Extract volume interaction to a volumes service

This cleans up some of the package API's used for interacting with
volumes, and simplifies management.

Signed-off-by: Brian Goff <cpuguy83@gmail.com>
Upstream-commit: e4b6adc88e967971de634596654d9bc33e7bd7e0
Component: engine

components/engine/cmd/dockerd/daemon.go

@@ -453,7 +453,7 @@ func initRouter(opts routerOptions) {
 		container.NewRouter(opts.daemon, decoder),
 		image.NewRouter(opts.daemon.ImageService()),
 		systemrouter.NewRouter(opts.daemon, opts.cluster, opts.buildCache),
-		volume.NewRouter(opts.daemon),
+		volume.NewRouter(opts.daemon.VolumesService()),
 		build.NewRouter(opts.buildBackend, opts.daemon),
 		sessionrouter.NewRouter(opts.sessionManager),
 		swarmrouter.NewRouter(opts.cluster),
@@ -595,6 +595,7 @@ func createAndStartCluster(cli *DaemonCli, d *daemon.Daemon) (*cluster.Cluster,
 		Root:                   cli.Config.Root,
 		Name:                   name,
 		Backend:                d,
+		VolumeBackend:          d.VolumesService(),
 		ImageBackend:           d.ImageService(),
 		PluginBackend:          d.PluginManager(),
 		NetworkSubnetsProvider: d,