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# Copyright 2011-2013 Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"). You
# may not use this file except in compliance with the License. A copy of
# the License is located at
#
# http://aws.amazon.com/apache2.0/
#
# or in the "license" file accompanying this file. This file is
# distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
# ANY KIND, either express or implied. See the License for the specific
# language governing permissions and limitations under the License.
require 'base64'
module AWS
class AutoScaling
# @attr_reader [String] name
#
# @attr_reader [Time] created_time
#
# @attr_reader [String] image_id
#
# @attr_reader [Boolean] detailed_instance_monitoring
#
# @attr_reader [String] instance_type
#
# @attr_reader [String,nil] kernel_id
#
# @attr_reader [String,nil] key_name
#
# @attr_reader [String] arn
#
# @attr_reader [String,nil] ramdisk_id
#
# @attr_reader [String,nil] user_data
#
# @attr_reader [Array<Hash>] block_device_mappings
#
# @attr_reader [String] iam_instance_profile
#
# @attr_reader [String] spot_price
#
# @attr_reader [Boolean] associate_public_ip_address
#
class LaunchConfiguration < Core::Resource
# @api private
def initialize name, options = {}
super(options.merge(:name => name))
end
attribute :name, :from => :launch_configuration_name, :static => true
attribute :created_time, :static => true
alias_method :created_at, :created_time
attribute :image_id, :static => true
attribute :detailed_instance_monitoring,
:from => :instance_monitoring,
:static => true do
translates_output {|value| value[:enabled] }
end
alias_method :detailed_instance_monitoring?, :detailed_instance_monitoring
attribute :instance_type, :static => true
attribute :kernel_id, :static => true
attribute :key_name, :static => true
attribute :arn, :from => :launch_configuration_arn, :static => true
attribute :ramdisk_id, :static => true
attribute :iam_instance_profile, :static => true
attribute :spot_price, :static => true
attribute :user_data, :static => true do
translates_output{|v| Base64.decode64(v) }
end
attribute :block_device_mappings,
:static => true do
translates_output{|mappings| mappings.map(&:to_hash) }
end
attribute :security_group_details,
:from => :security_groups,
:static => true
attribute :associate_public_ip_address, :static => true
protected :security_group_details
populates_from(:describe_launch_configurations) do |resp|
resp.launch_configurations.find do |lc|
lc.launch_configuration_name == name
end
end
# @return [EC2::Image]
def image
EC2::Image.new(image_id, :config => config)
end
# @return [KeyPair,nil]
def key_pair
if key_name
EC2::KeyPair.new(key_name, :config => config)
end
end
# @return [Array<EC2::SecurityGroup>]
def security_groups
names_or_ids = security_group_details
if names_or_ids.all?{|str| str.match(/^sg-[0-9a-f]{8}$/) }
names_or_ids.collect do |security_group_id|
EC2::SecurityGroup.new(security_group_id, :config => config)
end
else
begin
ec2 = EC2.new(:config => config)
ec2.security_groups.filter('group-name', *names_or_ids).to_a
rescue
names_or_ids
end
end
end
# @return [Boolean] Returns true if this launch configuration exists.
def exists?
!!get_resource.launch_configurations.first
end
# Deletes the current launch configuration.
# @return [nil]
def delete
client.delete_launch_configuration(resource_options)
nil
end
protected
def resource_identifiers
[[:launch_configuration_name, name]]
end
def get_resource attr_name = nil
client_opts = {}
client_opts[:launch_configuration_names] = [name]
client.describe_launch_configurations(client_opts)
end
end
end
end
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