$newline/\\n}"
echo "${escaped//\'/\\\'}"
}
# Initializes database with timezone info and root password, plus optional extra db/user
docker_setup_db() {
# Load timezone info into database
if [ -z "$MARIADB_INITDB_SKIP_TZINFO" ]; then
# --skip-write-binlog usefully disables binary logging
# but also outputs LOCK TABLES to improve the IO of
# Aria (MDEV-23326) for 10.4+.
mariadb-tzinfo-to-sql --skip-write-binlog /usr/share/zoneinfo |
docker_process_sql --dont-use-mysql-root-password --database=mysql
# tell docker_process_sql to not use MYSQL_ROOT_PASSWORD since it is not set yet
fi
# Generate random root password
if [ -n "$MARIADB_RANDOM_ROOT_PASSWORD" ]; then
MARIADB_ROOT_PASSWORD="$(pwgen --numerals --capitalize --symbols --remove-chars="'\\" -1 32)"
export MARIADB_ROOT_PASSWORD MYSQL_ROOT_PASSWORD=$MARIADB_ROOT_PASSWORD
mysql_note "GENERATED ROOT PASSWORD: $MARIADB_ROOT_PASSWORD"
fi
# Creates root users for non-localhost hosts
local rootCreate=
local rootPasswordEscaped=
if [ -n "$MARIADB_ROOT_PASSWORD" ]; then
# Sets root password and creates root users for non-localhost hosts
rootPasswordEscaped=$(docker_sql_escape_string_literal "${MARIADB_ROOT_PASSWORD}")
fi
# default root to listen for connections from anywhere
if [ -n "$MARIADB_ROOT_HOST" ] && [ "$MARIADB_ROOT_HOST" != 'localhost' ]; then
# ref "read -d ''", no, we don't care if read finds a terminating character in this heredoc
# https://unix.stackexchange.com/questions/265149/why-is-set-o-errexit-breaking-this-read-heredoc-expression/265151#265151
if [ -n "$MARIADB_ROOT_PASSWORD_HASH" ]; then
read -r -d '' rootCreate <<-EOSQL || true
CREATE USER 'root'@'${MARIADB_ROOT_HOST}' IDENTIFIED BY PASSWORD '${MARIADB_ROOT_PASSWORD_HASH}' ;
GRANT ALL ON *.* TO 'root'@'${MARIADB_ROOT_HOST}' WITH GRANT OPTION ;
EOSQL
else
read -r -d '' rootCreate <<-EOSQL || true
CREATE USER 'root'@'${MARIADB_ROOT_HOST}' IDENTIFIED BY '${rootPasswordEscaped}' ;
GRANT ALL ON *.* TO 'root'@'${MARIADB_ROOT_HOST}' WITH GRANT OPTION ;
EOSQL
fi
fi
local mysqlAtLocalhost=
local mysqlAtLocalhostGrants=
# Install mysql@localhost user
if [ -n "$MARIADB_MYSQL_LOCALHOST_USER" ]; then
local pw=
pw="$(pwgen --numerals --capitalize --symbols --remove-chars="'\\" -1 32)"
