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VirtualService
是用来处理入站流量的规则,也就是说用来描述哪些入站流量适用于该路由规则。
apiVersion: service.dubbo.apache.org/v1alpha1
kind: VirtualService
metadata:
name: demo/StandardRouter
spec:
hosts:
dubbo:
Field | Type | Description | Required |
---|---|---|---|
name | string | 应以 应用名/Router类型 的方式来命名。name 属性一经定义Router类型就确定下来了 | YES |
hosts | string[] | 一般指应用名 | NO |
dubbo | DubboRoute[] | dubbo 路由规则,顺序执行,符合条件立即返回 | NO |
name | Description |
---|---|
StandardRouter | 完全使用标准 VirtualService 描述的 Router |
待补充 | 待补充 |
DubboRoute
是VirtualService
中的属性,用来描述路由策略的边界。
apiVersion: service.dubbo.apache.org/v1alpha1
kind: VirtualService
metadata:
name: demo/StandardRouter
spec:
hosts:
dubbo: #DubboRoute
- name:
service:
fault:
mirror:
retries:
timeout:
routedetail:
Field | Type | Description | Required |
---|---|---|---|
name | string | 规则的名字,方便识别规则用意 | NO |
services | StringMatch[] | 规则生效的服务名列表,可使用具体的服务名,也可以使用正则 * 的方式进行匹配;默认不配置,则代表所有的服务都生效 | |
fault | dubboFaultInject[] | 故障注入(未实现) | NO |
mirror | Destination | 镜像流量(未实现) | NO |
retries | DubboRetry[] | 重试相关(未实现) | NO |
timeout | DubboTimeout[] | 超时相关(未实现) | NO |
routedetail | DubboRouteDetail[] | 具体的流量规则,顺序执行,符合条件立即返回 | YES |
DubboRouteDetail
用来描述详细的路由规则
apiVersion: service.dubbo.apache.org/v1alpha1
kind: VirtualService
metadata:
name: demo/StandardRouter
spec:
hosts:
dubbo:
- routedetail: #DubboRouteDetail
- name:
match:
route:
mirror:
retries:
timeout:
Field | Type | Description | Required |
---|---|---|---|
name | string | 规则详情的名字,方便识别规则用意 | NO |
match | DubboMatchRequest[] | 匹配条件 | YES |
route | DubboRouteDestination[] | 符合条件的流量的实际目标地址 | YES |
mirror | Destination | 镜像流量(未实现) | NO |
retries | DubboRetry[] | 重试相关(未实现) | NO |
timeout | DubboTimeout[] | 超时相关(未实现) | NO |
DubboMatchRequest
用来描述请求的匹配规则
apiVersion: service.dubbo.apache.org/v1alpha1
kind: VirtualService
metadata:
name: demo/StandardRouter
spec:
hosts:
dubbo:
- routedetail:
- match: #DubboMatchRequest
- name:
method:
sourceLabels:
attachments:
headers:
threshold:
Field | Type | Description | Required |
---|---|---|---|
name | string | 匹配规则名称 | YES |
method | DubboMethodMatch | 方法相关的匹配 | YES |
sourceLabels | map<string, string> | 调用端打的相关 lables, 包含应用名、机器分组、机器环境变量信息等; 对于 HSF-JAVA 来说,可以从上报的 URL 拿到对应的 key/value | YES |
attachments | DubboAttachmentMatch | 请求附带的其他信息,比如 HSF 请求上下文、Eagleeye 上下文等 | NO |
headers | map<string, StringMatch> | 通用的请求协议字段等,如接口名、方法名、超时等 | NO |
threshold | DoubleMatch | 调用的 subset 列表的机器,占整个 host 的阀值 | NO |
由于 headers 、attachemes 、method 之间可能存在字段一样重复的情况,TODO 进一步细化
DubboMethodMatch
是用来实现方法的匹配
apiVersion: service.dubbo.apache.org/v1alpha1
kind: VirtualService
metadata:
name: demo/StandardRouter
spec:
hosts:
dubbo:
- routedetail:
- match:
- method: #DubboMethodRequest
- name_match:
argc:
args:
argp:
headers:
