add metrics for es index sizes

salt/telegraf/etc/telegraf.conf

@@ -199,6 +199,20 @@
   username = "{{ ES_USER }}"
   password = "{{ ES_PASS }}"
   insecure_skip_verify = true
+  # Every hour collect current size of all indices
+[[ inputs.elasticsearch ]]
+  servers = ["https://{{ NODEIP }}:9200"]
+  username = "{{ ES_USER }}"
+  password = "{{ ES_PASS }}"
+  insecure_skip_verify = true
+
+  indices_level = "indices"
+  indices_include = ["_all"]
+  # Drop everything except specific field
+  fieldinclude = ["store_size_in_bytes"]
+
+  interval = "1m"
+
 {%- elif grains['role'] in ['so-searchnode']  %}
 [[inputs.elasticsearch]]
   servers = ["https://{{ NODEIP }}:9200"]
@@ -323,3 +337,13 @@
 
 # # Read metrics about network interface usage
  [[inputs.net]]
+
+# Scripts run every 30s||TELEGRAFMERGED.config.interval - ES index script doesn't need to run as frequently
+{%- if grains.role in ['so-standalone', 'so-manager', 'so-managersearch', 'so-heavynode', 'so-eval', 'so-import'] %}
+[[ inputs.exec ]]
+  commands = [
+    "/scripts/esindexsize.sh"
+  ]
+  data_format = "influx"
+  interval = "1h"
+{%- endif %}