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require 'singleton'
require 'specinfra/command_result'
module Specinfra
module Backend
class Base
def self.instance
@instance ||= self.new
end
def self.clear
@instance = nil
end
def initialize(config = {})
@config = config
end
def get_config(key)
@config[key] || Specinfra.configuration.send(key)
end
def set_config(key, value)
@config[key] = value
end
def os_info
return @os_info if @os_info
Specinfra::Helper::DetectOs.subclasses.each do |klass|
if @os_info = klass.new(self).detect
@os_info[:arch] ||= self.run_command('uname -m').stdout.strip
return @os_info
end
end
raise NotImplementedError, 'OS detection failed.'
end
def command
CommandFactory.new(os_info)
end
def host_inventory
@inventory ||= HostInventory.new(self)
end
def set_example(e)
@example = e
end
def stdout_handler=(block)
@stdout_handler = block
end
def stderr_handler=(block)
@stderr_handler = block
end
end
end
end
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