Sha256: 8104f42947693f9f507ae91d568924716d28770f14167ba4371c5e4782bdd575
Contents?: true
Size: 1.03 KB
Versions: 12
Compression:
Stored size: 1.03 KB
Contents
module Ufo
class DockerfileUpdater
def initialize(full_image_name, options={})
@full_image_name = full_image_name
@options = options
@project_root = options[:project_root] || '.'
end
def update
write_new_dockerfile
end
def current_dockerfile
@current_dockerfile ||= IO.read(dockerfile_path)
end
def dockerfile_path
"#{@project_root}/Dockerfile"
end
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
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:".green
puts " #{@full_image_name}".green
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems