From 44bb015c2e6df7947c27f6cecf31c47a1f3a91dc Mon Sep 17 00:00:00 2001
From: "Jonas Brand (8R0WNI3)" <j.brand@sap.com>
Date: Wed, 1 Apr 2026 08:14:58 +0200
Subject: [PATCH] Remove Ingress/Nginx leftovers

After having migrated to the Kubernetes Gateway API (see
https://github.com/open-component-model/prometheus/pull/18), those
resources are not required anymore.

Signed-off-by: Jonas Brand (8R0WNI3) <j.brand@sap.com>
---
 .../templates/ingress.yaml                    | 32 -------------------
 .../templates/servicemonitors.yaml            | 15 ---------
 extension-definitions.yaml                    | 21 ------------
 3 files changed, 68 deletions(-)
 delete mode 100644 charts/prometheus-operator/templates/ingress.yaml

diff --git a/charts/prometheus-operator/templates/ingress.yaml b/charts/prometheus-operator/templates/ingress.yaml
deleted file mode 100644
index 848a1d8..0000000
--- a/charts/prometheus-operator/templates/ingress.yaml
+++ /dev/null
@@ -1,32 +0,0 @@
-{{- if default dict .Values.ingress }}
-apiVersion: networking.k8s.io/v1
-kind: Ingress
-metadata:
-  name: prometheus
-  namespace: {{ .Values.target_namespace | default .Release.Namespace }}
-  annotations:
-    {{- range $annotation, $value := default dict .Values.ingress.annotations }}
-    {{ $annotation }}: {{ $value }}
-    {{- end }}
-spec:
-  ingressClassName: {{ default "nginx" .Values.ingress.class }}
-  rules:
-  {{- range $host := .Values.ingress.hosts }}
-    - host: {{ $host }}
-      http:
-        paths:
-          - path: /
-            pathType: Prefix
-            backend:
-              service:
-                name: prometheus-operated
-                port:
-                  number: 9090
-  {{- end }}
-  tls:
-    - hosts:
-      {{- range $host := .Values.ingress.hosts }}
-        - "{{ $host }}"
-      {{- end }}
-      secretName: prometheus-tls
-{{- end }}
diff --git a/charts/prometheus-operator/templates/servicemonitors.yaml b/charts/prometheus-operator/templates/servicemonitors.yaml
index c48efe1..6ab5431 100644
--- a/charts/prometheus-operator/templates/servicemonitors.yaml
+++ b/charts/prometheus-operator/templates/servicemonitors.yaml
@@ -15,21 +15,6 @@ spec:
 ---
 apiVersion: monitoring.coreos.com/v1
 kind: ServiceMonitor
-metadata:
-  name: nginx-ingress-controller
-  namespace: {{ .Values.target_namespace | default .Release.Namespace }}
-  labels:
-    app: prometheus
-spec:
-  selector:
-    matchLabels:
-      app.kubernetes.io/name: nginx-ingress-controller
-  endpoints:
-    - port: metrics
-      interval: 15s
----
-apiVersion: monitoring.coreos.com/v1
-kind: ServiceMonitor
 metadata:
   name: envoy-gateway
   namespace: {{ .Values.target_namespace | default .Release.Namespace }}
diff --git a/extension-definitions.yaml b/extension-definitions.yaml
index ceec0f3..782f561 100644
--- a/extension-definitions.yaml
+++ b/extension-definitions.yaml
@@ -16,27 +16,6 @@ installation:
       helm_attribute: host
       value: prometheus.${base_url}
       value_type: python-string-template
-    - helm_chart_name: prometheus-operator
-      helm_attribute: ingress.annotations."cert.gardener.cloud/purpose"
-      value: managed
-      value_type: literal
-    - helm_chart_name: prometheus-operator
-      helm_attribute: ingress.annotations."dns.gardener.cloud/class"
-      value: garden
-      value_type: literal
-    - helm_chart_name: prometheus-operator
-      helm_attribute: ingress.annotations."dns.gardener.cloud/dnsnames"
-      value: '"*"'
-      value_type: literal
-    - helm_chart_name: prometheus-operator
-      helm_attribute: ingress.hosts
-      value:
-        - prometheus.${base_url}
-      value_type: python-string-template
-    - helm_chart_name: prometheus-operator
-      helm_attribute: ingress.class
-      value: nginx-${target_namespace}
-      value_type: python-string-template
     - helm_chart_name: prometheus-operator
       helm_attribute: rbac.annotations."resources.gardener.cloud/keep-object"
       value: '"${keep_clusterwide_objects}"'