metabase has become a central concept and it's more suitable for it to
be directly nested under satellite rather than being part of metainfo.
metainfo is going to be the "endpoint" logic for handling requests.
Change-Id: I53770d6761ac1e9a1283b5aa68f471b21e784198
We need to be able to list all buckets in DB without knowing project ID.
This method will be used to list buckets for metainfo loop
implementation based on metabase.
Change-Id: Iac75af0eee4f31e80a15577575a8249cbca787b2
* add db interface and methods, add sa metainfo endpoints and svc
* add bucket metainfo svc funcs
* add sadb bucekts
* bucket list gets all buckets
* filter buckets list on macaroon restrictions
* update pb cipher suite to be enum
* add conversion funcs
* updates per comments
* bucket settings should say default
* add direction to list buckets, add tests
* fix test bucket names
* lint err
* only support forward direction
* add comments
* minor refactoring
* make sure list up to limit
* update test
* update protolock file
* fix lint
* change per PR
