[修改]node-exporter特权模式

docker-compose.yml

@@ -22,6 +22,9 @@ services:
       - prometheus
   node-exporter:
     build: docker/node_exporter
+    privileged: true
+    volumes:
+      - '/:/host:ro'
   opcua-exporter:
     build: opcua-exporter
 ##    volumes:

docker/node_exporter/Dockerfile

@@ -22,4 +22,6 @@ RUN architecture=$(uname -m); \
         exit 1; \
     fi
 
-CMD ["node_exporter"]
+RUN mkdir /host
+
+CMD ["node_exporter","--path.rootfs=/host"]

management-panel/app/Filament/Widgets/NetworkMonitor.php

@@ -36,7 +36,7 @@ class NetworkMonitor extends ChartWidget
 
         if ($selectedFilter === 'upload') {
             // 查询过去 1 分钟内每秒的上传流量
-            $uploadQuery = 'rate(node_network_transmit_bytes_total[1m])';
+            $uploadQuery = 'rate(node_network_transmit_bytes_total{device="eth0"}[1m])';
             $uploadResult = $prometheus->queryRange(
                 $uploadQuery,
                 now()->subMinutes(1)->timestamp,
@@ -55,14 +55,14 @@ class NetworkMonitor extends ChartWidget
 
                 foreach ($timestamps as $timestamp) {
                     $labels[] = date('H:i:s', $timestamp); // 格式化时间戳为小时:分钟:秒
-                    $uploadData[] = round(floatval($uploadValues[$timestamp]) / (1024 * 1024), 2); // 转换为 MB/s
+                    $uploadData[] = round(floatval($uploadValues[$timestamp]) / (1024*1024), 2); // 转换为 MB/s
                 }
             }
         }
 
         if ($selectedFilter === 'download') {
             // 查询过去 1 分钟内每秒的下载流量
-            $downloadQuery = 'rate(node_network_receive_bytes_total[1m])';
+            $downloadQuery = 'rate(node_network_receive_bytes_total{device="eth0"}[1m])';
             $downloadResult = $prometheus->queryRange(
                 $downloadQuery,
                 now()->subMinutes(1)->timestamp,

management-panel/app/Filament/Widgets/SystemStats.php

@@ -27,14 +27,14 @@ class SystemStats extends BaseWidget
         $memoryDisplay = round($memoryUsed / (1024 * 1024 * 1024), 2) . ' GB / ' . round($memoryTotal / (1024 * 1024 * 1024), 2) . ' GB';
 
         // 获取硬盘总量
-        $diskTotalQuery = 'node_filesystem_size_bytes{fstype!="rootfs",fstype!="tmpfs",fstype!="squashfs"}';
+        $diskTotalQuery = 'node_filesystem_size_bytes{fstype!="rootfs",fstype!="tmpfs",fstype!="squashfs",mountpoint=~"/|/home|/boot"}';
         $diskTotalResult = $prometheus->query($diskTotalQuery);
         $diskTotal = array_sum(array_map(function ($item) {
             return $item['value'][1] ?? 0;
         }, $diskTotalResult['data']['result']));
 
         // 获取已用硬盘
-        $diskFreeQuery = 'node_filesystem_free_bytes{fstype!="rootfs",fstype!="tmpfs",fstype!="squashfs"}';
+        $diskFreeQuery = 'node_filesystem_free_bytes{fstype!="rootfs",fstype!="tmpfs",fstype!="squashfs",mountpoint=~"/|/home|/boot"}';
         $diskFreeResult = $prometheus->query($diskFreeQuery);
         $diskFree = array_sum(array_map(function ($item) {
             return $item['value'][1] ?? 0;