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log-vista

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LogVista Agent - Lightweight system monitoring and log collection for any project/language

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<!doctype html> <html lang="en"> <head> <title>Code coverage report for src/uploader.js</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../prettify.css" /> <link rel="stylesheet" href="../base.css" /> <link rel="shortcut icon" type="image/x-icon" href="../favicon.png" /> <meta name="viewport" content="width=device-width, initial-scale=1" /> <style type='text/css'> .coverage-summary .sorter { background-image: url(../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1><a href="../index.html">All files</a> / <a href="index.html">src</a> uploader.js</h1> <div class='clearfix'> <div class='fl pad1y space-right2'> <span class="strong">5.88% </span> <span class="quiet">Statements</span> <span class='fraction'>5/85</span> </div> <div class='fl pad1y space-right2'> <span class="strong">0% </span> <span class="quiet">Branches</span> <span class='fraction'>0/25</span> </div> <div class='fl pad1y space-right2'> <span class="strong">10% </span> <span class="quiet">Functions</span> <span class='fraction'>1/10</span> </div> <div class='fl pad1y space-right2'> <span class="strong">6.25% </span> <span class="quiet">Lines</span> <span class='fraction'>5/80</span> </div> </div> <p class="quiet"> Press <em>n</em> or <em>j</em> to go to the next uncovered block, <em>b</em>, <em>p</em> or <em>k</em> for the previous block. </p> <template id="filterTemplate"> <div class="quiet"> Filter: <input type="search" id="fileSearch"> </div> </template> </div> <div class='status-line low'></div> <pre><table class="coverage"> <tr><td class="line-count quiet"><a name='L1'></a><a href='#L1'>1</a> <a name='L2'></a><a href='#L2'>2</a> <a name='L3'></a><a href='#L3'>3</a> <a name='L4'></a><a href='#L4'>4</a> <a name='L5'></a><a href='#L5'>5</a> <a name='L6'></a><a href='#L6'>6</a> <a name='L7'></a><a href='#L7'>7</a> <a name='L8'></a><a href='#L8'>8</a> <a name='L9'></a><a href='#L9'>9</a> <a name='L10'></a><a href='#L10'>10</a> <a 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class="cline-any cline-neutral">&nbsp;</span></td><td class="text"><pre class="prettyprint lang-js">const axios = require('axios'); const logger = require('./logger'); &nbsp; class Uploader { constructor(config) { this.config = config; this.axios = axios.create({ baseURL: config.central_system.url, headers: { 'Authorization': `Bearer ${config.central_system.token}`, 'Content-Type': 'application/json' }, timeout: 30000 }); } &nbsp; <span class="fstat-no" title="function not covered" > as</span>ync uploadMetrics(metrics) { <span class="cstat-no" title="statement not covered" > try {</span> <span class="cstat-no" title="statement not covered" > if (!metrics || metrics.length === 0) <span class="cstat-no" title="statement not covered" >return;</span></span> &nbsp; const response = <span class="cstat-no" title="statement not covered" >await this.axios.post('/api/metrics', {</span> metrics: metrics, agent: { version: require('../package.json').version, timestamp: new Date().toISOString() } }); &nbsp; <span class="cstat-no" title="statement not covered" > logger.info(`Successfully uploaded ${metrics.length} metric records`);</span> <span class="cstat-no" title="statement not covered" > return response.data;</span> &nbsp; } catch (error) { <span class="cstat-no" title="statement not covered" > await this.handleUploadError('metrics', error, metrics);</span> <span class="cstat-no" title="statement not covered" > throw error;</span> } } &nbsp; <span class="fstat-no" title="function not covered" > as</span>ync uploadLogs(logs) { <span class="cstat-no" title="statement not covered" > try {</span> <span class="cstat-no" title="statement not covered" > if (!logs || logs.length === 0) <span class="cstat-no" title="statement not covered" >return;</span></span> &nbsp; const response = <span class="cstat-no" title="statement not covered" >await this.axios.post('/api/logs', {</span> logs: logs, agent: { version: require('../package.json').version, timestamp: new Date().toISOString() } }); &nbsp; <span class="cstat-no" title="statement not covered" > logger.info(`Successfully uploaded ${logs.length} log records`);</span> <span