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# Original fact Tim Dysinger
# Additional work from KurtBe
# Additional work for Paul Nasrat
# Additional work modelled on Ohai EC2 fact
require 'open-uri'
require 'timeout'
def can_connect?(wait_sec=2)
url = "http://169.254.169.254:80/"
Timeout::timeout(wait_sec) {open(url)}
return true
rescue Timeout::Error
return false
rescue
return false
end
def metadata(id = "")
open("http://169.254.169.254/2008-02-01/meta-data/#{id||=''}").read.
split("\n").each do |o|
key = "#{id}#{o.gsub(/\=.*$/, '/')}"
if key[-1..-1] != '/'
value = open("http://169.254.169.254/2008-02-01/meta-data/#{key}").read.
split("\n")
value = value.size>1 ? value : value.first
symbol = "ec2_#{key.gsub(/\-|\//, '_')}".to_sym
Facter.add(symbol) { setcode { value } }
else
metadata(key)
end
end
end
def userdata()
begin
value = OpenURI.open_uri("http://169.254.169.254/2008-02-01/user-data/").read.split
Facter.add(:ec2_userdata) { setcode { value } }
rescue OpenURI::HTTPError
end
end
def has_euca_mac?
!!(Facter.value(:macaddress) =~ %r{^[dD]0:0[dD]:})
end
def has_ec2_arp?
!!(Facter.value(:arp) == "fe:ff:ff:ff:ff:ff")
end
if (has_euca_mac? || has_ec2_arp?) && can_connect?
metadata
userdata
else
Facter.debug "Not an EC2 host"
end
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