Enable autorestart

ops/ansible/inventories/legislation.demo.openfisca.org.yml

@@ -26,3 +26,5 @@ all:
 
       letsencrypt_email: contact@openfisca.org
       letsencrypt_environment: production
+
+      autorestart_frequency: "*-*-* 00:10:00"

ops/ansible/inventories/legislation.fr.openfisca.org.yml

@@ -26,3 +26,5 @@ all:
 
       letsencrypt_email: contact@openfisca.org
       letsencrypt_environment: production
+
+      autorestart_frequency: "*-*-* 01:10:00"

ops/ansible/roles/legislation_explorer/defaults/main.yml

@@ -32,3 +32,6 @@ source_dir: legislation-explorer # relative to the home directory
 systemd_service_file_name: legislation-explorer.service
 unix_group_name: openfisca
 unix_user_name: legislation-explorer
+
+systemd_timer_file_name: "{{ systemd_service_file_name | replace('.service', '.timer') }}"
+autorestart_frequency: daily

ops/ansible/roles/legislation_explorer/tasks/main.yml

@@ -67,13 +67,25 @@
         src: systemd/legislation-explorer.service.j2
         dest: "/etc/systemd/system/{{ systemd_service_file_name }}"
 
+    - name: Copy the systemd timer file
+      ansible.builtin.template:
+        src: systemd/legislation-explorer.timer.j2
+        dest: "/etc/systemd/system/{{ systemd_timer_file_name }}"
+
     - name: Enable and start the systemd service
       ansible.builtin.systemd:
         daemon_reload: yes
         enabled: yes
         state: restarted
         name: "{{ systemd_service_file_name }}"
 
+    - name: Enable and start the systemd timer
+      ansible.builtin.systemd:
+        daemon_reload: yes
+        enabled: yes
+        state: started
+        name: "{{ systemd_timer_file_name }}"
+
 - name: Check that Legislation Explorer is actually started
   ansible.builtin.uri:
     return_content: yes

ops/ansible/roles/legislation_explorer/templates/systemd/legislation-explorer.timer.j2

@@ -0,0 +1,10 @@
+[Unit]
+Description=Restart OpenFisca Legislation Explorer
+
+[Timer]
+OnCalendar={{ autorestart_frequency }}
+Persistent=true
+Unit={{ systemd_service_file_name }}
+
+[Install]
+WantedBy=timers.target