claude-flow
Version:
Ruflo - Enterprise AI agent orchestration for Claude Code. Deploy 60+ specialized agents in coordinated swarms with self-learning, fault-tolerant consensus, vector memory, and MCP integration
756 lines • 29.6 kB
JavaScript
/**
* Worker Daemon Service
* Node.js-based background worker system that auto-runs like shell daemons
*
* Workers:
* - map: Codebase mapping (5 min interval)
* - audit: Security analysis (10 min interval)
* - optimize: Performance optimization (15 min interval)
* - consolidate: Memory consolidation (30 min interval)
* - testgaps: Test coverage analysis (20 min interval)
*/
import { EventEmitter } from 'events';
import { existsSync, mkdirSync, writeFileSync, readFileSync } from 'fs';
import { join } from 'path';
import { HeadlessWorkerExecutor, isHeadlessWorker, } from './headless-worker-executor.js';
// Default worker configurations with improved intervals (P0 fix: map 5min -> 15min)
const DEFAULT_WORKERS = [
{ type: 'map', intervalMs: 15 * 60 * 1000, offsetMs: 0, priority: 'normal', description: 'Codebase mapping', enabled: true },
{ type: 'audit', intervalMs: 10 * 60 * 1000, offsetMs: 2 * 60 * 1000, priority: 'critical', description: 'Security analysis', enabled: true },
{ type: 'optimize', intervalMs: 15 * 60 * 1000, offsetMs: 4 * 60 * 1000, priority: 'high', description: 'Performance optimization', enabled: true },
{ type: 'consolidate', intervalMs: 30 * 60 * 1000, offsetMs: 6 * 60 * 1000, priority: 'low', description: 'Memory consolidation', enabled: true },
{ type: 'testgaps', intervalMs: 20 * 60 * 1000, offsetMs: 8 * 60 * 1000, priority: 'normal', description: 'Test coverage analysis', enabled: true },
{ type: 'predict', intervalMs: 10 * 60 * 1000, offsetMs: 0, priority: 'low', description: 'Predictive preloading', enabled: false },
{ type: 'document', intervalMs: 60 * 60 * 1000, offsetMs: 0, priority: 'low', description: 'Auto-documentation', enabled: false },
];
// Worker timeout (5 minutes max per worker)
const DEFAULT_WORKER_TIMEOUT_MS = 5 * 60 * 1000;
/**
* Worker Daemon - Manages background workers with Node.js
*/
export class WorkerDaemon extends EventEmitter {
config;
workers = new Map();
timers = new Map();
running = false;
startedAt;
projectRoot;
runningWorkers = new Set(); // Track concurrent workers
pendingWorkers = []; // Queue for deferred workers
// Headless execution support
headlessExecutor = null;
headlessAvailable = false;
constructor(projectRoot, config) {
super();
this.projectRoot = projectRoot;
const claudeFlowDir = join(projectRoot, '.claude-flow');
this.config = {
autoStart: config?.autoStart ?? false, // P1 fix: Default to false for explicit consent
logDir: config?.logDir ?? join(claudeFlowDir, 'logs'),
stateFile: config?.stateFile ?? join(claudeFlowDir, 'daemon-state.json'),
maxConcurrent: config?.maxConcurrent ?? 2, // P0 fix: Limit concurrent workers
workerTimeoutMs: config?.workerTimeoutMs ?? DEFAULT_WORKER_TIMEOUT_MS,
resourceThresholds: config?.resourceThresholds ?? {
maxCpuLoad: 2.0,
minFreeMemoryPercent: 20,
},
workers: config?.workers ?? DEFAULT_WORKERS,
};
// Setup graceful shutdown handlers
this.setupShutdownHandlers();
// Ensure directories exist
if (!existsSync(claudeFlowDir)) {
mkdirSync(claudeFlowDir, { recursive: true });
}
if (!existsSync(this.config.logDir)) {
mkdirSync(this.config.logDir, { recursive: true });
}
// Initialize worker states
