Glance

Introduction

The 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.

Glance image services include 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.

Devstack Screens

OpenStack Image Service is split into two running services glance-api and glance-registry

• screen number (4) g-reg, (5) g-api are glance screen windows.
• g-reg is a short form of glance-registry
• g-api is a short form glance-api.

/usr/local/bin/glance-registry --config-file=/etc/glance/glance-registry.conf
/usr/local/bin/glance-api --config-file=/etc/glance/glance-api.conf