simplify woodpecker pipeline, add ctrl/standalone gateway
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buenosairesam
198
ctrl/standalone/main.py
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198
ctrl/standalone/main.py
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"""Minimal sysmonstm gateway - standalone mode without dependencies."""
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from fastapi import FastAPI, WebSocket, WebSocketDisconnect
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from fastapi.responses import HTMLResponse
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import json
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import asyncio
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from datetime import datetime
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app = FastAPI(title="sysmonstm")
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# Store connected websockets
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connections: list[WebSocket] = []
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# Store latest metrics from collectors
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machines: dict = {}
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HTML = """
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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>sysmonstm</title>
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<style>
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:root {
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--bg: #1a1a2e;
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--bg2: #16213e;
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--text: #eee;
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--accent: #e94560;
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--success: #4ade80;
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--muted: #666;
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}
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* { box-sizing: border-box; margin: 0; padding: 0; }
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body {
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font-family: system-ui, sans-serif;
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background: var(--bg);
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color: var(--text);
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min-height: 100vh;
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padding: 2rem;
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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: 2rem;
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padding-bottom: 1rem;
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border-bottom: 2px solid var(--accent);
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}
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h1 { font-size: 1.5rem; }
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.status {
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display: flex;
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align-items: center;
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gap: 0.5rem;
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font-size: 0.875rem;
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}
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.dot {
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width: 10px;
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height: 10px;
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border-radius: 50%;
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background: var(--accent);
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}
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.dot.ok { background: var(--success); }
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.machines {
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display: grid;
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grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
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gap: 1rem;
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}
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.machine {
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background: var(--bg2);
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border-radius: 8px;
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padding: 1rem;
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}
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.machine h3 { margin-bottom: 0.5rem; }
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.metric {
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display: flex;
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justify-content: space-between;
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padding: 0.25rem 0;
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border-bottom: 1px solid #333;
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}
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.empty {
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text-align: center;
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color: var(--muted);
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padding: 4rem;
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}
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.empty p { margin-top: 1rem; }
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</style>
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</head>
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<body>
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<header>
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<h1>sysmonstm</h1>
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<div class="status">
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<span class="dot" id="ws-status"></span>
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<span id="status-text">connecting...</span>
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</div>
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</header>
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<main>
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<div id="machines" class="machines">
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<div class="empty">
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<h2>No collectors connected</h2>
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<p>Start a collector to see metrics</p>
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</div>
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</div>
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</main>
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<script>
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const machinesEl = document.getElementById('machines');
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const statusDot = document.getElementById('ws-status');
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const statusText = document.getElementById('status-text');
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let machines = {};
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function connect() {
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const ws = new WebSocket(`wss://${location.host}/ws`);
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ws.onopen = () => {
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statusDot.classList.add('ok');
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statusText.textContent = 'connected';
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};
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ws.onclose = () => {
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statusDot.classList.remove('ok');
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statusText.textContent = 'disconnected';
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setTimeout(connect, 2000);
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};
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ws.onmessage = (e) => {
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const data = JSON.parse(e.data);
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if (data.type === 'metrics') {
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machines[data.machine_id] = data;
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render();
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}
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};
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}
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function render() {
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const ids = Object.keys(machines);
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if (ids.length === 0) {
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machinesEl.innerHTML = '<div class="empty"><h2>No collectors connected</h2><p>Start a collector to see metrics</p></div>';
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return;
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}
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machinesEl.innerHTML = ids.map(id => {
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const m = machines[id];
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return `
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<div class="machine">
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<h3>${id}</h3>
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<div class="metric"><span>CPU</span><span>${m.cpu?.toFixed(1) || '-'}%</span></div>
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<div class="metric"><span>Memory</span><span>${m.memory?.toFixed(1) || '-'}%</span></div>
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<div class="metric"><span>Disk</span><span>${m.disk?.toFixed(1) || '-'}%</span></div>
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<div class="metric"><span>Updated</span><span>${new Date(m.timestamp).toLocaleTimeString()}</span></div>
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</div>
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`;
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}).join('');
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}
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connect();
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</script>
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</body>
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</html>
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"""
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@app.get("/", response_class=HTMLResponse)
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async def index():
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return HTML
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@app.get("/health")
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async def health():
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return {"status": "ok", "machines": len(machines)}
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@app.websocket("/ws")
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async def websocket_endpoint(websocket: WebSocket):
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await websocket.accept()
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connections.append(websocket)
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try:
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# Send current state
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for machine_id, data in machines.items():
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await websocket.send_json({"type": "metrics", "machine_id": machine_id, **data})
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# Keep alive
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while True:
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try:
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msg = await asyncio.wait_for(websocket.receive_text(), timeout=30)
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data = json.loads(msg)
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if data.get("type") == "metrics":
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machine_id = data.get("machine_id", "unknown")
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machines[machine_id] = {**data, "timestamp": datetime.utcnow().isoformat()}
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# Broadcast to all
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for conn in connections:
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try:
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await conn.send_json({"type": "metrics", "machine_id": machine_id, **machines[machine_id]})
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except:
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pass
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except asyncio.TimeoutError:
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await websocket.send_json({"type": "ping"})
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except WebSocketDisconnect:
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pass
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finally:
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connections.remove(websocket)
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if __name__ == "__main__":
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import uvicorn
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uvicorn.run(app, host="0.0.0.0", port=8080)
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