2024-12-24 13:40:15 +08:00

95 lines
2.5 KiB
Bash
Executable File

#!/bin/bash
##################################################
# Mount file #
# - /etc/my.cnf #
# Mount dir #
# - LOG_DIR #
# - DATA_DIR #
# - BINLOG_DIR #
##################################################
set -euo pipefail
export LANG=en_US.UTF-8
trap Quit EXIT
PIDS=
GOT_SIGTERM=
LOG_DIR='/var/log/mysql'
DATA_DIR='/var/lib/mysql'
BINLOG_DIR='/var/lib/mysql-bin'
INIT_FLAG=${INIT_FLAG:-}
SOCK_FILE='/run/mysqld/mysqld.sock'
PID_FILE='/run/mysqld/mysqld.pid'
function Print {
local file=/dev/null
[ '-f' = "$1" ] && file=$2 && shift && shift
date +"[%F %T] $*" | tee -a $file
}
function Quit {
Print killing mysqld ...
mysqladmin shutdown --wait-for-all-slaves || true
while :; do
pkill -f mysqld && Print killing mysqld ... || break
sleep 1
done
Print Container stopped.
test -n "$GOT_SIGTERM"
}
function Init {
rm -f $SOCK_FILE $PID_FILE
chown -R mysql:mysql $LOG_DIR $BINLOG_DIR $DATA_DIR
if [ ! -d "$DATA_DIR/mysql" ]; then
Print Initing mysql db files ...
mysql_install_db --user=mysql > /dev/null
INIT_FLAG=1
fi
}
function StartProc {
local sql_file=
local sql_files=
Print Starting mysql ...
mysqld -u mysql &
PIDS="$PIDS $!"
while sleep 1; do
[ -e $SOCK_FILE ] && break || echo -n .
[ ! -e /proc/$! ] && echo && Print unexpected error! && exit
done
echo
if [ -n "$INIT_FLAG" ]; then
Print Securing database ...
mysql_secure_installation <<< "$(echo -e '\nn\nn\n\n\n\n\n')" > /dev/null
mysql -e "CREATE USER docker@localhost IDENTIFIED BY 'China_19\$(10)!'"
mysql -e "GRANT SHUTDOWN ON *.* TO docker@localhost"
if sql_files="$(ls $DATA_DIR/init_sql/*.sql 2>/dev/null)"; then
Print Importing the sql files ...
for sql_file in $sql_files; do
Print Importing $sql_file ...
mysql < $sql_file
done
Print Imported all sql files successfully.
fi
fi
Print MySQL is ready for connections.
}
function Main {
local pid=
Init
StartProc
trap "GOT_SIGTERM=1; Print Got SIGTERM ..." SIGTERM
while [ -z "$GOT_SIGTERM" ] && sleep 2; do
for pid in $PIDS; do
[ ! -e /proc/$pid ] && Print Unexpected error! && exit
done
done
}
# Start here
Main