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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 | const cron = require('node-cron'); const logger = require('./logger'); class Scheduler { constructor(metricsCollector, logCollector, uploader, config) { this.metricsCollector = metricsCollector; this.logCollector = logCollector; this.uploader = uploader; this.config = config; this.tasks = new Map(); this.isRunning = false; } start() { if (this.isRunning) { logger.warn('Scheduler is already running'); return; } logger.info('Starting LogVista Agent Scheduler'); this.isRunning = true; // Schedule metrics collection const metricsInterval = this.config.agent.collection_interval || 30; const metricsSchedule = `*/${metricsInterval} * * * * *`; // Every N seconds const metricsTask = cron.schedule(metricsSchedule, async () => { await this.collectAndUploadMetrics(); }, { scheduled: false }); this.tasks.set('metrics', metricsTask); // Schedule log upload (every 10 seconds for more frequent log updates) const logTask = cron.schedule('*/10 * * * * *', async () => { await this.uploadLogs(); }, { scheduled: false }); this.tasks.set('logs', logTask); // Schedule offline data retry (every 5 minutes) const retryTask = cron.schedule('*/5 * * * *', async () => { await this.retryOfflineData(); }, { scheduled: false }); this.tasks.set('retry', retryTask); // Schedule server info update (every hour) const serverInfoTask = cron.schedule('0 * * * *', async () => { await this.updateServerInfo(); }, { scheduled: false }); this.tasks.set('serverInfo', serverInfoTask); // Start all tasks this.tasks.forEach((task, name) => { task.start(); logger.info(`Started ${name} task`); }); // Initial server info update setTimeout(() => this.updateServerInfo(), 5000); logger.info('All scheduled tasks started successfully'); } stop() { if (!this.isRunning) { logger.warn('Scheduler is not running'); return; } logger.info('Stopping LogVista Agent Scheduler'); this.tasks.forEach((task, name) => { task.stop(); logger.info(`Stopped ${name} task`); }); this.tasks.clear(); this.isRunning = false; logger.info('Scheduler stopped successfully'); } async collectAndUploadMetrics() { try { logger.debug('Collecting system metrics...'); const metrics = []; // Collect system-wide metrics if (this.config.system.collect_system_metrics) { const systemMetrics = await this.metricsCollector.collectSystemMetrics(); metrics.push({ type: 'system', ...systemMetrics }); } // Collect project-specific metrics for (const project of this.config.projects) { if (!project.enabled) continue; try { const projectMetrics = await this.metricsCollector.collectProjectMetrics(project); metrics.push({ type: 'project', ...projectMetrics }); } catch (projectError) { logger.warn(`Failed to collect metrics for project ${project.project_name}:`, projectError.message); } } if (metrics.length > 0) { await this.uploader.withRetry(() => this.uploader.uploadMetrics(metrics)); logger.debug(`Uploaded ${metrics.length} metric records`); } } catch (error) { logger.error('Error in metrics collection and upload:', error); } } async uploadLogs() { try { const bufferedLogs = this.logCollector.getBufferedLogs(); if (bufferedLogs.length > 0) { await this.uploader.withRetry(() => this.uploader.uploadLogs(bufferedLogs)); logger.debug(`Uploaded ${bufferedLogs.length} log records`); } } catch (error) { logger.error('Error in log upload:', error); } } async retryOfflineData() { try { logger.debug('Checking for offline data to retry...'); await this.uploader.retryOfflineData(); } catch (error) { logger.error('Error retrying offline data:', error); } } async updateServerInfo() { try { logger.debug('Updating server information...'); const si = require('systeminformation'); const os = require('os'); const [cpu, osInfo, system] = await Promise.all([ si.cpu(), si.osInfo(), si.system() ]); const serverInfo = { hostname: os.hostname(), platform: os.platform(), architecture: os.arch(), os: { platform: osInfo.platform, distro: osInfo.distro, release: osInfo.release, kernel: osInfo.kernel, arch: osInfo.arch }, cpu: { manufacturer: cpu.manufacturer, brand: cpu.brand, cores: cpu.cores, physicalCores: cpu.physicalCores, speed: cpu.speed }, system: { manufacturer: system.manufacturer, model: system.model, version: system.version, serial: system.serial }, memory: { total: os.totalmem(), free: os.freemem() }, uptime: os.uptime(), loadavg: os.loadavg(), agent: { version: require('../package.json').version, nodeVersion: process.version, pid: process.pid }, projects: this.config.projects.filter(p => p.enabled).map(p => ({ name: p.project_name, path: p.pwd_path, logPaths: p.custom_log_paths || [] })) }; await this.uploader.withRetry(() => this.uploader.uploadServerInfo(serverInfo)); logger.debug('Server information updated successfully'); } catch (error) { logger.error('Error updating server information:', error); } } getStatus() { return { isRunning: this.isRunning, activeTasks: Array.from(this.tasks.keys()), taskCount: this.tasks.size }; } } module.exports = Scheduler; |