test(mc): add terratest and GH workflow

.github/workflows/test-multicloud.yml

@@ -0,0 +1,25 @@
+name: Test Multicloud
+
+on:
+  pull_request:
+    paths:
+      - 'test/multicloud/**'
+
+jobs:
+  multicloud-test:
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+
+    - name: Set up Go
+      uses: actions/setup-go@v2
+      with:
+        go-version: '1.23'
+
+    - name: Install dependencies
+      run: go mod download
+
+    - name: Run tests
+      run: make test

test/multicloud/Makefile

@@ -1,6 +1,8 @@
 PREFIX ?= retina
 STACK_NAME ?= $(PREFIX)-aks
 
+.PHONY: init plan apply quick gke aks kind destroy clean kind-kubeconfig test
+
 plan:
 	cd live/$(STACK_NAME) && \
 		tofu fmt && tofu init && tofu plan
@@ -32,9 +34,9 @@ destroy:
 clean: destroy
 	@cd live/$(STACK_NAME) && \
 		rm -rf .terraform && rm terraform.tfstate && rm terraform.tfstate.backup
-	@if [ $(STACK_NAME) == $(PREFIX)-kind ]; then \
-		rm -rf live/$(STACK_NAME)/mc-kind-config; \
-	fi
 
 kind-kubeconfig:
 	@kubectl config set-context live/$(PREFIX)-kind/mc-kind-config
+
+test:
+	@cd test && go test -v -count=1 -timeout 30m ./...

test/multicloud/examples/aks/main.tf

@@ -0,0 +1,7 @@
+module "aks" {
+  source              = "../../modules/aks"
+  location            = var.location
+  resource_group_name = var.resource_group_name
+  prefix              = var.prefix
+  labels              = var.labels
+}

test/multicloud/examples/aks/providers.tf

@@ -0,0 +1,20 @@
+terraform {
+  required_version = "1.8.3"
+  required_providers {
+    azurerm = {
+      source  = "hashicorp/azurerm"
+      version = "4.15.0"
+    }
+  }
+}
+
+# Initialize the Azure provider
+provider "azurerm" {
+  features {
+    resource_group {
+      prevent_deletion_if_contains_resources = false
+    }
+  }
+  subscription_id = var.subscription_id
+  tenant_id       = var.tenant_id
+}

test/multicloud/examples/aks/variables.tf

@@ -0,0 +1,29 @@
+variable "subscription_id" {
+  description = "The subscription ID for the Azure account."
+  type        = string
+}
+
+variable "tenant_id" {
+  description = "The tenant ID for the Azure account."
+  type        = string
+}
+
+variable "location" {
+  description = "The Azure Cloud location where AKS will be deployed to."
+  type        = string
+}
+
+variable "resource_group_name" {
+  description = "The name of the resource group."
+  type        = string
+}
+
+variable "prefix" {
+  description = "A prefix to add to all resources."
+  type        = string
+}
+
+variable "labels" {
+  description = "A map of labels to add to all resources."
+  type        = map(string)
+}

test/multicloud/examples/gke/main.tf

@@ -0,0 +1,7 @@
+module "gke" {
+  source       = "../../modules/gke"
+  location     = var.location
+  prefix       = var.prefix
+  project      = var.project
+  machine_type = var.machine_type
+}

test/multicloud/examples/gke/providers.tf

@@ -0,0 +1,15 @@
+terraform {
+  required_version = "1.8.3"
+  required_providers {
+    google = {
+      source  = "hashicorp/google"
+      version = "6.17.0"
+    }
+  }
+}
+
+# Initialize the Google provider
+provider "google" {
+  project = var.project
+  region  = var.location
+}

test/multicloud/examples/gke/variables.tf

@@ -0,0 +1,19 @@
+variable "project" {
+  description = "The Google Cloud project where resources will be deployed."
+  type        = string
+}
+
+variable "location" {
+  description = "The Google Cloud location where GKE will be deployed to."
+  type        = string
+}
+
+variable "prefix" {
+  description = "A prefix to add to all resources."
+  type        = string
+}
+
+variable "machine_type" {
+  description = "The machine type to use for the GKE nodes."
+  type        = string
+}

test/multicloud/examples/kind/main.tf

@@ -0,0 +1,4 @@
+module "kind" {
+  source = "../../modules/kind"
+  prefix = var.prefix
+}

test/multicloud/examples/kind/providers.tf

@@ -0,0 +1,12 @@
+terraform {
+  required_version = "1.8.3"
+  required_providers {
+    kind = {
+      source  = "tehcyx/kind"
+      version = "0.7.0"
+    }
+  }
+}
+
+# Initialize the kind provider
+provider "kind" {}

test/multicloud/examples/kind/test-kind-config

@@ -0,0 +1,3 @@
+apiVersion: v1
+kind: Config
+preferences: {}

test/multicloud/examples/kind/variables.tf

@@ -0,0 +1,4 @@
+variable "prefix" {
+  description = "A prefix to add to all resources."
+  type        = string
+}

test/multicloud/live/retina-kind/main.tf

@@ -7,12 +7,3 @@ module "retina" {
   depends_on = [module.kind]
   source     = "../../modules/retina"
 }
-
-# output "kubeconfig" {
-#   value = module.kind.kubeconfig
-# }
-
-# resource "local_file" "kubeconfig" {
-#   content  = module.kind.kubeconfig
-#   filename = "${path.module}/kubeconfig.yaml"
-# }

