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

Deleting routers


Routers in OpenStack can be deleted using the openstack router delete command. Before a router can be deleted, all subnets/ports attached to the router must be detached. This will cause a disruption of traffic for any instance connected to a network behind the router. Subnets can be detached using the openstack router remove subnet or openstack router remove port commands.

Getting ready

When deleting a router, the following information will be necessary:

  • Router name or ID

How to do it…

To delete a router in OpenStack, issue the following command:

openstack router delete COOKBOOK_ROUTER_DVR

No output is given. However, the operation can be verified using the openstack router list command:

Deleted routers will no longer appear in the list.

How it works...

When invoked, the openstack router delete command will instruct Neutron to delete the specified router and associated resources. In a reference architecture, the layer 3 agents are responsible for deleting the respective network...