From 3e2017a4ccce69111b81a5f0a36fd9d8ba76c162 Mon Sep 17 00:00:00 2001
From: Scot Wells <wells.scot@gmail.com>
Date: Wed, 18 Mar 2026 15:40:41 -0500
Subject: [PATCH] chore: add metrics service to prometheus component

Include metrics_service.yaml in the prometheus kustomize Component
so that deploying with the prometheus component provides both the
ServiceMonitor and the matching Service for metrics scraping.

Add app.kubernetes.io/name selector to Service and ServiceMonitor
to uniquely target this operator's pods in shared namespaces.
---
 config/default/metrics_service.yaml    |  1 +
 config/prometheus/kustomization.yaml   |  1 +
 config/prometheus/metrics_service.yaml | 18 ++++++++++++++++++
 config/prometheus/monitor.yaml         |  1 +
 4 files changed, 21 insertions(+)
 create mode 100644 config/prometheus/metrics_service.yaml

diff --git a/config/default/metrics_service.yaml b/config/default/metrics_service.yaml
index 13c1970..54f8134 100644
--- a/config/default/metrics_service.yaml
+++ b/config/default/metrics_service.yaml
@@ -15,3 +15,4 @@ spec:
     targetPort: 8443
   selector:
     control-plane: controller-manager
+    app.kubernetes.io/name: workload-operator
diff --git a/config/prometheus/kustomization.yaml b/config/prometheus/kustomization.yaml
index 02c2c54..fa2b701 100644
--- a/config/prometheus/kustomization.yaml
+++ b/config/prometheus/kustomization.yaml
@@ -2,3 +2,4 @@ apiVersion: kustomize.config.k8s.io/v1alpha1
 kind: Component
 resources:
   - monitor.yaml
+  - metrics_service.yaml
diff --git a/config/prometheus/metrics_service.yaml b/config/prometheus/metrics_service.yaml
new file mode 100644
index 0000000..54f8134
--- /dev/null
+++ b/config/prometheus/metrics_service.yaml
@@ -0,0 +1,18 @@
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    control-plane: controller-manager
+    app.kubernetes.io/name: workload-operator
+    app.kubernetes.io/managed-by: kustomize
+  name: controller-manager-metrics-service
+  namespace: system
+spec:
+  ports:
+  - name: https
+    port: 8443
+    protocol: TCP
+    targetPort: 8443
+  selector:
+    control-plane: controller-manager
+    app.kubernetes.io/name: workload-operator
diff --git a/config/prometheus/monitor.yaml b/config/prometheus/monitor.yaml
index 15157ab..1e26e07 100644
--- a/config/prometheus/monitor.yaml
+++ b/config/prometheus/monitor.yaml
@@ -28,3 +28,4 @@ spec:
   selector:
     matchLabels:
       control-plane: controller-manager
+      app.kubernetes.io/name: workload-operator