docs: README improvements - config, troubleshooting, structure
- Update RPM version numbers to 1.1.6 - Fix config file name (.yml not .conf) - Add complete configuration example with current schema - Add ClickHouse DSN format documentation - Add Troubleshooting section (ClickHouse, MV, sockets, systemd) - Update project structure with accurate file names Co-authored-by: Qwen-Coder <qwen-coder@alibabacloud.com>
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159
README.md
159
README.md
@ -71,9 +71,9 @@ docker run -d \
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make package-rpm
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# Installer le package RPM (Rocky Linux 8/9/10)
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sudo dnf install -y dist/rpm/rocky8/logcorrelator-1.0.7-1.el8.x86_64.rpm
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sudo dnf install -y dist/rpm/rocky9/logcorrelator-1.0.7-1.el9.x86_64.rpm
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sudo dnf install -y dist/rpm/almalinux10/logcorrelator-1.0.7-1.el10.x86_64.rpm
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sudo dnf install -y dist/rpm/el8/logcorrelator-1.1.6-1.el8.x86_64.rpm
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sudo dnf install -y dist/rpm/el9/logcorrelator-1.1.6-1.el9.x86_64.rpm
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sudo dnf install -y dist/rpm/el10/logcorrelator-1.1.6-1.el10.x86_64.rpm
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# Activer et démarrer le service
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sudo systemctl enable logcorrelator
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@ -95,51 +95,70 @@ go build -o logcorrelator ./cmd/logcorrelator
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## Configuration
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La configuration utilise un fichier YAML :
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La configuration utilise un fichier YAML. Voir `config.example.yml` pour un exemple complet.
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```yaml
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# Service configuration
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service:
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name: logcorrelator
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language: go
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# /etc/logcorrelator/logcorrelator.yml
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log:
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level: INFO # DEBUG, INFO, WARN, ERROR
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# Input sources (at least 2 required)
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inputs:
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unix_sockets:
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- name: http_source
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path: /var/run/logcorrelator/http.socket
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format: json
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- name: network_source
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path: /var/run/logcorrelator/network.socket
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format: json
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# Source HTTP (A) : logs applicatifs en JSON
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- name: http
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path: /var/run/logcorrelator/http.sock
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socket_permissions: "0666"
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socket_type: dgram
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# Source réseau (B) : logs IP/TCP/JA3... en JSON
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- name: network
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path: /var/run/logcorrelator/network.sock
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socket_permissions: "0666"
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socket_type: dgram
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# File output
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outputs:
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file:
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enabled: true
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path: /var/log/logcorrelator/correlated.log
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format: json_lines
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# ClickHouse output
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outputs:
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clickhouse:
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enabled: false
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dsn: clickhouse://user:pass@localhost:9000/db
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table: correlated_logs_http_network
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enabled: true
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dsn: clickhouse://data_writer:password@localhost:9000/mabase_prod
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table: http_logs_raw
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batch_size: 500
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flush_interval_ms: 200
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max_buffer_size: 5000
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drop_on_overflow: true
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# Correlation configuration
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correlation:
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key:
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- src_ip
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- src_port
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time_window:
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value: 1
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unit: s
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orphan_policy:
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apache_always_emit: true
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network_emit: false
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matching:
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mode: one_to_many # Keep-Alive : un B peut corréler plusieurs A
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buffers:
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max_http_items: 10000
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max_network_items: 20000
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ttl:
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network_ttl_s: 30
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```
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Exemple complet dans `config.example.yml`.
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### Format du DSN ClickHouse
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```
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clickhouse://username:password@host:port/database
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```
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Exemple : `clickhouse://data_writer:MonMotDePasse@127.0.0.1:9000/mabase_prod`
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Ports courants :
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- `9000` : port natif (recommandé pour le driver Go)
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- `8123` : port HTTP (alternative)
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## Format des logs
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@ -479,26 +498,84 @@ journalctl -u logcorrelator -f
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```
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.
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├── cmd/logcorrelator/ # Point d'entrée
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├── cmd/logcorrelator/ # Point d'entrée
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├── internal/
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│ ├── adapters/
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│ │ ├── inbound/unixsocket/
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│ │ ├── inbound/unixsocket/ # Sources HTTP et réseau
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│ │ └── outbound/
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│ │ ├── clickhouse/
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│ │ ├── file/
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│ │ └── multi/
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│ ├── app/ # Orchestration
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│ ├── config/ # Configuration
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│ ├── domain/ # Domaine (corrélation)
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│ ├── observability/ # Logging
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│ └── ports/ # Interfaces
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├── config.example.conf # Exemple de config
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├── Dockerfile # Build multi-stage
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├── build.sh # Script de build
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├── test.sh # Script de tests
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└── logcorrelator.service # Unité systemd
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│ │ ├── clickhouse/ # Sink ClickHouse
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│ │ ├── file/ # Sink fichier
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│ │ └── multi/ # Multi-sink
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│ ├── app/ # Orchestration
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│ ├── config/ # Configuration YAML
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│ ├── domain/ # Domaine (corrélation)
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│ ├── observability/ # Logging interne
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│ └── ports/ # Interfaces
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├── config.example.yml # Exemple de config
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├── Dockerfile # Build multi-stage
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├── Dockerfile.package # Packaging RPM
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├── Makefile # Commandes de build
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├── architecture.yml # Spécification architecture
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└── logcorrelator.service # Unité systemd
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```
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## License
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MIT
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## Troubleshooting
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### ClickHouse : erreurs d'insertion
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**Erreur : `No such column timestamp`**
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- Vérifiez que la table de destination est bien `http_logs_raw` (colonne unique `raw_json`)
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- Le service envoie un JSON sérialisé dans `raw_json`, pas des colonnes séparées
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**Erreur : `ACCESS_DENIED`**
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- Vérifiez les droits de l'utilisateur `data_writer` :
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```sql
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GRANT INSERT(raw_json) ON mabase_prod.http_logs_raw TO data_writer;
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GRANT SELECT(raw_json) ON mabase_prod.http_logs_raw TO data_writer;
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```
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### Vue matérialisée ne fonctionne pas
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**Symptôme :** `http_logs_raw` a des données, mais `http_logs` est vide
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1. Vérifiez que la MV existe :
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```sql
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SHOW CREATE TABLE mv_http_logs;
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```
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2. Vérifiez les droits SELECT pour `data_writer` sur `http_logs_raw`
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3. Testez manuellement :
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```sql
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INSERT INTO mabase_prod.http_logs
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SELECT * FROM mabase_prod.mv_http_logs
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WHERE time > now() - INTERVAL 1 HOUR;
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```
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### Sockets Unix : permission denied
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**Erreur :** `permission denied` sur `/var/run/logcorrelator/*.sock`
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- Vérifiez que les sockets ont les permissions `0666`
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- Vérifiez que l'utilisateur `logcorrelator` peut lire/écrire
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### Service systemd ne démarre pas
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1. Vérifiez les logs :
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```bash
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journalctl -u logcorrelator -n 50 --no-pager
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```
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2. Vérifiez la configuration :
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```bash
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cat /etc/logcorrelator/logcorrelator.yml
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```
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3. Testez manuellement :
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```bash
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/usr/bin/logcorrelator -config /etc/logcorrelator/logcorrelator.yml
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```
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