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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Logs — Data Standardization</title>
<style>
/* ── Theme tokens (shared) ────────────────────────────────────── */
:root {
--color-bg: #0f1117;
--color-surface: #181b23;
--color-surface-alt: #1e222d;
--color-border: #2a2f3e;
--color-text: #e1e4ed;
--color-text-dim: #8b90a0;
--color-accent: #6c8cff;
--color-accent-glow: rgba(108,140,255,.18);
--color-green: #34d399;
--color-green-dim: rgba(52,211,153,.15);
--color-yellow: #fbbf24;
--color-yellow-dim: rgba(251,191,36,.15);
--color-red: #f87171;
--color-red-dim: rgba(248,113,113,.15);
--color-orange: #fb923c;
--color-purple: #a78bfa;
--color-teal: #2dd4bf;
--color-teal-dim: rgba(45,212,191,.15);
--radius: 10px;
--radius-sm: 6px;
--shadow: 0 2px 12px rgba(0,0,0,.35);
--font-mono: 'SF Mono','Cascadia Code','Fira Code','Consolas',monospace;
--font-sans: 'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;
--transition: .2s ease;
}
/* ── Reset ────────────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:15px}
body{font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text);line-height:1.5;min-height:100vh;padding:24px 32px 48px;display:flex;flex-direction:column}
/* ── Header / nav ─────────────────────────────────────────────── */
.header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.header h1{font-size:1.35rem;font-weight:700;letter-spacing:-.02em;display:flex;align-items:center;gap:10px}
.header h1 .logo{width:28px;height:28px;background:var(--color-accent);border-radius:7px;display:grid;place-items:center;font-size:.85rem;color:#fff;font-weight:800}
.nav-links{display:flex;gap:8px}
.nav-links a{font-size:.78rem;color:var(--color-text-dim);text-decoration:none;padding:6px 14px;border-radius:var(--radius-sm);border:1px solid var(--color-border);transition:all var(--transition)}
.nav-links a:hover,.nav-links a.active{color:var(--color-accent);border-color:var(--color-accent);background:var(--color-accent-glow)}
/* ── Filter bar ───────────────────────────────────────────────── */
.filter-bar{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:14px;padding:14px 18px;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius)}
.filter-label{font-size:.68rem;text-transform:uppercase;letter-spacing:.06em;color:var(--color-text-dim);font-weight:700;flex-shrink:0}
.svc-checks{display:flex;gap:6px;flex-wrap:wrap}
.svc-check{display:flex;align-items:center;gap:4px;padding:4px 10px;border-radius:20px;font-size:.72rem;font-weight:600;border:1px solid var(--color-border);background:transparent;color:var(--color-text-dim);cursor:pointer;transition:all var(--transition);user-select:none}
.svc-check.active{border-color:var(--color-accent);color:var(--color-accent);background:var(--color-accent-glow)}
.level-chips{display:flex;gap:4px}
.level-chip{padding:4px 10px;border-radius:20px;font-size:.7rem;font-weight:700;border:1px solid var(--color-border);background:transparent;cursor:pointer;transition:all var(--transition);user-select:none;text-transform:uppercase;letter-spacing:.03em}
.level-chip.active.INFO{border-color:var(--color-teal);color:var(--color-teal);background:var(--color-teal-dim)}
.level-chip.active.WARN{border-color:var(--color-yellow);color:var(--color-yellow);background:var(--color-yellow-dim)}
.level-chip.active.ERROR{border-color:var(--color-red);color:var(--color-red);background:var(--color-red-dim)}
.level-chip.active.DEBUG{border-color:var(--color-text-dim);color:var(--color-text-dim);background:rgba(139,144,160,.1)}
.level-chip:not(.active){color:var(--color-text-dim)}
