#55 - Add support for virtual aliases

Signed-off-by: Sean OMeara <someara@opscode.com>

attributes/default.rb

@@ -90,6 +90,18 @@ if node['postfix']['main']['smtp_sasl_auth_enable'] == 'yes'
   default['postfix']['main']['relayhost'] = ''
 end
 
+if node['postfix']['use_virtual_aliases'] == 'yes'
+  default['postfix']['main']['virtual_alias_domains'] = []
+  case node['platform']
+  when 'smartos'
+    default['postfix']['virtual_alias_db'] = '/opt/local/etc/postfix/virtual'
+  else
+    default['postfix']['virtual_alias_db'] = '/etc/postfix/virtual'
+  end
+  default['postfix']['main']['virtual_alias_maps'] = "hash:#{node['postfix']['virtual_alias_db']}"
+  default['postfix']['virtual_aliases'] = {}
+end
+
 # # Default main.cf attributes according to `postconf -d`
 # default['postfix']['main']['relayhost'] = ''
 # default['postfix']['main']['milter_default_action']  = 'tempfail'

recipes/virtual_aliases.rb

@@ -0,0 +1,31 @@
+# encoding: utf-8
+# Copyright:: Copyright (c) 2012, Opscode, Inc.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+include_recipe 'postfix'
+
+execute 'postmap-virtual-alias' do
+  command "postmap #{node['postfix']['main']['virtual_alias_maps']}"
+  action :nothing
+end
+
+template node['postfix']['virtual_alias_db'] do
+  source 'virtual_aliases.erb'
+  owner 'root'
+  group 'root'
+  mode 0400
+  notifies :run, 'execute[postmap-virtual-alias]', :immediately
+  notifies :restart, 'service[postfix]'
+end

templates/default/virtual_aliases.erb

@@ -0,0 +1,10 @@
+#
+# This file is generated by Chef for <%= node['fqdn'] %>
+#
+# Local changes will be overwritten
+#
+# See man 5 virtual for format
+
+<% node['postfix']['virtual_aliases'].each do |key, value| %>
+<%= key %> <%= value %>
+<% end %>