Class: Blender::Driver::ShellOut

Inherits:
Base
  • Object
show all
Defined in:
lib/blender/drivers/shellout.rb

Instance Attribute Summary

Attributes inherited from Base

#config, #events, #stderr, #stdout

Instance Method Summary collapse

Constructor Details

#initialize(config = {}) ⇒ ShellOut

Returns a new instance of ShellOut.



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# File 'lib/blender/drivers/shellout.rb', line 23

def initialize(config = {})
  @options = {}
  cfg = config.dup
  [:user, :group, :cwd, :umask, :returns, :environment, :timeout].each do |key|
    @options[key] = cfg.delete(key) if cfg.key?(key)
  end
  super(cfg)
end

Instance Method Details

#execute(tasks, hosts) ⇒ Object 



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# File 'lib/blender/drivers/shellout.rb', line 32

def execute(tasks, hosts)
  verify_local_host!(hosts)
  tasks.each do |task|
    cmd = run_command(task.command)
    if cmd.exitstatus != 0 and !task.metadata[:ignore_failure]
      raise ExecutionFailed, cmd.stderr
    end
  end
end

#run_command(command) ⇒ Object 



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# File 'lib/blender/drivers/shellout.rb', line 42

def run_command(command)
  cmd = Mixlib::ShellOut.new(command, @options)
  begin
    cmd.live_stream = stdout
    cmd.run_command
    ExecOutput.new(cmd.exitstatus, cmd.stdout, cmd.stderr)
  rescue Errno::ENOENT => e
    ExecOutput.new(-1, '', e.message)
  end
end

#verify_local_host!(hosts) ⇒ Object 



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# File 'lib/blender/drivers/shellout.rb', line 53

def verify_local_host!(hosts)
  unless hosts.all?{|h|h == 'localhost'}
    raise UnsupportedFeature, 'This driver does not support any host other than localhost'
  end
end