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BAEL-5266: Netflix sidecar demo applications created. (#12183) 

* BAEL-5266: Netflix sidecar demo applications created.

* BAEL-5266: Changed NodeJS endpoint to hello

* BAEL-5266: Removed .gitignore files as the .gitignore is already available in project scope.
This commit is contained in:
maryarm 2022-05-31 05:00:17 +02:00 committed by GitHub
parent a1e77995a6
commit 4785a24795
10 changed files with 260 additions and 0 deletions
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48
spring-cloud/spring-cloud-netflix-sidecar/echo-demo/pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>echo-demo</artifactId>
<name>echo-demo</name>
<description>Demo for echo endpoint</description>
<parent>
<groupId>com.baeldung.cloud</groupId>
<artifactId>spring-cloud-netflix-sidecar</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../pom.xml</relativePath>
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!-- https://mvnrepository.com/artifact/org.springframework.cloud/spring-cloud-starter-netflix-zuul -->
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-zuul</artifactId>
<version>2.2.10.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-eureka-client</artifactId>
<version>2.2.10.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>

48
spring-cloud/spring-cloud-netflix-sidecar/echo-demo/src/main/java/com/baeldung/cloud/echo/EchoApplication.java Normal file
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package com.baeldung.cloud.echo;
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.netflix.eureka.EnableEurekaClient;
import org.springframework.cloud.netflix.zuul.EnableZuulProxy;
import org.springframework.context.annotation.Bean;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;
import java.util.List;
@SpringBootApplication
@EnableEurekaClient
@EnableZuulProxy
@RestController
public class EchoApplication {
@Autowired
DiscoveryClient discoveryClient;
@Autowired
RestTemplate restTemplate;
@Bean
public RestTemplate restTemplate() {
return new RestTemplate();
}
@GetMapping("/hello/{me}")
public ResponseEntity<String> echo(@PathVariable("me") String me) {
List<ServiceInstance> instances = discoveryClient.getInstances("sidecar");
if (instances.isEmpty()) {
return ResponseEntity.status(HttpStatus.SERVICE_UNAVAILABLE).body("hello service is down");
}
String url = instances.get(0).getUri().toString();
return ResponseEntity.ok(restTemplate.getForObject(url + "/hello/" + me, String.class));
}
public static void main(String[] args) {
SpringApplication.run(EchoApplication.class, args);
}
}

14
spring-cloud/spring-cloud-netflix-sidecar/echo-demo/src/main/resources/application.yml Normal file
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server.port: 8085
spring:
application:
name: echo
eureka:
instance:
hostname: localhost
leaseRenewalIntervalInSeconds: 1
leaseExpirationDurationInSeconds: 2
client:
service-url:
defaultZone: http://127.0.0.1:8761/eureka
healthcheck:
enabled: true

11
spring-cloud/spring-cloud-netflix-sidecar/echo-demo/src/test/java/com/baeldung/cloud/echo/SpringContextTest.java Normal file
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package com.baeldung.cloud.echo;
import org.junit.jupiter.api.Test;
import org.springframework.boot.test.context.SpringBootTest;
@SpringBootTest
public class SpringContextTest {
@Test
void contextLoads() {
}
}

27
spring-cloud/spring-cloud-netflix-sidecar/pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.baeldung.cloud</groupId>
<artifactId>spring-cloud-netflix-sidecar</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>pom</packaging>
<name>spring-cloud-netflix-sidecar</name>
<description>Netflix Sidecar project for Spring Boot</description>
<parent>
<groupId>com.baeldung</groupId>
<artifactId>parent-boot-2</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../../parent-boot-2</relativePath>
</parent>
<modules>
<module>sidecar-demo</module>
<module>echo-demo</module>
</modules>
<properties>
<netflix.cloud.version>2.2.10.RELEASE</netflix.cloud.version>
<spring-boot.version>2.3.12.RELEASE</spring-boot.version>
</properties>
</project>

19
spring-cloud/spring-cloud-netflix-sidecar/sidecar-demo/nodejs/hello.js Normal file
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const express = require('express')
const app = express()
const port = 3000
app.get('/', (req, res) => {
res.send('Hello World!')
})
app.get('/health', (req, res) => {
res.send({ "status":"UP"})
})
app.get('/hello/:me', (req, res) => {
res.send('Hello ' + req.params.me + '!')
})
app.listen(port, () => {
console.log(`Hello app listening on port ${port}`)
})

52
spring-cloud/spring-cloud-netflix-sidecar/sidecar-demo/pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<artifactId>sidecar-demo</artifactId>
<name>sidecar-demo</name>
<description>Sidecar demo for hello endpoint</description>
<parent>
<groupId>com.baeldung.cloud</groupId>
<artifactId>spring-cloud-netflix-sidecar</artifactId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../pom.xml</relativePath>
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-netflix-sidecar</artifactId>
<version>${netflix.cloud.version}</version>
</dependency>
<dependency>
<groupId>io.projectreactor</groupId>
<artifactId>reactor-core</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.mockito</groupId>
<artifactId>mockito-junit-jupiter</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>

13
spring-cloud/spring-cloud-netflix-sidecar/sidecar-demo/src/main/java/com/baeldung/cloud/sidecar/SidecarApplication.java Normal file
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package com.baeldung.cloud.sidecar;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.netflix.sidecar.EnableSidecar;
@SpringBootApplication
@EnableSidecar
public class SidecarApplication {
public static void main(String[] args) {
SpringApplication.run(SidecarApplication.class, args);
}
}

17
spring-cloud/spring-cloud-netflix-sidecar/sidecar-demo/src/main/resources/application.yml Normal file
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server.port: 8084
spring:
application:
name: sidecar
eureka:
instance:
hostname: localhost
leaseRenewalIntervalInSeconds: 1
leaseExpirationDurationInSeconds: 2
client:
service-url:
defaultZone: http://127.0.0.1:8761/eureka
healthcheck:
enabled: true
sidecar:
port: 3000
health-uri: http://localhost:3000/health

11
spring-cloud/spring-cloud-netflix-sidecar/sidecar-demo/src/test/java/com/baeldung/cloud/sidecar/SpringContextTest.java Normal file
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package com.baeldung.cloud.sidecar;
import org.junit.jupiter.api.Test;
import org.springframework.boot.test.context.SpringBootTest;
@SpringBootTest
public class SpringContextTest {
@Test
void contextLoads() {
}
}