From 35fb88969a6cb85d8ba7541820acf3b0ff891055 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Mon, 31 May 2021 22:41:50 +0200
Subject: prometheus: initial node exporter role

---
 .../prometheus/exporter/node/tasks/main.yml        | 36 ++++++++++++++++++++--
 1 file changed, 33 insertions(+), 3 deletions(-)

(limited to 'roles/monitoring/prometheus/exporter/node/tasks')

diff --git a/roles/monitoring/prometheus/exporter/node/tasks/main.yml b/roles/monitoring/prometheus/exporter/node/tasks/main.yml
index 0758eb3f..694dafb0 100644
--- a/roles/monitoring/prometheus/exporter/node/tasks/main.yml
+++ b/roles/monitoring/prometheus/exporter/node/tasks/main.yml
@@ -1,9 +1,39 @@
 ---
+- name: check if prometheus apt component of spreadspace repo is enabled
+  assert:
+    msg: "please enable the 'prometheus' component of spreadspace repo using 'spreadspace_apt_repo_components'"
+    that:
+    - spreadspace_apt_repo_components is defined
+    - "'prometheus' in spreadspace_apt_repo_components"
+
 - name: install apt packages
   apt:
     name: prom-exporter-node
     state: present
 
-## TODO:
-## - systemd service unit
-## - add snippet to exporter-exporter config-dir
+- name: create directory for textfile collector
+  file:
+    path: /var/lib/prometheus-node-exporter/textfile-collector
+    state: directory
+
+- name: generate systemd service unit
+  template:
+    src: service.j2
+    dest: /etc/systemd/system/prometheus-node-exporter.service
+  notify: restart prometheus-node-exporter
+
+- name: make sure prometheus-exporter-exporter is enabled and started
+  systemd:
+    name: prometheus-node-exporter.service
+    daemon_reload: yes
+    state: started
+    enabled: yes
+
+- name: register exporter
+  copy:
+    content: |
+      method: http
+      http:
+        port: 9100
+    dest: /etc/prometheus/exporter/enabled/node.yml
+  notify: reload prometheus-exporter-exporter
-- 
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