class SemanticLogger::Formatters::Fluentd

by kubernetes fluentd.
Fluentd is similar to SemanticLogger::Formatters::Json but with log levels that are recognized

def initialize(time_format: :rfc_3339, time_key: :time, need_process_info: false, **args) 

def initialize(time_format: :rfc_3339, time_key: :time, need_process_info: false, **args)
  @need_process_info = need_process_info
  super(time_format: time_format, time_key: time_key, **args)
end

def level 

def level
  hash["severity"]       = log.level
  hash["severity_index"] = log.level_index
end

def process_info 

def process_info
  # Ignore fields: pid, thread, file and line by default
  super if need_process_info
end