node_exporter: Enable text collector for OpenBSD

roles/node_exporter/tasks/main.yml

@@ -31,6 +31,15 @@
     group: "{{ ansible_wheel }}"
   notify: Restart node_exporter
 
+- name: Create textfile collector directory
+  ansible.builtin.file:
+    path: /var/db/node-exporter
+    state: directory
+    mode: 0755
+    owner: _nodeexporter
+    group: _nodeexporter
+  when: ansible_os_family == "OpenBSD"
+
 - name: Modify config
   ansible.builtin.lineinfile:
     path: /etc/default/prometheus-node-exporter
@@ -50,7 +59,10 @@
     name: "{{ node_exporter_service }}"
     state: started
     enabled: true
-    arguments: --web.config.file=/etc/node_exporter/web-config.yml
+    arguments: >-
+      --web.config.file=/etc/node_exporter/web-config.yml
+      --collector.textfile.directory /var/db/node-exporter
+  notify: Restart node_exporter
   when: ansible_os_family == "OpenBSD"
 
 - name: Enable service