build_all.rb

#!/usr/bin/env ruby

require 'optparse'
require 'ostruct'

def parse_options
  result = OpenStruct.new(:hgrev => 'HEAD', :images => Array.new)

  parser = OptionParser.new

  parser.banner = <<BANER
Build all Dockerfiles in the current directory.

Usage:

./build_all <options>

BANER

  parser.on('--hgrev REV', "Revision to use (default: #{result.hgrev})") do |rev|
    result.hgrev = rev
  end

  parser.on('--image Dockerfile-name', "A Dockerfile to be used for build" ) do |name|
    result.images << name
  end

  parser.on('-h', '--help', 'Show this message') do
    puts parser
    exit(1)
  end

  parser.parse!

  result
end

def run_docker(hgrev, files)
  files.each do |dockerfile|
    tag = "restinio-#{File.basename(dockerfile, '.Dockerfile')}"
    log_file = "outputs/#{tag}.#{hgrev}.log"
    cmdline = "docker build -t #{tag} -f #{dockerfile} " +
        " --build-arg hgrev=#{hgrev} . | tee #{log_file} 2>&1"
    r = system(cmdline)
    if not r
      raise "build failed!\ncmdline: #{cmdline}\nexit code: #{$?}"
    end
  end
end

opts = parse_options

if opts.images.empty?
  opts.images = Dir['*.Dockerfile']
end

puts "Dockerfiles to process:\n#{opts.images.join('\n')}\n==="

run_docker(opts.hgrev, opts.images)