provisioners/docker: simplify run, output which are running

plugins/provisioners/docker/config.rb

@@ -20,22 +20,12 @@ module VagrantPlugins
         @images += images.map(&:to_s)
       end
 
-      def run(*args)
+      def run(name, **options)
-        container_name = args.shift
+        params = options.dup
-        params         = {}
+        params[:image] = name
-
-        if args.empty?
-          params[:image] = container_name
-        elsif args.first.is_a?(String)
-          params[:image] = args.shift
-          params[:cmd]   = container_name
-        else
-          params = args.shift
-          params[:cmd] ||= container_name
-        end
 
         # TODO: Validate provided parameters before assignment
-        @containers[container_name.to_s] = params
+        @containers[name.to_s] = params
       end
 
       def finalize!

plugins/provisioners/docker/docker_client.rb

@@ -30,8 +30,11 @@ module VagrantPlugins
           cids_dir = "/var/lib/vagrant/cids"
           config[:cidfile] ||= "#{cids_dir}/#{Digest::SHA1.hexdigest name}"
 
+          @machine.ui.info(I18n.t("vagrant.docker_running", name: name))
           @machine.communicate.sudo("mkdir -p #{cids_dir}")
-          run_container({name: name}.merge config)
+          run_container({
+            name: name
+          }.merge(config))
         end
       end
 

templates/locales/en.yml

@@ -47,6 +47,8 @@ en:
       Installing Docker onto machine...
     docker_pulling_images:
       Pulling Docker images...
+    docker_running: |-
+      -- Container: %{name}
     docker_starting_containers:
       Starting Docker containers...
     docker_auto_start_not_available: |-