def nbd(self, version_uid, bind_address, bind_port, read_only):
from backy2.enterprise.nbdserver import Server as NbdServer
from backy2.enterprise.nbd import BackyStore
backy = self.backy()
config_NBD = self.Config(section='NBD')
config_DEFAULTS = self.Config(section='DEFAULTS')
hash_function = getattr(hashlib, config_DEFAULTS.get('hash_function', 'sha512'))
store = BackyStore(
backy, cachedir=config_NBD.get('cachedir'),
hash_function=hash_function,
)
addr = (bind_address, bind_port)
server = NbdServer(addr, store, read_only)
logger.info("Starting to serve nbd on %s:%s" % (addr[0], addr[1]))
logger.info("You may now start")
logger.info(" nbd-client -l %s -p %s" % (addr[0], addr[1]))
logger.info("and then get the backup via")
logger.info(" modprobe nbd")
logger.info(" nbd-client -N <version> %s -p %s /dev/nbd0" % (addr[0], addr[1]))
server.serve_forever()
def nbd(self, version_uid, bind_address, bind_port, read_only):
try:
from backy2.enterprise.nbdserver import Server as NbdServer
from backy2.enterprise.nbd import BackyStore
except ImportError:
logger.error('NBD is available in the Enterprise Version only.')
sys.exit(21)
backy = self.backy()
config_NBD = self.Config(section='NBD')
config_DEFAULTS = self.Config(section='DEFAULTS')
hash_function = getattr(hashlib, config_DEFAULTS.get('hash_function', 'sha512'))
store = BackyStore(
backy, cachedir=config_NBD.get('cachedir'),
hash_function=hash_function,
)
addr = (bind_address, bind_port)
server = NbdServer(addr, store, read_only)
logger.info("Starting to serve nbd on %s:%s" % (addr[0], addr[1]))
logger.info("You may now start")
logger.info(" nbd-client -l %s -p %s" % (addr[0], addr[1]))
logger.info("and then get the backup via")
logger.info(" modprobe nbd")
logger.info(" nbd-client -N <version> %s -p %s /dev/nbd0" % (addr[0], addr[1]))
server.serve_forever()