make elvis happy again

Author: deadtrickster

src/metrics/prometheus_counter.erl

@@ -351,14 +351,14 @@ key(Registry, Name, LabelValues) ->
 reduce_label_values(MFValues) ->
   lists:foldl(
     fun([Labels, I, F], ResAcc) ->
-	PrevSum = maps:get(Labels, ResAcc, 0),
-	ResAcc#{Labels => PrevSum + I + F}
+        PrevSum = maps:get(Labels, ResAcc, 0),
+        ResAcc#{Labels => PrevSum + I + F}
     end, #{}, MFValues).
 
 serialize_label_values(Fun, Labels, Values) ->
   maps:fold(
     fun(LabelValues, Value, L) ->
-	[Fun(lists:zip(Labels, LabelValues), Value)|L]
+        [Fun(lists:zip(Labels, LabelValues), Value)|L]
     end, [], Values).
 
 create_counter(Name, Help, Data) ->

src/metrics/prometheus_histogram.erl

@@ -362,22 +362,7 @@ value(Registry, Name, LabelValues) ->
 values(Registry, Name) ->
   case prometheus_metric:check_mf_exists(?TABLE, Registry, Name) of
     false -> [];
-    MF ->
-      DU = prometheus_metric:mf_duration_unit(MF),
-      Labels = prometheus_metric:mf_labels(MF),
-      Bounds = prometheus_metric:mf_data(MF),
-
-      MFValues = load_all_values(Registry, Name, Bounds),
-      LabelValuesMap = reduce_label_values(MFValues),
-      maps:fold(
-        fun(LabelValues, [ISum, FSum | BCounters], L) ->
-            Bounds1 = lists:zipwith(fun(Bound, Bucket) ->
-                                        {Bound, Bucket}
-                                    end,
-                                    Bounds, BCounters),
-            [{lists:zip(Labels, LabelValues),  Bounds1,
-              prometheus_time:maybe_convert_to_du(DU, ISum + FSum)}|L]
-        end, [], LabelValuesMap)
+    MF -> mf_values(Registry, Name, MF)
   end.
 
 %% @equiv buckets(default, Name, [])
@@ -419,7 +404,7 @@ collect_metrics(Name, {CLabels, Labels, Registry, DU, Bounds}) ->
   LabelValuesMap = reduce_label_values(MFValues),
   maps:fold(
     fun(LabelValues, Stat, L) ->
-	[create_histogram_metric(CLabels, Labels, DU, Bounds, LabelValues, Stat)|L]
+        [create_histogram_metric(CLabels, Labels, DU, Bounds, LabelValues, Stat)|L]
     end, [], LabelValuesMap).
 
 %%====================================================================
@@ -568,11 +553,28 @@ key(Registry, Name, LabelValues) ->
 reduce_label_values(MFValues) ->
   lists:foldl(
     fun([Labels | V], ResAcc) when is_map_key(Labels, ResAcc) ->
-	PrevSum = maps:get(Labels, ResAcc),
-	ResAcc#{Labels => [lists:sum(C) || C <- transpose([PrevSum, V])]};
+        PrevSum = maps:get(Labels, ResAcc),
+        ResAcc#{Labels => [lists:sum(C) || C <- transpose([PrevSum, V])]};
        ([Labels | V], ResAcc) ->
-	ResAcc#{Labels => V}
+        ResAcc#{Labels => V}
     end, #{}, MFValues).
 
+mf_values(Registry, Name, MF) ->
+  DU = prometheus_metric:mf_duration_unit(MF),
+  Labels = prometheus_metric:mf_labels(MF),
+  Bounds = prometheus_metric:mf_data(MF),
+
+  MFValues = load_all_values(Registry, Name, Bounds),
+  LabelValuesMap = reduce_label_values(MFValues),
+  maps:fold(
+    fun(LabelValues, [ISum, FSum | BCounters], L) ->
+        Bounds1 = lists:zipwith(fun(Bound, Bucket) ->
+                                    {Bound, Bucket}
+                                end,
+                                Bounds, BCounters),
+        [{lists:zip(Labels, LabelValues),  Bounds1,
+          prometheus_time:maybe_convert_to_du(DU, ISum + FSum)}|L]
+    end, [], LabelValuesMap).
+
 create_histogram(Name, Help, Data) ->
   prometheus_model_helpers:create_mf(Name, Help, histogram, ?MODULE, Data).