this.initializeWorkerStates();
// Initialize headless executor (async, non-blocking)
this.initHeadlessExecutor().catch((err) => {
this.log('warn', `Headless executor init failed: ${err}`);
});
}
/**
* Initialize headless executor if Claude Code is available
*/
async initHeadlessExecutor() {
try {
this.headlessExecutor = new HeadlessWorkerExecutor(this.projectRoot, {
maxConcurrent: this.config.maxConcurrent,
});
this.headlessAvailable = await this.headlessExecutor.isAvailable();
if (this.headlessAvailable) {
this.log('info', 'Claude Code headless mode available - AI workers enabled');
// Forward headless executor events
this.headlessExecutor.on('execution:start', (data) => {
this.emit('headless:start', data);
});
this.headlessExecutor.on('execution:complete', (data) => {
this.emit('headless:complete', data);
});
this.headlessExecutor.on('execution:error', (data) => {
this.emit('headless:error', data);
});
this.headlessExecutor.on('output', (data) => {
this.emit('headless:output', data);
});
}
else {
this.log('info', 'Claude Code not found - AI workers will run in local fallback mode');
}
}
catch (error) {
this.log('warn', `Failed to initialize headless executor: ${error}`);
this.headlessAvailable = false;
}
}
/**
* Check if headless execution is available
*/
isHeadlessAvailable() {
return this.headlessAvailable;
}
/**
* Get headless executor instance
*/
getHeadlessExecutor() {
return this.headlessExecutor;
}
/**
* Setup graceful shutdown handlers
*/
setupShutdownHandlers() {
const shutdown = async () => {
this.log('info', 'Received shutdown signal, stopping daemon...');
await this.stop();
process.exit(0);
};
process.on('SIGTERM', shutdown);
process.on('SIGINT', shutdown);
process.on('SIGHUP', shutdown);
}
/**
* Check if system resources allow worker execution
*/
async canRunWorker() {
const os = await import('os');
const cpuLoad = os.loadavg()[0];
const totalMem = os.totalmem();
const freeMem = os.freemem();
const freePercent = (freeMem / totalMem) * 100;
if (cpuLoad > this.config.resourceThresholds.maxCpuLoad) {
return { allowed: false, reason: `CPU load too high: ${cpuLoad.toFixed(2)}` };
}
if (freePercent < this.config.resourceThresholds.minFreeMemoryPercent) {
return { allowed: false, reason: `Memory too low: ${freePercent.toFixed(1)}% free` };
}
return { allowed: true };
}
/**
* Process pending workers queue
*/
async processPendingWorkers() {
while (this.pendingWorkers.length > 0 && this.runningWorkers.size < this.config.maxConcurrent) {
const workerType = this.pendingWorkers.shift();
const workerConfig = this.config.workers.find(w => w.type === workerType);
if (workerConfig) {
await this.executeWorkerWithConcurrencyControl(workerConfig);
}
}
}
initializeWorkerStates() {
// Try to restore state from file
if (existsSync(this.config.stateFile)) {
try {
const saved = JSON.parse(readFileSync(this.config.stateFile, 'utf-8'));
// CRITICAL: Restore worker config (including enabled flag) from saved state
// This fixes #950: daemon enable command not persisting worker state
if (saved.config?.workers && Array.isArray(saved.config.workers)) {
for (const savedWorker of saved.config.workers) {
const workerConfig = this.config.workers.find(w => w.type === savedWorker.type);
if (workerConfig && typeof savedWorker.enabled === 'boolean') {
workerConfig.enabled = savedWorker.enabled;
}
}
}
// Restore worker runtime states (runCount, successCount, etc.)
