lib/vocker/docker_client.rb in vocker-0.3.0 vs lib/vocker/docker_client.rb in vocker-0.3.1

@@ -44,10 +44,16 @@
       def container_exist?(id)
         @machine.communicate.test("sudo docker ps -a -q | grep -q #{id}")
       end
 
       def start_container(id)
-        @machine.communicate.sudo("docker start #{id}")
+        unless container_running?(id)
+          @machine.communicate.sudo("docker start #{id}")
+        end
+      end
+
+      def container_running?(id)
+        @machine.communicate.test("sudo docker ps -q | grep #{id}")
       end
 
       def create_container(config)
         args = "-cidfile=#{config[:cidfile]} -d"
         args << " -dns=#{config[:dns]}" if config[:dns]