image/auto_build.rb

   1 # simple build file to be used locally by Sam
   2 #
   3 require 'pty'
   4 require 'optparse'
   5
   6 images = {
   7   base: { name: 'base', tag: "discourse/base:build", squash: true },
   8   discourse_test: { name: 'discourse_test', tag: "discourse/discourse_test:build", squash: false},
   9   discourse_dev: { name: 'discourse_dev', tag: "discourse/discourse_dev:build", squash: false }
  10 }
  11
  12 def run(command)
  13   lines = []
  14   PTY.spawn(command) do |stdin, stdout, pid|
  15     begin
  16       stdin.each do |line|
  17         lines << line
  18         puts line
  19       end
  20     rescue Errno::EIO
  21       # we are done
  22     end
  23   end
  24
  25   lines
  26 end
  27
  28 def build(image)
  29   lines = run("cd #{image[:name]} && docker build . --no-cache --tag #{image[:tag]} #{image[:squash] ? '--squash' : ''}")
  30   raise "Error building the image for #{image[:name]}: #{lines[-1]}" if lines[-1] =~ /successfully built/
  31 end
  32
  33 def dev_deps()
  34   run("sed -e 's/\(db_name: discourse\)/\1_development/' ../templates/postgres.template.yml > discourse_dev/postgres.template.yml")
  35   run("cp ../templates/redis.template.yml discourse_dev/redis.template.yml")
  36 end
  37
  38 image = ARGV[0].intern
  39 raise 'Image not found' unless images.include?(image)
  40
  41 puts "Building #{images[image]}"
  42 dev_deps() if image == :discourse_dev
  43 run "(cd base && ./download_phantomjs)" if image == :base
  44
  45 build(images[image])