gitlab-org--gitlab-foss/lib/gitlab/gitaly_client/call.rb

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# frozen_string_literal: true
module Gitlab
module GitalyClient
class Call
def initialize(storage, service, rpc, request, remote_storage, timeout)
@storage = storage
@service = service
@rpc = rpc
@request = request
@remote_storage = remote_storage
@timeout = timeout
@duration = 0
end
def call(&block)
response = recording_request do
GitalyClient.execute(@storage, @service, @rpc, @request, remote_storage: @remote_storage, timeout: @timeout, &block)
end
if response.is_a?(Enumerator)
# When the given response is an enumerator (coming from streamed
# responses), we wrap it in order to properly measure the stream
# consumption as it happens.
#
# store_timings is not called in that scenario as needs to be
# handled lazily in the custom Enumerator context.
instrument_stream(response)
else
store_timings
response
end
rescue StandardError => err
store_timings
raise err
end
private
def instrument_stream(response)
Enumerator.new do |yielder|
loop do
value = recording_request { response.next }
yielder.yield(value)
end
ensure
store_timings
end
end
def recording_request
@start = Gitlab::Metrics::System.monotonic_time
yield
ensure
@duration += Gitlab::Metrics::System.monotonic_time - @start
end
def store_timings
GitalyClient.add_query_time(@duration)
return unless Gitlab::PerformanceBar.enabled_for_request?
request_hash = @request.is_a?(Google::Protobuf::MessageExts) ? @request.to_h : {}
GitalyClient.add_call_details(
start: @start,
feature: "#{@service}##{@rpc}",
duration: @duration,
request: request_hash,
rpc: @rpc,
backtrace: Gitlab::BacktraceCleaner.clean_backtrace(caller)
)
end
end
end
end