OpenClaw/openclaw-dashboard
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feat: openclaw session dashboard

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Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
OpenClaw
2026-03-17 15:49:23 +00:00
commit e623d42eb8
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.gitignore
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node_modules/
.env
*.log
.DS_Store
Dockerfile
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# Stage 1 — install production dependencies
FROM node:22-alpine AS deps
WORKDIR /app
COPY package*.json ./
RUN npm ci --omit=dev
# Stage 2 — final image
FROM node:22-alpine
WORKDIR /app
# Copy dependencies from previous stage
COPY --from=deps /app/node_modules ./node_modules
# Copy application files
COPY server.js ./
COPY public/ ./public/
# Runtime config
ENV PORT=3850
ENV SESSIONS_DIR=/sessions
EXPOSE 3850
# Run as non-root for security
USER node
CMD ["node", "server.js"]
README.md
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# OpenClaw Dashboard
A lightweight web dashboard for monitoring OpenClaw (Claude Code / ACP) sessions in real-time.
## Features
- **Session list** — all agents/sessions with status, model, token counts, cost, and last activity
- **Session detail** — full message timeline with collapsible tool calls and thinking blocks
- **Live tail** — WebSocket streaming of new events as they arrive
- **Filtering** — by agent, status (active/idle/deleted/reset), and free-text search
- **Auto-refresh** — session list refreshes every 10 seconds
## Stack
- **Backend**: Node.js + Express + ws (no database — reads `.jsonl` files directly)
- **Frontend**: Vanilla HTML/CSS/JS SPA (no framework, dark GitHub-style theme)
---
## Quick start
### 1. Local (Node.js)
```bash
npm install
node server.js
```
Open [http://localhost:3850](http://localhost:3850)
### 2. Docker Compose
```bash
docker compose up -d
```
Open [http://localhost:3850](http://localhost:3850)
---
## Configuration
| Variable | Default | Description |
|---------------|---------------------------------|--------------------------------|
| `PORT` | `3850` | HTTP/WS listen port |
| `SESSIONS_DIR`| `/home/node/.openclaw/agents` | Root directory of agent folders|
```bash
PORT=8080 SESSIONS_DIR=/path/to/agents node server.js
```
---
## Session file format
Sessions are read from:
```
$SESSIONS_DIR/
├── <agent>/
│ └── sessions/
│ ├── <uuid>.jsonl # active or idle
│ ├── <uuid>.jsonl.deleted.* # deleted (archived)
│ └── <uuid>.jsonl.reset.* # reset (archived)
```
Each `.jsonl` file contains newline-delimited JSON events:
| Event type | Description |
|-------------------------|-------------------------------------|
| `session` | Session metadata (id, cwd) |
| `message` | User / assistant messages |
| `model_change` | Model switch |
| `thinking_level_change` | Thinking budget change |
| `custom` | Custom events (model-snapshot, etc.)|
---
## API
| Endpoint | Description |
|----------------------------------|------------------------------------|
| `GET /api/sessions` | List all sessions (parsed summary) |
| `GET /api/sessions/:agent/:id` | Full event log for one session |
| `WS /ws/sessions/:agent/:id` | Live tail (streams new events) |
---
## Deployment notes
- The Docker image runs as the `node` user (non-root).
- The sessions volume is mounted **read-only** (`ro`) — the dashboard never writes.
- `restart: unless-stopped` keeps the container running across reboots.
docker-compose.yml
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services:
openclaw-dashboard:
build: .
ports:
- "${PORT:-3850}:3850"
environment:
PORT: "3850"
SESSIONS_DIR: "/sessions"
volumes:
# Mount the sessions directory as read-only
- ${SESSIONS_DIR:-/home/node/.openclaw/agents}:/sessions:ro
restart: unless-stopped
healthcheck:
test: ["CMD", "wget", "-qO-", "http://localhost:3850/api/sessions"]
interval: 30s
timeout: 5s
retries: 3
start_period: 10s
package-lock.json
Generated
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}
package.json
+18
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@@ -0,0 +1,18 @@
{
"name": "openclaw-dashboard",
"version": "1.0.0",
"description": "Monitoring dashboard for OpenClaw (Claude Code / ACP) sessions",
"main": "server.js",
"scripts": {
"start": "node server.js",
"dev": "node --watch server.js"
},
"dependencies": {
"express": "^4.18.2",
"ws": "^8.16.0"
},
"engines": {
"node": ">=18"
},
"license": "MIT"
}
public/index.html
+1186
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File diff suppressed because it is too large Load Diff
server.js
+387
View File
@@ -0,0 +1,387 @@
'use strict';
const express = require('express');
const { WebSocketServer } = require('ws');
const fs = require('fs');
const path = require('path');
const readline = require('readline');
const http = require('http');
const { URL } = require('url');
const PORT = parseInt(process.env.PORT || '3850', 10);
const SESSIONS_DIR = process.env.SESSIONS_DIR || '/home/node/.openclaw/agents';
const app = express();
const server = http.createServer(app);
const wss = new WebSocketServer({ noServer: true });
// ---------------------------------------------------------------------------
// Security helpers
// ---------------------------------------------------------------------------
/** Prevent path traversal: only allow alphanumeric, dots, hyphens, underscores */
function isValidName(name) {
return (
typeof name === 'string' &&
name.length > 0 &&
name.length <= 256 &&
/^[a-zA-Z0-9._-]+$/.test(name) &&
!name.includes('..')
