Module: AWS::EC2::Instance

A set of methods for querying amazon‘s ec2 meta-data service. Note : This can ONLY be run on an actual running EC2 instance.

Example Class Method Usage : instance_id = AWS::EC2::Instance.local_instance_id

Methods

local_instance_id local_instance_meta_data

Constants

EC2_META_URL_BASE = 'http://169.254.169.254/latest/meta-data/'

Public Class methods

local_instance_id()

Returns the current instance-id when called from a host within EC2.

[Source]

     # File lib/AWS/EC2/instances.rb, line 248
248:       def self.local_instance_id
249:         Net::HTTP.get URI.parse(EC2_META_URL_BASE + 'instance-id')
250:       end

local_instance_meta_data()

Returns a hash of all available instance meta data.

[Source]

     # File lib/AWS/EC2/instances.rb, line 255
255:       def self.local_instance_meta_data
256:         meta_data = {}
257: 
258:         Net::HTTP.get(URI.parse(EC2_META_URL_BASE)).split("\n").each do |meta_type|
259:           meta_data.merge!({meta_type => Net::HTTP.get(URI.parse(EC2_META_URL_BASE + meta_type)) })
260:         end
261: 
262:         return meta_data
263:       end