Adds test for systemd

.travis.yml

@@ -10,6 +10,8 @@ env:
     - MOLECULE_DISTRO: centos6
       MOLECULE_PLAYBOOK: playbook-source-install.yml
     - MOLECULE_DISTRO: ubuntu1804
+    - MOLECULE_DISTRO: ubuntu1604
+      CERTBOT_AUTO_RENEW_SYSTEMD: true
     - MOLECULE_DISTRO: ubuntu1604
     - MOLECULE_DISTRO: ubuntu1404
       MOLECULE_PLAYBOOK: playbook-source-install.yml

molecule/default/playbook.yml

@@ -5,6 +5,7 @@
 
   vars:
     certbot_auto_renew_user: root
+    certbot_auto_renew_systemd: "{{ lookup('env', 'CERTBOT_AUTO_RENEW_SYSTEMD') }}"
 
   pre_tasks:
     - name: Update apt cache.

tasks/systemd.yml

@@ -1,13 +1,25 @@
 ---
 
+- name: Get absolute path of certbot executable
+  command: "which {{ certbot_script }}"
+  register: certbot_script_absolute
+  changed_when: false
+
 - name: Create certbot-renew service
   template:
     src: certbot-renew.service.j2
     dest: /etc/systemd/system/certbot-renew.service
   notify: certbot restart renew timer
+  vars:
+    certbot_script_path: "{{ certbot_script_absolute.stdout }}"
 
 - name: Create certbot-renew timer
   template:
     src: certbot-renew.timer.j2
     dest: /etc/systemd/system/certbot-renew.timer
   notify: certbot restart renew timer
+
+- name: Start certbot-renew timer
+  systemd:
+    name: certbot-renew.timer
+    state: started

templates/certbot-renew.service.j2

@@ -4,6 +4,6 @@ Description=Let's Encrypt renewal service
 [Service]
 User={{ certbot_auto_renew_user }}
 Type=oneshot
-ExecStart={{ certbot_script }} renew --quiet --agree-tos
+ExecStart={{ certbot_script_path }} renew {{ certbot_auto_renew_options }}
 
 ExecStartPost=/bin/systemctl reload {{ certbot_web_service }}.service