Class: Datadog::Statsd::Serialization::ServiceCheckSerializer

Inherits:
Object
  • Object
show all
Defined in:
lib/datadog/statsd/serialization/service_check_serializer.rb

Constant Summary collapse

SERVICE_CHECK_BASIC_OPTIONS =
{
  timestamp: 'd:',
  hostname:  'h:',
}.freeze

Instance Method Summary collapse

Constructor Details

#initialize(global_tags: []) ⇒ ServiceCheckSerializer

Returns a new instance of ServiceCheckSerializer.


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# File 'lib/datadog/statsd/serialization/service_check_serializer.rb', line 12

def initialize(global_tags: [])
  @tag_serializer = TagSerializer.new(global_tags)
end

Instance Method Details

#format(name, status, options = EMPTY_OPTIONS) ⇒ Object


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# File 'lib/datadog/statsd/serialization/service_check_serializer.rb', line 16

def format(name, status, options = EMPTY_OPTIONS)
  String.new.tap do |service_check|
    # line basics
    service_check << "_sc"
    service_check << "|"
    service_check << name.to_s
    service_check << "|"
    service_check << status.to_s

    # we are serializing the generic service check options
    # before serializing specialized options that need edge-cases
    SERVICE_CHECK_BASIC_OPTIONS.each do |option_key, shortcut|
      if value = options[option_key]
        service_check << '|'
        service_check << shortcut
        service_check << value.to_s.delete('|')
      end
    end

    if message = options[:message]
      service_check << '|m:'
      service_check << escape_message(message)
    end

    # also returns the global tags from serializer
    if tags = tag_serializer.format(options[:tags])
      service_check << '|#'
      service_check << tags
    end
  end
end