From 31cce0e0219a77bfc68bfd6bc18b6e479aa3f99f Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Wed, 20 Dec 2023 18:47:22 +0100
Subject: add monitoring for mosquitto

---
 .../prometheus/exporter/mosquitto/tasks/main.yml   | 44 ++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 roles/monitoring/prometheus/exporter/mosquitto/tasks/main.yml

(limited to 'roles/monitoring/prometheus/exporter/mosquitto/tasks/main.yml')

diff --git a/roles/monitoring/prometheus/exporter/mosquitto/tasks/main.yml b/roles/monitoring/prometheus/exporter/mosquitto/tasks/main.yml
new file mode 100644
index 00000000..0a035c3d
--- /dev/null
+++ b/roles/monitoring/prometheus/exporter/mosquitto/tasks/main.yml
@@ -0,0 +1,44 @@
+---
+- name: generate apt pin file for exporter-mosquitto package
+  when: prometheus_exporter_mosquitto_version is defined
+  copy:
+    dest: "/etc/apt/preferences.d/prom-exporter-mosquitto.pref"
+    content: |
+      Package: prom-exporter-mosquitto
+      Pin: version {{ prometheus_exporter_mosquitto_version }}-1
+      Pin-Priority: 1001
+
+- name: remove apt pin file for exporter-mosquitto package
+  when: prometheus_exporter_mosquitto_version is not defined
+  file:
+    path: "/etc/apt/preferences.d/prom-exporter-mosquitto.pref"
+    state: absent
+
+- name: install apt packages
+  apt:
+    name: "prom-exporter-mosquitto{% if prometheus_exporter_mosquitto_version is defined %}={{ prometheus_exporter_mosquitto_version }}-1{% endif %}"
+    state: present
+    allow_downgrade: yes
+  notify: restart prometheus-mosquitto-exporter
+
+- name: generate systemd service unit
+  template:
+    src: service.j2
+    dest: /etc/systemd/system/prometheus-mosquitto-exporter.service
+  notify: restart prometheus-mosquitto-exporter
+
+- name: make sure prometheus-mosquitto-exporter is enabled and started
+  systemd:
+    name: prometheus-mosquitto-exporter.service
+    daemon_reload: yes
+    state: started
+    enabled: yes
+
+- name: register exporter
+  copy:
+    content: |
+      location = /mosquitto {
+          proxy_pass http://127.0.0.1:9234/metrics;
+      }
+    dest: /etc/prometheus/exporter/mosquitto.locations
+  notify: reload nginx
-- 
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