Argo Rollouts 灰度发布与步骤控制实战

apiVersion: argoproj.io/v1alpha1
kind: Rollout
metadata:
  name: web
spec:
  replicas: 4
  selector:
    matchLabels:
      app: web
  strategy:
    canary:
      steps:
        - setWeight: 25
        - pause: { duration: 300 }
        - setWeight: 50
        - pause: { duration: 300 }
        - setWeight: 100
  template:
    metadata:
      labels:
        app: web
    spec:
      containers:
        - name: web
          image: example/web:latest

验证

• 通过 kubectl argo rollouts get rollout web 观察步骤与权重推进

总结

分步权重与暂停控制可在真实流量中逐步验证新版本，降低上线风险。