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fog--fog/lib/fog/core/current_machine.rb

34 lines
989 B
Ruby

require 'thread'
module Fog
class CurrentMachine
@@lock = Mutex.new
AMAZON_AWS_CHECK_IP = 'http://checkip.amazonaws.com'
def self.ip_address= ip_address
@@lock.synchronize do
@@ip_address = ip_address
end
end
# Get the ip address of the machine from which this command is run. It is
# recommended that you surround calls to this function with a timeout block
# to ensure optimum performance in the case where the amazonaws checkip
# service is unavailable.
#
# @example Get the current ip address
# begin
# Timeout::timeout(5) do
# puts "Your ip address is #{Fog::CurrentMachine.ip_address}"
# end
# rescue Timeout::Error
# puts "Service timeout"
# end
#
# @raise [Excon::Errors::Error] if the net/http request fails.
def self.ip_address
@@lock.synchronize do
@@ip_address ||= Excon.get(AMAZON_AWS_CHECK_IP).body.chomp
end
end
end
end