Introduction

What is Kruise Rollouts?

Kruise Rollouts is a Bypass component that offers Advanced Progressive Delivery Features. Its support for canary, multi-batch, and A/B testing delivery modes can be helpful in achieving smooth and controlled rollouts of changes to your application, while its compatibility with Gateway API and various Ingress implementations makes it easier to integrate with your existing infrastructure. Overall, Kruise Rollouts is a valuable tool for Kubernetes users looking to optimize their deployment processes!

Key Features

• Rich release strategies

  • Multi-batch update strategy for Deployment, CloneSet, StatefulSet, Advanced StatefulSet, Advanced DaemonSet.
  • Canary update strategy for Deployment.

• Rich traffic routing management strategies

  • Traffic fine-grained, weighted traffic shifting when updating workloads.
  • Traffic A/B Testing, traffic shifting based on HTTP Header&Cookie.
  • End-to-End canary deployment

• Rich Traffic Protocol Supports

  • Ingress controller integration: NGINX, ALB, Higress.
  • Service Mesh integration via GatewayAPI.
  • Pluggable Lua scripts for easily extending to other Kubernetes traffic protocols (even CRD).

Demo Show

There is a demo of multi-batch update strategy for Deployment.

Kruise Rollouts vs. Other Components

Kruise Rollouts vs. Argo Rollout and Flux Flagger.

Component	Kruise Rollouts	Argo Rollouts	Flux Flagger
Core Concept	Enhance your existing workloads	Replace your workloads	manage your workloads
Architecture	Bypass	A new workload type	Bypass
Plug and Play, Hot-Swapping	Yes	No	No
Release Type	Multi-Batch, Canary, A/B Testing, End-to-End Canary	Multi-Batch, Canary, Blue-Green, A/B Testing	Canary, Blue-Green, A/B Testing
Workload Type	Deployment,StatefulSet,CloneSet,Advanced StatefulSet,Advanced DaemonSet	Agro-Rollout	Deployment. DaemonSet
Traffic Type	Ingress, GatewayAPI, CRD (Need Lua Script)	Ingress, GatewayAPI, APISIX, Traefik, SMI and more	Ingress, GatewayAPI, APISIX, Traefik, SMI and more
Migration Costs	No need migrate your workloads and pods	Must migrate your workloads and pods	Must migrate your pods
HPA compatible	Yes	Yes	No

What's Next

Here are some recommended next steps:

• Install Kruise Rollout.