feat: Add support for hostNetwork: true to telegraf-ds (#99)

charts/telegraf-ds/templates/daemonset.yaml

@@ -68,3 +68,7 @@ spec:
       - name: config
         configMap:
           name:  {{ include "telegraf.fullname" . }}
+      hostNetwork: {{ default .Values.hostNetwork  false }}
+      {{- if .Values.dnsPolicy }}
+      dnsPolicy: {{ .Values.dnsPolicy }}
+      {{- end }}

charts/telegraf-ds/values.yaml

@@ -40,6 +40,13 @@ env:
 ##
 tolerations: []
 
+## If the DaemonSet should run on the host's network namespace
+## hostNetwork: true
+
+## If using hostNetwork=true, set dnsPolicy to ClusterFirstWithHostNet
+## ref: https://kubernetes.io/docs/concepts/services-networking/dns-pod-service/#
+## dnsPolicy: ClusterFirstWithHostNet
+
 rbac:
   # Specifies whether RBAC resources should be created
   create: true