feat: Add Service on top of operators (#534)

* feat: Add product-operator Service

* yamllint

Author: sbernauer

template/deploy/helm/[[operator]]/templates/deployment.yaml.j2

@@ -56,6 +56,18 @@ spec:
                 fieldRef:
                   fieldPath: metadata.annotations['internal.stackable.tech/image']
 
+            # Namespace the operator Pod is running in, e.g. used to construct the conversion
+            # webhook endpoint.
+            - name: OPERATOR_NAMESPACE
+              valueFrom:
+                fieldRef:
+                  fieldPath: metadata.namespace
+
+            # The name of the Kubernetes Service that point to the operator Pod, e.g. used to
+            # construct the conversion webhook endpoint.
+            - name: OPERATOR_SERVICE_NAME
+              value: {{ include "operator.fullname" . }}
+
             # Operators need to know the node name they are running on, to e.g. discover the
             # Kubernetes domain name from the kubelet API.
             - name: KUBERNETES_NODE_NAME

template/deploy/helm/[[operator]]/templates/service.yaml

@@ -0,0 +1,19 @@
+
+---
+apiVersion: v1
+kind: Service
+metadata:
+  # Note(@sbernauer): We could also call the Service something like
+  # "product-operator-conversion-webhook". However, in the future we will have more webhooks, and
+  # it seems like an overkill to have a dedicated Service per webhook.
+  name: {{ include "operator.fullname" . }}
+  labels:
+    {{- include "operator.labels" . | nindent 4 }}
+spec:
+  selector:
+    {{- include "operator.selectorLabels" . | nindent 6 }}
+  ports:
+    - name: conversion-webhook
+      protocol: TCP
+      port: 8443
+      targetPort: 8443