Class: Kitchen::Driver::Aws::InstanceGenerator

Inherits:
Object
  • Object
show all
Defined in:
lib/kitchen/driver/aws/instance_generator.rb

Overview

A class for encapsulating the instance payload logic

Author:

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(config, ec2, logger) ⇒ InstanceGenerator

Returns a new instance of InstanceGenerator.



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# File 'lib/kitchen/driver/aws/instance_generator.rb', line 34

def initialize(config, ec2, logger)
  @config = config
  @ec2 = ec2
  @logger = logger
end

Instance Attribute Details

#config ⇒ Object (readonly)

Returns the value of attribute config.



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# File 'lib/kitchen/driver/aws/instance_generator.rb', line 32

def config
  @config
end

#ec2 ⇒ Object (readonly)

Returns the value of attribute ec2.



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# File 'lib/kitchen/driver/aws/instance_generator.rb', line 32

def ec2
  @ec2
end

#logger ⇒ Object (readonly)

Returns the value of attribute logger.



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# File 'lib/kitchen/driver/aws/instance_generator.rb', line 32

def logger
  @logger
end

Instance Method Details

#ec2_instance_data ⇒ Object

Transform the provided config into the hash to send to AWS. Some fields can be passed in null, others need to be ommitted if they are null



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# File 'lib/kitchen/driver/aws/instance_generator.rb', line 42

def ec2_instance_data # rubocop:disable Metrics/MethodLength, Metrics/AbcSize
  i = {
    :instance_type                => config[:instance_type],
    :ebs_optimized                => config[:ebs_optimized],
    :image_id                     => config[:image_id],
    :key_name                     => config[:aws_ssh_key_id],
    :subnet_id                    => config[:subnet_id],
    :private_ip_address           => config[:private_ip_address]
  }

  availability_zone = config[:availability_zone]
  if availability_zone
    if availability_zone =~ /^[a-z]$/i
      availability_zone = "#{config[:region]}#{availability_zone}"
    end
    i[:placement] = { :availability_zone => availability_zone.downcase }
  end
  unless config[:block_device_mappings].nil? || config[:block_device_mappings].empty?
    i[:block_device_mappings] = config[:block_device_mappings]
  end
  i[:security_group_ids] = Array(config[:security_group_ids]) if config[:security_group_ids]
  i[:user_data] = prepared_user_data if prepared_user_data
  if config[:iam_profile_name]
    i[:iam_instance_profile] = { :name => config[:iam_profile_name] }
  end
  if !config.fetch(:associate_public_ip, nil).nil?
    i[:network_interfaces] =
      [{
        :device_index => 0,
        :associate_public_ip_address => config[:associate_public_ip],
        :delete_on_termination => true
      }]
    # If specifying `:network_interfaces` in the request, you must specify
    # network specific configs in the network_interfaces block and not at
    # the top level
    if config[:subnet_id]
      i[:network_interfaces][0][:subnet_id] = i.delete(:subnet_id)
    end
    if config[:private_ip_address]
      i[:network_interfaces][0][:private_ip_address] = i.delete(:private_ip_address)
    end
    if config[:security_group_ids]
      i[:network_interfaces][0][:groups] = i.delete(:security_group_ids)
    end
  end
  i
end

#prepared_user_data ⇒ Object 



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# File 'lib/kitchen/driver/aws/instance_generator.rb', line 90

def prepared_user_data
  # If user_data is a file reference, lets read it as such
  return nil if config[:user_data].nil?
  @user_data ||= begin
    if File.file?(config[:user_data])
      @user_data = File.read(config[:user_data])
    else
      @user_data = config[:user_data]
    end
    @user_data = Base64.encode64(@user_data)
  end
end