);
}
// ---------------------------------------------------------------------------
// File discovery
// ---------------------------------------------------------------------------
function getAgentDirs() {
try {
return fs.readdirSync(SESSIONS_DIR, { withFileTypes: true })
.filter(d => d.isDirectory())
.map(d => d.name);
} catch {
return [];
}
}
/**
* Returns all session file descriptors for an agent.
* Handles both plain `uuid.jsonl` and archived `uuid.jsonl.deleted.*` / `uuid.jsonl.reset.*`.
*/
function getSessionFiles(agent) {
if (!isValidName(agent)) return [];
const sessionsPath = path.join(SESSIONS_DIR, agent, 'sessions');
try {
const entries = fs.readdirSync(sessionsPath);
return entries
.filter(f => f.includes('.jsonl'))
.map(f => {
// The session ID is the part before the first `.jsonl`
const jsonlIdx = f.indexOf('.jsonl');
const fileSessionId = f.slice(0, jsonlIdx);
let status = null;
if (f.includes('.jsonl.deleted')) status = 'deleted';
else if (f.includes('.jsonl.reset')) status = 'reset';
return {
filename: f,
filePath: path.join(sessionsPath, f),
agent,
fileSessionId,
status, // null = active or idle (determined later by mtime)
};
});
} catch {
return [];
}
}
/** Find the file path for a given (agent, sessionId) pair */
function findSessionFile(agent, sessionId) {
if (!isValidName(agent) || !isValidName(sessionId)) return null;
const files = getSessionFiles(agent);
const match = files.find(f => f.fileSessionId === sessionId);
return match ? match.filePath : null;
}
// ---------------------------------------------------------------------------
// JSONL parsing helpers
// ---------------------------------------------------------------------------
/** Read all non-empty lines from a file, returns string[] */
function readLines(filePath) {
return new Promise((resolve, reject) => {
const lines = [];
const stream = fs.createReadStream(filePath, { encoding: 'utf8' });
const rl = readline.createInterface({ input: stream, crlfDelay: Infinity });
rl.on('line', line => { if (line.trim()) lines.push(line); });
rl.on('close', () => resolve(lines));
rl.on('error', reject);
stream.on('error', reject);
});
}
/**
* Parse a session file and return a summary object.
* Skips malformed lines silently.
*/
async function parseSessionSummary(fileInfo) {
const { filePath, fileSessionId, agent, status: fileStatus } = fileInfo;
try {
const lines = await readLines(filePath);
let sessionId = null;
let cwd = null;
let model = null;
let messageCount = 0;
let userMessages = 0;
let assistantMessages = 0;
let totalTokens = 0;
let totalCost = 0;
let firstTimestamp = null;
let lastTimestamp = null;
for (const line of lines) {
try {
const event = JSON.parse(line);
// Session start event
if (event.type === 'session') {
sessionId = event.id;
cwd = event.cwd;
if (!firstTimestamp && event.timestamp) firstTimestamp = event.timestamp;
continue;
}
// Model snapshot (most reliable model source)
if (event.type === 'custom' && event.customType === 'model-snapshot' && event.data?.modelId) {
model = event.data.modelId;
continue;
}
// Model change event
if (event.type === 'model_change' && event.modelId) {
if (!model) model = event.modelId;
continue;
}
// Message events
if (event.type === 'message') {
const msg = event.message || {};
messageCount++;
if (event.timestamp) {
if (!firstTimestamp) firstTimestamp = event.timestamp;
lastTimestamp = event.timestamp;
}
if (msg.usage) {
totalTokens += msg.usage.totalTokens || 0;
totalCost += msg.usage.cost?.total || 0;
}
// Extract model from assistant messages (skip proxy names)
if (!model && msg.model && msg.model !== 'delivery-mirror') {
model = msg.model;
}
if (msg.role === 'user') userMessages++;
if (msg.role === 'assistant') assistantMessages++;
}
} catch {
// Skip malformed line
}
}
// Determine status: file suffix wins, otherwise check mtime
let status = fileStatus;
if (!status) {
try {
const stat = fs.statSync(filePath);
const ageMs = Date.now() - stat.mtimeMs;
status = ageMs < 5 * 60 * 1000 ? 'active' : 'idle';
} catch {
status = 'idle';
}
}
return {
agent,
fileSessionId,
sessionId: sessionId || fileSessionId,
cwd,
model,
status,
messageCount,
userMessages,
assistantMessages,
totalTokens,
totalCost,
firstTimestamp,
lastTimestamp,
};
} catch {
return null;
}
}
/** Parse all events from a session file (for the detail view) */
async function parseAllEvents(filePath) {
const lines = await readLines(filePath);
const events = [];
for (const line of lines) {
try {
events.push(JSON.parse(line));
} catch {
// Skip malformed line
