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#!/bin/bash
echo "------------------------ ENV ------------------------"
echo "ENV VAR USED VOLUME_HOME : $VOLUME_HOME"
echo "ENV VAR USED PORT : $PORT"
echo "ENV VAR USED DB_NAME : $DB_NAME"
echo "ENV VAR USED DB_USER : $DB_USER"
echo "ENV VAR USED DB_PASSWORD : $DB_PASSWORD"
echo "---------------------------- ------------------------"
CURRENT_PATH=`dirname "$0"`
function StartMySQL {
echo "Starting MYSQL..."
sudo /etc/init.d/mysql stop
sudo /usr/bin/mysqld_safe > /dev/null 2>&1 &
RET=1
while [[ RET -ne 0 ]]; do
echo "=> Waiting for confirmation of MySQL service startup"
sleep 5
sudo mysql -uroot -e "status" > /dev/null 2>&1
RET=$?
done
}
function AllowFileSystemToMySQL {
MYSQL_DATA_DIR=$VOLUME_HOME/data
MYSQL_LOG=$VOLUME_HOME/logs
echo "Setting data directory to $MYSQL_DATA_DIR an logs to $MYSQL_LOG ..."
if sudo test ! -d $MYSQL_DATA_DIR; then
echo "Creating DATA dir > $MYSQL_DATA_DIR ..."
sudo mkdir -p $MYSQL_DATA_DIR
# mysql as owner and group owner
sudo chown -R mysql:mysql $MYSQL_DATA_DIR
fi
if sudo test ! -d $MYSQL_LOG; then
echo "Creating LOG dir > $MYSQL_LOG ..."
sudo mkdir -p $MYSQL_LOG
# mysql as owner and group owner
sudo chown -R mysql:mysql $MYSQL_LOG
fi
# edit app mysql permission in : /etc/apparmor.d/usr.sbin.mysqld
COUNT_LINE=`sudo cat /etc/apparmor.d/usr.sbin.mysqld | wc -l`
sudo sed -i "$(($COUNT_LINE)) i $MYSQL_DATA_DIR/ r," /etc/apparmor.d/usr.sbin.mysqld
sudo sed -i "$(($COUNT_LINE)) i $MYSQL_DATA_DIR/** rwk," /etc/apparmor.d/usr.sbin.mysqld
sudo sed -i "$(($COUNT_LINE)) i $MYSQL_LOG/ r," /etc/apparmor.d/usr.sbin.mysqld
sudo sed -i "$(($COUNT_LINE)) i $MYSQL_LOG/** rwk," /etc/apparmor.d/usr.sbin.mysqld
# reload app permission manager service
sudo service apparmor reload
}
function UpdateMySQLConf {
echo "Updating MySQL conf files [DATA, LOGS]..."
sudo sed -i "s:/var/lib/mysql:$MYSQL_DATA_DIR:g" /etc/mysql/my.cnf
sudo sed -i "s:/var/log/mysql/error.log:$MYSQL_LOG/error.log:g" /etc/mysql/my.cnf
sudo sed -i "s:3306:$PORT:g" /etc/mysql/my.cnf
if sudo test ! -f /usr/share/mysql/my-default.cnf; then
sudo cp /etc/mysql/my.cnf /usr/share/mysql/my-default.cnf
fi
if sudo test ! -f /etc/mysql/conf.d/mysqld_charset.cnf; then
sudo cp $configs/mysqld_charset.cnf /etc/mysql/conf.d/mysqld_charset.cnf
fi
if [ "$BIND_ADRESS" == "true" ]; then
sudo sed -i "s/bind-address.*/bind-address = 0.0.0.0/" /etc/mysql/my.cnf
fi
}
function InitMySQLDb {
# create database DB_NAME
if [ "$DB_NAME" ]; then
echo "INIT DATABASE $DB_NAME"
sudo mysql -u root -e "CREATE DATABASE $DB_NAME";
fi
# create user and give rights
if [ "$DB_USER" ]; then
echo "CREATE USER $DB_USER WITH PASSWORD $DB_PASSWORD AND GRAND RIGHTS ON $DB_NAME"
sudo mysql -uroot -e "CREATE USER '${DB_USER}'@'%' IDENTIFIED BY '$DB_PASSWORD'"
sudo mysql -uroot -e "GRANT ALL PRIVILEGES ON ${DB_NAME}.* TO '${DB_USER}'@'%' WITH GRANT OPTION"
sudo mysql -uroot -e "FLUSH PRIVILEGES"
fi
}
# Create a new database path to the attched volume
if sudo test ! -d $VOLUME_HOME/data; then
echo "=> An empty or uninitialized MySQL volume is detected in $VOLUME_HOME/data"
AllowFileSystemToMySQL
UpdateMySQLConf
echo "=> Init new database path to $MYSQL_DATA_DIR"
sudo mysql_install_db --basedir=/usr --datadir=$MYSQL_DATA_DIR
echo "=> MySQL database initialized !"
else
echo "=> Using an existing volume of MySQL"
AllowFileSystemToMySQL
UpdateMySQLConf
fi
# Finally start MySQL with new configuration
StartMySQL
InitMySQLDb
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