chore: add ability to set public service lb

Author: edevosc2c

pgbouncer/Chart.yaml

@@ -2,4 +2,4 @@ apiVersion: v1
 appVersion: "1.18.0"
 description: A Helm chart installing pgbouncer in kubernetes
 name: pgbouncer
-version: 1.11.0
+version: 1.12.0

pgbouncer/templates/service-public.yaml

@@ -0,0 +1,38 @@
+{{- if .Values.servicePublic.enabled }}
+{{- $suffix := default "public" .Values.servicePublic.nameSuffix }}
+{{- $derivedName := printf "%s-%s" (include "pgbouncer.fullname" .) $suffix }}
+{{- $serviceName := default $derivedName .Values.servicePublic.nameOverride | trunc 63 | trimSuffix "-" }}
+apiVersion: v1
+kind: Service
+metadata:
+  name: {{ $serviceName }}
+  labels:
+    app.kubernetes.io/name: {{ template "pgbouncer.name" . }}
+    helm.sh/chart: {{ template "pgbouncer.chart" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+    app.kubernetes.io/managed-by: {{ .Release.Service }}
+  {{- if .Values.servicePublic.annotations }}
+  annotations:
+  {{- toYaml .Values.servicePublic.annotations | nindent 4 }}
+  {{- end }}
+spec:
+  type: {{ default "LoadBalancer" .Values.servicePublic.type }}
+  {{- if .Values.servicePublic.externalTrafficPolicy }}
+  externalTrafficPolicy: {{ .Values.servicePublic.externalTrafficPolicy }}
+  {{- end }}
+  {{- if .Values.servicePublic.loadBalancerSourceRanges }}
+  loadBalancerSourceRanges:
+  {{- toYaml .Values.servicePublic.loadBalancerSourceRanges | nindent 4 }}
+  {{- end }}
+  ports:
+    - port: {{ .Values.servicePublic.port }}
+      targetPort: psql
+      protocol: TCP
+      name: psql
+      {{- if .Values.servicePublic.nodePort }}
+      nodePort: {{ .Values.servicePublic.nodePort }}
+      {{- end }}
+  selector:
+    app.kubernetes.io/name: {{ template "pgbouncer.name" . }}
+    app.kubernetes.io/instance: {{ .Release.Name }}
+{{- end }}

pgbouncer/templates/service.yaml

@@ -8,7 +8,7 @@ metadata:
     app.kubernetes.io/instance: {{ .Release.Name }}
     app.kubernetes.io/managed-by: {{ .Release.Service }}
   {{- if .Values.service.annotations }}
-  annotations: 
+  annotations:
   {{- toYaml .Values.service.annotations | nindent 4 }}
   {{- end }}
 spec:

pgbouncer/values.yaml

@@ -89,11 +89,23 @@ image:
 service:
   type: ClusterIP
   port: 5432
+  annotations: {}
+  loadBalancerSourceRanges: []
   # Set to local if want to preserve source IP for NodePort or LoadBalancer
   # externalTrafficPolicy: Cluster
   # nodePort: 30543 # when type NodePort
+
+## Optional second Service (e.g., internet-facing LoadBalancer)
+servicePublic:
+  enabled: false
+  nameSuffix: public
+  type: LoadBalancer
+  port: 5432
   annotations: {}
   loadBalancerSourceRanges: []
+  # Set to local if want to preserve source IP for NodePort or LoadBalancer
+  # externalTrafficPolicy: Local
+  # nodePort: 30543 # when type NodePort
 
 ## Labels to add to the pod metadata
 ##
@@ -260,4 +272,4 @@ serviceAccount:
   name: ""
   ## Annotations for created ServiceAccount
   ##
-  annotations: {}
+  annotations: {}