OpenShift in Action

320 Pages·2018·12.2 MB·English

by  Jamie Duncan

Jamie Duncan
John Osborne
Foreword by Jim Whitehurst
M A N N I N G
OpenShift in Action

OpenShift in Action
JAMIE DUNCAN
JOHN OSBORNE
MANNING
SHELTER ISLAND
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For Molly and Elizabeth. Thank you for your understanding, your immeasurable
assistance, and making me take time off to play with the chickens.
—J.D.

To my wife and two daughters, thank you for always giving me spontaneous reasons
to laugh.
—J.O.

brief contents
P 1 F ................................................................1
ART UNDAMENTALS
1 ■ Getting to know OpenShift 3
2 ■ Getting started 20
3 ■ Containers are Linux 37
P 2 C - ...........................................59
ART LOUD NATIVE APPLICATIONS
4 ■ Working with services 61
5 ■ Autoscaling with metrics 80
6 ■ Continuous integration and continuous deployment 91
P 3 S ................................................125
ART TATEFUL APPLICATIONS
7 ■ Creating and managing persistent storage 127
8 ■ Stateful applications 147
P 4 O ............................................169
ART PERATIONS AND SECURITY
9 ■ Authentication and resource access 171
10 ■ Networking 194
11 ■ Security 217
vii

contents
foreword xv
preface xvii
acknowledgments xix
about this book xx
about the authors xxiii
about the cover illustration xxiv
P 1 F ......................................................1
ART UNDAMENTALS
1 Getting to know OpenShift 3
1.1 What is a container platform? 4
Containers in OpenShift 4 ■ Orchestrating containers 5
1.2 Examining the architecture 7
Integrating container images 7 ■ Accessing applications 7
Handling network traffic in your cluster 9
1.3 Examining an application 9
Building applications 9 ■ Deploying and serving applications 9
1.4 Use cases for container platforms 12
Technology use cases 12 ■ Use cases for businesses 13
When containers aren’t the answer 15
1.5 Solving container storage needs 15
ix