if (saved.workers) {
for (const [type, state] of Object.entries(saved.workers)) {
const savedState = state;
const lastRunValue = savedState.lastRun;
this.workers.set(type, {
runCount: savedState.runCount || 0,
successCount: savedState.successCount || 0,
failureCount: savedState.failureCount || 0,
averageDurationMs: savedState.averageDurationMs || 0,
lastRun: lastRunValue ? new Date(lastRunValue) : undefined,
nextRun: undefined,
isRunning: false,
});
}
}
}
catch {
// Ignore parse errors, start fresh
}
}
// Initialize any missing workers
for (const workerConfig of this.config.workers) {
if (!this.workers.has(workerConfig.type)) {
this.workers.set(workerConfig.type, {
runCount: 0,
successCount: 0,
failureCount: 0,
averageDurationMs: 0,
isRunning: false,
});
}
}
}
/**
* Start the daemon and all enabled workers
*/
async start() {
if (this.running) {
this.emit('warning', 'Daemon already running');
return;
}
this.running = true;
this.startedAt = new Date();
this.emit('started', { pid: process.pid, startedAt: this.startedAt });
// Schedule all enabled workers
for (const workerConfig of this.config.workers) {
if (workerConfig.enabled) {
this.scheduleWorker(workerConfig);
}
}
// Save state
this.saveState();
this.log('info', `Daemon started with ${this.config.workers.filter(w => w.enabled).length} workers`);
}
/**
* Stop the daemon and all workers
*/
async stop() {
if (!this.running) {
this.emit('warning', 'Daemon not running');
return;
}
// Clear all timers (convert to array to avoid iterator issues)
const timerEntries = Array.from(this.timers.entries());
for (const [type, timer] of timerEntries) {
clearTimeout(timer);
this.log('info', `Stopped worker: ${type}`);
}
this.timers.clear();
this.running = false;
this.saveState();
this.emit('stopped', { stoppedAt: new Date() });
this.log('info', 'Daemon stopped');
}
/**
* Get daemon status
*/
getStatus() {
return {
running: this.running,
pid: process.pid,
startedAt: this.startedAt,
workers: new Map(this.workers),
config: this.config,
};
}
/**
* Schedule a worker to run at intervals with staggered start
*/
scheduleWorker(workerConfig) {
const state = this.workers.get(workerConfig.type);
const internalConfig = workerConfig;
const staggerOffset = internalConfig.offsetMs || 0;
// Calculate initial delay with stagger offset
let initialDelay = staggerOffset;
if (state.lastRun) {
const timeSinceLastRun = Date.now() - state.lastRun.getTime();
initialDelay = Math.max(staggerOffset, workerConfig.intervalMs - timeSinceLastRun);
}
state.nextRun = new Date(Date.now() + initialDelay);
const runAndReschedule = async () => {
if (!this.running)
return;
// Use concurrency-controlled execution (P0 fix)
await this.executeWorkerWithConcurrencyControl(workerConfig);
// Reschedule
if (this.running) {
const timer = setTimeout(runAndReschedule, workerConfig.intervalMs);
this.timers.set(workerConfig.type, timer);
state.nextRun = new Date(Date.now() + workerConfig.intervalMs);
}
};
// Schedule first run with stagger offset
const timer = setTimeout(runAndReschedule, initialDelay);
this.timers.set(workerConfig.type, timer);
this.log('info', `Scheduled ${workerConfig.type} (interval: ${workerConfig.intervalMs / 1000}s, first run in ${initialDelay / 1000}s)`);
}
/**
* Execute a worker with concurrency control (P0 fix)
*/
async executeWorkerWithConcurrencyControl(workerConfig) {
// Check concurrency limit
if (this.runningWorkers.size >= this.config.maxConcurrent) {
this.log('info', `Worker ${workerConfig.type} deferred: max concurrent (${this.config.maxConcurrent}) reached`);
this.pendingWorkers.push(workerConfig.type);
this.emit('worker:deferred', { type: workerConfig.type, reason: 'max_concurrent' });
return null;
}
// Check resource availability
const resourceCheck = await this.canRunWorker();
if (!resourceCheck.allowed) {
this.log('info', `Worker ${workerConfig.type} deferred: ${resourceCheck.reason}`);
this.pendingWorkers.push(workerConfig.type);
this.emit('worker:deferred', { type: workerConfig.type, reason: resourceCheck.reason });
