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# frozen_string_literal: true
require 'elasticsearch-transport'
module Gitlab
module Instrumentation
module ElasticsearchTransportInterceptor
def perform_request(method, path, params = {}, body = nil, headers = nil)
start = Time.now
headers = (headers || {})
.reverse_merge({ 'X-Opaque-Id': Labkit::Correlation::CorrelationId.current_or_new_id })
response = super
ensure
if ::Gitlab::SafeRequestStore.active?
duration = (Time.now - start)
::Gitlab::Instrumentation::ElasticsearchTransport.increment_request_count
if response&.body && response.body.is_a?(Hash) && response.body['timed_out']
::Gitlab::Instrumentation::ElasticsearchTransport.increment_timed_out_count
end
::Gitlab::Instrumentation::ElasticsearchTransport.add_duration(duration)
::Gitlab::Instrumentation::ElasticsearchTransport.add_call_details(duration, method, path, params, body)
end
end
end
class ElasticsearchTransport
ELASTICSEARCH_REQUEST_COUNT = :elasticsearch_request_count
ELASTICSEARCH_CALL_DURATION = :elasticsearch_call_duration
ELASTICSEARCH_CALL_DETAILS = :elasticsearch_call_details
ELASTICSEARCH_TIMED_OUT_COUNT = :elasticsearch_timed_out_count
def self.get_request_count
::Gitlab::SafeRequestStore[ELASTICSEARCH_REQUEST_COUNT] || 0
end
def self.increment_request_count
::Gitlab::SafeRequestStore[ELASTICSEARCH_REQUEST_COUNT] ||= 0
::Gitlab::SafeRequestStore[ELASTICSEARCH_REQUEST_COUNT] += 1
end
def self.detail_store
::Gitlab::SafeRequestStore[ELASTICSEARCH_CALL_DETAILS] ||= []
end
def self.query_time
query_time = ::Gitlab::SafeRequestStore[ELASTICSEARCH_CALL_DURATION] || 0
query_time.round(::Gitlab::InstrumentationHelper::DURATION_PRECISION)
end
def self.add_duration(duration)
::Gitlab::SafeRequestStore[ELASTICSEARCH_CALL_DURATION] ||= 0
::Gitlab::SafeRequestStore[ELASTICSEARCH_CALL_DURATION] += duration
end
def self.increment_timed_out_count
::Gitlab::SafeRequestStore[ELASTICSEARCH_TIMED_OUT_COUNT] ||= 0
::Gitlab::SafeRequestStore[ELASTICSEARCH_TIMED_OUT_COUNT] += 1
end
def self.get_timed_out_count
::Gitlab::SafeRequestStore[ELASTICSEARCH_TIMED_OUT_COUNT] || 0
end
def self.add_call_details(duration, method, path, params, body)
return unless Gitlab::PerformanceBar.enabled_for_request?
detail_store << {
method: method,
path: path,
params: params,
body: body,
duration: duration,
backtrace: ::Gitlab::BacktraceCleaner.clean_backtrace(caller)
}
end
end
end
end
class ::Elasticsearch::Transport::Client
prepend ::Gitlab::Instrumentation::ElasticsearchTransportInterceptor
end
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