Module: ViaqDataModelFilterSystemd

Included in:
Fluent::ViaqDataModelFilter
Defined in:
lib/fluent/plugin/filter_viaq_data_model_systemd.rb

Constant Summary collapse

JOURNAL_FIELD_MAP_SYSTEMD_T =

map of journal fields to viaq data model field

{
  "_AUDIT_LOGINUID"    => "AUDIT_LOGINUID",
  "_AUDIT_SESSION"     => "AUDIT_SESSION",
  "_BOOT_ID"           => "BOOT_ID",
  "_CAP_EFFECTIVE"     => "CAP_EFFECTIVE",
  "_CMDLINE"           => "CMDLINE",
  "_COMM"              => "COMM",
  "_EXE"               => "EXE",
  "_GID"               => "GID",
  "_MACHINE_ID"        => "MACHINE_ID",
  "_PID"               => "PID",
  "_SELINUX_CONTEXT"   => "SELINUX_CONTEXT",
  "_SYSTEMD_CGROUP"    => "SYSTEMD_CGROUP",
  "_SYSTEMD_OWNER_UID" => "SYSTEMD_OWNER_UID",
  "_SYSTEMD_SESSION"   => "SYSTEMD_SESSION",
  "_SYSTEMD_SLICE"     => "SYSTEMD_SLICE",
  "_SYSTEMD_UNIT"      => "SYSTEMD_UNIT",
  "_SYSTEMD_USER_UNIT" => "SYSTEMD_USER_UNIT",
  "_TRANSPORT"         => "TRANSPORT",
  "_UID"               => "UID"
}
JOURNAL_FIELD_MAP_SYSTEMD_U = 
{
  "CODE_FILE"         => "CODE_FILE",
  "CODE_FUNCTION"     => "CODE_FUNCTION",
  "CODE_LINE"         => "CODE_LINE",
  "ERRNO"             => "ERRNO",
  "MESSAGE_ID"        => "MESSAGE_ID",
  "RESULT"            => "RESULT",
  "UNIT"              => "UNIT",
  "SYSLOG_FACILITY"   => "SYSLOG_FACILITY",
  "SYSLOG_IDENTIFIER" => "SYSLOG_IDENTIFIER",
  "SYSLOG_PID"        => "SYSLOG_PID"
}
JOURNAL_FIELD_MAP_SYSTEMD_K = 
{
  "_KERNEL_DEVICE"    => "KERNEL_DEVICE",
  "_KERNEL_SUBSYSTEM" => "KERNEL_SUBSYSTEM",
  "_UDEV_SYSNAME"     => "UDEV_SYSNAME",
  "_UDEV_DEVNODE"     => "UDEV_DEVNODE",
  "_UDEV_DEVLINK"     => "UDEV_DEVLINK",
}
JOURNAL_TIME_FIELDS = 
['_SOURCE_REALTIME_TIMESTAMP', '__REALTIME_TIMESTAMP']

Instance Method Summary collapse

Instance Method Details

#process_journal_fields(tag, time, record, fmtr_type) ⇒ Object 



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# File 'lib/fluent/plugin/filter_viaq_data_model_systemd.rb', line 68

def process_journal_fields(tag, time, record, fmtr_type)
  systemd_t = {}
  JOURNAL_FIELD_MAP_SYSTEMD_T.each do |jkey, key|
    if record.key?(jkey)
      systemd_t[key] = record[jkey]
    end
  end
  systemd_u = {}
  JOURNAL_FIELD_MAP_SYSTEMD_U.each do |jkey, key|
    if record.key?(jkey)
      systemd_u[key] = record[jkey]
    end
  end
  systemd_k = {}
  JOURNAL_FIELD_MAP_SYSTEMD_K.each do |jkey, key|
    if record.key?(jkey)
      systemd_k[key] = record[jkey]
    end
  end
  unless systemd_t.empty?
    (record['systemd'] ||= {})['t'] = systemd_t
  end
  unless systemd_u.empty?
    (record['systemd'] ||= {})['u'] = systemd_u
  end
  unless systemd_k.empty?
    (record['systemd'] ||= {})['k'] = systemd_k
  end
  begin
    pri_index = ('%d' % record['PRIORITY'] || 9).to_i
    case
    when pri_index < 0
      pri_index = 9
    when pri_index > 9
      pri_index = 9
    end
  rescue
    pri_index = 9
  end
  record['level'] = ["emerg", "alert", "crit", "err", "warning", "notice", "info", "debug", "trace", "unknown"][pri_index]
  JOURNAL_TIME_FIELDS.each do |field|
    if (val = record[field])
      vali = val.to_i
      record['time'] = Time.at(vali / 1000000, vali % 1000000).utc.to_datetime.rfc3339(6)
      break
    end
  end
  case fmtr_type
  when :sys_journal
    record['message'] = record['MESSAGE']
    if record['_HOSTNAME'].eql?('localhost') && @docker_hostname
      record['hostname'] = @docker_hostname
    else
      record['hostname'] = record['_HOSTNAME']
    end
  when :k8s_journal
    record['message'] = record['message'] || record['MESSAGE'] || record['log']
    if record.key?('kubernetes') && record['kubernetes'].respond_to?(:fetch) && \
       (k8shost = record['kubernetes'].fetch('host', nil))
      record['hostname'] = k8shost
    elsif @docker_hostname
      record['hostname'] = @docker_hostname
    else
      record['hostname'] = record['_HOSTNAME']
    end
    transform_eventrouter(tag, record)
  end
end