feat(opentofu)

.github/workflows/tests.yml

@@ -0,0 +1,104 @@
+name: Tests
+
+on:
+  push:
+    branches:
+      - main
+    paths:
+      - '**.rs'
+      - '**.toml'
+      - '.github/workflows/tests.yml'
+    tags:
+      - '*'
+  pull_request:
+    branches:
+      - main
+
+permissions: {}
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  tf:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        include:
+          - os: ubuntu-latest
+            env:
+              TFEXE: terraform
+            chdir: ./test_dir/project1/
+          - os: ubuntu-latest
+            env:
+              TFEXE: terraform
+            chdir: ./test_dir/project2/
+          - os: ubuntu-latest
+            env:
+              TFEXE: terraform
+            chdir: ./test_dir/project4/
+          - os: ubuntu-latest
+            env:
+              NONE: ''
+            chdir: ./test_dir/project1/
+          - os: ubuntu-latest
+            env:
+              NONE: ''
+            chdir: ./test_dir/project2/
+          - os: ubuntu-latest
+            env:
+              NONE: ''
+            chdir: ./test_dir/project4/
+          - os: ubuntu-latest
+            env:
+              TFEXE: tofu
+            chdir: ./test_dir/project1/
+          - os: ubuntu-latest
+            env:
+              TFEXE: tofu
+            chdir: ./test_dir/project2/
+          - os: ubuntu-latest
+            env:
+              TFEXE: tofu
+            chdir: ./test_dir/project4/
+          - os: macos-latest
+            env:
+              TFEXE: terraform
+            chdir: ./test_dir/project1/
+          - os: macos-latest
+            env:
+              TFEXE: terraform
+            chdir: ./test_dir/project2/
+          - os: macos-latest
+            env:
+              TFEXE: terraform
+            chdir: ./test_dir/project4/
+          - os: macos-latest
+            env:
+              NONE: ''
+            chdir: ./test_dir/project1/
+          - os: macos-latest
+            env:
+              NONE: ''
+            chdir: ./test_dir/project2/
+          - os: macos-latest
+            env:
+              NONE: ''
+            chdir: ./test_dir/project4/
+          - os: macos-latest
+            env:
+              TFEXE: tofu
+            chdir: ./test_dir/project1/
+          - os: macos-latest
+            env:
+              TFEXE: tofu
+            chdir: ./test_dir/project2/
+          - os: macos-latest
+            env:
+              TFEXE: tofu
+            chdir: ./test_dir/project4/
+    steps:
+    - uses: actions/checkout@v3
+    - uses: opentofu/setup-opentofu
+    - run: cargo run -- -chdir=${{ matrix.chdir }} init
+      env: ${{ matrix.env }}

src/main.rs

@@ -1,20 +1,26 @@
 use std::env;
-use std::io::Result;
-use std::process::{exit, Child, Command, ExitStatus};
+use std::process::{Command, ExitStatus};
 
-fn main() -> Result<()> {
-    let args: Vec<String> = env::args().skip(1).collect();
-
-    let mut tfswitch: Child = Command::new("tfswitch").spawn()?;
-    let tfswitch_exit_status: ExitStatus = tfswitch.wait()?;
-    if !tfswitch_exit_status.success() {
-        exit(tfswitch_exit_status.code().unwrap_or(1));
+fn exec(val: &str, args: Vec<String>) -> Result<ExitStatus, std::io::Error> {
+    let mut cmd = Command::new(val);
+    for arg in args {
+        cmd.arg(arg);
     }
+    cmd.spawn()?.wait()
+}
+
+fn main() -> Result<(), std::io::Error> {
+    let args: Vec<String> = env::args().skip(1).collect();
+    let tfexe: String = env::var("TFEXE").unwrap_or_else(|_| "tfswitch".to_string());
 
-    let mut terraform: Child = Command::new("terraform").args(args).spawn()?;
-    let terraform_exit_status: ExitStatus = terraform.wait()?;
-    if !terraform_exit_status.success() {
-        exit(terraform_exit_status.code().unwrap_or(1));
+    match tfexe.as_str() {
+        "tfswitch" => {
+            let _ = exec("tfswitch", Vec::new())?;
+            exec("terraform", args)?;
+        }
+        _ => {
+            exec(&tfexe, args)?;
+        }
     }
 
     Ok(())

test_dir/project1/main.tf

@@ -0,0 +1,15 @@
+terraform {
+  required_version = "<=0.15.0"
+}
+
+module "gcp" {
+  source = "./gcp"
+}
+
+module "azure" {
+  source = "./azure"
+}
+
+module "aws" {
+  source = "./aws"
+}

test_dir/project2/dev/outputs.tf

@@ -0,0 +1,3 @@
+output "vpc_id" {
+  value = "dev module here"
+}

test_dir/project2/dev/region_a/service_one.tfvars

@@ -0,0 +1 @@
+environment = "dev"

test_dir/project2/dev/region_a/service_three.tfvars

@@ -0,0 +1 @@
+environment = "dev"

test_dir/project2/dev/region_a/service_two.tfvars

@@ -0,0 +1 @@
+environment = "dev"

test_dir/project2/dev/region_b/service_one.tfvars

@@ -0,0 +1 @@
+environment = "dev"

test_dir/project2/dev/region_b/service_three.tfvars

@@ -0,0 +1 @@
+environment = "dev"

test_dir/project2/dev/region_b/service_two.tfvars

@@ -0,0 +1 @@
+environment = "dev"

