10 printf '%s [%s] [Entrypoint]: %s\n' "$(date --rfc-3339=seconds)" "$type" "$*"
16 mysql_log Warn "$@" >&2
19 mysql_log ERROR "$@" >&2
23 # usage: file_env VAR [DEFAULT]
24 # ie: file_env 'XYZ_DB_PASSWORD' 'example'
25 # (will allow for "$XYZ_DB_PASSWORD_FILE" to fill in the value of
26 # "$XYZ_DB_PASSWORD" from a file, especially for Docker's secrets feature)
34 if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
35 mysql_error "Both $var and $fileVar are set (but are exclusive)"
40 # val="$(< "${!fileVar}")"
41 # eval replacement of the bashism equivalents above presents no security issue here
42 # since var and fileVar variables contents are derived from the file_env() function arguments.
43 # This method is only called inside this script with a limited number of possible values.
44 if [ "${!var:-}" ]; then
46 elif [ "${!fileVar:-}" ]; then
47 val="$(< "$(eval echo "\$$fileVar")")"
54 # usage: docker_process_init_files [file [file [...]]]
55 # ie: docker_process_init_files /always-initdb.d/*
56 # process initializer files, based on file extensions
57 docker_process_init_files() {
58 # mysql here for backwards compatibility "${mysql[@]}"
59 mysql=( docker_process_sql )
66 # https://github.com/docker-library/postgres/issues/450#issuecomment-393167936
67 # https://github.com/docker-library/postgres/pull/452
69 mysql_note "$0: running $f"
72 mysql_note "$0: sourcing $f"
76 *.sql) mysql_note "$0: running $f"; docker_process_sql < "$f"; echo ;;
77 *.sql.gz) mysql_note "$0: running $f"; gunzip -c "$f" | docker_process_sql; echo ;;
78 *.sql.xz) mysql_note "$0: running $f"; xzcat "$f" | docker_process_sql; echo ;;
79 *) mysql_warn "$0: ignoring $f" ;;
85 mysql_check_config() {
88 toRun=( "$@" --verbose --help --log-bin-index="$(mktemp -u)" )
89 if ! errors="$("${toRun[@]}" 2>&1 >/dev/null)"; then
90 mysql_error "$(printf 'mysqld failed while attempting to check config\n\tcommand was: ')${toRun[*]}$(printf'\n\t')$errors"
94 # Fetch value from server config
95 # We use mysqld --verbose --help instead of my_print_defaults because the
96 # latter only show values present in config files, and not server defaults
100 "$@" --verbose --help --log-bin-index="$(mktemp -u)" 2>/dev/null \
101 | awk -v conf="$conf" '$1 == conf && /^[^ \t]/ { sub(/^[^ \t]+[ \t]+/, ""); print; exit }'
102 # match "datadir /some/path with/spaces in/it here" but not "--xyz=abc\n datadir (xyz)"
105 # Do a temporary startup of the MySQL server, for init purposes
106 docker_temp_server_start() {
107 "$@" --skip-networking --socket="${SOCKET}" &
108 mysql_note "Waiting for server startup"
110 for i in $(seq 30 -1 0); do
111 # only use the root password if the database has already been initializaed
112 # so that it won't try to fill in a password file when it hasn't been set yet
114 if [ -z "$DATABASE_ALREADY_EXISTS" ]; then
115 extraArgs=${extraArgs}" --dont-use-mysql-root-password"
117 if echo 'SELECT 1' |docker_process_sql ${extraArgs} --database=mysql >/dev/null 2>&1; then
122 if [ "$i" = 0 ]; then
123 mysql_error "Unable to start server."
127 # Stop the server. When using a local socket file mysqladmin will block until
128 # the shutdown is complete.
129 docker_temp_server_stop() {
130 if ! mysqladmin --defaults-extra-file=<( _mysql_passfile ) shutdown -uroot --socket="${SOCKET}"; then
131 mysql_error "Unable to shut down server."
135 # Verify that the minimally required password settings are set for new databases.
