Initial commit

.github/workflows/rubocop.yml

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+name: Tests and Rubocop
+
+on:
+  pull_request:
+  push:
+    branches: [ main ]
+  workflow_dispatch:
+
+jobs:
+  rake:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v3
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '3.0'
+          bundler-cache: true
+      - run: bundle exec rake

.gitignore

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+*.gem
+/.vagrant/

.rubocop.yml

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+require: rubocop-rake
+
+AllCops:
+  NewCops: enable
+  TargetRubyVersion: 2.7
+
+Style/StringLiterals:
+  Enabled: true
+  EnforcedStyle: double_quotes
+
+Style/StringLiteralsInInterpolation:
+  Enabled: true
+  EnforcedStyle: double_quotes
+
+Style/FormatStringToken:
+  Enabled: false
+
+Layout/LineLength:
+  Max: 120
+
+Metrics/AbcSize:
+  Max: 24
+
+Metrics/MethodLength:
+  Max: 25
+
+Gemspec/RequireMFA:
+  Enabled: false
+
+Style/ClassVars:
+  Enabled: false

Gemfile

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+# frozen_string_literal: true
+
+source "https://rubygems.org"
+gemspec

Gemfile.lock

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+PATH
+  remote: .
+  specs:
+    koch (0.1.5)
+      diffy (~> 3.4)
+      logger (~> 1.5)
+      thor (~> 1.2)
+      zeitwerk (~> 2.6)
+      zlib (~> 1.1)
+
+GEM
+  remote: https://rubygems.org/
+  specs:
+    ast (2.4.2)
+    coderay (1.1.3)
+    diffy (3.4.2)
+    ffi (1.15.5)
+    formatador (1.1.0)
+    guard (2.18.0)
+      formatador (>= 0.2.4)
+      listen (>= 2.7, < 4.0)
+      lumberjack (>= 1.0.12, < 2.0)
+      nenv (~> 0.1)
+      notiffany (~> 0.0)
+      pry (>= 0.13.0)
+      shellany (~> 0.0)
+      thor (>= 0.18.1)
+    guard-compat (1.2.1)
+    guard-minitest (2.4.6)
+      guard-compat (~> 1.2)
+      minitest (>= 3.0)
+    json (2.6.3)
+    listen (3.8.0)
+      rb-fsevent (~> 0.10, >= 0.10.3)
+      rb-inotify (~> 0.9, >= 0.9.10)
+    logger (1.5.3)
+    lumberjack (1.2.8)
+    method_source (1.0.0)
+    minitest (5.18.0)
+    nenv (0.3.0)
+    notiffany (0.1.3)
+      nenv (~> 0.1)
+      shellany (~> 0.0)
+    parallel (1.22.1)
+    parser (3.2.1.1)
+      ast (~> 2.4.1)
+    pry (0.14.2)
+      coderay (~> 1.1)
+      method_source (~> 1.0)
+    rainbow (3.1.1)
+    rake (13.0.6)
+    rb-fsevent (0.11.2)
+    rb-inotify (0.10.1)
+      ffi (~> 1.0)
+    regexp_parser (2.7.0)
+    rexml (3.2.5)
+    rubocop (1.48.1)
+      json (~> 2.3)
+      parallel (~> 1.10)
+      parser (>= 3.2.0.0)
+      rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 1.8, < 3.0)
+      rexml (>= 3.2.5, < 4.0)
+      rubocop-ast (>= 1.26.0, < 2.0)
+      ruby-progressbar (~> 1.7)
+      unicode-display_width (>= 2.4.0, < 3.0)
+    rubocop-ast (1.27.0)
+      parser (>= 3.2.1.0)
+    rubocop-rake (0.6.0)
+      rubocop (~> 1.0)
+    ruby-progressbar (1.13.0)
+    shellany (0.0.1)
+    thor (1.2.1)
+    unicode-display_width (2.4.2)
+    zeitwerk (2.6.7)
+    zlib (1.1.0)
+
+PLATFORMS
+  x86_64-linux
+
+DEPENDENCIES
+  guard (~> 2.18)
+  guard-minitest (~> 2.4)
+  koch!
+  rake (~> 13.0)
+  rubocop (~> 1.48)
+  rubocop-rake (~> 0.6)
+
+BUNDLED WITH
+   2.4.8

Guardfile

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+# frozen_string_literal: true
+
+guard :minitest do
+  watch(%r{^test/(.*)?_test\.rb$})
+  watch(%r{^lib/(.*/)?([^/]+)\.rb$})     { |m| "test/#{m[2]}_test.rb" }
+  watch(%r{^test/test_helper\.rb$})      { "test" }
+  watch(%r{^bin/koch$})                  { "test" }
+end

LICENSE

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+Copyright 2023 Marius Nünnerich
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.

