Add guest disk usage via virsh guestinfo --filesystem

Query each running VM's filesystem stats through the guest agent.
Show root filesystem used/total GB with color-coded bar in VM table.
Cached at 30s TTL since disk usage changes slowly.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
2026-02-24 21:56:25 -06:00
parent 7d8dbc3305
commit 695f4ef6dc
2 changed files with 69 additions and 2 deletions

View File

@@ -160,6 +160,7 @@
.vm-mem-fill { height: 100%; border-radius: 4px; transition: width 0.3s; }
.vm-table td.vm-cpu { font-weight: bold; }
.vm-table td.vm-mem { white-space: nowrap; }
.vm-table td.vm-disk { white-space: nowrap; }
@media (max-width: 700px) {
body { padding: 12px; }
@@ -353,7 +354,7 @@ function renderDetail(srv) {
return a.name.localeCompare(b.name);
});
html += '<table class="vm-table"><thead><tr>' +
'<th>Name</th><th>State</th><th>CPU</th><th>Memory</th><th>vCPUs</th><th>Autostart</th>' +
'<th>Name</th><th>State</th><th>CPU</th><th>Memory</th><th>Disk</th><th>vCPUs</th><th>Autostart</th>' +
'</tr></thead><tbody>';
for (const vm of sorted) {
const isRunning = vm.state === 'running';
@@ -361,6 +362,14 @@ function renderDetail(srv) {
const memUsed = vm.memory_used_mb || 0;
const memTotal = vm.memory_total_mb || vm.memory_mb || 0;
const memPct = memTotal > 0 ? (memUsed / memTotal * 100) : 0;
const vmDisks = vm.disks || [];
const rootDisk = vmDisks.find(d => d.mountpoint === '/') || vmDisks[0];
let diskHtml = '&mdash;';
if (isRunning && rootDisk) {
const diskPct = rootDisk.total_gb > 0 ? (rootDisk.used_gb / rootDisk.total_gb * 100) : 0;
diskHtml = rootDisk.used_gb + ' / ' + rootDisk.total_gb + ' GB' +
'<div class="vm-mem-bar"><div class="vm-mem-fill" style="width:' + diskPct + '%;background:' + usageColor(diskPct) + '"></div></div>';
}
html += '<tr>' +
'<td>' + vm.name + '</td>' +
'<td><span class="vm-state ' + vmStateClass(vm.state) + '">' + vm.state + '</span></td>' +
@@ -370,6 +379,7 @@ function renderDetail(srv) {
'<div class="vm-mem-bar"><div class="vm-mem-fill" style="width:' + memPct + '%;background:' + usageColor(memPct) + '"></div></div>'
: (isRunning ? formatMB(vm.memory_mb) : '&mdash;')) +
'</td>' +
'<td class="vm-disk">' + diskHtml + '</td>' +
'<td>' + vm.vcpus + '</td>' +
'<td>' + (vm.autostart ? 'yes' : 'no') + '</td>' +
'</tr>';