208 lines
6.7 KiB
Plaintext
208 lines
6.7 KiB
Plaintext
# Copyright (c) 2017, 2019, Oracle and/or its affiliates. All rights reserved.
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License, version 2.0,
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# as published by the Free Software Foundation.
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#
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# This program is also distributed with certain software (including
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# but not limited to OpenSSL) that is licensed under separate terms,
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# as designated in a particular file or component or in included license
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# documentation. The authors of MySQL hereby grant you an additional
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# permission to link the program and your derivative works with the
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# separately licensed software that they have included with MySQL.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License, version 2.0, for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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# Wait for server to start up (this requires the client package)
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pinger () {
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while /bin/true ; do
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sleep 1
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mysqladmin ping >/dev/null 2>&1 && break
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done
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}
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# To avoid having hardcoded paths in the script, we do a search on the path, as suggested at:
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# https://www.debian.org/doc/manuals/developers-reference/ch06.en.html#bpp-debian-maint-scripts
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pathfind() {
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OLDIFS="$IFS"
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IFS=:
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for p in $PATH; do
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if [ -x "$p/$*" ]; then
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IFS="$OLDIFS"
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return 0
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fi
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done
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IFS="$OLDIFS"
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return 1
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}
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# Fetch value from config files
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# Usage: get_mysql_option [section] [option] [default value]
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get_mysql_option() {
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if pathfind my_print_defaults; then
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RESULT=$(my_print_defaults "$1" | sed -n "s/^--$2=//p" | tail -n 1)
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fi
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if [ -z "$RESULT" ]; then
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RESULT="$3"
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fi
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echo $RESULT
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}
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# Check if server is running
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get_running () {
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MYSQLDATA=$(get_mysql_option mysqld datadir "/var/lib/mysql")
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PIDFILE=$(get_mysql_option mysqld_safe pid-file "")
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if [ -z "$PIDFILE" ]; then
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PIDFILE=$(get_mysql_option mysqld pid-file "$MYSQLDATA/$(hostname).pid")
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fi
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if [ -e "$PIDFILE" ] && [ -d "/proc/$(cat "$PIDFILE")" ]; then
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echo 1
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else
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echo 0
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fi
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}
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# Runs an arbitrary init sql file supplied in $1. Does not require login access
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run_init_sql() {
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tmpdir=$(mktemp -d)
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chown mysql:mysql "$tmpdir"
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mysqld --defaults-group-suffix="$2" --user=mysql --init-file="$1" --socket="$tmpdir/mysqld.sock" --pid-file="$tmpdir/mysqld.pid" > /dev/null 2>&1
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result=$?
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rm -rf "$tmpdir"
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return $result
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}
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# Verify that everything the server needs to run is set up
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verify_ready() {
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# For multi-instance support with the mysql@ service
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INSTANCE="mysqld${1}"
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MYSQLDATA=$(get_mysql_option ${INSTANCE} datadir "/var/lib/mysql")
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MYSQLFILES=$(get_mysql_option ${INSTANCE} secure-file-priv "/var/lib/mysql-files")
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MYSQLKEYRING=$(dirname $(get_mysql_option ${INSTANCE} keyring-file-data "/var/lib/mysql-keyring/keyring"))
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MYSQLLOG=$(dirname $(get_mysql_option ${INSTANCE} log-error "/var/log/mysql/error.log"))
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MYSQLRUN=/var/run/mysqld
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if ! getent group mysql >/dev/null; then
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addgroup --system mysql >/dev/null
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fi
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if ! getent passwd mysql >/dev/null; then
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adduser --ingroup mysql --system --disabled-login --no-create-home --home ${MYSQLDATA} --shell /bin/false --gecos "MySQL Server" mysql >/dev/null
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fi
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ERROR_FLAG=0
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if [ ! -d ${MYSQLDATA} -a ! -L ${MYSQLDATA} ]; then
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if [ "$(dirname "${MYSQLDATA}")" = "/var/lib" ]; then
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install -d -m0750 -omysql -gmysql ${MYSQLDATA}
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else
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echo "Error: Datadir ${MYSQLDATA} does not exist. For security reasons the service will not automatically create directories outside /var/lib.."
