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Mastering OpenStack

Mastering OpenStack

By : Omar Khedher
3.9 (8)
Buy this Book
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Mastering OpenStack

Mastering OpenStack

3.9 (8)
By: Omar Khedher
Buy this Book

Overview of this book

This book is intended for system administrators, cloud engineers, and system architects who want to deploy a cloud based on OpenStack in a mid- to large-sized IT infrastructure. If you have a fundamental understanding of cloud computing and OpenStack and want to expand your knowledge, then this book is an excellent checkpoint to move forward.
Table of Contents (13 chapters)
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Preface
Preface
What this book covers
What you need for this book
Who this book is for
Conventions
Reader feedback
Customer support
Free Chapter
1
1. Designing OpenStack Cloud Architecture
1. Designing OpenStack Cloud Architecture
OpenStack – think again
Introducing the OpenStack logical architecture
Gathering the pieces and building a picture
A sample architecture setup
Summary
2
2. Deploying OpenStack – DevOps and OpenStack Dual Deal
2. Deploying OpenStack – DevOps and OpenStack Dual Deal
DevOps in a nutshell
Eat the elephant
Summary
3
3. Learning OpenStack Clustering – Cloud Controllers and Compute Nodes
3. Learning OpenStack Clustering – Cloud Controllers and Compute Nodes
Understanding the art of clustering
Divide and conquer
Summary
4
4. Learning OpenStack Storage – Deploying the Hybrid Storage Model
4. Learning OpenStack Storage – Deploying the Hybrid Storage Model
Understanding the storage types
Cooking Swift
Choosing the storage
Summary
5
5. Implementing OpenStack Networking and Security
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5. Implementing OpenStack Networking and Security
The story of an API
Security groups
Firewall as a Service
Summary
6
6. OpenStack HA and Failover
6. OpenStack HA and Failover
HA under the scope
Measuring HA
Summary
7
7. OpenStack Multinode Deployment – Bringing in Production
7. OpenStack Multinode Deployment – Bringing in Production
Confirming the multinode setup
The network topology
The OpenStack deployment
Summary
8
8. Extending OpenStack – Advanced Networking Features and Deploying Multi-tier Applications
8. Extending OpenStack – Advanced Networking Features and Deploying Multi-tier Applications
Navigating through Neutron
Summary
9
9. Monitoring OpenStack – Ceilometer and Zabbix
9. Monitoring OpenStack – Ceilometer and Zabbix
Telemetry in OpenStack – Ceilometer
Ceilometer and heat
Arming OpenStack monitoring
Summary
10
10. Keeping Track for Logs – Centralizing Logs with Logstash
10. Keeping Track for Logs – Centralizing Logs with Logstash
Tackling logging
Two eyes are better than one eye
Summary
11
11. Tuning OpenStack Performance – Advanced Configuration
11. Tuning OpenStack Performance – Advanced Configuration
Pushing the limits of the database
Stressing RabbitMQ
Benchmarking OpenStack at scale
Summary
12
Index
Index

Chapter 5. Implementing OpenStack Networking and Security

 

"To have security, plan ahead."

 
 --A Sicilian Proverb

The first networking concepts in OpenStack introduced you to some easy ways to manage networking by the means of the nova-network daemon. Different network providers such as FlatManager, FlatDHCPManager, and VlanManager are used to construct the network configurations for the internal and external OpenStack networks. These network managers eventually included a bridging tool as a default gateway for instances in a compute node.

On the other hand, for management and security reasons, it might be considered limited for the following reasons:

  • Flat network: This is a single IP pool and layer 2 domain without tenant isolation
  • VLAN network: This requires manual VLAN configuration on the layer 2 device (switch) for port tagging and trunking

You might have noticed the different existing networks that were deployed in a large OpenStack infrastructure and...

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