.trace-input{background:var(--color-bg);color:var(--color-text);border:1px solid var(--color-border);border-radius:var(--radius-sm);padding:6px 10px;font-size:.78rem;font-family:var(--font-mono);width:280px;transition:border-color var(--transition)}
.trace-input:focus{outline:none;border-color:var(--color-accent)}
.filter-sep{width:1px;height:24px;background:var(--color-border);flex-shrink:0}
/* ── Auto-scroll toggle ──────────────────────────────────────── */
.auto-scroll-bar{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.toggle-wrap{display:flex;align-items:center;gap:8px}
.toggle{position:relative;display:inline-block;width:34px;height:18px;flex-shrink:0}
.toggle input{opacity:0;width:0;height:0}
.toggle .slider{position:absolute;inset:0;background:var(--color-border);border-radius:9px;cursor:pointer;transition:var(--transition)}
.toggle .slider::before{content:'';position:absolute;height:14px;width:14px;left:2px;bottom:2px;background:#fff;border-radius:50%;transition:var(--transition)}
.toggle input:checked + .slider{background:var(--color-green)}
.toggle input:checked + .slider::before{transform:translateX(16px)}
.toggle-label{font-size:.72rem;color:var(--color-text-dim);font-weight:600}
.jump-badge{display:none;padding:5px 14px;border-radius:20px;font-size:.72rem;font-weight:700;background:var(--color-accent);color:#fff;cursor:pointer;animation:badgePop .3s ease;box-shadow:0 2px 8px rgba(108,140,255,.3)}
.jump-badge.visible{display:inline-flex}
@keyframes badgePop{from{transform:scale(.8);opacity:0}to{transform:scale(1);opacity:1}}
.log-count{font-size:.72rem;color:var(--color-text-dim);font-family:var(--font-mono)}
/* ── Log table ────────────────────────────────────────────────── */
.log-wrap{flex:1;overflow-y:auto;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);position:relative;min-height:300px}
.log-table{width:100%;border-collapse:collapse;font-family:var(--font-mono);font-size:.76rem}
.log-table th{position:sticky;top:0;z-index:2;background:var(--color-surface-alt);font-size:.64rem;text-transform:uppercase;letter-spacing:.04em;color:var(--color-text-dim);font-weight:600;padding:8px 10px;text-align:left;border-bottom:1px solid var(--color-border)}
.log-table td{padding:5px 10px;border-bottom:1px solid rgba(42,47,62,.5);vertical-align:top;white-space:nowrap}
.log-table tr:hover td{background:rgba(108,140,255,.04)}
/* level cell colors */
.log-table .lvl{font-weight:700;font-size:.68rem;text-transform:uppercase;letter-spacing:.03em;padding:1px 8px;border-radius:3px;display:inline-block;text-align:center;min-width:44px}
.lvl.INFO{background:var(--color-teal-dim);color:var(--color-teal)}
.lvl.WARN{background:var(--color-yellow-dim);color:var(--color-yellow)}
.lvl.ERROR{background:var(--color-red-dim);color:var(--color-red)}
.lvl.DEBUG{background:rgba(139,144,160,.1);color:var(--color-text-dim)}
/* service cell */
.svc-tag{font-size:.68rem;font-weight:600;padding:2px 7px;border-radius:3px;background:var(--color-accent-glow);color:var(--color-accent)}
/* message links */
.log-table .msg{white-space:pre-wrap;word-break:break-all;max-width:700px}
.msg a{color:var(--color-accent);text-decoration:underline;text-decoration-style:dotted}
.msg a:hover{text-decoration-style:solid}
.empty-state{text-align:center;padding:48px 16px;color:var(--color-text-dim);font-size:.85rem}
/* ── Toast ────────────────────────────────────────────────────── */
.toast-container{position:fixed;top:20px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:8px}
.toast{padding:12px 18px;border-radius:var(--radius-sm);font-size:.8rem;font-weight:600;box-shadow:var(--shadow);animation:toastIn .3s ease;max-width:380px}
.toast.success{background:var(--color-green-dim);color:var(--color-green);border:1px solid var(--color-green)}