class="cstat-no" title="statement not covered" > return response.data;</span> &nbsp; } catch (error) { <span class="cstat-no" title="statement not covered" > await this.handleUploadError('logs', error, logs);</span> <span class="cstat-no" title="statement not covered" > throw error;</span> } } &nbsp; <span class="fstat-no" title="function not covered" > as</span>ync uploadServerInfo(serverInfo) { <span class="cstat-no" title="statement not covered" > try {</span> const response = <span class="cstat-no" title="statement not covered" >await this.axios.post('/api/servers/register', {</span> ...serverInfo, agent: { version: require('../package.json').version, timestamp: new Date().toISOString() } }); &nbsp; <span class="cstat-no" title="statement not covered" > logger.info('Successfully registered/updated server info');</span> <span class="cstat-no" title="statement not covered" > return response.data;</span> &nbsp; } catch (error) { <span class="cstat-no" title="statement not covered" > await this.handleUploadError('server-info', error, serverInfo);</span> <span class="cstat-no" title="statement not covered" > throw error;</span> } } &nbsp; <span class="fstat-no" title="function not covered" > as</span>ync testConnection() { <span class="cstat-no" title="statement not covered" > try {</span> const response = <span class="cstat-no" title="statement not covered" >await this.axios.get('/api/health');</span> <span class="cstat-no" title="statement not covered" > logger.info('Connection test successful:', response.data);</span> <span class="cstat-no" title="statement not covered" > return true;</span> } catch (error) { <span class="cstat-no" title="statement not covered" > logger.error('Connection test failed:', error.message);</span> <span class="cstat-no" title="statement not covered" > return false;</span> } } &nbsp; <span class="fstat-no" title="function not covered" > as</span>ync handleUploadError(type, error, data) { const errorInfo = <span class="cstat-no" title="statement not covered" >{</span> type: type, timestamp: new Date().toISOString(), error: { message: error.message, code: error.code, status: error.response?.status, statusText: error.response?.statusText }, dataCount: Array.isArray(data) ? data.length : 1 }; &nbsp; <span class="cstat-no" title="statement not covered" > if (error.response) {</span> // Server responded with error status <span class="cstat-no" title="statement not covered" > logger.error(`Upload failed for ${type} - Server Error:`, {</span> status: error.response.status, statusText: error.response.statusText, data: error.response.data }); } else <span class="cstat-no" title="statement not covered" >if (error.request) {</span> // Request was made but no response received <span class="cstat-no" title="statement not covered" > logger.error(`Upload failed for ${type} - Network Error:`, {</span> message: error.message, code: error.code }); // Save data locally for retry <span class="cstat-no" title="statement not covered" > await this.saveOfflineData(type, data);</span> } else { // Something else happened <span class="cstat-no" title="statement not covered" > logger.error(`Upload failed for ${type} - Unknown Error:`, error.message);</span> } } &nbsp; <span class="fstat-no" title="function not covered" > as</span>ync saveOfflineData(type, data) { <span class="cstat-no" title="statement not covered" > try {</span> const fs = <span class="cstat-no" title="statement not covered" >require('fs').promises;</span> const path = <span class="cstat-no" title="statement not covered" >require('path');</span> const offlineDir = <span class="cstat-no" title="statement not covered" >path.join(__dirname, '../logs/offline');</span> <span class="cstat-no" title="statement not covered" > await fs.mkdir(offlineDir, { recursive: true });</span> const timestamp = <span class="cstat-no" title="statement not covered" >new Date().toISOString().replace(/[:.]