Add debug and upgrade to Go 1.19 (#10)

* add debug mode with request logging
* upgrade to go 1.19

.github/workflows/pr.yml

@@ -13,12 +13,12 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v2
         with:
-          go-version: 1.16
+          go-version: 1.19
 
       - name: Run Golang CI Lint
-        uses: golangci/golangci-lint-action@v2
+        uses: golangci/golangci-lint-action@v3
         with:
-          version: v1.33
+          version: latest
 
       - name: Build
         run: CGO_ENABLED=0 go build -ldflags="-extldflags '-static' -w -s" -o k8s-dashboard-auth-proxy

.github/workflows/tag.yml

@@ -21,12 +21,12 @@ jobs:
       - name: Set up Go
         uses: actions/setup-go@v2
         with:
-          go-version: 1.16
+          go-version: 1.19
 
       - name: Run Golang CI Lint
-        uses: golangci/golangci-lint-action@v2
+        uses: golangci/golangci-lint-action@v3
         with:
-          version: v1.33
+          version: latest
 
       - name: Build
         run: CGO_ENABLED=0 go build -ldflags="-extldflags '-static' -w -s" -o k8s-dashboard-auth-proxy

main.go

@@ -12,9 +12,11 @@ func main() {
 
 	// Define and parse flags
 	var loginURL, guestClusterName, proxyURL string
+	var debug bool
 	flag.StringVar(&loginURL, "login-url", "", "WCP login URL")
 	flag.StringVar(&guestClusterName, "guest-cluster-name", "", "Tanzu guest cluster name")
 	flag.StringVar(&proxyURL, "proxy-url", "http://127.0.0.1:9090/", "Dashboard URL to proxy")
+	flag.BoolVar(&debug, "debug", false, "Debug mode")
 	flag.Parse()
 
 	// Check that loginURL and guestClusterName are set
@@ -24,7 +26,7 @@ func main() {
 	}
 
 	// Server requests
-	err := proxy.Server(loginURL, guestClusterName, proxyURL)
+	err := proxy.Server(loginURL, guestClusterName, proxyURL, debug)
 	if err != nil {
 		fmt.Printf("failed to start proxy: %s", err)
 		os.Exit(1)

proxy/server.go

@@ -5,15 +5,23 @@ import (
 	"net/http"
 
 	"github.com/go-chi/chi"
+	"github.com/go-chi/chi/middleware"
 )
 
-func Server(loginURL, guestClusterName, proxyURL string) error {
+func Server(loginURL, guestClusterName, proxyURL string, debug bool) error {
 
 	// Remove timestamp from logs
 	log.SetFlags(0)
 
-	// Create router and register handlers
+	// Create router
 	r := chi.NewRouter()
+
+	// Enable request logging if debug is enabled
+	if debug {
+		r.Use(middleware.Logger)
+	}
+
+	// Add routes
 	r.HandleFunc("/*", proxyHandler(proxyURL))
 	r.Get("/login", loginGetHandler)
 	r.Post("/login", loginPostHandler(loginURL, guestClusterName))