Switching over to using rails engines

config/routes.rb

@@ -0,0 +1,3 @@
+ActionController::Routing::Routes.draw do |map|
+  map.resources :subnets
+end

install.rb

@@ -1,5 +1,23 @@
-Dir.glob(File.join(File.dirname(__FILE__), "db", "migrate", "*")).each do |file|
-  FileUtils.cp file, File.join(Rails.root, "db", "migrate"), :verbose => true
+#!/usr/bin/ruby
+require 'fileutils'
+root =  File.join(File.dirname(__FILE__),"..", "..", "..")
+Dir.glob(File.join(File.dirname(__FILE__), "lib", "db", "migrate", "*")).each do |file|
+  FileUtils.cp file, File.join(root, "db", "migrate"), :verbose => true
 end
+puts "********************************************************************"
 puts "Please run rake db:migrate from the root of your installation"
 puts "This will add support for vendors, servertypes and network databases"
+puts "********************************************************************"
+
+routes = File.join(root, "config", "routes")
+new_routes = File.join(root, "config", "routes.new")
+unless `grep subnets #{routes}`
+  File.open(routes, "r") do |src|
+    File.open(new_routes, "w") do |dst|
+      line = src.readline
+      dst.write("map.NetdbManagers") if line.match(/Routes.draw/)
+      dst.write line
+    end
+  end
+  FileUtils.mv src, dst
+end

lib/app/controllers/subnets_controller.rb

@@ -1,24 +1,41 @@
 class SubnetsController < ApplicationController
-  layout 'standard'
+  def index
+    @search = Subnet.search params[:search]
+    @subnets = @search.paginate(:page => params[:page])
+  end
+
+  def new
+    @subnet = Subnet.new
+  end
 
-  active_scaffold :subnet do |config|
-    config.columns = [:domain, :name, :number, :mask, :ranges, :dhcp, :vlanid]
-    config.create.columns = [:domain, :name, :number, :mask, :ranges, :dhcp, :priority, :vlanid]
-    config.columns[:domain].label = "Site"
-    config.columns[:vlanid].label = "VLAN id"
-    columns[:dhcp].label = "DHCP Server"
-    columns[:ranges].label = "Address ranges"
-    config.columns[:ranges].description = "A list of comma separated single IPs or start-end couples."
-    columns[:mask].label = "Netmask"
-    config.columns[:domain].form_ui  = :select
-    config.columns[:dhcp].form_ui    = :select
-    list.columns.exclude :created_at, :updated_at
-    list.sorting = {:domain => 'DESC' }
-    columns['domain'].sort_by :sql
+  def create
+    @subnet = Subnet.new(params[:subnet])
+    if @subnet.save
+      flash[:foreman_notice] = "Successfully created subnet."
+      redirect_to subnets_url
+    else
+      render :action => 'new'
+    end
+  end
 
-    # Deletes require a page update so as to show error messsages
-    config.delete.link.inline = false
+  def edit
+    @subnet = Subnet.find(params[:id])
+  end
+
+  def update
+    @subnet = Subnet.find(params[:id])
+    if @subnet.update_attributes(params[:subnet])
+      flash[:foreman_notice] = "Successfully updated subnet."
+      redirect_to subnets_url
+    else
+      render :action => 'edit'
+    end
+  end
 
-    config.nested.add_link "Hosts", [:hosts]
+  def destroy
+    @subnet = Subnet.find(params[:id])
+    @subnet.destroy
+    flash[:foreman_notice] = "Successfully destroyed subnet."
+    redirect_to subnets_url
   end
 end

lib/app/models/servertype.rb

@@ -0,0 +1,7 @@
+class Servertype < ActiveRecord::Base
+  has_many :netdbs
+
+  validates_uniqueness_of :name
+  validates_presence_of :name
+end
+

lib/app/models/vendor.rb

@@ -0,0 +1,6 @@
+class Vendor < ActiveRecord::Base
+  has_many :netdbs
+
+  validates_uniqueness_of :name
+  validates_presence_of :name
+end

