Add support for an --image flag to atest.

scheduler/monitor_db.py

 #!/usr/bin/python -u
 
 """
 Autotest scheduler
 """
 
 
 import common
 import datetime, errno, optparse, os, pwd, Queue, re, shutil, signal
 import smtplib, socket, stat, subprocess, sys, tempfile, time, traceback, urllib
@@ skipping 233 matching lines @@
             object was supplied, this will be used to lookup the Job object.
     """
     autoserv_argv = [_autoserv_path, '-p',
                      '-r', drone_manager.WORKING_DIRECTORY]
     if machines:
         autoserv_argv += ['-m', machines]
     if job or queue_entry:
         if not job:
             job = queue_entry.job
         autoserv_argv += ['-u', job.owner, '-l', job.name]
+        if job.is_image_update_job():
+            autoserv_argv += ['--image', job.update_image_path]
     if verbose:
         autoserv_argv.append('--verbose')
     return autoserv_argv + extra_args
 
 
 class SchedulerError(Exception):
     """Raised by HostScheduler when an inconsistent state occurs."""
 
 
 class HostScheduler(metahost_scheduler.HostSchedulingUtility):
@@ skipping 2334 matching lines @@
             paired_process = self._paired_with_monitor().get_process()
             _drone_manager.write_lines_to_file(
                     failed_file, ['Archiving failed with exit code %s'
                                   % self.monitor.exit_code()],
                     paired_with_process=paired_process)
         self._set_all_statuses(self._final_status())
 
 
 if __name__ == '__main__':
     main()