Kubernetes Cookbook: Building Cloud Native Applications, 2nd Edition

Cover
Copyright
Table of Contents
Preface
	Who Should Read This Book
	Why We Wrote This Book
	Navigating This Book
	A Note on Kubernetes Releases
	Technology You Need to Understand
	Conventions Used in This Book
	Using Code Examples
	O’Reilly Online Learning
	How to Contact Us
	Acknowledgments
Chapter 1. Getting Started with Kubernetes
	1.1 Installing the Kubernetes CLI, kubectl
		Problem
		Solution
		Discussion
		See Also
	1.2 Installing Minikube to Run a Local Kubernetes Instance
		Problem
		Solution
		Discussion
		See Also
	1.3 Using Minikube Locally for Development
		Problem
		Solution
		Discussion
	1.4 Starting Your First Application on Minikube
		Problem
		Solution
		Discussion
	1.5 Using kind to Run Kubernetes Locally
		Problem
		Solution
		Discussion
		See Also
	1.6 Using Kubernetes in Docker Desktop
		Problem
		Solution
		Discussion
	1.7 Switching kubectl Contexts
		Problem
		Solution
		Discussion
	1.8 Switching Contexts and Namespaces Using kubectx and kubens
		Problem
		Solution
		See Also
Chapter 2. Creating a Kubernetes Cluster
	2.1 Preparing a New Node for a Kubernetes Cluster
		Problem
		Solution
		Discussion
	2.2 Bootstrapping a Kubernetes Control-Plane Node
		Problem
		Solution
		Discussion
		See Also
	2.3 Installing a Container Network Add-on for Cluster Networking
		Problem
		Solution
		Discussion
	2.4 Adding Worker Nodes to a Kubernetes Cluster
		Problem
		Solution
		Discussion
	2.5 Deploying the Kubernetes Dashboard
		Problem
		Solution
	2.6 Accessing the Kubernetes Dashboard
		Problem
		Solution
		Discussion
	2.7 Deploying the Kubernetes Metrics Server
		Problem
		Solution
		Discussion
		See Also
	2.8 Downloading a Kubernetes Release from GitHub
		Problem
		Solution
		Discussion
	2.9 Downloading Client and Server Binaries
		Problem
		Solution
		Discussion
	2.10 Using systemd Unit Files for Running Kubernetes Components
		Problem
		Solution
		Discussion
		See Also
	2.11 Creating a Kubernetes Cluster on Google Kubernetes Engine
		Problem
		Solution
		Discussion
		See Also
	2.12 Creating a Kubernetes Cluster on Azure Kubernetes Service
		Problem
		Solution
		See Also
	2.13 Creating a Kubernetes Cluster on Amazon  Elastic Kubernetes Service
		Problem
		Solution
		See Also
Chapter 3. Learning to Use the Kubernetes Client
	3.1 Listing Resources
		Problem
		Solution
		Discussion
	3.2 Deleting Resources
		Problem
		Solution
		Discussion
	3.3 Watching Resource Changes with kubectl
		Problem
		Solution
		Discussion
	3.4 Editing Objects with kubectl
		Problem
		Solution
		Discussion
	3.5 Asking kubectl to Explain Resources and Fields
		Problem
		Solution
		Discussion
		See Also
Chapter 4. Creating and Modifying Fundamental Workloads
	4.1 Creating a Pod Using kubectl run
		Problem
		Solution
		Discussion
	4.2 Creating a Deployment Using kubectl create
		Problem
		Solution
		Discussion
	4.3 Creating Objects from File Manifests
		Problem
		Solution
		Discussion
	4.4 Writing a Pod Manifest from Scratch
		Problem
		Solution
		Discussion
	4.5 Launching a Deployment Using a Manifest
		Problem
		Solution
		Discussion
		See Also
	4.6 Updating a Deployment
		Problem
		Solution
	4.7 Running a Batch Job
		Problem
		Solution
		Discussion
	4.8 Running a Task on a Schedule Within a Pod
		Problem
		Solution
		Discussion
		See Also
	4.9 Running Infrastructure Daemons per Node