README.md

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+# Koch
+
+Koch is a tool to install software packages, change files and other things
+on a single machine. The changes are described in a file and are written in Ruby.
+
+The file describing a machine should be versioned, that way you create a repeatable
+description of how a machine is set up, with history.
+
+For an example of how this can look like, check out this [Rezeptfile](example/Rezeptfile)
+and the other files in the directory.
+
+## Notice
+
+THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
+
+Fully **backup** any machine you run this on! This is alpha grade software and
+might cause havoc, esp when run with root privileges!
+I suggest you use Vagrant to try this out.
+
+## Status
+
+![Tests and Rubocop](https://github.com/marius/koch/actions/workflows/rubocop.yml/badge.svg)
+
+## Philosophy
+
+Koch's configuration files (Rezeptfiles) are just Ruby. All Koch does is provide
+a bunch of convenience functions. Feel free to use all the Ruby you want.
+
+## Usage
+
+```
+sudo apt -y install git
+sudo gem install koch
+git clone git@github.com:example/machine.git
+cd machine
+sudo koch
+```
+
+## Supported platforms
+
+  - Ubuntu 22.04 (amd64)
+  - Debian 11 (amd64)
+  - End of list
+
+## TODO
+
+  - [ ] Interactive mode, ask about each change
+  - [ ] publish to rubygems

Rakefile

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+# frozen_string_literal: true
+
+require "bundler/gem_tasks"
+require "rake/testtask"
+
+Rake::TestTask.new(:test) do |t|
+  t.libs << "test"
+  t.libs << "lib"
+  t.test_files = FileList["test/**/*_test.rb"]
+end
+
+require "rubocop/rake_task"
+
+RuboCop::RakeTask.new
+
+task default: %i[test rubocop]

Vagrantfile

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+# frozen_string_literal: true
+
+# -*- mode: ruby -*-
+# vi: set ft=ruby :
+
+# All Vagrant configuration is done below. The "2" in Vagrant.configure
+# configures the configuration version (we support older styles for
+# backwards compatibility). Please don't change it unless you know what
+# you're doing.
+Vagrant.configure("2") do |config|
+  # The most common configuration options are documented and commented below.
+  # For a complete reference, please see the online documentation at
+  # https://docs.vagrantup.com.
+
+  # Every Vagrant development environment requires a box. You can search for
+  # boxes at https://vagrantcloud.com/search.
+  # config.vm.box = "generic/ubuntu2204"
+
+  # Disable automatic box update checking. If you disable this, then
+  # boxes will only be checked for updates when the user runs
+  # `vagrant box outdated`. This is not recommended.
+  # config.vm.box_check_update = false
+
+  # Create a forwarded port mapping which allows access to a specific port
+  # within the machine from a port on the host machine. In the example below,
+  # accessing "localhost:8080" will access port 80 on the guest machine.
+  # NOTE: This will enable public access to the opened port
+  # config.vm.network "forwarded_port", guest: 80, host: 8080
+
+  # Create a forwarded port mapping which allows access to a specific port
+  # within the machine from a port on the host machine and only allow access
+  # via 127.0.0.1 to disable public access
+  # config.vm.network "forwarded_port", guest: 80, host: 8080, host_ip: "127.0.0.1"
+
+  # Create a private network, which allows host-only access to the machine
+  # using a specific IP.
+  # config.vm.network "private_network", ip: "192.168.33.10"
+
+  # Create a public network, which generally matched to bridged network.
+  # Bridged networks make the machine appear as another physical device on
+  # your network.
+  # config.vm.network "public_network"
+
+  # Share an additional folder to the guest VM. The first argument is
+  # the path on the host to the actual folder. The second argument is
+  # the path on the guest to mount the folder. And the optional third
+  # argument is a set of non-required options.
+  config.vm.synced_folder ".", "/vagrant", nfs_version: 4, nfs_udp: false
+
+  # Provider-specific configuration so you can fine-tune various
+  # backing providers for Vagrant. These expose provider-specific options.
+  # Example for VirtualBox:
+  #
+  # config.vm.provider "virtualbox" do |vb|
+  #   # Display the VirtualBox GUI when booting the machine
+  #   vb.gui = true
+  #
+  #   # Customize the amount of memory on the VM:
+  #   vb.memory = "1024"
+  # end
+  #
+  # View the documentation for the provider you are using for more
+  # information on available options.
+
+  # Enable provisioning with a shell script. Additional provisioners such as
+  # Ansible, Chef, Docker, Puppet and Salt are also available. Please see the
+  # documentation for more information about their specific syntax and use.
+  require_relative "lib/koch/version"
+  config.vm.provision "shell", inline: <<-SHELL
+    export DEBIAN_FRONTEND=noninteractive
+    apt update
+    apt install -y build-essential zlib1g-dev ruby-dev
+    gem install --no-document /vagrant/koch-#{Koch::VERSION}.gem
+    printf -- "---\\nrestic:\\n  password: test123\\n" >/etc/secrets.yaml
+  SHELL
+
+  config.vm.define "ubuntu", primary: true do |ubuntu|
+    ubuntu.vm.box = "generic/ubuntu2204"
+  end
+
+  config.vm.define "debian" do |debian|
+    debian.vm.box = "debian/bullseye64"
+  end
+end

bin/koch

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+#!/usr/bin/env ruby
+# frozen_string_literal: true
+
+require "thor"
+require_relative "../lib/koch"
+
+# KochCLI is the glue between the commandline and the actual Koch implementation
+class KochCLI < Thor
+  class_option :verbose, type: :boolean, aliases: "-v"
+  class_option :"dry-run", type: :boolean, aliases: "-d", default: true
+
+  desc "apply", "Apply a Rezeptfile to the local machine"
+  option :rezeptfile, aliases: "-f", default: "Rezeptfile"
+  def apply
+    logger.level = if options[:verbose]
+                     Logger::DEBUG
+                   else
+                     Logger::INFO
+                   end
+    @@dry_run = options[:"dry-run"]
+    r = Koch::Runner.new options[:rezeptfile]
+    r.go
+  end
+  default_task :apply
+end
+
+KochCLI.start(ARGV)