fix: deduplicate filesystem mounts in monitoring

src/api/types/infrastructure-monitoring.ts

@@ -46,6 +46,7 @@ export type InfrastructureMonitoringOverview = {
     instance: string;
     device: string;
     mountpoint: string;
+    mountpoints: string[];
     filesystem: string;
     usagePercent: number | null;
     totalBytes: number | null;

src/apps/admin/system-monitoring/AdminSystemMonitoringPage.css

@@ -176,6 +176,9 @@
 .system-monitoring-metric small { color: var(--color-text-muted); font-size: 12px; }
 .system-monitoring-metric strong { color: var(--color-text-strong); font-size: 23px; line-height: 1.25; }
 .system-monitoring-metric small { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
+.system-monitoring-metric__mounts { color: var(--color-text-muted); font-size: 11px; margin-top: 3px; }
+.system-monitoring-metric__mounts summary { cursor: pointer; }
+.system-monitoring-metric__mounts ul { margin: 5px 0 0; padding-left: 16px; overflow-wrap: anywhere; }
 
 .system-monitoring-main-grid {
   align-items: start;

src/apps/admin/system-monitoring/AdminSystemMonitoringPage.tsx

@@ -61,6 +61,26 @@ function formatRate(value: number | null) {
   return value === null ? '—' : `${formatBytes(value)}/s`;
 }
 
+export function DiskMetricCards({ disks }: { disks: InfrastructureMonitoringOverview['disks'] }) {
+  if (!disks.length) return <article className="surface system-monitoring-metric"><HardDrive size={19} /><div><span>磁盘</span><strong>暂无数据</strong></div></article>;
+  return <>{disks.map((disk) => {
+    const aliases = (disk.mountpoints ?? [disk.mountpoint]).filter((path) => path !== disk.mountpoint);
+    return <article className="surface system-monitoring-metric" key={disk.id}>
+      <div className="system-monitoring-metric__icon is-amber"><HardDrive size={19} /></div>
+      <div>
+        <span>{disk.mountpoint === '/' ? '系统盘' : '磁盘'} {disk.mountpoint}</span>
+        <strong>{formatPercent(disk.usagePercent)}</strong>
+        <small title={`${disk.device} · ${disk.filesystem} · ${disk.instance}`}>{disk.device} · {disk.filesystem}</small>
+        <small>{formatBytes(disk.availableBytes)} 可用 / {formatBytes(disk.totalBytes)}</small>
+        {aliases.length > 0 ? <details className="system-monitoring-metric__mounts">
+          <summary>其他挂载点（{aliases.length}）</summary>
+          <ul>{aliases.map((path) => <li key={path}>{path}</li>)}</ul>
+        </details> : null}
+      </div>
+    </article>;
+  })}</>;
+}
+
 function totalNetworkRate(receive: number | null | undefined, transmit: number | null | undefined) {
   if (receive === null || receive === undefined || transmit === null || transmit === undefined) return null;
   return receive + transmit;
@@ -352,11 +372,7 @@ export function AdminSystemMonitoringPage() {
       <div className="system-monitoring-metrics">
         <article className="surface system-monitoring-metric"><div className="system-monitoring-metric__icon is-blue"><Cpu size={19} /></div><div><span>CPU 使用率</span><strong>{formatPercent(metrics?.cpuUsagePercent ?? null)}</strong><small>5分钟平均</small></div></article>
         <article className="surface system-monitoring-metric"><div className="system-monitoring-metric__icon is-violet"><MemoryStick size={19} /></div><div><span>内存使用率</span><strong>{formatPercent(metrics?.memoryUsagePercent ?? null)}</strong><small>{formatBytes(metrics?.memoryAvailableBytes ?? null)} 可用 / {formatBytes(metrics?.memoryTotalBytes ?? null)}</small></div></article>
-        {(overview?.disks ?? []).map((disk) => <article className="surface system-monitoring-metric" key={disk.id}>
-          <div className="system-monitoring-metric__icon is-amber"><HardDrive size={19} /></div>
-          <div><span>{disk.mountpoint === '/' ? '系统盘' : '磁盘'} {disk.mountpoint}</span><strong>{formatPercent(disk.usagePercent)}</strong><small title={`${disk.device} · ${disk.filesystem} · ${disk.instance}`}>{disk.device} · {disk.filesystem}</small><small>{formatBytes(disk.availableBytes)} 可用 / {formatBytes(disk.totalBytes)}</small></div>
-        </article>)}
-        {!overview?.disks?.length ? <article className="surface system-monitoring-metric"><HardDrive size={19} /><div><span>磁盘</span><strong>暂无数据</strong></div></article> : null}
+        <DiskMetricCards disks={overview?.disks ?? []} />
         <article className="surface system-monitoring-metric"><div className="system-monitoring-metric__icon is-green"><Network size={19} /></div><div><span>网络吞吐</span><strong>{formatRate(totalNetworkRate(metrics?.networkReceiveBytesPerSecond, metrics?.networkTransmitBytesPerSecond))}</strong><small>接收 {formatRate(metrics?.networkReceiveBytesPerSecond ?? null)} · 发送 {formatRate(metrics?.networkTransmitBytesPerSecond ?? null)}</small></div></article>
       </div>
 
