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# Fact: ipaddress
#
# Purpose: Return the main IP address for a host.
#
# Resolution:
# On the Unixes does an ifconfig, and returns the first non 127.0.0.0/8
# subnetted IP it finds.
# On Windows, it attempts to use the socket library and resolve the machine's
# hostname via DNS.
#
# On LDAP based hosts it tries to use either the win32/resolv library to
# resolve the hostname to an IP address, or on Unix, it uses the resolv
# library.
#
# As a fall back for undefined systems, it tries to run the "host" command to
# resolve the machine's hostname using the system DNS.
#
# Caveats:
# DNS resolution relies on working DNS infrastructure and resolvers on the
# host system.
# The ifconfig parsing purely takes the first IP address it finds without any
# checking this is a useful IP address.
#
Facter.add(:ipaddress) do
confine :kernel => :linux
setcode do
ip = nil
output = %x{/sbin/ip addr show}
output.split(/^\S/).each { |str|
if str =~ /inet ([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)/
tmp = $1
unless tmp =~ /^127\./
ip = tmp
break
end
end
}
ip
end
end
Facter.add(:ipaddress) do
confine :kernel => %w{FreeBSD OpenBSD Darwin}
setcode do
ip = nil
output = %x{/sbin/ifconfig}
output.split(/^\S/).each { |str|
if str =~ /inet ([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)/
tmp = $1
unless tmp =~ /^127\./
ip = tmp
break
end
end
}
ip
end
end
Facter.add(:ipaddress) do
confine :kernel => %w{NetBSD SunOS}
setcode do
ip = nil
output = %x{/sbin/ifconfig -a}
output.split(/^\S/).each { |str|
if str =~ /inet ([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)/
tmp = $1
unless tmp =~ /^127\./ or tmp == "0.0.0.0"
ip = tmp
break
end
end
}
ip
end
end
Facter.add(:ipaddress) do
confine :kernel => %w{AIX}
setcode do
ip = nil
output = %x{/usr/sbin/ifconfig -a}
output.split(/^\S/).each { |str|
if str =~ /inet ([0-9]+\.[0-9]+\.[0-9]+\.[0-9]+)/
tmp = $1
unless tmp =~ /^127\./
ip = tmp
break
end
end
}
ip
end
end
Facter.add(:ipaddress) do
confine :kernel => %w{windows}
setcode do
require 'socket'
IPSocket.getaddress(Socket.gethostname)
end
end
Facter.add(:ipaddress, :ldapname => "iphostnumber", :timeout => 2) do
setcode do
if Facter.value(:kernel) == 'windows'
require 'win32/resolv'
else
require 'resolv'
end
begin
if hostname = Facter.value(:hostname)
if Facter.value(:kernel) == 'windows'
ip = Win32::Resolv.get_resolv_info.last[0]
else
ip = Resolv.getaddress(hostname)
end
unless ip == "127.0.0.1"
ip
end
else
nil
end
rescue Resolv::ResolvError
nil
rescue NoMethodError # i think this is a bug in resolv.rb?
nil
end
end
end
Facter.add(:ipaddress, :timeout => 2) do
setcode do
if hostname = Facter.value(:hostname)
# we need Hostname to exist for this to work
host = nil
if host = Facter::Util::Resolution.exec("host #{hostname}")
list = host.chomp.split(/\s/)
if defined? list[-1] and
list[-1] =~ /[0-9]+\.[0-9]+\.[0-9]+\.[0-9]+/
list[-1]
end
else
nil
end
else
nil
end
end
end
|
