touch log file if not existent

roles/tor_gateway/tasks/main.yml

@@ -29,6 +29,13 @@
     state: restarted
     daemon_reload: yes
 
+- name: Ensure log file exists
+  file:
+    path: "{{ tor_logfile_path }}"
+    state: touch
+    owner: debian-tor
+    mode: 0644
+
 - name: (Re)start and enable tor service
   service:
     name: tor