Class: Aws::RiKanjoo::CLI

Inherits:
Object
  • Object
show all
Defined in:
lib/aws/rikanjo/cli.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ CLI

Returns a new instance of CLI.



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# File 'lib/aws/rikanjo/cli.rb', line 8

def initialize
  @options = {}
  @optparse = nil
  @cost = nil
end

Instance Method Details

#output ⇒ Object 



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# File 'lib/aws/rikanjo/cli.rb', line 93

def output
  if @options[:output_json]
    output_json()
  else
    output_text()
  end
end

#output_json ⇒ Object 



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# File 'lib/aws/rikanjo/cli.rb', line 101

def output_json
  puts @cost.to_json
end

#output_text ⇒ Object 



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# File 'lib/aws/rikanjo/cli.rb', line 105

def output_text
  @cost.keys.each do |key|
    puts "#{key}: #{@cost[key]}"
  end
end

#parse ⇒ Object 



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# File 'lib/aws/rikanjo/cli.rb', line 20

def parse
  optparse = OptionParser.new do |opts|
    opts.banner = 'Usage: rikanjo ec2/rds [options]'

    # subcommand
    mode = ARGV.shift
    if mode == 'ec2'
    elsif mode == 'rds'
      opts.on('--multiaz', 'enable multi-az') do |value|
        @options[:multiaz] = value
      end
    else
      $stderr.puts "no such subcommand: #{mode}"
      puts opts
      exit 1
    end
    @options[:mode] = mode

    region_values = %w(us-east-1 us-west-1 us-west-2 eu-west-1 ap-southeast-1 ap-northeast-1 ap-southeast-2 sa-east-1 )
    opts.on('-r', '--region=VALUE', region_values, "specify aws-region (#{region_values.join('/')})") do |value|
      @options[:region] = value
    end

    opts.on('-t', '--instance_type=VALUE', 'specify ec2-instance-type') do |value|
      @options[:instance_type] = value
    end

    ri_util_values = %w(light medium heavy)
    opts.on('-u', '--ri_util=VALUE', ri_util_values, "specify ri-util (#{ri_util_values.join('/')})") do |value|
      @options[:ri_util] = value
    end

    opts.on('-j', '--output_json', "specify output_json flg") do |value|
      @options[:output_json] = value
    end

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

  # validation
  begin
    optparse.parse!
    require_args = [:region, :instance_type, :ri_util]
    error_args = require_args.select { |param| @options[param].nil? }
    unless error_args.empty?
      puts "require arguments: #{error_args.join(', ')}"
      puts
      puts optparse
      exit
    end
  rescue
    puts $!.to_s
    puts
    puts optparse
    exit
  end
end

#rikanjo ⇒ Object 



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# File 'lib/aws/rikanjo/cli.rb', line 81

def rikanjo
  # rikanjo
  a = Aws::RiKanjoo::Base.new(
      mode = @options[:mode],
      region = @options[:region],
      instance_type = @options[:instance_type],
      ri_util = @options[:ri_util],
      multiaz = @options[:multiaz],
  )
  @cost = a.total_cost_year
end

#start ⇒ Object 



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# File 'lib/aws/rikanjo/cli.rb', line 14

def start
  parse
  rikanjo
  output
end