autoset timezone via localtime

If you happen to have a VPN in a different timezone that is set as a
trusted network, things may get a little weird.

group_vars/all

@@ -111,3 +111,6 @@ fingerprint: False
 
 tor:
     run_on: trusted
+
+localtime:
+    run_on: trusted

playbook.yml

@@ -58,6 +58,7 @@
     - { role: calibre, tags: ['calibre'] }
     - { role: aws, tags: ['aws'] }
     - { role: parcimonie, tags: ['parcimonie'], when: "tor is defined" }
+    - { role: localtime, tags: ['localtime'], when: "localtime is defined"  }
   vars_prompt:
     - name: user_password
       prompt: "Enter desired user password"

roles/localtime/tasks/main.yml

@@ -0,0 +1,25 @@
+---
+- name: Install localtime
+  aur: name=localtime-git user={{ user.name }}
+  tags:
+    - aur
+
+- name: Enable and start localtime
+  service: name=localtime enabled=yes state=started
+  when: localtime.run_on == "all"
+
+- name: Remove localtime from trusted unit list
+  lineinfile: dest=/usr/local/etc/trusted_units
+              state=absent
+              line=localtime.service
+  when: localtime.run_on == "all"
+
+- name: Disable localtime
+  service: name=localtime enabled=no
+  when: localtime.run_on == "trusted"
+
+- name: Add localtime to trusted unit list
+  lineinfile: dest=/usr/local/etc/trusted_units
+              state=present
+              line=localtime.service
+  when: localtime.run_on == "trusted"