/g, '-');</span> const filename = <span class="cstat-no" title="statement not covered" >`${type}-${timestamp}.json`;</span> const filepath = <span class="cstat-no" title="statement not covered" >path.join(offlineDir, filename);</span> <span class="cstat-no" title="statement not covered" > await fs.writeFile(filepath, JSON.stringify({</span> type: type, timestamp: new Date().toISOString(), data: data }, null, 2)); <span class="cstat-no" title="statement not covered" > logger.info(`Saved ${type} data offline: ${filename}`);</span> } catch (saveError) { <span class="cstat-no" title="statement not covered" > logger.error('Failed to save offline data:', saveError);</span> } } &nbsp; <span class="fstat-no" title="function not covered" > as</span>ync retryOfflineData() { <span class="cstat-no" title="statement not covered" > try {</span> const fs = <span class="cstat-no" title="statement not covered" >require('fs').promises;</span> const path = <span class="cstat-no" title="statement not covered" >require('path');</span> const offlineDir = <span class="cstat-no" title="statement not covered" >path.join(__dirname, '../logs/offline');</span> <span class="cstat-no" title="statement not covered" > try {</span> const files = <span class="cstat-no" title="statement not covered" >await fs.readdir(offlineDir);</span> <span class="cstat-no" title="statement not covered" > for (const file of files) {</span> <span class="cstat-no" title="statement not covered" > if (!file.endsWith('.json')) <span class="cstat-no" title="statement not covered" >continue;</span></span> const filepath = <span class="cstat-no" title="statement not covered" >path.join(offlineDir, file);</span> const content = <span class="cstat-no" title="statement not covered" >await fs.readFile(filepath, 'utf8');</span> const offlineData = <span class="cstat-no" title="statement not covered" >JSON.parse(content);</span> <span class="cstat-no" title="statement not covered" > try {</span> <span class="cstat-no" title="statement not covered" > if (offlineData.type === 'metrics') {</span> <span class="cstat-no" title="statement not covered" > await this.uploadMetrics(offlineData.data);</span> } else <span class="cstat-no" title="statement not covered" >if (offlineData.type === 'logs') {</span> <span class="cstat-no" title="statement not covered" > await this.uploadLogs(offlineData.data);</span> } else <span class="cstat-no" title="statement not covered" >if (offlineData.type === 'server-info') {</span> <span class="cstat-no" title="statement not covered" > await this.uploadServerInfo(offlineData.data);</span> } // Delete file after successful upload <span class="cstat-no" title="statement not covered" > await fs.unlink(filepath);</span> <span class="cstat-no" title="statement not covered" > logger.info(`Successfully retried offline data: ${file}`);</span> } catch (retryError) { <span class="cstat-no" title="statement not covered" > logger.warn(`Failed to retry offline data ${file}:`, retryError.message);</span> } } } catch (dirError) { // Offline directory doesn't exist yet <span class="cstat-no" title="statement not covered" > logger.debug('No offline data directory found');</span> } } catch (error) { <span class="cstat-no" title="statement not covered" > logger.error('Error retrying offline data:', error);</span> } } &nbsp; <span class="fstat-no" title="function not covered" > as</span>ync withRetry(operation, maxRetries = <span class="branch-0 cbranch-no" title="branch not covered" >3)</span> { <span class="cstat-no" title="statement not covered" > for (let attempt = <span class="cstat-no" title="statement not covered" >1;</span> attempt &lt;= maxRetries; attempt++) {</span> <span class="cstat-no" title="statement not covered" > try {</span> <span class="cstat-no" title="statement not covered" > return await operation();</span> } catch (error) { <span class="cstat-no" title="statement not covered" > if (attempt === maxRetries) {</span> <span class="cstat-no" title="statement not covered" > throw error;</span> } const delay = <span class="cstat-no" title="statement not covered" >Math.min(1000 * Math.pow(2, attempt - 1), 10000);</span> <span class="cstat-no" title="statement not covered" > logger.warn(`Attempt ${attempt} failed, retrying in ${delay}ms:`, error.message);</span> <span class="cstat-no" title="statement not covered" > await new Promise(<span class="fstat-no" title="function not covered" >re</span>solve =&gt; <span class="cstat-no" title="statement not covered" >setTimeout(resolve, delay))</span>;</span> } } } } &nbsp; module.exports = Uploader; &nbsp;</pre></td></tr></table></pre> <div class='push'></div><!-- for sticky footer --> </div><!-- /wrapper --> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="https://istanbul.js.org/" target="_blank" rel="noopener noreferrer">istanbul</a> at 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