# MDEV-24111 before MariaDB-10.4 cannot create unix_socket user directly auth with simple_password_check
# It wasn't until 10.4 that the unix_socket auth was built in to the server.
read -r -d '' mysqlAtLocalhost <<-EOSQL || true
EXECUTE IMMEDIATE IF(VERSION() RLIKE '^10\.3\.',
"INSTALL PLUGIN /*M10401 IF NOT EXISTS */ unix_socket SONAME 'auth_socket'",
"SELECT 'already there'");
CREATE USER mysql@localhost IDENTIFIED BY '$pw';
ALTER USER mysql@localhost IDENTIFIED VIA unix_socket;
EOSQL
if [ -n "$MARIADB_MYSQL_LOCALHOST_GRANTS" ]; then
if [ "$MARIADB_MYSQL_LOCALHOST_GRANTS" != USAGE ]; then
mysql_warn "Excessive privileges ON *.* TO mysql@localhost facilitates risks to the confidentiality, integrity and availability of data stored"
fi
mysqlAtLocalhostGrants="GRANT ${MARIADB_MYSQL_LOCALHOST_GRANTS} ON *.* TO mysql@localhost;"
fi
fi
local rootLocalhostPass=
if [ -z "$MARIADB_ROOT_PASSWORD_HASH" ]; then
# handle MARIADB_ROOT_PASSWORD_HASH for root@localhost after /docker-entrypoint-initdb.d
rootLocalhostPass="SET PASSWORD FOR 'root'@'localhost'= PASSWORD('${rootPasswordEscaped}');"
fi
local createDatabase=
# Creates a custom database and user if specified
if [ -n "$MARIADB_DATABASE" ]; then
mysql_note "Creating database ${MARIADB_DATABASE}"
createDatabase="CREATE DATABASE IF NOT EXISTS \`$MARIADB_DATABASE\`;"
fi
local createUser=
local userGrants=
if [ -n "$MARIADB_PASSWORD" ] || [ -n "$MARIADB_PASSWORD_HASH" ] && [ -n "$MARIADB_USER" ]; then
mysql_note "Creating user ${MARIADB_USER}"
if [ -n "$MARIADB_PASSWORD_HASH" ]; then
createUser="CREATE USER '$MARIADB_USER'@'%' IDENTIFIED BY PASSWORD '$MARIADB_PASSWORD_HASH';"
else
# SQL escape the user password, \ followed by '
local userPasswordEscaped
userPasswordEscaped=$(docker_sql_escape_string_literal "${MARIADB_PASSWORD}")
createUser="CREATE USER '$MARIADB_USER'@'%' IDENTIFIED BY '$userPasswordEscaped';"
fi
if [ -n "$MARIADB_DATABASE" ]; then
mysql_note "Giving user ${MARIADB_USER} access to schema ${MARIADB_DATABASE}"
userGrants="GRANT ALL ON \`${MARIADB_DATABASE//_/\\_}\`.* TO '$MARIADB_USER'@'%';"
fi
fi
mysql_note "Securing system users (equivalent to running mysql_secure_installation)"
# tell docker_process_sql to not use MARIADB_ROOT_PASSWORD since it is just now being set
# --binary-mode to save us from the semi-mad users go out of their way to confuse the encoding.
docker_process_sql --dont-use-mysql-root-password --database=mysql --binary-mode <<-EOSQL
-- Securing system users shouldn't be replicated
SET @orig_sql_log_bin= @@SESSION.SQL_LOG_BIN;
SET @@SESSION.SQL_LOG_BIN=0;
-- we need the SQL_MODE NO_BACKSLASH_ESCAPES mode to be clear for the password to be set
SET @@SESSION.SQL_MODE=REPLACE(@@SESSION.SQL_MODE, 'NO_BACKSLASH_ESCAPES', '');
DROP USER IF EXISTS root@'127.0.0.1', root@'::1';
EXECUTE IMMEDIATE CONCAT('DROP USER IF EXISTS root@\'', @@hostname,'\'');
${rootLocalhostPass}
${rootCreate}
${mysqlAtLocalhost}
${mysqlAtLocalhostGrants}
-- pre-10.3 only
DROP DATABASE IF EXISTS test ;
-- end of securing system users, rest of init now...
SET @@SESSION.SQL_LOG_BIN=@orig_sql_log_bin;
-- create users/databases
${createDatabase}
${createUser}
${userGrants}
EOSQL
}
# backup the mysql database
docker_mariadb_backup_system() {
if [ -n "$MARIADB_DISABLE_UPGRADE_BACKUP" ] &&
[ "$MARIADB_DISABLE_UPGRADE_BACKUP" = 1 ]; then
mysql_note "MariaDB upgrade backup disabled due to \$MARIADB_DISABLE_UPGRADE_BACKUP=1 setting"
return
fi
local backup_db="system_mysql_backup_unknown_version.sql.zst"
local oldfullversion="unknown_version"
if [ -r "$DATADIR"/mariadb_upgrade_info ]; then
read -r -d '' oldfullversion <"$DATADIR"/mariadb_upgrade_info || true
if [ -n "$oldfullversion" ]; then
backup_db="system_mysql_backup_${oldfullversion}.sql.zst"
fi
fi
mysql_note "Backing up system database to $backup_db"
if ! mariadb-dump --skip-lock-tables --replace --databases mysql --socket="${SOCKET}" | zstd >"${DATADIR}/${backup_db}"; then
mysql_error "Unable backup system database for upgrade from $oldfullversion."
