def addIscsiNode(iface, target, credentials=None):
# There are 2 formats for an iSCSI node record. An old style format where
# the path is /var/lib/iscsi/nodes/{target}/{portal} and a new style format
# where the portal path is a directory containing a record file for each
# bounded iface. Explicitly specifying tpgt on iSCSI login imposes creation
# of the node record in the new style format which enables to access a
# portal through multiple ifaces for multipathing.
with _iscsiadmTransactionLock:
iscsiadm.node_new(iface.name, target.address, target.iqn)
try:
if credentials is not None:
for key, value in credentials.getIscsiadmOptions():
key = "node.session." + key
iscsiadm.node_update(iface.name, target.address,
target.iqn, key, value,
hideValue=True)
setRpFilterIfNeeded(iface.netIfaceName, target.portal.hostname,
True)
iscsiadm.node_login(iface.name, target.address, target.iqn)
iscsiadm.node_update(iface.name, target.address, target.iqn,
"node.startup", "manual")
except:
removeIscsiNode(iface, target)
raise
def loginToIscsiNode(iface, target):
log.info("Logging in to iscsi target %s via iface %s", target, iface.name)
try:
iscsiadm.node_login(iface.name, target.address, target.iqn)
except:
removeIscsiNode(iface, target)
raise
def loginToIscsiNode(iface, target):
log.info("Logging in to iscsi target %s via iface %s", target, iface.name)
try:
iscsiadm.node_login(iface.name, target.address, target.iqn)
except iscsiadm.IscsiSessionExists:
# We are already logged in to this node, fail the request keeping the
# existing session.
raise
except:
removeIscsiNode(iface, target)
raise