.toast.error{background:var(--color-red-dim);color:var(--color-red);border:1px solid var(--color-red)}
@keyframes toastIn{from{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:translateY(0)}}
/* ── Scrollbar ────────────────────────────────────────────────── */
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--color-text-dim)}
</style>
</head>
<body>
<div class="toast-container" id="toasts"></div>
<!-- ── Header ─────────────────────────────────────────────────── -->
<header class="header">
<h1><span class="logo">DS</span> Log Stream</h1>
<nav class="nav-links">
<a href="dashboard.html">Dashboard</a>
<a href="ingestion.html">Ingestion</a>
<a href="rules.html">Rules</a>
<a href="data-quality.html">Data Quality</a>
<a href="jobs.html">Jobs</a>
<a href="logs.html" class="active">Logs</a>
</nav>
</header>
<!-- ── Filter bar ─────────────────────────────────────────────── -->
<div class="filter-bar">
<span class="filter-label">Services</span>
<div class="svc-checks" id="svc-checks">
<span class="svc-check active" data-svc="api-gateway">Gateway</span>
<span class="svc-check active" data-svc="data-ingestion-service">Ingestion</span>
<span class="svc-check active" data-svc="rule-engine-service">Rule Engine</span>
<span class="svc-check active" data-svc="standardization-service">Standardization</span>
<span class="svc-check active" data-svc="eureka-server">Eureka</span>
</div>
<div class="filter-sep"></div>
<span class="filter-label">Level</span>
<div class="level-chips" id="level-chips">
<span class="level-chip active INFO" data-level="INFO">Info</span>
<span class="level-chip active WARN" data-level="WARN">Warn</span>
<span class="level-chip active ERROR" data-level="ERROR">Error</span>
<span class="level-chip active DEBUG" data-level="DEBUG">Debug</span>
</div>
<div class="filter-sep"></div>
<span class="filter-label">Trace ID</span>
<input type="text" class="trace-input" id="trace-input" placeholder="Paste UUID to filter…">
</div>
<!-- ── Controls ───────────────────────────────────────────────── -->
<div class="auto-scroll-bar">
<div class="toggle-wrap">
<label class="toggle">
<input type="checkbox" id="auto-scroll-toggle" checked>
<span class="slider"></span>
</label>
<span class="toggle-label">Auto-scroll</span>
<span class="jump-badge" id="jump-badge">↓ Jump to latest</span>
</div>
<span class="log-count" id="log-count">0 entries</span>
</div>
<!-- ── Log table ──────────────────────────────────────────────── -->
<div class="log-wrap" id="log-wrap">
<table class="log-table">
<thead>
<tr>
<th style="width:130px">Timestamp</th>
<th style="width:120px">Service</th>
<th style="width:60px">Level</th>
<th>Message</th>
</tr>
</thead>
<tbody id="log-tbody">
<tr><td colspan="4" class="empty-state">Connecting to log sources…</td></tr>
</tbody>
</table>
</div>
<script>
(function () {
'use strict';
var GW = location.origin;
var LOKI_BASE = location.protocol + '//' + location.hostname + ':3100';
var POLL_INTERVAL = 3000;
/* ── Helpers ────────────────────────────────────────────────── */
function $(s) { return document.querySelector(s); }
function $$(s) { return document.querySelectorAll(s); }
function escHtml(s) { var d = document.createElement('div'); d.textContent = s; return d.innerHTML.replace(/"/g, '"').replace(/'/g, '''); }
function toast(msg, type) {
var el = document.createElement('div');
el.className = 'toast ' + (type || 'success');
el.textContent = msg;
$('#toasts').appendChild(el);
setTimeout(function () { el.remove(); }, 4000);
}
/* ── UUID regex for auto-linking ────────────────────────────── */
var UUID_RE = /\b[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}\b/gi;
function linkUUIDs(msg) {
return escHtml(msg).replace(UUID_RE, function (uuid) {
