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Add Dalli instrumentation to Skylight

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This commit is contained in:
Henrik Hodne 2014-04-09 03:08:22 -05:00
parent 37f2102513
commit 738cbb54d3
1 changed files with 19 additions and 0 deletions
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19
config.ru
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@ -32,12 +32,31 @@ end
if ENV['SKYLIGHT_APPLICATION'] if ENV['SKYLIGHT_APPLICATION']
require 'skylight' require 'skylight'
require 'skylight/probes/net_http'
require 'logger' require 'logger'
config = Skylight::Config.load(nil, ENV['RACK_ENV'], ENV) config = Skylight::Config.load(nil, ENV['RACK_ENV'], ENV)
config['root'] = File.expand_path('..', __FILE__) config['root'] = File.expand_path('..', __FILE__)
config['agent.sockfile_path'] = File.expand_path('../tmp', __FILE__) config['agent.sockfile_path'] = File.expand_path('../tmp', __FILE__)
config.logger = Logger.new(STDOUT) config.logger = Logger.new(STDOUT)
config.validate! config.validate!
class DalliProbe
def install
%w[get get_multi set add incr decr delete replace append prepend].each do |method_name|
next unless Dalli::Client.method_defined?(method_name.to_sym)
Dalli::Client.class_eval <<-EOD
alias #{method_name}_without_sk #{method_name}
def #{method_name}(*args, &block)
Skylight.instrument(category: "api.memcache.#{method_name}", title: "Memcache #{method_name}") do
#{method_name}_without_sk(*args, &block)
end
end
EOD
end
end
end
Skylight::Probes.register("Dalli::Client", "dalli", DalliProbe.new)
Skylight.start!(config) Skylight.start!(config)
use Skylight::Middleware use Skylight::Middleware