Refactor Phut::Configuration

lib/phut/parser.rb

@@ -1,20 +1,61 @@
 # frozen_string_literal: true
-require 'phut/configuration'
+require 'phut/link'
 require 'phut/null_logger'
 require 'phut/syntax'
+require 'phut/vswitch'
 
 module Phut
   # Configuration DSL parser.
   class Parser
     def initialize(file, logger = NullLogger.new)
       @file = file
+      @netns = []
       @logger = logger
     end
 
     def parse
-      Configuration.new do |config|
-        Syntax.new(config).instance_eval IO.read(@file), @file
+      Syntax.new(@netns).instance_eval IO.read(@file), @file
+      update_vswitch_ports
+      update_vhost_interfaces
+      update_netns_interfaces
+    end
+
+    private
+
+    def update_vswitch_ports
+      Link.each do |each|
+        maybe_connect_link_to_vswitch each
+      end
+    end
+
+    def maybe_connect_link_to_vswitch(link)
+      Vswitch.select { |each| link.connect_to?(each) }.each do |each|
+        each.add_port link.device(each.name)
+      end
+    end
+
+    def update_vhost_interfaces
+      Vhost.each do |each|
+        each.device = find_network_device(each)
+      end
+    end
+
+    def update_netns_interfaces
+      @netns.each do |each|
+        netns =
+          Netns.create(name: each[:name],
+                       ip_address: each[:ip], netmask: each[:netmask],
+                       route: { net: each[:net], gateway: each[:gateway] })
+        netns.device = find_network_device(each.name)
+      end
+    end
+
+    def find_network_device(name)
+      Link.each do |each|
+        device = each.device(name)
+        return device if device
       end
+      nil
     end
   end
 end

lib/phut/syntax.rb

@@ -9,8 +9,8 @@
 module Phut
   # DSL syntax definitions.
   class Syntax
-    def initialize(config)
-      @config = config
+    def initialize(netns)
+      @netns = netns
     end
 
     def vswitch(alias_name = nil, &block)
@@ -33,7 +33,7 @@ def link(name_a, name_b)
     end
 
     def netns(name, &block)
-      @config.netns << NetnsDirective.new(name, &block)
+      @netns << NetnsDirective.new(name, &block)
     end
   end
 end