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|
# frozen_string_literal: true
#
# Author:: Adam Jacob (<adam@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.
#
require "rbconfig" unless defined?(RbConfig)
module Ohai
module Mixin
module OS
# Using ruby configuration determine the OS we're running on
#
# @return [String] the OS
def collect_os
if target_mode?
collect_os_target
else
collect_os_local
end
end
# This should exactly preserve the semantics of collect_os_local below, which is authoritative
# for the API and must adhere to pre-existing ohai semantics and not follow inspec's notion of
# os/family/hierarchy.
#
# Right or wrong the ohai `os` variable has matched the ruby `host_os` definition for the past
# 10+ years, preceding inspec/train's definitions and this is the documented correct API of
# these methods. Mismatches between the ruby notion and the train version will be fixed as
# bugfixes in these methods and may not be considered semver violating even though they make
# break downstream consumers. Please ensure that both methods produce the same results if
# you are on a platform which supports running ruby (train is considered authoritative for
# any "OS" which cannot run ruby -- server consoles, REST APIs, etc...)
#
# @api private
def collect_os_target
case
when transport_connection.os.aix?
"aix"
when transport_connection.os.darwin?
"darwin"
when transport_connection.os.linux?
"linux"
when transport_connection.os.family == "freebsd"
"freebsd"
when transport_connection.os.family == "openbsd"
"openbsd"
when transport_connection.os.family == "netbsd"
"netbsd"
when transport_connection.os.family == "dragonflybsd"
"dragonflybsd"
when transport_connection.os.solaris?
"solaris2"
when transport_connection.os.windows?
"windows"
#
# The purpose of the next two lines is that anything which runs Unix is presumed to be able to run ruby, and
# if it was not caught above, we MUST translate whatever train uses as the 'os' into the proper ruby host_os
# string. If it is not unix and not caught above we assume it is something like a REST API which cannot run
# ruby. If these assumptions are incorrect then it is a bug, which should be submitted to fix it, and the
# values should not be relied upon until that bug is fixed. The train os is NEVER considered authoritative
# for any target which can run ruby.
#
when transport_connection.os.unix?
raise "Target mode unsupported on this Unix-like host, please update the collect_os_target case statement with the correct ruby host_os value."
else
# now we have something like an IPMI console that isn't Unix-like or Windows, presumably cannot run ruby, and
# so we just trust the train O/S information.
transport_connection.os.name
end
end
# @api private
def nonruby_target?
transport_connection && !transport_connection.os.unix? && !transport_connection.os.windows?
end
# @api private
def collect_os_local
case ::RbConfig::CONFIG["host_os"]
when /aix(.+)$/
"aix"
when /darwin(.+)$/
"darwin"
when /linux/
"linux"
when /freebsd(.+)$/
"freebsd"
when /openbsd(.+)$/
"openbsd"
when /netbsd(.*)$/
"netbsd"
when /dragonfly(.*)$/
"dragonflybsd"
when /solaris2/
"solaris2"
when /mswin|mingw32|windows/
# After long discussion in IRC the "powers that be" have come to a consensus
# that no Windows platform exists that was not based on the
# Windows_NT kernel, so we herby decree that "windows" will refer to all
# platforms built upon the Windows_NT kernel and have access to win32 or win64
# subsystems.
"windows"
else
::RbConfig::CONFIG["host_os"]
end
end
extend self
end
end
end
|
