metricbeat beat stats metricset fetch failure_store metric

Author: leehinman

docs/reference/metricbeat/exported-fields-beat.md

@@ -1074,6 +1074,12 @@ Beat module
     alias to: beat.stats.libbeat.output.events.failed
 
 
+**`beats_stats.metrics.libbeat.output.events.failure_store`**
+:   type: alias
+
+    alias to: beat.stats.libbeat.output.events.failure_store
+
+
 **`beats_stats.metrics.libbeat.output.events.toomany`**
 :   type: alias
 

metricbeat/module/beat/_meta/fields.yml

@@ -717,6 +717,9 @@
                         - name: failed
                           type: alias
                           path: beat.stats.libbeat.output.events.failed
+                        - name: failure_store
+                          type: alias
+                          path: beat.stats.libbeat.output.events.failure_store
                         - name: toomany
                           type: alias
                           path: beat.stats.libbeat.output.events.toomany

metricbeat/module/beat/fields.go

@@ -55,6 +55,7 @@
         "dropped": 0,
         "duplicates": 0,
         "failed": 0,
+        "failure_store": 0,
         "toomany": 0,
         "total": 0
       },