lib/conjur/log_source.rb
#
# Copyright 2013-2017 Conjur Inc
#
# Permission is hereby granted, free of charge, to any person obtaining a copy of
# this software and associated documentation files (the "Software"), to deal in
# the Software without restriction, including without limitation the rights to
# use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
# the Software, and to permit persons to whom the Software is furnished to do so,
# subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
# FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
module Conjur
# This module provides logging support for actions taken by the Conjur API.
#
# @example
# class Example
# include LogSource
#
# def something_interesting param
# log{|l| l << "doing something interesting with #{param}"}
#
# # Do something interesting...
# end
#
# end
# # ...
#
# Example.new.something_interesting 'foo'
# # will log:
# # [admin] doing something interesting with foo
#
module LogSource
# Yield a logger to the block. You should use the `<<` method to write to the
# logger so that you don't send newlines or formatting. The block will only be called
# if {Conjur.log} is not nil.
#
# The log format is `"[<username>]<messages logged in block>\n"`.
#
# @yieldparam [#<<] logger a logger to write messages
# @return [void]
def log(&block)
if Conjur.log
Conjur.log << "["
Conjur.log << username
Conjur.log << "] "
yield Conjur.log
Conjur.log << "\n"
end
end
end
end