Class: Kdep::Commands::Migrate

Inherits:
Object
  • Object
show all
Defined in:
lib/kdep/commands/migrate.rb

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(global_options:, command_options:, args:) ⇒ Migrate

Returns a new instance of Migrate.



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# File 'lib/kdep/commands/migrate.rb', line 17

def initialize(global_options:, command_options:, args:)
  @global_options = global_options
  @command_options = command_options
  @args = args
  @ui = Kdep::UI.new
end

Class Method Details

.option_parser ⇒ Object 



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# File 'lib/kdep/commands/migrate.rb', line 8

def self.option_parser
  OptionParser.new do |opts|
    opts.banner = "Usage: kdep migrate [path]"
    opts.separator ""
    opts.separator "Converts old deploy files (.app-name + app.yml) to kdep format."
    opts.separator "Verifies byte-for-byte match between old materialized and new rendered output."
  end
end

Instance Method Details

#execute ⇒ Object 



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# File 'lib/kdep/commands/migrate.rb', line 24

def execute
  path = @args[0]
  unless path
    @ui.error("Missing path argument")
    @ui.info("Usage: kdep migrate [path]")
    exit 1
  end

  unless File.directory?(path)
    @ui.error("Path not found: #{path}")
    exit 1
  end

  # Parse old format
  old = Kdep::OldFormat.new(path)
  begin
    name = old.app_name
    kdep_config = old.to_kdep_config
  rescue => e
    @ui.error(e.message)
    exit 1
  end

  # Create kdep/[name]/ directory with app.yml
  target_dir = File.join(Dir.pwd, "kdep", name)
  if File.exist?(target_dir)
    @ui.error("kdep/#{name} already exists")
    exit 1
  end

  FileUtils.mkdir_p(target_dir)
  File.write(File.join(target_dir, "app.yml"), YAML.dump(kdep_config))
  @ui.file_written("kdep/#{name}/app.yml")

  # Warn about secrets
  @ui.warn("Secrets must be manually migrated to kdep/#{name}/secrets.yml")

  # Render via existing pipeline
  config = Kdep::Config.new(target_dir).load
  preset = Kdep::Preset.new(config["preset"], target_dir)
  resources = preset.resources

  output_dir = File.join(Dir.pwd, ".rendered")
  writer = Kdep::Writer.new(output_dir)
  writer.clean
  renderer = Kdep::Renderer.new(config, target_dir)

  rendered_files = []
  resources.each_with_index do |resource_name, idx|
    content = renderer.render_resource(resource_name)
    written_path = writer.write(resource_name, content, idx + 1)
    rendered_files << written_path if written_path
  end

  # Compare byte-for-byte against old materialized files
  old_files = old.materialized_files
  if old_files.empty?
    @ui.warn("No materialized files found to verify against")
    @ui.success("Migration complete: kdep/#{name}/")
    return
  end

  mismatches = compare_files(old_files, rendered_files)

  if mismatches.empty?
    @ui.success("Migration verified: #{rendered_files.length} files match byte-for-byte")
    @ui.success("Migration complete: kdep/#{name}/")
  else
    @ui.error("Migration verification failed: #{mismatches.length} file(s) differ")
    mismatches.each do |m|
      @ui.error("  #{m[:file]}:")
      m[:diff].each { |line| @ui.info("    #{line}") }
    end
    # Clean up failed migration
    FileUtils.rm_rf(target_dir)
    @ui.error("Migration aborted. Generated config removed.")
    exit 1
  end
end