Class: AWSCarb::Services::Ec2

Inherits:
Object
  • Object
show all
Includes:
Singleton
Defined in:
lib/aws-carb/services/ec2.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#instance ⇒ Object (readonly)

Returns the value of attribute instance.



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# File 'lib/aws-carb/services/ec2.rb', line 9

def instance
  @instance
end

Instance Method Details

#client(config) ⇒ Object 



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# File 'lib/aws-carb/services/ec2.rb', line 11

def client(config)
  @config = config
  @instance = nil

  ShellSpinner "# configuring ec2 session", false do
    begin
      @client = AWS::EC2.new(config[:ec2])
      @client.regions[@config.find_with_context(:region, :ec2)]
      puts
    rescue => e
      puts "error: failed to create ec2 session, check that you're using a valid region!"
      die e
    end
  end
end

#create_instance ⇒ Object 



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# File 'lib/aws-carb/services/ec2.rb', line 27

def create_instance

  instance = nil

  ShellSpinner "# creating instance", false do

    # FIXME: this is naff

    begin
      allowed_ec2_parameters = [
        :count,
        :iam_instance_profile,
        :block_device_mappings,
        :virtual_name,
        :device_name,
        :ebs,
        :snapshot_id,
        :volume_size,
        :delete_on_termination,
        :volume_type,
        :iops,
        :no_device,
        :monitoring_enabled,
        :availability_zone,
        :image_id,
        :key_name,
        :key_pair,
        :security_groups,
        :security_group_ids,
        :user_data,
        :instance_type,
        :kernel_id,
        :ramdisk_id,
        :disable_api_termination,
        :instance_initiated_shutdown_behavior,
        :subnet,
        :private_ip_address,
        :dedicated_tenancy,
        :ebs_optimized,
        :associate_public_ip_address,
      ]

      ec2_config = {}

      allowed_ec2_parameters.each do |param|
        ec2_config[param] = @config[:ec2][param] if @config[:ec2][param]
      end

      @instance = @client.instances.create(ec2_config)
    rescue => e
      puts "# failed to create new ec2 instance:"
      die e
    end
  end

  puts

  ShellSpinner "# awaiting build completion", false do
    sleep 1 until @instance.status != :pending
  end

  puts

  ShellSpinner "# awaiting running state", false do
    sleep 1 until @instance.status == :running
  end

  puts
end