From a7ab9ae1d004d966035ca9813dd012c42f575555 Mon Sep 17 00:00:00 2001
From: Alex Szakaly <alex.szakaly@gmail.com>
Date: Thu, 25 Nov 2021 18:18:17 +0100
Subject: [PATCH] Expose Prometheus Metrics Server with k8s Service

To let us able to scrape metrics from the Operator
e.g. with a ServiceMonitor we need to have a Service
which provides named port

close #61

Signed-off-by: Alex Szakaly <alex.szakaly@gmail.com>
---
 helm/install/Chart.yaml             |  2 +-
 helm/install/templates/manager.yaml |  3 +++
 helm/install/templates/service.yaml | 14 ++++++++++++++
 3 files changed, 18 insertions(+), 1 deletion(-)
 create mode 100644 helm/install/templates/service.yaml

diff --git a/helm/install/Chart.yaml b/helm/install/Chart.yaml
index 988ce8d2..0c6fda02 100644
--- a/helm/install/Chart.yaml
+++ b/helm/install/Chart.yaml
@@ -2,5 +2,5 @@ apiVersion: v2
 name: pgo
 description: Installer for PGO, the open source Postgres Operator from Crunchy Data
 type: application
-version: 0.2.3
+version: 0.2.4
 appVersion: 5.0.4
diff --git a/helm/install/templates/manager.yaml b/helm/install/templates/manager.yaml
index 3ca42974..73d27b23 100644
--- a/helm/install/templates/manager.yaml
+++ b/helm/install/templates/manager.yaml
@@ -29,6 +29,9 @@ spec:
         - name: PGO_TARGET_NAMESPACE
           valueFrom: { fieldRef: { apiVersion: v1, fieldPath: metadata.namespace } }
         {{- end }}
+        ports:
+        - containerPort: 8080
+          name: metrics
         securityContext:
           allowPrivilegeEscalation: false
           readOnlyRootFilesystem: true
diff --git a/helm/install/templates/service.yaml b/helm/install/templates/service.yaml
new file mode 100644
index 00000000..57aefd7b
--- /dev/null
+++ b/helm/install/templates/service.yaml
@@ -0,0 +1,14 @@
+apiVersion: v1
+kind: Service
+metadata:
+  labels:
+    {{- include "install.labels" . | nindent 4 }}
+  name: {{ .Chart.Name }}
+spec:
+  ports:
+  - name: metrics
+    port: 9090
+    protocol: TCP
+    targetPort: metrics
+  selector:
+    {{- include "install.crunchyLabels" . | nindent 5 }}