Chapter 5. Glance Image Service

In this chapter, we will cover the following:

  • Configuring Glance with the local file backend
  • Configuring Glance with the NFS backend
  • Configuring Glance with the Swift backend
  • Configuring Glance with the Ceph backend
  • Configuring Glance image caching
  • Configuring the Glance image size limit and storage quota

Introduction

Glance image service is a project that offers images as a service, it enables users to discover, register, and retrieve operating system disk images from which users can launch OpenStack instances. The image service offers a REST API that enables users to query virtual machine disk images and metadata. Virtual machine disk images can be stored on various datastore backends, such as local filesystem, NFS, Ceph, ...

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