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#
# Author:: Benjamin Black (<bb@chef.io>)
# Copyright:: Copyright (c) 2008-2016 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
provides "network", "network/interfaces"
provides "counters/network", "counters/network/interfaces"
def parse_media(media_string)
media = Hash.new
line_array = media_string.split(" ")
0.upto(line_array.length - 1) do |i|
unless line_array[i].eql?("none")
if line_array[i + 1] =~ /^\<([a-zA-Z\-\,]+)\>$/
media[line_array[i]] = Hash.new unless media.key?(line_array[i])
if media[line_array[i]].key?("options")
$1.split(",").each do |opt|
media[line_array[i]]["options"] << opt unless media[line_array[i]]["options"].include?(opt)
end
else
media[line_array[i]]["options"] = $1.split(",")
end
else
if line_array[i].eql?("autoselect")
media["autoselect"] = Hash.new unless media.key?("autoselect")
media["autoselect"]["options"] = []
end
end
else
media["none"] = { "options" => [] }
end
end
media
end
def darwin_encaps_lookup(ifname)
return "Loopback" if ifname.eql?("lo")
return "1394" if ifname.eql?("fw")
return "IPIP" if ifname.eql?("gif")
return "6to4" if ifname.eql?("stf")
return "dot1q" if ifname.eql?("vlan")
"Unknown"
end
def scope_lookup(scope)
return "Node" if scope.eql?("::1")
return "Link" if scope =~ /^fe80\:/
return "Site" if scope =~ /^fec0\:/
"Global"
end
def excluded_setting?(setting)
setting.match("_sw_cksum")
end
def locate_interface(ifaces, ifname, mac)
return ifname unless ifaces[ifname].nil?
# oh well, time to go hunting!
return ifname.chop if ifname =~ /\*$/
ifaces.each_key do |ifc|
ifaces[ifc][:addresses].each_key do |addr|
return ifc if addr.eql? mac
end
end
nil
end
collect_data(:darwin) do
require "scanf"
network Mash.new unless network
network[:interfaces] ||= Mash.new
counters Mash.new unless counters
counters[:network] ||= Mash.new
so = shell_out("route -n get default")
so.stdout.lines do |line|
if line =~ /(\w+): ([\w\.]+)/
case $1
when "gateway"
network[:default_gateway] = $2
when "interface"
network[:default_interface] = $2
end
end
end
iface = Mash.new
so = shell_out("ifconfig -a")
cint = nil
so.stdout.lines do |line|
if line =~ /^([0-9a-zA-Z\.\:\-]+): \S+ mtu (\d+)$/
cint = $1
iface[cint] ||= Mash.new
iface[cint][:addresses] ||= Mash.new
iface[cint][:mtu] = $2
if line =~ /\sflags\=\d+\<((UP|BROADCAST|DEBUG|SMART|SIMPLEX|LOOPBACK|POINTOPOINT|NOTRAILERS|RUNNING|NOARP|PROMISC|ALLMULTI|SLAVE|MASTER|MULTICAST|DYNAMIC|,)+)\>\s/
flags = $1.split(",")
else
flags = Array.new
end
iface[cint][:flags] = flags.flatten
if cint =~ /^(\w+)(\d+.*)/
iface[cint][:type] = $1
iface[cint][:number] = $2
iface[cint][:encapsulation] = darwin_encaps_lookup($1)
end
end
if line =~ /^\s+ether ([0-9a-f\:]+)/
iface[cint][:addresses] ||= Mash.new
iface[cint][:addresses][$1] = { "family" => "lladdr" }
iface[cint][:encapsulation] = "Ethernet"
end
if line =~ /^\s+lladdr ([0-9a-f\:]+)\s/
iface[cint][:addresses] ||= Mash.new
iface[cint][:addresses][$1] = { "family" => "lladdr" }
end
if line =~ /\s+inet (\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}) netmask 0x(([0-9a-f]){1,8})\s*$/
iface[cint][:addresses] ||= Mash.new
iface[cint][:addresses][$1] = { "family" => "inet", "netmask" => $2.scanf("%2x" * 4) * "." }
end
if line =~ /\s+inet (\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}) netmask 0x(([0-9a-f]){1,8}) broadcast (\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})/
iface[cint][:addresses] ||= Mash.new
iface[cint][:addresses][$1] = { "family" => "inet", "netmask" => $2.scanf("%2x" * 4) * ".", "broadcast" => $4 }
end
if line =~ /\s+inet6 ([a-f0-9\:]+)(\s*|(\%[a-z0-9]+)\s*) prefixlen (\d+)\s*/
iface[cint][:addresses] ||= Mash.new
iface[cint][:addresses][$1] = { "family" => "inet6", "prefixlen" => $4 , "scope" => scope_lookup($1) }
end
if line =~ /\s+inet6 ([a-f0-9\:]+)(\s*|(\%[a-z0-9]+)\s*) prefixlen (\d+) scopeid 0x([a-f0-9]+)/
iface[cint][:addresses] ||= Mash.new
iface[cint][:addresses][$1] = { "family" => "inet6", "prefixlen" => $4 , "scope" => scope_lookup($1) }
end
if line =~ /^\s+media: ((\w+)|(\w+ [a-zA-Z0-9\-\<\>]+)) status: (\w+)/
iface[cint][:media] ||= Mash.new
iface[cint][:media][:selected] = parse_media($1)
iface[cint][:status] = $4
end
if line =~ /^\s+supported media: (.*)/
iface[cint][:media] ||= Mash.new
iface[cint][:media][:supported] = parse_media($1)
end
end
so = shell_out("arp -an")
so.stdout.lines do |line|
if line =~ /^\S+ \((\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3})\) at ([a-fA-F0-9\:]+) on ([a-zA-Z0-9\.\:\-]+).*\[(\w+)\]/
# MAC addr really should be normalized to include all the zeroes.
next if iface[$3].nil? # this should never happen
iface[$3][:arp] ||= Mash.new
iface[$3][:arp][$1] = $2
end
end
settings = Mash.new
so = shell_out("sysctl net")
so.stdout.lines do |line|
if line =~ /^([a-zA-Z0-9\.\_]+)\: (.*)/
# should normalize names between platforms for the same settings.
settings[$1] = $2 unless excluded_setting?($1)
end
end
network[:settings] = settings
network[:interfaces] = iface
net_counters = Mash.new
so = shell_out("netstat -i -d -l -b -n")
so.stdout.lines do |line|
if line =~ /^([a-zA-Z0-9\.\:\-\*]+)\s+\d+\s+\<[a-zA-Z0-9\#]+\>\s+([a-f0-9\:]+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)/ ||
line =~ /^([a-zA-Z0-9\.\:\-\*]+)\s+\d+\s+\<[a-zA-Z0-9\#]+\>(\s+)(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+(\d+)/
ifname = locate_interface(iface, $1, $2)
next if iface[ifname].nil? # this shouldn't happen, but just in case
net_counters[ifname] ||= Mash.new
net_counters[ifname] = { rx: { bytes: $5, packets: $3, errors: $4, drop: 0, overrun: 0, frame: 0, compressed: 0, multicast: 0 },
tx: { bytes: $8, packets: $6, errors: $7, drop: 0, overrun: 0, collisions: $9, carrier: 0, compressed: 0 },
}
end
end
counters[:network][:interfaces] = net_counters
end
end
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