sentry-rails/lib/sentry/rails/tracing/active_record_subscriber.rb
require "sentry/rails/tracing/abstract_subscriber"
module Sentry
module Rails
module Tracing
class ActiveRecordSubscriber < AbstractSubscriber
EVENT_NAMES = ["sql.active_record"].freeze
SPAN_PREFIX = "db.".freeze
EXCLUDED_EVENTS = ["SCHEMA", "TRANSACTION"].freeze
def self.subscribe!
subscribe_to_event(EVENT_NAMES) do |event_name, duration, payload|
next if EXCLUDED_EVENTS.include? payload[:name]
record_on_current_span(op: SPAN_PREFIX + event_name, start_timestamp: payload[START_TIMESTAMP_NAME], description: payload[:sql], duration: duration) do |span|
span.set_tag(:cached, true) if payload.fetch(:cached, false) # cached key is only set for hits in the QueryCache, from Rails 5.1
connection = payload[:connection]
if payload[:connection_id]
span.set_data(:connection_id, payload[:connection_id])
# we fallback to the base connection on rails < 6.0.0 since the payload doesn't have it
connection ||= ActiveRecord::Base.connection_pool.connections.find { |conn| conn.object_id == payload[:connection_id] }
end
next unless connection
db_config =
if connection.pool.respond_to?(:db_config)
connection.pool.db_config.configuration_hash
elsif connection.pool.respond_to?(:spec)
connection.pool.spec.config
end
next unless db_config
span.set_data(Span::DataConventions::DB_SYSTEM, db_config[:adapter]) if db_config[:adapter]
span.set_data(Span::DataConventions::DB_NAME, db_config[:database]) if db_config[:database]
span.set_data(Span::DataConventions::SERVER_ADDRESS, db_config[:host]) if db_config[:host]
span.set_data(Span::DataConventions::SERVER_PORT, db_config[:port]) if db_config[:port]
span.set_data(Span::DataConventions::SERVER_SOCKET_ADDRESS, db_config[:socket]) if db_config[:socket]
end
end
end
end
end
end
end