class Train::Extras::OSCommon
Constants
- OS
Public Class Methods
new(backend, platform = nil)
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# File lib/train/extras/os_common.rb, line 23 def initialize(backend, platform = nil) @backend = backend @platform = platform || {} detect_family end
Public Instance Methods
[](key)
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# File lib/train/extras/os_common.rb, line 29 def [](key) @platform[key] end
to_hash()
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# File lib/train/extras/os_common.rb, line 33 def to_hash @platform end
Private Instance Methods
detect_family()
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# File lib/train/extras/os_common.rb, line 78 def detect_family # if some information is already defined, try to verify it # with the remaining detection unless @platform[:family].nil? # return ok if the preconfigured family yielded a good result return true if detect_family_type # if not, reset the platform to presets and run the full detection # TODO: print an error message in this case, as the instantiating # backend is doing something wrong @platform = {} end # TODO: extend base implementation for detecting the family type # to Windows and others case uname_s when /linux/i @platform[:family] = 'linux' when /./ @platform[:family] = 'unix' else # Don't know what this is @platform[:family] = nil end # try to detect the platform return nil unless @platform[:family].nil? detect_family_type end
detect_family_type()
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# File lib/train/extras/os_common.rb, line 107 def detect_family_type pf = @platform[:family] return detect_windows if pf == 'windows' return detect_darwin if pf == 'darwin' if %w{freebsd netbsd openbsd aix solaris2 hpux}.include?(pf) return detect_via_uname end # unix based systems combine the above return true if pf == 'unix' and detect_darwin return true if pf == 'unix' and detect_via_uname # if we arrive here, we most likey have a regular linux detect_linux end
get_config(path)
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# File lib/train/extras/os_common.rb, line 125 def get_config(path) res = @backend.run_command("test -f #{path} && cat #{path}") # ignore files that can't be read return nil if res.exit_status != 0 res.stdout end
unix_file?(path)
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# File lib/train/extras/os_common.rb, line 132 def unix_file?(path) @backend.run_command("test -f #{path}").exit_status == 0 end