Pass extra configuration to launch template userdata (#11)

vistaprint · Nov 7, 2022 · 8dff302 · 8dff302
1 parent dabffcc
commit 8dff302
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Showing 3 changed files with 13 additions and 4 deletions.
diff --git a/data/userdata.tpl b/data/userdata.tpl
@@ -18,4 +18,6 @@ set -ex
     ${bootstrap_extra_args} \
     '${cluster_name}'
 
+${launch_template_custom_userdata}
+
 --//--
diff --git a/launch-template.tf b/launch-template.tf
@@ -76,9 +76,10 @@ resource "aws_launch_template" "worker_nodes" {
   }
 
   user_data = base64encode(templatefile("${path.module}/data/userdata.tpl", {
-    cluster_name               = var.cluster_name
-    cluster_endpoint           = data.aws_eks_cluster.cluster.endpoint
-    certificate_authority_data = data.aws_eks_cluster.cluster.certificate_authority[0].data
-    bootstrap_extra_args       = local.bootstrap_extra_args
+    cluster_name                    = var.cluster_name
+    cluster_endpoint                = data.aws_eks_cluster.cluster.endpoint
+    certificate_authority_data      = data.aws_eks_cluster.cluster.certificate_authority[0].data
+    bootstrap_extra_args            = local.bootstrap_extra_args
+    launch_template_custom_userdata = var.launch_template_custom_userdata
   }))
 }
diff --git a/variables.tf b/variables.tf
@@ -91,3 +91,9 @@ variable "volume_type" {
   type    = string
   default = "gp3"
 }
+
+variable "launch_template_custom_userdata" {
+  type        = string
+  description = "Extra configuration executed after bootstraping the node"
+  default     = ""
+}