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Crossplane: The Cloud Native Control Plane
Crossplane is an open source Kubernetes add-on that transforms your Kubernetes cluster into a universal control plane. It allows you to manage your infrastructure, applications, and data services declaratively using the Kubernetes API.
Go
Added on 2025年7月6日10,475
Stars1,041
ForksGo
LanguageProject Introduction
Summary
Crossplane is a control plane framework for building cloud native control planes. It extends Kubernetes to manage any infrastructure or cloud service using the Kubernetes API, enabling a declarative and GitOps-friendly approach.
Problem Solved
Existing infrastructure management often involves disparate tools and APIs (CLIs, vendor APIs, Terraform, Helm), leading to operational complexity, inconsistency, and vendor lock-in. Crossplane centralizes and standardizes infrastructure management via the Kubernetes API.
Core Features
Kubernetes API Extension
Extends the Kubernetes API to manage external infrastructure and services as native Kubernetes objects using Custom Resource Definitions (CRDs).
Infrastructure Composition
Allows users to compose multiple low-level managed resources into higher-level, opinionated abstractions (Compositions) for developers.
Extensible Provider Framework
A framework for building and installing Providers that integrate Crossplane with any external API (cloud providers, SaaS, databases, etc.).
Tech Stack
Go
Kubernetes API
CRDs
Controllers
Providers
使用场景
Crossplane is used in various scenarios where declarative and consistent infrastructure management is required, especially within a Kubernetes ecosystem.
Scenario 1: Declarative Infrastructure Provisioning
Details
Manage cloud databases (RDS, Azure SQL), message queues (SQS, Kafka), buckets (S3, GCS), and other infrastructure directly from Kubernetes manifests.
User Value
Achieve consistent, version-controlled infrastructure deployments aligned with application deployments.
Scenario 2: Building Self-Service Platforms
Details
Create higher-level APIs (e.g., a 'Developer Database' abstraction) that provision and configure multiple underlying resources based on simple inputs from developers.
User Value
Empower developers to provision their own required services without needing deep knowledge of the underlying infrastructure.
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