From e662f8c97d0be0c0b7d98015b1afd5f316d4f828 Mon Sep 17 00:00:00 2001
From: Daniel Ankers <dankers@domicilium.com>
Date: Thu, 12 Oct 2023 17:36:58 +0100
Subject: [PATCH] Prometheus pushgateway for LibreNMS

---
 main.tf | 31 ++++++++++++++++++++++++++++++-
 vars.tf |  2 +-
 2 files changed, 31 insertions(+), 2 deletions(-)

diff --git a/main.tf b/main.tf
index 93c9328..0a0b667 100644
--- a/main.tf
+++ b/main.tf
@@ -250,6 +250,12 @@ server:
     hostname: prometheus.${var.domain_suffix}
   service:
     type: ClusterIP
+  extraScrapeConfigs:
+  - job_name: pushgateway
+    scrape_interval: 300s
+    honor_labels: true
+    static_configs:
+      - targets: ['${helm_release.prometheus_pushgw.name}-${helm_release.prometheus_pushgw.chart}.${helm_release.prometheus_pushgw.namespace}.svc.cluster.local:9091']
 alertmanager:
   service:
     type: ClusterIP
@@ -257,6 +263,29 @@ EOT
   ]
 }
 
+resource "helm_release" "prometheus_pushgw" {
+  name = "prometheus-pushgw"
+  namespace = var.prometheus_namespace
+  repository = "https://prometheus-community.github.io/helm-charts"
+  chart = "prometheus-pushgateway"
+  create_namespace = true
+  values = [
+<<EOT
+ingress:
+  enabled: true
+  hosts:
+  - pushgw.${var.domain_suffix}
+  tls:
+  - secretName: pushgw-tls
+    hosts:
+    - pushgw.${var.domain_suffix}
+persistentVolume:
+  enabled: true
+  storageClass: ${var.storageclass}
+EOT
+  ]
+}
+
 resource "helm_release" "influxdb" {
   name = "influxdb"
   namespace = var.influxdb_namespace
@@ -349,7 +378,7 @@ resource "helm_release" "grafana" {
           url: http://influxdb.${var.influxdb_namespace}.svc.cluster.local:8006
         - name: Prometheus
           type: prometheus
-          url: http://prometheus.${var.prometheus_namespace}.svc.cluster.local
+          url: http://prometheus-server.${var.prometheus_namespace}.svc.cluster.local
     global:
       storageClass: ${var.storageclass}
     ingress:
diff --git a/vars.tf b/vars.tf
index 2068e60..f52d1be 100644
--- a/vars.tf
+++ b/vars.tf
@@ -70,7 +70,7 @@ variable "proxmox_host_prefix" {
 }
 
 variable "num_routers" {
-    default = "3"
+    default = "0"
 }
 
 variable "template_name" {