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KubeVirt - Run Virtual Machines on Kubernetes | Cloud-Native Virtualization
KubeVirt is a virtual machine management add-on for Kubernetes. It provides a unified platform to manage both containerized workloads and traditional virtual machines within your Kubernetes clusters, leveraging standard Kubernetes resources.
Go
Added on 2025年6月28日6,160
Stars1,469
ForksGo
LanguageProject Introduction
Summary
KubeVirt is an open-source project that provides a method for running virtual machines inside Kubernetes. By extending Kubernetes with new custom resources and controllers, it allows users to manage VMs alongside containers using the same kubectl commands and workflows.
Problem Solved
Traditionally, managing virtual machines and containerized applications required separate platforms and tools. KubeVirt solves this by bringing VM workloads directly into the Kubernetes ecosystem, allowing organizations to consolidate their compute infrastructure and management planes.
Core Features
VM as a Native Kubernetes Resource
Introduces VirtualMachine and VirtualMachineInstance custom resources (CRDs) to define VMs using standard Kubernetes YAML.
Live Migration
Enables migration of running virtual machine instances between cluster nodes with minimal downtime.
Seamless Integration with Kubernetes Infrastructure
Integrates with standard Kubernetes networking and storage solutions (e.g., Persistent Volumes, Service meshes) for VMs.
Tech Stack
Go
Kubernetes
QEMU/KVM
libvirt
etcd
Use Cases
KubeVirt enables several key scenarios by bringing VM capabilities to Kubernetes:
Lift-and-Shift Existing VMs
Details
Migrate existing virtual machine-based applications to a Kubernetes environment without significant re-architecting, leveraging Kubernetes' orchestration capabilities.
User Value
Faster migration to cloud-native platforms; continue running legacy applications alongside modern services.
Consistent Dev/Test Environments
Details
Run development and testing environments that require specific OS or kernel versions in VMs, managed directly within the Kubernetes cluster.
User Value
Streamline CI/CD pipelines by managing all application components, VM or container, in one place.
Managing Hybrid Container/VM Workloads
Details
Manage hybrid applications that consist of tightly coupled containerized microservices and traditional VM components (e.g., databases, legacy services).
User Value
Simplify the deployment, scaling, and networking of complex applications using unified tooling.
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