Class: Awstool::Settings

Inherits:
Object
  • Object
show all
Defined in:
lib/awstool/settings.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Attribute Details

#options ⇒ Object (readonly)

Returns the value of attribute options.



8
9
10
 
# File 'lib/awstool/settings.rb', line 8

def options
  @options
end

Class Method Details

.get_flags ⇒ Object 



22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
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/awstool/settings.rb', line 22

def self.get_flags
  OptionParser.new do |opts|
    opts.banner = 'Usage: awstool [options] hostname'

    opts.on('-h', '--help', 'Prints this help') do
      puts opts
      exit
    end

    opts.on('-f', '--facts FACT1,FACT2', Array, 'Seed new instance with puppet facts') do |facts|
      facts.each do |fact|
        split_fact = fact.split('=')
        @options['facts'][split_fact.first] = split_fact[1]
      end
    end

    opts.on('-t', '--tags TAG1,TAG2', Array, 'Set EC2 instance tags') do |tags|
      tags.each do |tag|
        split_tag = tag.split('=')
        @options['tags'][split_tag.first] = split_tag[1]
      end
    end

    opts.on('--debug', 'Prints some extra output helpful for debugging') do
      @options['debug'] = true
    end

    opts.on('-s', '--subnet-id-index INDEX', 'Select a subnet-id from you subnet-ids array.') do |index|
      @options['subnet-id-index'] = index.to_i
    end

    opts.on(
      '-o',
      '--options-file FILE1,FILE2',
      Array,
      'List option files that will merge and override settings in .awstool.yaml. Last entry takes precedence.' ) do |of|
      of.each do |f|
        @option_files << Psych.load_file(File.expand_path(f))
      end
    end

  end.parse!

  if ARGV.empty?
    puts "hostname string is required."
    exit 1
  else
    @options['hostnames'] = ARGV
  end
end

.get_options ⇒ Object 



10
11
12
13
14
15
16
17
18
 
# File 'lib/awstool/settings.rb', line 10

def self.get_options
  set_default
  get_rc
  get_flags
  @option_files.each do |f|
    @options.merge!(f)
  end
  @options
end

.get_rc ⇒ Object 



73
74
75
76
77
78
79
 
# File 'lib/awstool/settings.rb', line 73

def self.get_rc
  awsconf = "#{ENV['HOME']}/.awstool.yaml"
  if File.exist?(awsconf)
    @options.merge!(Psych.load_file(awsconf))
  end
  @options['subnet-id-index'] = rand(@options['subnet-ids'].length - 1 )
end

.set_default ⇒ Object 



81
82
83
84
85
86
87
88
89
 
# File 'lib/awstool/settings.rb', line 81

def self.set_default
  @options['userdata'] = File.expand_path(File.dirname(__FILE__)) + '/../../userdata/default.erb'
  @options['facts'] = {}
  @options['tags']= {}
  @options['hostnames'] = []
  @options['rootvol_size'] = 8
  @options['block_devices'] = false
  @options['timezone'] = 'UTC'
end