		Problem
		Solution
		Discussion
Chapter 5. Working with Services
	5.1 Creating a Service to Expose Your Application
		Problem
		Solution
		Discussion
		See Also
	5.2 Verifying the DNS Entry of a Service
		Problem
		Solution
		Discussion
	5.3 Changing the Type of a Service
		Problem
		Solution
		Discussion
		See Also
	5.4 Deploying an Ingress Controller
		Problem
		Solution
		Discussion
		See Also
	5.5 Making Services Accessible from Outside the Cluster
		Problem
		Solution
		Discussion
		See Also
Chapter 6. Managing Application Manifests
	6.1 Installing Helm, the Kubernetes Package Manager
		Problem
		Solution
		Discussion
	6.2 Adding Chart Repositories to Helm
		Problem
		Solution
		Discussion
	6.3 Using Helm to Install Applications
		Problem
		Solution
		Discussion
	6.4 Inspecting the Customizable Parameters of a Chart
		Problem
		Solution
		Discussion
	6.5 Overriding Chart Parameters
		Problem
		Solution
		Discussion
	6.6 Getting the User-Supplied Parameters of a Helm Release
		Problem
		Solution
		Discussion
	6.7 Uninstalling Applications with Helm
		Problem
		Solution
	6.8 Creating Your Own Chart to Package Your Application with Helm
		Problem
		Solution
		Discussion
		See Also
	6.9 Installing Kompose
		Problem
		Solution
	6.10 Converting Your Docker Compose Files to Kubernetes Manifests
		Problem
		Solution
		Discussion
	6.11 Converting Your Docker Compose File to a Helm Chart
		Problem
		Solution
	6.12 Installing kapp
		Problem
		Solution
		Discussion
	6.13 Deploying YAML Manifests Using kapp
		Problem
		Solution
		Discussion
Chapter 7. Exploring the Kubernetes API and Key Metadata
	7.1 Discovering the Kubernetes API Server’s Endpoints
		Problem
		Solution
		Discussion
		See Also
	7.2 Understanding the Structure of a Kubernetes Manifest
		Problem
		Solution
		Discussion
		See Also
	7.3 Creating Namespaces to Avoid Name Collisions
		Problem
		Solution
		Discussion
	7.4 Setting Quotas Within a Namespace
		Problem
		Solution
		Discussion
		See Also
	7.5 Labeling an Object
		Problem
		Solution
		Discussion
	7.6 Using Labels for Queries
		Problem
		Solution
		Discussion
		See Also
	7.7 Annotating a Resource with One Command
		Problem
		Solution
		Discussion
Chapter 8. Volumes and Configuration Data
	8.1 Exchanging Data Between Containers via a Local Volume
		Problem
		Solution
		Discussion
		See Also
	8.2 Passing an API Access Key to a Pod Using a Secret
		Problem
		Solution
		Discussion
		See Also
	8.3 Providing Configuration Data to an Application
		Problem
		Solution
		Discussion
		See Also
	8.4 Using a Persistent Volume with Minikube
		Problem
		Solution
		Discussion
		See Also
	8.5 Understanding Data Persistency on Minikube
		Problem
		Solution
		Discussion
		See Also
	8.6 Storing Encrypted Secrets in Version Control
		Problem
		Solution
		Discussion
		See Also
Chapter 9. Scaling
	9.1 Scaling a Deployment
		Problem
		Solution
	9.2 Using Horizontal Pod Autoscaling
		Problem
		Solution
		See Also
	9.3 Automatically Resizing a Cluster in GKE
		Problem
		Solution
		Discussion
		See Also
	9.4 Automatically Resizing an Amazon EKS Cluster
		Problem
		Solution
Chapter 10. Security
	10.1 Providing a Unique Identity for an Application
		Problem
		Solution
		Discussion
		See Also
	10.2 Listing and Viewing Access Control Information
		Problem
		Solution
		Discussion
		See Also
	10.3 Controlling Access to Resources
		Problem
		Solution
		Discussion
