2014-12-05 14:25:28 -05:00
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#!/bin/bash
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#
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2012-12-21 11:03:37 -06:00
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# lib/databases/mysql
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# Functions to control the configuration and operation of the **MySQL** database backend
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2012-11-01 16:12:39 -04:00
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# Dependencies:
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2013-10-24 11:27:02 +01:00
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#
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# - DATABASE_{HOST,USER,PASSWORD} must be defined
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2012-11-01 16:12:39 -04:00
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# Save trace setting
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2015-10-13 11:03:03 +11:00
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_XTRACE_DB_MYSQL=$(set +o | grep xtrace)
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2012-11-01 16:12:39 -04:00
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set +o xtrace
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2015-06-12 07:54:03 -07:00
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MYSQL_DRIVER=${MYSQL_DRIVER:-PyMySQL}
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2013-04-08 15:38:03 -05:00
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2012-11-01 16:12:39 -04:00
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register_database mysql
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2017-09-23 14:45:42 +02:00
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MYSQL_SERVICE_NAME=mysql
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2019-01-24 18:57:33 +00:00
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if is_fedora && ! is_oraclelinux; then
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MYSQL_SERVICE_NAME=mariadb
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elif is_suse && systemctl list-unit-files | grep -q 'mariadb\.service'; then
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# Older mariadb packages on SLES 12 provided mysql.service. The
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# newer ones on SLES 12 and 15 use mariadb.service; they also
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# provide a mysql.service symlink for backwards-compatibility, but
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# let's not rely on that.
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2017-09-23 14:45:42 +02:00
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MYSQL_SERVICE_NAME=mariadb
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2014-12-04 19:38:15 -05:00
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fi
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2013-04-08 15:38:03 -05:00
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# Functions
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# ---------
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2015-09-08 10:45:06 +00:00
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function get_database_type_mysql {
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if [[ "$MYSQL_DRIVER" == "PyMySQL" ]]; then
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echo mysql+pymysql
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else
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echo mysql
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fi
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}
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2013-03-07 16:11:40 -06:00
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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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2017-09-23 14:45:42 +02:00
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stop_service $MYSQL_SERVICE_NAME
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2013-03-07 16:11:40 -06:00
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if is_ubuntu; then
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# Get ruthless with mysql
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2015-01-14 10:36:48 -05:00
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apt_get purge -y mysql* mariadb*
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2013-03-07 16:11:40 -06:00
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sudo rm -rf /var/lib/mysql
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2014-03-14 10:48:56 -03:00
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sudo rm -rf /etc/mysql
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2013-03-07 16:11:40 -06:00
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return
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2017-09-23 14:45:42 +02:00
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elif is_oraclelinux; then
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2015-03-19 08:20:38 -07:00
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uninstall_package mysql-community-server
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sudo rm -rf /var/lib/mysql
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2017-09-23 14:45:42 +02:00
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elif is_suse || is_fedora; then
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2015-01-26 16:39:57 +01:00
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uninstall_package mariadb-server
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sudo rm -rf /var/lib/mysql
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2013-03-07 16:11:40 -06:00
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else
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return
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fi
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}
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2012-11-01 16:12:39 -04:00
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function recreate_database_mysql {
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local db=$1
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2013-05-08 18:43:26 +08:00
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mysql -u$DATABASE_USER -p$DATABASE_PASSWORD -h$MYSQL_HOST -e "DROP DATABASE IF EXISTS $db;"
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2014-10-06 13:29:39 +02:00
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mysql -u$DATABASE_USER -p$DATABASE_PASSWORD -h$MYSQL_HOST -e "CREATE DATABASE $db CHARACTER SET utf8;"
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2012-11-01 16:12:39 -04:00
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}
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function configure_database_mysql {
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2014-07-25 14:56:22 -05:00
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local my_conf mysql slow_log
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2012-11-01 16:12:39 -04:00
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echo_summary "Configuring and starting MySQL"
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2012-12-04 12:36:34 +01:00
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if is_ubuntu; then
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2014-07-25 14:56:22 -05:00
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my_conf=/etc/mysql/my.cnf
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2015-03-19 08:20:38 -07:00
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elif is_suse || is_oraclelinux; then
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my_conf=/etc/my.cnf
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2012-12-06 09:56:32 +01:00
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elif is_fedora; then
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2014-07-25 14:56:22 -05:00
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my_conf=/etc/my.cnf
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2017-06-23 10:32:16 +03:00
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local cracklib_conf=/etc/my.cnf.d/cracklib_password_check.cnf
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if [ -f "$cracklib_conf" ]; then
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inicomment -sudo "$cracklib_conf" "mariadb" "plugin-load-add"
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fi
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2012-12-06 09:56:32 +01:00
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else
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exit_distro_not_supported "mysql configuration"
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2012-11-01 16:12:39 -04:00
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fi
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# Start mysql-server
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2012-12-06 09:56:32 +01:00
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if is_fedora || is_suse; then
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# service is not started by default
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2017-09-23 14:45:42 +02:00
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start_service $MYSQL_SERVICE_NAME
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2012-12-06 09:56:32 +01:00
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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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2016-12-07 21:12:55 +01:00
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# did that with debconf before installing the package, but we still try,
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# because the package might have been installed already.
