Class: PierLogging::RequestLogger

Inherits:
Object
  • Object
show all
Defined in:
lib/pier_logging/request_logger.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app, logger = PierLogging::Logger.new(STDOUT)) ⇒ RequestLogger

Returns a new instance of RequestLogger.


5
6
7
8
 
# File 'lib/pier_logging/request_logger.rb', line 5

def initialize(app, logger = PierLogging::Logger.new(STDOUT))
  @app = app
  @logger = logger
end

Instance Attribute Details

#logger ⇒ Object (readonly)

Returns the value of attribute logger.


3
4
5
 
# File 'lib/pier_logging/request_logger.rb', line 3

def logger
  @logger
end

Instance Method Details

#call(env) ⇒ Object 


10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
# File 'lib/pier_logging/request_logger.rb', line 10

def call(env)
  starts_at = Time.now.utc
  begin
    status, type, body = response = @app.call(env)
    log([env, status, type, body, starts_at, Time.now.utc, nil])
  rescue Exception => exception
    status = determine_status_code_from_exception(exception)
    type = determine_type_from_exception(exception)
    body = determine_body_from_exception(exception)
    log([env, status, type, body, starts_at, Time.now.utc, exception])
    raise exception
  end

  response
end

#log(args) ⇒ Object

Optimization github.com/JuanitoFatas/fast-ruby#function-with-single-array-argument-vs-splat-arguments-code


27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
 
# File 'lib/pier_logging/request_logger.rb', line 27

def log(args)
  return unless PierLogging.request_logger_configuration.enabled

  env, status, type, body, starts_at, ends_at, _ = args
  request = Rack::Request.new(env)
  request_headers = get_request_headers_from_env(env)
  info = {
    message: build_message_from_request(request),
    type: 'http',
    duration: ((ends_at - starts_at)*1000).to_i,
    context: {
      user: (request_headers),
      request_id: env['action_dispatch.request_id'],
      correlation_id: get_correlation_id(env, request_headers)
    },
    request: {
      headers: request_headers,
      href: request.url,
      query_string: request.query_string,
      body: request_body(request.path, request.body)
    },
    response: {
      status: status,
      body: response_body(request.path, body),
      type: type['Content-Type'],
    }
  }
  logger.info info
rescue StandardError => error
  # We should never fall in this part as the only errors that could result in this are errors
  # in our logger (inside this same method)
  @logger.error(error.message)
end