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#!/usr/bin/env ruby
# encoding: utf-8
if ARGV.length == 0 then
puts "Usage: costvm CORES MEMORY DISKS [windows]"
exit
end
CORES = ARGV.shift.chomp.to_i
MEM = ARGV.shift.chomp.to_i
DISKS = ARGV.shift.chomp.split(',')
WINDOWS = !ARGV.shift.nil?
if CORES > 16 then
puts "Invalid machine. Too many cores: #{CORES}."
exit 1
end
if MEM > 180 then
puts "Invalid machine. Too much memory: #{MEM} GiB."
exit 1
end
if DISKS.length > 8 then
puts "Invalid machine. Too many disks: #{DISKS.length}."
exit 1
end
memmin = (CORES - 1) * 4
def max(a,b)
if a > b then
return a
else
return b
end
end
cost = max(memmin, MEM) * 10
firstdisk = true
DISKS.each do |disk|
grade, size = disk.split(':')
if size.nil? then
size = grade
grade = 'sata'
end
size = size.to_i
case grade
when 'sata'
if firstdisk then
cost += (max((size - 25), 0)/10.0).ceil * 2
firstdisk = false
else
cost += (size/10.0).ceil * 2
end
when 'sas'
cost += (size/5.0).ceil * 2
when 'ssd'
cost += (size/0.5).ceil * 2
when 'archive'
cost += (size/100.0).ceil * 2
end
end
cost += MEM if WINDOWS
puts "Machine cost: £#{cost}.00"
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