Book Image

OpenStack Cloud Computing Cookbook - Second Edition

By : Kevin Jackson, Cody Bunch
Book Image

OpenStack Cloud Computing Cookbook - Second Edition

By: Kevin Jackson, Cody Bunch

Overview of this book

<p>OpenStack is an open source cloud operating stack that was born from Rackspace and NASA and became a global success, developed by scores of people around the globe and backed by some of the leading players in the cloud space today.<br /><br />OpenStack Cloud Computing Cookbook, Second Edition will show you exactly how to install the components that are required to make up a private cloud environment. You will learn how to set up an environment that you manage just as you would a public cloud provider like Rackspace with the help of experienced OpenStack administrators and architects.<br /><br />We begin by configuring the key components such as identity, image compute, and storage in a safe, virtual environment that we will then build on this throughout the book. The book will also teach you about provisioning and managing OpenStack in the datacenter using proven DevOps tools and techniques.<br /><br />From installing or creating a sandbox environment using Vagrant and VirtualBox to installing OpenStack in the datacenter, from understanding logging to automating OpenStack installations, whatever level of experience or interest you have with OpenStack there is a chapter for you. Installation steps cover compute, object storage, identity, block storage volumes, image, horizon, software defined networking and DevOps tools for automating your infrastructure OpenStack Cloud Computing Cookbook, Second edition gives you clear step-by-step instructions to installing and running your own private cloud.</p>
Table of Contents (20 chapters)
OpenStack Cloud Computing Cookbook Second Edition
Credits
About the Authors
About the Reviewers
www.PacktPub.com
Preface
Index

Troubleshooting OpenStack Dashboard


The OpenStack dashboard, Horizon, provides the web UI that your end users will use to consume your OpenStack environment, so keeping it running is critical. There are a few instances however, where Horizon may decide to go awry.

How to do it…

When the Horizon goes awry you can check the following.

Unable to log into the OpenStack Dashboard

If you find you are unable to log into Horizon, check you have a valid user/password. To do this, log into a node that has the python-keystone client and attempt to authenticate with the same user:

  export OS_TENANT_NAME=cookbook
  export OS_USERNAME=admin
  export OS_PASSWORD=openstack
  export OS_AUTH_URL=http://172.16.0.200:5000/v2.0/

  keystone user-list

Next, if you are able to log in, but are presented with a Something went wrong screen, validate all services listed in Keystone are accessible to the server running horizon. To do this, log into the horizon server, and if you do not have the python-keystone client...