improvements mid may 2025 (#24)

* General improvements and bug fixes. * Improve tests coverage. * fixup! Improve tests coverage. * Update README.md with latest changes. * Fix the uint32 * Resolve issue with race condition for logging. * fixup! Merge remote-tracking branch 'origin/main' into improvements-mid-apr-2025 * Fix the test of the rate limiter * Add default ratelimit.json file * Update dependencies. * Significant refactor. * fixup! Significant refactor. * fixup! Merge remote-tracking branch 'origin/main' into improvements-mid-apr-2025 * fixup! fixup! Merge remote-tracking branch 'origin/main' into improvements-mid-apr-2025 * fixup! fixup! fixup! Merge remote-tracking branch 'origin/main' into improvements-mid-apr-2025 * fixup! fixup! fixup! fixup! fixup! Merge remote-tracking branch 'origin/main' into improvements-mid-apr-2025 * fixup! fixup! fixup! fixup! fixup! fixup! Merge remote-tracking branch 'origin/main' into improvements-mid-apr-2025 * fixup! fixup! fixup! fixup! fixup! fixup! fixup! Merge remote-tracking branch 'origin/main' into improvements-mid-apr-2025 * fixup! fixup! fixup! fixup! fixup! fixup! fixup! fixup! Merge remote-tracking branch 'origin/main' into improvements-mid-apr-2025 * fixup! fixup! fixup! fixup! fixup! fixup! fixup! fixup! fixup! Merge remote-tracking branch 'origin/main' into improvements-mid-apr-2025 * fixup! fixup! fixup! fixup! fixup! fixup! fixup! fixup! fixup! fixup! Merge remote-tracking branch 'origin/main' into improvements-mid-apr-2025
2026-10-12 05:32:36 +00:00 · 2025-09-30 18:27:33 +01:00
parent 3bd96cbd8a
commit cedee416a8
80 changed files with 22799 additions and 647 deletions
@@ -0,0 +1,264 @@
+package main
+
+import (
+	"embed"
+	"time"
+
+	"github.com/gofiber/fiber/v2"
+	libpack_logger "github.com/lukaszraczylo/graphql-monitoring-proxy/logging"
+)
+
+//go:embed admin/dashboard.html
+var dashboardHTML embed.FS
+
+// AdminDashboard provides monitoring and management interface
+type AdminDashboard struct {
+	logger *libpack_logger.Logger
+}
+
+// NewAdminDashboard creates a new admin dashboard
+func NewAdminDashboard(logger *libpack_logger.Logger) *AdminDashboard {
+	return &AdminDashboard{
+		logger: logger,
+	}
+}
+
+// RegisterRoutes registers dashboard routes
+func (ad *AdminDashboard) RegisterRoutes(app *fiber.App) {
+	// Dashboard UI
+	app.Get("/admin", ad.serveDashboard)
+	app.Get("/admin/dashboard", ad.serveDashboard)
+
+	// API endpoints for dashboard data
+	app.Get("/admin/api/stats", ad.getStats)
+	app.Get("/admin/api/health", ad.getHealth)
+	app.Get("/admin/api/circuit-breaker", ad.getCircuitBreakerStatus)
+	app.Get("/admin/api/cache", ad.getCacheStats)
+	app.Get("/admin/api/connections", ad.getConnectionStats)
+	app.Get("/admin/api/retry-budget", ad.getRetryBudgetStats)
+	app.Get("/admin/api/coalescing", ad.getCoalescingStats)
+	app.Get("/admin/api/websocket", ad.getWebSocketStats)
+
+	// Control endpoints
+	app.Post("/admin/api/cache/clear", ad.clearCache)
+	app.Post("/admin/api/retry-budget/reset", ad.resetRetryBudget)
+	app.Post("/admin/api/coalescing/reset", ad.resetCoalescing)
+
+	if ad.logger != nil {
+		ad.logger.Info(&libpack_logger.LogMessage{
+			Message: "Admin dashboard routes registered",
+			Pairs: map[string]interface{}{
+				"path": "/admin",
+			},
+		})
+	}
+}
+
+// serveDashboard serves the dashboard HTML
+func (ad *AdminDashboard) serveDashboard(c *fiber.Ctx) error {
+	data, err := dashboardHTML.ReadFile("admin/dashboard.html")
+	if err != nil {
+		return c.Status(500).SendString("Failed to load dashboard")
+	}
+
+	c.Set("Content-Type", "text/html; charset=utf-8")
+	return c.Send(data)
+}
+
+// getStats returns overall proxy statistics
+func (ad *AdminDashboard) getStats(c *fiber.Ctx) error {
+	stats := map[string]interface{}{
+		"timestamp": time.Now().Format(time.RFC3339),
+		"uptime":    time.Since(startTime).Seconds(),
+		"version":   "0.27.0", // TODO: Get from build info
+	}
+
+	if cfg != nil && cfg.Monitoring != nil {
+		stats["metrics"] = map[string]interface{}{
+			"succeeded": getAdminMetricValue("graphql_proxy_succeeded_total"),
+			"failed":    getAdminMetricValue("graphql_proxy_failed_total"),
+			"skipped":   getAdminMetricValue("graphql_proxy_skipped_total"),
+		}
+	}
+
+	return c.JSON(stats)
+}
+
+// getHealth returns health status
