Class: Chef::Knife::Exec

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

Constant Summary

Constants inherited from Chef::Knife

CHEF_ORGANIZATION_MANAGEMENT, KNIFE_ROOT, OFFICIAL_PLUGINS, OPSCODE_HOSTED_CHEF_ACCESS_CONTROL, VERSION

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, common_name, #config_file_defaults, #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, #root_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

Constructor Details

This class inherits a constructor from Chef::Knife

Instance Method Details

#find_script(x) ⇒ Object 



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# File 'lib/chef/knife/exec.rb', line 76

def find_script(x)
  # Try to find a script. First try expanding the path given.
  script = File.expand_path(x)
  return script if File.exist?(script)

  # Failing that, try searching the script path. If we can't find
  # anything, fail gracefully.
  Chef::Log.trace("Searching script_path: #{config[:script_path].inspect}")

  config[:script_path].each do |path|
    path = File.expand_path(path)
    test = File.join(path, x)
    Chef::Log.trace("Testing: #{test}")
    if File.exist?(test)
      script = test
      Chef::Log.trace("Found: #{test}")
      return script
    end
  end
  ui.error("\"#{x}\" not found in current directory or script_path, giving up.")
  exit(1)
end

#run ⇒ Object 



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# File 'lib/chef/knife/exec.rb', line 45

def run
  config[:script_path] = Array(config[:script_path] || Chef::Config[:script_path])

  # Default script paths are chef-repo/.chef/scripts and ~/.chef/scripts
  config[:script_path] << File.join(Chef::Knife.chef_config_dir, "scripts") if Chef::Knife.chef_config_dir
  ChefConfig::PathHelper.home(".chef", "scripts") { |p| config[:script_path] << p }

  scripts = Array(name_args)
  context = Object.new
  Shell::Extensions.extend_context_object(context)
  if config[:exec]
    context.instance_eval(config[:exec], "-E Argument", 0)
  elsif !scripts.empty?
    scripts.each do |script|
      file = find_script(script)
      context.instance_eval(IO.read(file), file, 0)
    end
  else
    puts "An interactive shell is opened"
    puts
    puts "Type your script and do:"
    puts
    puts "1. To run the script, use 'Ctrl D'"
    puts "2. To exit, use 'Ctrl/Shift C'"
    puts
    puts "Type here a script..."
    script = STDIN.read
    context.instance_eval(script, "STDIN", 0)
  end
end