Method: Utilities#execute_shell

Defined in:
lib/utilities.rb

#execute_shell(command, sensitive_data = nil) ⇒ Object

Executes a command via shell

Attributes

  • command - command to execute on command line

Returns

  • command_run hash => <results>, stderr => any errors, pid => process id, status => exit_code



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# File 'lib/utilities.rb', line 49

def execute_shell(command, sensitive_data = nil)
  escaped_command = command.gsub("\\", "\\\\")

  loggable_command = BrpmAuto.privatize(escaped_command, sensitive_data)
  BrpmAuto.log "Executing '#{loggable_command}'..."

  cmd_result = {"stdout" => "","stderr" => "", "pid" => "", "status" => 1}

  output_dir = File.join(BrpmAuto.params.output_dir,"#{precision_timestamp}")
  errfile = "#{output_dir}_stderr.txt"
  complete_command = "#{escaped_command} 2>#{errfile}" unless is_windows?
  fil = File.open(errfile, "w+")
  fil.close

  begin
    cmd_result["stdout"] = `#{complete_command}`
    status = $?
    cmd_result["pid"] = status.pid
    cmd_result["status"] = status.to_i

    fil = File.open(errfile)
    stderr = fil.read
    fil.close

    if stderr.length > 2
      BrpmAuto.log "Command generated an error: #{stderr}"
      cmd_result["stderr"] = stderr
    end
  rescue Exception => e
    BrpmAuto.log "Command generated an error: #{e.message}"
    BrpmAuto.log "Back trace:\n#{e.backtrace}"

    cmd_result["status"] = -1
    cmd_result["stderr"] = "ERROR\n#{e.message}"
  end

  File.delete(errfile)

  cmd_result
end