14.3. DestinationRule_Dubbo 教程

14.3. DestinationRule

目标地址规则

DestinationRule用来处理目标地址的规则，与DestinationRule相关的ServiceEntry, WorkloadEntry等定义与开源保持一致

apiVersion: service.dubbo.apache.org/v1alpha1
kind: DestinationRule
metadata:
  name: demo-route
spec:
  host: demo
  subsets:
  trafficPolicy:

Field	Type	Description	Required
name	string	规则的名字，方便识别规则用意	YES
host	string	注册中心里面对应的key值，现在是接口名	YES
trafficPolicy	TrafficPolicy	流量策略	NO
subsets	Subset[]	服务的单一版本或多版本的命名	YES

Subset

Subset应用服务的命名，可以是单个也可以是多个版本

apiVersion: service.dubbo.apache.org/v1alpha1
kind: DestinationRule
metadata:
  name: demo-route
spec:
  subsets: #Subnet[]
  - name:
    labels:

Field	Type	Description	Required
name	string	服务版本名称	YES
labels	map<string, string>	打在服务身上的标签	YES

TrafficPolicy

TrafficPolicy表示负载均衡策略

apiVersion: service.dubbo.apache.org/v1alpha1
kind: DestinationRule
metadata:
  name: demo-route
spec:
  trafficPolicy: #TrafficPolicy
    loadBalancer:

Field	Type	Description	Required
loadBalancer	LoadBalancerSettings	负载均衡设置	YES

LoadBalancerSettings

LoadBalancerSettings用来表示负载均衡相关的配置

apiVersion: service.dubbo.apache.org/v1alpha1
kind: DestinationRule
metadata:
  name: demo-route
spec:
  trafficPolicy: 
    loadBalancer: #LoadBalancerSettings
      simple:
      consistentHash:

Field	Type	Description	Required
simple	string	负载均衡策略，其中包括：`ROUND_ROBIN`, `LEAST_CONN`, `RANDOM`, `PASSTHROUGH`	YES
consistentHash	ConsistentHashLB	一致性Hash策略(未实现) NO
NO

作品《Dubbo 教程 - 14.3. DestinationRule》由江南路人发布于匠果，转载请注明出处及链接地址： http://www.jiangguo.net/c/e94/mdl.html