From 41ceac6d579de7ca5a8555d42ddc4548c41c5232 Mon Sep 17 00:00:00 2001
From: Jim Martens <github@2martens.de>
Date: Thu, 2 Nov 2023 00:02:27 +0100
Subject: [PATCH] Added prometheus support to template

---
 helm/template/Chart.yaml                 |  4 ++--
 helm/template/_values.yaml               |  3 +++
 helm/template/templates/_deployment.yaml | 10 ++++++++++
 3 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/helm/template/Chart.yaml b/helm/template/Chart.yaml
index eb141cf..e67e364 100644
--- a/helm/template/Chart.yaml
+++ b/helm/template/Chart.yaml
@@ -2,7 +2,7 @@ apiVersion: v2
 name: template
 description: A Helm library chart containing common templates, keeping application templates short
 type: library
-version: 0.1.16
+version: 0.1.17
 maintainers:
   - name: Jim Martens
     url: https://2martens.de
@@ -11,7 +11,7 @@ sources:
 annotations:
   artifacthub.io/changes: |
     - kind: added
-      description: Added revisionHistoryLimit config
+      description: Added prometheus support
   artifacthub.io/signKey: |
     fingerprint: F0F153B65BAD467201D7544E47393ABD1F96B7C8
     url: https://mafiasi.de/pks/key/47393ABD1F96B7C8.asc
diff --git a/helm/template/_values.yaml b/helm/template/_values.yaml
index 5244b31..27f9195 100644
--- a/helm/template/_values.yaml
+++ b/helm/template/_values.yaml
@@ -54,6 +54,9 @@ application:
   profile: prod
   isSpring: true
 
+prometheus:
+  enabled: true
+
 # Overwrite with application specific environment variables
 # Each item has key and value, where the value is parsed as a template
 environment: []
diff --git a/helm/template/templates/_deployment.yaml b/helm/template/templates/_deployment.yaml
index bd456e2..2102984 100644
--- a/helm/template/templates/_deployment.yaml
+++ b/helm/template/templates/_deployment.yaml
@@ -3,6 +3,16 @@ apiVersion: apps/v1
 kind: Deployment
 metadata:
   name: {{ include "template.fullname" . }}
+  annotations:
+    {{- if .Values.prometheus.enabled }}
+    prometheus.io/scrape: "true"
+    {{- if .Values.application.isSpring }}
+    prometheus.io/path: /actuator/prometheus
+    {{- else }}
+    prometheus.io/path: /metrics
+    {{- end }}
+    prometheus.io/port: "{{ .Values.application.actuatorPort }}"
+    {{- end }}
   labels:
     {{- include "template.labels" . | nindent 4 }}
 spec: