NewBackend will return an instance of an RPC-based client implementation of the backend for external plugins, or a concrete implementation of the backend if it is a builtin backend.

Serve is a helper function used to serve a backend plugin.

BackendPluginName is the name of the plugin that can be dispensed from the plugin server.

BackendPluginClient is a wrapper around backendPluginClient that also contains its plugin.Client instance.

GRPCBackendPlugin is the plugin.Plugin implementation that only supports GRPC transport.

GRPCStorageClient is an implementation of logical.Storage that communicates over RPC.

StorageServer is a net/rpc compatible structure for serving.

LoggerReply contains the RPC reply.

NOOPStorage is used to deny access to the storage interface while running a backend plugin in metadata mode.