mirror of
https://github.com/chrislusf/seaweedfs
synced 2025-06-29 08:12:47 +02:00
a1aab8a083
* add telemetry * fix go mod * add default telemetry server url * Update README.md * replace with broker count instead of s3 count * Update telemetry.pb.go * github action to deploy
111 lines
3.4 KiB
Go
111 lines
3.4 KiB
Go
package main
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import (
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"encoding/json"
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"flag"
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"fmt"
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"log"
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"net/http"
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"time"
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"github.com/prometheus/client_golang/prometheus/promhttp"
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"github.com/seaweedfs/seaweedfs/telemetry/server/api"
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"github.com/seaweedfs/seaweedfs/telemetry/server/dashboard"
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"github.com/seaweedfs/seaweedfs/telemetry/server/storage"
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)
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var (
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port = flag.Int("port", 8080, "HTTP server port")
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enableCORS = flag.Bool("cors", true, "Enable CORS for dashboard")
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logRequests = flag.Bool("log", true, "Log incoming requests")
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enableDashboard = flag.Bool("dashboard", true, "Enable built-in dashboard (optional when using Grafana)")
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cleanupInterval = flag.Duration("cleanup", 24*time.Hour, "Cleanup interval for old instances")
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maxInstanceAge = flag.Duration("max-age", 30*24*time.Hour, "Maximum age for instances before cleanup")
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)
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func main() {
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flag.Parse()
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// Create Prometheus storage instance
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store := storage.NewPrometheusStorage()
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// Start cleanup routine
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go func() {
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ticker := time.NewTicker(*cleanupInterval)
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defer ticker.Stop()
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for range ticker.C {
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store.CleanupOldInstances(*maxInstanceAge)
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}
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}()
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// Setup HTTP handlers
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mux := http.NewServeMux()
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// Prometheus metrics endpoint
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mux.Handle("/metrics", promhttp.Handler())
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// API endpoints
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apiHandler := api.NewHandler(store)
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mux.HandleFunc("/api/collect", corsMiddleware(logMiddleware(apiHandler.CollectTelemetry)))
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mux.HandleFunc("/api/stats", corsMiddleware(logMiddleware(apiHandler.GetStats)))
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mux.HandleFunc("/api/instances", corsMiddleware(logMiddleware(apiHandler.GetInstances)))
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mux.HandleFunc("/api/metrics", corsMiddleware(logMiddleware(apiHandler.GetMetrics)))
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// Dashboard (optional)
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if *enableDashboard {
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dashboardHandler := dashboard.NewHandler()
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mux.HandleFunc("/", corsMiddleware(dashboardHandler.ServeIndex))
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mux.HandleFunc("/dashboard", corsMiddleware(dashboardHandler.ServeIndex))
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mux.Handle("/static/", http.StripPrefix("/static/", http.FileServer(http.Dir("./static"))))
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}
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// Health check
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mux.HandleFunc("/health", func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Content-Type", "application/json")
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json.NewEncoder(w).Encode(map[string]string{
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"status": "ok",
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"time": time.Now().UTC().Format(time.RFC3339),
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})
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})
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addr := fmt.Sprintf(":%d", *port)
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log.Printf("Starting telemetry server on %s", addr)
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log.Printf("Prometheus metrics: http://localhost%s/metrics", addr)
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if *enableDashboard {
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log.Printf("Dashboard: http://localhost%s/dashboard", addr)
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}
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log.Printf("Cleanup interval: %v, Max instance age: %v", *cleanupInterval, *maxInstanceAge)
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if err := http.ListenAndServe(addr, mux); err != nil {
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log.Fatalf("Server failed: %v", err)
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}
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}
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func corsMiddleware(next http.HandlerFunc) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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if *enableCORS {
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w.Header().Set("Access-Control-Allow-Origin", "*")
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w.Header().Set("Access-Control-Allow-Methods", "GET, POST, OPTIONS")
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w.Header().Set("Access-Control-Allow-Headers", "Content-Type, Authorization")
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}
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if r.Method == "OPTIONS" {
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w.WriteHeader(http.StatusOK)
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return
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}
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next(w, r)
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}
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}
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func logMiddleware(next http.HandlerFunc) http.HandlerFunc {
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return func(w http.ResponseWriter, r *http.Request) {
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if *logRequests {
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start := time.Now()
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next(w, r)
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log.Printf("%s %s %s %v", r.Method, r.URL.Path, r.RemoteAddr, time.Since(start))
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} else {
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next(w, r)
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}
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}
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}
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