Class: Appsignal::Transaction

Inherits:
Object
  • Object
show all
Defined in:
lib/appsignal/transaction.rb,
lib/appsignal/transaction/formatter.rb,
lib/appsignal/transaction/params_sanitizer.rb

Defined Under Namespace

Classes: Formatter, ParamsSanitizer, ParamsSanitizerCopy, ParamsSanitizerCopyScrub, ParamsSanitizerDestructive, ParamsSanitizerDestructiveScrub

Constant Summary collapse

ENV_METHODS =

Based on what Rails uses + some variables we’d like to show

%w(CONTENT_LENGTH AUTH_TYPE GATEWAY_INTERFACE
PATH_TRANSLATED REMOTE_HOST REMOTE_IDENT REMOTE_USER REMOTE_ADDR
REQUEST_METHOD SERVER_NAME SERVER_PORT SERVER_PROTOCOL

HTTP_X_REQUEST_START HTTP_X_MIDDLEWARE_START HTTP_X_QUEUE_START
HTTP_X_QUEUE_TIME HTTP_X_HEROKU_QUEUE_WAIT_TIME HTTP_X_APPLICATION_START
HTTP_ACCEPT HTTP_ACCEPT_CHARSET HTTP_ACCEPT_ENCODING HTTP_ACCEPT_LANGUAGE
HTTP_CACHE_CONTROL HTTP_CONNECTION HTTP_USER_AGENT HTTP_FROM HTTP_NEGOTIATE
HTTP_PRAGMA HTTP_REFERER HTTP_X_FORWARDED_FOR).freeze

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(request_id, env) ⇒ Transaction 



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# File 'lib/appsignal/transaction.rb', line 27

def initialize(request_id, env)
  @request_id = request_id
  @events = []
  @process_action_event = nil
  @exception = nil
  @env = env
  @tags = {}
end

Instance Attribute Details

#action ⇒ Object (readonly)

Returns the value of attribute action.



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# File 'lib/appsignal/transaction.rb', line 24

def action
  @action
end

#env ⇒ Object (readonly)

Returns the value of attribute env.



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# File 'lib/appsignal/transaction.rb', line 24

def env
  @env
end

#events ⇒ Object (readonly)

Returns the value of attribute events.



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# File 'lib/appsignal/transaction.rb', line 24

def events
  @events
end

#exception ⇒ Object (readonly)

Returns the value of attribute exception.



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# File 'lib/appsignal/transaction.rb', line 24

def exception
  @exception
end

#fullpath ⇒ Object (readonly)

Returns the value of attribute fullpath.



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# File 'lib/appsignal/transaction.rb', line 24

def fullpath
  @fullpath
end

#process_action_event ⇒ Object (readonly)

Returns the value of attribute process_action_event.



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# File 'lib/appsignal/transaction.rb', line 24

def process_action_event
  @process_action_event
end

#request_id ⇒ Object (readonly)

Returns the value of attribute request_id.



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# File 'lib/appsignal/transaction.rb', line 24

def request_id
  @request_id
end

#tags ⇒ Object (readonly)

Returns the value of attribute tags.



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# File 'lib/appsignal/transaction.rb', line 24

def tags
  @tags
end

#time ⇒ Object (readonly)

Returns the value of attribute time.



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# File 'lib/appsignal/transaction.rb', line 24

def time
  @time
end

Class Method Details

.create(key, env) ⇒ Object 



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# File 'lib/appsignal/transaction.rb', line 14

def self.create(key, env)
  Appsignal.logger.debug("Creating transaction: #{key}")
  Thread.current[:appsignal_transaction_id] = key
  Appsignal.transactions[key] = Appsignal::Transaction.new(key, env)
end

.current ⇒ Object 



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# File 'lib/appsignal/transaction.rb', line 20

def self.current
  Appsignal.transactions[Thread.current[:appsignal_transaction_id]]
end

Instance Method Details

#add_event(event) ⇒ Object 



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# File 'lib/appsignal/transaction.rb', line 59

def add_event(event)
  @events << event
end

#add_exception(ex) ⇒ Object 



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# File 'lib/appsignal/transaction.rb', line 63

def add_exception(ex)
  @time = Time.now.utc.to_f
  @exception = ex
end

#complete! ⇒ Object 



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# File 'lib/appsignal/transaction.rb', line 106

def complete!
  Appsignal.logger.debug("Completing transaction: #{@request_id}")
  Thread.current[:appsignal_transaction_id] = nil
  current_transaction = Appsignal.transactions.delete(@request_id)
  if process_action_event || exception?
    Appsignal.enqueue(current_transaction)
  else
    Appsignal.logger.debug("No process_action_event or exception: #{@request_id}")
  end
end

#convert_values_to_primitives! ⇒ Object 



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# File 'lib/appsignal/transaction.rb', line 90

def convert_values_to_primitives!
  Appsignal::Transaction::ParamsSanitizer.sanitize!(@process_action_event.payload) if @process_action_event
  @events.each { |o| Appsignal::Transaction::ParamsSanitizer.sanitize!(o.payload) }
  add_sanitized_context!
end

#exception? ⇒ Boolean 



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# File 'lib/appsignal/transaction.rb', line 68

def exception?
  !!exception
end

#http_queue_start ⇒ Object 



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# File 'lib/appsignal/transaction.rb', line 117

def http_queue_start
  return unless env
  env_var = env['HTTP_X_QUEUE_START'] || env['HTTP_X_REQUEST_START']
  if env_var
    value = env_var.tr('^0-9', '')
    unless value.empty?
      value.to_f / 1_000_000
    end
  end
end

#request ⇒ Object 



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# File 'lib/appsignal/transaction.rb', line 44

def request
  ::Rack::Request.new(@env)
end

#sanitized_environment ⇒ Object 



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# File 'lib/appsignal/transaction.rb', line 36

def sanitized_environment
  @sanitized_environment ||= {}
end

#sanitized_session_data ⇒ Object 



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# File 'lib/appsignal/transaction.rb', line 40

def sanitized_session_data
  @sanitized_session_data ||= {}
end

#set_process_action_event(event) ⇒ Object 



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# File 'lib/appsignal/transaction.rb', line 52

def set_process_action_event(event)
  @process_action_event = event
  if event && event.payload
    @action = "#{event.payload[:controller]}##{event.payload[:action]}"
  end
end

#set_tags(given_tags = {}) ⇒ Object 



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# File 'lib/appsignal/transaction.rb', line 48

def set_tags(given_tags={})
  @tags.merge!(given_tags)
end

#slow_request? ⇒ Boolean 



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# File 'lib/appsignal/transaction.rb', line 72

def slow_request?
  return false unless process_action_event && process_action_event.payload
  Appsignal.config[:slow_request_threshold] <= process_action_event.duration
end

#slower?(transaction) ⇒ Boolean 



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# File 'lib/appsignal/transaction.rb', line 77

def slower?(transaction)
  process_action_event.duration > transaction.process_action_event.duration
end

#to_hash ⇒ Object 



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# File 'lib/appsignal/transaction.rb', line 102

def to_hash
  Formatter.new(self).to_hash
end

#truncate! ⇒ Object 



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# File 'lib/appsignal/transaction.rb', line 81

def truncate!
  process_action_event.payload.clear
  events.clear
  tags.clear
  sanitized_environment.clear
  sanitized_session_data.clear
  @env = nil
end

#type ⇒ Object 



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# File 'lib/appsignal/transaction.rb', line 96

def type
  return :exception if exception?
  return :slow_request if slow_request?
  :regular_request
end