0859794433
Refer to https://specs.openstack.org/openstack/docs-specs/specs/pike/os-manuals-migration.html for details. Change-Id: Icd7cca752c8b87eb4543f0307bbf6e7ae07194b5 Signed-off-by: Doug Hellmann <doug@doughellmann.com>
67 lines
2.3 KiB
ReStructuredText
67 lines
2.3 KiB
ReStructuredText
=========================
|
|
Database service overview
|
|
=========================
|
|
|
|
The Database service provides scalable and reliable cloud provisioning
|
|
functionality for both relational and non-relational database engines.
|
|
Users can quickly and easily use database features without the burden of
|
|
handling complex administrative tasks. Cloud users and database
|
|
administrators can provision and manage multiple database instances as
|
|
needed.
|
|
|
|
The Database service provides resource isolation at high performance
|
|
levels, and automates complex administrative tasks such as deployment,
|
|
configuration, patching, backups, restores, and monitoring.
|
|
|
|
**Process flow example**
|
|
|
|
This example is a high-level process flow for using Database services:
|
|
|
|
#. The OpenStack Administrator configures the basic infrastructure using
|
|
the following steps:
|
|
|
|
#. Install the Database service.
|
|
#. Create an image for each type of database. For example, one for MySQL
|
|
and one for MongoDB.
|
|
#. Use the :command:`trove-manage` command to import images and offer them
|
|
to tenants.
|
|
|
|
#. The OpenStack end user deploys the Database service using the following
|
|
steps:
|
|
|
|
#. Create a Database service instance using the :command:`trove create`
|
|
command.
|
|
#. Use the :command:`trove list` command to get the ID of the instance,
|
|
followed by the :command:`trove show` command to get the IP address of
|
|
it.
|
|
#. Access the Database service instance using typical database access
|
|
commands. For example, with MySQL:
|
|
|
|
.. code-block:: console
|
|
|
|
$ mysql -u myuser -p -h TROVE_IP_ADDRESS mydb
|
|
|
|
**Components**
|
|
|
|
The Database service includes the following components:
|
|
|
|
``python-troveclient`` command-line client
|
|
A CLI that communicates with the ``trove-api`` component.
|
|
|
|
``trove-api`` component
|
|
Provides an OpenStack-native RESTful API that supports JSON to
|
|
provision and manage Trove instances.
|
|
|
|
``trove-conductor`` service
|
|
Runs on the host, and receives messages from guest instances that
|
|
want to update information on the host.
|
|
|
|
``trove-taskmanager`` service
|
|
Instruments the complex system flows that support provisioning
|
|
instances, managing the lifecycle of instances, and performing
|
|
operations on instances.
|
|
|
|
``trove-guestagent`` service
|
|
Runs within the guest instance. Manages and performs operations on
|
|
the database itself.
|