Merge pull request #8 from vistaprint/feature/use-provided-log-group-name

Provide log group name

Author: xorxsan

cluster.tf

@@ -25,7 +25,7 @@ resource "aws_eks_cluster" "cluster" {
 }
 
 resource "aws_cloudwatch_log_group" "control_plane_logs" {
-  name              = "/aws/eks/${var.cluster_name}/cluster"
+  name              = "/aws/eks/${local.log_group_name}/cluster"
   retention_in_days = 30
 
   tags = var.tags

examples/basic/cluster.tf

@@ -4,6 +4,7 @@ module "cluster" {
   cluster_name       = "simple-eks-integration-test"
   cluster_version    = "1.18"
   vpc_name           = var.vpc_name
+  log_group_name     = "a-test-log-group-name"
 
   region  = var.aws_region
   profile = var.aws_profile

locals.tf

@@ -0,0 +1,3 @@
+locals {
+  log_group_name = var.log_group_name == null ? var.cluster_name : var.log_group_name
+}

variables.tf

@@ -10,6 +10,13 @@ variable "cluster_name" {
   type = string
 }
 
+# If this variable is an empty string, the
+# log group name will be var.cluster_name
+variable "log_group_name" {
+  type    = string
+  default = null
+}
+
 variable "cluster_version" {
   type = string
 }