Field | Type | Description | Required |
---|---|---|---|
name_match | StringMatch | 匹配请求中的调用方法名 | YES |
argc | int | 匹配请求的参数个数 | NO |
args | DubboMethodArg[] | 为 DubboMethodArg 类型的数组,表示每个参数值需要满足的条件 | NO |
argp | StringMatch[] | 匹配请求的参数类型 | NO |
headers | map<string, StringMatch> | 预留 | NO |
DubboMethodArg
用来实现方法参数的匹配
apiVersion: service.dubbo.apache.org/v1alpha1
kind: VirtualService
metadata:
name: demo/StandardRouter
spec:
hosts:
dubbo:
- routedetail:
- match:
- method:
- args: #DubboMethodArg
- index:
str_value:
type:
num_value:
bool_value:
reserve:
Field | Type | Description | Required |
---|---|---|---|
index | uint32 | 匹配参数的位置,index字段从1开始(即第$index个参数) | YES |
type | string | 匹配参数的类型,以java的 string 类型为例,该字段取值 java.lang.String,该字段默认为 java.lang.String | YES |
str_value | ListStringMatch | 匹配参数的值,根据$type进行解析 ListStringMatcher:匹配 java.lang.String) | NO |
num_value | ListDoubleMatch | 数值类型匹配 | NO |
bool_value | BoolMatch | bool 值类型匹配 | NO |
reserve | reserve | 复杂类型的匹配,暂时不定义 | NO |
DubboAttachmentMatch
用来对任意对象的完全匹配
apiVersion: service.dubbo.apache.org/v1alpha1
kind: VirtualService
metadata:
name: demo/StandardRouter
spec:
hosts:
dubbo:
- routedetail:
- match:
- attachments: #DubboAttachmentMatch
eagleeyecontext:
dubbocontext:
Field | Type | Description | Required |
---|---|---|---|
eagleeyecontext | map<string, StringMatch> | 鹰眼上下文 | NO |
dubbocontext | map<string, StringMatch> | Dubbo 请求上下文 | NO |
ListStringMatch
是一组StringMatch
集合,任何一个 StringMatch
匹配则匹配
apiVersion: service.dubbo.apache.org/v1alpha1
kind: VirtualService
metadata:
name: demo/StandardRouter
spec:
hosts:
dubbo:
- routedetail:
- match:
- method:
- args:
- index: 1
str_value: #ListStringMatch
oneof:
- regex: "*abc*"
- exact: parameter-1
Field | Type | Description | Required |
---|---|---|---|
oneof | StringMatch[] | 任何一个StringMatch 匹配则匹配 | NO |
StringMatch
用来描述字符串匹配规则
apiVersion: service.dubbo.apache.org/v1alpha1
kind: VirtualService
metadata:
name: demo/StandardRouter
spec:
hosts:
dubbo:
- service: #StringMatch
- exact: org.apache.dubbo.demoService:1.0.0
- prefix: org.apache.dubbo.hello
- regex: org.apache.dubbo.*Service:2.0.0
Field | Type | Description | Required |
---|---|---|---|
exact | string (oneof) | 完全匹配 | NO |
prefix | string (oneof) | 前缀匹配 | NO |
regex | string (oneof) | 正则匹配 | NO |
noempty | string (oneof) | 非空字符匹配 | NO |
empty | string (oneof) | 空字符匹配 | NO |
ListDoubleMatch
是一组DoubleMatch
集合,任何一个 DoubleMatch
匹配则匹配参数
apiVersion: service.dubbo.apache.org/v1alpha1
kind: VirtualService
metadata:
name: demo/StandardRouter
spec:
hosts:
dubbo:
- routedetail:
- match:
- method:
- args:
- index: 1
type: java.lang.Double
num_value: #ListDoubleMatch
oneof:
- range:
start: 1
end: 100
Field | Type | Description | Required |
---|---|---|---|
oneof | DoubleMatch[] | 任何一个DoubleMatch 匹配则匹配 | NO |
