Class: CloudProviders::Ec2Response

Inherits:
Object
  • Object
show all
Defined in:
lib/cloud_providers/ec2/ec2_response.rb

Overview

Convert the standard right_aws gem’s response object to the poolparty format

Class Method Summary collapse

Class Method Details

.convert_from_ec2_dns_to_ip(str = nil) ⇒ Object

parse IP address from aws dns name



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# File 'lib/cloud_providers/ec2/ec2_response.rb', line 66

def self.convert_from_ec2_dns_to_ip(str=nil)
  return str if str.nil?
  # if using eucalyptus we may have the raw IP already, if so just return it
  return str if str.match( /^\d{1,3}\.\d{1,3}.\d{1,3}\.\d{1,3}$/ )
  str.scan(/-(\d{1,3})-(\d{1,3})-(\d{1,3})-(\d{1,3})/).flatten.join('.')
end

.describe_instance(response_array, index = 0) ⇒ Object

Selects the first instance if an index is not given.



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# File 'lib/cloud_providers/ec2/ec2_response.rb', line 44

def self.describe_instance(response_array, index=0)
  pp_format(response_array[index])
end

.describe_instances(response) ⇒ Object

Convert the standard response hash to format used throughout the rest of PoolParty code.



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# File 'lib/cloud_providers/ec2/ec2_response.rb', line 49

def self.describe_instances(response)
  response.collect{|inst| pp_format(inst) }
end

.parse_datetime(str) ⇒ Object 



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# File 'lib/cloud_providers/ec2/ec2_response.rb', line 73

def self.parse_datetime(str)
  Time.parse( str.chomp )
end

.pp_format(response_hash) ⇒ Object 



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# File 'lib/cloud_providers/ec2/ec2_response.rb', line 53

def self.pp_format(response_hash)
  munged = {}
  response_hash.each{|k,v| munged[k.to_s.gsub('aws_', '').to_sym] = v}
  munged[:internal_ip]      = convert_from_ec2_dns_to_ip(munged[:private_dns_name]) if munged[:private_dns_name]
  munged[:public_ip]        = convert_from_ec2_dns_to_ip(munged[:dns_name]) if munged[:dns_name]
  munged[:launch_time]      = parse_datetime(munged[:launch_time]) if munged[:launch_time]
  munged[:ami_launch_index] = munged[:launch_index] if munged[:launch_index]  #TODO: deprecate ami_launch_index
  munged[:keypair_name]     = munged.delete(:ssh_key_name)
  munged[:status]           = munged.delete(:state) || munged[:shutdown_state]
  munged
end