Add E2E tests directly into Github Actions

.github/workflows/terraform.lint.pull_request.yaml

@@ -0,0 +1,24 @@
+name: Terraform HCL validation (PRs only)
+
+on:
+  pull_request:
+    paths: ["**.tf"]
+
+jobs:
+  terraform-module-k3s:
+    name: Validate main Terraform module
+    uses: ./.github/worflows/terraform.lint.yaml
+
+  examples_hcloud-k3s:
+    name: Hetzner Cloud
+    needs: [terraform-module-k3s]
+    uses: ./.github/worflows/terraform.lint.yaml
+    with:
+      terraform_workdir: examples/hcloud-k3s
+
+  examples_civo-k3s:
+    name: CIVO
+    needs: [terraform-module-k3s]
+    uses: ./.github/worflows/terraform.lint.yaml
+    with:
+      terraform_workdir: examples/civo-k3s

.github/workflows/terraform.lint.yaml

@@ -1,27 +1,50 @@
-name: Terraform HCL validation (PRs only)
+---
+name: Terraform HCL validation
 
 on:
-  pull_request:
-    paths: ["**.tf"]
+  workflow_call:
+    inputs:
+      terraform_workdir:
+        description: Working directory where Terraform files are
+        required: false
+        default: "."
+        type: string
 
-permissions:
-  pull-requests: write
+env:
+  TF_IN_AUTOMATION: "yes"
 
 jobs:
-  terraform-module-k3s:
-    name: Terraform module
-    uses: xunleii/github-actions-grimoire/.github/workflows/terraform.pull_requests.lint.yaml@0ab2cd93e86642397ecdfb2da1e5b97594ab9905
+  # Checks if your TF files are in a canonical format and without HCL issues
+  terraform_validate:
+    name: Terraform files validation
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@93ea575cb5d8a053eaa0ac8fa3b40d7e05a33cc8 # tag=v3.1.0
+      - uses: hashicorp/setup-terraform@bbe167fbdaa1a3bd046bdd70eba9dd3dddcca99c # tag=v2.0.2
+        with:
+          terraform_version: ${{ inputs.terraform_version }}
+      - uses: terraform-linters/setup-tflint@ba6bb2989f94daf58a4cc6eac2c1ca7398a678bf # tag=v3.0.0
 
-  examples_hcloud-k3s:
-    name: Hetzner Cloud
-    needs: [terraform-module-k3s]
-    uses: xunleii/github-actions-grimoire/.github/workflows/terraform.pull_requests.lint.yaml@0ab2cd93e86642397ecdfb2da1e5b97594ab9905
-    with:
-      terraform_workdir: examples/hcloud-k3s
+      # --- `terraform fmt`
+      - name: Check if all Terraform configuration files are in a canonical format ${{ steps.pre.outputs.workdir }}
+        id: fmt
+        run: terraform fmt -check -recursive -diff -no-color
+        working-directory: ${{ inputs.terraform_workdir }}
 
-  examples_civo-k3s:
-    name: CIVO
-    needs: [terraform-module-k3s]
-    uses: xunleii/github-actions-grimoire/.github/workflows/terraform.pull_requests.lint.yaml@0ab2cd93e86642397ecdfb2da1e5b97594ab9905
-    with:
-      terraform_workdir: examples/civo-k3s
+      # --- `terraform init`
+      - name: Initialize Terraform working directory ${{ steps.pre.outputs.workdir }}
+        id: init
+        run: terraform init -no-color -backend=false
+        working-directory: ${{ inputs.terraform_workdir }}
+
+      # --- `terraform validate`
+      - name: Validate the configuration files ${{ steps.pre.outputs.workdir }}
+        id: validate
+        run: terraform validate -no-color
+        working-directory: ${{ inputs.terraform_workdir }}
+
+      # --- `terraform lint`
+      - name: Lint the configuration files ${{ steps.pre.outputs.workdir }}
+        id: lint
+        run: tflint --format compact
+        working-directory: ${{ inputs.terraform_workdir }}

.github/workflows/terraform.test.yaml

@@ -0,0 +1,25 @@
+name: vagrant-up
+
+on: [push]
+
+defaults:
+  run:
+    working-directory: examples/vagrant-k3s
+
+jobs:
+  vagrant-up:
+    runs-on: macos-12
+
+    steps:
+      - name: "Checkout"
+        uses: actions/checkout@v3
+      - name: Show Vagrant version
+        run: vagrant --version
+      - uses: hashicorp/setup-terraform@v2
+      - run: vagrant up
+      # - run: terraform init
+      # - run: terraform apply -auto-approve
+      #   env:
+      #     TF_LOG: TRACE
+      # - run: terraform output -json
+      # - run: terraform destroy -auto-approve

examples/vagrant-k3s/VagrantFile

@@ -0,0 +1,26 @@
+# -*- mode: ruby -*-
+# vi: set ft=ruby :
+#
+
+Vagrant.configure("2") do |config|
+  config.vm.box = 'generic/ubuntu2204'
+  config.vm.boot_timeout = ENV['TEST_VM_BOOT_TIMEOUT'] || 600 # seconds
+  config.vm.synced_folder '.', '/vagrant', disabled: true
+
+  ['k3s-server-01', 'k3s-server-02', 'k3s-server-03', 'k3s-agent-01', 'k3s-agent-02'].each do |name|
+    config.vm.define name do |vm|
+        vm.vm.hostname = name
+    end
+  end
+
+  %w[libvirt virtualbox vmware_desktop].each do |p|
+    config.vm.provider p do |v|
+      v.cpus = ENV['TEST_VM_CPUS'] || 1
+      v.memory = ENV['TEST_VM_MEMORY'] || 512
+    end
+  end
+  config.vm.provider :virtualbox do |v,o|
+    v.gui = false
+    v.check_guest_additions = false
+  end
+end

examples/vagrant-k3s/main.tf

@@ -0,0 +1,11 @@
+resource "vagrant_vm" "k3s_nodes" {
+  get_ports = true
+}
+
+output "debug_sshconfig" {
+  value = vagrant_vm.k3s_nodes.ssh_config
+}
+
+output "debug_ports" {
+  value = vagrant_vm.k3s_nodes.ports
+}

examples/vagrant-k3s/versions.tf

@@ -0,0 +1,8 @@
+terraform {
+  required_providers {
+    vagrant = {
+      source  = "bmatcuk/vagrant"
+      version = "4.1.0"
+    }
+  }
+}