@@ -364,7 +380,7 @@ export function AdminSystemMonitoringPage() {
         <div className="system-monitoring-chart-stack">
           <article className="surface system-monitoring-chart-card"><header><div><Cpu size={17} /><strong>CPU 趋势</strong></div><span>{formatPercent(metrics?.cpuUsagePercent ?? null)}</span></header>{overview?.trends.cpuUsagePercent.length ? <Chart height={230} option={cpuOption} /> : <EmptyChart />}</article>
           <article className="surface system-monitoring-chart-card"><header><div><MemoryStick size={17} /><strong>内存趋势</strong></div><span>{formatPercent(metrics?.memoryUsagePercent ?? null)}</span></header>{overview?.trends.memoryUsagePercent.length ? <Chart height={230} option={memoryOption} /> : <EmptyChart />}</article>
-          <article className="surface system-monitoring-chart-card"><header><div><HardDrive size={17} /><strong>全部磁盘趋势</strong></div><span>{overview?.disks?.length ?? 0} 个挂载点</span></header>{overview?.disks?.some((disk) => disk.trend.length) ? <Chart height={230} option={diskOption} /> : <EmptyChart />}</article>
+          <article className="surface system-monitoring-chart-card"><header><div><HardDrive size={17} /><strong>全部磁盘趋势</strong></div><span>{overview?.disks?.length ?? 0} 个文件系统</span></header>{overview?.disks?.some((disk) => disk.trend.length) ? <Chart height={230} option={diskOption} /> : <EmptyChart />}</article>
           <article className="surface system-monitoring-chart-card"><header><div><Activity size={17} /><strong>网络趋势</strong></div><span>{formatRate(totalNetworkRate(metrics?.networkReceiveBytesPerSecond, metrics?.networkTransmitBytesPerSecond))}</span></header>{overview?.trends.networkReceiveBytesPerSecond.length ? <Chart height={230} option={networkOption} /> : <EmptyChart />}</article>
         </div>
 

src/apps/admin/system-monitoring/DiskMetricCards.test.tsx

@@ -0,0 +1,42 @@
+import { render, screen } from '@testing-library/react';
+import userEvent from '@testing-library/user-event';
+import { describe, expect, it, vi } from 'vitest';
+import type { InfrastructureMonitoringOverview } from '@/api/adminApi';
+import { DiskMetricCards } from './AdminSystemMonitoringPage';
+
+vi.mock('@/components/ui/Chart', () => ({ Chart: () => null }));
+
+const disk: InfrastructureMonitoringOverview['disks'][number] = {
+  id: '["host:9100","/dev/sdb1","ext4"]', instance: 'host:9100', device: '/dev/sdb1',
+  filesystem: 'ext4', mountpoint: '/data', mountpoints: ['/data', '/var/lib/minio', '/var/lib/pgsql', '/var/lib/redis'],
+  totalBytes: 100 * 1024 ** 3, availableBytes: 90 * 1024 ** 3, usagePercent: 10, trend: [],
+};
+
+describe('filesystem metric cards', () => {
+  it('shows one capacity card and expandable alias paths for a bind-mounted filesystem', async () => {
+    render(<DiskMetricCards disks={[disk]} />);
+    expect(screen.getAllByRole('article')).toHaveLength(1);
+    expect(screen.getByText('磁盘 /data')).toBeInTheDocument();
+    expect(screen.getByText('90.0 GB 可用 / 100.0 GB')).toBeInTheDocument();
+    const summary = screen.getByText('其他挂载点（3）');
+    expect(summary.closest('details')).not.toHaveAttribute('open');
+    await userEvent.click(summary);
+    expect(summary.closest('details')).toHaveAttribute('open');
+    for (const path of disk.mountpoints.slice(1)) expect(screen.getByText(path)).toBeVisible();
+  });
+
+  it('keeps the root filesystem distinct and does not invent aliases or missing metrics', () => {
+    render(<DiskMetricCards disks={[disk, { ...disk, id: 'root', device: '/dev/sda2', mountpoint: '/', mountpoints: ['/'], usagePercent: null }]} />);
+    expect(screen.getAllByRole('article')).toHaveLength(2);
+    expect(screen.getByText('系统盘 /')).toBeInTheDocument();
+    expect(screen.getAllByText('其他挂载点（3）')).toHaveLength(1);
+    expect(screen.getByText('—')).toBeInTheDocument();
+  });
+
+  it('shows an explicit unavailable state without stale disk cards', () => {
+    const { rerender } = render(<DiskMetricCards disks={[disk]} />);
+    rerender(<DiskMetricCards disks={[]} />);
+    expect(screen.getByText('暂无数据')).toBeInTheDocument();
+    expect(screen.queryByText('磁盘 /data')).not.toBeInTheDocument();
+  });
+});