/usr/lib/ruby/vendor_ruby/ohai/plugins/linux/platform.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>)
# Copyright:: Copyright (c) 2015-2016 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(:Platform) do
provides "platform", "platform_version", "platform_family"
depends "lsb"
def get_redhatish_platform(contents)
contents[/^Red Hat/i] ? "redhat" : contents[/(\w+)/i, 1].downcase
end
def get_redhatish_version(contents)
contents[/Rawhide/i] ? contents[/((\d+) \(Rawhide\))/i, 1].downcase : contents[/release ([\d\.]+)/, 1]
end
#
# Reads an os-release-info file and parse it into a hash
#
# @param file [String] the filename to read (e.g. '/etc/os-release')
#
# @returns [Hash] the file parsed into a Hash or nil
#
def read_os_release_info(file)
return nil unless File.exist?(file)
File.read(file).split.inject({}) do |map, line|
key, value = line.split("=")
map[key] = value.gsub(/\A"|"\Z/, "") if value
map
end
end
#
# Cached /etc/os-release info Hash. Also has logic for Cisco Nexus
# switches that pulls the chained CISCO_RELEASE_INFO file into the Hash (other
# distros can also reuse this method safely).
#
# @returns [Hash] the canonical, cached Hash of /etc/os-release info or nil
#
def os_release_info
@os_release_info ||=
begin
os_release_info = read_os_release_info("/etc/os-release")
cisco_release_info = os_release_info["CISCO_RELEASE_INFO"] if os_release_info
if cisco_release_info && File.exist?(cisco_release_info)
os_release_info.merge!(read_os_release_info(cisco_release_info))
end
os_release_info
end
end
#
# If /etc/os-release indicates we are Cisco based
#
# @returns [Boolean] if we are Cisco according to /etc/os-release
#
def os_release_file_is_cisco?
File.exist?("/etc/os-release") && os_release_info["CISCO_RELEASE_INFO"]
end
collect_data(:linux) do
# platform [ and platform_version ? ] should be lower case to avoid dealing with RedHat/Redhat/redhat matching
if File.exist?("/etc/oracle-release")
contents = File.read("/etc/oracle-release").chomp
platform "oracle"
platform_version get_redhatish_version(contents)
elsif File.exist?("/etc/enterprise-release")
contents = File.read("/etc/enterprise-release").chomp
platform "oracle"
platform_version get_redhatish_version(contents)
elsif File.exist?("/etc/debian_version")
# Ubuntu and Debian both have /etc/debian_version
# Ubuntu should always have a working lsb, debian does not by default
if lsb[:id] =~ /Ubuntu/i
platform "ubuntu"
platform_version lsb[:release]
elsif lsb[:id] =~ /LinuxMint/i
platform "linuxmint"
platform_version lsb[:release]
else
if File.exist?("/usr/bin/raspi-config")
platform "raspbian"
else
platform "debian"
end
platform_version File.read("/etc/debian_version").chomp
end
elsif File.exist?("/etc/parallels-release")
contents = File.read("/etc/parallels-release").chomp
platform get_redhatish_platform(contents)
platform_version contents.match(/(\d\.\d\.\d)/)[0]
elsif File.exist?("/etc/redhat-release")
if os_release_file_is_cisco? # Cisco guestshell
platform "nexus_centos"
platform_version os_release_info["VERSION"]
else
contents = File.read("/etc/redhat-release").chomp
platform get_redhatish_platform(contents)
platform_version get_redhatish_version(contents)
end
elsif File.exist?("/etc/system-release")
contents = File.read("/etc/system-release").chomp
platform get_redhatish_platform(contents)
platform_version get_redhatish_version(contents)
elsif File.exist?("/etc/gentoo-release")
platform "gentoo"
# the gentoo release version is the base version used to bootstrap
# a node and doesn't have a lot of meaning in a rolling release distro
# kernel release will be used - ex. 3.18.7-gentoo
platform_version `uname -r`.strip
elsif File.exist?("/etc/SuSE-release")
suse_release = File.read("/etc/SuSE-release")
suse_version = suse_release.scan(/VERSION = (\d+)\nPATCHLEVEL = (\d+)/).flatten.join(".")
suse_version = suse_release[/VERSION = ([\d\.]{2,})/, 1] if suse_version == ""
platform_version suse_version
if suse_release =~ /^openSUSE/
# opensuse releases >= 42 are openSUSE Leap
if platform_version.to_i < 42
platform "opensuse"
else
platform "opensuseleap"
end
else
platform "suse"
end
elsif File.exist?("/etc/slackware-version")
platform "slackware"
platform_version File.read("/etc/slackware-version").scan(/(\d+|\.+)/).join
elsif File.exist?("/etc/arch-release")
platform "arch"
# no way to determine platform_version in a rolling release distribution
# kernel release will be used - ex. 2.6.32-ARCH
platform_version `uname -r`.strip
elsif File.exist?("/etc/exherbo-release")
platform "exherbo"
# no way to determine platform_version in a rolling release distribution
# kernel release will be used - ex. 3.13
platform_version `uname -r`.strip
elsif File.exist?("/etc/alpine-release")
platform "alpine"
platform_version File.read("/etc/alpine-release").strip()
elsif File.exist?("/etc/Eos-release")
platform "arista_eos"
platform_version File.read("/etc/Eos-release").strip.split[-1]
platform_family "fedora"
elsif os_release_file_is_cisco?
raise "unknown Cisco /etc/os-release or /etc/cisco-release ID_LIKE field" if
os_release_info["ID_LIKE"].nil? || ! os_release_info["ID_LIKE"].include?("wrlinux")
case os_release_info["ID"]
when "nexus"
platform "nexus"
when "ios_xr"
platform "ios_xr"
else
raise "unknown Cisco /etc/os-release or /etc/cisco-release ID field"
end
platform_family "wrlinux"
platform_version os_release_info["VERSION"]
elsif lsb[:id] =~ /RedHat/i
platform "redhat"
platform_version lsb[:release]
elsif lsb[:id] =~ /Amazon/i
platform "amazon"
platform_version lsb[:release]
elsif lsb[:id] =~ /ScientificSL/i
platform "scientific"
platform_version lsb[:release]
elsif lsb[:id] =~ /XenServer/i
platform "xenserver"
platform_version lsb[:release]
elsif lsb[:id] # LSB can provide odd data that changes between releases, so we currently fall back on it rather than dealing with its subtleties
platform lsb[:id].downcase
platform_version lsb[:release]
end
case platform
when /debian/, /ubuntu/, /linuxmint/, /raspbian/
platform_family "debian"
when /fedora/, /pidora/
platform_family "fedora"
when /oracle/, /centos/, /redhat/, /scientific/, /enterpriseenterprise/, /amazon/, /xenserver/, /cloudlinux/, /ibm_powerkvm/, /parallels/, /nexus_centos/ # Note that 'enterpriseenterprise' is oracle's LSB "distributor ID"
platform_family "rhel"
when /suse/
platform_family "suse"
when /gentoo/
platform_family "gentoo"
when /slackware/
platform_family "slackware"
when /arch/
platform_family "arch"
when /exherbo/
platform_family "exherbo"
when /alpine/
platform_family "alpine"
end
end
end
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