# lib/databases/mysql # Functions to control the configuration and operation of the **MySQL** database backend # Dependencies: # # - DATABASE_{HOST,USER,PASSWORD} must be defined # Save trace setting MY_XTRACE=$(set +o | grep xtrace) set +o xtrace register_database mysql # Functions # --------- # Get rid of everything enough to cleanly change database backends function cleanup_database_mysql { if is_ubuntu; then # Get ruthless with mysql stop_service $MYSQL apt_get purge -y mysql* sudo rm -rf /var/lib/mysql return elif is_fedora; then if [[ $DISTRO =~ (rhel7) ]]; then MYSQL=mariadb else MYSQL=mysqld fi elif is_suse; then MYSQL=mysql else return fi stop_service $MYSQL } function recreate_database_mysql { local db=$1 local charset=$2 mysql -u$DATABASE_USER -p$DATABASE_PASSWORD -h$MYSQL_HOST -e "DROP DATABASE IF EXISTS $db;" mysql -u$DATABASE_USER -p$DATABASE_PASSWORD -h$MYSQL_HOST -e "CREATE DATABASE $db CHARACTER SET $charset;" } function configure_database_mysql { echo_summary "Configuring and starting MySQL" if is_ubuntu; then MY_CONF=/etc/mysql/my.cnf MYSQL=mysql elif is_fedora; then if [[ $DISTRO =~ (rhel7) ]]; then MYSQL=mariadb else MYSQL=mysqld fi MY_CONF=/etc/my.cnf elif is_suse; then MY_CONF=/etc/my.cnf MYSQL=mysql else exit_distro_not_supported "mysql configuration" fi # Start mysql-server if is_fedora || is_suse; then # service is not started by default start_service $MYSQL fi # Set the root password - only works the first time. For Ubuntu, we already # did that with debconf before installing the package. if ! is_ubuntu; then sudo mysqladmin -u root password $DATABASE_PASSWORD || true fi # Update the DB to give user ‘$DATABASE_USER’@’%’ full control of the all databases: sudo mysql -uroot -p$DATABASE_PASSWORD -h127.0.0.1 -e "GRANT ALL PRIVILEGES ON *.* TO '$DATABASE_USER'@'%' identified by '$DATABASE_PASSWORD';" # Now update ``my.cnf`` for some local needs and restart the mysql service # Change ‘bind-address’ from localhost (127.0.0.1) to any (0.0.0.0) sudo sed -i '/^bind-address/s/127.0.0.1/0.0.0.0/g' $MY_CONF # Set default db type to InnoDB if sudo grep -q "default-storage-engine" $MY_CONF; then # Change it sudo bash -c "source $TOP_DIR/functions; iniset $MY_CONF mysqld default-storage-engine InnoDB" else # Add it sudo sed -i -e "/^\[mysqld\]/ a \ default-storage-engine = InnoDB" $MY_CONF fi if [[ "$DATABASE_QUERY_LOGGING" == "True" ]]; then echo_summary "Enabling MySQL query logging" # Turn on slow query log sudo sed -i '/log.slow.queries/d' $MY_CONF sudo sed -i -e "/^\[mysqld\]/ a \ log-slow-queries = /var/log/mysql/mysql-slow.log" $MY_CONF # Log all queries (any query taking longer than 0 seconds) sudo sed -i '/long.query.time/d' $MY_CONF sudo sed -i -e "/^\[mysqld\]/ a \ long-query-time = 0" $MY_CONF # Log all non-indexed queries sudo sed -i '/log.queries.not.using.indexes/d' $MY_CONF sudo sed -i -e "/^\[mysqld\]/ a \ log-queries-not-using-indexes" $MY_CONF fi restart_service $MYSQL } function install_database_mysql { if is_ubuntu; then # Seed configuration with mysql password so that apt-get install doesn't # prompt us for a password upon install. cat <$HOME/.my.cnf [client] user=$DATABASE_USER password=$DATABASE_PASSWORD host=$DATABASE_HOST EOF chmod 0600 $HOME/.my.cnf fi # Install mysql-server if is_ubuntu || is_fedora; then if [[ $DISTRO =~ (rhel7) ]]; then install_package mariadb-server else install_package mysql-server fi elif is_suse; then if ! is_package_installed mariadb; then install_package mysql-community-server fi else exit_distro_not_supported "mysql installation" fi } function database_connection_url_mysql { local db=$1 echo "$BASE_SQL_CONN/$db?charset=utf8" } # Restore xtrace $MY_XTRACE # Local variables: # mode: shell-script # End: