chore: add Success! The configuration is valid. (#16)

More work towards closing https://github.com/coder/internal/issues/532

## Changes made
- Added Bash script to run `terraform validate` on all relevant repos
- Updated `package.json` and CI to use the script

.github/workflows/ci.yaml

@@ -38,5 +38,7 @@ jobs:
           bun-version: latest
       - name: Install dependencies
         run: bun install
-      - name: Run tests
+      - name: Run TypeScript tests
         run: bun test
+      - name: Run Terraform Validate
+        run: bun terraform-validate

package.json

@@ -2,9 +2,9 @@
   "name": "modules",
   "scripts": {
     "test": "bun test",
+    "terraform-validate": "./scripts/terraform_validate.sh",
     "fmt": "bun x prettier -w **/*.sh .sample/run.sh new.sh **/*.ts **/*.md *.md && terraform fmt **/*.tf .sample/main.tf",
-    "fmt:ci": "bun x prettier --check **/*.sh .sample/run.sh new.sh **/*.ts **/*.md *.md && terraform fmt -check **/*.tf .sample/main.tf",
-    "update-version": "./update-version.sh"
+    "fmt:ci": "bun x prettier --check **/*.sh .sample/run.sh new.sh **/*.ts **/*.md *.md && terraform fmt -check **/*.tf .sample/main.tf"
   },
   "devDependencies": {
     "@types/bun": "^1.2.9",

scripts/terraform_validate.sh

@@ -0,0 +1,37 @@
+#!/bin/bash
+
+set -euo pipefail
+
+validate_terraform_directory() {
+    local dir="$1"
+    echo "Running \`terraform validate\` in $dir"
+    pushd "$dir"
+    terraform init -upgrade
+    terraform validate
+    popd
+}
+
+main() {
+    # Get the directory of the script
+    local script_dir=$(dirname "$(readlink -f "$0")")
+
+    # Code assumes that registry directory will always be in same position
+    # relative to the main script directory
+    local registry_dir="$script_dir/../registry"
+
+    # Get all subdirectories in the registry directory. Code assumes that
+    # Terraform directories won't begin to appear until three levels deep into
+    # the registry (e.g., registry/coder/modules/coder-login, which will then
+    # have a main.tf file inside it)
+    local subdirs=$(find "$registry_dir" -mindepth 3 -type d | sort)
+
+    for dir in $subdirs; do
+        # Skip over any directories that obviously don't have the necessary
+        # files
+        if test -f "$dir/main.tf"; then
+            validate_terraform_directory "$dir"
+        fi
+    done
+}
+
+main