You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
68 lines
2.3 KiB
68 lines
2.3 KiB
# Polaris RateLimit Example
|
|
|
|
## Project Explanation
|
|
|
|
This project shows how to use ratelimit feature of Polaris to complete Spring Cloud application's rate limit
|
|
|
|
[Polaris](https://github.com/polarismesh): Polaris is Tencent open source cloud-native's operation centre and component, provide multi dimensional rate limit service and reliability of application firewall
|
|
|
|
## Example
|
|
|
|
### How to access
|
|
|
|
Before showcasing the project, let's get to know how to access Polaris rate limit component
|
|
|
|
> ** note: this chapter is to help you understand different ways to access, the codes in the example has been executed, you don't need to re-edit.**
|
|
|
|
1, first, change document `pom.xml`, introduce Polaris ratelimit starter
|
|
|
|
```xml
|
|
<dependency>
|
|
<groupId>com.tencent.cloud</groupId>
|
|
<artifactId>spring-cloud-starter-tencent-polaris-ratelimit</artifactId>
|
|
</dependency>
|
|
```
|
|
|
|
2. Launch Application
|
|
|
|
Examples provided by Polaris all support to run at IDE, or compile and run with orders
|
|
|
|
- Launch Polaris locally
|
|
|
|
- at Polaris end, through control panel, under namespace Product, add RateLimitCalleeService
|
|
|
|
- Launch callee server:
|
|
|
|
1. Launch IDE directly: First find `RateLimitCalleeService`, execute main then launch application
|
|
2. compile package then launch: first execute `mvn clean package` compile the package, then execute `java -jar ratelimit-callee-sevice-${verion}.jar` execute the application
|
|
|
|
- After launching, one can watch server instance from Polaris control panel
|
|
|
|
3. Invoke Service
|
|
|
|
After visiting http://127.0.0.1:48081/business/invoke, one can see the following information:
|
|
|
|
````
|
|
hello world for ratelimit service 1
|
|
hello world for ratelimit service 2
|
|
hello world for ratelimit service 3
|
|
...
|
|
````
|
|
|
|
4. Configuration rate limit and verification
|
|
Polaris provide three wats to conduct rate limit configuration (control panel, HTTP port and local files)
|
|
|
|
this example is HTTP configuration. One can figure with the following steps:
|
|
|
|
````
|
|
curl -X POST -H "Content-Type:application/json" 127.0.0.1:8090/naming/v1/ratelimits -d @rule.json
|
|
````
|
|
|
|
5. Verify rate limit result
|
|
continue visit http://127.0.0.1:48081/business/invoke, one can see, after 10 invokes, rate limit will start:
|
|
|
|
````
|
|
hello world for ratelimit service 1
|
|
hello world for ratelimit service 2
|
|
|
|
```` |