Class: Chef::Knife::CookbookShow

Inherits:
Chef::Knife show all
Defined in:
lib/chef/knife/cookbook_show.rb

Constant Summary

Constants inherited from Chef::Knife

CHEF_ORGANIZATION_MANAGEMENT, OFFICIAL_PLUGINS, OPSCODE_HOSTED_CHEF_ACCESS_CONTROL

Instance Attribute Summary

Attributes inherited from Chef::Knife

#name_args, #ui

Instance Method Summary collapse

Methods inherited from Chef::Knife

#api_key, #apply_computed_config, category, chef_config_dir, #cli_keys, common_name, #config_file_settings, config_loader, #config_source, #configure_chef, #create_object, #delete_object, dependency_loaders, deps, #format_rest_error, guess_category, #humanize_exception, #humanize_http_exception, inherited, #initialize, list_commands, load_commands, load_config, load_deps, #maybe_setup_fips, #merge_configs, msg, #noauth_rest, #parse_options, reset_config_loader!, reset_subcommands!, #rest, run, #run_with_pretty_exceptions, #server_url, #show_usage, snake_case_name, subcommand_category, subcommand_class_from, subcommand_files, subcommand_loader, subcommands, subcommands_by_category, #test_mandatory_field, ui, unnamed?, use_separate_defaults?, #username

Methods included from Mixin::ConvertToClassName

#constantize, #convert_to_class_name, #convert_to_snake_case, #filename_to_qualified_string, #normalize_snake_case_name, #snake_case_basename

Constructor Details

This class inherits a constructor from Chef::Knife

Instance Method Details

#run ⇒ Object 



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# File 'lib/chef/knife/cookbook_show.rb', line 53

def run
  cookbook_name, cookbook_version, segment, filename = @name_args

  cookbook = Chef::CookbookVersion.load(cookbook_name, cookbook_version) unless cookbook_version.nil?

  case @name_args.length
  when 4 # We are showing a specific file
    node = {}
    node[:fqdn] = config[:fqdn] if config.key?(:fqdn)
    node[:platform] = config[:platform] if config.key?(:platform)
    node[:platform_version] = config[:platform_version] if config.key?(:platform_version)

    class << node
      def attribute?(name) # rubocop:disable Lint/NestedMethodDefinition
        key?(name)
      end
    end

    manifest_entry = cookbook.preferred_manifest_record(node, segment, filename)
    temp_file = rest.streaming_request(manifest_entry[:url])

    # the temp file is cleaned up elsewhere
    temp_file.open if temp_file.closed?
    pretty_print(temp_file.read)

  when 3 # We are showing a specific part of the cookbook
    if segment == "metadata"
      output(cookbook.metadata)
    else
      output(cookbook.files_for(segment))
    end
  when 2 # We are showing the whole cookbook
    output(cookbook.display)
  when 1 # We are showing the cookbook versions (all of them)
    env           = config[:environment]
    api_endpoint  = env ? "environments/#{env}/cookbooks/#{cookbook_name}" : "cookbooks/#{cookbook_name}"
    output(format_cookbook_list_for_display(rest.get(api_endpoint)))
  when 0
    show_usage
    ui.fatal("You must specify a cookbook name")
    exit 1
  end
end