Fix kubenetes plugin and deploy only service by default

stable/telegraf/templates/service.yaml

-{{- if gt (len .Values.single.config.outputs.influxdb.urls) 0 }}
 {{- if .Values.single.enabled -}}
 {{- if .Values.single.service.enabled -}}
 apiVersion: v1
@@ -40,5 +39,4 @@ spec:
   selector:
     app: {{ template "fullname" . }}-s
 {{- end -}}
-{{- end -}}
 {{- end -}}
\ No newline at end of file

stable/telegraf/values.yaml

@@ -126,7 +126,7 @@ daemonset:
       swap:
       system:
       kubernetes:
-        url: "http://$NODE_IP:10255"
+        url: "http://$HOSTNAME:10255"
         bearer_token: "/var/run/secrets/kubernetes.io/serviceaccount/token"
         insecure_skip_verify: true