Calculate resque jobs duration in seconds examining workers' logs

calculate_jobs_time.rb

#!/usr/bin/env ruby
 
require 'time'
 
if not ARGV[0]
  puts "Usage: ./calculate_jobs_time.rb <log_file>"
  exit 1
end
 
init_job_lines = {} 
times = {}
File.open(ARGV[0], "r").each_line do |line|
  if line.include? "got:"
    parts = line.split("got:")
    message = parts[1]
    init_time = parts[0].split()[1][1..-1]
    init_job_lines[message] = init_time
  elsif line.include? "done:"
    parts = line.split("done:")
    message = parts[1]
    end_time = parts[0].split()[1][1..-1]
 
    times[message] = (Time.parse(end_time) - Time.parse(init_job_lines[message])).to_i if init_job_lines[message]
  end
end
 
level = 10 # seconds
puts times.values.select{|t| t > level}.sort{|x,y| y <=> x }.join(" ")