custom-config-server-client

Access Azure Spring Apps managed Config Server

This sample shows how to access Azure Spring Apps managed Config Server through Azure RBAC when your applications are running outside Azure Spring Apps.

Prerequisite

• JDK 8
• Maven 3.0 and above
• Azure CLI or Azure Cloud Shell

How to run

1. Clone this repo and go to folder

   git clone https://github.com/Azure-Samples/Azure-Spring-Cloud-Samples
   cd Azure-Spring-Cloud-Samples/custom-config-server-client

2. Install Azure CLI extension for Azure Spring Apps

   az extension add --name spring-cloud

3. Create an instance of Azure Spring Apps

   az spring-cloud create -n <service name> -g <resource group name>

4. Using piggymetrics-config as the backend git repo from which Azure Spring Apps to pull config

   az spring-cloud config-server git set --name <service name> --uri "https://github.com/Azure-Samples/piggymetrics-config.git"

5. Create a service principal to access the Config Server in your application. Please mark down

   az ad sp create-for-rbac --scopes /subscriptions/<subscription id>/resourceGroups/<resource group name>/providers/Microsoft.AppPlatform/Spring/<service name> --role "Azure Spring Cloud Config Server Reader"

   The output includes credentials you will need in the next step.

6. Update the application.properties under src/main/resources with the credentials you get above and your Azure Spring Apps instance.

   spring.cloud.config.uri=https://<service name>.svc.asc-test.net/config
   access.token.clientId=<appId>
   access.token.secret=<password>
   access.token.tenantId=<tenant>

7. Package the app using maven and run it locally

   mvn clean package -D skipTests
   mvn spring-boot:run

8. The endpoint should be access now with the configuration content

   curl http://127.0.0.1:8080/config
   20000%