debian-mirror-gitlab/lib/gitlab/metrics/background_transaction.rb
2021-04-29 21:17:54 +05:30

65 lines
1.6 KiB
Ruby

# frozen_string_literal: true
module Gitlab
module Metrics
class BackgroundTransaction < Transaction
# Separate web transaction instance and background transaction instance
BACKGROUND_THREAD_KEY = :_gitlab_metrics_background_transaction
BACKGROUND_BASE_LABEL_KEYS = %i(endpoint_id feature_category).freeze
class << self
def current
Thread.current[BACKGROUND_THREAD_KEY]
end
def prometheus_metric(name, type, &block)
fetch_metric(type, name) do
# set default metric options
docstring "#{name.to_s.humanize} #{type}"
evaluate(&block)
# always filter sensitive labels and merge with base ones
label_keys BACKGROUND_BASE_LABEL_KEYS | (label_keys - ::Gitlab::Metrics::Transaction::FILTERED_LABEL_KEYS)
end
end
end
def run
Thread.current[BACKGROUND_THREAD_KEY] = self
yield
ensure
Thread.current[BACKGROUND_THREAD_KEY] = nil
end
def labels
@labels ||= {
endpoint_id: endpoint_id,
feature_category: feature_category,
queue: queue
}
end
private
def current_context
Labkit::Context.current
end
def feature_category
current_context&.get_attribute(:feature_category)
end
def endpoint_id
current_context&.get_attribute(:caller_id)
end
def queue
worker_class = endpoint_id.to_s.safe_constantize
return if worker_class.blank? || !worker_class.respond_to?(:queue)
worker_class.queue.to_s
end
end
end
end