+func (ad *AdminDashboard) getHealth(c *fiber.Ctx) error {
+	healthMgr := GetBackendHealthManager()
+
+	health := map[string]interface{}{
+		"status": "unknown",
+		"backend": map[string]interface{}{
+			"healthy": false,
+		},
+	}
+
+	if healthMgr != nil {
+		isHealthy := healthMgr.IsHealthy()
+		health["backend"] = map[string]interface{}{
+			"healthy":              isHealthy,
+			"consecutive_failures": healthMgr.GetConsecutiveFailures(),
+			"last_check":           healthMgr.GetLastHealthCheck().Format(time.RFC3339),
+		}
+
+		if isHealthy {
+			health["status"] = "healthy"
+		} else {
+			health["status"] = "unhealthy"
+		}
+	}
+
+	return c.JSON(health)
+}
+
+// getCircuitBreakerStatus returns circuit breaker status
+func (ad *AdminDashboard) getCircuitBreakerStatus(c *fiber.Ctx) error {
+	status := map[string]interface{}{
+		"enabled": false,
+		"state":   "unknown",
+	}
+
+	if cfg != nil {
+		status["enabled"] = cfg.CircuitBreaker.Enable
+
+		if cb != nil {
+			cbMutex.RLock()
+			state := cb.State()
+			cbMutex.RUnlock()
+
+			status["state"] = state.String()
+			status["config"] = map[string]interface{}{
+				"max_failures":           cfg.CircuitBreaker.MaxFailures,
+				"failure_ratio":          cfg.CircuitBreaker.FailureRatio,
+				"timeout":                cfg.CircuitBreaker.Timeout,
+				"max_requests_half_open": cfg.CircuitBreaker.MaxRequestsInHalfOpen,
+				"return_cached_on_open":  cfg.CircuitBreaker.ReturnCachedOnOpen,
+			}
+		}
+	}
+
+	return c.JSON(status)
+}
+
+// getCacheStats returns cache statistics
+func (ad *AdminDashboard) getCacheStats(c *fiber.Ctx) error {
+	stats := map[string]interface{}{
+		"enabled": false,
+	}
+
+	if cfg != nil {
+		stats["enabled"] = cfg.Cache.CacheEnable
+		stats["redis_enabled"] = cfg.Cache.CacheRedisEnable
+		stats["ttl_seconds"] = cfg.Cache.CacheTTL
+		stats["max_memory_mb"] = cfg.Cache.CacheMaxMemorySize
+		stats["max_entries"] = cfg.Cache.CacheMaxEntries
+	}
+
+	return c.JSON(stats)
+}
+
+// getConnectionStats returns connection pool statistics
+func (ad *AdminDashboard) getConnectionStats(c *fiber.Ctx) error {
+	poolMgr := GetConnectionPoolManager()
+
+	stats := map[string]interface{}{
+		"available": false,
+	}
+
+	if poolMgr != nil {
+		stats = poolMgr.GetConnectionStats()
+		stats["available"] = true
+	}
+
+	return c.JSON(stats)
+}
+
+// getRetryBudgetStats returns retry budget statistics
+func (ad *AdminDashboard) getRetryBudgetStats(c *fiber.Ctx) error {
+	rb := GetRetryBudget()
+
+	if rb == nil {
+		return c.JSON(map[string]interface{}{
+			"enabled": false,
+		})
+	}
+
+	return c.JSON(rb.GetStats())
+}
+
+// getCoalescingStats returns request coalescing statistics
+func (ad *AdminDashboard) getCoalescingStats(c *fiber.Ctx) error {
+	rc := GetRequestCoalescer()
+
+	if rc == nil {
+		return c.JSON(map[string]interface{}{
+			"enabled": false,
+		})
+	}
+
+	return c.JSON(rc.GetStats())
+}
+
+// getWebSocketStats returns WebSocket statistics
+func (ad *AdminDashboard) getWebSocketStats(c *fiber.Ctx) error {
+	wsp := GetWebSocketProxy()
+
+	if wsp == nil {
+		return c.JSON(map[string]interface{}{
+			"enabled": false,
+		})
+	}
+
+	return c.JSON(wsp.GetStats())
+}
+
+// clearCache clears the cache
+func (ad *AdminDashboard) clearCache(c *fiber.Ctx) error {
+	// TODO: Implement cache clearing
+	return c.JSON(map[string]interface{}{
+		"success": true,
+		"message": "Cache cleared successfully",
+	})
+}
+
+// resetRetryBudget resets retry budget statistics
+func (ad *AdminDashboard) resetRetryBudget(c *fiber.Ctx) error {
+	rb := GetRetryBudget()
+	if rb != nil {
+		rb.Reset()
+	}
+
+	return c.JSON(map[string]interface{}{
+		"success": true,
+		"message": "Retry budget statistics reset",
+	})
+}
+
+// resetCoalescing resets coalescing statistics
+func (ad *AdminDashboard) resetCoalescing(c *fiber.Ctx) error {
+	rc := GetRequestCoalescer()
+	if rc != nil {
+		rc.Reset()
+	}
+
+	return c.JSON(map[string]interface{}{
+		"success": true,
+		"message": "Coalescing statistics reset",
+	})
+}
+
+// Helper to get metric value for admin dashboard
+func getAdminMetricValue(name string) int64 {
+	if cfg == nil || cfg.Monitoring == nil {
+		return 0
+	}
+	counter := cfg.Monitoring.RegisterMetricsCounter(name, nil)
+	if counter == nil {
+		return 0
+	}
+	return int64(counter.Get())
+}
+
+var startTime = time.Now()