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BAEL-2351 programmatically restart spring boot application

This commit is contained in:
mprevisic 2018-12-11 01:30:10 +01:00
parent 7ddcb76c09
commit 3e685aa12d
8 changed files with 280 additions and 2 deletions
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7
spring-boot-ops/pom.xml
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@ -86,6 +86,12 @@
<version>${jquery.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-context</artifactId>
<version>${springcloud.version}</version>
</dependency>
</dependencies>
<build>
@ -153,6 +159,7 @@
<jpa.version>2.2</jpa.version>
<guava.version>18.0</guava.version>
<subethasmtp.version>3.1.7</subethasmtp.version>
<springcloud.version>2.0.2.RELEASE</springcloud.version>
</properties>
</project>

164
spring-boot-ops/pom.xml~ Normal file
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@ -0,0 +1,164 @@
<?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>
<artifactId>spring-boot-ops</artifactId>
<packaging>war</packaging>
<name>spring-boot-ops</name>
<description>Demo project for Spring Boot</description>
<parent>
<artifactId>parent-boot-2</artifactId>
<groupId>com.baeldung</groupId>
<version>0.0.1-SNAPSHOT</version>
<relativePath>../parent-boot-2</relativePath>
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-thymeleaf</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-mail</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>com.h2database</groupId>
<artifactId>h2</artifactId>
<scope>runtime</scope>
</dependency>
<dependency>
<groupId>javax.persistence</groupId>
<artifactId>javax.persistence-api</artifactId>
<version>${jpa.version}</version>
</dependency>
<dependency>
<groupId>com.google.guava</groupId>
<artifactId>guava</artifactId>
<version>${guava.version}</version>
</dependency>
<dependency>
<groupId>org.subethamail</groupId>
<artifactId>subethasmtp</artifactId>
<version>${subethasmtp.version}</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.webjars</groupId>
<artifactId>bootstrap</artifactId>
<version>${bootstrap.version}</version>
</dependency>
<dependency>
<groupId>org.webjars</groupId>
<artifactId>jquery</artifactId>
<version>${jquery.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-context</artifactId>
<version>${springcloud.version}</version>
</dependency>
</dependencies>
<build>
<finalName>${project.artifactId}</finalName>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<executions>
<execution>
<goals>
<goal>repackage</goal>
</goals>
<configuration>
<mainClass>com.baeldung.webjar.WebjarsdemoApplication</mainClass>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>
<profiles>
<profile>
<id>autoconfiguration</id>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<executions>
<execution>
<phase>integration-test</phase>
<goals>
<goal>test</goal>
</goals>
<configuration>
<excludes>
<exclude>**/*LiveTest.java</exclude>
<exclude>**/*IntegrationTest.java</exclude>
<exclude>**/*IntTest.java</exclude>
</excludes>
<includes>
<include>**/AutoconfigurationTest.java</include>
</includes>
</configuration>
</execution>
</executions>
<configuration>
<systemPropertyVariables>
<test.mime>json</test.mime>
</systemPropertyVariables>
</configuration>
</plugin>
</plugins>
</build>
</profile>
</profiles>
<properties>
<!-- The main class to start by executing java -jar -->
<start-class>org.baeldung.boot.Application</start-class>
<jquery.version>3.1.1</jquery.version>
<bootstrap.version>3.3.7-1</bootstrap.version>
<jpa.version>2.2</jpa.version>
<guava.version>18.0</guava.version>
<subethasmtp.version>3.1.7</subethasmtp.version>
</properties>
</project>

30
spring-boot-ops/src/main/java/com/baeldung/restart/Application.java Normal file
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@ -0,0 +1,30 @@
package com.baeldung.restart;
import org.springframework.boot.ApplicationArguments;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.web.servlet.support.SpringBootServletInitializer;
import org.springframework.context.ConfigurableApplicationContext;
@SpringBootApplication
public class Application extends SpringBootServletInitializer {
private static ConfigurableApplicationContext context;
public static void main(String[] args) {
context = SpringApplication.run(Application.class, args);
}
public static void restart() {
ApplicationArguments args = context.getBean(ApplicationArguments.class);
Thread thread = new Thread(() -> {
context.close();
context = SpringApplication.run(Application.class, args.getSourceArgs());
});
thread.setDaemon(false);
thread.start();
}
}

23
spring-boot-ops/src/main/java/com/baeldung/restart/RestartController.java Normal file
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@ -0,0 +1,23 @@
package com.baeldung.restart;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RestController;
@RestController
public class RestartController {
@Autowired
private RestartService restartService;
@PostMapping("/restart")
public void restart() {
Application.restart();
}
@PostMapping("/restartApp")
public void restartUsingActuator() {
restartService.restartApp();
}
}

17
spring-boot-ops/src/main/java/com/baeldung/restart/RestartService.java Normal file
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@ -0,0 +1,17 @@
package com.baeldung.restart;
import org.springframework.stereotype.Service;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.context.restart.RestartEndpoint;
@Service
public class RestartService {
@Autowired
private RestartEndpoint restartEndpoint;
public void restartApp() {
restartEndpoint.restart();
}
}

3
spring-boot-ops/src/main/resources/application.properties
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@ -1,3 +1,4 @@
management.endpoints.web.exposure.include=*
management.metrics.enable.root=true
management.metrics.enable.jvm=true
management.metrics.enable.jvm=true
management.endpoint.restart.enabled=true

34
spring-boot-ops/src/test/java/com/baeldung/restart/RestartApplicationIntegrationTest.java Normal file
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@ -0,0 +1,34 @@
package com.baeldung.restart;
import static org.junit.Assert.assertEquals;
import org.junit.Test;
import org.springframework.boot.test.web.client.TestRestTemplate;
import org.springframework.http.HttpMethod;
import org.springframework.http.ResponseEntity;
public class RestartApplicationIntegrationTest {
private TestRestTemplate template = new TestRestTemplate();
@Test
public void givenBootApp_whenRestart_thenOk() throws Exception {
Application.main(new String[0]);
ResponseEntity response = template.exchange("http://localhost:8080/restart",
HttpMethod.POST, null, Object.class);
assertEquals(200, response.getStatusCode().value());
}
@Test
public void givenBootApp_whenRestartUsingActuator_thenOk() throws Exception {
Application.main(new String[] { "--server.port=8090" });
ResponseEntity response = template.exchange("http://localhost:8090/restartApp",
HttpMethod.POST, null, Object.class);
assertEquals(200, response.getStatusCode().value());
}
}

4
spring-boot-ops/src/test/resources/application.properties
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@ -4,4 +4,6 @@ spring.mail.properties.mail.smtp.auth=false
management.endpoints.web.exposure.include=*
management.endpoint.shutdown.enabled=true
endpoints.shutdown.enabled=true
endpoints.shutdown.enabled=true
management.endpoint.restart.enabled=true