// heuristic: link to jobs if "job" context, else ingestion
var lower = msg.toLowerCase();
if (lower.indexOf('dataset') !== -1) {
return '<a href="ingestion.html" title="Dataset ' + uuid + '">' + uuid + '</a>';
}
return '<a href="jobs.html" title="Job ' + uuid + '">' + uuid + '</a>';
});
}
/* ── Filter state ───────────────────────────────────────────── */
var enabledServices = {};
var enabledLevels = {};
var traceFilter = '';
$$('.svc-check').forEach(function (el) {
enabledServices[el.dataset.svc] = true;
el.addEventListener('click', function () {
this.classList.toggle('active');
enabledServices[this.dataset.svc] = this.classList.contains('active');
renderLogs();
});
});
$$('.level-chip').forEach(function (el) {
enabledLevels[el.dataset.level] = true;
el.addEventListener('click', function () {
this.classList.toggle('active');
enabledLevels[this.dataset.level] = this.classList.contains('active');
renderLogs();
});
});
$('#trace-input').addEventListener('input', function () {
traceFilter = this.value.trim().toLowerCase();
renderLogs();
});
/* ── Auto-scroll ────────────────────────────────────────────── */
var autoScroll = true;
var logWrap = $('#log-wrap');
$('#auto-scroll-toggle').addEventListener('change', function () {
autoScroll = this.checked;
if (autoScroll) scrollToBottom();
$('#jump-badge').classList.remove('visible');
});
logWrap.addEventListener('scroll', function () {
var atBottom = logWrap.scrollHeight - logWrap.scrollTop - logWrap.clientHeight < 40;
if (atBottom) {
$('#jump-badge').classList.remove('visible');
} else if (!autoScroll) {
$('#jump-badge').classList.add('visible');
}
});
$('#jump-badge').addEventListener('click', function () {
scrollToBottom();
this.classList.remove('visible');
});
function scrollToBottom() {
logWrap.scrollTop = logWrap.scrollHeight;
}
/* ── Log data store ─────────────────────────────────────────── */
var allLogs = []; // { ts, service, level, msg, raw }
var seenKeys = {}; // dedup
var useLoki = true; // will fall back if Loki fails
var lokiFailed = false;
var lastLokiNano = '0';
/* ── Parse Loki streams into log entries ────────────────────── */
function parseLokiResponse(data) {
var entries = [];
if (!data || !data.data || !data.data.result) return entries;
data.data.result.forEach(function (stream) {
var labels = stream.stream || {};
var service = labels.service_name || labels.job || labels.container || 'unknown';
(stream.values || []).forEach(function (pair) {
var tsNano = pair[0];
var line = pair[1];
var key = tsNano + '|' + line.substring(0, 80);
if (seenKeys[key]) return;
seenKeys[key] = true;
var level = 'INFO';
if (/\bERROR\b/i.test(line)) level = 'ERROR';
else if (/\bWARN/i.test(line)) level = 'WARN';
else if (/\bDEBUG\b/i.test(line)) level = 'DEBUG';
var ts = new Date(parseInt(tsNano.substring(0, 13), 10));
entries.push({
ts: ts,
tsNano: tsNano,
service: service,
level: level,
msg: line,
raw: line
});
if (tsNano > lastLokiNano) lastLokiNano = tsNano;
});
});
return entries;
}
/* ── Loki query ─────────────────────────────────────────────── */
function queryLoki() {
var now = Date.now();
var startNs = lastLokiNano === '0'
? String(now - 300000) + '000000' // last 5 min — string concat avoids precision loss
: lastLokiNano;
var endNs = String(now) + '000000'; // string concat: safe for nanosecond range
var query = '{job=~".+"}'; // all jobs
var url = LOKI_BASE + '/loki/api/v1/query_range?query=' + encodeURIComponent(query) +
'&start=' + startNs + '&end=' + endNs + '&limit=200&direction=forward';
return fetch(url, { signal: AbortSignal.timeout ? AbortSignal.timeout(4000) : undefined })
.then(function (r) {
if (!r.ok) throw new Error(r.status);
return r.json();
})
.then(function (data) {
var entries = parseLokiResponse(data);
