feat: add transport map

CHANGELOG.md

@@ -12,6 +12,7 @@ Which is based on [Keep A Changelog](http://keepachangelog.com/)
 ### Added
 
 - feat: add bsd-mailx package
+- feat: add transport map
 
 ### Changed
 

README.md

@@ -31,6 +31,12 @@ Install and configure an simple mta with postfix
   inet_protocols: all
 ```
 
+* `postfix_transports` - hash with the transport configuration
+
+```
+  google.com: smtp:127.0.0.1
+```
+
 ## How to use
 
 ```

defaults/main.yml

@@ -18,3 +18,4 @@ postfix_default_config:
   inet_interfaces: localhost
   inet_protocols: all
 postfix_full_config: '{{ postfix_default_config|combine(postfix_config) }}'
+postfix_transports: {}

handlers/main.yml

@@ -3,3 +3,6 @@
   ansible.builtin.service:
     name: postfix
     state: reloaded
+
+- name: map transport
+  ansible.builtin.command: postmap /etc/postfix/transport

tasks/main.yml

@@ -16,6 +16,16 @@
   notify: reload postfix
   tags: postfix
 
+- name: copy transport configuration
+  template:
+    src: transport.j2
+    dest: /etc/postfix/transport
+    owner: root
+    group: root
+    mode: 0644
+  notify: map transport
+  tags: postfix
+
 - name: enable and start service
   ansible.builtin.service:
     name: postfix

templates/transport.j2

@@ -0,0 +1,5 @@
+# {{ ansible_managed }}
+
+{% for domain, transport in postfix_transports.items() %}
+{{ domain }} {{ transport }}
+{% endfor %}