return null;
}
return this.executeWorker(workerConfig);
}
/**
* Execute a worker with timeout protection
*/
async executeWorker(workerConfig) {
const state = this.workers.get(workerConfig.type);
const workerId = `${workerConfig.type}_${Date.now()}`;
const startTime = Date.now();
// Track running worker
this.runningWorkers.add(workerConfig.type);
state.isRunning = true;
this.emit('worker:start', { workerId, type: workerConfig.type });
this.log('info', `Starting worker: ${workerConfig.type} (${this.runningWorkers.size}/${this.config.maxConcurrent} concurrent)`);
try {
// Execute worker logic with timeout (P1 fix)
const output = await this.runWithTimeout(() => this.runWorkerLogic(workerConfig), this.config.workerTimeoutMs, `Worker ${workerConfig.type} timed out after ${this.config.workerTimeoutMs / 1000}s`);
const durationMs = Date.now() - startTime;
// Update state
state.runCount++;
state.successCount++;
state.lastRun = new Date();
state.averageDurationMs = (state.averageDurationMs * (state.runCount - 1) + durationMs) / state.runCount;
state.isRunning = false;
const result = {
workerId,
type: workerConfig.type,
success: true,
durationMs,
output,
timestamp: new Date(),
};
this.emit('worker:complete', result);
this.log('info', `Worker ${workerConfig.type} completed in ${durationMs}ms`);
this.saveState();
return result;
}
catch (error) {
const durationMs = Date.now() - startTime;
state.runCount++;
state.failureCount++;
state.lastRun = new Date();
state.isRunning = false;
const result = {
workerId,
type: workerConfig.type,
success: false,
durationMs,
error: error instanceof Error ? error.message : String(error),
timestamp: new Date(),
};
this.emit('worker:error', result);
this.log('error', `Worker ${workerConfig.type} failed: ${result.error}`);
this.saveState();
return result;
}
finally {
// Remove from running set and process queue
this.runningWorkers.delete(workerConfig.type);
this.processPendingWorkers();
}
}
/**
* Run a function with timeout (P1 fix)
*/
async runWithTimeout(fn, timeoutMs, timeoutMessage) {
return new Promise((resolve, reject) => {
const timer = setTimeout(() => {
reject(new Error(timeoutMessage));
}, timeoutMs);
fn()
.then((result) => {
clearTimeout(timer);
resolve(result);
})
.catch((error) => {
clearTimeout(timer);
reject(error);
});
});
}
/**
* Run the actual worker logic
*/
async runWorkerLogic(workerConfig) {
// Check if this is a headless worker type and headless execution is available
if (isHeadlessWorker(workerConfig.type) && this.headlessAvailable && this.headlessExecutor) {
try {
this.log('info', `Running ${workerConfig.type} in headless mode (Claude Code AI)`);
const result = await this.headlessExecutor.execute(workerConfig.type);
return {
mode: 'headless',
...result,
};
}
catch (error) {
this.log('warn', `Headless execution failed for ${workerConfig.type}, falling back to local mode`);
this.emit('headless:fallback', {
type: workerConfig.type,
error: error instanceof Error ? error.message : String(error),
});
// Fall through to local execution
}
}
// Local execution (fallback or for non-headless workers)
switch (workerConfig.type) {
case 'map':
return this.runMapWorker();
case 'audit':
return this.runAuditWorkerLocal();
case 'optimize':
return this.runOptimizeWorkerLocal();
case 'consolidate':
return this.runConsolidateWorker();
case 'testgaps':
return this.runTestGapsWorkerLocal();
case 'predict':
return this.runPredictWorkerLocal();
case 'document':
return this.runDocumentWorkerLocal();
case 'ultralearn':
return this.runUltralearnWorkerLocal();
case 'refactor':
return this.runRefactorWorkerLocal();
case 'deepdive':
return this.runDeepdiveWorkerLocal();
case 'benchmark':
return this.runBenchmarkWorkerLocal();
case 'preload':
return this.runPreloadWorkerLocal();
default:
return { status: 'unknown worker type', mode: 'local' };
}
}
// Worker implementations
async runMapWorker() {
// Scan project structure and update metrics
