offset topic replication factor as variable

Author: yaman

main.tf

@@ -291,7 +291,7 @@ resource "kubernetes_stateful_set" "kafka" {
           }
           env {
             name  = "KAFKA_OFFSETS_TOPIC_REPLICATION_FACTOR"
-            value = "3"
+            value = "${var.offset_topic_replication_factor}"
           }
           env {
             name  = "KAFKA_ZOOKEEPER_CONNECT"

variables.tf

@@ -1,4 +1,5 @@
 variable "namespace" {}
 variable "kafka_name" {}
 variable "cluster_size" {}
+variable "offset_topic_replication_factor" {}
 variable "zookeeper_cluster_size" {}