April 2018
Intermediate to advanced
280 pages
8h 37m
English
The OpenStack Image service (Glance) provides the functionality that allows OpenStack users to manipulate virtual machine images. Users can discover virtual machine images, upload new images, and also launch a VM from an existing image. Glance also provides a REST API which is consumed by the Glance command-line utility.
The Image service has an API service and a registry service. Both are required for Glance to work properly. It also uses a backend database that is either MySQL or postgres. It supports storage backends where the actual virtual machine images are stored. The backend to be used is configurable in the glance-api.conf file.
The Glance service doesn't often need any troubleshooting ...