From efb9fa9194ff5f70fe027b945787cbc34293db05 Mon Sep 17 00:00:00 2001
From: Johannes Christ <jc@jchri.st>
Date: Mon, 26 Aug 2024 17:49:22 +0200
Subject: Install prometheus-postfix-exporter

As a data-obsessed administrator I want to have more data such that I
can widen my sense of power.

This also installs rsyslog, because prometheus-postfix-exporter doesn't
work with journald's binary log format.
---
 ansible/host_vars/lovelace/prometheus.yml                | 7 +++++++
 ansible/playbook.yml                                     | 1 +
 ansible/roles/prometheus-postfix-exporter/meta/main.yml  | 3 +++
 ansible/roles/prometheus-postfix-exporter/tasks/main.yml | 7 +++++++
 4 files changed, 18 insertions(+)
 create mode 100644 ansible/roles/prometheus-postfix-exporter/meta/main.yml
 create mode 100644 ansible/roles/prometheus-postfix-exporter/tasks/main.yml

(limited to 'ansible')

diff --git a/ansible/host_vars/lovelace/prometheus.yml b/ansible/host_vars/lovelace/prometheus.yml
index 6dc92e2..68709f0 100644
--- a/ansible/host_vars/lovelace/prometheus.yml
+++ b/ansible/host_vars/lovelace/prometheus.yml
@@ -55,6 +55,13 @@ prometheus_configuration: |
           - {{ hostvars[host]['ansible_wg0']['ipv4']['address'] }}:9187
           {%- endfor %}
 
+    - job_name: postfix
+      static_configs:
+        - targets:
+          {%- for host in groups['mail'] %}
+          - {{ hostvars[host]['ansible_wg0']['ipv4']['address'] }}:9154
+          {%- endfor %}
+
     - job_name: blackbox-ssh
       metrics_path: /probe
       params:
diff --git a/ansible/playbook.yml b/ansible/playbook.yml
index 1ac0c05..dd1e18d 100644
--- a/ansible/playbook.yml
+++ b/ansible/playbook.yml
@@ -26,6 +26,7 @@
     - dovecot
     - spamassassin
     - postfix
+    - prometheus-postfix-exporter
 
 - name: Deploy our monitoring stack
   hosts: monitoring
diff --git a/ansible/roles/prometheus-postfix-exporter/meta/main.yml b/ansible/roles/prometheus-postfix-exporter/meta/main.yml
new file mode 100644
index 0000000..23db107
--- /dev/null
+++ b/ansible/roles/prometheus-postfix-exporter/meta/main.yml
@@ -0,0 +1,3 @@
+---
+dependencies:
+  - postfix
diff --git a/ansible/roles/prometheus-postfix-exporter/tasks/main.yml b/ansible/roles/prometheus-postfix-exporter/tasks/main.yml
new file mode 100644
index 0000000..f2ad903
--- /dev/null
+++ b/ansible/roles/prometheus-postfix-exporter/tasks/main.yml
@@ -0,0 +1,7 @@
+---
+- name: Install prometheus-postfix-exporter
+  package:
+    name: prometheus-postfix-exporter
+    state: present
+  tags:
+    - role::prometheus-postfix-exporter
-- 
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