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  • Book Overview & Buying OpenStack Cloud Computing Cookbook, Third Edition
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OpenStack Cloud Computing Cookbook, Third Edition

OpenStack Cloud Computing Cookbook, Third Edition

By : Cody Bunch
3.4 (5)
Buy this Book
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OpenStack Cloud Computing Cookbook, Third Edition

OpenStack Cloud Computing Cookbook, Third Edition

3.4 (5)
By: Cody Bunch
Buy this Book

Overview of this book

OpenStack Open Source software is one of the most used cloud infrastructures to support software development and 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. It is simple to implement, massively scalable, and can 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 show you the steps to build up a private cloud environment. At the beginning, you'll 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 ML2, networks, routers, and Distributed Virtual Routers. You’ll then gather more expert knowledge on OpenStack cloud computing by managing your cloud's security and migration. After that, we delve in to OpenStack Object storage and how to manage servers and work with objects, cluster, and storage functionalities. Also, as you go deeper into the realm of OpenStack, you'll learn practical examples of Block storage, LBaaS, and FWaaS: installation and configuration covered ground up. Finally, you will learn OpenStack dashboard, Ansible and Foreman, Keystone, and other interesting topics.
Table of Contents (13 chapters)
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Preface
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Preface
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What this book covers
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What you need for this book
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Who this book is for
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Conventions
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Reader feedback
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Customer support
Lock Free Chapter
1
1. Keystone – OpenStack Identity Service
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1. Keystone – OpenStack Identity Service
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Introduction
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Installing the OpenStack Identity Service
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Configuring OpenStack Identity for SSL communication
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Creating tenants in Keystone
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Configuring roles in Keystone
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Adding users to Keystone
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Defining service endpoints
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Creating the service tenant and service users
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Configuring OpenStack Identity for LDAP Integration
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2. Glance – OpenStack Image Service
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2. Glance – OpenStack Image Service
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Introduction
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Installing OpenStack Image Service
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Configuring OpenStack Image Service with OpenStack Identity Service
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Configuring OpenStack Image Service with OpenStack Object Storage
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Managing images with OpenStack Image Service
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Registering a remotely stored image
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Sharing images among tenants
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Viewing shared images
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Using image metadata
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Migrating a VMware image
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Creating an OpenStack image
3
3. Neutron – OpenStack Networking
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3. Neutron – OpenStack Networking
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Introduction
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Installing Neutron and Open vSwitch on a dedicated network node
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Configuring Neutron and Open vSwitch
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Installing and configuring the Neutron API service
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Creating a tenant Neutron network
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Deleting a Neutron network
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Creating an external floating IP Neutron network
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Using Neutron networks for different purposes
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Configuring Distributed Virtual Routers
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Using Distributed Virtual Routers
4
4. Nova – OpenStack Compute
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4. Nova – OpenStack Compute
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Introduction
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Installing OpenStack Compute controller services
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Installing OpenStack Compute packages
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Configuring database services
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Configuring OpenStack Compute
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Configuring OpenStack Compute with OpenStack Identity Service
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Stopping and starting nova services
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Installation of command-line tools on Ubuntu
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Using the command-line tools with HTTPS
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Checking OpenStack Compute services
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Using OpenStack Compute
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Managing security groups
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Creating and managing key pairs
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Launching our first cloud instance
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Fixing a broken instance deployment
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Terminating your instances
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Using live migration
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Working with nova-schedulers
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Creating flavors
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Defining host aggregates
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Launching instances in specific Availability Zones
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Launching instances on specific Compute hosts
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Removing Nova nodes from a cluster
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5. Swift – OpenStack Object Storage
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5. Swift – OpenStack Object Storage
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Introduction
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Configuring Swift services and users in Keystone
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Installing OpenStack Object Storage services – proxy server
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Configuring OpenStack Object Storage – proxy server
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Installing OpenStack Object Storage services – storage nodes
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Configuring physical storage for use with Swift
