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时间:2025/7/16 2:24:31来源：https://blog.csdn.net/xiaofengkang/article/details/147037732 浏览次数:0次

istio实现灰度发布

上传镜像到harbor
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创建两个版本的pod

vi deployment-v1.yaml
apiVersion: apps/v1
kind: Deployment
metadata:name: appv1labels:app: v1
spec:replicas: 1selector:matchLabels:app: v1apply: canarytemplate:metadata:labels:app: v1apply: canaryspec:containers:- name: nginximage: 172.16.80.140/istio/canary:v1ports:- containerPort: 80vi deployment-v2.yaml
kind: Deployment
metadata:name: appv2labels:app: v2
spec:replicas: 1selector:matchLabels:app: v2apply: canarytemplate:metadata:labels:app: v2apply: canaryspec:containers:- name: nginximage: 172.16.80.140/istio/canary:v2ports:- containerPort: 80

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创建service代理

vi service.yaml 
apiVersion: v1
kind: Service
metadata:name: canarylabels:apply: canary
spec:selector:apply: canaryports:- protocol: TCPport: 80targetPort: 80

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创建网关

vi gateway.yaml 
apiVersion: networking.istio.io/v1beta1
kind: Gateway
metadata:name: canary-gateway
spec:selector:istio: ingressgatewayservers:- port:number: 80name: httpprotocol: HTTPhosts:- "*"

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创建虚拟网关

[root@mast01 test]# more virtual.yaml 
apiVersion: networking.istio.io/v1beta1
kind: VirtualService
metadata:name: canary
spec:hosts:- "*"gateways:- canary-gatewayhttp:- route:- destination:host: canary.default.svc.cluster.localsubset: v1weight: 90- destination:host: canary.default.svc.cluster.localsubset: v2weight: 10

创建目标规则

vi destination.yaml 
apiVersion: networking.istio.io/v1beta1
kind: DestinationRule
metadata:name: canary
spec:host: canary.default.svc.cluster.localsubsets:- name: v1labels:app: v1- name: v2labels:app: v2

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