Book Image

OpenStack Cloud Computing Cookbook - Fourth Edition

By : Kevin Jackson, Cody Bunch, Egle Sigler, James Denton
Book Image

OpenStack Cloud Computing Cookbook - Fourth Edition

By: Kevin Jackson, Cody Bunch, Egle Sigler, James Denton

Overview of this book

This is the fourth edition of the industry-acclaimed OpenStack Cloud Computing Cookbook, created by four recognized OpenStack experts. It has now been updated to work with the latest OpenStack builds, using tools and processes based on their collective and vast OpenStack experience. OpenStack Open Source Cloud software is one of the most used cloud infrastructures to support a wide variety of use cases, from software development to big data analysis. It is developed by a thriving community of individual developers from around the globe and backed by most of the leading players in the cloud space today. We make it simple to implement, massively scalable, and able to store a large pool of data and networking resources. OpenStack has a strong ecosystem that helps you provision your cloud storage needs. Add OpenStack's enterprise features to reduce the cost of your business. This book will begin by showing you the steps to build up an OpenStack private cloud environment using Ansible. You'll then discover the uses of cloud services such as the identity service, image service, and compute service. You'll dive into Neutron, the OpenStack Networking service, and get your hands dirty with configuring networks, routers, load balancers, and more. You’ll then gather more expert knowledge on OpenStack cloud computing by managing your cloud's security and migration. After that, we delve into OpenStack Object storage and you’ll see how to manage servers and work with objects, cluster, and storage functionalities. Finally, you will learn about OpenStack dashboard, Ansible, Keystone, and other interesting topics.
Table of Contents (15 chapters)
OpenStack Cloud Computing Cookbook Fourth Edition
Contributors
Preface
Another Book You May Enjoy
Index

Introduction to OpenStack Compute


Compute services in OpenStack are provided by a project that goes by the name Nova. Nova is an API-driven system that manages physical and virtual compute resources in an OpenStack cloud, providing Infrastructure as a Service (IaaS). OpenStack operators, administrators, and users can leverage the Nova API to manage the life cycle of compute resources.

Nova is primarily responsible for managing two resource types: instances, which are the running virtual machines, application containers, or even full bare-metal machines a user has requested, and hosts, that provide the hardware resources required by instances. In most circumstances, instances are synonymous to virtual machines.

It is important to make a distinction between two main features of Nova: the Nova API service (and associated services such as the nova-scheduler, nova-conductor, and nova-placement), which runs on our cluster of three controller nodes, and the nova-compute service, which runs on each...