Class: Taskr::Actions::Shell

Inherits:
Base
  • Object
show all
Defined in:
lib/taskr/actions.rb

Instance Attribute Summary

Attributes inherited from Base

#parameters, #task, #task_action

Instance Method Summary collapse

Methods inherited from Base

#initialize, #to_s, #trigger

Constructor Details

This class inherits a constructor from Taskr::Actions::Base

Instance Method Details

#execute ⇒ Object 



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# File 'lib/taskr/actions.rb', line 135

def execute
  if parameters.kind_of? Hash
    user = parameters['as_user']
    cmd = parameters['command']
  else
    user = nil
  end
  
  unless user.blank?
    cmd = "sudo -u #{user} #{cmd}"
  end
  
  outio = StringIO.new
  errio = StringIO.new
  old_stdout, $stdout = $stdout, outio
  old_stderr, $stderr = $stderr, errio
  
  out = `#{cmd}`
  
  err = errio.string
  out = outio.string
  LogEntry.debug(task_action, out) unless out.blank?
  LogEntry.error(task_action, err) unless err.blank?
  
  $stdout = old_stdout
  $stderr = old_stderr
  
  unless $?.success?
    msg = "Shell command #{cmd.inspect} failed (returned code #{$?}): #{out}"
    LogEntry.error(task_action, msg)
    raise msg
  end
end