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67 lines
2.8 KiB
67 lines
2.8 KiB
# Spring Cloud Polaris Circuitbreaker example
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## Example Introduction
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This example shows how to use```spring-cloud-starter-tencent-polaris-circuitbreaker```in Spring Cloud project for its features.
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This example contains callee-service```polaris-circuitbreaker-callee-service```、```polaris-circuitbreaker-callee-service2```and caller-service```polaris-circuitbreaker-feign-example```、```polaris-circuitbreaker-gateway-example```、```polaris-circuitbreaker-webclient-example```.
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## Instruction
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### Configuration
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The configuration is as the following shows. ${ip} and ${port} are Polaris backend IP address and port number.
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```yaml
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spring:
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application:
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name: ${application.name}
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cloud:
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polaris:
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address: ${ip}:${port}
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```
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### Launching Example
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#### Launching Polaris Backend Service
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Reference to [Polaris Getting Started](https://github.com/PolarisMesh/polaris#getting-started)
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#### Launching callee service
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Launching```polaris-circuitbreaker-example/polaris-circuitbreaker-callee-service```、```polaris-circuitbreaker-example/polaris-circuitbreaker-callee-service2```
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#### Launching caller service
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##### Launching Feign and Verify
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Launching```polaris-circuitbreaker-example/polaris-circuitbreaker-feign-example```.
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Sending request`curl --location --request GET 'http://127.0.0.1:48080/example/service/a/getBServiceInfo/fallbackFromPolaris'`, Verify circuit breaker and fallback from Polaris-server.
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Sending request`curl --location --request GET 'http://127.0.0.1:48080/example/service/a/getBServiceInfo/fallbackFromCode'`, Verify circuit breaker and fallback from code.
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##### Launching RestTemplate and Verify
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Launching```polaris-circuitbreaker-example/polaris-circuitbreaker-resttemplate-example```.
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Sending request`curl --location --request GET 'http://127.0.0.1:48080/example/service/a/getBServiceInfo/fallbackFromPolaris'`, Verify circuit breaker and fallback from Polaris-server.
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Sending request`curl --location --request GET 'http://127.0.0.1:48080/example/service/a/getBServiceInfo/fallbackFromCode'`, Verify circuit breaker and fallback from code.
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##### Launching WebClient and Verify
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Launching```polaris-circuitbreaker-example/polaris-circuitbreaker-webclient-example```。
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Sending request`curl --location --request GET 'http://127.0.0.1:48080/example/service/a/getBServiceInfo'`, Verify circuit breaker and fallback from code.
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##### Launching SCG and Verify
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Launching```polaris-circuitbreaker-example/polaris-circuitbreaker-gateway-example```。
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Sending request`curl --location --request GET 'http://127.0.0.1:48080/polaris-circuitbreaker-callee-service/example/service/b/info'`, Verify circuit breaker and fallback from code.
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Changing```polaris-circuitbreaker-example/polaris-circuitbreaker-gateway-example/resources/bootstrap.yml```, delete local fallback and restart, Verify circuit breaker and fallback from Polaris-server.
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