Initial commit: Chrony NTP Server add-on for Home Assistant
- NTP client syncs from configurable pools and servers - NTP server mode serves time to LAN clients - Web UI dashboard showing sync status, sources, and clients - Supports iburst and maxsources options Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
This commit is contained in:
Adam Harrison-Fuller
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Chrony NTP Server</title>
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<style>
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:root {
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--primary-color: #03a9f4;
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--background-color: #1c1c1c;
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--card-background: #2c2c2c;
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--text-color: #e0e0e0;
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--text-secondary: #9e9e9e;
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--success-color: #4caf50;
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--warning-color: #ff9800;
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--error-color: #f44336;
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--border-color: #404040;
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}
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* {
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box-sizing: border-box;
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margin: 0;
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padding: 0;
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}
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body {
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font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
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background-color: var(--background-color);
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color: var(--text-color);
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line-height: 1.6;
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padding: 20px;
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}
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.container {
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max-width: 1200px;
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margin: 0 auto;
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}
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header {
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display: flex;
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justify-content: space-between;
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align-items: center;
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margin-bottom: 30px;
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padding-bottom: 20px;
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border-bottom: 1px solid var(--border-color);
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}
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h1 {
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font-size: 24px;
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font-weight: 500;
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display: flex;
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align-items: center;
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gap: 10px;
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}
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h1 .icon {
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font-size: 28px;
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}
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.status-badge {
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padding: 6px 12px;
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border-radius: 20px;
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font-size: 14px;
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font-weight: 500;
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}
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.status-synced {
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background-color: rgba(76, 175, 80, 0.2);
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color: var(--success-color);
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}
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.status-warning {
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background-color: rgba(255, 152, 0, 0.2);
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color: var(--warning-color);
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}
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.status-error {
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background-color: rgba(244, 67, 54, 0.2);
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color: var(--error-color);
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}
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.grid {
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display: grid;
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grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
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gap: 20px;
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margin-bottom: 20px;
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}
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.card {
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background-color: var(--card-background);
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border-radius: 12px;
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padding: 20px;
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border: 1px solid var(--border-color);
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}
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.card h2 {
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font-size: 16px;
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font-weight: 500;
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color: var(--text-secondary);
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margin-bottom: 15px;
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text-transform: uppercase;
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letter-spacing: 0.5px;
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}
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.stat-grid {
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display: grid;
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grid-template-columns: repeat(2, 1fr);
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gap: 15px;
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}
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.stat {
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padding: 10px 0;
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}
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.stat-label {
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font-size: 12px;
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color: var(--text-secondary);
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margin-bottom: 4px;
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}
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.stat-value {
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font-size: 18px;
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font-weight: 500;
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color: var(--text-color);
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}
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.stat-value.mono {
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font-family: 'SF Mono', Monaco, 'Courier New', monospace;
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}
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table {
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width: 100%;
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border-collapse: collapse;
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}
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th, td {
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text-align: left;
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padding: 12px 8px;
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border-bottom: 1px solid var(--border-color);
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}
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th {
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font-size: 12px;
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color: var(--text-secondary);
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font-weight: 500;
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text-transform: uppercase;
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}
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td {
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font-size: 14px;
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}
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.source-state {
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display: inline-block;
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width: 8px;
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height: 8px;
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border-radius: 50%;
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margin-right: 8px;
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}
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.source-state.synced { background-color: var(--success-color); }
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.source-state.combined { background-color: #8bc34a; }
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.source-state.candidate { background-color: var(--primary-color); }
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.source-state.unreachable { background-color: var(--text-secondary); }
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.source-state.falseticker { background-color: var(--error-color); }
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.source-state.variable { background-color: var(--warning-color); }
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.button-group {
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display: flex;
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gap: 10px;
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margin-top: 15px;
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}
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.btn {
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padding: 10px 20px;
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border: none;
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border-radius: 8px;
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font-size: 14px;
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font-weight: 500;
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cursor: pointer;
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transition: all 0.2s;
