Peer Hosts
Multi-host dashboard not enabled. Configure /etc/cockpit/machines.d/ to surface peer hosts.
`;
// Subscribe to the live metrics tap. The unsubscribe function is
// stashed on the panel so a re-mount can clean up.
if (panel._unsubscribeMetrics) panel._unsubscribeMetrics();
try {
panel._unsubscribeMetrics = bridge.fleet.subscribeLoadAvg((samples) => {
if (!Array.isArray(samples)) return;
const [cpuUser, _cpuSys, memUsed, memTotal] = samples;
if (typeof cpuUser === 'number') {
const cpuEl = panel.querySelector('#fleet-cpu-user');
const cpuBar = panel.querySelector('#fleet-cpu-bar');
if (cpuEl) cpuEl.textContent = `${cpuUser.toFixed(1)}%`;
if (cpuBar) cpuBar.style.width = `${Math.min(cpuUser, 100)}%`;
}
if (typeof memUsed === 'number' && typeof memTotal === 'number' && memTotal > 0) {
const pct = (memUsed / memTotal) * 100;
const memEl = panel.querySelector('#fleet-mem-used');
const memBar = panel.querySelector('#fleet-mem-bar');
if (memEl) memEl.textContent = `${formatBytes(memUsed)} / ${formatBytes(memTotal)}`;
if (memBar) {
memBar.style.width = `${pct.toFixed(1)}%`;
memBar.classList.toggle('warn', pct > 75);
memBar.classList.toggle('danger', pct > 90);
}
}
});
} catch {
// Metrics channel unavailable — bars stay at 0%.
}
EventBus.emit('fleet.loaded');
}
function formatBytes(bytes) {
const units = ['B', 'KiB', 'MiB', 'GiB', 'TiB'];
let value = bytes;
let unit = 0;
while (value >= 1024 && unit < units.length - 1) {
value /= 1024;
unit += 1;
}
return `${value.toFixed(1)} ${units[unit]}`;
}
function escapeHtml(s) {
return String(s).replace(/[&<>]/g, (c) => ({ '&': '&', '<': '<', '>': '>' }[c]));
}
function renderSkeleton() {
return `