canvas-lms/app/graphql/tracers/datadog_tracer.rb

50 lines
1.5 KiB
Ruby

#
# Copyright (C) 2018 - present Instructure, Inc.
#
# This file is part of Canvas.
#
# Canvas is free software: you can redistribute it and/or modify it under
# the terms of the GNU Affero General Public License as published by the Free
# Software Foundation, version 3 of the License.
#
# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
# details.
#
# You should have received a copy of the GNU Affero General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.
#
require 'datadog/statsd'
module Tracers
class DatadogTracer
def initialize(domain, first_party)
@domain = domain
@statsd = Datadog::Statsd.new('localhost', 8125)
@third_party = !first_party
end
def trace(key, metadata)
if key == "execute_query"
@statsd.batch do |statsd|
query_name = @third_party ?
"3rdparty" :
metadata[:query].operation_name || "unnamed"
tags = [
"domain:#@domain",
]
tags << "query_md5:#{Digest::MD5.hexdigest(metadata[:query].query_string)}" if !@third_party
statsd.increment("graphql.#{query_name}.count", tags: tags)
statsd.time("graphql.#{query_name}.time", tags: tags) do
yield
end
end
else
yield
end
end
end
end