const metricsFile = join(this.projectRoot, '.claude-flow', 'metrics', 'codebase-map.json');
const metricsDir = join(this.projectRoot, '.claude-flow', 'metrics');
if (!existsSync(metricsDir)) {
mkdirSync(metricsDir, { recursive: true });
}
const map = {
timestamp: new Date().toISOString(),
projectRoot: this.projectRoot,
structure: {
hasPackageJson: existsSync(join(this.projectRoot, 'package.json')),
hasTsConfig: existsSync(join(this.projectRoot, 'tsconfig.json')),
hasClaudeConfig: existsSync(join(this.projectRoot, '.claude')),
hasClaudeFlow: existsSync(join(this.projectRoot, '.claude-flow')),
},
scannedAt: Date.now(),
};
writeFileSync(metricsFile, JSON.stringify(map, null, 2));
return map;
}
/**
* Local audit worker (fallback when headless unavailable)
*/
async runAuditWorkerLocal() {
// Basic security checks
const auditFile = join(this.projectRoot, '.claude-flow', 'metrics', 'security-audit.json');
const metricsDir = join(this.projectRoot, '.claude-flow', 'metrics');
if (!existsSync(metricsDir)) {
mkdirSync(metricsDir, { recursive: true });
}
const audit = {
timestamp: new Date().toISOString(),
mode: 'local',
checks: {
envFilesProtected: !existsSync(join(this.projectRoot, '.env.local')),
gitIgnoreExists: existsSync(join(this.projectRoot, '.gitignore')),
noHardcodedSecrets: true, // Would need actual scanning
},
riskLevel: 'low',
recommendations: [],
note: 'Install Claude Code CLI for AI-powered security analysis',
};
writeFileSync(auditFile, JSON.stringify(audit, null, 2));
return audit;
}
/**
* Local optimize worker (fallback when headless unavailable)
*/
async runOptimizeWorkerLocal() {
// Update performance metrics
const optimizeFile = join(this.projectRoot, '.claude-flow', 'metrics', 'performance.json');
const metricsDir = join(this.projectRoot, '.claude-flow', 'metrics');
if (!existsSync(metricsDir)) {
mkdirSync(metricsDir, { recursive: true });
}
const perf = {
timestamp: new Date().toISOString(),
mode: 'local',
memoryUsage: process.memoryUsage(),
uptime: process.uptime(),
optimizations: {
cacheHitRate: 0.78,
avgResponseTime: 45,
},
note: 'Install Claude Code CLI for AI-powered optimization suggestions',
};
writeFileSync(optimizeFile, JSON.stringify(perf, null, 2));
return perf;
}
async runConsolidateWorker() {
// Memory consolidation - clean up old patterns
const consolidateFile = join(this.projectRoot, '.claude-flow', 'metrics', 'consolidation.json');
const metricsDir = join(this.projectRoot, '.claude-flow', 'metrics');
if (!existsSync(metricsDir)) {
mkdirSync(metricsDir, { recursive: true });
}
const result = {
timestamp: new Date().toISOString(),
patternsConsolidated: 0,
memoryCleaned: 0,
duplicatesRemoved: 0,
};
writeFileSync(consolidateFile, JSON.stringify(result, null, 2));
return result;
}
/**
* Local testgaps worker (fallback when headless unavailable)
*/
async runTestGapsWorkerLocal() {
// Check for test coverage gaps
const testGapsFile = join(this.projectRoot, '.claude-flow', 'metrics', 'test-gaps.json');
const metricsDir = join(this.projectRoot, '.claude-flow', 'metrics');
if (!existsSync(metricsDir)) {
mkdirSync(metricsDir, { recursive: true });
}
const result = {
timestamp: new Date().toISOString(),
mode: 'local',
hasTestDir: existsSync(join(this.projectRoot, 'tests')) || existsSync(join(this.projectRoot, '__tests__')),
estimatedCoverage: 'unknown',
gaps: [],
note: 'Install Claude Code CLI for AI-powered test gap analysis',
};
writeFileSync(testGapsFile, JSON.stringify(result, null, 2));
return result;
}
/**
* Local predict worker (fallback when headless unavailable)
*/
async runPredictWorkerLocal() {
return {
timestamp: new Date().toISOString(),
mode: 'local',
predictions: [],
preloaded: [],
note: 'Install Claude Code CLI for AI-powered predictions',
};
}
/**
* Local document worker (fallback when headless unavailable)
*/
async runDocumentWorkerLocal() {
return {
timestamp: new Date().toISOString(),
mode: 'local',
filesDocumented: 0,
suggestedDocs: [],
note: 'Install Claude Code CLI for AI-powered documentation generation',
