Class: Cloudit::Command::Generate

Inherits:
Base
  • Object
show all
Defined in:
lib/cloudit/command/generate.rb

Constant Summary collapse

VALID_METHODS = 
['help']
SECTIONS = 
['Metadata', 'Parameters', 'Mappings', 'Conditions', 'Resources', 'Outputs']
DESCRIPTION = 
'Build YAML files into Cloudformation template'
DEFAULT_OUT_FILE = 
'out.json'
DEFAULT_MAIN_CFN_EXTENSION = 
'cfn.yml'

Constants inherited from Base

Base::DEFAULT_DIRECTORY, Base::OPTION_NAME_OFFSET

Instance Method Summary collapse

Methods inherited from Base

#execute, #help, #initialize, #invalid_method, #parser, #slop_opts

Constructor Details

This class inherits a constructor from Cloudit::Command::Base

Instance Method Details

#generate_json(dir = './', min = false) ⇒ Object 



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# File 'lib/cloudit/command/generate.rb', line 41

def generate_json(dir='./', min=false)
  hash = {}
  hash_sections = {}

  unless File.directory? dir
    $stdout.puts "cloudit: '#{dir}' must be a directory"
    return
  end

  for file in Dir.glob(Dir["#{dir}**/*.#{DEFAULT_MAIN_CFN_EXTENSION}"]) do
    yml = YAML::load_file(file)
    if yml.is_a?(Hash)
      hash.merge! yml
    end
  end

  for section in SECTIONS do
    section_file = section.downcase
    hash_sections[section] = {}

    for file in Dir.glob(Dir["#{dir}**/*.#{section_file}.yml"]) do
      yml = YAML::load_file(file)

      if yml.is_a?(Hash)
        hash_sections[section].merge! yml
      end
    end
  end

  hash.merge! hash_sections

  if min
    hash.to_json
  else
    JSON.pretty_generate hash
  end
end

#index ⇒ Object 



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# File 'lib/cloudit/command/generate.rb', line 13

def index
  if @opts.help?
    $stdout.puts slop_opts
  else
    out = @opts[:output]
    dir = normalize_directory @opts[:directory]
    min = @opts[:minify]

    if File.exist? out
      if out.eql? DEFAULT_OUT_FILE
        i = 1
        while File.exist? out
          i += 1
          out = "out#{i}.json"
        end
      else
        $stdout.puts "cloudit: output file '#{out}' already exists"
        return
      end
    end

    json = generate_json dir, min
    File.new(out, 'w').write "#{json}\n"

    $stdout.puts "Template generated to #{out}"
  end
end