一旦我们重启应用，Sentinel规则将消失，生产环境需要将配置规则进行持久化
将限流配置规则持久化进Nacos保存，只要刷新8401某个rest地址，sentinel控制台的流控规则就能看到，只要Nacos里面的配置不删除，针对8401上Sentinel上的流控规则持续有效
- 修改cloudalibaba-sentinel-service8401
- pom.xml
<dependency>
<groupId>com.alibaba.csp</groupId>
<artifactId>sentinel-datasource-nacos</artifactId>
</dependency>
- yml
server:
port: 8401
spring:
application:
name: cloudalibaba-sentinel-service
cloud:
nacos:
discovery:
server-addr: localhost:8848
sentinel:
transport:
dashboard: localhost:8080
port: 8719 #默认8719，假如被占用了会自动从8719开始依次+1扫描。直至找到未被占用的端口
datasource:
ds1:
nacos:
server-addr: localhost:8848
dataId: cloudalibaba-sentinel-service
groupId: DEFAULT_GROUP
data-type: json
rule-type: flow
management:
endpoints:
web:
exposure:
include: '*'
-
添加Nacos规则
[
{
"resource":"/rateLimit/byUrl",
"limitApp":"default",
"grade":1,
"count":1,
"strategy":0,
"controlBehavior":0,
"clusterMode":false
}
]
resource: 资源名称
limitApp: 来源应用
grade: 阈值类型,0表示线程,1表示QPS
count: 单机阈值
strategy: 流控模式,0表示直接,1表示关联,2表示链路
controlBehavior: 流控效果,0表示快速失败,1表示Warm Up,2表示排队等待
clusterMode: 是否集群
