Add TFLint for examples

Author: koendelaat

.github/workflows/terraform.yml

@@ -130,3 +130,20 @@ jobs:
         continue-on-error: true
       - name: validate terraform
         run: terraform validate
+      - if: contains(matrix.terraform, '1.3.')
+        uses: actions/[email protected]
+        name: Cache TFLint plugin dir
+        with:
+          path: ~/.tflint.d/plugins
+          key: tflint-${{ hashFiles('.tflint.hcl') }}
+      - if: contains(matrix.terraform, '1.3.')
+        name: Setup TFLint
+        uses: terraform-linters/setup-tflint@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+      - if: contains(matrix.terraform, '1.3.')
+        name: Run TFLint
+        working-directory: ${{ github.workspace }}
+        run: |
+          tflint --init -c ${GITHUB_WORKSPACE}/.tflint.hcl --chdir modules/${{ matrix.module }}
+          tflint -f compact -c ${GITHUB_WORKSPACE}/.tflint.hcl --var-file ${GITHUB_WORKSPACE}/.github/lint/tflint.tfvars --chdir examples/${{ matrix.example }}