test/multicloud/test/example_aks_test.go

@@ -0,0 +1,38 @@
+package test
+
+import (
+	"testing"
+
+	"github.com/gruntwork-io/terratest/modules/terraform"
+)
+
+func TestAKSExample(t *testing.T) {
+	t.Parallel()
+
+	opts := &terraform.Options{
+		TerraformDir: "../examples/aks",
+
+		Vars: map[string]interface{}{
+			"prefix":              "test",
+			"location":            "uksouth",
+			"subscription_id":     "d6050d84-e4dd-463d-afc7-a6ab3dc33ab7", // TODO: replace with actual project once we get azure "public" access
+			"tenant_id":           "ac8a4ccd-35f1-4f95-a688-f68e3d89adfc",
+			"resource_group_name": "test",
+			"labels": map[string]string{
+				"environment": "test",
+				"owner":       "test",
+				"project":     "test",
+			},
+		},
+	}
+
+	// clean up at the end of the test
+	defer terraform.Destroy(t, opts)
+
+	terraform.Init(t, opts)
+
+	// TODO: uncomment once we get creds for azure "public"
+	// terraform.Apply(t, opts)
+
+	// TODO: add actual tests here
+}

test/multicloud/test/example_gke_test.go

@@ -0,0 +1,32 @@
+package test
+
+import (
+	"testing"
+
+	"github.com/gruntwork-io/terratest/modules/terraform"
+)
+
+func TestGKEExample(t *testing.T) {
+	t.Parallel()
+
+	opts := &terraform.Options{
+		TerraformDir: "../examples/gke",
+
+		Vars: map[string]interface{}{
+			"prefix":       "test",
+			"location":     "eu-central1",
+			"project":      "mc-retina", // TODO: replace with actual project once we get gcloud access
+			"machine_type": "e2-standard-4",
+		},
+	}
+
+	// clean up at the end of the test
+	defer terraform.Destroy(t, opts)
+
+	terraform.Init(t, opts)
+
+	// TODO: uncomment once we get creds for gcloud
+	// terraform.Apply(t, opts)
+
+	// TODO: add actual tests here
+}

test/multicloud/test/example_kind_test.go

@@ -0,0 +1,27 @@
+package test
+
+import (
+	"testing"
+
+	"github.com/gruntwork-io/terratest/modules/terraform"
+)
+
+func TestKindExample(t *testing.T) {
+	t.Parallel()
+
+	opts := &terraform.Options{
+		TerraformDir: "../examples/kind",
+
+		Vars: map[string]interface{}{
+			"prefix": "test",
+		},
+	}
+
+	// clean up at the end of the test
+	defer terraform.Destroy(t, opts)
+
+	terraform.Init(t, opts)
+	terraform.Apply(t, opts)
+
+	// TODO: add actual tests here
+}

test/multicloud/test/go.mod

@@ -0,0 +1,38 @@
+module github.com/microsoft/retina/test/multicloud/test
+
+go 1.23.4
+
+require (
+	github.com/agext/levenshtein v1.2.3 // indirect
+	github.com/apparentlymart/go-textseg/v15 v15.0.0 // indirect
+	github.com/bgentry/go-netrc v0.0.0-20140422174119-9fd32a8b3d3d // indirect
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/gruntwork-io/terratest v0.48.1 // indirect
+	github.com/hashicorp/errwrap v1.0.0 // indirect
+	github.com/hashicorp/go-cleanhttp v0.5.2 // indirect
+	github.com/hashicorp/go-getter/v2 v2.2.3 // indirect
+	github.com/hashicorp/go-multierror v1.1.1 // indirect
+	github.com/hashicorp/go-safetemp v1.0.0 // indirect
+	github.com/hashicorp/go-version v1.7.0 // indirect
+	github.com/hashicorp/hcl/v2 v2.22.0 // indirect
+	github.com/hashicorp/terraform-json v0.23.0 // indirect
+	github.com/jinzhu/copier v0.0.0-20190924061706-b57f9002281a // indirect
+	github.com/klauspost/compress v1.16.5 // indirect
+	github.com/mattn/go-zglob v0.0.2-0.20190814121620-e3c945676326 // indirect
+	github.com/mitchellh/go-homedir v1.1.0 // indirect
+	github.com/mitchellh/go-testing-interface v1.14.1 // indirect
+	github.com/mitchellh/go-wordwrap v1.0.1 // indirect
+	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/stretchr/testify v1.9.0 // indirect
+	github.com/tmccombs/hcl2json v0.6.4 // indirect
+	github.com/ulikunitz/xz v0.5.10 // indirect
+	github.com/zclconf/go-cty v1.15.0 // indirect
+	golang.org/x/crypto v0.29.0 // indirect
+	golang.org/x/mod v0.18.0 // indirect
+	golang.org/x/net v0.31.0 // indirect
+	golang.org/x/sync v0.9.0 // indirect
+	golang.org/x/sys v0.27.0 // indirect
+	golang.org/x/text v0.20.0 // indirect
+	golang.org/x/tools v0.22.0 // indirect
+	gopkg.in/yaml.v3 v3.0.1 // indirect
+)