Module: Datadog::Contrib::Faraday::Patcher

Includes:
Patcher
Defined in:
lib/ddtrace/contrib/faraday/patcher.rb

Overview

Patcher enables patching of ‘faraday’ module.

Defined Under Namespace

Classes: DeprecatedPin

Class Method Summary collapse

Methods included from Patcher

included

Class Method Details

.add_default_middleware! ⇒ Object 



42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
 
# File 'lib/ddtrace/contrib/faraday/patcher.rb', line 42

def add_default_middleware!
  if target_version >= Gem::Version.new('1.0.0')
    # Patch the default connection (e.g. +Faraday.get+)
    ::Faraday.default_connection.use(:ddtrace)

    # Patch new connection instances (e.g. +Faraday.new+)
    ::Faraday::Connection.send(:prepend, Connection)
  else
    # Patch the default connection (e.g. +Faraday.get+)
    #
    # We insert our middleware before the 'adapter', which is
    # always the last handler.
    idx = ::Faraday.default_connection.builder.handlers.size - 1
    ::Faraday.default_connection.builder.insert(idx, Middleware)

    # Patch new connection instances (e.g. +Faraday.new+)
    ::Faraday::RackBuilder.send(:prepend, RackBuilder)
  end
end

.add_pin! ⇒ Object 



28
29
30
31
32
33
34
35
36
 
# File 'lib/ddtrace/contrib/faraday/patcher.rb', line 28

def add_pin!
  DeprecatedPin
    .new(
      get_option(:service_name),
      app: Ext::APP,
      app_type: Datadog::Ext::AppTypes::WEB,
      tracer: -> { get_option(:tracer) }
    ).onto(::Faraday)
end

.get_option(option) ⇒ Object 



62
63
64
 
# File 'lib/ddtrace/contrib/faraday/patcher.rb', line 62

def get_option(option)
  Datadog.configuration[:faraday].get_option(option)
end

.patch ⇒ Object 



20
21
22
23
24
25
26
 
# File 'lib/ddtrace/contrib/faraday/patcher.rb', line 20

def patch
  require 'ddtrace/contrib/faraday/middleware'

  add_pin!
  register_middleware!
  add_default_middleware!
end

.register_middleware! ⇒ Object 



38
39
40
 
# File 'lib/ddtrace/contrib/faraday/patcher.rb', line 38

def register_middleware!
  ::Faraday::Middleware.register_middleware(ddtrace: Middleware)
end

.target_version ⇒ Object 



16
17
18
 
# File 'lib/ddtrace/contrib/faraday/patcher.rb', line 16

def target_version
  Integration.version
end