debian-mirror-gitlab/rubocop/cop/gitlab/rails_logger.rb

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# frozen_string_literal: true
require_relative '../../code_reuse_helpers'
module RuboCop
module Cop
module Gitlab
class RailsLogger < ::RuboCop::Cop::Cop
include CodeReuseHelpers
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# This cop checks for the Rails.logger log methods in the codebase
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#
# @example
#
# # bad
# Rails.logger.error("Project #{project.full_path} could not be saved")
#
# # good
# Gitlab::AppLogger.error("Project %{project_path} could not be saved" % { project_path: project.full_path })
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#
# # OK
# Rails.logger.level
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MSG = 'Use a structured JSON logger instead of `Rails.logger`. ' \
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'https://docs.gitlab.com/ee/development/logging.html'
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# See supported log methods:
# https://ruby-doc.org/stdlib-2.6.6/libdoc/logger/rdoc/Logger.html
LOG_METHODS = %i[debug error fatal info warn].freeze
LOG_METHODS_PATTERN = LOG_METHODS.map(&:inspect).join(' ').freeze
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def_node_matcher :rails_logger_log?, <<~PATTERN
(send
(send (const nil? :Rails) :logger)
{#{LOG_METHODS_PATTERN}} ...
)
PATTERN
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def on_send(node)
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return unless rails_logger_log?(node)
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add_offense(node, location: :expression)
end
end
end
end
end