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