fix: replace naive log level detection with robust 3-tier regex classification engine

Eliminates massive false-positive error misclassifications caused by Docker
containers writing standard INFO logs to STDERR. The new hierarchy:
1. INFO/DEBUG/TRACE indicators (overrides STDERR default)
2. WARN/WARNING indicators
3. ERROR/FATAL/CRIT/CRITICAL/PANIC + Exception: indicators

Supports common log formats: level=info, [INFO], and bare INFO tokens.
Applied to both /api/logs/global and /api/logs/global/stream endpoints.
This commit is contained in:
SaelixCode
2026-03-10 14:50:51 -04:00
parent b32cf5490c
commit b7e6b5a21c
2 changed files with 40 additions and 10 deletions
+1
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@@ -5,6 +5,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
## [Unreleased]
- **Fixed:** Global logs false-positive error misclassifications caused by Docker containers writing INFO logs to STDERR. Replaced naive regex with a robust 3-tier classification engine supporting `level=info`, `[INFO]`, and ` INFO ` format standards.
- **Added:** Developer Mode setting to enable true Real-Time (SSE) global log streaming and infinite scroll.
- **Added:** Configurable polling rates for standard global logs monitoring.
- **Added:** React Throttle Buffer to prevent UI freezing during heavy real-time log ingestion.
+39 -10
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@@ -806,17 +806,28 @@ app.get('/api/logs/global', async (req: Request, res: Response) => {
cleanMessage = timeMatch[2];
}
// Default to INFO, or ERROR if coming from STDERR.
let level = source === 'STDERR' ? 'ERROR' : 'INFO';
if (/\b(warn|warning)\b/i.test(cleanMessage)) {
level = 'WARN';
} else if (/\b(error|err|fatal|exception)\b/i.test(cleanMessage)) {
level = 'ERROR';
}
if (/\[\s*(info|inf|debug|dbg)\s*\]/i.test(cleanMessage) || /^(info|debug)\b/i.test(cleanMessage)) {
// 1. Explicitly check for INFO/DEBUG indicators (Overrides STDERR defaults)
if (/level=["']?(info|debug|trace)["']?/i.test(cleanMessage) ||
/\[\s*(info|inf|debug|dbg|trace)\s*\]/i.test(cleanMessage) ||
/(?:\s|^)(info|inf|debug|trace)(?:\s|:|\(|\[|$)/i.test(cleanMessage)) {
level = 'INFO';
}
// 2. Check for WARN indicators
else if (/level=["']?(warn|warning)["']?/i.test(cleanMessage) ||
/\[\s*(warn|warning)\s*\]/i.test(cleanMessage) ||
/(?:\s|^)(warn|warning)(?:\s|:|\(|\[|$)/i.test(cleanMessage)) {
level = 'WARN';
}
// 3. Check for ERROR indicators
else if (/level=["']?(error|err|fatal|crit|critical|panic)["']?/i.test(cleanMessage) ||
/\[\s*(error|err|fatal|crit|critical|panic)\s*\]/i.test(cleanMessage) ||
/(?:\s|^)(error|err|fatal|crit|critical|panic)(?:\s|:|\(|\[|$)/i.test(cleanMessage) ||
/Exception:/i.test(cleanMessage)) {
level = 'ERROR';
}
allLogs.push({ stackName, containerName, source, level, message: cleanMessage, timestampMs });
};
@@ -891,10 +902,28 @@ app.get('/api/logs/global/stream', async (req: Request, res: Response) => {
cleanMessage = timeMatch[2];
}
// Default to INFO, or ERROR if coming from STDERR.
let level = source === 'STDERR' ? 'ERROR' : 'INFO';
if (/\[\s*(info|inf|debug|dbg)\s*\]/i.test(cleanMessage) || /^(info|debug)\b/i.test(cleanMessage)) level = 'INFO';
else if (/\b(warn|warning)\b/i.test(cleanMessage)) level = 'WARN';
else if (/\b(error|err|fatal|exception)\b/i.test(cleanMessage)) level = 'ERROR';
// 1. Explicitly check for INFO/DEBUG indicators (Overrides STDERR defaults)
if (/level=["']?(info|debug|trace)["']?/i.test(cleanMessage) ||
/\[\s*(info|inf|debug|dbg|trace)\s*\]/i.test(cleanMessage) ||
/(?:\s|^)(info|inf|debug|trace)(?:\s|:|\(|\[|$)/i.test(cleanMessage)) {
level = 'INFO';
}
// 2. Check for WARN indicators
else if (/level=["']?(warn|warning)["']?/i.test(cleanMessage) ||
/\[\s*(warn|warning)\s*\]/i.test(cleanMessage) ||
/(?:\s|^)(warn|warning)(?:\s|:|\(|\[|$)/i.test(cleanMessage)) {
level = 'WARN';
}
// 3. Check for ERROR indicators
else if (/level=["']?(error|err|fatal|crit|critical|panic)["']?/i.test(cleanMessage) ||
/\[\s*(error|err|fatal|crit|critical|panic)\s*\]/i.test(cleanMessage) ||
/(?:\s|^)(error|err|fatal|crit|critical|panic)(?:\s|:|\(|\[|$)/i.test(cleanMessage) ||
/Exception:/i.test(cleanMessage)) {
level = 'ERROR';
}
res.write(`data: ${JSON.stringify({ stackName, containerName, source, level, message: cleanMessage, timestampMs })}\n\n`);
};