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http://jira.amdatu.org/jira/browse/AMDATU-428?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=11695#comment-11695
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Adrian Cole commented on AMDATU-428:
------------------------------------
wrt cassandra. it is possible to write a jclouds driver for it similar to the
way you mentioned. I'd be curious if there's more re-use in general Thrift
support?
http://wiki.apache.org/thrift/PoweredBy
> Blob Store support
> ------------------
>
> Key: AMDATU-428
> URL: http://jira.amdatu.org/jira/browse/AMDATU-428
> Project: Amdatu
> Issue Type: New Feature
> Reporter: Paul Bakker
> Attachments: TestContext.patch
>
>
> We need some way to work with Blob Store providers such as Amazon S3.
> I've implemented this and checked in to the sandbox:
> https://subversion.amdatu.org/svn/amdatu/sandbox/paulb
> The service is built on jclouds, so any Blob Store support by jclouds can be
> used. The service exposes the jclouds API directly. Jcloud already is an
> abstraction so it doesn't make sense to create another abstraction on top of
> this. If we would provide our own abstraction we would either copy the
> jclouds API or loose a lot of jcloud's functionality. If we need to support
> additional stores we can add them to jclouds.
> The jclouds API is exposed via an OSGI service (BlobStoreService). Jclouds
> has to be configured with a username/password etc. to work with a specific
> blob store. For this I have created a Managed Service Factory. As soon as the
> Factory finds configuration for a specific store it instantiates a service
> specifically for that store. To use this service you have to go through the
> following steps:
> -Add configuration (using Config Admin) for the provider containing:
> provider, identity and secret. The provider must be one of the providers
> supported by jclouds.
> -Lookup the service
> {code}
> dependencyManager.add(createComponent().setImplementation(BlobStoreClient.class)
>
> .add(createServiceDependency().setService(BlobStoreService.class,
> BlobStoreService.Providers.AWS_S3.getAsServiceFilter()).setRequired(true)));
> {code}
> From there you just use the jclouds API, for example:
> {code}
> BlobStoreContext blobStoreContext = blobStoreService.getContext();
> BlobStore blobStore = blobStoreContext.getBlobStore();
> PageSet<? extends StorageMetadata> amdatu = blobStore.list("amdatu");
> for (StorageMetadata storageMetadata : amdatu) {
> System.out.println(storageMetadata.getName());
> }
> {code}
> Let me know what you think!
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