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diff --git a/doc/source/user/manage-db-and-users.rst b/doc/source/user/manage-db-and-users.rst new file mode 100644 index 00000000..38a80442 --- /dev/null +++ b/doc/source/user/manage-db-and-users.rst @@ -0,0 +1,150 @@ +============================================= +Manage databases and users on Trove instances +============================================= + +Assume that you installed Trove service and uploaded images with datastore +of your choice. +This section shows how to manage users and databases in a MySQL 5.7 instance. + +Add new database and user to an existing Trove instance +~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + +Trove provides API to manage users and databases on +datastores including relational (e.g. MySQL, PostgreSQL) and non-relational +(e.g. Redis, Cassandra). Once a Trove instance with a datastore of choice is +active you can use Trove API to create new databases and/or users. + +.. code-block:: console + + $ openstack database user list db-instance + + +------+------+-----------+ + | Name | Host | Databases | + +------+------+-----------+ + | test | % | testdb | + +------+------+-----------+ + + $ openstack database user create db-instance newuser userpass --databases testdb + + $ openstack database user list db-instance + + +---------+------+-----------+ + | Name | Host | Databases | + +---------+------+-----------+ + | newuser | % | testdb | + | test | % | testdb | + +---------+------+-----------+ + + + $ mysql -h 172.24.4.199 -u newuser -p testdb + Enter password: + + mysql> show databases; + + +--------------------+ + | Database | + +--------------------+ + | information_schema | + | testdb | + +--------------------+ + + 2 rows in set (0.00 sec) + + + $ openstack database db create db-instance newdb + + + $ openstack database db list db-instance + + +--------+ + | Name | + +--------+ + | newdb | + | sys | + | testdb | + +--------+ + + $ mysql -h 172.24.4.199 -u newuser -p newdb + + Enter password: + ERROR 1044 (42000): Access denied for user 'newuser'@'%' to database 'newdb' + + +Manage access to databases +~~~~~~~~~~~~~~~~~~~~~~~~~~ + +With Trove API you can grant and revoke database access rights for existing users. + +.. code-block:: console + + $ openstack database user grant access db-instance newuser newdb + + + $ openstack database user show access db-instance newuser + + +--------+ + | Name | + +--------+ + | newdb | + | testdb | + +--------+ + + $ mysql -h IP_ADDRESS -u newuser -p newdb + Enter password: + + + $ openstack database user show access db-instance test + + +--------+ + | Name | + +--------+ + | testdb | + +--------+ + + $ mysql -h IP_ADDRESS -u test -p newdb + Enter password: + + ERROR 1044 (42000): Access denied for user 'test'@'%' to database 'newdb' + + + $ openstack database user revoke access db-instance newuser newdb + + + $ mysql -h IP_ADDRESS -u newuser -p newdb + Enter password: + + ERROR 1044 (42000): Access denied for user 'newuser'@'%' to database 'newdb' + + +Delete databases +~~~~~~~~~~~~~~~~ + +Lastly, Trove provides API for deleting databases. + +.. code-block:: console + + $ openstack database db list db-instance + + +--------+ + | Name | + +--------+ + | newdb | + | sys | + | testdb | + +--------+ + + $ openstack database db delete db-instance testdb + + $ openstack database db list db-instance + + +--------+ + | Name | + +--------+ + | newdb | + | sys | + +--------+ + + $ mysql -h IP_ADDRESS -u test -p testdb + Enter password: + + ERROR 1049 (42000): Unknown database 'testdb'
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