chore: add lint target

.github/workflows/ci.yaml

@@ -37,3 +37,10 @@ jobs:
 
       - name: Terraform Validate
         run: make validate
+
+      - uses: terraform-linters/setup-tflint@v4
+        with:
+          tflint_version: v0.49.0
+
+      - name: Lint
+        run: make lint

.gitignore

@@ -0,0 +1,14 @@
+.idea
+.terraform
+.terraform.lock.hcl
+*.tfstate
+*.tfstate.*
+*.tfplan
+*.terraformrc
+*.tfvars
+terraform.rc
+*.json
+.DS_Store
+*.bkp
+*.dtmp
+.source

.tflint.hcl

@@ -0,0 +1,10 @@
+plugin "terraform" {
+  enabled = true
+  preset  = "recommended"
+}
+
+plugin "google" {
+  enabled = true
+  version = "0.26.0"
+  source  = "github.com/terraform-linters/tflint-ruleset-google"
+}

Makefile

@@ -1,5 +1,6 @@
 TF_DIRS = $(patsubst %/main.tf, %, $(shell find . -type d -name .terraform -prune -o -name 'main.tf' -print))
 VALIDATE_TF_DIRS = $(addprefix validate-,$(TF_DIRS))
+LINT_TF_DIRS = $(addprefix lint-,$(TF_DIRS))
 DOCS_TF_DIRS = $(addprefix docs-,$(TF_DIRS))
 
 # Generate docs for a terraform directories
@@ -30,3 +31,16 @@ $(VALIDATE_TF_DIRS): validate-%:
 # Validate all terraform directories
 validate: $(VALIDATE_TF_DIRS)
 	@echo "All validated"
+
+# Lint a terraform directories
+$(LINT_TF_DIRS): lint-%:
+	@echo "Lint $*"
+	tflint --config "$(PWD)/.tflint.hcl" --chdir="$*"
+
+# Initialize tflint
+lint-init:
+	tflint --init
+
+# Lint all terraform directories
+lint: lint-init $(LINT_TF_DIRS)
+	@echo "All linted"