fix26.2: полная UI-полировка peer/dashboard и завершение i18n

apps/service/metrics_collector.go

@@ -9,6 +9,8 @@ import (
 	"time"
 )
 
+const hysteriaVersionCacheTTL = 15 * time.Minute
+
 type metricsSnapshot struct {
 	CollectedAt    int64
 	System         vo.DashboardSystemVo
@@ -23,12 +25,41 @@ var metricsStore = struct {
 	sync.RWMutex
 	snapshot      metricsSnapshot
 	lastSuccessAt int64
+	version       string
+	versionAt     time.Time
 }{}
 
+func getCachedHysteriaVersion(now time.Time) string {
+	metricsStore.RLock()
+	if metricsStore.version != "" && now.Sub(metricsStore.versionAt) < hysteriaVersionCacheTTL {
+		v := metricsStore.version
+		metricsStore.RUnlock()
+		return v
+	}
+	metricsStore.RUnlock()
+
+	content, err := util.Exec(util.GetHysteria2BinPath() + " version")
+	if err != nil {
+		metricsStore.RLock()
+		v := metricsStore.version
+		metricsStore.RUnlock()
+		if v != "" {
+			return v
+		}
+		return "-"
+	}
+
+	metricsStore.Lock()
+	metricsStore.version = content
+	metricsStore.versionAt = now
+	metricsStore.Unlock()
+	return content
+}
+
 func CollectMetricsSnapshot() {
 	nowMs := time.Now().UnixMilli()
 	s := metricsSnapshot{
-		CollectedAt: nowMs,
+		CollectedAt:    nowMs,
 		CollectorState: vo.DataHealthVo{Status: "ok", LastSuccessAt: nowMs},
 		HysteriaState:  vo.DataHealthVo{Status: "ok", LastSuccessAt: nowMs},
 	}
@@ -52,10 +83,7 @@ func CollectMetricsSnapshot() {
 	}
 
 	s.Hysteria.Running = Hysteria2IsRunning()
-	s.Hysteria.Version = "-"
-	if content, err := util.Exec(util.GetHysteria2BinPath() + " version"); err == nil {
-		s.Hysteria.Version = content
-	}
+	s.Hysteria.Version = getCachedHysteriaVersion(time.Now())
 
 	if onlineMap, err := Hysteria2Online(); err == nil {
 		s.Hysteria.ApiReachable = true
@@ -80,6 +108,9 @@ func CollectMetricsSnapshot() {
 		running = 1
 	}
 	diskPath := "/"
+	if configured := util.GetEnvDiskPath(); configured != "" {
+		diskPath = configured
+	}
 	metric := entity.MetricSample{
 		SampledAt:       &nowMs,
 		CpuPercent:      &s.System.CpuPercent,
@@ -108,4 +139,3 @@ func DashboardSnapshot() metricsSnapshot {
 	defer metricsStore.RUnlock()
 	return metricsStore.snapshot
 }
-