set sha

e2e/terraform/.terraform.lock.hcl

@@ -19,6 +19,23 @@ provider "registry.terraform.io/hashicorp/aws" {
   ]
 }
 
+provider "registry.terraform.io/hashicorp/external" {
+  version = "2.0.0"
+  hashes = [
+    "h1:6S7hqjmUnoAZ5D/0F1VlJZKSJsUIBh7Ro0tLjGpKO0g=",
+    "zh:07949780dd6a1d43e7b46950f6e6976581d9724102cb5388d3411a1b6f476bde",
+    "zh:0a4f4636ff93f0644affa8474465dd8c9252946437ad025b28fc9f6603534a24",
+    "zh:0dd7e05a974c649950d1a21d7015d3753324ae52ebdd1744b144bc409ca4b3e8",
+    "zh:2b881032b9aa9d227ac712f614056d050bcdcc67df0dc79e2b2cb76a197059ad",
+    "zh:38feb4787b4570335459ca75a55389df1a7570bdca8cdf5df4c2876afe3c14b4",
+    "zh:40f7e0aaef3b1f4c2ca2bb1189e3fe9af8c296da129423986d1d99ccc8cfb86c",
+    "zh:56b361f64f0f0df5c4f958ae2f0e6f8ba192f35b720b9d3ae1be068fabcf73d9",
+    "zh:5fadb5880cd31c2105f635ded92b9b16f918c1dd989627a4ce62c04939223909",
+    "zh:61fa0be9c14c8c4109cfb7be8d54a80c56d35dbae49d3231cddb59831e7e5a4d",
+    "zh:853774bf97fbc4a784d5af5a4ca0090848430781ae6cfc586adeb48f7c44af79",
+  ]
+}
+
 provider "registry.terraform.io/hashicorp/local" {
   version = "2.0.0"
   hashes = [

e2e/terraform/compute.tf

@@ -58,6 +58,15 @@ resource "aws_instance" "client_windows_2016_amd64" {
   }
 }
 
+data "external" "packer_sha" {
+  program = ["/bin/sh", "-c", <<EOT
+sha=$(git log -n 1 --pretty=format:%H packer)
+echo "{\"sha\":\"$${sha}\"}"
+EOT
+]
+
+}
+
 data "aws_ami" "ubuntu_bionic_amd64" {
   most_recent = true
   owners      = ["self"]
@@ -71,6 +80,11 @@ data "aws_ami" "ubuntu_bionic_amd64" {
     name   = "tag:OS"
     values = ["Ubuntu"]
   }
+
+  filter {
+    name   = "tag:BuilderSha"
+    values = [data.external.packer_sha.result["sha"]]
+  }
 }
 
 data "aws_ami" "windows_2016_amd64" {
@@ -86,4 +100,9 @@ data "aws_ami" "windows_2016_amd64" {
     name   = "tag:OS"
     values = ["Windows2016"]
   }
+
+  filter {
+    name   = "tag:BuilderSha"
+    values = [data.external.packer_sha.result["sha"]]
+  }
 }

e2e/terraform/packer/ubuntu-bionic-amd64.pkr.hcl

@@ -1,3 +1,8 @@
+variable "build_sha" {
+  type        = string
+  description = "the revision of the packer scripts building this image"
+}
+
 locals {
   timestamp = regex_replace(timestamp(), "[- TZ:]", "")
   distro    = "ubuntu-bionic-18.04-amd64-server-*"
@@ -24,8 +29,9 @@ source "amazon-ebs" "latest_ubuntu_bionic" {
   }
 
   tags = {
-    OS      = "Ubuntu"
-    Version = "Bionic"
+    OS         = "Ubuntu"
+    Version    = "Bionic"
+    BuilderSha = var.build_sha
   }
 }
 

e2e/terraform/packer/windows-2016-amd64.pkr.hcl

@@ -1,3 +1,8 @@
+variable "build_sha" {
+  type        = string
+  description = "the revision of the packer scripts building this image"
+}
+
 locals {
   timestamp = regex_replace(timestamp(), "[- TZ:]", "")
   version   = "v2"
@@ -23,7 +28,8 @@ source "amazon-ebs" "latest_windows_2016" {
   }
 
   tags = {
-    OS = "Windows2016"
+    OS         = "Windows2016"
+    BuilderSha = var.build_sha
   }
 }