From dd8cbbf791697d244f350ab67e5491b7b60dec1b Mon Sep 17 00:00:00 2001
From: Rob Bayliss <rob@lastcallmedia.com>
Date: Wed, 22 Jun 2022 14:33:05 -0400
Subject: [PATCH 1/2] Allow XRay tracing to be enabled for lambda functions

---
 lambda/main.tf | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/lambda/main.tf b/lambda/main.tf
index 89a73ac3..ac99e506 100644
--- a/lambda/main.tf
+++ b/lambda/main.tf
@@ -12,6 +12,14 @@ resource "aws_lambda_function" "default" {
     security_group_ids = var.security_groups
     subnet_ids         = var.subnets
   }
+  
+  # Allow XRay tracing to be configured.
+  dynamic "tracing_config" {
+    for_each = var.enable_tracing === true ? [true] : []
+    content {
+      mode = "All"  
+    }
+  }
 
   # The aws_lambda_function resource has a schema for the environment
   # variable, where the only acceptable values are:

From a9f0c4badaa2f790f48e6ecb659c15f8d7ad93b9 Mon Sep 17 00:00:00 2001
From: Rob Bayliss <rob@lastcallmedia.com>
Date: Wed, 22 Jun 2022 14:46:36 -0400
Subject: [PATCH 2/2] Grant role IAM access to use X-Ray

---
 lambda/main.tf | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/lambda/main.tf b/lambda/main.tf
index ac99e506..a8bd32de 100644
--- a/lambda/main.tf
+++ b/lambda/main.tf
@@ -13,7 +13,7 @@ resource "aws_lambda_function" "default" {
     subnet_ids         = var.subnets
   }
   
-  # Allow XRay tracing to be configured.
+  # Allow X-Ray tracing to be configured.
   dynamic "tracing_config" {
     for_each = var.enable_tracing === true ? [true] : []
     content {
@@ -93,6 +93,12 @@ resource "aws_iam_role_policy" "additional_policies" {
   policy = element(var.iam_policies, count.index)
   role   = aws_iam_role.default.id
 }
+# Conditionally grant X-Ray tracing access.
+resource "aws_iam_role_policy_attachment" "xray" {
+  count      = var.enable_tracing ? 1 : 0
+  role       = aws_iam_role.default.name
+  policy_arn = "arn:aws:iam::aws:policy/AWSXRayDaemonWriteAccess" 
+}
 
 /**
  * Scheduling