Spring-cloud-config: Show example config when using spring.cloud.config.server.bootstrap

[tommyziegler]

Dear Spring-Boot-Team,

I try to build an spring-boot application with an embedded config-server like descriped here in the spring documentation (http://cloud.spring.io/spring-cloud-config/spring-cloud-config.html#_embedding_the_config_server).
My point is that I would like that the property values are also loaded while startup of my application and I thougt I can do that with setting the spring.cloud.config.server.bootstrap=true property.

But I need to call before the refresh method, before my rest controller returns the correct Hello World Message. After starting the default values are returned.

After Startup

$ curl http://localhost:8080/hello/world
Message: default default!

Refresh Scope

 $ curl -X POST http://localhost:8080/refresh
["prop2","prop1"]

After Scope Refresh

$ curl http://localhost:8080/hello/world
Message: Hello World!

My question is there a way to load them while startup, or is this behaviour like expected from your side? Or do I have overread something what still needs to do / configure!?

Many thx

Tommy Ziegler

My embedded Spring-Cloud-Server Project

pom.xml

...
<parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>1.3.0.RELEASE</version>
    <relativePath/> <!-- lookup parent from repository -->
</parent>

<properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <java.version>1.8</java.version>
</properties>

<dependencies>
    <dependency>
        <groupId>org.springframework.cloud</groupId>
        <artifactId>spring-cloud-config-server</artifactId>
    </dependency>

    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <!--<dependency>-->
        <!--<groupId>org.springframework.boot</groupId>-->
        <!--<artifactId>spring-boot-starter-security</artifactId>-->
    <!--</dependency>-->
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>

    ...
</dependencies>
...

HelloWorldApplication.java

@SpringBootApplication
@EnableConfigServer
public class HelloWorldApplication {

    public static void main(String[] args) {
        SpringApplication.run(HelloWorldApplication.class, args);
    }
}

HelloWorldController.java

@RestController
@RequestMapping("/hello")
@RefreshScope
public class HelloWorldController {

    @Value("${prop1:default}") private String prop1;
    @Value("${prop2:default}") private String prop2;

    @RequestMapping(value = "/world", method = RequestMethod.GET)
    public String getHelloWorld() {
        return new StringBuilder()
                .append("Message: ")
                .append(prop1).append(" ")
                .append(prop2).append("!")
                .toString();
    }
}

application.properties

spring.application.name=root-server
spring.cloud.config.server.bootstrap=true
spring.cloud.config.server.prefix=/config
spring.cloud.config.server.git.uri= file://${user.home}/Desktop/config

Spring cloud GIT Repository file

${user.home}/Desktop/config/root-server.properties

prop1=Hello
prop2=World

[spencergibb]

The values you have in application.properties should go in bootstrap.properties.

[tommyziegler]

But do I need then only a bootstrap.properties? Or can I put the normal configs like spring.application.name, logging etc. also in the normal application.properties?

[spencergibb]

spring.application.name needs to be in bootstrap.properties or config server won't know what application is requesting configuration.

[tommyziegler]

ok, yes I found out that the spring.application.name, spring.cloud.config.server.bootstrap=true and spring.cloud.config.server.git.uri=file://..... in bootstrap.properties needed. Maybe that would be useful information for the embedded config-server documentation.

Is that correct what I found out so far?

bootstrap.properties

spring.application.name=root-server
spring.cloud.config.server.bootstrap=true
spring.cloud.config.server.git.uri=file://${user.home}/Desktop/config

application.properties

spring.cloud.config.server.prefix=/config

[spencergibb]

It's only useful if you use spring.cloud.config.server.bootstrap.

[tommyziegler]

yes when i need to embed the config-server into a application where i need to access properties.

But this is not so easy to find out from the embedded config-server documentation. I mean the fact which properties needs to define in which file. Users can think that's enough to define it in application.properties.

But thx a lot for the information

[zjesse713]

@tommyziegler Was this answer solved? I am still getting the output default default! It is not reading properties from github

[spencergibb]

@zjesse713 did you look at a125393f27bc01635f206007c00d881c6fc19489?