From cf1a3d7b0b87ccbebac5ef7b2517bcacd97f1a1b Mon Sep 17 00:00:00 2001
From: Rui Lopes <rgl@ruilopes.com>
Date: Sun, 10 Sep 2023 10:20:32 +0100
Subject: [PATCH] lint the source code

---
 .github/workflows/lint.yml | 32 ++++++++++++++++++++++++++++++++
 .tflint.hcl                |  1 +
 README.md                  |  2 ++
 3 files changed, 35 insertions(+)
 create mode 100644 .github/workflows/lint.yml
 create mode 100644 .tflint.hcl

diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
new file mode 100644
index 0000000..1274081
--- /dev/null
+++ b/.github/workflows/lint.yml
@@ -0,0 +1,32 @@
+name: Lint
+on: [push]
+jobs:
+  lint:
+    name: Lint
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+      - name: Cache the plugins directory
+        uses: actions/cache@v3
+        with:
+          path: ~/.tflint.d/plugins
+          key: tflint-${{ hashFiles('.tflint.hcl') }}
+      - uses: terraform-linters/setup-tflint@v3
+        name: Setup
+        with:
+          # see https://github.com/terraform-linters/tflint/releases
+          tflint_version: v0.48.0
+      - name: Init
+        run: tflint --init
+        env:
+          # https://github.com/terraform-linters/tflint/blob/master/docs/user-guide/plugins.md#avoiding-rate-limiting
+          GITHUB_TOKEN: ${{ github.token }}
+      - name: Lint
+        run: tflint --format compact
+  fmt:
+    name: terraform fmt check
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+      - name: terraform fmt check
+        run: terraform fmt -check -diff
diff --git a/.tflint.hcl b/.tflint.hcl
new file mode 100644
index 0000000..2ab4fb1
--- /dev/null
+++ b/.tflint.hcl
@@ -0,0 +1 @@
+# NB the terraform plugin is built into tflint, so no need to declare it here.
diff --git a/README.md b/README.md
index dd8ec75..d4f8d98 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,7 @@
 # About
 
+[![Lint](https://github.com/rgl/terraform-libvirt-talos/actions/workflows/lint.yml/badge.svg)](https://github.com/rgl/terraform-libvirt-talos/actions/workflows/lint.yml)
+
 An example Talos Linux Kubernetes cluster in libvirt QEMU/KVM Virtual Machines using terraform.
 
 # Usage (Ubuntu 22.04 host)