Kubernetes Patterns. Reusable Elements for Designing Cloud-Native Applications - Helion

ebook

Autor: Bilgin Ibryam, Roland HuĂ
ISBN: 9781492050230
stron: 266, Format: ebook
Data wydania: 2019-04-09
Księgarnia: Helion

Cena książki: 179,00 zł

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Tagi: Inne - Programowanie

The way developers design, build, and run software has changed significantly with the evolution of microservices and containers. These modern architectures use new primitives that require a different set of practices than most developers, tech leads, and architects are accustomed to. With this focused guide, Bilgin Ibryam and Roland Huß from Red Hat provide common reusable elements, patterns, principles, and practices for designing and implementing cloud-native applications on Kubernetes.

Each pattern includes a description of the problem and a proposed solution with Kubernetes specifics. Many patterns are also backed by concrete code examples. This book is ideal for developers already familiar with basic Kubernetes concepts who want to learn common cloud-native patterns.

You’ll learn about the following pattern categories:

Foundational patterns cover the core principles and practices for building container-based cloud-native applications.
Behavioral patterns explore finer-grained concepts for managing various types of container and platform interactions.
Structural patterns help you organize containers within a pod, the atom of the Kubernetes platform.
Configuration patterns provide insight into how application configurations can be handled in Kubernetes.
Advanced patterns cover more advanced topics such as extending the platform with operators.

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Spis treści

Kubernetes Patterns. Reusable Elements for Designing Cloud-Native Applications eBook -- spis treści

Foreword
Preface
- Kubernetes
- Design Patterns
- How This Book Is Structured
- Who This Book Is For
- What You Will Learn
- Conventions
- Using Code Examples
- OReilly Online Learning
- How to Contact Us
- Acknowledgments
1. Introduction
- The Path to Cloud Native
- Distributed Primitives
  - Containers
  - Pods
  - Services
  - Labels
  - Annotations
  - Namespaces
- Discussion
- More Information
I. Foundational Patterns
2. Predictable Demands
- Problem
- Solution
  - Runtime Dependencies
  - Resource Profiles
  - Pod Priority
  - Project Resources
  - Capacity Planning
- Discussion
- More Information
3. Declarative Deployment
- Problem
- Solution
  - Rolling Deployment
  - Fixed Deployment
  - Blue-Green Release
  - Canary Release
- Discussion
- More Information
4. Health Probe
- Problem
- Solution
  - Process Health Checks
  - Liveness Probes
  - Readiness Probes
- Discussion
- More Information
5. Managed Lifecycle
- Problem
- Solution
  - SIGTERM Signal
  - SIGKILL Signal
  - Poststart Hook
  - Prestop Hook
  - Other Lifecycle Controls
- Discussion
- More Information
6. Automated Placement
- Problem
- Solution
  - Available Node Resources
  - Container Resource Demands
  - Placement Policies
  - Scheduling Process
  - Node Affinity
  - Pod Affinity and Antiaffinity
  - Taints and Tolerations
- Discussion
- More Information
II. Behavioral Patterns
7. Batch Job
- Problem
- Solution
- Discussion
- More Information
8. Periodic Job
- Problem
- Solution
- Discussion
- More Information
9. Daemon Service
- Problem
- Solution
- Discussion
- More Information
10. Singleton Service
- Problem
- Solution
  - Out-of-Application Locking
  - In-Application Locking
  - Pod Disruption Budget
- Discussion
- More Information
11. Stateful Service
- Problem
  - Storage
  - Networking
  - Identity
  - Ordinality
  - Other Requirements
- Solution
  - Storage
  - Networking
  - Identity
  - Ordinality
  - Other Features
- Discussion
- More information
12. Service Discovery
- Problem
- Solution
  - Internal Service Discovery
  - Manual Service Discovery
  - Service Discovery from Outside the Cluster
  - Application Layer Service Discovery
- Discussion
- More Information
13. Self Awareness
- Problem
- Solution
- Discussion
- More Information
III. Structural Patterns
14. Init Container
- Problem
- Solution
- Discussion
- More Information
15. Sidecar
- Problem
- Solution
- Discussion
- More Information
16. Adapter
- Problem
- Solution
- Discussion
- More Information
17. Ambassador
- Problem
- Solution
- Discussion
- More Information
IV. Configuration Patterns
18. EnvVar Configuration
- Problem
- Solution
- Discussion
- More Information
19. Configuration Resource
- Problem
- Solution
- Discussion
- More Information
20. Immutable Configuration
- Problem
- Solution
  - Docker Volumes
  - Kubernetes Init Containers
  - OpenShift Templates
- Discussion
- More Information
21. Configuration Template
- Problem
- Solution
- Discussion
- More Information
V. Advanced Patterns
22. Controller
- Problem
- Solution
- Discussion
- More Information
23. Operator
- Problem
- Solution
  - Custom Resource Definitions
  - Controller and Operator Classification
  - Operator Development and Deployment
    - Operator framework
    - Kubebuilder
    - Metacontroller
  - Example
- Discussion
- More Information
24. Elastic Scale
- Problem
- Solution
  - Manual Horizontal Scaling
    - Imperative scaling
    - Declarative scaling
  - Horizontal Pod Autoscaling
  - Vertical Pod Autoscaling
  - Cluster Autoscaling
  - Scaling Levels
    - Application Tuning
    - Vertical Pod Autoscaling
    - Horizontal Pod Autoscaling
    - Cluster Autoscaling
- Discussion
- More Information
25. Image Builder
- Problem
- Solution
  - OpenShift Build
    - Source-to-Image
    - Docker builds
    - Chained builds
  - Knative Build
    - Simple build
    - Build templates
- Discussion
- More Information
Afterword
- Ubiquitous Platform
- Hybrid Responsibilities
- What We Covered
- Final Words
Index