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}
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.btn-primary {
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background-color: var(--primary-color);
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color: white;
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}
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.btn-primary:hover {
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background-color: #0288d1;
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}
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.btn-secondary {
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background-color: var(--border-color);
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color: var(--text-color);
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}
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.btn-secondary:hover {
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background-color: #505050;
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}
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.config-list {
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list-style: none;
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}
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.config-list li {
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padding: 8px 0;
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border-bottom: 1px solid var(--border-color);
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display: flex;
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justify-content: space-between;
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align-items: center;
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}
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.config-list li:last-child {
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border-bottom: none;
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}
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.tag {
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font-size: 12px;
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padding: 2px 8px;
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border-radius: 4px;
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background-color: var(--border-color);
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}
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.tag.enabled {
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background-color: rgba(76, 175, 80, 0.2);
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color: var(--success-color);
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}
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.refresh-info {
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font-size: 12px;
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color: var(--text-secondary);
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text-align: center;
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margin-top: 20px;
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}
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.toast {
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position: fixed;
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bottom: 20px;
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right: 20px;
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padding: 12px 24px;
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border-radius: 8px;
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background-color: var(--card-background);
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border: 1px solid var(--border-color);
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display: none;
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animation: slideIn 0.3s ease;
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}
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.toast.success { border-color: var(--success-color); }
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.toast.error { border-color: var(--error-color); }
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@keyframes slideIn {
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from { transform: translateY(100px); opacity: 0; }
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to { transform: translateY(0); opacity: 1; }
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}
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</style>
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</head>
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<body>
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<div class="container">
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<header>
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<h1>
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<span class="icon">🕐</span>
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Chrony NTP Server
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</h1>
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{% if status.tracking.stratum and status.tracking.stratum != '0' %}
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<span class="status-badge status-synced">● Synchronized</span>
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{% else %}
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<span class="status-badge status-warning">● Synchronizing</span>
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{% endif %}
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</header>
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<div class="grid">
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<div class="card">
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<h2>Time Synchronization Status</h2>
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<div class="stat-grid">
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<div class="stat">
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<div class="stat-label">Reference Server</div>
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<div class="stat-value">{{ status.tracking.reference_name or 'N/A' }}</div>
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</div>
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<div class="stat">
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<div class="stat-label">Stratum</div>
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<div class="stat-value">{{ status.tracking.stratum or 'N/A' }}</div>
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</div>
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<div class="stat">
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<div class="stat-label">System Time Offset</div>
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<div class="stat-value mono">{{ status.tracking.system_time or 'N/A' }}</div>
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</div>
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<div class="stat">
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<div class="stat-label">Frequency</div>
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<div class="stat-value mono">{{ status.tracking.frequency or 'N/A' }} ppm</div>
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</div>
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<div class="stat">
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<div class="stat-label">Root Delay</div>
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<div class="stat-value mono">{{ status.tracking.root_delay or 'N/A' }}</div>
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</div>
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<div class="stat">
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<div class="stat-label">Update Interval</div>
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<div class="stat-value mono">{{ status.tracking.update_interval or 'N/A' }}s</div>
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</div>
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</div>
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<div class="button-group">
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<button class="btn btn-primary" onclick="forceSync()">Force Sync</button>
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<button class="btn btn-secondary" onclick="burstSync()">Burst Mode</button>
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</div>
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</div>
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<div class="card">
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<h2>Configuration</h2>
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<ul class="config-list">
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<li>
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<span>NTP Server Mode</span>
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{% if options.enable_ntp_server %}
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<span class="tag enabled">Enabled</span>
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{% else %}
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<span class="tag">Disabled</span>
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{% endif %}
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</li>
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<li>
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<span>Detailed Logging</span>
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{% if options.detailed_logging %}
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<span class="tag enabled">Enabled</span>
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{% else %}
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<span class="tag">Disabled</span>
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{% endif %}
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</li>
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<li>
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<span>NTP Pools</span>
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<span class="tag">{{ options.ntp_pools|default([])|length }}</span>
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</li>
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<li>
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<span>NTP Servers</span>
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<span class="tag">{{ options.ntp_servers|default([])|length }}</span>
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</li>
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<li>
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<span>Allowed Networks</span>
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<span class="tag">{{ options.allow_clients|length }}</span>
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</li>
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</ul>
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<p style="margin-top: 15px; font-size: 13px; color: var(--text-secondary);">
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To modify settings, go to Add-on Configuration in Home Assistant.
