def from_iscsi_connection(id):
for line in execute('iscsiadm', '-m', 'session').split('\n'):
if re.search(id, line):
conn = re.split('\s*', line)
ip, port, _ = re.split(':|,', conn[2])
print conn[3], ip, port
return ISCSIDevice(conn[3], ip, port)
raise RuntimeError("Unable to find iscsi connection for '%s'" % id)
def copy(self, src, dest):
"""
Copy all data from one volume to another
> lunr-storage-admin tools copy \
/dev/lunr-volume/8275d343-365b-4966-a652-43271adbe9e5 \
/dev/lunr-volume/b206deda-df9f-473c-8a72-b3df09dd3b1d
"""
helper = self.load_conf(self.config)
if not os.path.exists(src):
src = helper.volumes.get(src)['path']
if not os.path.exists(dest):
dest = helper.volumes.get(dest)['path']
if not confirm("Copy from '%s' to '%s'" % (src, dest)):
return
ISCSIDevice.copy_volume(src, dest)
def copy(self, src, dest):
"""
Copy all data from one volume to another
> lunr-storage-admin tools copy \
/dev/lunr-volume/8275d343-365b-4966-a652-43271adbe9e5 \
/dev/lunr-volume/b206deda-df9f-473c-8a72-b3df09dd3b1d
"""
helper = self.load_conf(self.config)
if not os.path.exists(src):
src = helper.volumes.get(src)['path']
if not os.path.exists(dest):
dest = helper.volumes.get(dest)['path']
if not confirm("Copy from '%s' to '%s'" % (src, dest)):
return
ISCSIDevice.copy_volume(src, dest)
def create_clone(self, volume_id, clone_id, iqn, iscsi_ip, iscsi_port,
callback=None, lock=None, cinder=None):
volume = self.get(volume_id)
size = volume['size'] / 1024 / 1024 / 1024
logger.info("Cloning source '%s' to volume '%s'" %
(volume_id, clone_id))
snapshot_name = uuid.uuid4()
snapshot = self.create_snapshot(volume_id, snapshot_name,
clone_id=clone_id, type_='clone')
logger.info("Snapshot to clone id: '%s'" % snapshot['id'])
try:
new_volume = ISCSIDevice(iqn, iscsi_ip, iscsi_port)
new_volume.connect()
except (ISCSILoginFailed, ISCSINotConnected):
msg = "Unable to open iscsi connection to %s:%s - %s" % \
(iscsi_ip, iscsi_port, iqn)
logger.error(msg)
self.delete(snapshot['id'])
raise ServiceUnavailable(msg)
spawn(lock, self._copy_clone, snapshot, clone_id, size, new_volume,
cinder, callback=callback, skip_fork=self.skip_fork)
def create_clone(self, volume_id, clone_id, iqn, iscsi_ip, iscsi_port,
callback=None, lock=None, cinder=None):
volume = self.get(volume_id)
size = volume['size'] / 1024 / 1024 / 1024
logger.info("Cloning source '%s' to volume '%s'" %
(volume_id, clone_id))
snapshot_name = uuid.uuid4()
snapshot = self.create_snapshot(volume_id, snapshot_name,
clone_id=clone_id, type_='clone')
logger.info("Snapshot to clone id: '%s'" % snapshot['id'])
try:
new_volume = ISCSIDevice(iqn, iscsi_ip, iscsi_port)
new_volume.connect()
except (ISCSILoginFailed, ISCSINotConnected):
msg = "Unable to open iscsi connection to %s:%s - %s" % \
(iscsi_ip, iscsi_port, iqn)
logger.error(msg)
self.delete(snapshot['id'])
raise ServiceUnavailable(msg)
spawn(lock, self._copy_clone, snapshot, clone_id, size, new_volume,
cinder, callback=callback, skip_fork=self.skip_fork)
