Class: Ufo::Docker::Dockerfile
- Inherits:
-
Object
- Object
- Ufo::Docker::Dockerfile
- Defined in:
- lib/ufo/docker/dockerfile.rb
Instance Method Summary collapse
- #current_dockerfile ⇒ Object
- #dockerfile_path ⇒ Object
-
#initialize(full_image_name, options = {}) ⇒ Dockerfile
constructor
A new instance of Dockerfile.
- #new_dockerfile ⇒ Object
- #update ⇒ Object
- #write_new_dockerfile ⇒ Object
Constructor Details
#initialize(full_image_name, options = {}) ⇒ Dockerfile
Returns a new instance of Dockerfile.
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# File 'lib/ufo/docker/dockerfile.rb', line 3 def initialize(full_image_name, ={}) @full_image_name, @options = full_image_name, end |
Instance Method Details
#current_dockerfile ⇒ Object
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# File 'lib/ufo/docker/dockerfile.rb', line 11 def current_dockerfile @current_dockerfile ||= IO.read(dockerfile_path) end |
#dockerfile_path ⇒ Object
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# File 'lib/ufo/docker/dockerfile.rb', line 15 def dockerfile_path "#{Ufo.root}/Dockerfile" end |
#new_dockerfile ⇒ Object
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# 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 ⇒ Object
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# File 'lib/ufo/docker/dockerfile.rb', line 7 def update write_new_dockerfile end |
#write_new_dockerfile ⇒ Object
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# 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 |