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update examples

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This commit is contained in:
fangjian0423
2020-01-30 02:17:36 +08:00
parent 97528396fd
commit 57e3059d8d
23 changed files with 294 additions and 11 deletions
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5
spring-cloud-alibaba-examples/nacos-example/nacos-discovery-example/nacos-discovery-consumer-sclb-example/pom.xml
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@@ -41,6 +41,11 @@
<artifactId>spring-cloud-starter-loadbalancer</artifactId>
</dependency>
<dependency>
<groupId>com.alibaba.cloud</groupId>
<artifactId>spring-cloud-starter-alibaba-sentinel</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-openfeign</artifactId>

2
spring-cloud-alibaba-examples/nacos-example/nacos-discovery-example/nacos-discovery-consumer-sclb-example/scripts/openfeign.sh → spring-cloud-alibaba-examples/nacos-example/nacos-discovery-example/nacos-discovery-consumer-sclb-example/scripts/error.sh
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@@ -2,6 +2,6 @@
n=1
while [ $n -le 10 ]
do
echo `curl -s http://localhost:18083/echo-feign/openfeign`
echo `curl -s http://localhost:18083/test`
let n++
done

7
spring-cloud-alibaba-examples/nacos-example/nacos-discovery-example/nacos-discovery-consumer-sclb-example/scripts/feign-defaultmethod-error.sh Normal file
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@@ -0,0 +1,7 @@
#!/usr/bin/env bash
n=1
while [ $n -le 10 ]
do
echo `curl -s http://localhost:18083/divide-feign2?a=1`
let n++
done

7
spring-cloud-alibaba-examples/nacos-example/nacos-discovery-example/nacos-discovery-consumer-sclb-example/scripts/feign-error.sh Normal file
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@@ -0,0 +1,7 @@
#!/usr/bin/env bash
n=1
while [ $n -le 10 ]
do
echo `curl -s http://localhost:18083/divide-feign?a=1\&b=0`
let n++
done

7
spring-cloud-alibaba-examples/nacos-example/nacos-discovery-example/nacos-discovery-consumer-sclb-example/scripts/index.sh Normal file
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@@ -0,0 +1,7 @@
#!/usr/bin/env bash
n=1
while [ $n -le 10 ]
do
echo `curl -s http://localhost:18083/index`
let n++
done

7
spring-cloud-alibaba-examples/nacos-example/nacos-discovery-example/nacos-discovery-consumer-sclb-example/scripts/sleep.sh Normal file
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@@ -0,0 +1,7 @@
#!/usr/bin/env bash
n=1
while [ $n -le 10 ]
do
echo `curl -s http://localhost:18083/sleep`
let n++
done

90
spring-cloud-alibaba-examples/nacos-example/nacos-discovery-example/nacos-discovery-consumer-sclb-example/src/main/java/com/alibaba/cloud/examples/ConsumerSCLBApplication.java
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@@ -19,6 +19,8 @@ package com.alibaba.cloud.examples;
import java.util.List;
import java.util.Random;
import com.alibaba.cloud.examples.ConsumerSCLBApplication.EchoService;
import com.alibaba.cloud.sentinel.annotation.SentinelRestTemplate;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import reactor.core.publisher.Mono;
@@ -28,6 +30,7 @@ import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.cloud.client.loadbalancer.LoadBalanced;
import org.springframework.cloud.client.loadbalancer.reactive.DefaultResponse;
@@ -58,10 +61,18 @@ public class ConsumerSCLBApplication {
@LoadBalanced
@Bean
@SentinelRestTemplate(urlCleanerClass = UrlCleaner.class, urlCleaner = "clean")
public RestTemplate restTemplate() {
return new RestTemplate();
}
@LoadBalanced
@Bean
@SentinelRestTemplate
public RestTemplate restTemplate1() {
return new RestTemplate();
}
public static void main(String[] args) {
SpringApplication.run(ConsumerSCLBApplication.class, args);
}
@@ -112,7 +123,8 @@ public class ConsumerSCLBApplication {
}
@FeignClient(name = "service-provider")
@FeignClient(name = "service-provider", fallback = EchoServiceFallback.class,
configuration = FeignConfiguration.class)
public interface EchoService {
@GetMapping("/echo/{str}")
@@ -136,9 +148,15 @@ public class ConsumerSCLBApplication {
@Autowired
private RestTemplate restTemplate;
@Autowired
private RestTemplate restTemplate1;
@Autowired
private EchoService echoService;
@Autowired
private DiscoveryClient discoveryClient;
@GetMapping("/echo-rest/{str}")
public String rest(@PathVariable String str) {
return restTemplate.getForObject("http://service-provider/echo/" + str,
@@ -150,6 +168,76 @@ public class ConsumerSCLBApplication {
return echoService.echo(str);
}
@GetMapping("/index")
public String index() {
return restTemplate1.getForObject("http://service-provider", String.class);
}
@GetMapping("/test")
public String test() {
return restTemplate1.getForObject("http://service-provider/test",
String.class);
}
@GetMapping("/sleep")
public String sleep() {
return restTemplate1.getForObject("http://service-provider/sleep",
String.class);
}
@GetMapping("/notFound-feign")
public String notFound() {
return echoService.notFound();
}
@GetMapping("/divide-feign")
public String divide(@RequestParam Integer a, @RequestParam Integer b) {
return echoService.divide(a, b);
}
@GetMapping("/divide-feign2")
public String divide(@RequestParam Integer a) {
return echoService.divide(a);
}
@GetMapping("/services/{service}")
public Object client(@PathVariable String service) {
return discoveryClient.getInstances(service);
}
@GetMapping("/services")
public Object services() {
return discoveryClient.getServices();
}
}
}
class FeignConfiguration {
@Bean
public EchoServiceFallback echoServiceFallback() {
return new EchoServiceFallback();
}
}
class EchoServiceFallback implements EchoService {
@Override
public String echo(@PathVariable("str") String str) {
return "echo fallback";
}
@Override
public String divide(@RequestParam Integer a, @RequestParam Integer b) {
return "divide fallback";
}
@Override
public String notFound() {
return "notFound fallback";
}
}

