class Ufo::Docker::Dockerfile

Public Class Methods

new(full_image_name, options={}) click to toggle source
# File lib/ufo/docker/dockerfile.rb, line 3
def initialize(full_image_name, options={})
  @full_image_name, @options = full_image_name, options
end

Public Instance Methods

current_dockerfile() click to toggle source
# File lib/ufo/docker/dockerfile.rb, line 11
def current_dockerfile
  @current_dockerfile ||= IO.read(dockerfile_path)
end
dockerfile_path() click to toggle source
# File lib/ufo/docker/dockerfile.rb, line 15
def dockerfile_path
  "#{Ufo.root}/Dockerfile"
end
new_dockerfile() click to toggle source
# File lib/ufo/docker/dockerfile.rb, line 19
def new_dockerfile
  lines = current_dockerfile.split("\n")
  # replace FROM line
  new_lines = lines.map do |line|
                if line =~ /^FROM /
                  "FROM #{@full_image_name}"
                else
                  line
                end
              end
  new_lines.join("\n") + "\n"
end
update() click to toggle source
# File lib/ufo/docker/dockerfile.rb, line 7
def update
  write_new_dockerfile
end
write_new_dockerfile() click to toggle source
# File lib/ufo/docker/dockerfile.rb, line 32
def write_new_dockerfile
  IO.write(dockerfile_path, new_dockerfile)
  unless @options[:mute]
    puts "The Dockerfile FROM statement has been updated with the latest base image:".color(:green)
    puts "  #{@full_image_name}".color(:green)
  end
end