glance.openstack.orgWelcome to Glance’s documentation! — glance 28.1.0.dev34 documentation

Toggle navigation Search Software Overview OpenStack Components SDKs Deployment Tools OpenStack Map Sample Configs Use Cases Users in Production Ironic Bare Metal Edge Computing Telecom & NFV Science and HPC Containers Enterprise User Survey Events Open Infrastructure Summits Project Teams Gathering OpenDev Community Events OpenStack & OpenInfra Days Summit Videos Community Welcome! Start Here OpenStack Technical Committee Speakers Bureau OpenStack Wiki Get Certified (COA) Jobs Marketing Resources Community News Superuser Magazine OpenInfra Foundation Supporting Organizations Open Infrastructure Foundation (OpenInfra Foundation) Marketplace Training Distros & Appliances Public Clouds Hosted Private Clouds Remotely Managed Private Clouds Consulting & Integrators Drivers Blog Docs Join Sign up for Foundation Membership Sponsor the Foundation More about the Foundation Log In Welcome to Glance’s documentation! Welcome to Glance’s documentation! ¶ About Glance ¶ The Image service (glance) project provides a service where users can upload and discover data assets that are meant to be used with other services. This currently includes images and metadata definitions . Images ¶ Glance image services include discovering, registering, and retrieving virtual machine (VM) images. Glance has a RESTful API that allows querying of VM image metadata as well as retrieval of the actual image. Note The Images API v1, DEPRECATED in the Newton release, has been removed. 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. Metadata Definitions ¶ Glance hosts a metadefs catalog. This provides the OpenStack community with a way to programmatically determine various metadata key names and valid values that can be applied to OpenStack resources. Note that what we’re talking about here is simply a catalog ; the keys and values don’t actually do anything unless they are applied to individual OpenStack resources using the APIs or client tools provided by the services responsible for those resources. It’s also worth noting that there is no special relationship between the Image Service and the Metadefs Service. If you want to apply the keys and values defined in the Metadefs Service to images, you must use the Image Service API or client tools just as you would for any other OpenStack service. Design Principles ¶ 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 Glance Documentation ¶ The Glance Project Team has put together the following documentation for you. Pick the documents that best match your user profile. User Profile Links Contributor You want to contribute code, documentation, reviews, or ideas to the Glance Project. Glance Contribution Guidelines Administrator You want to administer and maintain a Glance installation, including being aware of changes in Glance from release to release. Glance Administration Guide Glance Utility Programs Glance Release Notes Operator You want to install and configure Glance for your cloud. Glance Installation Glance Configuration Options End User or Third-party Developer You want to use the Image Service APIs provided by Glance. Image Service API Reference Image Service API Guide Glance User Guide this page last updated: 2024-04-25 17:09:49 Except where otherwise noted, this document is licensed under Creative Commons Attribution 3.0 License . See all OpenStack Legal Documents . found an error? report a bug OpenStack Documentation Guides Install Guides User Guides Configuration Guides Operations and Administration Guides API Guides Contributor Guides Languages Deutsch (German) Français (French) Bahasa Indonesia (Indonesian) Italiano (Italian) 日本語 (Japanese) 한국어 (Korean) Português (Portuguese) Türkçe (Türkiye) 简体中文 (Simplified Chinese) glance 28.1.0.dev34 Page Contents Welcome to Glance’s documentation! About Glance Images Metadata Definitions Design Principles Glance Documentation OpenStack Projects OpenStack Security Blog News Community User Groups Events Jobs Companies Contribute Documentation OpenStack Manuals Getting Started API Documentation Wiki Branding & Legal Legal Docs Logos & Guidelines Trademark Policy Privacy Policy OpenInfra CLA Stay In Touch The OpenStack project is provided under the Apache 2.0 license . Docs.openstack.org is powered by Rackspace Cloud Computing...