136 docker_verify_minimum_env() {
137 if [ -z "$MYSQL_ROOT_PASSWORD" -a -z "$MYSQL_ALLOW_EMPTY_PASSWORD" -a -z "$MYSQL_RANDOM_ROOT_PASSWORD" ]; then
138 mysql_error "$(printf'Database is uninitialized and password option is not specified\n\tYou need to specify one of MYSQL_ROOT_PASSWORD, MYSQL_ALLOW_EMPTY_PASSWORD and MYSQL_RANDOM_ROOT_PASSWORD')"
142 # creates folders for the database
143 # also ensures permission for user mysql of run as root
144 docker_create_db_directories() {
148 # TODO other directories that are used by default? like /var/lib/mysql-files
149 # see https://github.com/docker-library/mysql/issues/562
152 if [ "$user" = "0" ]; then
153 # this will cause less disk access than `chown -R`
154 find "$DATADIR" \! -user mysql -exec chown mysql '{}' +
158 # initializes the database directory
159 docker_init_database_dir() {
160 mysql_note "Initializing database files"
161 installArgs=" --datadir=$DATADIR --rpm "
162 if { mysql_install_db --help || :; } | grep -q -- '--auth-root-authentication-method'; then
163 # beginning in 10.4.3, install_db uses "socket" which only allows system user root to connect, switch back to "normal" to allow mysql root without a password
164 # see https://github.com/MariaDB/server/commit/b9f3f06857ac6f9105dc65caae19782f09b47fb3
165 # (this flag doesn't exist in 10.0 and below)
166 installArgs=${installArgs}" --auth-root-authentication-method=normal"
168 # "Other options are passed to mysqld." (so we pass all "mysqld" arguments directly here)
169 mysql_install_db ${installArgs} "$(echo ${@} | sed 's/^ *[^ ]* *//')"
170 mysql_note "Database files initialized"
173 # Loads various settings that are used elsewhere in the script
174 # This should be called after mysql_check_config, but before any other functions
177 declare -g DATADIR SOCKET
178 DATADIR="$(mysql_get_config 'datadir' "$@")"
179 SOCKET="$(mysql_get_config 'socket' "$@")"
181 # Initialize values that might be stored in a file
182 file_env 'MYSQL_ROOT_HOST' '%'
183 file_env 'MYSQL_DATABASE'
184 file_env 'MYSQL_USER'
185 file_env 'MYSQL_PASSWORD'
186 file_env 'MYSQL_ROOT_PASSWORD'
187 file_env 'PORTAL_DB_TABLES'
189 declare -g DATABASE_ALREADY_EXISTS
190 if [ -d "$DATADIR/mysql" ]; then
191 DATABASE_ALREADY_EXISTS='true'
195 # Execute sql script, passed via stdin
196 # usage: docker_process_sql [--dont-use-mysql-root-password] [mysql-cli-args]
197 # ie: docker_process_sql --database=mydb <<<'INSERT ...'
198 # ie: docker_process_sql --dont-use-mysql-root-password --database=mydb <my-file.sql
199 docker_process_sql() {
201 if [ '--dont-use-mysql-root-password' = "$1" ]; then
202 passfileArgs=${passfileArgs}" $1"
205 # args sent in can override this db, since they will be later in the command
206 if [ -n "$MYSQL_DATABASE" ]; then
207 set -- --database="$MYSQL_DATABASE" "$@"
210 mysql --defaults-extra-file=<( _mysql_passfile ${passfileArgs}) --protocol=socket -uroot -hlocalhost --socket="${SOCKET}" "$@"
213 # Initializes database with timezone info and root password, plus optional extra db/user
215 # Load timezone info into database
216 if [ -z "$MYSQL_INITDB_SKIP_TZINFO" ]; then
218 # Aria in 10.4+ is slow due to "transactional" (crash safety)
219 # https://jira.mariadb.org/browse/MDEV-23326
220 # https://github.com/docker-library/mariadb/issues/262
222 tztables=( time_zone time_zone_leap_second time_zone_name time_zone_transition time_zone_transition_type )
223 for table in "${tztables[@]}"; do
224 echo "/*!100400 ALTER TABLE $table TRANSACTIONAL=0 */;"
227 # sed is for https://bugs.mysql.com/bug.php?id=20545
228 mysql_tzinfo_to_sql /usr/share/zoneinfo \
229 | sed 's/Local time zone must be set--see zic manual page/FCTY/'
231 for table in "${tztables[@]}"; do
232 echo "/*!100400 ALTER TABLE $table TRANSACTIONAL=1 */;"
234 } | docker_process_sql --dont-use-mysql-root-password --database=mysql
235 # tell docker_process_sql to not use MYSQL_ROOT_PASSWORD since it is not set yet
237 # Generate random root password
238 if [ -n "$MYSQL_RANDOM_ROOT_PASSWORD" ]; then
239 export MYSQL_ROOT_PASSWORD="$(pwgen -1 32)"
240 mysql_note "GENERATED ROOT PASSWORD: $MYSQL_ROOT_PASSWORD"
242 # Sets root password and creates root users for non-localhost hosts
245 # default root to listen for connections from anywhere
246 if [ -n "$MYSQL_ROOT_HOST" ] && [ "$MYSQL_ROOT_HOST" != 'localhost' ]; then
