From 63af43cb74496f03e17711952fa3e9d0069ccb84 Mon Sep 17 00:00:00 2001
From: Rick Sherman <rick@shermdog.com>
Date: Fri, 19 Feb 2021 17:00:51 -0600
Subject: [PATCH] March 2021 Updates Updated for e-commerce repo changes Update
 included software Add support for specifying GCP network with Packer and
 Terraform

---
 datadog/.gitignore                | 12 +++++++++++-
 datadog/setup/main.tf             | 24 ++++++++++++++++--------
 datadog/setup/packer/Makefile     |  7 +++++--
 datadog/setup/packer/bootstrap.sh |  8 ++++----
 datadog/setup/packer/packer.json  |  4 +++-
 5 files changed, 39 insertions(+), 16 deletions(-)

diff --git a/datadog/.gitignore b/datadog/.gitignore
index d01ac64..d10a6b7 100644
--- a/datadog/.gitignore
+++ b/datadog/.gitignore
@@ -1,2 +1,12 @@
 .terraform
-*tfstate*
\ No newline at end of file
+*tfstate*
+
+# Exclude all .tfvars files, which are likely to contain sentitive data, such as
+# password, private keys, and other secrets. These should not be part of version
+# control as they are data points which are potentially sensitive and subject
+# to change depending on the environment.
+#
+*.tfvars
+
+# Ignore lock files
+.terraform.lock.hcl
diff --git a/datadog/setup/main.tf b/datadog/setup/main.tf
index b93c72b..b1f7b6e 100644
--- a/datadog/setup/main.tf
+++ b/datadog/setup/main.tf
@@ -2,7 +2,7 @@ terraform {
   required_providers {
     google = {
       source  = "hashicorp/google"
-      version = "3.39.0"
+      version = "3.57.0"
     }
   }
 
@@ -10,6 +10,7 @@ terraform {
 }
 
 provider "google" {
+  project = var.project
   zone = var.zone
 }
 
@@ -18,12 +19,23 @@ variable "dd_api_key" {
   description = "Datadog Agent API key"
 }
 
+variable "project" {
+  type        = string
+  description = "GCP Project"
+}
+
 variable "zone" {
   type        = string
   description = "GCP Zone to deploy"
   default     = "us-east1-b"
 }
 
+variable "network" {
+  type        = string
+  description = "GCP VCP to deploy"
+  default     = "default"
+}
+
 variable "enable_firewall_rule" {
   type        = bool
   description = "Creates firewall rule to allow public traffic"
@@ -36,14 +48,10 @@ variable "fix_frontend" {
   default     = true
 }
 
-data "google_compute_network" "default" {
-  name = "default"
-}
-
 resource "google_compute_firewall" "ecommerce" {
   count   = var.enable_firewall_rule ? 1 : 0
   name    = "allow-ecommerce"
-  network = "default"
+  network = var.network
 
   allow {
     protocol = "tcp"
@@ -73,7 +81,7 @@ resource "google_compute_instance" "ecommerce" {
   }
 
   network_interface {
-    network = "default"
+    network = var.network
 
     access_config {
       nat_ip = google_compute_address.ecommerce.address
@@ -86,7 +94,7 @@ resource "google_compute_instance" "ecommerce" {
   }
 
   metadata_startup_script = <<EOT
-    cd /root/ecommerce-workshop/docker-compose-files
+    cd /root/ecommerce-workshop/deploy/docker-compose
     POSTGRES_USER=postgres POSTGRES_PASSWORD=postgres DD_API_KEY=${var.dd_api_key} docker-compose -f docker-compose-${local.docker_compose}-instrumented.yml up -d
     systemctl start gor
   EOT
diff --git a/datadog/setup/packer/Makefile b/datadog/setup/packer/Makefile
index 5c5e6fe..5ad0f3f 100644
--- a/datadog/setup/packer/Makefile
+++ b/datadog/setup/packer/Makefile
@@ -4,9 +4,12 @@ check-variables:
 ifndef PROJECT
   $(error PROJECT is undefined)
 endif
+ifndef ZONE
+  $(error ZONE is undefined)
+endif
 
 build: check-variables
-	packer build -var 'project_id=${PROJECT}' -var 'zone=${ZONE}' packer.json
+	packer build -var 'project_id=${PROJECT}' -var 'zone=${ZONE}' -var 'network=$(or $(NETWORK),default)' packer.json
 
 force-build: check-variables
-	packer build -force -var 'project_id=${PROJECT}' -var 'zone=${ZONE}' packer.json
+	packer build -force -var 'project_id=${PROJECT}' -var 'zone=${ZONE}' -var 'network=$(or $(NETWORK),default)' packer.json
diff --git a/datadog/setup/packer/bootstrap.sh b/datadog/setup/packer/bootstrap.sh
index 1b21d57..2628f22 100644
--- a/datadog/setup/packer/bootstrap.sh
+++ b/datadog/setup/packer/bootstrap.sh
@@ -21,16 +21,16 @@ apt-get update
 
 apt-get -y install docker-ce
 
-curl -L "https://github.com/docker/compose/releases/download/1.25.4/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
+curl -L "https://github.com/docker/compose/releases/download/1.28.5/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
 chmod +x /usr/local/bin/docker-compose
 
 apt-get -y install git wget
 
 git clone https://github.com/DataDog/ecommerce-workshop.git
 
-curl -L https://github.com/buger/goreplay/releases/download/v1.0.0/gor_1.0.0_x64.tar.gz -o gor_1.0.0_x64.tar.gz
-tar -xf gor_1.0.0_x64.tar.gz
+curl -L https://github.com/buger/goreplay/releases/download/v1.2.0/gor_v1.2.0_x64.tar.gz -o gor_v1.2.0_x64.tar.gz
+tar -xf gor_v1.2.0_x64.tar.gz
 mv gor /usr/local/bin/gor
-rm -rf gor_1.0.0_x64.tar.gz
+rm -rf gor_v1.2.0_x64.tar.gz
 
 systemctl disable gor
diff --git a/datadog/setup/packer/packer.json b/datadog/setup/packer/packer.json
index d25e622..e3731cc 100644
--- a/datadog/setup/packer/packer.json
+++ b/datadog/setup/packer/packer.json
@@ -1,7 +1,8 @@
 {
   "variables": {
     "project_id": "",
-    "zone": ""
+    "zone": "",
+    "network": "default"
   },
   "builders": [
     {
@@ -9,6 +10,7 @@
       "project_id": "{{user `project_id`}}",
       "source_image_family": "ubuntu-1804-lts",
       "zone": "{{user `zone`}}",
+      "network": "{{user `network`}}",
       "ssh_username": "root",
       "image_name": "datadog-ecommerce",
       "image_labels": {