Add feature to add default labels to all resources (#62)

Fixes #41 
Thanks to @mhartmann-jaconi for the Helm changes in #42

helm/kubernetes-operator/templates/_helpers.tpl

@@ -40,6 +40,11 @@ helm.sh/chart: {{ include "kubernetes-operator.chart" . }}
 app.kubernetes.io/version: {{ .Chart.AppVersion | quote }}
 {{- end }}
 app.kubernetes.io/managed-by: {{ .Release.Service }}
+{{- if .Values.general.labels }}
+{{- range $key, $val := .Values.general.labels }}
+{{ $key }}: "{{ $val }}"
+{{- end }}
+{{- end }}
 {{- end }}
 
 {{/*

helm/kubernetes-operator/templates/deployment.yaml

@@ -66,6 +66,13 @@ spec:
           {{- if .Values.routingClientImage }}
           - --netbird-client-image={{.Values.routingClientImage}}
           {{- end }}
+          {{- if .Values.general.labels }}
+          {{- $list := list }}
+          {{- range $k, $v := .Values.general.labels }}
+          {{- $list = append $list (printf "%s=%s" $k $v) }}
+          {{- end }}
+          - --default-labels="{{ join ", " $list }}"
+          {{- end }}
           ports:
             - name: webhook-server
               containerPort: {{ .Values.webhook.service.port }}

helm/kubernetes-operator/values.yaml

@@ -198,3 +198,9 @@ netbirdAPI: {}
   #  key: "NB_API_KEY"
   
 #routingClientImage: "netbirdio/netbird:latest"  
+
+general:
+  # General labels, applied to all created K8s resources
+  labels: {}
+    # acme_com_managed_by: platform-engineering
+    # acme_com_owned_by: release-engineering