def connect(self):
self.device_info = connector.connect_volume(self.connection)
self.device_path = self.device_info['path']
print "VMThunder: Path OK! device_path = ", self.device_path
self.connected = True
LOG.debug("VMThunder: connect to path: %s", str(self))
return self.device_path
def connect(self):
self.device_info = connector.connect_volume(self.connection)
self.device_path = self.device_info['path']
print "VMThunder: Path OK! device_path = ", self.device_path
self.connected = True
LOG.debug("VMThunder: connect to path: %s", str(self))
return self.device_path
def connect(self):
device_info = connector.connect_volume(self.connection)
self.device_info = device_info
self.device_path = self.device_info['path']
self.connected = True
LOG.debug("VMThunder: connect to path: %s", str(self))
return self.device_path
def __init__(self, session, name, snapshot_connection):
self.connection = snapshot_connection
snapshot_info = connector.connect_volume(snapshot_connection)
snapshot_link = snapshot_info['path']
if os.path.exists(snapshot_link):
self.snapshot_link = snapshot_link
else:
raise Exception("Could NOT find snapshot link file %s!" % snapshot_link)
snapshot_dev = os.path.realpath(self.snapshot_link)
if os.path.exists(snapshot_dev) or snapshot_dev == snapshot_link:
super(StackBDImage, self).__init__(session, name, snapshot_dev)
else:
raise Exception("Could NOT find snapshot device %s!" % snapshot_dev)
def create_snapshot(self):
LOG.debug("VMThunder: creating a snapshot for the VM instance")
self.device_info = connector.connect_volume(self.connection)
#snapshot_link is a symlink, like /dev/disk/by-path/xxx
self.snapshot_link = self.device_info['path']
if not os.path.exists(self.snapshot_link):
raise Exception("ERROR! Could NOT find snapshot path file %s!" % self.snapshot_link)
#snapshot_dev: like /dev/sd*, mounted from remote volume, like Cinder Volume
self.snapshot_dev = os.path.realpath(self.snapshot_link)
if not os.path.exists(self.snapshot_dev):
raise Exception("ERROR! Could NOT find snapshot device %s!" % self.snapshot_dev)
if self.snapshot_with_cache:
self.snapshot_path = self._create_cache(self.snapshot_dev)
else:
self.snapshot_path = self.snapshot_dev
return self.snapshot_path, self.snapshot_link
def create_snapshot(self):
LOG.debug("VMThunder: creating a snapshot for the VM instance")
self.device_info = connector.connect_volume(self.connection)
#snapshot_link is a symlink, like /dev/disk/by-path/xxx
self.snapshot_link = self.device_info['path']
if not os.path.exists(self.snapshot_link):
raise Exception("ERROR! Could NOT find snapshot path file %s!" % self.snapshot_link)
#snapshot_dev: like /dev/sd*, mounted from remote volume, like Cinder Volume
self.snapshot_dev = os.path.realpath(self.snapshot_link)
if not os.path.exists(self.snapshot_dev):
raise Exception("ERROR! Could NOT find snapshot device %s!" % self.snapshot_dev)
if self.snapshot_with_cache:
self.snapshot_path = self._create_cache(self.snapshot_dev)
else:
self.snapshot_path = self.snapshot_dev
LOG.debug(
"VMThunder: success! snapshot_path = %s snapshot_link = %s" % (self.snapshot_path, self.snapshot_link))
return self.snapshot_path, self.snapshot_link
def _login_target(self, connections):
"""This method is to login target and return the connected_paths
connection_properties for iSCSI must include:
target_portal - ip and optional port
target_iqn - iSCSI Qualified Name
target_lun - LUN id of the volume_name
"""
connected_paths = []
for connection in connections:
if self._connection_exits(connection) is False:
LOG.debug("iscsi login target according the connection :")
LOG.debug(connection)
device_info = connector.connect_volume(connection)
path = device_info['path']
path = os.path.realpath(path)
self._add_target_path_dict(connection, path)
connected_paths.append(path)
self.connections.append(connection)
return connected_paths
def __init__(self, vm_name, session, snapshot_connection):
self.vm_name = vm_name
self.connection = snapshot_connection
snapshot_info = connector.connect_volume(snapshot_connection)
snapshot_link = snapshot_info['path']
if os.path.exists(snapshot_link):
self.snapshot_link = snapshot_link
else:
raise Exception("Could NOT find snapshot link file %s!" % snapshot_link)
snapshot_dev = os.path.realpath(self.snapshot_link)
if os.path.exists(snapshot_dev) or snapshot_dev == snapshot_link:
self.snapshot_dev = snapshot_dev
else:
raise Exception("Could NOT find snapshot device %s!" % snapshot_dev)
self.session = session
self.volume_name = session.volume_name
self.snapshot_path = ''
self.has_link = False
LOG.debug("creating a instance of name %s " % self.vm_name)
