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#!/bin/sh /etc/rc.common
# Copyright (C) 2010-2018 OpenWrt.org
START=95
STOP=10
USE_PROCD=1
#PROCD_DEBUG=1
NAME=mysqld
LOGGER="/usr/bin/logger -p user.err -s -t $NAME --"
COMMAND=/usr/bin/$NAME
mysqld_get_param() {
$COMMAND --print-defaults \
| tr " " "\n" \
| grep -- "--$1" \
| tail -n 1 \
| cut -d= -f2
}
start_service() {
local conf=/etc/mysql/my.cnf
local dir
local user
local group
local logfile
local datadir
local logdir=/var/log/mysql
local rundir=/var/run/mysqld
local tmpdir
local enabled
local log_stderr
local log_stdout
local options
local hint="please fix your server configuration in /etc/mysql/"
if [ ! -x $COMMAND ]; then
$LOGGER $COMMAND is missing
exit 1
fi
if [ ! -r $conf ]; then
$LOGGER $conf cannot be read
exit 1
fi
config_load $NAME
config_get_bool enabled general enabled 0
if [ $enabled -eq 0 ]; then
$LOGGER service not enabled in /etc/config/$NAME
exit 1
fi
config_get_bool log_stderr general log_stderr 1
config_get_bool log_stdout general log_stdout 1
config_get options general options
datadir=$(mysqld_get_param datadir)
logfile=$(mysqld_get_param general_log_file)
tmpdir=$(mysqld_get_param tmpdir)
user=$(mysqld_get_param user)
if [ -z "$datadir" ]; then
$LOGGER datadir is not set
$LOGGER $hint
exit 1
fi
if [ -z "$tmpdir" ]; then
$LOGGER tmpdir is not set
$LOGGER $hint
exit 1
fi
if [ -z "$user" ]; then
$LOGGER user is not set
$LOGGER $hint
exit 1
fi
user_exists "$user" || {
$LOGGER user \""$user"\" does not exist
$LOGGER $hint
exit 1
}
group=$(id -g -n "$user")
group_exists "$group" || {
$LOGGER group \""$group"\" does not exist
$LOGGER user \""$user"\" not configured correctly
exit 1
}
[ -n "$logfile" ] && logdir=$(dirname "$logfile")
# do not touch directories that already exist
# posix shell does not support arrays, hence using awk
awk \
-v user="$user" \
-v group="$group" \
-v a="$datadir" \
-v b="$logdir" \
-v c="$rundir" \
-v d="$tmpdir" \
'
BEGIN {
dir[0]=a
dir[1]=b
dir[2]=c
dir[3]=d
for (x in dir) {
if (system("test ! -e \"" dir[x] "\"" )) {
delete dir[x]
}
}
for (x in dir) {
system("mkdir -p \"" dir[x] "\"" )
system("chmod 750 \"" dir[x] "\"" )
system("chown \"" user "\":\"" group "\" \"" dir[x] "\"" )
}
}
'
if [ ! -f "$datadir/mysql/tables_priv.MYD" ]; then
local args="--force"
local basedir=$(mysqld_get_param basedir)
[ -n "$basedir" ] && args="$args --basedir=$basedir"
$LOGGER Cannot detect privileges table. You might need to run
$LOGGER \'mysql_install_db $args\'
$LOGGER to initialize the system tables.
exit 1
fi
procd_open_instance
procd_set_param command $COMMAND $options
# forward stderr to logd
procd_set_param stderr $log_stderr
# same for stdout
procd_set_param stdout $log_stdout
procd_close_instance
}