From ba5f3704d41e5393e3afe1f14f32b83898142618 Mon Sep 17 00:00:00 2001
From: ben <ben@brmartin.co.uk>
Date: Thu, 6 Jun 2024 22:00:05 +0100
Subject: [PATCH] Use caching instead of artifacts to store .terraform (#2)

Co-authored-by: Ben Martin <ben.martin@sky.uk>
Reviewed-on: https://git.brmartin.co.uk/ben/cluster-state/pulls/2
---
 .gitea/workflows/plan-and-apply.yaml | 23 ++++++++++++++---------
 modules/dummy/main.tf                |  2 +-
 2 files changed, 15 insertions(+), 10 deletions(-)

diff --git a/.gitea/workflows/plan-and-apply.yaml b/.gitea/workflows/plan-and-apply.yaml
index 3ee2e69..d0ed11d 100644
--- a/.gitea/workflows/plan-and-apply.yaml
+++ b/.gitea/workflows/plan-and-apply.yaml
@@ -15,6 +15,7 @@ env:
   TF_IN_AUTOMATION: true
   TF_CLI_ARGS: "-no-color"
   PG_CONN_STR: "${{ secrets.PG_CONN_STR }}"
+  TF_PLUGIN_CACHE_DIR: ${{ gitea.workspace }}/.terraform.d/plugin-cache
 
 jobs:
   plan:
@@ -22,9 +23,15 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: hashicorp/setup-terraform@v3
+      - name: Create Terraform Plugin Cache Dir
+        run: mkdir -v -p $TF_PLUGIN_CACHE_DIR
+      - uses: actions/cache@v4
+        with:
+          path: ${{ env.TF_PLUGIN_CACHE_DIR }}
+          key: ${{ runner.os }}-terraform-${{ hashFiles('**/.terraform.lock.hcl') }}
       - name: Terraform fmt
         id: fmt
-        run: terraform fmt -check
+        run: terraform fmt -recursive -check
         continue-on-error: true
       - name: Terraform Init
         id: init
@@ -92,10 +99,6 @@ jobs:
         with:
           name: tfplan
           path: tfplan
-      - uses: actions/upload-artifact@v3
-        with:
-          name: .terraform
-          path: .terraform
   apply:
     runs-on: ubuntu-latest
     needs: plan
@@ -103,13 +106,15 @@ jobs:
     steps:
       - uses: actions/checkout@v4
       - uses: hashicorp/setup-terraform@v3
+      - name: Create Terraform Plugin Cache Dir
+        run: mkdir -v -p $TF_PLUGIN_CACHE_DIR
+      - uses: actions/cache@v4
+        with:
+          path: ${{ env.TF_PLUGIN_CACHE_DIR }}
+          key: ${{ runner.os }}-terraform-${{ hashFiles('**/.terraform.lock.hcl') }}
       - uses: actions/download-artifact@v3
         with:
           name: tfplan
-      - uses: actions/download-artifact@v3
-        with:
-          name: .terraform
-          path: .terraform
       - name: Ensure providers are executable
         run: chmod -Rv +x .terraform/providers
       - name: Terraform apply
diff --git a/modules/dummy/main.tf b/modules/dummy/main.tf
index 9fdcc29..8cd9998 100644
--- a/modules/dummy/main.tf
+++ b/modules/dummy/main.tf
@@ -1,4 +1,4 @@
 resource "nomad_job" "dummy" {
   jobspec = file("${path.module}/jobspec.json")
-  json = true
+  json    = true
 }
\ No newline at end of file