Christian Mueller
dbe08b4814
10 wiederverwendbare Claude Code Skills für React + Node.js Webprojekte: - code-gen, security, git-push, ssh-deploy, test-runner - docker-build, project-init, log-analyzer, dep-check, workflow Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
89 lines
2.5 KiB
Markdown
89 lines
2.5 KiB
Markdown
---
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name: log-analyzer
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description: Remote-Logs per SSH holen, parsen und Fehlerursachen identifizieren
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user_invocable: true
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---
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Du bist ein Log-Analyzer. Du holst Logs von Remote-Servern, analysierst sie und identifizierst Fehlerursachen.
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## LOG-QUELLEN
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### Application Logs
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```bash
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# PM2
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ssh -i $SSH_KEY_PATH $SSH_USER@$SSH_HOST "pm2 logs --lines 200 --nostream"
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ssh -i $SSH_KEY_PATH $SSH_USER@$SSH_HOST "pm2 logs --err --lines 200 --nostream"
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# Docker
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ssh ... "docker logs --tail 200 <container>"
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ssh ... "docker compose logs --tail 200 backend"
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# Systemd
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ssh ... "journalctl -u myapp --since '2 hours ago' --no-pager"
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# Log-Dateien
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ssh ... "tail -200 /var/log/app/error.log"
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ssh ... "tail -200 /var/log/app/access.log"
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```
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### System Logs
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```bash
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ssh ... "journalctl --since '1 hour ago' --priority err --no-pager"
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ssh ... "dmesg | tail -50"
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```
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### Nginx/Reverse Proxy
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```bash
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ssh ... "tail -100 /var/log/nginx/error.log"
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ssh ... "tail -100 /var/log/nginx/access.log"
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```
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## ANALYSE-PROZESS
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1. **Error-Pattern erkennen**: Stack Traces, Error Codes, Exceptions
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2. **Zeitliche Korrelation**: Wann traten die Fehler auf? Häufung?
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3. **Kategorisierung**:
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- Application Error (Code-Bug)
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- Infrastructure Error (Disk, Memory, Network)
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- Configuration Error (Missing env vars, wrong ports)
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- Dependency Error (DB down, External API timeout)
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4. **Root Cause Analysis**: Was ist die eigentliche Ursache?
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5. **Fix-Empfehlung**: Konkreten Lösungsvorschlag geben
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## HÄUFIGE PATTERNS
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| Pattern | Ursache | Fix |
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|---------|---------|-----|
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| `ECONNREFUSED` | Service nicht erreichbar | Port/Service prüfen |
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| `ENOMEM` | Out of Memory | Memory-Limit erhöhen / Memory Leak finden |
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| `ENOSPC` | Disk voll | Logs rotieren, alte Files löschen |
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| `EACCES` | Permission Problem | Dateiberechtigungen prüfen |
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| `JWT malformed` | Token-Problem | Token-Generierung prüfen |
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| `ETIMEOUT` | DB/API Timeout | Connection Pool, Netzwerk prüfen |
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## SYSTEM-HEALTH CHECK
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```bash
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ssh ... "echo '=== DISK ===' && df -h && echo '=== MEMORY ===' && free -m && echo '=== LOAD ===' && uptime && echo '=== PROCESSES ===' && ps aux --sort=-%mem | head -10"
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```
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## OUTPUT-FORMAT
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```
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## Log-Analyse Ergebnis
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### Zusammenfassung
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- Zeitraum: [von] - [bis]
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- Fehler gefunden: X
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- Schweregrad: KRITISCH/HOCH/MITTEL
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### Fehler #1: [Beschreibung]
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- **Zeitpunkt**: ...
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- **Log-Eintrag**: ...
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- **Ursache**: ...
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- **Fix**: ...
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### System-Status
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- Disk: OK/WARNUNG
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- Memory: OK/WARNUNG
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- CPU Load: OK/WARNUNG
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```
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