DestinationRule
目标地址规则
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DestinationRule
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
- 使用示例
apiVersion: service.dubbo.apache.org/v1alpha1
kind: DestinationRule
metadata:
name: demo-route
spec:
host: demo
subsets:
trafficPolicy:
- 属性说明
| 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
- 使用示例
apiVersion: service.dubbo.apache.org/v1alpha1
kind: DestinationRule
metadata:
name: demo-route
spec:
subsets: #Subnet[]
- name:
labels:
- 属性说明
| 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
- 使用示例
apiVersion: service.dubbo.apache.org/v1alpha1
kind: DestinationRule
metadata:
name: demo-route
spec:
trafficPolicy: #TrafficPolicy
loadBalancer:
- 属性说明
| 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
- 使用示例
apiVersion: service.dubbo.apache.org/v1alpha1
kind: DestinationRule
metadata:
name: demo-route
spec:
trafficPolicy:
loadBalancer: #LoadBalancerSettings
simple:
consistentHash:
- 属性说明
| 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 |
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