Method: WASP::Aws#initialize

Defined in:
lib/wasp/ec2.rb

#initialize(args) ⇒ Aws

Returns a new instance of Aws.



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# File 'lib/wasp/ec2.rb', line 18

def initialize (args)
  config_path = ENV["HOME"] + "/.waspaws.yml"
  begin
    AWS.config(YAML.load(File.read(config_path)))
    @ec2 = AWS::EC2.new
  rescue => ex
    puts "[WARN]".yellow + " #{ex.message}"
    puts "[WARN]".yellow + " Please set AWS credential file."
    exit false
  end
  
  # evaluate AWS access_key and secret_access_key
  begin
    print "EC2".green + " Checking access key validation.."
    @ec2.availability_zones.each do |av| 
      av.name 
    end
    puts " OK".green
  rescue => ex
    puts "[WARN]".yellow + " #{ex.message}"
    puts "[WARN]".yellow + " Please copy/paste correct AWS access_key and secret_access_key to config/aws.yml file"
    exit false
  end
  
  @num_wasps = if args[:server].nil? then WASP::Const::DEFAULT_WASPS
              else
                args[:server].to_i
              end
  @group = if args[:group].nil? then WASP::Const::DEFAULT_GROUP
           else
             args[:group]
           end
  @zone = if args[:zone].nil? then WASP::Const::DEFAULT_ZONE
          else
            args[:zone]
          end              
  @ami = if args[:ami].nil? then get_default_ami(@zone)
         else
           args[:ami]
         end
  @login = if args[:login].nil? then WASP::Const::DEFAULT_USER
           else
             args[:login]
           end     
  
  @key = args[:key]
  
  
  @regions = @ec2.regions
  @instance_list = []
  @instances = nil
end