127 lines
3.2 KiB
Ruby
Executable File
127 lines
3.2 KiB
Ruby
Executable File
#!/usr/bin/env ruby
|
|
#
|
|
# Copyright (C) 2017 - present Instructure, Inc.
|
|
#
|
|
# This file is part of Canvas.
|
|
#
|
|
# Canvas is free software: you can redistribute it and/or modify it under
|
|
# the terms of the GNU Affero General Public License as published by the Free
|
|
# Software Foundation, version 3 of the License.
|
|
#
|
|
# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
|
|
# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
|
|
# details.
|
|
#
|
|
# You should have received a copy of the GNU Affero General Public License along
|
|
# with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
require "erubi"
|
|
require "json"
|
|
require "optparse"
|
|
require_relative "./docker_utils"
|
|
|
|
class DockerfileWriter
|
|
attr_reader :env, :compose_files, :in_file, :out_file, :out_file_suffix
|
|
|
|
def initialize(env:, compose_files:, in_file:, out_file:)
|
|
@env = env
|
|
@compose_files = compose_files
|
|
@in_file = in_file
|
|
@out_file = out_file
|
|
@out_file_suffix = ''
|
|
end
|
|
|
|
def production?
|
|
env == "production"
|
|
end
|
|
|
|
def development?
|
|
env == "development"
|
|
end
|
|
|
|
def jenkins?
|
|
env == "jenkins"
|
|
end
|
|
|
|
def generation_message
|
|
<<~STR
|
|
# GENERATED FILE, DO NOT MODIFY!
|
|
# To update this file please edit the relevant template and run the generation
|
|
# task `build/dockerfile_writer.rb --env #{env} --compose-file #{compose_files.join(',')} --in #{in_file} --out #{out_file}`
|
|
STR
|
|
end
|
|
|
|
def set_file_suffix(suffix)
|
|
@out_file_suffix = suffix
|
|
end
|
|
|
|
class SuffixedStringWriter
|
|
attr_reader :parent, :contents
|
|
|
|
def initialize(parent)
|
|
@contents = {}
|
|
@parent = parent
|
|
end
|
|
|
|
def <<(obj)
|
|
if @contents[parent.out_file_suffix].nil?
|
|
@contents[parent.out_file_suffix] = String.new
|
|
end
|
|
|
|
@contents[parent.out_file_suffix] << obj
|
|
end
|
|
end
|
|
|
|
def run
|
|
contents = eval(Erubi::Engine.new(File.read(in_file), {:bufval => 'SuffixedStringWriter.new(self)'}).src + ";_buf.contents")
|
|
|
|
contents.each do |k, v|
|
|
File.open(k.empty? ? out_file : "#{out_file}.#{k}", "w") do |f|
|
|
f.write "#{v.strip!}\n"
|
|
end
|
|
end
|
|
end
|
|
|
|
def docker_compose_volume_paths
|
|
paths = (docker_compose_config["services"]["web"]["volumes"] || []).map do |volume|
|
|
name, path = volume.split(":")
|
|
next unless name =~ /\A[a-z]/
|
|
path.sub("/usr/src/app/", "")
|
|
end.compact
|
|
paths.sort_by { |path| [path[0] == "/" ? 1 : 0, path]}
|
|
end
|
|
|
|
def docker_compose_config
|
|
DockerUtils.compose_config(*compose_files)
|
|
end
|
|
|
|
def yarn_packages
|
|
JSON.load(File.open('package.json'))['workspaces']['packages']
|
|
end
|
|
end
|
|
|
|
options = {}
|
|
|
|
OptionParser.new do |opts|
|
|
opts.banner = "Usage: dockerfile_writer.rb [options]"
|
|
|
|
opts.on("--env [ENVIRONMENT]", String, "Dockerfile Environment") do |v|
|
|
options[:env] = v
|
|
end
|
|
|
|
opts.on("--compose-file x,y,z", Array, "List of compose files") do |v|
|
|
options[:compose_files] = v
|
|
end
|
|
|
|
opts.on("--in [FILENAME]", String, "Input Template File") do |v|
|
|
options[:in_file] = v
|
|
end
|
|
|
|
opts.on("--out [FILENAME]", String, "Output File") do |v|
|
|
options[:out_file] = v
|
|
end
|
|
end.parse!
|
|
|
|
DockerfileWriter.new(**options).run()
|