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+#!/bin/bash
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+set -eo pipefail
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+shopt -s nullglob
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+
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+# if command starts with an option, prepend mysqld
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+if [ "${1:0:1}" = '-' ]; then
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+ set -- mysqld "$@"
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+fi
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+
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+# skip setup if they want an option that stops mysqld
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+wantHelp=
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+for arg; do
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+ case "$arg" in
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+ -'?'|--help|--print-defaults|-V|--version)
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+ wantHelp=1
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+ break
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+ ;;
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+ esac
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+done
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+
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+# usage: file_env VAR [DEFAULT]
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+# ie: file_env 'XYZ_DB_PASSWORD' 'example'
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+# (will allow for "$XYZ_DB_PASSWORD_FILE" to fill in the value of
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+# "$XYZ_DB_PASSWORD" from a file, especially for Docker's secrets feature)
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+file_env() {
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+ local var="$1"
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+ local fileVar="${var}_FILE"
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+ local def="${2:-}"
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+ if [ "${!var:-}" ] && [ "${!fileVar:-}" ]; then
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+ echo >&2 "error: both $var and $fileVar are set (but are exclusive)"
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+ exit 1
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+ fi
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+ local val="$def"
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+ if [ "${!var:-}" ]; then
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+ val="${!var}"
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+ elif [ "${!fileVar:-}" ]; then
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+ val="$(< "${!fileVar}")"
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+ fi
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+ export "$var"="$val"
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+ unset "$fileVar"
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+}
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+
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+_check_config() {
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+ toRun=( "$@" --verbose --help )
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+ if ! errors="$("${toRun[@]}" 2>&1 >/dev/null)"; then
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+ cat >&2 <<-EOM
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+
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+ ERROR: mysqld failed while attempting to check config
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+ command was: "${toRun[*]}"
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+
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+ $errors
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+ EOM
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+ exit 1
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+ fi
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+}
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+
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+# Fetch value from server config
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+# We use mysqld --verbose --help instead of my_print_defaults because the
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+# latter only show values present in config files, and not server defaults
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+_get_config() {
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+ local conf="$1"; shift
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+ "$@" --verbose --help --log-bin-index="$(mktemp -u)" 2>/dev/null | awk '$1 == "'"$conf"'" { print $2; exit }'
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+}
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+
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+# allow the container to be started with `--user`
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+if [ "$1" = 'mysqld' -a -z "$wantHelp" -a "$(id -u)" = '0' ]; then
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+ _check_config "$@"
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+ DATADIR="$(_get_config 'datadir' "$@")"
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+ mkdir -p "$DATADIR"
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+ chown -R mysql:mysql "$DATADIR"
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+ exec gosu mysql "$BASH_SOURCE" "$@"
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+fi
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+
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+if [ "$1" = 'mysqld' -a -z "$wantHelp" ]; then
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+ # still need to check config, container may have started with --user
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+ _check_config "$@"
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+ # Get config
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+ DATADIR="$(_get_config 'datadir' "$@")"
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+
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+ if [ ! -d "$DATADIR/mysql" ]; then
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+ file_env 'MYSQL_ROOT_PASSWORD'
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+ if [ -z "$MYSQL_ROOT_PASSWORD" -a -z "$MYSQL_ALLOW_EMPTY_PASSWORD" -a -z "$MYSQL_RANDOM_ROOT_PASSWORD" ]; then
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+ echo >&2 'error: database is uninitialized and password option is not specified '
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+ echo >&2 ' You need to specify one of MYSQL_ROOT_PASSWORD, MYSQL_ALLOW_EMPTY_PASSWORD and MYSQL_RANDOM_ROOT_PASSWORD'
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+ exit 1
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+ fi
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+
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+ mkdir -p "$DATADIR"
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+
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+ echo 'Initializing database'
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+ "$@" --initialize-insecure
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+ echo 'Database initialized'
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+
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+ if command -v mysql_ssl_rsa_setup > /dev/null && [ ! -e "$DATADIR/server-key.pem" ]; then
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+ # https://github.com/mysql/mysql-server/blob/23032807537d8dd8ee4ec1c4d40f0633cd4e12f9/packaging/deb-in/extra/mysql-systemd-start#L81-L84
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+ echo 'Initializing certificates'
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+ mysql_ssl_rsa_setup --datadir="$DATADIR"
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+ echo 'Certificates initialized'
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+ fi
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+
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+ SOCKET="$(_get_config 'socket' "$@")"
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+ "$@" --skip-networking --socket="${SOCKET}" &
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+ pid="$!"
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+
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+ mysql=( mysql --protocol=socket -uroot -hlocalhost --socket="${SOCKET}" )
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+
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+ for i in {30..0}; do
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+ if echo 'SELECT 1' | "${mysql[@]}" &> /dev/null; then
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+ break
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+ fi
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+ echo 'MySQL init process in progress...'
