feat: complete SyncServer implementation
Full-stack Go monolith with embedded React frontend for orchestrating rsync-over-SSH file synchronization with Wake-on-LAN support. Features: - JWT auth (HS256) with bcrypt password hashing - CRUD for machines (with WoL config) and sync_pairs - Ed25519 SSH key generation and known_hosts management - WoL magic packet sender + TCP-connect waiter with backoff - Sync engine: rsync subprocess, per-pair job queue, progress parsing - Homebrew cron parser for scheduled syncs - SSE stream for live job status (queued/waking_up/running/success/failed) - React+TS+Vite+Tailwind SPA embedded via embed.FS - Debian packaging with systemd unit, postinst/prerm/postrm Tech stack: - Go 1.22+ (CGO_ENABLED=0, pure SQLite via modernc.org/sqlite) - chi router for HTTP API - TypeScript + React 18 + Tailwind CSS frontend - Cross-compiled to Linux amd64 for Proxmox LXC deployment Tests: wol (MAC parsing, magic packet), syncengine/queue, scheduler/cron
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import { useEffect, useState } from 'react';
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import { api, SyncPair, Machine } from '../api/client';
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export default function SyncPairs() {
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const [pairs, setPairs] = useState<SyncPair[]>([]);
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const [machines, setMachines] = useState<Machine[]>([]);
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const [showForm, setShowForm] = useState(false);
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const [form, setForm] = useState({
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id: undefined as number | undefined, name: '', source_machine_id: null as number | null, source_path: '',
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dest_machine_id: null as number | null, dest_path: '',
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direction: 'push', rsync_flags: '-aP', exclude_patterns: '', enabled: true,
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});
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const [running, setRunning] = useState<Record<number, boolean>>({});
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useEffect(() => { load(); }, []);
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async function load() {
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try {
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const [p, m] = await Promise.all([
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api<SyncPair[]>('/api/sync-pairs'),
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api<Machine[]>('/api/machines'),
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]);
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setPairs(p);
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setMachines(m);
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} catch {}
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}
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async function handleSubmit(e: React.FormEvent) {
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e.preventDefault();
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try {
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const payload = {
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name: form.name, source_machine_id: form.source_machine_id, source_path: form.source_path,
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dest_machine_id: form.dest_machine_id, dest_path: form.dest_path,
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direction: form.direction, rsync_flags: form.rsync_flags,
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exclude_patterns: form.exclude_patterns, enabled: form.enabled,
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};
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await api(form.id ? `/api/sync-pairs/${form.id}` : '/api/sync-pairs', {
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method: form.id ? 'PUT' : 'POST',
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body: payload,
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});
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setShowForm(false);
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resetForm();
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load();
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} catch (e: unknown) { alert((e as Error).message); }
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}
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async function trigger(pairId: number) {
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setRunning(r => ({ ...r, [pairId]: true }));
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try {
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await api(`/api/sync-pairs/${pairId}/run`, { method: 'POST' });
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load();
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} catch (e: unknown) { alert((e as Error).message); }
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setRunning(r => ({ ...r, [pairId]: false }));
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}
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async function remove(id: number) {
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if (!confirm('Delete sync pair?')) return;
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try { await api(`/api/sync-pairs/${id}`, { method: 'DELETE' }); load(); } catch { alert('Delete failed'); }
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}
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function resetForm() {
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setForm({ id: undefined, name: '', source_machine_id: null, source_path: '', dest_machine_id: null, dest_path: '', direction: 'push', rsync_flags: '-aP', exclude_patterns: '', enabled: true });
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}
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function machineName(id: number | null) {
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if (!id) return 'Local server';
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const m = machines.find(m => m.id === id);
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return m ? m.name : `Machine ${id}`;
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}
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return (
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<div className="p-6">
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<div className="flex justify-between items-center mb-6">
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<h1 className="text-2xl font-bold">Sync Pairs</h1>
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<button onClick={() => setShowForm(true)} className="bg-blue-600 hover:bg-blue-700 text-white px-4 py-2 rounded">
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Add Sync Pair
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</button>
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</div>
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{showForm && (
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<div className="fixed inset-0 bg-black/50 flex items-center justify-center z-50">
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<form onSubmit={handleSubmit} className="bg-gray-800 p-6 rounded-lg w-[500px] space-y-3 max-h-[90vh] overflow-y-auto">
