.. Copyright 2010 OpenStack, LLC All Rights Reserved. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. Welcome to Glance's documentation! ================================== The Glance project provides services for discovering, registering, and retrieving virtual machine images. Glance has a RESTful API that allows querying of VM image metadata as well as retrieval of the actual image. VM images made available through Glance can be stored in a variety of locations from simple filesystems to object-storage systems like the OpenStack Swift project. Glance, as with all OpenStack projects, is written with the following design guidelines in mind: * **Component based architecture**: Quickly add new behaviors * **Highly available**: Scale to very serious workloads * **Fault tolerant**: Isolated processes avoid cascading failures * **Recoverable**: Failures should be easy to diagnose, debug, and rectify * **Open standards**: Be a reference implementation for a community-driven api This documentation is generated by the Sphinx toolkit and lives in the source tree. Additional documentation on Glance and other components of OpenStack can be found on the `OpenStack wiki`_. .. _`OpenStack wiki`: http://wiki.openstack.org Concepts ======== .. toctree:: :maxdepth: 1 identifiers statuses formats Using Glance ============ .. toctree:: :maxdepth: 1 installing controllingservers configuring glance glanceapi client authentication policies cache Developer Docs ============== .. toctree:: :maxdepth: 1 architecture community Indices and tables ================== * :ref:`genindex` * :ref:`modindex` * :ref:`search`