# =============================================================================
# WOOO TECH - Momo Pro System
# Promtail Configuration
# =============================================================================

server:
  http_listen_port: 9080
  grpc_listen_port: 0

positions:
  filename: /tmp/positions.yaml

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

scrape_configs:
  # ==========================================================================
  # Flask/Gunicorn Application Logs
  # ==========================================================================
  - job_name: momo-app
    static_configs:
      - targets:
          - localhost
        labels:
          job: momo-app
          env: production
          __path__: /var/log/app/*.log

    pipeline_stages:
      - multiline:
          firstline: '^\d{4}-\d{2}-\d{2}'
          max_wait_time: 3s
      - regex:
          expression: '^(?P<timestamp>\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2},\d{3}) - (?P<level>\w+) - (?P<message>.*)$'
      - labels:
          level:
      - timestamp:
          source: timestamp
          format: '2006-01-02 15:04:05,000'

  # ==========================================================================
  # Gunicorn Access Log
  # ==========================================================================
  - job_name: gunicorn-access
    static_configs:
      - targets:
          - localhost
        labels:
          job: gunicorn-access
          env: production
          __path__: /var/log/app/gunicorn-access.log

    pipeline_stages:
      - regex:
          expression: '^(?P<remote_addr>\S+) - - \[(?P<time_local>[^\]]+)\] "(?P<method>\S+) (?P<path>\S+) (?P<protocol>\S+)" (?P<status>\d+) (?P<body_bytes>\d+) "(?P<referer>[^"]*)" "(?P<user_agent>[^"]*)"'
      - labels:
          method:
          status:
          path:

  # ==========================================================================
  # Gunicorn Error Log
  # ==========================================================================
  - job_name: gunicorn-error
    static_configs:
      - targets:
          - localhost
        labels:
          job: gunicorn-error
          env: production
          __path__: /var/log/app/gunicorn-error.log

    pipeline_stages:
      - multiline:
          firstline: '^\[\d{4}-\d{2}-\d{2}'
          max_wait_time: 3s

  # ==========================================================================
  # Nginx Access Log
  # ==========================================================================
  - job_name: nginx-access
    static_configs:
      - targets:
          - localhost
        labels:
          job: nginx-access
          env: production
          __path__: /var/log/nginx/*access*.log

    pipeline_stages:
      - regex:
          expression: '^(?P<remote_addr>\S+) - (?P<remote_user>\S+) \[(?P<time_local>[^\]]+)\] "(?P<method>\S+) (?P<path>\S+) (?P<protocol>\S+)" (?P<status>\d+) (?P<body_bytes>\d+) "(?P<referer>[^"]*)" "(?P<user_agent>[^"]*)"'
      - labels:
          method:
          status:
      - metrics:
          http_request_total:
            type: Counter
            description: "Total HTTP requests"
            source: status
            config:
              action: inc

  # ==========================================================================
  # Nginx Error Log
  # ==========================================================================
  - job_name: nginx-error
    static_configs:
      - targets:
          - localhost
        labels:
          job: nginx-error
          env: production
          __path__: /var/log/nginx/*error*.log

    pipeline_stages:
      - multiline:
          firstline: '^\d{4}/\d{2}/\d{2}'
          max_wait_time: 3s