gitlab-org--gitlab-foss/lib/peek/views/redis_detailed.rb
Stan Hu a43c84e6ab Only track Redis calls if Peek is enabled
In dev environments, Sidekiq was encountering the message:

Circular dependency detected while autoloading constant Gitlab::Profiler

This saves some overhead during normal usage.
2019-08-02 23:48:14 -07:00

73 lines
1.5 KiB
Ruby

# 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)
return unless peek_enabled?
# redis-rb passes an array (e.g. [:get, key])
return unless args.length == 1
detail_store << {
cmd: args.first,
duration: duration,
backtrace: ::Gitlab::Profiler.clean_backtrace(caller)
}
end
def peek_enabled?
Gitlab::SafeRequestStore.store[:peek_enabled]
end
def detail_store
::Gitlab::SafeRequestStore['redis_call_details'] ||= []
end
end
end
end
module Peek
module Views
class RedisDetailed < DetailedView
REDACTED_MARKER = "<redacted>"
def key
'redis'
end
private
def format_call_details(call)
super.merge(cmd: format_command(call[:cmd]))
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