问使用Rails 4.2和lograge，如何在每个记录的行之前启用日期/时间？

EN

config.lograge.formatter = ->(data) { data.reverse_merge({time: Time.now}) }# data is a ruby hash.

{:time=>2021-11-16 12:26:24.65362 +0000, :method=>"GET", :path=>"/", :format=>:html, :controller=>"Controller", :action=>"index", :status=>200, :duration=>393.41, :view=>85.55, :db=>1.38}

Rails.application.configure do
  config.lograge.enabled = true
  config.lograge.formatter = Lograge::Formatters::Logstash.new

  # add time to lograge
  config.lograge.custom_options = lambda do |event|
    { time: Time.now } #or use time:event.time 
  end
end

      gem "logstash-event"

#config/environments/production.rb
MyApp::Application.configure do
  config.lograge.enabled = true

  # add time to lograge
  config.lograge.custom_options = lambda do |event|
    {:time => event.time}
  end
end

config.lograge.custom_options = lambda do |event|
      unwanted_keys = %w[format action controller utf8]
      params = event.payload[:params].reject { |key,_| unwanted_keys.include? key }
      {time: event.time.to_s(:db), user: event.payload[:user], params: params}
    end

# Define a setter to pass in a custom log formatter

class ActiveSupport::BufferedLogger

  def formatter=(formatter)

    @log.formatter = formatter

  end

end



# Defines a custom log format (time, severity, message, PID, backtrace)... all with color!

class Formatter

  SEVERITY_TO_TAG   = {'DEBUG'=>'meh', 'INFO'=>'fyi', 'WARN'=>'hmm', 'ERROR'=>'wtf', 'FATAL'=>'omg', 'UNKNOWN'=>'???'}

  SEVERITY_TO_COLOR = {'DEBUG'=>'37',  'INFO'=>'32',  'WARN'=>'33',  'ERROR'=>'31',  'FATAL'=>'31',  'UNKNOWN'=>'37'}

  HUMOR_FOR_ENV     = {development: true, test: true, production: false}

  DEPTH_FOR_ENV     = {development: 3,    test: 3,    production: 1}

  EXCLUSION_REGEX   = /log|active_support|active_record/



  def humorous?

    return @is_humorous if defined? @is_humorous

    @is_humorous = HUMOR_FOR_ENV[ Rails.env.to_sym ]

  end



  def depth

    @depth ||= DEPTH_FOR_ENV[ Rails.env.to_sym ]

  end



  def call(severity, time, progname, msg)

    t     = time.strftime("%Y-%m-%d %H:%M:%S.") << time.usec.to_s[0..2].rjust(3)

    color = SEVERITY_TO_COLOR[severity]

    sev   = humorous? ? "%-3s" % SEVERITY_TO_TAG[severity] # pad to at least 3 characters

                      : "%-5s" % severity                  # pad to at least 5 characters



    # 2013-05-01 19:16:00.785 [omg] oh noes! (pid:30976) (admin/user.rb:45:in `block (4 levels) in <top (required)>') <- `call' <- `content_for' <- `block (2 levels) in row' <- `block in build_tag'

    "\033[0;37m#{t}\033[0m [\033[#{color}m#{sev}\033[0m] #{msg.strip} (pid:#{$$}) #{whodunit}\033[0m\n"

  end



  def whodunit

    latest, *others = caller.select{ |a| a !~ EXCLUSION_REGEX }[0, depth]

    latest = latest[/(lib|app)\/(.*)/,-1] || latest

    string = ""

    string << "\033[36m(#{latest})"

    string << "\033[35m <- " + others.map{ |s| s[/`.*/] }.join(' <- ') if others.any?

    string

  end



end



Rails.logger.formatter = Formatter.new

include 
ActiveSupport::TaggedLogging::Formatter

class CustomLogstash
  def call(data)
    { time: Time.now, controller: data[:controller] } # this can be anything as long it is Hash, eg. data.merge(time: Time.now)

  end
end

{:time=>"2021-11-18T20:31:41.486+01:00", :controller=>"calendar_events"}