DoubleMatch
用于匹配 int
, long
, double
类型的数值
apiVersion: service.dubbo.apache.org/v1alpha1
kind: VirtualService
metadata:
name: demo/StandardRouter
spec:
hosts:
dubbo:
- routedetail:
- match:
- method:
- args:
- index: 1
type: java.lang.Double
num_value:
oneof: #DoubleMatch[]
- range:
start: 1
end: 100
#假设当前输入的Double类型的参数值为x,
#则下面表达式的意思是:x%mode=exact,
#即当x%10=6才匹配
- exact: 6
mode: 10
Field | Type | Description | Required |
---|---|---|---|
exact | double(oneof) | 数值完全匹配 | NO |
range | DoubleRangeMatch(oneof) | 数值范围匹配 | NO |
mode | double | 取模操作,需要与上面两个语义一起配置使用 | NO |
DoubleRangeMatch
是对double
值的范围进行匹配
apiVersion: service.dubbo.apache.org/v1alpha1
kind: VirtualService
metadata:
name: demo/StandardRouter
spec:
hosts:
dubbo:
- routedetail:
- match:
- method:
- args:
- index: 1
type: java.lang.Double
num_value:
oneof:
- range: #DoubleRangeMatch
start: 1.2
end: 1000.5
Field | Type | Description | Required |
---|---|---|---|
start | double | 数值大于或等于 | YES |
end | double | 数值小于 | YES |
BoolMatch
用来对true
, false
的完全匹配
apiVersion: service.dubbo.apache.org/v1alpha1
kind: VirtualService
metadata:
name: demo/StandardRouter
spec:
hosts:
dubbo:
- routedetail:
- match:
- method:
- args:
- index: 1
type: java.lang.Boolean
bool_value: #BoolMatch
- exact: true
Field | Type | Description | Required |
---|---|---|---|
exact | bool(oneof) | true , false ,完全匹配 |
ObjectMatch
用来对任意对象的完全匹配
apiVersion: service.dubbo.apache.org/v1alpha1
kind: VirtualService
metadata:
name: demo/StandardRouter
spec:
hosts:
dubbo:
- routedetail:
- match:
- method:
- args:
- index: 1
type: java.lang.String
str_value:
oneof:
- regex: "*abc*"
- exact: parameter-1
Field | Type | Description | Required |
---|---|---|---|
type | string | 匹配参数的类型,以java的 string 类型为例,该字段取值 java.lang.String,该字段默认为 java.lang.String | YES |
str_value | ListStringMatch | 匹配参数的值,根据$type进行解析 ListStringMatcher:匹配 java.lang.String) | NO |
num_value | ListDoubleMatch | NO | |
bool_value | BoolMatch | NO |
DubboRouteDestination
用来描述流量到目标地址的策略
apiVersion: service.dubbo.apache.org/v1alpha1
kind: VirtualService
metadata:
name: demo/StandardRouter
spec:
hosts:
dubbo:
- routedetail:
- route: #DubboRouteDestination
destination:
weight: 50
Field | Type | Description | Required |
---|---|---|---|
destination | DubboDestination | 路由目标 Destination | YES |
weight | int | 路由权重 | NO |
DubboDestination
用来描述路由流量的目标地址
apiVersion: service.dubbo.apache.org/v1alpha1
kind: VirtualService
metadata:
name: demo/StandardRouter
spec:
hosts:
dubbo:
- routedetail:
- route: #DubboRouteDestination
destination:
host:
subnet:
port:
fallback:
Field | Type | Description | Required |
---|---|---|---|
host | string | 注册中心里面对应的key 值,现在是接口名 | YES |
subset | string | 地址列表 | YES |
port | int | 端口号 | YES |
fallback | DubboDestination | fallback到的另外一个地址列表 | NO |