Fix interface_for_ip for newer facter versions
In facter 3.x, the networking facts are in a complex hash. Previously
the interface facts where flat so we would lookup the vars. This change
first tries the facter 2.x lookup before falling back to the facter 3.x
syntax.
Change-Id: I260b18ae3479da4f5176027d4b26b3e1c6b22063
Closes-Bug: #1812938
(cherry picked from commit 5fff984cec
)
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@ -9,22 +9,68 @@ module Puppet::Parser::Functions
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if arg[0].class == String
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begin
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ip1 = IPAddr.new(arg[0])
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network_facts = lookupvar('networking')
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Dir.foreach('/sys/class/net/') do |interface|
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next if interface == '.' || interface == '..'
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iface_no_dash = interface.gsub('-', '_')
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# puppet downcases fact names, interface names can have capitals but
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# in facter 2.x they were lower case. In facter 3.x they can have
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# capitals
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iface_no_dash = interface.gsub('-', '_').downcase
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if ip1.ipv4?
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ipaddress_name = "ipaddress_#{iface_no_dash}"
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netmask_name = "netmask_#{iface_no_dash}"
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facter_ip = 'ip'
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facter_netmask = 'netmask'
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else
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ipaddress_name = "ipaddress6_#{iface_no_dash}"
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netmask_name = "netmask6_#{iface_no_dash}"
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facter_ip = 'ip6'
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facter_netmask = 'netmask6'
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end
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interface_ip = lookupvar(ipaddress_name)
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netmask = lookupvar(netmask_name)
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unless interface_ip.nil? then
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if network_facts.nil? or network_facts['interfaces'].nil? then
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# facter 2 facts
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interface_ip = lookupvar(ipaddress_name)
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next if interface_ip.nil?
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ip2 = IPAddr.new(interface_ip)
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netmask = lookupvar(netmask_name)
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return interface if ip1.mask(netmask) == ip2.mask(netmask)
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else
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# facter 3+ syntax:
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# networking => {
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# ...
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# interfaces => {
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# br-ctlplane => {
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# bindings => [
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# {
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# address => "192.168.24.1",
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# netmask => "255.255.255.0",
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# network => "192.168.24.0"
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# }
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# ],
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# bindings6 => [
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# {
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# address => "fe80::5054:ff:fe22:bac3",
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# netmask => "ffff:ffff:ffff:ffff::",
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# network => "fe80::"
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# }
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# ],
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# ip => "192.168.24.1",
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# ip6 => "fe80::5054:ff:fe22:bac3",
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# mac => "52:54:00:22:ba:c3",
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# mtu => 1500,
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# netmask => "255.255.255.0",
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# netmask6 => "ffff:ffff:ffff:ffff::",
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# network => "192.168.24.0",
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# network6 => "fe80::"
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# },
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# },
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# ...
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# }
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next if network_facts['interfaces'][interface].nil? or network_facts['interfaces'][interface][facter_ip].nil?
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ip2 = IPAddr.new(network_facts['interfaces'][interface][facter_ip])
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netmask = network_facts['interfaces'][interface][facter_netmask]
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return interface if ip1.mask(netmask) == ip2.mask(netmask)
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end
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end
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