DevOps with OpenShift. Cloud Deployments Made Easy - Helion

ebook

Autor: Stefano Picozzi, Mike Hepburn, Noel O'Connor
ISBN: 978-14-919-7661-6
stron: 152, Format: ebook
Data wydania: 2017-07-10
Księgarnia: Helion

Cena książki: 126,65 zł (poprzednio: 147,27 zł)
Oszczędzasz: 14% (-20,62 zł)

Osoby, które kupiły tę książkę, wybierały także »

Tagi: Programowanie w chmurze

For many organizations, a big part of DevOps’ appeal is software automation using infrastructure-as-code techniques. This book presents developers, architects, and infra-ops engineers with a more practical option. You’ll learn how a container-centric approach from OpenShift, Red Hat’s cloud-based PaaS, can help your team deliver quality software through a self-service view of IT infrastructure.

Three OpenShift experts at Red Hat explain how to configure Docker application containers and the Kubernetes cluster manager with OpenShift’s developer- and operational-centric tools. Discover how this infrastructure-agnostic container management platform can help companies navigate the murky area where infrastructure-as-code ends and application automation begins.

Get an application-centric view of automation—and understand why it’s important
Learn patterns and practical examples for managing continuous deployments such as rolling, A/B, blue-green, and canary
Implement continuous integration pipelines with OpenShift’s Jenkins capability
Explore mechanisms for separating and managing configuration from static runtime software
Learn how to use and customize OpenShift’s source-to-image capability
Delve into management and operational considerations when working with OpenShift-based application workloads
Install a self-contained local version of the OpenShift environment on your computer

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Spis treści

DevOps with OpenShift. Cloud Deployments Made Easy eBook -- spis treści

Preface
- Who Should Read This Book
- Why We Wrote This Book
- Online Resources
- Conventions Used in This Book
- Using Code Examples
- OReilly Safari
- How to Contact Us
- Acknowledgments
  - Stefano
  - Mike
  - Noel
1. Introduction to DevOps with OpenShift
- DevOps
- Containers
- Container Orchestration
- Continuous Integration
- Continuous Delivery
- Continuous Deployment
- Pipelines
- Software Configuration Management
- Deployment Patterns
- Continuous Improvement
- Summary
2. Installing the All-In-One OpenShift
- Software Requirements
  - Install OpenShift oc Client Tools
  - Install Docker
  - Launch OpenShift
- Verify Your Environment
  - Log In Using the Command Line
  - Log In from Console
- Working with Storage
  - Create a Persistent Volume
  - Set Up the Volume Claim
- Create a GitHub Account
- Alternative Form Factors
- Summary
3. Deployments
- The Replication Controller
- Deployment Strategies
  - Rolling
  - Triggers
  - Recreate
  - Custom
  - Lifecycle Hooks
  - Deployment Pod Resources
- Blue-Green Deployments
- A/B Deployments
- Canary Deployments
- Rollbacks
- Summary
4. Pipelines
- Our First Pipeline Example
  - Pipeline Components
  - So Whats Happened Here? Examination of the Pipeline Details
  - Explore Jenkins
- Multiple Project Pipeline Example
  - Build, Tag, Promote
  - Create Projects
  - Add Role-Based Access Control
  - Deploy Jenkins and Our Pipeline Definition
  - Deploy Our Sample Application
  - Run Our Pipeline Deployment
  - Quickly Deploying a New Branch
- Managing Image Changes
- Cascading Pipelines
- Customizing Jenkins
- Parallel Build Jobs
- Summary
5. Configuration Management
- Secrets
  - Secret Creation
  - Using Secrets in Pods
    - Mounting as a volume
    - Mounting secrets as environment variables
  - Additional Information
- Configuration Maps
  - Creating Configuration Maps
  - Mounting Configuration Maps as Volumes
  - Mounting the Configuration Map as Environment Variables
- Environment Variables
  - Adding Environment Variables
  - Removing Environment Variables
  - Change Triggers
- Labels and Annotations
  - Label examples
  - Annotation examples
- Downward API
- Handling Large Configuration Data Sets
  - Persistent Volumes
  - Layered Images
- Summary
6. Custom Image Builds
- OpenShift Builds
  - Build Strategies
  - Build Sources
  - Build Configurations
    - Creating build configs
  - Source to Image
  - S2I Process
  - Custom S2I Scripts
    - Build environment
- Custom S2I Builder
  - Builder Image
    - S2I labels
  - S2I Scripts
    - Assemble
    - Run
  - Adding a New Builder Image
  - Building a Sample Application
    - Alternative approach
  - Troubleshooting
- Summary
7. Application Management
- Integrated Logging
- Container Logs Are Transient
- Aggregated Logging
- Kibana
- Some General Aggregated Kibana Queries
- Simple Metrics
- Resource Scheduling
  - Quotas
  - Quota Scopes
  - Quota Enforcement
  - Limit Ranges and Requests Versus Limits
  - Multiproject Quotas
- Applications
- Eviction and Pod Rescheduling
- Overcommit
- Auto Pod Scaling
- Java-Based Application Monitoring and Management Using Jolokia
- Summary
Afterword
- What We Covered
- Final Words
A. OpenShift and 12 Factor Apps
- Codebase
- Dependencies
- Configuration
- Backing Services
- Build, Release, Run
- Processes
  - Session Affinity
  - Storage
  - Stateful Pods
- Port Binding
- Concurrency
- Disposability
- Dev/Prod Parity
- Logs
- Admin Processes
- Security
- Summary
Index