lib/app/views/subnets/_form.html.erb

@@ -0,0 +1,37 @@
+<% form_for @subnet do |f| %>
+  <%= f.error_messages %>
+  <p>
+  <%= f.label :name %><br />
+  <%= f.text_field :name %>
+  </p>
+  <p>
+  <%= f.label :domain %><br />
+  <%= f.collection_select :domain_id, Domain.all, :id, :name %>
+  </p>
+  <p>
+  <%= f.label :number %><br />
+  <%= f.text_field :name %>
+  </p>
+  <p>
+  <%= f.label :mask %><br />
+  <%= f.text_field :name %>
+  </p>
+  <p>
+  <%= f.label :ranges %><br />
+  <%= f.text_field :name, :title => ""A list of comma separated single IPs or start-end couples."" %>
+  </p>
+  <p>
+  <%= f.label :priority %><br />
+  <%= f.text_field :name %>
+  </p>
+  <p>
+  <%= f.label :vlanid %><br />
+  <%= f.text_field :name %>
+  </p>
+  <p>
+  <p><%= f.submit "Submit" %></p>
+
+  <% unless @subnet.new_record? -%>
+    Used by <%= @subnet.hosts.count %> hosts
+  <% end -%>
+<% end %>

lib/app/views/subnets/edit.html.erb

@@ -0,0 +1,6 @@
+<% title "Edit Subnet" %>
+
+<%= render :partial => 'form' %>
+
+<p><%= link_to "View All Subnets", subnets_path %></p>
+

lib/app/views/subnets/index.html.erb

@@ -0,0 +1,32 @@
+<% title "Subnets" %>
+
+<table class="list">
+  <tr>
+    <th>Name</th>
+    <th>Domain</th>
+    <th>Number</th>
+    <th>Mask</th>
+    <th>Ranges</th>
+    <th>Priority</th>
+    <th>VLAN id</th>
+    <th></th>
+  </tr>
+  <% for subnet in @subnets %>
+    <tr class="<%= cycle("even", "odd") -%>">
+      <td><%=link_to h(subnet.name), edit_subnet_path(subnet)%></td>
+      <td><%=subnet.domain%></td>
+      <td><%=subnet.number%></td>
+      <td><%=subnet.mask%></td>
+      <td><%=subnet.ranges%></td>
+      <td><%=subnet.priority%></td>
+      <td><%=subnet.vlanid%></td>
+      <td align="right">
+        <%= link_to "Destroy", subnet, :confirm => "Delete #{subnet.name}?", :method => :delete %>
+      </td>
+    </tr>
+  <% end %>
+</table>
+<%= page_entries_info @subnets %>
+<%= will_paginate     @subnets %>
+
+<p><%= link_to "New Subnet", new_subnet_path %></p>

lib/app/views/subnets/new.html.erb

@@ -0,0 +1,5 @@
+<% title "New Subnet" %>
+
+<%= render :partial => 'form' %>
+
+<p><%= link_to "Back to List", subnets_path %></p>

lib/netdb_manager.rb

@@ -1,8 +1,11 @@
 require 'netdb_manager/host_ext'
+#require "netdb_manager/routing"
 
 %w{ models controllers helpers}.each do |dir|
   path = File.join(File.dirname(__FILE__), 'app', dir)
   $LOAD_PATH << path
   ActiveSupport::Dependencies.load_paths << path
   ActiveSupport::Dependencies.load_once_paths.delete(path)
-end 
+end
+
+ActionController::Base.prepend_view_path File.join(File.dirname(__FILE__), 'app', 'views')

lib/netdb_manager/host_ext.rb

@@ -7,15 +7,15 @@ def self.included(base)
       require 'ipaddr'
       include DHCP
     else
-      if SETTINGS[:unattended].nil? or SETTINGS[:unattended]
-        RAILS_DEFAULT_LOGGER.warn "*********************************************************************"
-        RAILS_DEFAULT_LOGGER.warn "DHCP and DNS management require that you install the memcache service"
-        RAILS_DEFAULT_LOGGER.warn "and that you add this line to environment.db"
-        RAILS_DEFAULT_LOGGER.warn "config.cache_store = :mem_cache_store"
-        RAILS_DEFAULT_LOGGER.warn "*********************************************************************"
-      end
-      @dhcp = nil
-      return
+      message = "*********************************************************************\n" +
+                "DHCP and DNS management require that you install the memcache service\n" +
+                "and that you add this line to environment.db                         \n" +
+                "config.cache_store = :mem_cache_store                                \n" +
+                "and edit config.initializers/session_store to set = :mem_cache_store \n" +
+                "*********************************************************************\n"
+      RAILS_DEFAULT_LOGGER.warn message
+      puts message
+      exit
     end
 
     base.extend  ClassMethods

lib/netdb_manager/routing.rb

@@ -0,0 +1,12 @@
+module NetdbManager
+  #:nodoc:
+  module Routing
+    #:nodoc:
+    module MapperExtensions
+      def NetdbManagers
+        @set.add_route("/subnets", {:controller => "subnets", :action => "index"})
+      end
+    end
+  end
+end
+ActionController::Routing::RouteSet::Mapper.send :include, NetdbManager::Routing::MapperExtensions