过滤资源监控中的虚拟磁盘挂载点

admin/dashboard/blueprints/system.py

@@ -35,6 +35,42 @@ NETWORK_IO_SAMPLE = {
     "bytes_recv": 0,
 }
 
+# 资源监控页默认隐藏这类“对日常容量判断帮助不大”的系统挂载：
+# 1. `squashfs` 基本就是 Ubuntu / Snap 挂出来的只读镜像；
+# 2. `/dev/loop*` 多数也是镜像回环设备，看起来 100% 但不代表真实磁盘爆满；
+# 3. `/proc` / `/sys` / `/dev` 这类伪文件系统更偏内核运行态，不适合放在业务运维首页里。
+IGNORED_DISK_FSTYPES = {
+    "squashfs",
+    "proc",
+    "sysfs",
+    "devtmpfs",
+    "devfs",
+    "securityfs",
+    "cgroup",
+    "cgroup2",
+    "pstore",
+    "autofs",
+    "mqueue",
+    "hugetlbfs",
+    "debugfs",
+    "tracefs",
+    "configfs",
+    "fusectl",
+    "rpc_pipefs",
+    "tmpfs",
+}
+IGNORED_DISK_MOUNTPOINT_PREFIXES = (
+    "/snap/",
+    "/proc",
+    "/sys",
+    "/dev",
+    "/run/",
+    "/var/lib/snapd/",
+)
+IGNORED_DISK_DEVICE_PREFIXES = (
+    "/dev/loop",
+)
+
 
 def _system_config_path() -> str:
     return os.path.abspath(os.path.join(os.path.dirname(__file__), '..', '..', '..', 'config.yaml'))
@@ -108,6 +144,25 @@ def _format_datetime_text(timestamp_value: float | int | None) -> str:
         return "-"
 
 
+def _should_ignore_disk_partition(partition) -> bool:
+    """判断某个挂载点是否应该从首页磁盘列表中隐藏。"""
+    mountpoint = str(getattr(partition, "mountpoint", "") or "").strip()
+    device = str(getattr(partition, "device", "") or "").strip()
+    fstype = str(getattr(partition, "fstype", "") or "").strip().lower()
+
+    # Windows 下通常不会命中这些 Linux 伪文件系统规则，这里保持跨平台兼容即可。
+    if fstype in IGNORED_DISK_FSTYPES:
+        return True
+
+    if any(mountpoint.startswith(prefix) for prefix in IGNORED_DISK_MOUNTPOINT_PREFIXES):
+        return True
+
+    if any(device.startswith(prefix) for prefix in IGNORED_DISK_DEVICE_PREFIXES):
+        return True
+
+    return False
+
+
 def _sample_network_speed() -> dict:
     """根据两次页面采样估算网络上下行速率。"""
     counters = psutil.net_io_counters()
@@ -159,12 +214,16 @@ def _extract_server_runtime_snapshot() -> dict:
         load_values = (0.0, 0.0, 0.0)
 
     disk_items = []
+    hidden_disk_items_count = 0
     seen_mountpoints = set()
     for partition in psutil.disk_partitions(all=False):
         mountpoint = str(getattr(partition, "mountpoint", "") or "").strip()
         if not mountpoint or mountpoint in seen_mountpoints:
             continue
         seen_mountpoints.add(mountpoint)
+        if _should_ignore_disk_partition(partition):
+            hidden_disk_items_count += 1
+            continue
         try:
             usage = psutil.disk_usage(mountpoint)
         except Exception:
@@ -228,6 +287,7 @@ def _extract_server_runtime_snapshot() -> dict:
             "primary_used_bytes": _safe_int(getattr(primary_disk_usage, "used", 0)),
             "io_read_bytes": _safe_int(getattr(disk_io, "read_bytes", 0)) if disk_io else 0,
             "io_write_bytes": _safe_int(getattr(disk_io, "write_bytes", 0)) if disk_io else 0,
+            "hidden_virtual_mount_count": hidden_disk_items_count,
             "items": disk_items[:8],
         },
         "network": {

admin/dashboard/templates/system_status.html

@@ -281,7 +281,9 @@
             <div slot="header" class="workspace-header">
                 <div>
                     <h3>磁盘挂载点</h3>
-                    <p>按使用率排序展示常用挂载点，方便快速发现哪个分区快满了。</p>
+                    <p>
+                        {% raw %}{{ diskMountBrief }}{% endraw %}
+                    </p>
                 </div>
             </div>
             <el-table :data="disk.items || []" size="mini" style="width: 100%">
@@ -403,6 +405,13 @@
                 const sourceText = browser.launch_source ? `source=${browser.launch_source}` : 'source=-';
                 return `${loopText} · ${pidText} · ${sourceText}`;
             },
+            diskMountBrief() {
+                const hiddenCount = Number(this.disk.hidden_virtual_mount_count || 0);
+                if (hiddenCount > 0) {
+                    return `按使用率排序展示常用挂载点，已隐藏 ${hiddenCount} 个 snap / loop / squashfs 等虚拟挂载。`;
+                }
+                return '按使用率排序展示常用挂载点，方便快速发现哪个分区快满了。';
+            },
             alertItems() {
                 const items = [];
                 const cpuUsage = this.normalizePercent(this.cpu.usage_percent);