Migrate to common_ prefixed vars

.ansible-lint

@@ -0,0 +1,2 @@
+skip_list:
+  - role-name

.yamllint

@@ -0,0 +1,33 @@
+---
+# Based on ansible-lint config
+extends: default
+
+rules:
+  braces:
+    max-spaces-inside: 1
+    level: error
+  brackets:
+    max-spaces-inside: 1
+    level: error
+  colons:
+    max-spaces-after: -1
+    level: error
+  commas:
+    max-spaces-after: -1
+    level: error
+  comments: disable
+  comments-indentation: disable
+  document-start: disable
+  empty-lines:
+    max: 3
+    level: error
+  hyphens:
+    level: error
+  indentation: disable
+  key-duplicates: enable
+  line-length: disable
+  new-line-at-end-of-file: disable
+  new-lines:
+    type: unix
+  trailing-spaces: disable
+  truthy: disable

tasks/communication.yml

@@ -20,7 +20,7 @@
           }
         - { dest: /etc/postfix/main.cf,
             regexp: "^.?relayhost =",
-            line: "relayhost = {{ relayhost }}"
+            line: "relayhost = {{ common_postfix_relayhost }}"
           }
         - {
             dest: /etc/postfix/main.cf,
@@ -33,11 +33,11 @@
         name: postfix
         state: started
         enabled: yes
-  when: postfix_configure
+  when: common_postfix_configure
 
 - name: Ensure root forwarding address is set
   lineinfile:
     dest: ~/.forward
-    regexp: "{{ root_email }}"
+    regexp: "{{ common_root_email }}"
-    line: "{{ root_email }}"
+    line: "{{ common_root_email }}"
     create: yes