lib/vocker/docker_client.rb in vocker-0.1.0 vs lib/vocker/docker_client.rb in vocker-0.2.0

@@ -22,17 +22,23 @@
       def run(containers)
         containers.each do |name, config|
           cids_dir = "/var/lib/vocker/cids"
           config[:cidfile] ||= "#{cids_dir}/#{Digest::SHA1.hexdigest name}"
 
-          id = "$(cat #{config[:cidfile]})"
-
           @machine.communicate.sudo("mkdir -p #{cids_dir}")
-          if container_exist?(id)
-            start_container(id)
-          else
-            create_container(config)
-          end
+          run_container(config)
+        end
+      end
+
+      def run_container(config)
+        raise "Container's cidfile was not provided!" unless config[:cidfile]
+
+        id = "$(cat #{config[:cidfile]})"
+
+        if container_exist?(id)
+          start_container(id)
+        else
+          create_container(config)
         end
       end
 
       def container_exist?(id)
         @machine.communicate.test("sudo docker ps -a -q | grep -q #{id}")