Sha256: 4baafb23219f9cc821b4ae51ebd405621bd3c7410f6f861f1bf50f4d2c7f94e7
Contents?: true
Size: 1.77 KB
Versions: 2
Compression:
Stored size: 1.77 KB
Contents
require 'timeout' require 'open-uri' # Provide a set of utility static methods that help with resolving the EC2 # fact. module Facter::Util::EC2 class << self # Test if we can connect to the EC2 api. Return true if able to connect. # On failure this function fails silently and returns false. # # The +wait_sec+ parameter provides you with an adjustable timeout. # def can_connect?(wait_sec=2) url = "http://169.254.169.254:80/" Timeout::timeout(wait_sec) {open(url)} return true rescue return false end # Test if this host has a mac address used by Eucalyptus clouds, which # normally is +d0:0d+. def has_euca_mac? !!(Facter.value(:macaddress) =~ %r{^[dD]0:0[dD]:}) end # Test if this host has a mac address used by OpenStack, which # normally starts with FA:16:3E (older versions of OpenStack # may generate mac addresses starting with 02:16:3E) def has_openstack_mac? !!(Facter.value(:macaddress) =~ %r{^(02|[fF][aA]):16:3[eE]}) end # Test if the host has an arp entry in its cache that matches the EC2 arp, # which is normally +fe:ff:ff:ff:ff:ff+. def has_ec2_arp? kernel = Facter.value(:kernel) mac_address_re = case kernel when /Windows/i /fe-ff-ff-ff-ff-ff/i else /fe:ff:ff:ff:ff:ff/i end arp_command = case kernel when /Windows/i, /SunOS/i "arp -a" else "arp -an" end if arp_table = Facter::Util::Resolution.exec(arp_command) return true if arp_table.match(mac_address_re) end return false end end end
Version data entries
2 entries across 2 versions & 1 rubygems
Version | Path |
---|---|
facter-1.6.15 | lib/facter/util/ec2.rb |
facter-1.6.15.rc1 | lib/facter/util/ec2.rb |