/usr/share/mysql/mysql-systemd-start is in percona-xtradb-cluster-server-5.7 5.7.20-29.24-0ubuntu2.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 | #!/bin/bash
# Scripts to run by Percona Server systemd service
#
# Needed argument: pre
#
# pre mode : try to perform sanity check for configuration, log, data
# Include helper functions
. /usr/share/mysql/mysql-helpers
# tokudb specific
#fix_thp_setting() {
# THP_SETTING=$(my_print_defaults mysqld_safe | grep thp-setting | cut -d= -f2 | tail -n 1)
# if [ ! -z "${THP_SETTING}" ]; then
# # Set whatever option is specified in config file
# echo "${THP_SETTING}" > /sys/kernel/mm/transparent_hugepage/defrag
# echo "${THP_SETTING}" > /sys/kernel/mm/transparent_hugepage/enabled
# fi
#}
sanity () {
# Make sure database and required directories exist
verify_ready $1
verify_database $1
if [ ! -d "${MYSQLDATA}/mysql" -a ! -L "${MYSQLDATA}/mysql" ];
then
install -d -m 0750 -o mysql -g mysql ${MYSQLDATA}/mysql
fi
if [ ! "$(ls -A ${MYSQLDATA}/mysql)" ];
then
su - mysql -s /bin/bash -c "/usr/sbin/mysqld --initialize-insecure=on 2>&1 > /dev/null"
su - mysql -s /bin/bash -c "/usr/sbin/mysqld --log_error_verbosity=2 2>&1 > /dev/null &"
pinger
mysql -e "INSTALL PLUGIN auth_socket SONAME 'auth_socket.so'"
mysql -e "USE mysql; UPDATE user SET plugin='auth_socket' WHERE user='root'"
mysqladmin shutdown
fi
if [ -x /usr/bin/mysql_ssl_rsa_setup -a ! -e "${MYSQLDATA}/server-key.pem" ];
then
/usr/bin/mysql_ssl_rsa_setup --datadir="${MYSQLDATA}" --uid=mysql >/dev/null 2>&1
fi
if [ ! -d ${MYSQLLOG} -a ! -L ${MYSQLLOG} ];
then
install -d -m 0750 -o mysql -g adm ${MYSQLLOG}
install -m 0640 -o mysql -g adm /dev/null ${MYSQLLOG}/error.log
fi
if [ ! -d "${MYSQLRUN}" -a ! -L "${MYSQLRUN}" ];
then
install -d -m 0755 -o mysql -g mysql ${MYSQLRUN}
fi
if [ ! -r /etc/mysql/my.cnf ]; then
echo "Percona XtraDB Cluster configuration not found at /etc/mysql/my.cnf. Please install one using update-alternatives."
exit 1
fi
# Needed because of TokuDB
#fix_thp_setting
}
case $1 in
"pre") sanity $2 ;;
esac
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