6a5aa7c6a2
Address miscellaneous issues with Markdown formatting in comments which are consumed by shocco when generating the online documentation. Change-Id: I953075cdbddbf1f119c6c7e35f039e2e54b79078
155 lines
4.4 KiB
Plaintext
155 lines
4.4 KiB
Plaintext
# lib/databases/mysql
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# Functions to control the configuration and operation of the **MySQL** database backend
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# Dependencies:
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#
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# - DATABASE_{HOST,USER,PASSWORD} must be defined
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# Save trace setting
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MY_XTRACE=$(set +o | grep xtrace)
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set +o xtrace
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register_database mysql
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# Functions
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# ---------
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# Get rid of everything enough to cleanly change database backends
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function cleanup_database_mysql {
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if is_ubuntu; then
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# Get ruthless with mysql
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stop_service $MYSQL
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sudo aptitude purge -y ~nmysql-server
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sudo rm -rf /var/lib/mysql
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return
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elif is_fedora; then
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MYSQL=mysqld
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elif is_suse; then
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MYSQL=mysql
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else
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return
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fi
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stop_service $MYSQL
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}
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function recreate_database_mysql {
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local db=$1
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local charset=$2
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mysql -u$DATABASE_USER -p$DATABASE_PASSWORD -h$MYSQL_HOST -e "DROP DATABASE IF EXISTS $db;"
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mysql -u$DATABASE_USER -p$DATABASE_PASSWORD -h$MYSQL_HOST -e "CREATE DATABASE $db CHARACTER SET $charset;"
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}
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function configure_database_mysql {
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echo_summary "Configuring and starting MySQL"
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if is_ubuntu; then
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MY_CONF=/etc/mysql/my.cnf
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MYSQL=mysql
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elif is_fedora; then
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MY_CONF=/etc/my.cnf
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MYSQL=mysqld
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elif is_suse; then
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MY_CONF=/etc/my.cnf
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MYSQL=mysql
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else
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exit_distro_not_supported "mysql configuration"
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fi
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# Start mysql-server
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if is_fedora || is_suse; then
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# service is not started by default
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start_service $MYSQL
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fi
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# Set the root password - only works the first time. For Ubuntu, we already
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# did that with debconf before installing the package.
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if ! is_ubuntu; then
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sudo mysqladmin -u root password $DATABASE_PASSWORD || true
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fi
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# Update the DB to give user ‘$DATABASE_USER’@’%’ full control of the all databases:
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sudo mysql -uroot -p$DATABASE_PASSWORD -h127.0.0.1 -e "GRANT ALL PRIVILEGES ON *.* TO '$DATABASE_USER'@'%' identified by '$DATABASE_PASSWORD';"
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# Now update ``my.cnf`` for some local needs and restart the mysql service
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# Change ‘bind-address’ from localhost (127.0.0.1) to any (0.0.0.0)
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sudo sed -i '/^bind-address/s/127.0.0.1/0.0.0.0/g' $MY_CONF
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# Set default db type to InnoDB
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if sudo grep -q "default-storage-engine" $MY_CONF; then
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# Change it
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sudo bash -c "source $TOP_DIR/functions; iniset $MY_CONF mysqld default-storage-engine InnoDB"
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else
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# Add it
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sudo sed -i -e "/^\[mysqld\]/ a \
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default-storage-engine = InnoDB" $MY_CONF
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fi
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# Turn on slow query log
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sudo sed -i '/log.slow.queries/d' $MY_CONF
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sudo sed -i -e "/^\[mysqld\]/ a \
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log-slow-queries = /var/log/mysql/mysql-slow.log" $MY_CONF
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# Log all queries (any query taking longer than 0 seconds)
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sudo sed -i '/long.query.time/d' $MY_CONF
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sudo sed -i -e "/^\[mysqld\]/ a \
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long-query-time = 0" $MY_CONF
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# Log all non-indexed queries
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sudo sed -i '/log.queries.not.using.indexes/d' $MY_CONF
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sudo sed -i -e "/^\[mysqld\]/ a \
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log-queries-not-using-indexes" $MY_CONF
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restart_service $MYSQL
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}
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function install_database_mysql {
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if is_ubuntu; then
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# Seed configuration with mysql password so that apt-get install doesn't
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# prompt us for a password upon install.
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cat <<MYSQL_PRESEED | sudo debconf-set-selections
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mysql-server-5.1 mysql-server/root_password password $DATABASE_PASSWORD
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mysql-server-5.1 mysql-server/root_password_again password $DATABASE_PASSWORD
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mysql-server-5.1 mysql-server/start_on_boot boolean true
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MYSQL_PRESEED
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fi
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# while ``.my.cnf`` is not needed for OpenStack to function, it is useful
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# as it allows you to access the mysql databases via ``mysql nova`` instead
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# of having to specify the username/password each time.
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if [[ ! -e $HOME/.my.cnf ]]; then
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cat <<EOF >$HOME/.my.cnf
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[client]
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user=$DATABASE_USER
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password=$DATABASE_PASSWORD
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host=$DATABASE_HOST
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EOF
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chmod 0600 $HOME/.my.cnf
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fi
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# Install mysql-server
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if is_ubuntu || is_fedora; then
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install_package mysql-server
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elif is_suse; then
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if ! is_package_installed mariadb; then
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install_package mysql-community-server
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fi
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else
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exit_distro_not_supported "mysql installation"
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fi
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}
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function database_connection_url_mysql {
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local db=$1
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echo "$BASE_SQL_CONN/$db?charset=utf8"
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}
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# Restore xtrace
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$MY_XTRACE
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# Local variables:
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# mode: shell-script
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# End:
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