		See Also
	10.4 Securing Pods
		Problem
		Solution
		Discussion
		See Also
Chapter 11. Monitoring and Logging
	11.1 Accessing the Logs of a Container
		Problem
		Solution
		Discussion
	11.2 Recovering from a Broken State with a Liveness Probe
		Problem
		Solution
		See Also
	11.3 Controlling Traffic Flow to a Pod Using a Readiness Probe
		Problem
		Solution
		Discussion
		See Also
	11.4 Protecting Slow-Starting Containers Using a Start-up Probe
		Problem
		Solution
		Discussion
		See Also
	11.5 Adding Liveness and Readiness Probes to Your Deployments
		Problem
		Solution
		Discussion
		See Also
	11.6 Accessing Kubernetes Metrics in the CLI
		Problem
		Solution
	11.7 Using Prometheus and Grafana on Minikube
		Problem
		Solution
		Discussion
		See Also
Chapter 12. Maintenance and Troubleshooting
	12.1 Enabling Autocomplete for kubectl
		Problem
		Solution
		Discussion
		See Also
	12.2 Removing a Pod from a Service
		Problem
		Solution
	12.3 Accessing a ClusterIP Service Outside the Cluster
		Problem
		Solution
		Discussion
	12.4 Understanding and Parsing Resource Statuses
		Problem
		Solution
		Discussion
		See Also
	12.5 Debugging Pods
		Problem
		Solution
		Discussion
		See Also
	12.6 Influencing a Pod’s Start-up Behavior
		Problem
		Solution
		Discussion
	12.7 Getting a Detailed Snapshot of the Cluster State
		Problem
		Solution
	12.8 Adding Kubernetes Worker Nodes
		Problem
		Solution
		Discussion
		See Also
	12.9 Draining Kubernetes Nodes for Maintenance
		Problem
		Solution
		Discussion
		See Also
Chapter 13. Service Meshes
	13.1 Installing the Istio Service Mesh
		Problem
		Solution
		Discussion
		See Also
	13.2 Deploying a Microservice with an Istio Sidecar
		Problem
		Solution
		Discussion
		See Also
	13.3 Routing Traffic Using an Istio Virtual Service
		Problem
		Solution
		Discussion
		See Also
	13.4 Rewriting a URL Using an Istio Virtual Service
		Problem
		Solution
		Discussion
		See Also
	13.5 Installing the Linkerd Service Mesh
		Problem
		Solution
		Discussion
		See Also
	13.6 Deploying a Service into the Linkerd Mesh
		Problem
		Solution
		Discussion
		See Also
	13.7 Routing Traffic to a Service in Linkerd
		Problem
		Solution
		Discussion
	13.8 Authorizing Traffic to the Server in Linkerd
		Problem
		Solution
		Discussion
		See Also
Chapter 14. Serverless and Event-Driven Applications
	14.1 Installing the Knative Operator
		Problem
		Solution
		Discussion
	14.2 Installing the Knative Serving Component
		Problem
		Solution
		Discussion
		See Also
	14.3 Installing the Knative CLI
		Problem
		Solution
		Discussion
	14.4 Creating a Knative Service
		Problem
		Solution
		Discussion
	14.5 Installing the Knative Eventing Component
		Problem
		Solution
		Discussion
	14.6 Deploying a Knative Eventing Source
		Problem
		Solution
		Discussion
	14.7 Enabling Knative Eventing Sources
		Problem
		Solution
		Discussion
	14.8 Installing Event Sources from TriggerMesh
		Problem
		Solution
		Discussion
		See Also
Chapter 15. Extending Kubernetes
	15.1 Compiling from Source
		Problem
		Solution
		See Also
	15.2 Compiling a Specific Component
		Problem
		Solution
	15.3 Using a Python Client to Interact with the Kubernetes API
		Problem
		Solution
		Discussion
		See Also
	15.4 Extending the API Using Custom Resource Definitions
		Problem
		Solution
		Discussion
		See Also
Appendix A. Resources
	General
	Tutorials and Examples
Index
About the Authors