test_dir/project2/main.tf

@@ -0,0 +1,18 @@
+terraform {
+  required_version = "~> 1.3"
+}
+
+module "conditionally_used_dev_module" {
+  source = "./dev"
+  count  = var.environment == "dev" ? 1 : 0
+}
+
+module "conditionally_used_staging_module" {
+  source = "./staging"
+  count  = var.environment == "staging" ? 1 : 0
+}
+
+module "conditionally_used_production_module" {
+  source = "./production"
+  count  = var.environment == "production" ? 1 : 0
+}

test_dir/project2/outputs.tf

@@ -0,0 +1,3 @@
+output "module_used" {
+  value = concat(module.conditionally_used_dev_module[*].vpc_id, module.conditionally_used_production_module[*].vpc_id, module.conditionally_used_staging_module[*].vpc_id)
+}

test_dir/project2/production/outputs.tf

@@ -0,0 +1,3 @@
+output "vpc_id" {
+  value = "production module here"
+}

test_dir/project2/production/region_a/service_one.tfvars

@@ -0,0 +1 @@
+environment = "production"

test_dir/project2/production/region_a/service_three.tfvars

@@ -0,0 +1 @@
+environment = "production"

test_dir/project2/production/region_a/service_two.tfvars

@@ -0,0 +1 @@
+environment = "production"

test_dir/project2/production/region_b/service_one.tfvars

@@ -0,0 +1 @@
+environment = "production"

test_dir/project2/production/region_b/service_three.tfvars

@@ -0,0 +1 @@
+environment = "production"

test_dir/project2/production/region_b/service_two.tfvars

@@ -0,0 +1 @@
+environment = "production"

test_dir/project2/staging/outputs.tf

@@ -0,0 +1,3 @@
+output "vpc_id" {
+  value = "staging module here"
+}

test_dir/project2/staging/region_a/service_one.tfvars

@@ -0,0 +1 @@
+environment = "staging"

test_dir/project2/staging/region_a/service_three.tfvars

@@ -0,0 +1 @@
+environment = "staging"

test_dir/project2/staging/region_a/service_two.tfvars

@@ -0,0 +1 @@
+environment = "staging"

test_dir/project2/staging/region_b/service_one.tfvars

@@ -0,0 +1 @@
+environment = "staging"

test_dir/project2/staging/region_b/service_three.tfvars

@@ -0,0 +1 @@
+environment = "staging"

test_dir/project2/staging/region_b/service_two.tfvars

@@ -0,0 +1 @@
+environment = "staging"

test_dir/project2/variables.tf

@@ -0,0 +1,3 @@
+variable "environment" {
+  type = string
+}

test_dir/project3/applications/backend-app/env/dev.tfvars

@@ -0,0 +1 @@
+clouds = ["aws", "azure", "gcp"]

test_dir/project3/applications/backend-app/env/production.tfvars

@@ -0,0 +1 @@
+clouds = ["aws", "gcp"]

test_dir/project3/applications/backend-app/env/qa.tfvars

@@ -0,0 +1 @@
+clouds = ["aws", "azure", "gcp"]

test_dir/project3/applications/backend-app/env/staging.tfvars

@@ -0,0 +1 @@
+clouds = ["aws", "azure", "gcp"]

test_dir/project3/applications/backend-app/main.tf

@@ -0,0 +1,3 @@
+terraform {
+  required_version = "~> 1.2"
+}

test_dir/project3/applications/frontend-app/main.tf

@@ -0,0 +1,3 @@
+terraform {
+  required_version = "1.4.1"
+}

test_dir/project3/modules/network/main.tf

@@ -0,0 +1,3 @@
+terraform {
+  required_version = "1.2.3"
+}

test_dir/project3/modules/spaces/main.tf

@@ -0,0 +1,3 @@
+terraform {
+  required_version = "~> 0.15"
+}

test_dir/project4/main.tf

@@ -0,0 +1,4 @@
+terraform {
+  required_version = "~>1.6"
+}
+

test_dir/project4/outputs.tf

@@ -0,0 +1,3 @@
+output "environment" {
+  value = var.environment
+}

test_dir/project4/variables.tf

@@ -0,0 +1,4 @@
+variable "environment" {
+  type        = string
+  description = "Environment to deploy to."
+}

test_dir/project4/vars/asia-east1/app-one/dev.tfvars.json

@@ -0,0 +1,4 @@
+{
+	"environment": "dev"
+}
+

test_dir/project4/vars/asia-east1/app-one/production.tfvars.json

@@ -0,0 +1,4 @@
+{
+	"environment": "production"
+}
+

test_dir/project4/vars/asia-east1/app-one/staging.tfvars.json

@@ -0,0 +1,4 @@
+{
+	"environment": "staging"
+}
+

test_dir/project4/vars/asia-east1/app-two/dev.tfvars.json

@@ -0,0 +1,4 @@
+{
+	"environment": "dev"
+}
+

test_dir/project4/vars/asia-east1/app-two/production.tfvars.json

@@ -0,0 +1,4 @@
+{
+	"environment": "production"
+}
+

test_dir/project4/vars/asia-east1/app-two/staging.tfvars.json

@@ -0,0 +1,4 @@
+{
+	"environment": "staging"
+}
+

test_dir/project4/vars/us-east1/app-one/dev.tfvars.json

@@ -0,0 +1,4 @@
+{
+	"environment": "dev"
+}
+

test_dir/project4/vars/us-east1/app-one/production.tfvars.json

@@ -0,0 +1,4 @@
+{
+	"environment": "production"
+}
+

test_dir/project4/vars/us-east1/app-one/staging.tfvars.json

@@ -0,0 +1,3 @@
+{
+	"environment": "staging"
+}