inventories/chaosknoten/group_vars/all.yaml

@@ -50,7 +50,10 @@ alloy_config_default: |
   }
 
   prometheus.exporter.unix "local_system" {
-    enable_collectors = ["systemd"]
+    enable_collectors = ["systemd", "textfile"]
+    textfile {
+      directory = "/var/lib/node_exporter_textfile/"
+    }
   }
 
   prometheus.scrape "scrape_metrics" {

inventories/z9/group_vars/all.yaml

@@ -50,7 +50,10 @@ alloy_config_default: |
   }
 
   prometheus.exporter.unix "local_system" {
-    enable_collectors = ["systemd"]
+    enable_collectors = ["systemd", "textfile"]
+    textfile {
+      directory = "/var/lib/node_exporter_textfile/"
+    }
   }
 
   prometheus.scrape "scrape_metrics" {

roles/alloy/tasks/main.yaml

@@ -1,6 +1,14 @@
 ---
 - name: Deploy Grafana Alloy with config
   block:
+    - name: Create directory for node_exporter textfile collector
+      ansible.builtin.file:
+        path: /var/lib/node_exporter_textfile
+        state: directory
+        mode: "0755"
+        owner: root
+        group: root
+
     - name: Install Alloy
       ansible.builtin.include_tasks: install.yaml
 

roles/ansible_pull/templates/ansible-pull.service.j2

@@ -19,5 +19,6 @@ ExecStart=/usr/local/lib/ansible_pull_venv/bin/ansible-pull \
           --inventory "{{ ansible_pull__inventory }}" \
           "{{ ansible_pull__playbook }}"
 User={{ ansible_pull__user }}
+ExecStartPost=/usr/bin/bash -c 'echo "ansible_pull_last_successful_run_timestamp_seconds $(date +%s)" > /var/lib/node_exporter_textfile/ansible_pull.prom.$$; mv /var/lib/node_exporter_textfile/ansible_pull.prom.$$ /var/lib/node_exporter_textfile/ansible_pull.prom'
 # Reboot, if /var/run/reboot-required or /var/run/ansible-reboot-required exist.
 ExecStartPost=/usr/bin/bash -c 'if [ -e /var/run/reboot-required ] || [ -e /var/run/ansible-reboot-required ]; then sudo systemctl reboot; fi'