247 # no, we don't care if read finds a terminating character in this heredoc
248 # https://unix.stackexchange.com/questions/265149/why-is-set-o-errexit-breaking-this-read-heredoc-expression/265151#265151
249 read -r -d '' rootCreate <<-EOSQL || true
250 CREATE USER 'root'@'${MYSQL_ROOT_HOST}' IDENTIFIED BY '${MYSQL_ROOT_PASSWORD}' ;
251 GRANT ALL ON *.* TO 'root'@'${MYSQL_ROOT_HOST}' WITH GRANT OPTION ;
255 # tell docker_process_sql to not use MYSQL_ROOT_PASSWORD since it is just now being set
256 docker_process_sql --dont-use-mysql-root-password --database=mysql <<-EOSQL
257 -- What's done in this file shouldn't be replicated
258 -- or products like mysql-fabric won't work
259 SET @@SESSION.SQL_LOG_BIN=0;
261 DELETE FROM mysql.user WHERE user NOT IN ('mysql.sys', 'mariadb.sys', 'mysqlxsys', 'root') OR host NOT IN ('localhost') ;
262 SET PASSWORD FOR 'root'@'localhost'=PASSWORD('${MYSQL_ROOT_PASSWORD}') ;
263 -- 10.1: https://github.com/MariaDB/server/blob/d925aec1c10cebf6c34825a7de50afe4e630aff4/scripts/mysql_secure_installation.sh#L347-L365
264 -- 10.5: https://github.com/MariaDB/server/blob/00c3a28820c67c37ebbca72691f4897b57f2eed5/scripts/mysql_secure_installation.sh#L351-L369
265 DELETE FROM mysql.db WHERE Db='test' OR Db='test\_%' ;
267 GRANT ALL ON *.* TO 'root'@'localhost' WITH GRANT OPTION ;
270 DROP DATABASE IF EXISTS test ;
273 # Creates a custom database and user if specified
274 if [ -n "$MYSQL_DATABASE" ]; then
275 mysql_note "Creating database ${MYSQL_DATABASE}"
276 echo "CREATE DATABASE IF NOT EXISTS \`$MYSQL_DATABASE\` ;" |docker_process_sql --database=mysql
279 if [ -n "$MYSQL_USER" ] && [ -n "$MYSQL_PASSWORD" ]; then
280 mysql_note "Creating user ${MYSQL_USER}"
281 echo "CREATE USER '$MYSQL_USER'@'%' IDENTIFIED BY '$MYSQL_PASSWORD' ;" |docker_process_sql --database=mysql
283 if [ -n "$MYSQL_DATABASE" ]; then
284 mysql_note "Giving user ${MYSQL_USER} access to schema ${MYSQL_DATABASE}"
285 echo "GRANT ALL ON \`$(echo $MYSQL_DATABASE | sed 's@_@\\_@g')\`.* TO '$MYSQL_USER'@'%' ;" | docker_process_sql --database=mysql
288 echo "FLUSH PRIVILEGES ;" | docker_process_sql --database=mysql
293 # echo the password to the "file" the client uses
294 # the client command will use process substitution to create a file on the fly
295 # ie: --defaults-extra-file=<( _mysql_passfile )
296 if [ '--dont-use-mysql-root-password' != "$1" ] && [ -n "$MYSQL_ROOT_PASSWORD" ]; then
299 password="${MYSQL_ROOT_PASSWORD}"
304 # check arguments for an option that would cause mysqld to stop
305 # return true if there is one
310 -'?'|--help|--print-defaults|-V|--version)
319 # if command starts with an option, prepend mysqld
320 if echo "$1" | grep '^-' >/dev/null; then
324 # skip setup if they aren't running mysqld or want an option that stops mysqld
325 if [ "$1" = 'mysqld' ] && ! _mysql_want_help "$@"; then
326 mysql_note "Entrypoint script for MySQL Server ${MARIADB_VERSION} started."
328 mysql_check_config "$@"
329 # Load various environment variables
330 docker_setup_env "$@"
331 docker_create_db_directories
333 # If container is started as root user, restart as dedicated mysql user
334 if [ "$(id -u)" = "0" ]; then
335 mysql_note "Switching to dedicated user 'mysql'"
336 exec gosu mysql "$0" "$@"
339 # there's no database, so it needs to be initialized
340 if [ -z "$DATABASE_ALREADY_EXISTS" ]; then
341 docker_verify_minimum_env
343 # check dir permissions to reduce likelihood of half-initialized database
344 ls /docker-entrypoint-initdb.d/ > /dev/null
346 docker_init_database_dir "$@"
348 mysql_note "Starting temporary server"
349 docker_temp_server_start "$@"
350 mysql_note "Temporary server started."
353 docker_process_init_files /docker-entrypoint-initdb.d/*
355 for i in $(echo $PORTAL_DB_TABLES | sed "s/,/ /g")
357 echo "Granting portal user ALL PRIVILEGES for table $i"
358 echo "GRANT ALL ON \`$i\`.* TO '$MYSQL_USER'@'%' ;" | "${mysql[@]}"
361 mysql_note "Stopping temporary server"
362 docker_temp_server_stop
363 mysql_note "Temporary server stopped"
366 mysql_note "MySQL init process done. Ready for start up."
373 # If we are sourced from elsewhere, don't perform any further actions
374 # https://stackoverflow.com/questions/2683279/how-to-detect-if-a-script-is-being-sourced/2942183#2942183
375 if [ "$(basename $0)" = "docker-entrypoint.sh" ]; then