if (entries.length) {
allLogs = allLogs.concat(entries);
// keep max 2000 entries
if (allLogs.length > 2000) allLogs = allLogs.slice(allLogs.length - 2000);
allLogs.sort(function (a, b) { return a.ts - b.ts; });
renderLogs();
}
});
}
/* ── Fallback: poll job statuses ────────────────────────────── */
var fallbackLastSeen = {};
function pollFallback() {
return fetch(GW + '/api/standardization/jobs')
.then(function (r) { return r.json(); })
.then(function (jobs) {
var now = new Date();
jobs.forEach(function (j) {
var key = j.jobId + '|' + j.status;
if (fallbackLastSeen[key]) return;
fallbackLastSeen[key] = true;
var level = j.status === 'FAILED' ? 'ERROR' : (j.status === 'PROCESSING' ? 'WARN' : 'INFO');
allLogs.push({
ts: j.startedAt ? new Date(j.startedAt) : now,
tsNano: String(now.getTime()) + '000000',
service: 'standardization-service',
level: level,
msg: 'Job ' + j.jobId + ' → ' + j.status +
' | records: ' + (j.processedRecords || 0) + '/' + (j.totalRecords || 0) +
' | progress: ' + (j.progressPercentage || 0).toFixed(1) + '%' +
(j.datasetId ? ' | dataset: ' + j.datasetId : ''),
raw: ''
});
});
if (allLogs.length > 2000) allLogs = allLogs.slice(allLogs.length - 2000);
allLogs.sort(function (a, b) { return a.ts - b.ts; });
renderLogs();
})
.catch(function () {});
}
/* ── Render ─────────────────────────────────────────────────── */
function renderLogs() {
var filtered = allLogs.filter(function (e) {
if (!enabledLevels[e.level]) return false;
// service filter
var svcMatch = false;
Object.keys(enabledServices).forEach(function (s) {
if (enabledServices[s] && e.service.indexOf(s) !== -1) svcMatch = true;
});
// also match if service is 'unknown' and all are enabled
if (!svcMatch) {
var allEnabled = Object.keys(enabledServices).every(function (s) { return enabledServices[s]; });
if (allEnabled) svcMatch = true;
}
if (!svcMatch) return false;
// trace filter
if (traceFilter && e.msg.toLowerCase().indexOf(traceFilter) === -1) return false;
return true;
});
$('#log-count').textContent = filtered.length + ' entries' + (allLogs.length !== filtered.length ? ' (of ' + allLogs.length + ')' : '');
var tbody = $('#log-tbody');
if (!filtered.length) {
tbody.innerHTML = '<tr><td colspan="4" class="empty-state">No matching log entries</td></tr>';
return;
}
// Only render last 500 for performance
var visible = filtered.slice(Math.max(0, filtered.length - 500));
tbody.innerHTML = visible.map(function (e) {
var tsStr = e.ts instanceof Date && !isNaN(e.ts) ? e.ts.toLocaleTimeString(undefined, { hour12: false, hour: '2-digit', minute: '2-digit', second: '2-digit', fractionalSecondDigits: 3 }) : '—';
// normalize service name for display
var svcShort = e.service
.replace('data-ingestion-service', 'ingestion')
.replace('rule-engine-service', 'rule-engine')
.replace('standardization-service', 'standardize')
.replace('api-gateway', 'gateway')
.replace('eureka-server', 'eureka');
return '<tr>' +
'<td style="color:var(--color-text-dim)">' + escHtml(tsStr) + '</td>' +
'<td><span class="svc-tag">' + escHtml(svcShort) + '</span></td>' +
'<td><span class="lvl ' + e.level + '">' + e.level + '</span></td>' +
'<td class="msg">' + linkUUIDs(e.msg) + '</td>' +
'</tr>';
}).join('');
if (autoScroll) scrollToBottom();
}
/* ── Poll loop ──────────────────────────────────────────────── */
function doPoll() {
if (!lokiFailed) {
queryLoki().catch(function () {
if (!lokiFailed) {
lokiFailed = true;
toast('Loki unavailable — falling back to job status polling', 'error');
}
pollFallback();
});
} else {
pollFallback();
}
}
// Initial load
doPoll();
setInterval(doPoll, POLL_INTERVAL);
// Also seed with a fallback poll immediately
pollFallback();
})();
</script>
</body>
</html>