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146 lines
2.8 KiB
146 lines
2.8 KiB
#!/bin/sh /etc/rc.common
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# Copyright (C) 2010-2018 OpenWrt.org
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START=95
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STOP=10
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NAME=mysqld
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LOGGER="/usr/bin/logger -p user.err -s -t $NAME --"
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MYSQLADMIN=/usr/bin/mysqladmin
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MYSQLD=/usr/bin/$NAME
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MYSQLDSAFE=/usr/bin/mysqld_safe
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# mysqladmin likes to read /root/.my.cnf which could cause issues.
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export HOME=/etc/mysql
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# Safeguard (relative paths, core dumps...)
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cd /
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mysqld_get_param() {
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$MYSQLD --print-defaults \
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| tr " " "\n" \
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| grep -- "--$1" \
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| tail -n 1 \
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| cut -d= -f2
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}
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# Checks if a server is running and accessible.
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#
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# check_alive insists on a pingable server
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# check_dead also fails if there is a lost mysqld in the process list
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#
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# Usage: boolean mysqld_status [check_alive|check_dead]
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mysqld_status() {
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if $MYSQLADMIN ping >/dev/null 2>&1; then
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ping_alive=1
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else
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ping_alive=0
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fi
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ps_alive=0
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pidfile=$(mysqld_get_param pid-file)
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if [ -f "$pidfile" ] && kill -0 $(cat "$pidfile") >/dev/null 2>&1; then
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ps_alive=1
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fi
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if { [ "$1" = check_alive ] && [ $ping_alive = 1 ]; } || \
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{ [ "$1" = check_dead ] && [ $ping_alive = 0 ] \
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&& [ $ps_alive = 0 ]; }
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then
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return 0 # EXIT_SUCCESS
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else
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return 1 # EXIT_FAILURE
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fi
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}
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start() {
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conf=/etc/mysql/my.cnf
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logdir=/var/log/mysql
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rundir=/var/run/mysqld
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hint="please fix your server configuration in /etc/mysql/"
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for i in $MYSQLD $MYSQLADMIN $MYSQLDSAFE; do
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if [ ! -x $i ]; then
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$LOGGER $i is missing
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exit 1
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fi
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done
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if [ ! -r $conf ]; then
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$LOGGER $conf cannot be read
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exit 1
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fi
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config_load $NAME
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config_get_bool enabled general enabled 0
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if [ $enabled -eq 0 ]; then
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$LOGGER service not enabled in /etc/config/$NAME
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exit 1
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fi
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config_get options general options
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datadir=$(mysqld_get_param datadir)
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tmpdir=$(mysqld_get_param tmpdir)
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if [ -z "$datadir" ]; then
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$LOGGER datadir is not set
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$LOGGER $hint
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exit 1
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fi
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if [ -z "$tmpdir" ]; then
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$LOGGER tmpdir is not set
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$LOGGER $hint
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exit 1
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fi
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if [ ! -f "$datadir/mysql/tables_priv.MAD" ]; then
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args="--force"
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basedir=$(mysqld_get_param basedir)
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[ -n "$basedir" ] && args="$args --basedir=$basedir"
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$LOGGER Cannot detect privileges table. You might need to run
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$LOGGER \'mysql_install_db "$args"\'
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$LOGGER to initialize the system tables.
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exit 1
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fi
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# Start daemon
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if mysqld_status check_alive; then
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$LOGGER already running
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else
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for i in $logdir $rundir; do
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opts="-m 0750"
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if ! [ -e $i ]; then
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# $rundir needs to be accessible for
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# clients
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if [ $i = $rundir ]; then
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opts=
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fi
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mkdir -p $opts $i
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[ -d $i ] && chown mariadb:mariadb $i
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fi
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done
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$MYSQLDSAFE $options >/dev/null 2>&1 &
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fi
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}
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stop() {
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if ! mysqld_status check_dead; then
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$MYSQLADMIN shutdown
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fi
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}
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reload() {
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if mysqld_status check_alive; then
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$MYSQLADMIN reload
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else
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$LOGGER not running
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fi
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}
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