DEV Community

loading...

[NO DOT USE] How to set custom endpoint with AWS S3 on jCloud

Ukjin Yang
I'm a freelance full stack developer, from hell.
Updated on ・1 min read

** Aug 18, 2021 DO NOT USE THIS METHOD **

jclouds will make signature with your custom domain and DEFAULT region(us-east-1), and you'll see 403 Forbidden. You can use hack method(patched jcloud, override jcloud's class in your app, java-agent, etc) but it's not recommended if you have no time. so,

DO NOT USE THIS METHOD. CONTACT YOUR NETWORK MANAGER TO GRANT ACCESS TO AWS WITH FIREWALL OR PROXY FOR FIGURE IT OUT THIS ISSUE!

When you get BlobStoreContext from ContextBuilder, it provides endpoint method for initiize endpoint.

BlobStoreContext context = ContextBuilder.newBuilder("aws-s3")
    .credentials(identity, credentials)
    .endpoint(endpoint)
    .buildView(AWSS3BlobStoreContext.class);
Enter fullscreen mode Exit fullscreen mode

But it does not work, it will throws NullpointerException when putting blob, weird.

So, if you want set custom endpoint, you must set endpoint in override property. (fixed region due to your firewall rules, custom domain with proxy, etc.)

import static org.jclouds.Constants.PROPERTY_ENDPOINT;

Property override = new Property();
override.setProperty(PROPERTY_ENDPOINT, endpoint); 

BlobStoreContext context = ContextBuilder.newBuilder("aws-s3")
    .credentials(identity, credentials)
    .overrides(override)
    .buildView(AWSS3BlobStoreContext.class);
Enter fullscreen mode Exit fullscreen mode

Plus, if you want enable logging for monitoring how to works on jCloud, set a module with SLF4JLoggingModule. it will requires additional dependency: org.apache.jclouds.driver:jclouds-slf4j:${sameVersionWithYourjCloud}

Iterable<Module> modules = ImmutableSet.<Module>of(new SLF4JLoggingModule());

BlobStoreContext context = ContextBuilder.newBuilder("aws-s3")
    .credentials(identity, credentials)
    .modules(modules)
    .buildView(AWSS3BlobStoreContext.class);
Enter fullscreen mode Exit fullscreen mode

That's all. Happy coding!

Discussion (1)

Collapse
dtq25 profile image
dtq25 • Edited

Hi, Ukjin. I have trouble to figure out the endpoint of s3 bucket for Jcloud. For example,
have a bucket, s3://abc-edf. Like to create a folder, myFoldert, under s3://abc-edf/myFolder. Then store data under myFolder. When I create blobStoreContext, I set endpoint to abc-edf.s3.us-east-2.amazonaws.com. It doesn't work. Actually, it created a bucket called myFolder, not folder under s3://abc-edf.

Appreciate your help,
Tony