allows to rewrite outgoing address.

In my development env i want to make sure nobody can send a mail to a wrong address. So all outgoing mails are changed.

Signed-off-by: Bram Gillemon <bram@gillemon.be>

.kitchen.dokken.yml

@@ -105,3 +105,11 @@ suites:
       sasl:
         smtp_sasl_user_name: "kitchenuser"
         smtp_sasl_passwd: "not-a-real-thing"
+
+- name: canonical
+  run_list:
+  - recipe[postfix]
+  attributes:
+    postfix:
+      recipient_canonical_map_entries:
+        john: john@doe.com

.kitchen.yml

@@ -47,3 +47,12 @@ suites:
       sasl:
         smtp_sasl_user_name: "kitchenuser"
         smtp_sasl_passwd: "not-a-real-thing"
+
+- name: canonical
+  run_list:
+  - recipe[postfix]
+  attributes:
+    postfix:
+      recipient_canonical_map_entries:
+        john: john@doe.com
+        

attributes/default.rb

@@ -33,6 +33,7 @@ default['postfix']['main_template_source'] = 'postfix'
 default['postfix']['master_template_source'] = 'postfix'
 default['postfix']['sender_canonical_map_entries'] = {}
 default['postfix']['smtp_generic_map_entries'] = {}
+default['postfix']['recipient_canonical_map_entries'] = {}
 default['postfix']['access_db_type'] = 'hash'
 default['postfix']['aliases_db_type'] = 'hash'
 default['postfix']['transport_db_type'] = 'hash'

recipes/_common.rb

@@ -109,6 +109,25 @@ unless node['postfix']['smtp_generic_map_entries'].empty?
   end
 end
 
+execute 'update-postfix-recipient_canonical' do
+  command "postmap #{node['postfix']['conf_dir']}/recipient_canonical"
+  action :nothing
+end
+
+unless node['postfix']['recipient_canonical_map_entries'].empty?
+  template "#{node['postfix']['conf_dir']}/recipient_canonical" do
+    owner 'root'
+    group node['root_group']
+    mode '0644'
+    notifies :run, 'execute[update-postfix-recipient_canonical]'
+    notifies :reload, 'service[postfix]'
+  end
+
+  unless node['postfix']['main'].key?('recipient_canonical_maps')
+    node.normal['postfix']['main']['recipient_canonical_maps'] = "hash:#{node['postfix']['conf_dir']}/recipient_canonical"
+  end
+end
+
 %w( main master ).each do |cfg|
   template "#{node['postfix']['conf_dir']}/#{cfg}.cf" do
     source "#{cfg}.cf.erb"

templates/default/recipient_canonical.erb

@@ -0,0 +1,9 @@
+#
+# Auto-generated by Chef.
+# Local modifications will be overwritten.
+#
+# See man 5 canonical for format
+
+<% node['postfix']['recipient_canonical_map_entries'].each do |name, value| %>
+<%= name %> <%= value %>
+<% end unless node['postfix']['recipient_canonical_map_entries'].nil? %>