mirror of
https://github.com/inspec/inspec
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122 lines
3.2 KiB
Ruby
122 lines
3.2 KiB
Ruby
# encoding: utf-8
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#
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# This is heavily based on:
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#
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# OHAI https://github.com/chef/ohai
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# by Adam Jacob, Chef Software Inc
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#
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require 'vulcano/plugins/backend_detect_darwin'
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require 'vulcano/plugins/backend_detect_linux'
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require 'vulcano/plugins/backend_detect_unix'
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require 'vulcano/plugins/backend_detect_windows'
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class Vulcano::Plugins::Backend
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class OSCommon
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include DetectDarwin
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include DetectLinux
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include DetectUnix
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include DetectWindows
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def initialize(backend, platform = nil)
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@backend = backend
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@platform = platform || {}
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detect_family
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end
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def [](key)
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@platform[key]
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end
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OS = {
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'redhat' => %w{
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redhat oracle centos fedora amazon scientific xenserver
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},
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'debian' => %w{
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debian ubuntu linuxmint raspbian
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},
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'suse' => %w{
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suse opensuse
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},
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'bsd' => %w{
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freebsd netbsd openbsd darwin
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},
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'solaris' => %w{
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solaris smartos openindiana opensolaris solaris2 nexentacore
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},
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}
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OS['linux'] = %w{alpine arch coreos exherbo gentoo slackware} +
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OS['redhat'] + OS['debian'] + OS['suse']
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OS['unix'] = %w{unix aix} + OS['linux'] + OS['solaris'] + OS['bsd']
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# Helper methods to check the OS type
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# Provides methods in the form of: linux?, unix?, solaris? ...
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OS.keys.each do |os_family|
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define_method((os_family+'?').to_sym) do
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OS[os_family].include?(@platform[:family])
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end
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end
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private
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def detect_family
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# if some information is already defined, try to verify it
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# with the remaining detection
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unless @platform[:family].nil?
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# return ok if the preconfigured family yielded a good result
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return true if detect_family_type
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# if not, reset the platform to presets and run the full detection
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# TODO: print an error message in this case, as the instantiating
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# backend is doing something wrong
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@platform = {}
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end
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# TODO: extend base implementation for detecting the family type
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# to Windows and others
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case uname_s
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when /linux/i
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@platform[:family] = 'linux'
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when /./
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@platform[:family] = 'unix'
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else
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# Don't know what this is
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@platform[:family] = nil
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end
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# try to detect the platform
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return nil unless @platform[:family].nil?
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detect_family_type
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end
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def detect_family_type
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pf = @platform[:family]
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return detect_windos if pf == 'windows'
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return detect_darwin if pf == 'darwin'
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if %w{freebsd netbsd openbsd aix solaris2}.include?(pf)
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return detect_via_uname
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end
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# unix based systems combine the above
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return true if pf == 'unix' and detect_darwin
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return true if pf == 'unix' and detect_via_uname
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# if we arrive here, we most likey have a regular linux
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detect_linux
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end
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def get_config(path)
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res = @backend.run_command("test -f #{path} && cat #{path}")
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# ignore files that can't be read
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return nil if res.exit_status != 0
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res.stdout
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end
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def unix_file?(path)
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@backend.run_command("test -f #{path}").exit_status == 0
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end
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end
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end
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