Reference

This section of the Kubernetes documentation contains references.

API Reference

• Glossary - a comprehensive, standardized list of Kubernetes terminology

• Kubernetes API Reference

• One-page API Reference for Kubernetes v1.20

• Using The Kubernetes API - overview of the API for Kubernetes.

• API access control - details on how Kubernetes controls API access

• Well-Known Labels, Annotations and Taints

Officially supported client libraries

To call the Kubernetes API from a programming language, you can use client libraries. Officially supported client libraries:

• Kubernetes Go client library
• Kubernetes Python client library
• Kubernetes Java client library
• Kubernetes JavaScript client library
• Kubernetes Dotnet client library
• Kubernetes Haskell Client library

CLI

• kubectl - Main CLI tool for running commands and managing Kubernetes clusters.
  • JSONPath - Syntax guide for using JSONPath expressions with kubectl.
• kubeadm - CLI tool to easily provision a secure Kubernetes cluster.

Components

• kubelet - The primary node agent that runs on each node. The kubelet takes a set of PodSpecs and ensures that the described containers are running and healthy.
• kube-apiserver - REST API that validates and configures data for API objects such as pods, services, replication controllers.
• kube-controller-manager - Daemon that embeds the core control loops shipped with Kubernetes.
• kube-proxy - Can do simple TCP/UDP stream forwarding or round-robin TCP/UDP forwarding across a set of back-ends.
• kube-scheduler - Scheduler that manages availability, performance, and capacity.

Scheduling

• Scheduler Policies
• Scheduler Profiles

Design Docs

An archive of the design docs for Kubernetes functionality. Good starting points are Kubernetes Architecture and Kubernetes Design Overview.