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# frozen_string_literal: true
#
# Author:: Kaustubh Deorukhkar (<kaustubh@clogeny.com>)
# Author:: Prabhu Das (<prabhu.das@clogeny.com>)
# Author:: Isa Farnik (<isa@chef.io>)
# Copyright:: Copyright (c) Chef Software Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
Ohai.plugin(:Network) do
require_relative "../../mixin/network_helper"
provides "network", "counters/network", "macaddress"
include Ohai::Mixin::NetworkHelper
collect_data(:aix) do
require "ipaddr" unless defined?(IPAddr)
# Loads following information.
# :default_interface, :default_gateway - route -n get 0
# :interfaces
# => routes(netstat -nr | grep en0)
# => addresses (ifconfig en0 or lsattr -El en0), macaddress (entstat -d en0 = Hardware Address: be:42:80:00:b0:05)
# => flags (ifconfig en0)
# => state up/down (ifconfig/lsattr)
# => arp (arp -an)
ifaces = Mash.new
network Mash.new unless network
# We unfortunately have to do things a bit different here, if ohai is running
# within a WPAR. For instance, the WPAR isn't aware of some of its own networking
# minutia such as default gateway/route. lpars return 0 here. wpars return > 0
unless shell_out("uname -W").stdout.to_i > 0
# :default_interface, :default_gateway - route -n get 0
default_line = shell_out("netstat -rn")
.stdout
.each_line
.detect { |l| l.start_with?("default") }
.split
network[:default_gateway] = default_line[1]
network[:default_interface] = default_line[5]
end
# Splits the ifconfig output into arrays of interface strings
shell_out("ifconfig -a").stdout.split(/\n(?=\w)/).each do |int_lines|
int_name, int_data = int_lines.split(":", 2)
ifaces[int_name] = Mash.new
ifaces[int_name][:addresses] ||= Mash.new
ifaces[int_name][:state] = (int_data.include?("<UP,") ? "up" : "down")
int_data.each_line do |lin|
case lin
when /flags=\S+<(\S+)>/
ifaces[int_name][:flags] = $1.split(",")
ifaces[int_name][:metric] = $1 if lin =~ /metric\s(\S+)/
else
# We have key value pairs.
if lin =~ %r{inet (\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})(/(\d{1,2}))?}
tmp_addr, tmp_prefix = $1, $3
if tmp_prefix.nil?
netmask = hex_to_dec_netmask($1) if lin =~ /netmask\s0x(\S+)\s/
unless netmask
tmp_prefix ||= "32"
netmask = IPAddr.new("255.255.255.255").mask(tmp_prefix.to_i).to_s
end
else
netmask = IPAddr.new("255.255.255.255").mask(tmp_prefix.to_i).to_s
end
ifaces[int_name][:addresses][tmp_addr] = { "family" => "inet", "prefixlen" => tmp_prefix }
ifaces[int_name][:addresses][tmp_addr][:netmask] = netmask
if lin =~ /broadcast\s(\S+)\s/
ifaces[int_name][:addresses][tmp_addr][:broadcast] = $1
end
elsif lin =~ %r{inet6 ([a-f0-9\:]+)%?(\d*)/?(\d*)?}
# TODO do we have more properties on inet6 in aix? broadcast
ifaces[int_name][:addresses] ||= Mash.new
ifaces[int_name][:addresses][$1] = { "family" => "inet6", "zone_index" => $2, "prefixlen" => $3 }
else
# add all key value data into the interface mash
# for example "tcp_sendspace 131072 tcp_recvspace 131072 rfc1323 1"
# has keys tcp_sendspace, tcp_recvspace, and rfc1323
properties = lin.split
(properties.size / 2).times do
ifaces[int_name][properties.shift] = properties.shift
end
end
end
end
# Query macaddress
e_so = shell_out("entstat -d #{int_name} | grep \"Hardware Address\"")
e_so.stdout.each_line do |l|
if l =~ /Hardware Address: (\S+)/
ifaces[int_name][:addresses][$1.upcase] = { "family" => "lladdr" }
macaddress $1.upcase unless shell_out("uname -W").stdout.to_i > 0
end
end
end # ifconfig stdout
# Query routes information
%w{inet inet6}.each do |family|
so_n = shell_out("netstat -nrf #{family}")
so_n.stdout.each_line do |line|
if line =~ /(\S+)\s+(\S+)\s+(\S+)\s+(\d+)\s+(\d+)\s+(\S+)/
interface = $6
ifaces[interface][:routes] = [] unless ifaces[interface][:routes]
ifaces[interface][:routes] << Mash.new( destination: $1, family: family,
via: $2, flags: $3)
end
end
end
# List the arp entries in system.
so = shell_out("arp -an")
count = 0
so.stdout.each_line do |line|
network[:arp] ||= Mash.new
if line =~ /\s*(\S+) \((\S+)\) at ([a-fA-F0-9\:]+) \[(\w+)\] stored in bucket/
network[:arp][count] ||= Mash.new
network[:arp][count][:remote_host] = $1
network[:arp][count][:remote_ip] = $2
network[:arp][count][:remote_mac] = $3.downcase
count += 1
end
end
network["interfaces"] = ifaces
end
end
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