configuration for additional stats

modules/firehose/main.tf

@@ -594,8 +594,20 @@ resource "aws_cloudwatch_metric_stream" "cloudwatch_metric_stream" {
   dynamic "include_filter" {
     for_each = var.include_metric_stream_filter
     content {
-      namespace    = include_filter.value["namespace"]
-      metric_names = include_filter.value["metric_names"]
+      namespace    = include_filter.value.namespace
+      metric_names = include_filter.value.metric_names
+    }
+  }
+
+  dynamic "statistics_configuration" {
+    for_each = var.metric_statistics_configurations
+    content {
+      additional_statistics = statistics_configuration.value.additional_statistics
+
+      include_metric {
+        metric_name = statistics_configuration.value.metric_name
+        namespace   = statistics_configuration.value.namespace
+      }
     }
   }
 }

modules/firehose/variables.tf

@@ -34,6 +34,16 @@ variable "include_metric_stream_filter" {
   default = []
 }
 
+variable "metric_statistics_configurations" {
+  description = "For each entry, specify one or more metrics (metric_name and namespace) and the list of additional statistics to stream for those metrics. Each configuration of metric name and namespace can have a list of additional_statistics included into the AWS CloudWatch Metric Stream."
+  type = list(object({
+    additional_statistics = list(string)
+    metric_name           = string
+    namespace             = string
+  }))
+  default = []
+}
+
 variable "enable_cloudwatch_metricstream" {
   description = "Should be true if you want to create a new Cloud Watch metric stream and attach it to Firehose"
   type        = bool