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dockerimages/mysql-cluster/docker-entrypoint.sh

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#!/bin/bash
if [[ (! -z "${MYSQL_DAEMON_USER}" ) && ( "${MYSQL_DAEMON_USER}" != "root" ) ]]; then
useradd -r -s /bin/false $MYSQL_DAEMON_USER
if [[ ! -z "${MYSQL_DAEMON_USER_UID}" ]]; then
usermod -u $MYSQL_DAEMON_USER_UID $MYSQL_DAEMON_USER
fi
if [[ ! -z "${MYSQL_DAEMON_USER_GID}" ]]; then
groupmod -g $MYSQL_DAEMON_USER_GID $MYSQL_DAEMON_USER
fi
fi
if [ ! -d "/usr/mysql-cluster" ]; then
mkdir -p /usr/mysql-cluster
fi
if [ ! -d "/var/lib/mysql" ]; then
mkdir -p /var/lib/mysql
fi
if [ ! -d "/var/run/mysqld" ]; then
mkdir -p /var/run/mysqld
fi
if [[ ( "${MYSQLD_CLUSTER}" = "true" ) ]]; then
DBEXIST=1
if [ ! -d "/var/lib/mysql/mysql" ]; then
DBEXIST=0
echo "Creating mysqld system tables"
mysqld --initialize-insecure
fi
fi
echo "Chowning Data"
if [[ ! -z "${MYSQL_DAEMON_USER}" ]]; then
chown -R $(id -u ${MYSQL_DAEMON_USER}):$(id -g ${MYSQL_DAEMON_USER}) /var/lib/mysql
chown -R $(id -u ${MYSQL_DAEMON_USER}):$(id -g ${MYSQL_DAEMON_USER}) /usr/mysql-cluster
chown -R $(id -u ${MYSQL_DAEMON_USER}):$(id -g ${MYSQL_DAEMON_USER}) /var/run/mysqld
else
chown -R $(id -u):$(id -g) /var/lib/mysql
chown -R $(id -u):$(id -g) /usr/mysql-cluster
chown -R $(id -u):$(id -g) /var/run/mysqld
fi
start_process () {
if [[ ! -z "${MYSQL_DAEMON_USER}" ]]; then
if [[ ( "${MYSQLD_CLUSTER}" = "true" ) ]]; then
runuser -u ${MYSQL_DAEMON_USER} -- $@ --socket=/tmp/mysql.sock --bind-address=0.0.0.0 &
else
runuser -u ${MYSQL_DAEMON_USER} -- $@ &
fi
else
if [[ ( "${MYSQLD_CLUSTER}" = "true" ) ]]; then
sed -i "s/.*user=.*/user=root/" /etc/my.cnf #needed to change the user option otherwise mysqld doesn't start in root mode
$@ --user=root --socket=/tmp/mysql.sock -bind-address=0.0.0.0 &
else
$@ &
fi
fi
}
echo "Starting process. Sleeping 15 sec before continuing"
start_process $@
sleep 15
if [[ -z "${MYSQLD_CLUSTER_NOPASS}" ]]; then
MYSQLD_CLUSTER_NOPASS="false"
fi
if [[ ($DBEXIST -eq 0) && ( "${MYSQLD_CLUSTER}" = "true" ) && ( "${MYSQLD_CLUSTER_NOPASS}" = "false" )]]; then
echo "Trying to set DB Root Password"
MYSQLSTARTED=0
FIRSTPHASE=0;
SECONDPHASE=0;
PASSWORD="default"
if [[ ! -z "${MYSQLD_ROOT_PASSWORD}" ]]; then
PASSWORD="${MYSQLD_ROOT_PASSWORD}"
fi
if [[ ! -z "${MYSQLD_ROOT_PASSWORD_FILE}" ]]; then
PASSWORD="$(cat ${MYSQLD_ROOT_PASSWORD_FILE})"
fi
while [[ $MYSQLSTARTED -eq 0 ]]
do
#mysqld could not start because config need to be confirmed by management servers
while [[ -z $(ps -e | grep mysqld) ]]
do
echo "Starting process again. Sleeping 15 sec before continuing"
start_process $@
sleep 15
done
RESULT=""
mysql -u root -e "CREATE USER 'root'@'%' IDENTIFIED BY '${PASSWORD}';GRANT ALL PRIVILEGES ON *.* TO 'root'@'%';" --socket=/tmp/mysql.sock
if [ $? -ne 0 ]; then
RESULT=$(mysql --socket=/tmp/mysql.sock -u root -e "SELECT 1 FROM mysql.user WHERE user = 'root' AND host = '%';")
if [[ (! -z "${RESULT}") && ( $? -eq 0 ) ]]; then
mysql -u root -e "ALTER USER 'root'@'%' IDENTIFIED BY '${PASSWORD}';" --socket=/tmp/mysql.sock
if [ $? -eq 0 ]; then
FIRSTPHASE=1;
fi
fi
else
FIRSTPHASE=1;
fi
if [[ $FIRSTPHASE -eq 1 ]]; then
mysql -u root -e "ALTER USER 'root'@'localhost' IDENTIFIED BY '${PASSWORD}';FLUSH PRIVILEGES;" --socket=/tmp/mysql.sock
if [ $? -eq 0 ]; then
SECONDPHASE=1;
fi
fi
if [[ ( $FIRSTPHASE -eq 1 ) && ( $SECONDPHASE -eq 1 )]]; then
MYSQLSTARTED=1
echo "DB Root Password set"
else
echo "Retrying to set DB Root Password in 10 sec"
sleep 10
fi
done
fi
wait