Class: Instana::XLogger

Inherits:
Logger
  • Object
show all
Defined in:
lib/instana/logger.rb

Constant Summary collapse

LEVELS = 
[:agent, :agent_comm, :trace, :agent_response, :tracing].freeze
STAMP = 
"Instana: ".freeze

Instance Method Summary collapse

Constructor Details

#initialize(*args) ⇒ XLogger

Returns a new instance of XLogger.



8
9
10
11
12
13
14
15
16
17
18
 
# File 'lib/instana/logger.rb', line 8

def initialize(*args)
  super(*args)
  if ENV.key?('INSTANA_GEM_TEST')
    self.level = Logger::DEBUG
  elsif ENV.key?('INSTANA_GEM_DEV')
    self.level = Logger::DEBUG
    self.debug_level = nil
  else
    self.level = Logger::WARN
  end
end

Instance Method Details

#agent(msg) ⇒ Object 



46
47
48
49
 
# File 'lib/instana/logger.rb', line 46

def agent(msg)
  return unless @level_agent
  self.debug(msg)
end

#agent_comm(msg) ⇒ Object 



51
52
53
54
 
# File 'lib/instana/logger.rb', line 51

def agent_comm(msg)
  return unless @level_agent_comm
  self.debug(msg)
end

#agent_response(msg) ⇒ Object 



56
57
58
59
 
# File 'lib/instana/logger.rb', line 56

def agent_response(msg)
  return unless @level_agent_response
  self.debug(msg)
end

#debug(msg) ⇒ Object 



83
84
85
 
# File 'lib/instana/logger.rb', line 83

def debug(msg)
  super(STAMP + msg)
end

#debug_level=(levels) ⇒ Object

Sets the debug level for this logger. The debug level is broken up into various sub-levels as defined in LEVELS:

:agent - All agent related messages such as state & announcements :agent_comm - Output all payload comm sent between this Ruby gem and the host agent :agent_response - Outputs messages related to handling requests received by the host agent :trace - Output all traces reported to the host agent :tracing - Output messages related to tracing components, spans and management

To use: ::Instana.logger.debug_level = [:agent_comm, :trace]



32
33
34
35
36
37
38
39
40
41
42
43
44
 
# File 'lib/instana/logger.rb', line 32

def debug_level=(levels)
  return unless levels

  LEVELS.each do |l|
    instance_variable_set("@level_#{l}", false)
  end

  levels = [ levels ] unless levels.is_a?(Array)
  levels.each do |l|
    next unless LEVELS.include?(l)
    instance_variable_set("@level_#{l}", true)
  end
end

#error(msg) ⇒ Object 



71
72
73
 
# File 'lib/instana/logger.rb', line 71

def error(msg)
  super(STAMP + msg)
end

#info(msg) ⇒ Object 



79
80
81
 
# File 'lib/instana/logger.rb', line 79

def info(msg)
  super(STAMP + msg)
end

#trace(msg) ⇒ Object 



61
62
63
64
 
# File 'lib/instana/logger.rb', line 61

def trace(msg)
  return unless @level_trace
  self.debug(msg)
end

#tracing(msg) ⇒ Object 



66
67
68
69
 
# File 'lib/instana/logger.rb', line 66

def tracing(msg)
  return unless @level_tracing
  self.debug(msg)
end

#unkown(msg) ⇒ Object 



87
88
89
 
# File 'lib/instana/logger.rb', line 87

def unkown(msg)
  super(STAMP + msg)
end

#warn(msg) ⇒ Object 



75
76
77
 
# File 'lib/instana/logger.rb', line 75

def warn(msg)
  super(STAMP + msg)
end