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Configuring Object Storage replication
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Configuring OpenStack Object Storage – storage services
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Making the Object Storage rings
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Stopping and starting OpenStack Object Storage
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Setting up SSL access
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6. Using OpenStack Object Storage
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6. Using OpenStack Object Storage
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Introduction
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Installing the swift client tool
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Creating containers
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Uploading objects
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Uploading large objects
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Listing containers and objects
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Downloading objects
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Deleting containers and objects
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Using OpenStack Object Storage ACLs
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Using Container Synchronization between two Swift Clusters
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7. Administering OpenStack Object Storage
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7. Administering OpenStack Object Storage
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Introduction
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Managing the OpenStack Object Storage cluster with swift-init
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Checking cluster health
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Managing the Swift cluster capacity
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Removing nodes from a cluster
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Detecting and replacing failed hard drives
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Collecting usage statistics
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8. Cinder – OpenStack Block Storage
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8. Cinder – OpenStack Block Storage
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Introduction
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Configuring Cinder-volume services
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Configuring OpenStack Compute for Cinder-volume
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Creating volumes
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Attaching volumes to an instance
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Detaching volumes from an instance
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Deleting volumes
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Configuring third-party volume services
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Working with Cinder snapshots
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Booting from volumes
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9. More OpenStack
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9. More OpenStack
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Introduction
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Using cloud-init to run post-installation commands
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Using cloud-config to run the post-installation configuration
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Installing OpenStack Telemetry
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Using OpenStack Telemetry to interrogate usage statistics
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Installing Neutron LBaaS
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Using Neutron LBaaS
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Configuring Neutron FWaaS
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Using Neutron FWaaS
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Installing the Heat OpenStack Orchestration service
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Using Heat to spin up instances
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10. Using the OpenStack Dashboard
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10. Using the OpenStack Dashboard
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Introduction
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Installing OpenStack Dashboard
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Using OpenStack Dashboard for key management
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Using OpenStack Dashboard to manage Neutron networks
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Using OpenStack Dashboard for security group management
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Using OpenStack Dashboard to launch instances
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Using OpenStack Dashboard to terminate instances
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Using OpenStack Dashboard to connect to instances using a VNC
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Using OpenStack Dashboard to add new tenants – projects
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Using OpenStack Dashboard for user management
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Using OpenStack Dashboard with LBaaS
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Using OpenStack Dashboard with OpenStack Orchestration
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11. Production OpenStack
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11. Production OpenStack
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Introduction
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Installing the MariaDB Galera cluster
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Configuring HA Proxy for the MariaDB Galera cluster
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Configuring HA Proxy for high availability
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Installing and configuring Pacemaker with Corosync
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Configuring OpenStack services with Pacemaker and Corosync
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Bonding network interfaces for redundancy
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Automating OpenStack installations using Ansible – host configuration
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Automating OpenStack installations using Ansible – Playbook configuration
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Automating OpenStack installations using Ansible – running Playbooks
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Index
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Index

Removing nodes from a cluster

There may be times when we need to scale back or remove a failed node from for service. We can do this by removing nodes from the zones in our cluster. In the following example, we will remove the node 172.16.0.212 in z5, which only has one storage device attached, which is /dev/sdb1.

Getting ready

Ensure you are logged in to the swift-proxy nodes. If you created this node with Vagrant, you can access it by issuing the following command:

vagrant ssh swift-proxy

How to do it...

To remove a storage node from a zone, you need to make changes in the proxy server configuration, which is highlighted in the next section.

Proxy Server

We need to make changes in our proxy server configuration by following these steps:

  1. To remove a node from OpenStack Object Storage, we first set its weight parameter to 0 so that data is drained away from this node when the rings get rebalanced:

    cd /etc/swift

swift-ring-builder account.builder set_weight z5-172.16.0.212:6002/sdb1 0
swift-ring...
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OpenStack Cloud Computing Cookbook, Third Edition
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