Class: Datadog::Loggers::JSONFormatter

Inherits:
Logger::Formatter
  • Object
show all
Defined in:
lib/datadog/loggers/json_formatter.rb

Defined Under Namespace

Modules: DefaultFormatter, ExceptionFormatter, HashFormatter, ProcFormatter, StringFormatter

Class Method Summary collapse

Class Method Details

.base_log_hash(severity, datetime, progname) ⇒ Object 



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# File 'lib/datadog/loggers/json_formatter.rb', line 20

def self.base_log_hash(severity, datetime, progname)
  {
    dd: correlation_hash,
    timestamp: datetime.to_s,
    severity: severity.ljust(5).to_s,
    progname: progname.to_s,
    **custom_context
  }
end

.call(severity, datetime, progname, msg) {|log_hash| ... } ⇒ Object

Yields:

  • (log_hash) 


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# File 'lib/datadog/loggers/json_formatter.rb', line 10

def self.call(severity, datetime, progname, msg)
  log_hash = base_log_hash(severity, datetime, progname)
  formatter = formatter_for(msg)
  formatter.format(log_hash, msg)

  yield(log_hash) if block_given?

  "#{::JSON.dump(log_hash)}\n"
end

.correlation_hash ⇒ Object 



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# File 'lib/datadog/loggers/json_formatter.rb', line 47

def self.correlation_hash
  correlation = Datadog::Tracing.correlation
  {
    trace_id: correlation.trace_id&.to_s,
    span_id: correlation.span_id&.to_s,
    env: correlation.env&.to_s,
    service: correlation.service&.to_s,
    version: correlation.version&.to_s
  }
end

.custom_context ⇒ Object 



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# File 'lib/datadog/loggers/json_formatter.rb', line 30

def self.custom_context
  context = Datadog::JSONLogger.config.custom_context
  return {} unless context.respond_to?(:call)

  context.call
end

.formatter_for(msg) ⇒ Object 



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# File 'lib/datadog/loggers/json_formatter.rb', line 37

def self.formatter_for(msg)
  case msg
  when Hash then HashFormatter
  when Exception then ExceptionFormatter
  when String then StringFormatter
  when Proc then ProcFormatter
  else DefaultFormatter
  end
end