fi
mysql_note "Backing up complete"
}
# perform mariadb-upgrade
# backup the mysql database if this is a major upgrade
docker_mariadb_upgrade() {
if [ -z "$MARIADB_AUTO_UPGRADE" ] ||
[ "$MARIADB_AUTO_UPGRADE" = 0 ]; then
mysql_note "MariaDB upgrade (mariadb-upgrade) required, but skipped due to \$MARIADB_AUTO_UPGRADE setting"
return
fi
mysql_note "Starting temporary server"
docker_temp_server_start "$@" --skip-grant-tables \
--loose-innodb_buffer_pool_dump_at_shutdown=0 \
--skip-slave-start
mysql_note "Temporary server started."
docker_mariadb_backup_system
mysql_note "Starting mariadb-upgrade"
mariadb-upgrade --upgrade-system-tables
mysql_note "Finished mariadb-upgrade"
mysql_note "Stopping temporary server"
docker_temp_server_stop
mysql_note "Temporary server stopped"
}
_check_if_upgrade_is_needed() {
if [ ! -f "$DATADIR"/mariadb_upgrade_info ]; then
mysql_note "MariaDB upgrade information missing, assuming required"
return 0
fi
local mariadbVersion
mariadbVersion="$(_mariadb_version)"
IFS='.-' read -ra newversion <<<"$mariadbVersion"
IFS='.-' read -ra oldversion <"$DATADIR"/mariadb_upgrade_info || true
if [[ ${#newversion[@]} -lt 2 ]] || [[ ${#oldversion[@]} -lt 2 ]] ||
[[ ${oldversion[0]} -lt ${newversion[0]} ]] ||
[[ ${oldversion[0]} -eq ${newversion[0]} && ${oldversion[1]} -lt ${newversion[1]} ]]; then
return 0
fi
mysql_note "MariaDB upgrade not required"
return 1
}
# check arguments for an option that would cause mariadbd to stop
# return true if there is one
_mysql_want_help() {
local arg
for arg; do
case "$arg" in
-'?' | --help | --print-defaults | -V | --version)
return 0
;;
esac
done
return 1
}
_main() {
# if command starts with an option, prepend mariadbd
if [ "${1:0:1}" = '-' ]; then
set -- mariadbd "$@"
fi
#ENDOFSUBSTITUTIONS
# skip setup if they aren't running mysqld or want an option that stops mysqld
if [ "$1" = 'mariadbd' ] || [ "$1" = 'mysqld' ] && ! _mysql_want_help "$@"; then
mysql_note "Entrypoint script for MariaDB Server ${MARIADB_VERSION} started."
mysql_check_config "$@"
# Load various environment variables
docker_setup_env "$@"
docker_create_db_directories
# If container is started as root user, restart as dedicated mysql user
if [ "$(id -u)" = "0" ]; then
mysql_note "Switching to dedicated user 'mysql'"
exec gosu mysql "${BASH_SOURCE[0]}" "$@"
fi
# there's no database, so it needs to be initialized
if [ -z "$DATABASE_ALREADY_EXISTS" ]; then
docker_verify_minimum_env
# check dir permissions to reduce likelihood of half-initialized database
ls /docker-entrypoint-initdb.d/ >/dev/null
docker_init_database_dir "$@"
mysql_note "Starting temporary server"
docker_temp_server_start "$@"
mysql_note "Temporary server started."
docker_setup_db
docker_process_init_files /docker-entrypoint-initdb.d/*
# Wait until after /docker-entrypoint-initdb.d is performed before setting
# root@localhost password to a hash we don't know the password for.
if [ -n "${MARIADB_ROOT_PASSWORD_HASH}" ]; then
mysql_note "Setting root@localhost password hash"
docker_process_sql --dont-use-mysql-root-password --binary-mode <<-EOSQL
SET @@SESSION.SQL_LOG_BIN=0;
SET PASSWORD FOR 'root'@'localhost'= '${MARIADB_ROOT_PASSWORD_HASH}';
EOSQL
fi
mysql_note "Stopping temporary server"
docker_temp_server_stop
mysql_note "Temporary server stopped"
echo
mysql_note "MariaDB init process done. Ready for start up."
echo
# MDEV-27636 mariadb_upgrade --check-if-upgrade-is-needed cannot be run offline
#elif mariadb-upgrade --check-if-upgrade-is-needed; then
elif _check_if_upgrade_is_needed; then
docker_mariadb_upgrade "$@"
fi
fi
exec "$@"
}
# If we are sourced from elsewhere, don't perform any further actions
if ! _is_sourced; then
_main "$@"
fi
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