chore: updated ec2 configurations for vmp

Author: psekar

enos/README.md

@@ -66,6 +66,8 @@ following lines
 127.0.0.1       localhost       worker
 127.0.0.1       localhost       vault
 ```
+### AWS Credentials
+Copy the AWS Account credentials from doormat and set it in the terminal, where the enos commands are run.
 
 ## Executing Scenarios
 From the `enos` directory:

enos/modules/aws_boundary/boundary-instances.tf

@@ -26,6 +26,11 @@ resource "aws_instance" "controller" {
     encrypted   = true
   }
 
+  metadata_options {
+    http_endpoint = "enabled"
+    http_tokens   = "required"
+  }
+
   tags = merge(local.common_tags,
     {
       Name = "${local.name_prefix}-boundary-controller-${count.index}-${split(":", data.aws_caller_identity.current.user_id)[1]}"
@@ -54,6 +59,11 @@ resource "aws_instance" "worker" {
     encrypted   = true
   }
 
+  metadata_options {
+    http_endpoint = "enabled"
+    http_tokens   = "required"
+  }
+
   tags = merge(local.common_tags,
     {
       Name = "${local.name_prefix}-boundary-worker-${count.index}-${split(":", data.aws_caller_identity.current.user_id)[1]}",

enos/modules/aws_target/main.tf

@@ -126,13 +126,18 @@ resource "aws_instance" "target" {
     "Type" : "target",
     "Project" : "Enos",
     "Project Name" : "qti-enos-boundary",
-    "Environment" : var.environment
+    "Environment" : var.environment,
     "Enos User" : var.enos_user,
   })
 
   root_block_device {
     encrypted = true
   }
+
+  metadata_options {
+    http_endpoint = "enabled"
+    http_tokens   = "required"
+  }
 }
 
 resource "enos_remote_exec" "wait" {

enos/modules/aws_vault/vault-instances.tf

@@ -17,6 +17,11 @@ resource "aws_instance" "vault_instance" {
       Type = local.vault_cluster_tag
     },
   )
+
+  metadata_options {
+    http_endpoint = "enabled"
+    http_tokens   = "required"
+  }
 }
 
 resource "enos_remote_exec" "install_dependencies" {

enos/modules/aws_worker/main.tf

@@ -161,6 +161,11 @@ resource "aws_instance" "worker" {
       Name = "${var.name_prefix}-boundary-worker-${split(":", data.aws_caller_identity.current.user_id)[1]}",
     },
   )
+
+  metadata_options {
+    http_endpoint = "enabled"
+    http_tokens   = "required"
+  }
 }
 
 resource "enos_bundle_install" "worker" {