debian-mirror-gitlab/lib/peek/views/redis_detailed.rb

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# frozen_string_literal: true
require 'redis'
module Gitlab
module Peek
module RedisInstrumented
def call(*args, &block)
start = Time.now
super(*args, &block)
ensure
duration = (Time.now - start)
add_call_details(duration, args)
end
private
def 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])
return unless args.length == 1
detail_store << {
cmd: args.first,
duration: duration,
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backtrace: ::Gitlab::Profiler.clean_backtrace(caller)
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}
end
def detail_store
::Gitlab::SafeRequestStore['redis_call_details'] ||= []
end
end
end
end
module Peek
module Views
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class RedisDetailed < DetailedView
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REDACTED_MARKER = "<redacted>"
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def key
'redis'
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end
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private
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def format_call_details(call)
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super.merge(cmd: format_command(call[:cmd]))
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end
def format_command(cmd)
if cmd.length >= 2 && cmd.first =~ /^auth$/i
cmd[-1] = REDACTED_MARKER
# Scrub out the value of the SET calls to avoid binary
# data or large data from spilling into the view
elsif cmd.length >= 3 && cmd.first =~ /set/i
cmd[2..-1] = REDACTED_MARKER
end
cmd.join(' ')
end
end
end
end
class Redis::Client
prepend Gitlab::Peek::RedisInstrumented
end