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<h2 className="text-lg font-bold">Sync Pair</h2>
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<input placeholder="Name" value={form.name} onChange={e => setForm({...form, name: e.target.value})} className="w-full bg-gray-700 rounded px-3 py-2 text-white" required />
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<div className="grid grid-cols-2 gap-3">
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<div>
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<label className="text-gray-400 text-xs">Source Machine</label>
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<select value={form.source_machine_id ?? ''} onChange={e => setForm({...form, source_machine_id: e.target.value ? +e.target.value : null })} className="w-full bg-gray-700 rounded px-3 py-2 text-white">
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<option value="">Local server</option>
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{machines.map(m => <option key={m.id} value={m.id}>{m.name}</option>)}
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</select>
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</div>
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<div>
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<label className="text-gray-400 text-xs">Dest Machine</label>
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<select value={form.dest_machine_id ?? ''} onChange={e => setForm({...form, dest_machine_id: e.target.value ? +e.target.value : null })} className="w-full bg-gray-700 rounded px-3 py-2 text-white">
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<option value="">Local server</option>
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{machines.map(m => <option key={m.id} value={m.id}>{m.name}</option>)}
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</select>
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</div>
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</div>
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<div className="grid grid-cols-2 gap-3">
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<input placeholder="Source Path" value={form.source_path} onChange={e => setForm({...form, source_path: e.target.value})} className="w-full bg-gray-700 rounded px-3 py-2 text-white" required />
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<input placeholder="Dest Path" value={form.dest_path} onChange={e => setForm({...form, dest_path: e.target.value})} className="w-full bg-gray-700 rounded px-3 py-2 text-white" required />
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</div>
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<div className="grid grid-cols-2 gap-3">
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<select value={form.direction} onChange={e => setForm({...form, direction: e.target.value})} className="w-full bg-gray-700 rounded px-3 py-2 text-white">
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<option value="push">Push</option>
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<option value="pull">Pull</option>
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<option value="mirror">Mirror</option>
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</select>
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<input placeholder="Rsync Flags" value={form.rsync_flags} onChange={e => setForm({...form, rsync_flags: e.target.value})} className="w-full bg-gray-700 rounded px-3 py-2 text-white" />
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</div>
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<textarea placeholder="Exclude Patterns (one per line)" value={form.exclude_patterns} onChange={e => setForm({...form, exclude_patterns: e.target.value})} className="w-full bg-gray-700 rounded px-3 py-2 text-white font-mono text-sm" rows={3} />
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<div className="flex gap-2">
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<button type="submit" className="bg-blue-600 hover:bg-blue-700 text-white px-4 py-2 rounded flex-1">Save</button>
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<button type="button" onClick={() => { setShowForm(false); resetForm(); }} className="bg-gray-600 hover:bg-gray-500 text-white px-4 py-2 rounded">Cancel</button>
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</div>
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</form>
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</div>
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)}
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<table className="w-full text-sm bg-gray-800 rounded-lg overflow-hidden">
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<thead className="bg-gray-700">
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<tr className="text-left text-gray-400">
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<th className="p-3">Name</th>
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<th className="p-3">Source</th>
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<th className="p-3">Dest</th>
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<th className="p-3">Direction</th>
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<th className="p-3">Actions</th>
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</tr>
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</thead>
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<tbody>
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{pairs.map(p => (
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<tr key={p.id} className="border-t border-gray-700">
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<td className="p-3 font-medium">{p.name}</td>
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<td className="p-3 font-mono text-xs">{machineName(p.source_machine_id)}:{p.source_path}</td>
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<td className="p-3 font-mono text-xs">{machineName(p.dest_machine_id)}:{p.dest_path}</td>
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<td className="p-3">{p.direction}</td>
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<td className="p-3">
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<button onClick={() => trigger(p.id)} disabled={running[p.id]} className="text-green-400 hover:text-green-300 mr-3 disabled:opacity-50">
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{running[p.id] ? 'Running...' : 'Run'}
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</button>
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<button onClick={() => remove(p.id)} className="text-red-400 hover:text-red-300">Delete</button>
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</td>
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</tr>
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))}
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{pairs.length === 0 && <tr><td colSpan={5} className="p-4 text-center text-gray-500">No sync pairs</td></tr>}
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</tbody>
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</table>
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</div>
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);
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}
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