30
spring-cloud-alibaba-examples/nacos-example/nacos-discovery-example/nacos-discovery-consumer-sclb-example/src/main/java/com/alibaba/cloud/examples/UrlCleaner.java Normal file
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@@ -0,0 +1,30 @@
/*
* Copyright 2013-2018 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.alibaba.cloud.examples;
public class UrlCleaner {
public static String clean(String url) {
System.out.println("enter urlCleaner");
if (url.matches(".*/echo/.*")) {
System.out.println("change url");
url = url.replaceAll("/echo/.*", "/echo/{str}");
}
return url;
}
}

13
spring-cloud-alibaba-examples/nacos-example/nacos-discovery-example/nacos-discovery-consumer-sclb-example/src/main/resources/application.properties
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@@ -4,3 +4,16 @@ management.endpoints.web.exposure.include=*
spring.cloud.nacos.discovery.server-addr=127.0.0.1:8848
spring.cloud.loadbalancer.ribbon.enabled=false
feign.sentinel.enabled=true
spring.cloud.sentinel.transport.dashboard=localhost:8080
spring.cloud.sentinel.eager=true
spring.cloud.sentinel.datasource.ds1.file.file=classpath: flowrule.json
spring.cloud.sentinel.datasource.ds1.file.data-type=json
spring.cloud.sentinel.datasource.ds1.file.rule-type=flow
spring.cloud.sentinel.datasource.ds2.file.file=classpath: degraderule.json
spring.cloud.sentinel.datasource.ds2.file.data-type=json
spring.cloud.sentinel.datasource.ds2.file.rule-type=degrade

26
spring-cloud-alibaba-examples/nacos-example/nacos-discovery-example/nacos-discovery-consumer-sclb-example/src/main/resources/degraderule.json Normal file
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@@ -0,0 +1,26 @@
[
{
"resource": "GET:http://service-provider/test",
"count": 0.5,
"grade": 1,
"timeWindow": 30
},
{
"resource": "GET:http://service-provider",
"count": 0.5,
"grade": 1,
"timeWindow": 10
},
{
"resource": "GET:http://service-provider/sleep",
"count": 20.0,
"grade": 0,
"timeWindow": 30
},
{
"resource": "GET:http://service-provider/divide",
"count": 0.5,
"grade": 1,
"timeWindow": 30
}
]

10
spring-cloud-alibaba-examples/nacos-example/nacos-discovery-example/nacos-discovery-consumer-sclb-example/src/main/resources/flowrule.json Normal file
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@@ -0,0 +1,10 @@
[
{
"resource": "GET:http://service-provider/echo/{str}",
"controlBehavior": 0,
"count": 2,
"grade": 1,
"limitApp": "default",
"strategy": 0
}
]