From f86870ec3a817257b657ad5e25a2841e44873d43 Mon Sep 17 00:00:00 2001
From: Ludovic Cartier <ludovic.cartier@alterwayfr>
Date: Mon, 31 May 2021 14:44:26 +0200
Subject: [PATCH] mongosb - move secret to dedicated file

---
 tasks/mongodb_exporter.yml                             | 10 ++++++++++
 templates/conf/mongodb-exporter.conf.j2                |  6 ++++++
 .../systemd/prometheus-mongodb-exporter.service.j2     |  7 ++-----
 3 files changed, 18 insertions(+), 5 deletions(-)
 create mode 100644 templates/conf/mongodb-exporter.conf.j2

diff --git a/tasks/mongodb_exporter.yml b/tasks/mongodb_exporter.yml
index 5d0d98c..46612ad 100644
--- a/tasks/mongodb_exporter.yml
+++ b/tasks/mongodb_exporter.yml
@@ -38,6 +38,16 @@
   notify:
     - 'prometheus | mongodb exporter | restart service'
 
+- name: 'prometheus | mongodb exporter | configuration'
+  template:
+    src: conf/mongodb-exporter.conf.j2
+    dest: /etc/mongodb-exporter.conf
+    owner: root
+    group: root
+    mode: 0600
+  notify:
+    - 'prometheus | mongodb exporter | restart service'
+
 - name: 'prometheus | mongodb exporter | configure systemd to use service'
   systemd:
     daemon_reload: yes
diff --git a/templates/conf/mongodb-exporter.conf.j2 b/templates/conf/mongodb-exporter.conf.j2
new file mode 100644
index 0000000..a4585ae
--- /dev/null
+++ b/templates/conf/mongodb-exporter.conf.j2
@@ -0,0 +1,6 @@
+# {{ ansible_managed }}
+{% if (prometheus_mongodb_exporter_user is defined) and (prometheus_mongodb_exporter_pass is defined) %}
+MONGODB_URI=mongodb://{{ prometheus_mongodb_exporter_user }}:{{ prometheus_mongodb_exporter_pass }}@{{ prometheus_mongodb_exporter_host|default("localhost") }}:{{ prometheus_mongodb_exporter_port|default("27017") }}/{{ prometheus_mongodb_exporter_database|default("admin") }}
+{% else %}
+MONGODB_URI=mongodb://{{ prometheus_mongodb_exporter_host|default("localhost") }}:{{ prometheus_mongodb_exporter_port|default("27017") }}/{{ prometheus_mongodb_exporter_database|default("admin") }}
+{% endif %}
diff --git a/templates/systemd/prometheus-mongodb-exporter.service.j2 b/templates/systemd/prometheus-mongodb-exporter.service.j2
index 12454af..50839ca 100644
--- a/templates/systemd/prometheus-mongodb-exporter.service.j2
+++ b/templates/systemd/prometheus-mongodb-exporter.service.j2
@@ -4,11 +4,8 @@ After=network.target
 
 [Service]
 Type=simple
-{% if (prometheus_mongodb_exporter_user is defined) and (prometheus_mongodb_exporter_pass is defined) %}
-ExecStart=/usr/local/bin/prometheus-mongodb-exporter --mongodb.uri=mongodb://{{ prometheus_mongodb_exporter_user }}:{{ prometheus_mongodb_exporter_pass }}@{{ prometheus_mongodb_exporter_host|default("localhost") }}:{{ prometheus_mongodb_exporter_port|default("27017") }}/{{ prometheus_mongodb_exporter_database|default("admin") }}
-{% else %}
-ExecStart=/usr/local/bin/prometheus-mongodb-exporter --mongodb.uri=mongodb://{{ prometheus_mongodb_exporter_host|default("localhost") }}:{{ prometheus_mongodb_exporter_port|default("27017") }}/{{ prometheus_mongodb_exporter_database|default("admin") }}
-{% endif %}
+ExecStart=/usr/local/bin/prometheus-mongodb-exporter
+EnvironmentFile=/etc/mongodb-exporter.conf
 
 [Install]
 WantedBy=multi-user.target