In the previous chapter, we discussed the Keystone identity service, as well as the Keystone-related objectives for the Certified OpenStack administrator exam. Now we will discuss Glance. Glance is the OpenStack image service and it provides the registration, storage, and delivery of cloud images.
In this chapter, we will cover the following topics:
- Cloud Images
- Image file formats
- Glance architecture
- Glance image properties versus Glance metadata definitions
- Exam objective - creating Glance images
- Exam objective - downloading Glance images
- Exam objective - sharing Glance images with specific projects
- Exam objective - updating Glance metadata
After this chapter, you should have a solid understanding of Glance and the skills necessary to successfully fulfill all Glance-related objectives on the exam.