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+ sleep 1
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+ done
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+ if [ "$i" = 0 ]; then
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+ echo >&2 'MySQL init process failed.'
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+ exit 1
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+ fi
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+
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+ if [ -z "$MYSQL_INITDB_SKIP_TZINFO" ]; then
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+ # sed is for https://bugs.mysql.com/bug.php?id=20545
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+ mysql_tzinfo_to_sql /usr/share/zoneinfo | sed 's/Local time zone must be set--see zic manual page/FCTY/' | "${mysql[@]}" mysql
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+ fi
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+
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+ if [ ! -z "$MYSQL_RANDOM_ROOT_PASSWORD" ]; then
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+ export MYSQL_ROOT_PASSWORD="$(pwgen -1 32)"
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+ echo "GENERATED ROOT PASSWORD: $MYSQL_ROOT_PASSWORD"
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+ fi
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+
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+ rootCreate=
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+ # default root to listen for connections from anywhere
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+ file_env 'MYSQL_ROOT_HOST' '%'
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+ if [ ! -z "$MYSQL_ROOT_HOST" -a "$MYSQL_ROOT_HOST" != 'localhost' ]; then
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+ # no, we don't care if read finds a terminating character in this heredoc
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+ # https://unix.stackexchange.com/questions/265149/why-is-set-o-errexit-breaking-this-read-heredoc-expression/265151#265151
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+ read -r -d '' rootCreate <<-EOSQL || true
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+ CREATE USER 'root'@'${MYSQL_ROOT_HOST}' IDENTIFIED BY '${MYSQL_ROOT_PASSWORD}' ;
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+ GRANT ALL ON *.* TO 'root'@'${MYSQL_ROOT_HOST}' WITH GRANT OPTION ;
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+ EOSQL
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+ fi
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+
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+ "${mysql[@]}" <<-EOSQL
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+ -- What's done in this file shouldn't be replicated
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+ -- or products like mysql-fabric won't work
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+ SET @@SESSION.SQL_LOG_BIN=0;
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+
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+ DELETE FROM mysql.user WHERE user NOT IN ('mysql.sys', 'mysqlxsys', 'root') OR host NOT IN ('localhost') ;
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+ SET PASSWORD FOR 'root'@'localhost'=PASSWORD('${MYSQL_ROOT_PASSWORD}') ;
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+ GRANT ALL ON *.* TO 'root'@'localhost' WITH GRANT OPTION ;
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+ ${rootCreate}
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+ DROP DATABASE IF EXISTS test ;
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+ FLUSH PRIVILEGES ;
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+ EOSQL
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+
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+ if [ ! -z "$MYSQL_ROOT_PASSWORD" ]; then
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+ mysql+=( -p"${MYSQL_ROOT_PASSWORD}" )
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+ fi
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+
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+ file_env 'MYSQL_DATABASE'
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+ if [ "$MYSQL_DATABASE" ]; then
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+ echo "CREATE DATABASE IF NOT EXISTS \`$MYSQL_DATABASE\` ;" | "${mysql[@]}"
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+ mysql+=( "$MYSQL_DATABASE" )
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+ fi
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+
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+ file_env 'MYSQL_USER'
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+ file_env 'MYSQL_PASSWORD'
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+ if [ "$MYSQL_USER" -a "$MYSQL_PASSWORD" ]; then
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+ echo "CREATE USER '$MYSQL_USER'@'%' IDENTIFIED BY '$MYSQL_PASSWORD' ;" | "${mysql[@]}"
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+
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+ if [ "$MYSQL_DATABASE" ]; then
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+ echo "GRANT ALL ON \`$MYSQL_DATABASE\`.* TO '$MYSQL_USER'@'%' ;" | "${mysql[@]}"
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+ fi
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+
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+ echo 'FLUSH PRIVILEGES ;' | "${mysql[@]}"
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+ fi
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+
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+ echo
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+ for f in /docker-entrypoint-initdb.d/*; do
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+ case "$f" in
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+ *.sh) echo "$0: running $f"; . "$f" ;;
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+ *.sql) echo "$0: running $f"; "${mysql[@]}" < "$f"; echo ;;
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+ *.sql.gz) echo "$0: running $f"; gunzip -c "$f" | "${mysql[@]}"; echo ;;
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+ *) echo "$0: ignoring $f" ;;
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+ esac
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+ echo
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+ done
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+
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+ if [ ! -z "$MYSQL_ONETIME_PASSWORD" ]; then
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+ "${mysql[@]}" <<-EOSQL
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+ ALTER USER 'root'@'%' PASSWORD EXPIRE;
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+ EOSQL
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+ fi
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+ if ! kill -s TERM "$pid" || ! wait "$pid"; then
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+ echo >&2 'MySQL init process failed.'
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+ exit 1
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+ fi
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+
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+ echo
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+ echo 'MySQL init process done. Ready for start up.'
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+ echo
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+ fi
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+fi
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+
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+exec "$@"
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