DestinationRule
目标地址规则
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 (Subset)
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 (TrafficPolicy)
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 (LoadBalancerSettings)
Field | Type | Description | Required |
---|---|---|---|
loadBalancer | LoadBalancerSettings | 负载均衡设置 | YES |
Field | Type | Description | Required |
---|---|---|---|
simple | string | 负载均衡策略 ROUND_ROBIN , LEAST_CONN , RANDOM | PASSTHROUGH |
consistentHash | ConsistentHashLB | 一致性Hash策略(未实现) | NO |
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:
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最后修改 January 19, 2023: Update destination-rule.md (#1886) (38e4bb31a)