}
}
return events;
}
// ---------------------------------------------------------------------------
// API routes
// ---------------------------------------------------------------------------
/** GET /api/sessions — list all sessions across all agents */
app.get('/api/sessions', async (req, res) => {
try {
const agents = getAgentDirs();
const fileInfos = agents.flatMap(agent => getSessionFiles(agent));
// Parse all session files in parallel
const results = await Promise.all(fileInfos.map(info => parseSessionSummary(info)));
const sessions = results.filter(Boolean);
// Sort by last activity desc (most recent first)
sessions.sort((a, b) => {
const at = a.lastTimestamp || a.firstTimestamp || '';
const bt = b.lastTimestamp || b.firstTimestamp || '';
return bt.localeCompare(at);
});
res.json(sessions);
} catch (err) {
console.error('GET /api/sessions error:', err);
res.status(500).json({ error: err.message });
}
});
/** GET /api/sessions/:agent/:id — full event log for one session */
app.get('/api/sessions/:agent/:id', async (req, res) => {
const { agent, id } = req.params;
if (!isValidName(agent) || !isValidName(id)) {
return res.status(400).json({ error: 'Invalid parameters' });
}
const filePath = findSessionFile(agent, id);
if (!filePath) {
return res.status(404).json({ error: 'Session not found' });
}
try {
const events = await parseAllEvents(filePath);
res.json(events);
} catch (err) {
console.error(`GET /api/sessions/${agent}/${id} error:`, err);
res.status(500).json({ error: err.message });
}
});
// ---------------------------------------------------------------------------
// WebSocket — real-time tail of a session file
// ---------------------------------------------------------------------------
server.on('upgrade', (request, socket, head) => {
try {
const { pathname } = new URL(request.url, 'http://localhost');
if (pathname.startsWith('/ws/sessions/')) {
wss.handleUpgrade(request, socket, head, ws => {
wss.emit('connection', ws, request);
});
} else {
socket.destroy();
}
} catch {
socket.destroy();
}
});
wss.on('connection', (ws, request) => {
try {
const { pathname } = new URL(request.url, 'http://localhost');
// Pattern: /ws/sessions/:agent/:id
const match = pathname.match(/^\/ws\/sessions\/([^/]+)\/(.+)$/);
if (!match) {
ws.close(1008, 'Invalid path');
return;
}
const [, agent, sessionId] = match;
const filePath = findSessionFile(agent, sessionId);
if (!filePath) {
ws.close(1008, 'Session not found');
return;
}
let lastPosition = 0;
let remainder = '';
/** Read any new bytes since last read and emit parsed events */
const sendNewContent = () => {
if (ws.readyState !== 1 /* OPEN */) return;
try {
const stat = fs.statSync(filePath);
if (stat.size <= lastPosition) return;
const chunkSize = stat.size - lastPosition;
const buf = Buffer.alloc(chunkSize);
const fd = fs.openSync(filePath, 'r');
fs.readSync(fd, buf, 0, chunkSize, lastPosition);
fs.closeSync(fd);
lastPosition = stat.size;
remainder += buf.toString('utf8');
const lines = remainder.split('\n');
remainder = lines.pop() || ''; // keep incomplete last line
for (const line of lines) {
if (!line.trim()) continue;
// Validate JSON before sending
try {
JSON.parse(line); // throws if invalid
ws.send(line);
} catch {
// Skip malformed line
}
}
} catch {
// File read error (deleted, etc.) — ignore
}
};
// Send all existing content immediately
sendNewContent();
// Watch for new writes
let watcher = null;
try {
watcher = fs.watch(filePath, () => sendNewContent());
} catch {
// fs.watch unavailable — fall back to 1s polling
const interval = setInterval(sendNewContent, 1000);
ws.on('close', () => clearInterval(interval));
return;
}
ws.on('close', () => {
try { watcher?.close(); } catch { /* ignore */ }
});
} catch (err) {
console.error('WebSocket error:', err);
try { ws.close(1011, 'Internal error'); } catch { /* ignore */ }
}
});
// ---------------------------------------------------------------------------
// Static files + SPA fallback
// ---------------------------------------------------------------------------
app.use(express.static(path.join(__dirname, 'public')));
app.get('*', (_req, res) => {
res.sendFile(path.join(__dirname, 'public', 'index.html'));
});
// ---------------------------------------------------------------------------
// Start
// ---------------------------------------------------------------------------
server.listen(PORT, () => {
console.log(`OpenClaw Dashboard → http://localhost:${PORT}`);
console.log(`Sessions directory → ${SESSIONS_DIR}`);
});