Class: MicroserviceLogger

Inherits:
Object
  • Object
show all
Defined in:
lib/json_event_logger.rb,
lib/microservice_logging.rb

Overview

Log all the things in JSON

Constant Summary collapse

DEFAULT_EVENT_TYPES =
[
  :http_request,
  :applejack,
  :startup,
  :exception
].freeze

Instance Method Summary collapse

Constructor Details

#initialize(service_name:, clock:, output:, scoped_properties: {}, events: DEFAULT_EVENT_TYPES) ⇒ MicroserviceLogger

Returns a new instance of MicroserviceLogger.



8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
# File 'lib/microservice_logging.rb', line 8

def initialize(service_name:,
               clock:,
               output:,
               scoped_properties: {},
               events: DEFAULT_EVENT_TYPES)
  @service_name = service_name
  @clock = clock
  @output = output
  @scoped_properties = scoped_properties
  @event_loggers = {}
  @events = events
  @events.each do |method_name|
    event_type = method_name.to_s
    @event_loggers[method_name] =
      JsonEventLogger.new(:service_name => @service_name,
                          :clock => @clock,
                          :output => @output,
                          :scoped_properties => @scoped_properties,
                          :event_type => event_type)
  end
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(event) ⇒ Object



30
31
32
33
# File 'lib/microservice_logging.rb', line 30

def method_missing(event)
  super unless @events.include? event
  @event_loggers[event]
end

Instance Method Details

#with(scoped_properties) ⇒ Object



42
43
44
45
46
47
# File 'lib/microservice_logging.rb', line 42

def with(scoped_properties)
  MicroserviceLogger.new(:service_name => @service_name,
                         :clock => @clock,
                         :output => @output,
                         :scoped_properties => scoped_properties)
end