micro: rewrite options to support multiple building blocks

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

store/noop.go

@@ -23,6 +23,11 @@ func (n *noopStore) Options() Options {
 	return n.opts
 }
 
+// Name
+func (n *noopStore) Name() string {
+	return n.opts.Name
+}
+
 // String returns string representation
 func (n *noopStore) String() string {
 	return "noop"

store/options.go

@@ -14,6 +14,7 @@ import (
 
 // Options contains configuration for the Store
 type Options struct {
+	Name string
 	// Nodes contains the addresses or other connection information of the backing storage.
 	// For example, an etcd implementation would contain the nodes of the cluster.
 	// A SQL implementation could contain one or more connection strings.

store/store.go

@@ -20,6 +20,7 @@ var (
 
 // Store is a data storage interface
 type Store interface {
+	Name() string
 	// Init initialises the store
 	Init(opts ...Option) error
 	// Connect is used when store needs to be connected