prometheus/meta/fluentd.yml

{%- if pillar.get('fluentd', {}).get('agent', {}).get('enabled', False) %}
  {%- if pillar.get('prometheus', {}).get('exporters', {}).libvirt is defined %}
    {%- if grains.get('init') == 'systemd' %}
agent:
  config:
    label:
      libvirt_exporter:
        filter:
          enrich:
            tag: 'libvirt-exporter.**'
            type: record_transformer
            enable_ruby: true
            record:
              - name: programname
                value: libvirt-exp
              - name: severity_label
                value: ${ if record["Payload"].downcase.include? "error"; "ERROR"; else; "INFO"; end }
          add_severity:
            require:
              - enrich
            tag: 'libvirt-exporter.**'
            type: record_transformer
            enable_ruby: true
            record:
              - name: Severity
                value: '${ { 8=>"TRACE",7=>"DEBUG",6=>"INFO",5=>"NOTICE",4=>"WARNING",3=>"ERROR",2=>"CRITICAL",1=>"ALERT",0=>"EMERGENCY" }.key(record["severity_label"]) }'
        match:
          push_to_default:
            tag: 'libvirt-exporter.**'
            type: relabel
            label: default_output
    {%- endif %}
  {%- endif %}
{%- endif %}