spring-cloud-nfs-connector-cloudfoundry

Spring Cloud NFS Service Connectors for CloudFoundry Volume Services.

When running in CloudFoundry this Spring Cloud Connector allows you to easily configure your application to write to reliable, non-ephemeral nfs volumes.

Add a connector to your project

The maven coordinates for this Spring Cloud Connector are as follows:

<dependency>
  <groupId>com.github.paulcwarren</groupId>
  <artifactId>spring-cloud-nfs-connector-cloudfoundry</artifactId>
  <version>1.0.0</version>
</dependency>

In your Spring application create an @Configuration class that extends AbstractCloudConfig to create a NFSConnector bean. This bean provides access to the nfs volumes bund to the application.

@Configuration
public class NFSConfig extends AbstractCloudConfig {

	@Bean
    	public NFSServiceConnector nfs() {
        	return connectionFactory().service(NFSServiceConnector.class);
    	}
}

Usage example:

@Component
public class ExampleNFS {

    @Autowired
    NFSServiceConnector nfs;

    public void writeFile(String name, InputStream contents){
    	File file = new File(nfs.getVolumeMounts()[0].getContainerDir(), name);
        IOUtils.copyToFile(contents, file);
    }

    public InputStream readFile(String name){
    	File file = new File(nfs.getVolumeMounts()[0].getContainerDir(), name);
        return IOUtils.openInputStream(file);
    }
}

Deploy and run

Cloud Foundry

1. Create an NFS service from the marketplace using the NFS Service Broker.
2. Push your app with cf push
3. After the app has been pushed bind your new created service to your app (e.g: cf bs nameofmyapp nameofmyservice)
4. Restage your app: cf restage nameofmyapp