description: Pipeline for Google Cloud VPC Flow Logs

processors:
  - set:
      field: event.ingested
      value: '{{_ingest.timestamp}}'

  # IP Geolocation Lookup
  - geoip:
      field: source.ip
      target_field: source.geo
      ignore_missing: true
  - geoip:
      field: destination.ip
      target_field: destination.geo
      ignore_missing: true

  # IP Autonomous System (AS) Lookup
  - geoip:
      database_file: GeoLite2-ASN.mmdb
      field: source.ip
      target_field: source.as
      properties:
        - asn
        - organization_name
      ignore_missing: true
  - geoip:
      database_file: GeoLite2-ASN.mmdb
      field: destination.ip
      target_field: destination.as
      properties:
        - asn
        - organization_name
      ignore_missing: true
  - rename:
      field: source.as.asn
      target_field: source.as.number
      ignore_missing: true
  - rename:
      field: source.as.organization_name
      target_field: source.as.organization.name
      ignore_missing: true
  - rename:
      field: destination.as.asn
      target_field: destination.as.number
      ignore_missing: true
  - rename:
      field: destination.as.organization_name
      target_field: destination.as.organization.name
      ignore_missing: true

on_failure:
  - set:
      field: error.message
      value: '{{ _ingest.on_failure_message }}'