Class: Indocker::Images::ImageCompiler

Inherits:
Object
  • Object
show all
Defined in:
lib/indocker/images/image_compiler.rb

Constant Summary collapse

BUILDS_DIR = 
'image_build'.freeze
DOCKERIGNORE = 
<<~EOS
  Dockerfile
  .DS_Store
  **/.DS_Store
  **/*.log
  **/*_spec.rb
  node_modules
  .vagrant
  .vscode
  tmp
  logs
EOS

Instance Method Summary collapse

Constructor Details

#initialize ⇒ ImageCompiler

Returns a new instance of ImageCompiler.



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# File 'lib/indocker/images/image_compiler.rb', line 18

def initialize
  @compiled_images = Hash.new(false)
end

Instance Method Details

#compile(build_context, image, skip_dependent) ⇒ Object 



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# File 'lib/indocker/images/image_compiler.rb', line 22

def compile(build_context, image, skip_dependent)
  if !skip_dependent
    image.dependent_images.each do |dependent_image|
      compile_image(build_context, dependent_image)
    end
  end

  compile_image(build_context, image)
end

#compile_image(build_context, image) ⇒ Object 



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# File 'lib/indocker/images/image_compiler.rb', line 32

def compile_image(build_context, image)
  return if @compiled_images[image]

  compile_dir = File.join(build_context.configuration.build_dir, BUILDS_DIR, image.name.to_s)
  FileUtils.rm_rf(compile_dir)
  FileUtils.mkdir_p(compile_dir)

  if image.build_context
    templates_compiler = Indocker::Images::TemplatesCompiler.new

    templates_compiler.compile(
      image: image,
      compile_dir: compile_dir,
      context: build_context
    )
  end

  compiler = Indocker::Images::TemplateCompiler.new

  target_dockerfile = File.join(compile_dir, 'Dockerfile')
  FileUtils.cp(image.dockerfile, target_dockerfile)
  compiler.compile(target_dockerfile, build_context, image)

  File
    .join(compile_dir, '.dockerignore')
    .tap { |_| File.write(_, Indocker.dockerignore.join("\n")) }

  if image.before_build
    image.before_build.call(build_context, compile_dir)
  end

  build_context.build_image(image, compile_dir)

  @compiled_images[image] = true
end