C///

\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// # # Author:: Adam Jacob () # Author:: Christopher Brown () # Author:: Daniel DeLeo () # Copyright:: Copyright (c) Chef Software Inc. # License:: Apache License, Version 2.0 # # 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. # require "forwardable" unless defined?(Forwardable) require_relative "../../platform/query_helpers" require_relative "generic_presenter" require "tempfile" unless defined?(Tempfile) class Chef class Knife # The User Interaction class used by knife. class UI extend Forwardable attr_reader :stdout attr_reader :stderr attr_reader :stdin attr_reader :config attr_reader :presenter def_delegator :@presenter, :format_list_for_display def_delegator :@presenter, :format_for_display def_delegator :@presenter, :format_cookbook_list_for_display def initialize(stdout, stderr, stdin, config) @stdout, @stderr, @stdin, @config = stdout, stderr, stdin, config @presenter = Chef::Knife::Core::GenericPresenter.new(self, config) end # Creates a new +presenter_class+ object and uses it to format structured # data for display. By default, a Chef::Knife::Core::GenericPresenter # object is used. def use_presenter(presenter_class) @presenter = presenter_class.new(self, config) end def highline @highline ||= begin require "highline" HighLine.new end end # Creates a new object of class TTY::Prompt # with interrupt as exit so that it can be terminated with status code. def prompt @prompt ||= TTY::Prompt.new(interrupt: :exit) end # pastel.decorate is a lightweight replacement for highline.color def pastel @pastel ||= begin require "pastel" Pastel.new end end # Prints a message to stdout. Aliased as +info+ for compatibility with # the logger API. # # @param message [String] the text string def msg(message) stdout.puts message rescue Errno::EPIPE => e raise e if @config[:verbosity] >= 2 exit 0 end # Prints a msg to stderr. Used for info, warn, error, and fatal. # # @param message [String] the text string def log(message) lines = message.split("\n") first_line = lines.shift stderr.puts first_line # If the message is multiple lines, # indent subsequent lines to align with the # log type prefix ("ERROR: ", etc) unless lines.empty? prefix, = first_line.split(":", 2) return if prefix.nil? prefix_len = prefix.length prefix_len -= 9 if color? # prefix includes 9 bytes of color escape sequences prefix_len += 2 # include room to align to the ": " following PREFIX padding = " " * prefix_len lines.each do |line| stderr.puts "#{padding}#{line}" end end rescue Errno::EPIPE => e raise e if @config[:verbosity] >= 2 exit 0 end alias :info :log alias :err :log # Print a Debug # # @param message [String] the text string def debug(message) log("#{color("DEBUG:", :blue, :bold)} #{message}") end # Print a warning message # # @param message [String] the text string def warn(message) log("#{color("WARNING:", :yellow, :bold)} #{message}") end # Print an error message # # @param message [String] the text string def error(message) log("#{color("ERROR:", :red, :bold)} #{message}") end # Print a message describing a fatal error. # # @param message [String] the text string def fatal(message) log("#{color("FATAL:", :red, :bold)} #{message}") end # Print a message describing a fatal error and exit 1 # # @param message [String] the text string def fatal!(message) fatal(message) exit 1 end def color(string, *colors) if color? pastel.decorate(string, *colors) else string end end # Should colored output be used? For output to a terminal, this is # determined by the value of `config[:color]`. When output is not to a # terminal, colored output is never used def color? Chef::Config[:color] && stdout.tty? end def ask(*args, **options, &block) prompt.ask(*args, **options, &block) end def list(*args) highline.list(*args) end # Formats +data+ using the configured presenter and outputs the result # via +msg+. Formatting can be customized by configuring a different # presenter. See +use_presenter+ def output(data) msg @presenter.format(data) end # Determines if the output format is a data interchange format, i.e., # JSON or YAML def interchange? @presenter.interchange? end def ask_question(question, opts = {}) question += "[#{opts[:default]}] " if opts[:default] if opts[:default] && config[:defaults] opts[:default] else stdout.print question a = stdin.readline.strip if opts[:default] a.empty? ? opts[:default] : a else a end end end def pretty_print(data) stdout.puts data rescue Errno::EPIPE => e raise e if @config[:verbosity] >= 2 exit 0 end # Hash -> Hash # Works the same as edit_data but # returns a hash rather than a JSON string/Fully inflated object def edit_hash(hash) raw = edit_data(hash, false) Chef::JSONCompat.parse(raw) end def edit_data(data, parse_output = true, object_class: nil) output = Chef::JSONCompat.to_json_pretty(data) unless config[:disable_editing] Tempfile.open([ "knife-edit-", ".json" ]) do |tf| tf.sync = true tf.puts output tf.close raise "Please set EDITOR environment variable. See https://docs.chef.io/knife_setup/ for details." unless system("#{config[:editor]} #{tf.path}") output = IO.read(tf.path) end end if parse_output if object_class.nil? raise ArgumentError, "Please pass in the object class to hydrate or use #edit_hash" else object_class.from_hash(Chef::JSONCompat.parse(output)) end else output end end def edit_object(klass, name) object = klass.load(name) output = edit_data(object, object_class: klass) # Only make the save if the user changed the object. # # Output JSON for the original (object) and edited (output), then parse # them without reconstituting the objects into real classes # (create_additions=false). Then, compare the resulting simple objects, # which will be Array/Hash/String/etc. # # We wouldn't have to do these shenanigans if all the editable objects # implemented to_hash, or if to_json against a hash returned a string # with stable key order. object_parsed_again = Chef::JSONCompat.parse(Chef::JSONCompat.to_json(object)) output_parsed_again = Chef::JSONCompat.parse(Chef::JSONCompat.to_json(output)) if object_parsed_again != output_parsed_again output.save msg("Saved #{output}") else msg("Object unchanged, not saving") end output(format_for_display(object)) if config[:print_after] end def confirmation_instructions(default_choice) case default_choice