destinationrule-demoapp.yaml
apiVersion: networking.istio.io/v1beta1
kind: DestinationRule
metadata:
name: demoapp
spec:
host: demoapp
trafficPolicy:
loadBalancer:
simple: LEAST_CONN
subsets:
- name: v10
labels:
version: v1.0
trafficPolicy:
loadBalancer:
consistentHash:
httpHeaderName: X-User
- name: v11
labels:
version: v1.1virutalservice-demoapp.yaml
apiVersion: networking.istio.io/v1beta1
kind: VirtualService
metadata:
name: demoapp
spec:
hosts:
- demoapp
http:
- name: canary
match:
- uri:
prefix: /canary
rewrite:
uri: /
route:
- destination:
host: demoapp
subset: v11
- name: default
route:
- destination:
host: demoapp
subset: v10更新demoapp dr
# kubectl apply -f destinationrule-demoapp.yaml -f virutalservice-demoapp.yaml
destinationrule.networking.istio.io/demoapp configured
virtualservice.networking.istio.io/demoapp configured访问demoapp
访问v10子集
root@client # curl demoapp:8080
iKubernetes demoapp v1.0 !! ClientIP: 127.0.0.6, ServerName: demoappv10-78b6586d58-hq957, ServerIP: 172.20.44.206!
root@client # curl demoapp:8080
iKubernetes demoapp v1.0 !! ClientIP: 127.0.0.6, ServerName: demoappv10-78b6586d58-kdv4m, ServerIP: 172.20.154.195!root@client # curl -H "x-user: user2" demoapp:8080
iKubernetes demoapp v1.0 !! ClientIP: 127.0.0.6, ServerName: demoappv10-78b6586d58-kdv4m, ServerIP: 172.20.154.195!root@client # curl -H "x-user: user3" demoapp:8080
iKubernetes demoapp v1.0 !! ClientIP: 127.0.0.6, ServerName: demoappv10-78b6586d58-hq957, ServerIP: 172.20.44.206!访问v11子集
root@client # curl demoapp:8080/canary
iKubernetes demoapp v1.1 !! ClientIP: 127.0.0.6, ServerName: demoappv11-78bf898c74-sn9qp, ServerIP: 172.20.154.253!
root@client # curl demoapp:8080/canary
iKubernetes demoapp v1.1 !! ClientIP: 127.0.0.6, ServerName: demoappv11-78bf898c74-sn9qp, ServerIP: 172.20.154.253!
root@client # curl demoapp:8080/canary
iKubernetes demoapp v1.1 !! ClientIP: 127.0.0.6, ServerName: demoappv11-78bf898c74-sn9qp, ServerIP: 172.20.154.253!
root@client # curl demoapp:8080/canary
iKubernetes demoapp v1.1 !! ClientIP: 127.0.0.6, ServerName: demoappv11-78bf898c74-hckjf, ServerIP: 172.20.89.189!参考文档
https://istio.io/latest/zh/docs/reference/config/networking/destination-rule/#LoadBalancerSettings
标签：负载,172.20,ServerName,istio,ServerIP,0.6,demoapp,root From： https://www.cnblogs.com/wangguishe/p/16829564.html