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