Kubernetes Patterns: Reusable Elements for Designing Cloud Native Applications

Cover
Copyright
Table of Contents
Foreword
Preface
	Kubernetes
	Design Patterns
	How This Book Is Structured
	Who This Book Is For
	What You Will Learn
	What’s New in the Second Edition
	Conventions Used in This Book
	Using Code Examples
	O’Reilly Online Learning
	How to Contact Us
	Acknowledgments
Chapter 1. Introduction
	The Path to Cloud Native
	Distributed Primitives
		Containers
		Pods
		Services
		Labels
		Namespaces
	Discussion
	More Information
Part I. Foundational Patterns
	Chapter 2. Predictable Demands
		Problem
		Solution
			Runtime Dependencies
			Resource Profiles
			Pod Priority
			Project Resources
			Capacity Planning
		Discussion
		More Information
	Chapter 3. Declarative Deployment
		Problem
		Solution
			Rolling Deployment
			Fixed Deployment
			Blue-Green Release
			Canary Release
		Discussion
		More Information
	Chapter 4. Health Probe
		Problem
		Solution
			Process Health Checks
			Liveness Probes
			Readiness Probes
			Startup Probes
		Discussion
		More Information
	Chapter 5. Managed Lifecycle
		Problem
		Solution
			SIGTERM Signal
			SIGKILL Signal
			PostStart Hook
			PreStop Hook
			Other Lifecycle Controls
		Discussion
		More Information
	Chapter 6. Automated Placement
		Problem
		Solution
			Available Node Resources
			Container Resource Demands
			Scheduler Configurations
			Scheduling Process
			Node Affinity
			Pod Affinity and Anti-Affinity
			Topology Spread Constraints
			Taints and Tolerations
		Discussion
		More Information
Part II. Behavioral Patterns
	Chapter 7. Batch Job
		Problem
		Solution
		Discussion
		More Information
	Chapter 8. Periodic Job
		Problem
		Solution
		Discussion
		More Information
	Chapter 9. Daemon Service
		Problem
		Solution
		Discussion
		More Information
	Chapter 10. Singleton Service
		Problem
		Solution
			Out-of-Application Locking
			In-Application Locking
			Pod Disruption Budget
		Discussion
		More Information
	Chapter 11. Stateless Service
		Problem
		Solution
			Instances
			Networking
			Storage
		Discussion
		More Information
	Chapter 12. Stateful Service
		Problem
			Storage
			Networking
			Identity
			Ordinality
			Other Requirements
		Solution
			Storage
			Networking
			Identity
			Ordinality
			Other Features
		Discussion
		More Information
	Chapter 13. Service Discovery
		Problem
		Solution
			Internal Service Discovery
			Manual Service Discovery
			Service Discovery from Outside the Cluster
			Application Layer Service Discovery
		Discussion
		More Information
	Chapter 14. Self Awareness
		Problem
		Solution
		Discussion
		More Information
Part III. Structural Patterns
	Chapter 15. Init Container
		Problem
		Solution
		Discussion
		More Information
	Chapter 16. Sidecar
		Problem
		Solution
		Discussion
		More Information
	Chapter 17. Adapter
		Problem
		Solution
		Discussion
		More Information
	Chapter 18. Ambassador
		Problem
		Solution
		Discussion
		More Information
Part IV. Configuration Patterns
	Chapter 19. EnvVar Configuration
		Problem
		Solution
		Discussion
		More Information
	Chapter 20. Configuration Resource
		Problem
		Solution
		Discussion
		More Information
	Chapter 21. Immutable Configuration
		Problem
		Solution
			Docker Volumes
			Kubernetes Init Containers
			OpenShift Templates
		Discussion
		More Information
	Chapter 22. Configuration Template
		Problem
		Solution
		Discussion
		More Information
Part V. Security Patterns
	Chapter 23. Process Containment
		Problem
		Solution
			Running Containers with a Non-Root User
			Restricting Container Capabilities
			Avoiding a Mutable Container Filesystem
			Enforcing Security Policies
		Discussion
		More Information
	Chapter 24. Network Segmentation
		Problem
		Solution
			Network Policies
			Authorization Policies
		Discussion
		More Information
	Chapter 25. Secure Configuration
		Problem
		Solution
			Out-of-Cluster Encryption
			Centralized Secret Management
		Discussion
		More Information
	Chapter 26. Access Control
		Problem
		Solution
			Authentication
			Authorization
			Admission Controllers
			Subject
			Role-Based Access Control
		Discussion
		More Information
Part VI. Advanced Patterns
	Chapter 27. Controller
		Problem
		Solution
		Discussion
		More Information
	Chapter 28. Operator
		Problem
		Solution
			Custom Resource Definitions
			Controller and Operator Classification
			Operator Development and Deployment
			Example
		Discussion
		More Information
	Chapter 29. Elastic Scale
		Problem
		Solution
			Manual Horizontal Scaling
			Horizontal Pod Autoscaling
			Vertical Pod Autoscaling
			Cluster Autoscaling
			Scaling Levels
		Discussion
		More Information
	Chapter 30. Image Builder
		Problem
		Solution
			Container Image Builder
			Build Orchestrators
			Build Pod
			OpenShift Build
		Discussion
		More Information
Afterword
	What We Covered
	Final Words
Index
About the Authors
Colophon