Add linter and move test data to testdata

.github/workflows/ci.yaml

@@ -24,6 +24,8 @@ jobs:
       - name: Setup tools
         if: steps.cache-tools.outputs.cache-hit != 'true'
         run: make setup
+      - name: Run lint
+        run: make lint
       - name: Run environment
         run: make start
         working-directory: e2e

Makefile

@@ -1,15 +1,20 @@
 BIN_DIR := $(shell pwd)/bin
 TOOLS_DIR := $(BIN_DIR)/download
 HELM_VERSION := 3.14.3
+JQ_VERSION := 1.7.1
 KIND_VERSION := 0.22.0
 KUBECTL_VERSION := 1.29.3
 KUSTOMIZE_VERSION := 5.3.0
+YQ_VERSION := 4.43.1
 
 # Test tools
+CUSTOMCHECKER := $(TOOLS_DIR)/custom-checker
 HELM := $(TOOLS_DIR)/helm
+JQ := $(TOOLS_DIR)/jq
 KUBECTL := $(TOOLS_DIR)/kubectl
 KUSTOMIZE := $(TOOLS_DIR)/kustomize
 STATICCHECK := $(TOOLS_DIR)/staticcheck
+YQ := $(TOOLS_DIR)/yq
 
 .PHONY: all
 all: help
@@ -21,37 +26,50 @@ help: ## Display this help
 	@awk 'BEGIN {FS = ":.*##"; printf "\nUsage:\n  make \033[36m<target>\033[0m\n"} /^[a-zA-Z_0-9-]+:.*?##/ { printf "  \033[36m%-15s\033[0m %s\n", $$1, $$2 } /^##@/ { printf "\n\033[1m%s\033[0m\n", substr($$0, 5) } ' $(MAKEFILE_LIST)
 
 .PHONY: setup
-setup: $(HELM) $(KUBECTL) $(KUSTOMIZE) ## Install necessary tools
+setup: $(HELM) $(JQ) $(KUBECTL) $(KUSTOMIZE) $(YQ) ## Install necessary tools
 	GOBIN=$(TOOLS_DIR) go install sigs.k8s.io/kind@v$(KIND_VERSION)
+	GOBIN=$(TOOLS_DIR) go install honnef.co/go/tools/cmd/staticcheck@latest
+	GOBIN=$(TOOLS_DIR) go install github.com/cybozu-go/golang-custom-analyzer/cmd/custom-checker@latest
 	$(HELM) repo add cilium https://helm.cilium.io/
 	$(HELM) repo update cilium
 
-$(HELM):
+$(TOOLS_DIR):
 	mkdir -p $(TOOLS_DIR)
+
+$(HELM): $(TOOLS_DIR)
 	wget -qO - https://get.helm.sh/helm-v$(HELM_VERSION)-linux-amd64.tar.gz | tar zx -O linux-amd64/helm > $@
 	chmod +x $@
 
-$(KUBECTL):
-	mkdir -p $(TOOLS_DIR)
+$(JQ): $(TOOLS_DIR)
+	wget -qO $@ https://github.com/jqlang/jq/releases/download/jq-$(JQ_VERSION)/jq-linux-amd64
+	chmod +x $@
+
+$(KUBECTL): $(TOOLS_DIR)
 	wget -qO $@ https://storage.googleapis.com/kubernetes-release/release/v$(KUBECTL_VERSION)/bin/linux/amd64/kubectl
 	chmod +x $@
 
-$(KUSTOMIZE):
-	mkdir -p $(TOOLS_DIR)
+$(KUSTOMIZE): $(TOOLS_DIR)
 	wget -qO - https://github.com/kubernetes-sigs/kustomize/releases/download/kustomize%2Fv$(KUSTOMIZE_VERSION)/kustomize_v$(KUSTOMIZE_VERSION)_linux_amd64.tar.gz | tar zx -O kustomize > $@
 	chmod +x $@
 
-.PHONY: build
-build:
-	mkdir -p $(BIN_DIR)
-	go build -o $(BIN_DIR)/cilium-policy main.go
+$(YQ): $(TOOLS_DIR)
+	wget -qO $@ https://github.com/mikefarah/yq/releases/download/v$(YQ_VERSION)/yq_linux_amd64
+	chmod +x $@
 
 .PHONY: clean
 clean:
 	rm -rf $(BIN_DIR)
 
-.PHONY: test
-test:
-	if find . -name go.mod | grep -q go.mod; then \
-		$(MAKE) test-go; \
-	fi
+##@ Development
+
+.PHONY: build
+build: ## Build cilium-policy-viewer
+	mkdir -p $(BIN_DIR)
+	go build -o $(BIN_DIR)/cilium-policy main.go
+
+.PHONY: lint
+lint: ## Run lint tools
+	go vet ./...
+	test -z "$$(gofmt -s -l . | tee /dev/stderr)"
+	$(STATICCHECK) ./...
+	test -z "$$($(CUSTOMCHECKER) -restrictpkg.packages=html/template,log ./... 2>&1 | tee /dev/stderr)"

e2e/Makefile

@@ -19,13 +19,13 @@ help: ## Display this help
 .PHONY: start
 start:
 	docker pull quay.io/cilium/cilium:v$(CILIUM_VERSION)
-	$(KIND) create cluster --config cluster.yaml
+	$(KIND) create cluster --config testdata/cluster.yaml
 	$(KIND) load docker-image quay.io/cilium/cilium:v$(CILIUM_VERSION)
 	$(HELM) install cilium cilium/cilium --version $(CILIUM_VERSION) \
 		--namespace kube-system \
 		--set image.pullPolicy=IfNotPresent \
 		--set ipam.mode=kubernetes
-	$(KUSTOMIZE) build . | $(KUBECTL) apply -f -
+	$(KUSTOMIZE) build testdata | $(KUBECTL) apply -f -
 	$(KUBECTL) wait --for=condition=Available --all deployments --all-namespaces --timeout=1h
 	$(KUBECTL) wait --for=condition=Ready --all pods --all-namespaces --timeout=1h
 

e2e/cluster.yaml → e2e/testdata/cluster.yaml

@@ -4,6 +4,5 @@ nodes:
   - role: control-plane
   - role: worker
   - role: worker
-  - role: worker
 networking:
   disableDefaultCNI: true