添加刷新按钮

server/index.js

@@ -663,7 +663,7 @@ app.post('/api/settings', requireAuth, async (req, res) => {
 // ==================== Metrics Aggregation ====================
 
 // Reusable function to get overview metrics
-async function getOverview() {
+async function getOverview(force = false) {
   const [sources] = await db.query('SELECT * FROM prometheus_sources WHERE is_server_source = 1 AND type != "blackbox"');
   if (sources.length === 0) {
     return {
@@ -680,8 +680,12 @@ async function getOverview() {
 
   const allMetrics = await Promise.all(sources.map(async (source) => {
     const cacheKey = `source_metrics:${source.url}:${source.name}`;
-    const cached = await cache.get(cacheKey);
-    if (cached) return cached;
+    if (force) {
+      await cache.del(cacheKey);
+    } else {
+      const cached = await cache.get(cacheKey);
+      if (cached) return cached;
+    }
 
     try {
       const metrics = await prometheusService.getOverviewMetrics(source.url, source.name);
@@ -790,7 +794,8 @@ async function getOverview() {
 // Get all aggregated metrics from all Prometheus sources
 app.get('/api/metrics/overview', async (req, res) => {
   try {
-    const overview = await getOverview();
+    const force = req.query.force === 'true';
+    const overview = await getOverview(force);
     res.json(overview);
   } catch (err) {
     console.error('Error fetching overview metrics:', err);
@@ -801,9 +806,15 @@ app.get('/api/metrics/overview', async (req, res) => {
 // Get network traffic history (past 24h) from Prometheus
 app.get('/api/metrics/network-history', async (req, res) => {
   try {
+    const force = req.query.force === 'true';
     const cacheKey = 'network_history_all';
-    const cached = await cache.get(cacheKey);
-    if (cached) return res.json(cached);
+    
+    if (force) {
+      await cache.del(cacheKey);
+    } else {
+      const cached = await cache.get(cacheKey);
+      if (cached) return res.json(cached);
+    }
 
     const [sources] = await db.query('SELECT * FROM prometheus_sources WHERE is_server_source = 1 AND type != "blackbox"');
     if (sources.length === 0) {