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Versions: 8
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Contents
require 'ddtrace/patcher'
module Datadog
module Contrib
# Common behavior for patcher modules
module Patcher
def self.included(base)
base.send(:include, Datadog::Patcher)
base.singleton_class.send(:prepend, CommonMethods)
base.send(:prepend, CommonMethods) if base.class == Class
end
# Prepended instance methods for all patchers
module CommonMethods
def patch_name
self.class != Class && self.class != Module ? self.class.name : name
end
def patched?
done?(:patch)
end
def patch
return unless defined?(super)
do_once(:patch) do
begin
super.tap do
# Emit a metric
Diagnostics::Health.metrics.instrumentation_patched(1, tags: default_tags)
end
rescue StandardError => e
# Log the error
Datadog::Logger.log.error("Failed to apply #{patch_name} patch. Cause: #{e} Location: #{e.backtrace.first}")
# Emit a metric
tags = default_tags
tags << "error:#{e.class.name}"
Diagnostics::Health.metrics.error_instrumentation_patch(1, tags: tags)
end
end
end
private
def default_tags
["patcher:#{patch_name}"].tap do |tags|
tags << "target_version:#{target_version}" if respond_to?(:target_version) && !target_version.nil?
end
end
end
end
end
end
Version data entries
8 entries across 8 versions & 1 rubygems