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ERROR_FLAG=1
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fi
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fi
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# Ensures that the mysql_upgrade_info file is owned by the database
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if [ -O "${MYSQLDATA}/mysql_upgrade_info" ]; then
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chown --reference="${MYSQLDATA}" "${MYSQLDATA}/mysql_upgrade_info"
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fi
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if [ ! -d ${MYSQLFILES} -a ! -L ${MYSQLFILES} ]; then
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if [ "$(dirname "${MYSQLFILES}")" = "/var/lib" -o ${MYSQLFILES} = NULL ]; then
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install -d -m0770 -omysql -gmysql ${MYSQLFILES}
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else
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echo "Error: Secure-file-priv dir ${MYSQLFILES} does not exist. For security reasons the service will not automatically create directories outside /var/lib."
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ERROR_FLAG=1
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fi
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fi
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if [ ! -d ${MYSQLKEYRING} -a ! -L ${MYSQLKEYRING} ]; then
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if [ "$(dirname "${MYSQLKEYRING}")" = "/var/lib" ]; then
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install -d -m0750 -omysql -gmysql ${MYSQLKEYRING}
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else
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echo "Warning: Keyring dir ${MYSQLKEYRING} does not exist. For security reasons the service will not automatically create directories outside /var/lib. The server may not start correctly."
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fi
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fi
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if [ ! -d ${MYSQLLOG} -a ! -L ${MYSQLLOG} ]; then
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if [ "$(dirname "${MYSQLLOG}")" = "/var/log" ]; then
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install -d -m0750 -omysql -gadm ${MYSQLLOG}
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install /dev/null -m0640 -omysql -gadm ${MYSQLLOG}/error.log
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else
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echo "Error: Log dir ${MYSQLLOG} does not exist. For security reasons the service will not automatically create directories outside /var/log."
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ERROR_FLAG=1
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fi
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fi
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if [ ${ERROR_FLAG} = 1 ]; then
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echo "Errors found. Aborting."
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exit 1
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fi
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if [ ! -d ${MYSQLRUN} -a ! -L ${MYSQLRUN} ]; then
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install -d -m0755 -omysql -gmysql ${MYSQLRUN}
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fi
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}
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# Verify the database exists and is ssl ready
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verify_database() {
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# For multi-instance support with the mysql@ service
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INSTANCE="mysqld${1}"
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MYSQLDATA=$(get_mysql_option ${INSTANCE} datadir "/var/lib/mysql")
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MYSQLFILES=$(get_mysql_option ${INSTANCE} secure-file-priv "/var/lib/mysql-files")
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if [ ! -d "${MYSQLDATA}/mysql" ] && [ -d "${MYSQLFILES}" ]; then
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su - mysql -s /bin/bash -c "/usr/sbin/mysqld --defaults-group-suffix="$1" --initialize-insecure > /dev/null"
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SQL=$(mktemp -u ${MYSQLFILES}/XXXXXXXXXX)
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install /dev/null -m0600 -omysql -gmysql "${SQL}"
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cat << EOF > ${SQL}
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SET @@SESSION.SQL_LOG_BIN=0;
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USE mysql;
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INSTALL PLUGIN auth_socket SONAME 'auth_socket.so';
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ALTER USER 'root'@'localhost' IDENTIFIED WITH 'auth_socket';
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SHUTDOWN;
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EOF
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run_init_sql "$SQL" "$1"
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rm -f "$SQL"
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fi
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if [ -x /usr/bin/mysql_ssl_rsa_setup -a ! -e "${MYSQLDATA}/server-key.pem" ]; then
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mysql_ssl_rsa_setup --datadir="${MYSQLDATA}" --uid=mysql >/dev/null 2>&1
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fi
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}
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verify_server () {
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TIMEOUT=0
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if [ "${1}" = "start" ]; then
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TIMEOUT=${STARTTIMEOUT}
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elif [ "${1}" = "stop" ]; then
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TIMEOUT=${STOPTIMEOUT}
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fi
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COUNT=0
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while [ ${COUNT} -lt ${TIMEOUT} ];
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do
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COUNT=$(( COUNT+1 ))
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echo -n .
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if [ "${1}" = "start" ] && [ "$(get_running)" = 1 ]; then
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if [ -z ${2} ]; then
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echo
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fi
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return 0
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fi
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if [ "${1}" = "stop" ] && [ "$(get_running)" = 0 ]; then
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if [ -z ${2} ]; then
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echo
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fi
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return 0
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fi
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sleep 1
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done
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return 1
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}
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