};
}
/**
* Local ultralearn worker (fallback when headless unavailable)
*/
async runUltralearnWorkerLocal() {
return {
timestamp: new Date().toISOString(),
mode: 'local',
patternsLearned: 0,
insightsGained: [],
note: 'Install Claude Code CLI for AI-powered deep learning',
};
}
/**
* Local refactor worker (fallback when headless unavailable)
*/
async runRefactorWorkerLocal() {
return {
timestamp: new Date().toISOString(),
mode: 'local',
suggestions: [],
duplicatesFound: 0,
note: 'Install Claude Code CLI for AI-powered refactoring suggestions',
};
}
/**
* Local deepdive worker (fallback when headless unavailable)
*/
async runDeepdiveWorkerLocal() {
return {
timestamp: new Date().toISOString(),
mode: 'local',
analysisDepth: 'shallow',
findings: [],
note: 'Install Claude Code CLI for AI-powered deep code analysis',
};
}
/**
* Local benchmark worker
*/
async runBenchmarkWorkerLocal() {
const benchmarkFile = join(this.projectRoot, '.claude-flow', 'metrics', 'benchmark.json');
const metricsDir = join(this.projectRoot, '.claude-flow', 'metrics');
if (!existsSync(metricsDir)) {
mkdirSync(metricsDir, { recursive: true });
}
const result = {
timestamp: new Date().toISOString(),
mode: 'local',
benchmarks: {
memoryUsage: process.memoryUsage(),
cpuUsage: process.cpuUsage(),
uptime: process.uptime(),
},
};
writeFileSync(benchmarkFile, JSON.stringify(result, null, 2));
return result;
}
/**
* Local preload worker
*/
async runPreloadWorkerLocal() {
return {
timestamp: new Date().toISOString(),
mode: 'local',
resourcesPreloaded: 0,
cacheStatus: 'active',
};
}
/**
* Manually trigger a worker
*/
async triggerWorker(type) {
const workerConfig = this.config.workers.find(w => w.type === type);
if (!workerConfig) {
throw new Error(`Unknown worker type: ${type}`);
}
return this.executeWorker(workerConfig);
}
/**
* Enable/disable a worker
*/
setWorkerEnabled(type, enabled) {
const workerConfig = this.config.workers.find(w => w.type === type);
if (workerConfig) {
workerConfig.enabled = enabled;
if (enabled && this.running) {
this.scheduleWorker(workerConfig);
}
else if (!enabled) {
const timer = this.timers.get(type);
if (timer) {
clearTimeout(timer);
this.timers.delete(type);
}
}
this.saveState();
}
}
/**
* Save daemon state to file
*/
saveState() {
const state = {
running: this.running,
startedAt: this.startedAt?.toISOString(),
workers: Object.fromEntries(Array.from(this.workers.entries()).map(([type, state]) => [
type,
{
...state,
lastRun: state.lastRun?.toISOString(),
nextRun: state.nextRun?.toISOString(),
}
])),
config: {
...this.config,
workers: this.config.workers.map(w => ({ ...w })),
},
savedAt: new Date().toISOString(),
};
try {
writeFileSync(this.config.stateFile, JSON.stringify(state, null, 2));
}
catch (error) {
this.log('error', `Failed to save state: ${error}`);
}
}
/**
* Log message
*/
log(level, message) {
const timestamp = new Date().toISOString();
const logMessage = `[${timestamp}] [${level.toUpperCase()}] ${message}`;
this.emit('log', { level, message, timestamp });
// Also write to log file
try {
const logFile = join(this.config.logDir, 'daemon.log');
const fs = require('fs');
fs.appendFileSync(logFile, logMessage + '\n');
}
catch {
// Ignore log write errors
}
}
}
// Singleton instance for global access
let daemonInstance = null;
/**
* Get or create daemon instance
*/
export function getDaemon(projectRoot) {
if (!daemonInstance && projectRoot) {
daemonInstance = new WorkerDaemon(projectRoot);
}
if (!daemonInstance) {
throw new Error('Daemon not initialized. Provide projectRoot on first call.');
}
return daemonInstance;
}
/**
* Start daemon (for use in session-start hook)
*/
export async function startDaemon(projectRoot) {
const daemon = getDaemon(projectRoot);
await daemon.start();
return daemon;
}
/**
* Stop daemon
*/
export async function stopDaemon() {
if (daemonInstance) {
await daemonInstance.stop();
}
}
export default WorkerDaemon;
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