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sudo mysqladmin -u root password $DATABASE_PASSWORD || true
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2012-12-06 09:56:32 +01:00
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2015-08-18 06:57:18 -04:00
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# Update the DB to give user '$DATABASE_USER'@'%' full control of the all databases:
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2012-11-01 16:12:39 -04:00
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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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2015-08-18 06:57:18 -04:00
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# Change bind-address from localhost (127.0.0.1) to any (::) and
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2014-04-03 08:27:33 +02:00
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# set default db type to InnoDB
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2017-09-19 10:52:32 +00:00
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iniset -sudo $my_conf mysqld bind-address "$(ipv6_unquote $SERVICE_LISTEN_ADDRESS)"
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2017-02-07 13:34:12 +02:00
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iniset -sudo $my_conf mysqld sql_mode TRADITIONAL
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2015-07-22 06:08:09 +10:00
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iniset -sudo $my_conf mysqld default-storage-engine InnoDB
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2017-03-15 21:58:48 +00:00
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iniset -sudo $my_conf mysqld max_connections 1024
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2015-07-22 06:08:09 +10:00
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iniset -sudo $my_conf mysqld query_cache_type OFF
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iniset -sudo $my_conf mysqld query_cache_size 0
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2012-11-01 16:12:39 -04:00
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2014-01-25 01:10:31 +00:00
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if [[ "$DATABASE_QUERY_LOGGING" == "True" ]]; then
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echo_summary "Enabling MySQL query logging"
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2015-01-26 16:39:57 +01:00
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if is_fedora; then
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2014-04-30 11:57:22 +02:00
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slow_log=/var/log/mariadb/mariadb-slow.log
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else
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slow_log=/var/log/mysql/mysql-slow.log
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fi
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2014-04-03 08:27:33 +02:00
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sudo sed -e '/log.slow.queries/d' \
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-e '/long.query.time/d' \
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-e '/log.queries.not.using.indexes/d' \
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2014-07-25 14:56:22 -05:00
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-i $my_conf
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2014-04-03 08:27:33 +02:00
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# Turn on slow query log, log all queries (any query taking longer than
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# 0 seconds) and log all non-indexed queries
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2015-07-22 06:08:09 +10:00
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iniset -sudo $my_conf mysqld slow-query-log 1
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iniset -sudo $my_conf mysqld slow-query-log-file $slow_log
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iniset -sudo $my_conf mysqld long-query-time 0
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iniset -sudo $my_conf mysqld log-queries-not-using-indexes 1
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2014-01-25 01:10:31 +00:00
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fi
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2013-01-07 08:17:01 +00:00
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2017-09-23 14:45:42 +02:00
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restart_service $MYSQL_SERVICE_NAME
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2012-11-01 16:12:39 -04:00
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}
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function install_database_mysql {
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2012-12-04 12:36:34 +01:00
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if is_ubuntu; then
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2012-11-01 16:12:39 -04:00
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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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2015-01-19 10:56:42 +00:00
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sudo debconf-set-selections <<MYSQL_PRESEED
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mysql-server mysql-server/root_password password $DATABASE_PASSWORD
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mysql-server mysql-server/root_password_again password $DATABASE_PASSWORD
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mysql-server mysql-server/start_on_boot boolean true
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2012-11-01 16:12:39 -04:00
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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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2015-11-17 00:56:25 +01:00
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host=$MYSQL_HOST
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2012-11-01 16:12:39 -04:00
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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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2017-09-23 14:45:42 +02:00
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if is_oraclelinux; then
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install_package mysql-community-server
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elif is_fedora || is_suse; then
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2015-03-19 08:20:38 -07:00
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install_package mariadb-server
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2017-09-23 14:45:42 +02:00
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sudo systemctl enable $MYSQL_SERVICE_NAME
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2015-03-19 08:20:38 -07:00
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elif is_ubuntu; then
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install_package mysql-server
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2012-11-21 17:45:49 +01:00
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else
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2012-12-06 09:56:32 +01:00
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exit_distro_not_supported "mysql installation"
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2012-11-21 17:45:49 +01:00
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fi
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2015-03-09 14:27:51 -05:00
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}
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2015-02-16 13:58:35 -06:00
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2015-03-09 14:27:51 -05:00
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function install_database_python_mysql {
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2015-02-16 13:58:35 -06:00
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# Install Python client module
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2015-05-20 06:37:11 -07:00
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pip_install_gr $MYSQL_DRIVER
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if [[ "$MYSQL_DRIVER" == "MySQL-python" ]]; then
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ADDITIONAL_VENV_PACKAGES+=",MySQL-python"
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2015-06-12 09:05:12 +02:00
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elif [[ "$MYSQL_DRIVER" == "PyMySQL" ]]; then
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ADDITIONAL_VENV_PACKAGES+=",PyMySQL"
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2015-05-20 06:37:11 -07:00
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fi
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2012-11-01 16:12:39 -04:00
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}
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function database_connection_url_mysql {
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2013-03-03 12:23:04 +01:00
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local db=$1
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echo "$BASE_SQL_CONN/$db?charset=utf8"
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2012-11-01 16:12:39 -04:00
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}
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2013-04-08 15:38:03 -05:00
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2012-11-01 16:12:39 -04:00
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# Restore xtrace
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2015-10-13 11:03:03 +11:00
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$_XTRACE_DB_MYSQL
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2013-03-29 14:34:53 -04:00
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# Local variables:
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# mode: shell-script
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# End:
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