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https://github.com/inspec/inspec
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02cb93ec23
* Refactor 'inspec init profile' into a reusable component. base_cli.rb had several methods used internally, these are exposed so lib/bundles/inspec-init/profile.rb can act as a library for anything that needs to create new Inspec profiles programatically * Move output methods to be public instance methods; and make Init::Profile into a working renderer. Functional tests pass but could use some refactoring to be easier to use. * Refactor, renaming vars to be clearer * Move puts and exit calls into basecli * Add comment about simplified ERB rendering in ruby 2.5.0+ Signed-off-by: Clinton Wolfe <clintoncwolfe@gmail.com>
79 lines
3 KiB
Ruby
79 lines
3 KiB
Ruby
require 'fileutils'
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require 'erb'
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module Init
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class Renderer
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# Creates a renderer able to render the given template type
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# 1. iterate over all files
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# 2. read content in erb
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# 3. write to full_destination_root_path
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attr_reader :overwrite_mode, :ui
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def initialize(cli_ui, cli_options = {})
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@ui = cli_ui
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@overwrite_mode = cli_options['overwrite']
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end
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# rubocop: disable Metrics/AbcSize
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def render_with_values(template_type, template_values = {})
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# look for template directory
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base_dir = File.join(File.dirname(__FILE__), 'templates', template_type)
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# prepare glob for all subdirectories and files
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template_glob = File.join(base_dir, '**', '{*,.*}')
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# Use the name attribute to define the path to the profile.
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profile_path = template_values[:name]
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# Use slashes (\, /) to split up the name into an Array then use the last entry
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# to reset the name of the profile.
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template_values[:name] = template_values[:name].split(%r{\\|\/}).last
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# Generate the full full_destination_root_path path on disk
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full_destination_root_path = Pathname.new(Dir.pwd).join(profile_path)
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ui.plain_text "Create new #{template_type} at #{ui.mark_text(full_destination_root_path)}"
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# check that the directory does not exist
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if File.exist?(full_destination_root_path) && !overwrite_mode
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ui.plain_text "#{ui.mark_text(full_destination_root_path)} exists already, use --overwrite"
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ui.exit(1)
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end
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# ensure that full_destination_root_path directory is available
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FileUtils.mkdir_p(full_destination_root_path)
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# iterate over files and write to full_destination_root_path
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Dir.glob(template_glob) do |file|
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relative_destination_item_path = Pathname.new(file).relative_path_from(Pathname.new(base_dir))
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full_destination_item_path = Pathname.new(full_destination_root_path).join(relative_destination_item_path)
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if File.directory?(file)
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ui.li "Create directory #{ui.mark_text(relative_destination_item_path)}"
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FileUtils.mkdir_p(full_destination_item_path)
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elsif File.file?(file)
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ui.li "Create file #{ui.mark_text(relative_destination_item_path)}"
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# read & render content
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content = render(File.read(file), template_values)
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# write file content
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File.write(full_destination_item_path, content)
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else
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ui.plain_text "Ignore #{file}, because its not an file or directoy"
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end
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end
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end
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# rubocop: enable Metrics/AbcSize
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# This is a render helper to bind hash values to a ERB template
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# ERB provides result_with_hash in ruby 2.5.0+, which does exactly this
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def render(template_content, hash)
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# create a new binding class
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cls = Class.new do
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hash.each do |key, value|
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define_method key.to_sym do
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value
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end
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end
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# expose binding
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define_method :bind do
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binding
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end
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end
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ERB.new(template_content).result(cls.new.bind)
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end
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end
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end
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