juju/blobstore

NewGridFS returns a ResourceStorage instance backed by a mongo GridFS.

NewManagedStorage creates a new ManagedStorage using the transaction runner, storing resource entries in the specified database, and resource data in the specified resource storage.

NewPutResponse creates a new putResponse for the given requestId and hashes.

ErrRequestExpired is used to indicate that a put request has already expired when an attempt is made to supply a response.

ErrResourceDeleted is used to indicate that a resource was deleted before the put response could be acted on.

ErrResponseMismatch is used to indicate that a put response did not contain the expected checksums.

ErrUploadPending is used to indicate that the underlying resource for a catalog entry is not yet fully uploaded.

ManagedResource is a catalog entry for stored data.

PutRequest is to record a request to put a file pending proof of access.

RequestResponse is returned by a put request to inform the caller the data range over which to calculate the hashes for the response.

Resource is a catalog entry for stored data.

ManagedStorage instances persist data for a bucket, for a user, or globally.

ResourceCatalog instances persist Resources.

ResourceStorage instances save and retrieve data from an underlying storage implementation.