Magento

log_format '$remote_addr - $remote_user [$time_local] '
           '"$request" $status $body_bytes_sent '
           '"$http_referer" "$http_user_agent"';

server:
  http_listen_port: 9080
  grpc_listen_port: 0
  http_listen_address: 127.0.0.1

positions:
  filename: /opt/promtail/positions.yaml

clients:
- url: http://loki-endpoing:3100/loki/api/v1/push

scrape_configs:
- job_name: magento_exception_log
  pipeline_stages:
  - multiline:
      firstline: '\[(\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}\.\d{6}\+\d{2}:\d{2})\]'
      max_wait_time: 5s
  static_configs:
  - targets:
      - localhost
    labels:
      engine: magento
      log_type: exception
      brand: mybrand
      service: magento
      __path__: /path/to/var/log/exception.log

- job_name: magento_system_log
  pipeline_stages:
  - multiline:
      firstline: '\[(\d{4}-\d{2}-\d{2}T\d{2}:\d{2}:\d{2}\.\d{6}\+\d{2}:\d{2})\]'
      max_wait_time: 5s
  static_configs:
  - targets:
      - localhost
    labels:
      engine: magento
      log_type: system
      brand: mybrand
      service: magento
      __path__: /path/to/var/log/system.log

- job_name: magento_report
  static_configs:
  - targets:
      - localhost
    labels:
      engine: magento
      log_type: report
      brand: mybrand
      service: magento
      __path__: /path/to/var/report/*

- job_name: web_access
  static_configs:
  - targets:
      - localhost
    labels:
      engine: magento
      log_type: web_access
      brand: mybrand
      service: nginx
      __path__: /var/log/nginx/mybrand-access.log

- job_name: web_error
  static_configs:
  - targets:
      - localhost
    labels:
      engine: magento
      log_type: web_error
      brand: mybrand
      service: nginx
      __path__: /var/log/nginx/mybrand-error.log

- job_name: phpfpm
  static_configs:
  - targets:
      - localhost
    labels:
      engine: magento
      log_type: phpfpm
      brand: mybrand
      service: phpfpm
      __path__: /var/log/php-fpm.log