67 lines
1.7 KiB
Ruby
67 lines
1.7 KiB
Ruby
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# frozen_string_literal: true
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require 'redis'
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module Gitlab
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module Instrumentation
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module RedisInterceptor
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def call(*args, &block)
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start = Time.now
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super(*args, &block)
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ensure
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duration = (Time.now - start)
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if ::RequestStore.active?
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::Gitlab::Instrumentation::Redis.increment_request_count
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::Gitlab::Instrumentation::Redis.add_duration(duration)
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::Gitlab::Instrumentation::Redis.add_call_details(duration, args)
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end
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end
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end
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class Redis
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REDIS_REQUEST_COUNT = :redis_request_count
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REDIS_CALL_DURATION = :redis_call_duration
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REDIS_CALL_DETAILS = :redis_call_details
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def self.get_request_count
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::RequestStore[REDIS_REQUEST_COUNT] || 0
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end
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def self.increment_request_count
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::RequestStore[REDIS_REQUEST_COUNT] ||= 0
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::RequestStore[REDIS_REQUEST_COUNT] += 1
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end
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def self.detail_store
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::RequestStore[REDIS_CALL_DETAILS] ||= []
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end
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def self.query_time
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::RequestStore[REDIS_CALL_DURATION] || 0
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end
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def self.add_duration(duration)
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total_time = query_time + duration
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::RequestStore[REDIS_CALL_DURATION] = total_time
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end
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def self.add_call_details(duration, args)
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return unless Gitlab::PerformanceBar.enabled_for_request?
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# redis-rb passes an array (e.g. [:get, key])
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return unless args.length == 1
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detail_store << {
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cmd: args.first,
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duration: duration,
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backtrace: ::Gitlab::BacktraceCleaner.clean_backtrace(caller)
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}
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end
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end
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end
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end
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class ::Redis::Client
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prepend ::Gitlab::Instrumentation::RedisInterceptor
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end
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