Class: Hiera::Backend::Eyaml::Subcommand

Inherits:
Object
  • Object
show all
Defined in:
lib/hiera/backend/eyaml/subcommand.rb

Constant Summary collapse

@@global_options = 
[
 {:name          => :encrypt_method,
    :description => "Override default encryption and decryption method (default is PKCS7)", 
    :short       => 'n', 
    :default     => "pkcs7"},
 {:name          => :version,
    :description => "Show version information"},
 {:name          => :verbose,
    :description => "Be more verbose",
    :short       => 'v'},
 {:name          => :trace,
    :description => "Enable trace debug",
    :short       => 't'},
 {:name          => :quiet,
    :description => "Be less verbose",
    :short       => 'q'},
 {:name          => :help,
    :description => "Information on how to use this command",
    :short       => 'h'}
]

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.global_options ⇒ Object

Returns the value of attribute global_options.



12
13
14
 
# File 'lib/hiera/backend/eyaml/subcommand.rb', line 12

def global_options
  @global_options
end

.helptext ⇒ Object

Returns the value of attribute helptext.



12
13
14
 
# File 'lib/hiera/backend/eyaml/subcommand.rb', line 12

def helptext
  @helptext
end

.options ⇒ Object

Returns the value of attribute options.



12
13
14
 
# File 'lib/hiera/backend/eyaml/subcommand.rb', line 12

def options
  @options
end

Class Method Details

.all_options ⇒ Object 



50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
 
# File 'lib/hiera/backend/eyaml/subcommand.rb', line 50

def self.all_options 
  options = @@global_options.dup
  options += self.options if self.options
  options += Plugins.options
  # merge in defaults from configuration files
  config_file = self.load_config_file
  options.map!{ | opt| 
    key_name = "#{opt[:name]}"
    if config_file.has_key? key_name
      opt[:default] = config_file[key_name]
      opt
    else
      opt
    end
  }
  options
end

.attach_option(opt) ⇒ Object 



68
69
70
 
# File 'lib/hiera/backend/eyaml/subcommand.rb', line 68

def self.attach_option opt
  self.suboptions += opt
end

.description ⇒ Object 



135
136
137
 
# File 'lib/hiera/backend/eyaml/subcommand.rb', line 135

def self.description
  "no description"
end

.execute ⇒ Object

Raises:

  • (StandardError) 


143
144
145
 
# File 'lib/hiera/backend/eyaml/subcommand.rb', line 143

def self.execute
  raise StandardError, "This command is not implemented yet (#{self.to_s.split('::').last})"
end

.find(commandname = "unknown_command") ⇒ Object 



72
73
74
75
76
77
78
79
80
81
82
 
# File 'lib/hiera/backend/eyaml/subcommand.rb', line 72

def self.find commandname = "unknown_command"
  begin
    require "hiera/backend/eyaml/subcommands/#{commandname.downcase}"
  rescue Exception => e
    require "hiera/backend/eyaml/subcommands/unknown_command"
    return Hiera::Backend::Eyaml::Subcommands::UnknownCommand
  end          
  command_module = Module.const_get('Hiera').const_get('Backend').const_get('Eyaml').const_get('Subcommands')
  command_class = Utils.find_closest_class :parent_class => command_module, :class_name => commandname
  command_class || Hiera::Backend::Eyaml::Subcommands::UnknownCommand
end

.hidden? ⇒ Boolean

Returns:

  • (Boolean) 


151
152
153
 
# File 'lib/hiera/backend/eyaml/subcommand.rb', line 151

def self.hidden?
  false
end

.load_config_file ⇒ Object 



36
37
38
39
40
41
42
43
44
45
46
47
48
 
# File 'lib/hiera/backend/eyaml/subcommand.rb', line 36

def self.load_config_file
  config = {}
  [ "/etc/eyaml/config.yaml", "#{ENV['HOME']}/.eyaml/config.yaml", "#{ENV['EYAML_CONFIG']}" ].each do |config_file|
    begin
      yaml_contents = YAML.load_file(config_file)
      Utils::info "Loaded config from #{config_file}"
      config.merge! yaml_contents
    rescue 
      raise StandardError, "Could not open config file \"#{config_file}\" for reading"
    end if config_file and File.file? config_file
  end
  config
end

.parse ⇒ Object 



84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
 
# File 'lib/hiera/backend/eyaml/subcommand.rb', line 84

def self.parse

  me = self

  options = Trollop::options do

    version "Hiera-eyaml version " + Hiera::Backend::Eyaml::VERSION.to_s
    banner ["eyaml #{me.prettyname}: #{me.description}", me.helptext, "Options:"].compact.join("\n\n")

    me.all_options.each do |available_option|

      skeleton = {:description => "",
                  :short => :none}

      skeleton.merge! available_option
      opt skeleton[:name], 
          skeleton[:desc] || skeleton[:description],  #legacy plugins 
          :short => skeleton[:short], 
          :default => skeleton[:default], 
          :type => skeleton[:type]

    end

    stop_on Eyaml.subcommands

  end

  if options[:verbose]
    Hiera::Backend::Eyaml.verbosity_level += 1
  end

  if options[:trace]
    Hiera::Backend::Eyaml.verbosity_level += 2
  end

  if options[:quiet]
    Hiera::Backend::Eyaml.verbosity_level = 0
  end

  if options[:encrypt_method]
    Hiera::Backend::Eyaml.default_encryption_scheme = options[:encrypt_method]
  end

  options

end

.prettyname ⇒ Object 



147
148
149
 
# File 'lib/hiera/backend/eyaml/subcommand.rb', line 147

def self.prettyname
  Utils.snakecase self.to_s.split('::').last
end

.validate(args) ⇒ Object 



131
132
133
 
# File 'lib/hiera/backend/eyaml/subcommand.rb', line 131

def self.validate args
  args
end