class Specinfra::Ec2Metadata
Public Class Methods
new(host_inventory)
click to toggle source
# File lib/specinfra/ec2_metadata.rb, line 3 def initialize(host_inventory) @host_inventory = host_inventory @base_uri = 'http://169.254.169.254/latest/meta-data/' @metadata = {} end
Public Instance Methods
[](key)
click to toggle source
# File lib/specinfra/ec2_metadata.rb, line 15 def [](key) if @metadata[key].nil? begin require "specinfra/ec2_metadata/#{key}" inventory_class = Specinfra::Ec2Metadata.const_get(key.to_s.to_camel_case) @metadata[key] = inventory_class.new(@host_inventory).get rescue LoadError @metadata[key] = nil end end @metadata[key] end
each() { |k, metadata| ... }
click to toggle source
# File lib/specinfra/ec2_metadata.rb, line 33 def each keys.each do |k| yield k, @metadata[k] end end
each_key() { |k| ... }
click to toggle source
# File lib/specinfra/ec2_metadata.rb, line 39 def each_key keys.each do |k| yield k end end
each_value() { |metadata| ... }
click to toggle source
# File lib/specinfra/ec2_metadata.rb, line 45 def each_value keys.each do |k| yield @metadata[k] end end
empty?()
click to toggle source
# File lib/specinfra/ec2_metadata.rb, line 29 def empty? @metadata.empty? end
get()
click to toggle source
# File lib/specinfra/ec2_metadata.rb, line 10 def get @metadata = get_metadata self end
inspect()
click to toggle source
# File lib/specinfra/ec2_metadata.rb, line 55 def inspect @metadata end
keys()
click to toggle source
# File lib/specinfra/ec2_metadata.rb, line 51 def keys @metadata.keys end
Private Instance Methods
get_endpoint(path)
click to toggle source
# File lib/specinfra/ec2_metadata.rb, line 82 def get_endpoint(path) ret = @host_inventory.backend.run_command("curl -s #{@base_uri}#{path}") if ret.success? ret.stdout else nil end end
get_metadata(path='')
click to toggle source
# File lib/specinfra/ec2_metadata.rb, line 60 def get_metadata(path='') metadata = {} keys = @host_inventory.backend.run_command("curl -s #{@base_uri}#{path}").stdout.split("\n") keys.each do |key| if key =~ %r{/$} metadata[key[0..-2]] = get_metadata(path + key) else if key =~ %r{=} key = key.split('=')[0] + '/' metadata[key[0..-2]] = get_metadata(path + key) else ret = get_endpoint(path) metadata[key] = get_endpoint(path + key) if ret end end end metadata end