Class: Vagrant::Timer::Middleware

Inherits:
Object
  • Object
show all
Defined in:
lib/vagrant/timer.rb

Constant Summary collapse

@@previous_action_name = 
nil

Instance Method Summary collapse

Constructor Details

#initialize(app, env) ⇒ Middleware

Returns a new instance of Middleware.



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# File 'lib/vagrant/timer.rb', line 23

def initialize(app, env)
    @init_time = Time.now.utc

    @app = app
end

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/vagrant/timer.rb', line 29

def call(env)
    @start_call = Time.now.utc
    @app.call(env)
    @end_call = Time.now.utc

    env_obj = env[:env]
    vagrantfile = env_obj && env_obj.vagrantfile
    config = vagrantfile && vagrantfile.config
    vm = config && config.vm
    box = vm && vm.box

    event = {
        :ruby_version    => RUBY_VERSION,
        :platform        => RUBY_PLATFORM,
        :vagrant_version => Vagrant::VERSION,
        :box             => box,
        :action_name     => env[:action_name],
        :initialized_at  => @init_time,
        :started_at      => @start_call,
        :ended_at        => @end_call,
        :init_duration   => @start_call - @init_time,
        :call_duration   => @end_call - @start_call,
    }

    if !@@previous_action_name.nil?
        event[:previous_action_name] = @@previous_action_name
        event[:since_previous_action] = @init_time - @@previous_action_end
    end

    if !ENV['VAGRANT_TIMER_LOG'].nil?
        begin
            File.open(ENV['VAGRANT_TIMER_LOG'], 'a') do |file|
                file.write(event.to_json + "\n")
            end
        rescue SystemCallError => err
            puts "Unable to log event to #{ENV['VAGRANT_TIMER_LOG']}: #{err}"
        end
    end
    @@previous_action_name = env[:action_name]
    @@previous_action_end = @end_call
end