OpenStack Administration with Ansible 2 - Second Edition电子书

OpenStack Administration with Ansible 2 Second Edition

OpenStack Administration with Ansible 2 Second Edition

Credits

About the Author

About the Reviewer

www.PacktPub.com

Why subscribe?

Customer Feedback

Preface

What this book covers

What you need for this book

Who this book is for

Conventions

Reader feedback

Customer support

Downloading the example code

Errata

Piracy

Questions

1. Introduction to OpenStack

An overview of OpenStack

The OpenStack Foundation

Reviewing the OpenStack services

OpenStack Compute (code-name Nova)

OpenStack Object Storage (code-name Swift)

OpenStack Image Service (code-name Glance)

OpenStack Identity (code-name Keystone)

OpenStack Dashboard (code-name Horizon)

OpenStack Networking (code-name Neutron)

OpenStack Block Storage (code-name Cinder)

OpenStack Orchestration (code-name Heat)

OpenStack Telemetry (code-name Ceilometer)

OpenStack Database (code-name Trove)

OpenStack Data Processing (code-name Sahara)

OpenStack Bare Metal Provisioning (code-name Ironic)

Other optional services

OpenStack supporting components

Features and benefits

Fully distributed architecture

Using commodity hardware

Scaling horizontally or vertically

Meeting high availability requirements

Compute isolation and multi-dc Support

Robust role-based access control

Working examples – listing the services

Listing the OpenStack services

Via API

Via CLI

Summary

2. Introduction to Ansible

Ansible 2.0 overview

What are playbooks, roles, and modules?

Playbooks

Roles

Modules

Setting up the environment

Upgrading to Ansible 2.0

New OpenStack client authentication

Variables and facts

Variables

Setting variable placeholders

Defining variable values

Registering variables

Facts

Defining the inventory

Dynamic inventory

Blocks

Strategies

Cloud integrations

Summary

3. Creating Multiple Users/Projects

Creating users and projects

Manually creating users and projects

Creating a user

Creating a project

Assigning a role and project access to users

Automation considerations

Defining variables globally or per role

OpenStack API or CLI?

Where to run Ansible

Coding the playbooks and roles

Reviewing playbooks and roles

Summary

4. Customizing Your Clouds Quotas

Defining and creating quotas

Manually creating quotas

Setting up default quotas

Resetting quota values

Automation considerations

Coding the playbooks and roles

Reviewing playbooks and roles

Summary

5. Snapshot Your Cloud

Defining backups and snapshots

Manually creating backups and snapshots

Restoring an instance backup

Automation considerations

Coding the playbooks and roles

Reviewing playbooks and roles

Summary

6. Migrating Instances

Instance migration

Manually migrating instances

Migrating an instance to a specific compute node

Automation considerations

Coding the playbooks and roles

Role details

Variable details

Playbook details

Reviewing playbook and role

Summary

7. Managing Containers on Your Cloud

The container concept explained

Building and deploying containers

Building containers with Ansible Container

Automation considerations

Step 1

Step 2

Step 3

Step 4

Deploying Kubernetes on OpenStack

Automation considerations

Managing CoreOS and Docker with Ansible

Automation considerations

Coding the playbooks and roles

Deploying Nova LXD on OpenStack

Automation considerations

Reviewing playbooks and roles

Summary

8. Setting Up Active-Active Regions

Reviewing OpenStack high availability scenarios

Multiple data centers

Single data center

Availability Zones

Why to use Active-Active cloud regions?

Setting up Active-Active cloud regions

Region endpoint inventory

Admin region configurations

Creating service user accounts on the Admin region

Creating services on the Admin region

Registering each region's endpoints to the Admin region

Adjusting the Admin regions' identity endpoint

Active region configurations

Coding the playbooks and roles

Setting up the Admin region

Setting up Active regions

Reviewing playbooks and roles

Summary

9. Inventory Your Cloud

Collecting cloud metrics

User report

Project report

Network report

Volume report

Cloud-at-a-Glance report

Coding the playbooks and roles

cloud-inventory

cloud-usage

user-inventory

project-inventory

network-inventory

volume-inventory

Reviewing playbooks and roles

Summary

10. Health Check Your Cloud with Nagios

Monitoring the cloud

OpenStack service processes

Infrastructure services

MariaDB and Galera

RabbitMQ

Core OpenStack services

Service and process check examples

Setting up Nagios and import checks

Collect your metrics via SNMP

Coding the playbooks and roles

snmp-config

install-nagios

nagios-plugins

install-nconf

nconf-post-install

create-nagios-user

infra-plugin-config

nagios-post-install

Reviewing playbook and role

Summary