def get_option_default(opt_name, opt_class):
try:
default_opt = settings.get('DEFAULT', opt_name)
default_val = opt_class(default_opt)
except (ConfigParser.NoOptionError, ValueError):
default_val = None
return default_val
def install(name=None, confirm=True):
"""Install a system image to the local hard disk.
If a `name` is provided, select that image for installation.
If `confirm` is true, give the chance to cancel installation before
proceeding.
"""
# Customizations are passed as environment variables.
env = os.environ.copy()
if name is not None:
env['IMAGE_NAME'] = name
env['CONFIRM'] = 'yes' if confirm else 'no'
env['SERVER'] = settings.get('server', 'address')
env['REMOTE_MP'] = settings.get('installer', 'remote_mp')
env['IMAGE_DIR'] = settings.get('installer', 'image_dir')
env['REMOTE_TYPE'] = 'CIFS'
env['HD_SWAP'] = 'AUTO'
env['HD_ROOT'] = 'FILL'
subprocess.check_call(['di-install-image'], env=env)
def main(argv=None):
if not os.geteuid() == 0:
sys.exit("Only root can run this script")
# configure logging
setup_logging()
logger = logging.getLogger(__name__)
parser = argparse.ArgumentParser()
# allow enabling/disabling debug mode
group = parser.add_mutually_exclusive_group()
group.add_argument('--debug', action='store_true',
help='enable debug mode (extended output file!)')
group.add_argument('--no-debug', dest='debug', action='store_false',
help='disable debug mode')
parser.set_defaults(debug=None)
parser.add_argument('--smart', choices=['none', 'short', 'long'])
parser.add_argument('--erase', choices=['ask', 'yes', 'no'])
parser.add_argument('--stress', metavar='MINUTES', type=int,
help='run stress test for the given MINUTES (0 to disable, default)')
parser.add_argument('--install', choices=['ask', 'yes', 'no'],
help='install a system image ("yes" avoids confirmation)')
parser.add_argument('--image-name', metavar='NAME',
help='select the system image with the given NAME for installation')
parser.add_argument('--settings',
help='file to be loaded as config file')
args = parser.parse_args()
# try to get custom config file from PXE server
server = settings.get('server', 'address')
username = settings.get('server', 'username')
password = settings.get('server', 'password')
localpath = '/tmp/remote_custom_config.ini'
remotepath = '/home/ereuse/config.ini'
try:
storage.get_file_from_server(remotepath, localpath, username, password, server)
except Exception as e: # TODO catch specific exceptions to avoid mask errors
logging.error("Error retrieving config file '%s' from server '%s'",
remotepath, server)
logging.debug(e)
else:
print("Loading configuration from '%s'" % localpath)
settings.load_config(config_file=localpath)
# load specified config file (if any)
if args.settings:
cfg = settings.load_config(config_file=args.settings)
# override settings with command line args
if args.smart:
settings.set('DEFAULT', 'smart', args.smart)
if args.erase:
settings.set('eraser', 'erase', args.erase)
if args.stress is not None:
settings.set('DEFAULT', 'stress', str(args.stress))
if args.install is not None:
settings.set('installer', 'install', args.install)
if args.image_name is not None:
settings.set('installer', 'image_name', args.image_name)
if args.debug is not None:
settings.set('DEFAULT', 'debug', str(args.debug).lower())
debug = settings.getboolean('DEFAULT', 'debug')
user_input = get_user_input()
kwargs = dict(type=user_input.pop('device_type'),
smart=args.smart)
device = Computer(**kwargs)
# TODO move smart call here!!!
# call eraser for every hard disk!
for hd in device.hard_disk:
hd.erasure = eraser.do_erasure(hd.logical_name)
hd.benchmark = benchmark_hdd(hd.logical_name)
# FIXME hack to exclude logical_name from serialization
# create serializer where you can exclude fields
delattr(hd, 'logical_name')
data = serializers.export_to_devicehub_schema(device, user_input, debug)
# Add a temporary, meaningless unique identifier just to avoid uploading
# the very same file twice (this doesn't cover the case of e.g. running
# the inventory twice on the same machine with different labels). See
# issue #57.
data['_uuid'] = str(uuid.uuid4()) # random UUID
# TODO save on the home
filebase = ((data.get('label') or device.verbose_name)
.replace(':', '-')
.replace(os.path.sep, '-'))
filename = "{0}.json".format(filebase) # get_option
localpath = os.path.join("/tmp", filename)
with open(localpath, "w") as outfile:
json.dump(data, outfile, indent=4, sort_keys=True, cls=InvEncoder)
# sign output
if settings.getboolean('signature', 'sign_output'):
signed_data = utils.sign_data(json.dumps(data, indent=4, sort_keys=True, cls=InvEncoder))
filename = "{0}.json.asc".format(filebase)
localpath = os.path.join("/tmp", filename)
with open(localpath, "w") as outfile:
outfile.write(signed_data)
# send files to the PXE Server
if settings.getboolean('DEFAULT', 'sendtoserver'):
remotepath = os.path.join(settings.get('server', 'remotepath'), filename)
username = settings.get('server', 'username')
password = settings.get('server', 'password')
server = settings.get('server', 'address')
try:
storage.copy_file_to_server(localpath, remotepath, username, password, server)
print("The file `{0}` has been successfully sent to the server.".format(localpath))
except Exception as e:
logger.error("Error copying file '%s' to server '%s'", localpath, server)
logger.debug(e, exc_info=True)
# copy file to an USB drive
if settings.getboolean('DEFAULT', 'copy_to_usb'):
try:
storage.copy_file_to_usb(localpath)
except KeyboardInterrupt:
print("Copy to USB cancelled by user!")
except Exception as e:
logger.error("Error copying file '%s' to USB", localpath)
logger.debug(e, exc_info=True)
# run stress test
stress_mins = settings.getint('DEFAULT', 'stress')
if stress_mins > 0:
print("Performing stress test for %d minutes, press Ctrl+C at any time to cancel." % stress_mins)
try:
if stress(stress_mins):
print("Stress test succeeded.")
else:
print("Stress test failed, please note this down.")
except KeyboardInterrupt:
print("Stress test cancelled by user!")
except Exception as e:
logger.error("Error running stress test")
logger.debug(e, exc_info=True)
else:
print("Skipping stress test (not enabled in remote configuration file).")
# install system image
install_image = settings.get('installer', 'install')
if install_image in ('yes', 'ask'):
image_name = settings.get('installer', 'image_name')
print("Starting installation of system image.")
try:
install(name=image_name, confirm=(install_image == 'ask'))
except KeyboardInterrupt:
print("System installation cancelled by user!")
except Exception as e:
logger.error("Error installing system image")
logger.debug(e, exc_info=True)
else:
print("Skipping installation (not enabled in remote configuration file).")
print("Device Inventory has finished properly: {0}".format(localpath))