/usr/lib/ruby/vendor_ruby/ohai/plugins/kernel.rb is in ohai 8.21.0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Author:: Adam Jacob (<adam@chef.io>)
# Author:: Benjamin Black (<nostromo@gmail.com>)
# Author:: Bryan McLellan (<btm@loftninjas.org>)
# Author:: Claire McQuin (<claire@chef.io>)
# Author:: James Gartrell (<jgartrel@gmail.com>)
# Copyright:: Copyright (c) 2008-2016 Chef Software, Inc.
# Copyright:: Copyright (c) 2009 Bryan McLellan
# 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(:Kernel) do
provides "kernel", "kernel/modules"
# common initial kernel attribute values
def init_kernel
kernel Mash.new
[["uname -s", :name], ["uname -r", :release],
["uname -v", :version], ["uname -m", :machine],
["uname -p", :processor]].each do |cmd, property|
so = shell_out(cmd)
kernel[property] = so.stdout.split($/)[0]
end
kernel
end
# common *bsd code for collecting modules data
def bsd_modules(path)
modules = Mash.new
so = shell_out("#{Ohai.abs_path(path)}")
so.stdout.lines do |line|
# 1 7 0xc0400000 97f830 kernel
if line =~ /(\d+)\s+(\d+)\s+([0-9a-fx]+)\s+([0-9a-fx]+)\s+([a-zA-Z0-9\_]+)/
modules[$5] = { :size => $4, :refcount => $2 }
end
end
modules
end
# windows
def machine_lookup(sys_type)
return "i386" if sys_type.eql?("X86-based PC")
return "x86_64" if sys_type.eql?("x64-based PC")
sys_type
end
# windows
def os_lookup(sys_type)
return "Unknown" if sys_type.to_s.eql?("0")
return "Other" if sys_type.to_s.eql?("1")
return "MSDOS" if sys_type.to_s.eql?("14")
return "WIN3x" if sys_type.to_s.eql?("15")
return "WIN95" if sys_type.to_s.eql?("16")
return "WIN98" if sys_type.to_s.eql?("17")
return "WINNT" if sys_type.to_s.eql?("18")
return "WINCE" if sys_type.to_s.eql?("19")
return nil
end
collect_data(:default) do
kernel init_kernel
end
collect_data(:darwin) do
kernel init_kernel
kernel[:os] = kernel[:name]
so = shell_out("sysctl -n hw.optional.x86_64")
if so.stdout.split($/)[0].to_i == 1
kernel[:machine] = "x86_64"
end
modules = Mash.new
so = shell_out("kextstat -k -l")
so.stdout.lines do |line|
if line =~ /(\d+)\s+(\d+)\s+0x[0-9a-f]+\s+0x([0-9a-f]+)\s+0x[0-9a-f]+\s+([a-zA-Z0-9\.]+) \(([0-9\.]+)\)/
modules[$4] = { :version => $5, :size => $3.hex, :index => $1, :refcount => $2 }
end
end
kernel[:modules] = modules
end
collect_data(:freebsd) do
kernel init_kernel
kernel[:os] = kernel[:name]
so = shell_out("uname -i")
kernel[:ident] = so.stdout.split($/)[0]
so = shell_out("sysctl kern.securelevel")
kernel[:securelevel] = so.stdout.split($/).select { |e| e =~ /kern.securelevel: (.+)$/ }
kernel[:modules] = bsd_modules("/sbin/kldstat")
end
collect_data(:linux) do
kernel init_kernel
so = shell_out("uname -o")
kernel[:os] = so.stdout.split($/)[0]
modules = Mash.new
so = shell_out("env lsmod")
so.stdout.lines do |line|
if line =~ /([a-zA-Z0-9\_]+)\s+(\d+)\s+(\d+)/
modules[$1] = { :size => $2, :refcount => $3 }
# Making sure to get the module version that has been loaded
if File.exist?("/sys/module/#{$1}/version")
version = File.read("/sys/module/#{$1}/version").chomp.strip
modules[$1]["version"] = version unless version.empty?
end
end
end
kernel[:modules] = modules
end
collect_data(:netbsd, :openbsd) do
kernel init_kernel
kernel[:os] = kernel[:name]
so = shell_out("sysctl kern.securelevel")
kernel[:securelevel] = so.stdout.split($/).select { |e| e =~ /kern.securelevel:\ (.+)$/ }
kernel[:modules] = bsd_modules("/usr/bin/modstat")
end
collect_data(:dragonflybsd) do
kernel init_kernel
kernel[:os] = kernel[:name]
so = shell_out("uname -i")
kernel[:ident] = so.stdout.split($/)[0]
so = shell_out("sysctl kern.securelevel")
kernel[:securelevel] = so.stdout.split($/).select { |e| e =~ /kern.securelevel: (.+)$/ }
kernel[:modules] = bsd_modules("/sbin/kldstat")
end
collect_data(:solaris2) do
kernel init_kernel
so = shell_out("uname -s")
kernel[:os] = so.stdout.split($/)[0]
so = File.open("/etc/release") { |file| file.gets }
md = /(?<update>\d.*\d)/.match(so)
kernel[:update] = md[:update] if md
modules = Mash.new
so = shell_out("modinfo")
# EXAMPLE:
# Id Loadaddr Size Info Rev Module Name
# 6 1180000 4623 1 1 specfs (filesystem for specfs)
module_description = /[\s]*([\d]+)[\s]+([a-f\d]+)[\s]+([a-f\d]+)[\s]+(?:[\-\d]+)[\s]+(?:[\d]+)[\s]+([\S]+)[\s]+\((.+)\)$/
so.stdout.lines do |line|
if mod = module_description.match(line)
modules[mod[4]] = { :id => mod[1].to_i, :loadaddr => mod[2], :size => mod[3].to_i(16), :description => mod[5] }
end
end
kernel[:modules] = modules
end
collect_data(:windows) do
require "win32ole"
require "wmi-lite/wmi"
WIN32OLE.codepage = WIN32OLE::CP_UTF8
wmi = WmiLite::Wmi.new
kernel Mash.new
host = wmi.first_of("Win32_OperatingSystem")
kernel[:os_info] = Mash.new
host.wmi_ole_object.properties_.each do |p|
kernel[:os_info][p.name.wmi_underscore.to_sym] = host[p.name.downcase]
end
kernel[:name] = "#{kernel[:os_info][:caption]}"
kernel[:release] = "#{kernel[:os_info][:version]}"
kernel[:version] = "#{kernel[:os_info][:version]} #{kernel[:os_info][:csd_version]} Build #{kernel[:os_info][:build_number]}"
kernel[:os] = os_lookup(kernel[:os_info][:os_type]) || languages[:ruby][:host_os]
host = wmi.first_of("Win32_ComputerSystem")
kernel[:cs_info] = Mash.new
cs_info_blacklist = [
"oem_logo_bitmap",
]
host.wmi_ole_object.properties_.each do |p|
if !cs_info_blacklist.include?(p.name.wmi_underscore)
kernel[:cs_info][p.name.wmi_underscore.to_sym] = host[p.name.downcase]
end
end
kernel[:machine] = machine_lookup("#{kernel[:cs_info][:system_type]}")
end
end
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