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</p>
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</div>
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</div>
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<div class="card">
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<h2>NTP Sources</h2>
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<table>
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<thead>
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<tr>
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<th>Status</th>
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<th>Server</th>
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<th>Stratum</th>
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<th>Poll</th>
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<th>Reach</th>
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<th>Offset</th>
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</tr>
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</thead>
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<tbody>
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{% for source in status.sources %}
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<tr>
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<td>
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{% if source.state == '*' %}
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<span class="source-state synced"></span>Synced
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{% elif source.state == '+' %}
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<span class="source-state combined"></span>Combined
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{% elif source.state == '-' %}
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<span class="source-state candidate"></span>Candidate
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{% elif source.state == '?' %}
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<span class="source-state unreachable"></span>Unreachable
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{% elif source.state == 'x' %}
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<span class="source-state falseticker"></span>Falseticker
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{% elif source.state == '~' %}
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<span class="source-state variable"></span>Variable
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{% else %}
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<span class="source-state unreachable"></span>Unknown
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{% endif %}
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</td>
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<td>{{ source.name }}</td>
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<td>{{ source.stratum }}</td>
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<td>{{ (2 ** (source.poll | int)) }}s</td>
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<td>{{ source.reach }}</td>
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<td>{{ source.last_sample_offset }}</td>
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</tr>
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{% else %}
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<tr>
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<td colspan="6" style="text-align: center; color: var(--text-secondary);">
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No sources available yet. Chrony may still be starting up.
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</td>
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</tr>
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{% endfor %}
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</tbody>
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</table>
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</div>
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{% if options.enable_ntp_server %}
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<div class="card" style="margin-top: 20px;">
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<h2>Connected Clients</h2>
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<table>
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<thead>
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<tr>
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<th>Client</th>
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<th>NTP Requests</th>
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<th>Dropped</th>
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<th>Last Seen</th>
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</tr>
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</thead>
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<tbody>
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{% for client in status.clients %}
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<tr>
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<td>{{ client.hostname }}</td>
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<td>{{ client.ntp_requests }}</td>
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<td>{{ client.drop }}</td>
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<td>{{ client.last_rx }}</td>
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</tr>
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{% else %}
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<tr>
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<td colspan="4" style="text-align: center; color: var(--text-secondary);">
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No clients have connected yet.
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</td>
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</tr>
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{% endfor %}
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</tbody>
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</table>
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<h3 style="margin-top: 20px; font-size: 14px; color: var(--text-secondary);">Allowed Networks</h3>
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<ul class="config-list" style="margin-top: 10px;">
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{% for network in options.allow_clients %}
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<li>{{ network }}</li>
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{% endfor %}
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</ul>
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</div>
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{% endif %}
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<p class="refresh-info">Page auto-refreshes every 30 seconds • Last updated: <span id="lastUpdate"></span></p>
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</div>
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<div id="toast" class="toast"></div>
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<script>
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// Get base path for API calls (handles HA ingress prefix)
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const basePath = window.location.pathname.replace(/\/$/, '');
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// Update timestamp
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document.getElementById('lastUpdate').textContent = new Date().toLocaleTimeString();
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// Auto-refresh every 30 seconds
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setTimeout(() => location.reload(), 30000);
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function showToast(message, type) {
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const toast = document.getElementById('toast');
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toast.textContent = message;
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toast.className = 'toast ' + type;
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toast.style.display = 'block';
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setTimeout(() => toast.style.display = 'none', 3000);
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}
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function forceSync() {
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fetch(basePath + '/api/force-sync', { method: 'POST' })
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.then(r => r.json())
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.then(data => {
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showToast(data.message, data.success ? 'success' : 'error');
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if (data.success) setTimeout(() => location.reload(), 1000);
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})
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.catch(() => showToast('Failed to connect', 'error'));
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}
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function burstSync() {
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fetch(basePath + '/api/burst', { method: 'POST' })
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.then(r => r.json())
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.then(data => {
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showToast(data.message, data.success ? 'success' : 'error');
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})
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.catch(() => showToast('Failed to connect', 'error'));
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}
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</script>
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</body>
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</html>
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Reference in New Issue
Block a user