Class: Fluent::Plugin::NaisKubewatchFilter

Inherits:
Filter
  • Object
show all
Defined in:
lib/fluent/plugin/filter_nais_kubewatch.rb

Instance Method Summary collapse

Instance Method Details

#configure(conf) ⇒ Object



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# File 'lib/fluent/plugin/filter_nais_kubewatch.rb', line 11

def configure(conf)
  super
end

#filter(tag, time, record) ⇒ Object



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# File 'lib/fluent/plugin/filter_nais_kubewatch.rb', line 15

def filter(tag, time, record)
  if record['source'].is_a?(Hash)
    if record['source'].has_key?('host')
      record['host'] = record['source']['host']
    end
    if record['source'].has_key?('component')
      record['source'] = record['source']['component']
    end
  end
  record['event'] = record.delete('reason') if record.has_key?('reason')
  type = record.delete(@type_field)
  if type == 'Normal'
    record['level'] = 'Info'
  elsif !type.nil?
    record['level'] = type
  end
  if record.has_key?('involvedObject')
    if (record['involvedObject']['fieldPath'] =~ /^spec.containers\{([^\}]+)\}$/ ||
        record['involvedObject']['name'] =~ /^(.+?)(?:-[0-9a-f]{8,})?(?:-[0-9a-z]{5})?$/ ||
        (record['involvedObject']['kind'] == 'ReplicaSet' && record['involvedObject']['name'] =~ /^(.+?)(?:-[0-9a-f]{8,})?$/) ||
        (record['involvedObject']['kind'] =~ /(?:Deployment|DaemonSet)/ && record['involvedObject']['name'] =~ /^(.+)$/))
      record['application'] = $1
      record['namespace'] = record['involvedObject']['namespace']
      if record['involvedObject']['kind'] == 'Pod'
        record['pod'] = record['involvedObject']['name']
      else
        record.delete('pod')
      end
      record.delete('involvedObject')
      record.delete('container')
    end
    if record.has_key?('involvedObject')
      record['involvedObject'].delete('uid')
      record['involvedObject'].delete('resourceVersion')
      record['involvedObject'].delete('apiVersion')
    end
  end
  record.delete('count')
  record.delete('firstTimestamp')
  record.delete('metadata')
  timestamp = record.delete('lastTimestamp')
  unless timestamp.nil?
    record['@timestamp'] = Time.parse(timestamp).iso8601
  end
  record
end