def setup_file(filename=None, level=None):
""" Add a logging file to the logging configuration
If no filename is given, we will check the config file for a valid logfile configuration.
If not found, no logging to file is configured.
"""
from candelabra.config import config
if not filename:
if config.has_section(DEFAULT_CFG_SECTION_LOGGING_FILE):
filename = config.get_key(CFG_LOG_FILE)
else:
filename = None
if filename:
if not level:
if config.has_section(DEFAULT_CFG_SECTION_LOGGING_FILE):
level = config.get_key(CFG_LOG_FILE_LEVEL)
max_log_size = long(config.get_key(CFG_LOG_FILE_MAX_LEN))
log_format_file = LOG_FILE_FORMAT_DEBUG if level == 'DEBUG' else LOG_FILE_FORMAT
# add the file
try:
hdlr = logging.handlers.RotatingFileHandler(str(filename), maxBytes=max_log_size, backupCount=1)
except IOError, e:
logging.critical('cannot create log file: %s', str(e))
sys.exit(1)
fmt = logging.Formatter(log_format_file, None)
hdlr.setFormatter(fmt)
hdlr.setLevel(level)
logging.root.addHandler(hdlr)
def __init__(self, **kwargs):
""" Initialize a VirtualBox machine
"""
super(VirtualboxMachineNode, self).__init__(**kwargs)
TopologyAttribute.setall(self, kwargs, self.__known_attributes)
# get any VirtualBox default parameters from the config file
if config.has_section(DEFAULT_CFG_SECTION_VIRTUALBOX):
self._cfg = config.items(section=DEFAULT_CFG_SECTION_VIRTUALBOX)
if len(self._cfg) > 0:
logger.debug('VirtualBox default config:')
for k, v in self._cfg:
logger.debug('... %s = %s', k, v)
setattr(self, 'default_' + k, v)
else:
self._cfg = None
self._vbox = _virtualbox.VirtualBox()
self._vbox_uuid = self.cfg_uuid if getattr(self, 'cfg_uuid', None) else None
self._vbox_machine = None
self._vbox_guest = None
self._vbox_guest_os_type = None
self._vbox_wait_events = {}
self._created_shared_folders = []
# check and fix topology parameters
if not self.cfg_gui in ['headless', 'gui']:
raise MalformedTopologyException('invalid GUI type %s', self.cfg_gui)
if not self.cfg_updown_timeout:
self.cfg_updown_timeout = config.get_key(CFG_MACHINE_UPDOWN_TIMEOUT)
if not self.cfg_userland_timeout:
self.cfg_userland_timeout = config.get_key(CFG_USERLAND_TIMEOUT)
if not self.cfg_commands_timeout:
self.cfg_commands_timeout = config.get_key(CFG_MACHINE_COMMANDS_TIMEOUT)
# create a communicator for this machine
self.communicator = build_communicator_instance(_class='virtualbox', machine=self)
def _get_provider_class_from_dict(**kwargs):
""" Get a a provider class from a dictionary
"""
for name in ['class', 'cfg_class', '_class']:
if name in kwargs:
return kwargs[name]
for alternative in ['_container', '_parent']:
if alternative in kwargs:
alternative_attr = kwargs[alternative]
if alternative_attr:
for name in ['class', 'cfg_class', '_class']:
if hasattr(alternative_attr, name):
return getattr(alternative_attr, name)
return config.get_key(CFG_DEFAULT_PROVIDER)
def __init__(self, **kwargs):
""" Initialize a machines definition
"""
super(MachineNode, self).__init__(**kwargs)
# set the default class for nodes if it has not been set
if not self.cfg_class:
self.cfg_class = config.get_key(CFG_DEFAULT_PROVIDER)
logger.debug('using default node class: %s', self.cfg_class)
TopologyAttribute.setall(self, kwargs, self.__known_attributes)
self.guest = None
self.communicator = None
# validate the attributes
if not self.cfg_name and not self.is_global:
raise MalformedTopologyException('machines must have a name')
def get_storage_root():
""" Get the storage root for boxes
"""
d = config.get_key(CFG_BOXES_PATH)
return os.path.expandvars(d) if d else d
