CW Agent param ARN not being passed to user-data fix

RaJiska · Nov 14, 2023 · 88346ff · 88346ff
1 parent a851312
commit 88346ff
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Showing 2 changed files with 11 additions and 4 deletions.
diff --git a/ec2.tf b/ec2.tf
@@ -25,6 +25,12 @@ data "aws_ami" "main" {
   }
 }
 
+data "aws_arn" "ssm_param" {
+  count = var.use_cloudwatch_agent && var.cloudwatch_agent_configuration_param_arn != null ? 1 : 0
+
+  arn = var.cloudwatch_agent_configuration_param_arn
+}
+
 resource "aws_launch_template" "main" {
   name          = var.name
   image_id      = local.ami_id
@@ -76,7 +82,7 @@ resource "aws_launch_template" "main" {
     TERRAFORM_ENI_ID                 = aws_network_interface.main.id
     TERRAFORM_EIP_ID                 = length(var.eip_allocation_ids) != 0 ? var.eip_allocation_ids[0] : ""
     TERRAFORM_CWAGENT_ENABLED        = var.use_cloudwatch_agent ? "true" : ""
-    TERRAFORM_CWAGENT_CFG_PARAM_NAME = var.use_cloudwatch_agent ? aws_ssm_parameter.cloudwatch_agent_config[0].name : ""
+    TERRAFORM_CWAGENT_CFG_PARAM_NAME = local.cwagent_param_name != null ? local.cwagent_param_name : ""
   }))
 
   tags = var.tags

diff --git a/main.tf b/main.tf
@@ -1,7 +1,8 @@
 locals {
-  is_arm            = regex("[a-zA-Z]+\\d+g[a-z]*\\..+", var.instance_type) == var.instance_type
-  ami_id            = var.ami_id != null ? var.ami_id : data.aws_ami.main[0].id
-  cwagent_param_arn = var.use_cloudwatch_agent ? var.cloudwatch_agent_configuration_param_arn != null ? var.cloudwatch_agent_configuration_param_arn : aws_ssm_parameter.cloudwatch_agent_config[0].arn : null
+  is_arm             = regex("[a-zA-Z]+\\d+g[a-z]*\\..+", var.instance_type) == var.instance_type
+  ami_id             = var.ami_id != null ? var.ami_id : data.aws_ami.main[0].id
+  cwagent_param_arn  = var.use_cloudwatch_agent ? var.cloudwatch_agent_configuration_param_arn != null ? var.cloudwatch_agent_configuration_param_arn : aws_ssm_parameter.cloudwatch_agent_config[0].arn : null
+  cwagent_param_name = var.use_cloudwatch_agent ? var.cloudwatch_agent_configuration_param_arn != null ? split("/", data.aws_arn.ssm_param[0].resource)[1] : aws_ssm_parameter.cloudwatch_agent_config[0].name : null
 }
 
 data "aws_region" "current" {}