enable https on elasticsearch nodes that support it

salt/telegraf/etc/telegraf.conf

@@ -625,7 +625,8 @@
    servers = ["http://{{ MANAGER }}:9200"]
 {% elif grains['role'] in ['so-node', 'so-hotnode', 'so-warmnode', 'so-heavynode']  %}
  [[inputs.elasticsearch]]
-   servers = ["http://{{ NODEIP }}:9200"]
+   servers = ["https://{{ NODEIP }}:9200"]
+   insecure_skip_verify = true
 {% endif %}
 
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