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, 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

#find_script(x) ⇒ Object 



73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
 
# File 'lib/chef/knife/exec.rb', line 73

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



42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
 
# File 'lib/chef/knife/exec.rb', line 42

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
  Chef::Util::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