Module: AwsEc2List

Defined in:
lib/aws_ec2_list.rb,
lib/aws_ec2_list/version.rb

Defined Under Namespace

Classes: DescribeInstances, Instance

Constant Summary collapse

VERSION = 
"0.2.1"

Class Method Summary collapse

Class Method Details

.call(*args) ⇒ Object 



7
8
9
10
11
12
13
14
 
# File 'lib/aws_ec2_list.rb', line 7

def self.call(*args)
  defaults = parse_args(args)
  if defaults
    DescribeInstances.new(defaults).call
  else
    DescribeInstances.new.call
  end
end

.option_string_to_hash(option_string) ⇒ Object 



34
35
36
37
38
39
40
41
42
43
44
45
 
# File 'lib/aws_ec2_list.rb', line 34

def self.option_string_to_hash(option_string)
  option_array = option_string.split("--").reject { |o| o.empty? }
  option_array = option_array.map{ |opt| opt.split("=") }.flatten

  option_hash = Hash[*option_array]

  option_hash.keys.each do |key|
    option_hash[key.to_sym] = option_hash.delete(key)
  end

  option_hash
end

.parse_args(args) ⇒ Object 



17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
 
# File 'lib/aws_ec2_list.rb', line 17

def self.parse_args(args)
  return nil if args.empty?
  return args.first if args.first.is_a?(Hash)
  option_string, default_args = args

  option_string = option_string.first

  if option_string && default_args
    option_hash = option_string_to_hash(option_string)
    option_hash.merge(default_args)

  elsif option_string
    option_string_to_hash(option_string)

  end
end