def _checkTargetStr(self, location):
if 'type' not in self.dconf:
return
if self.dconf['type'] == 'cifs':
tgt = ''
if re.search('^//', location):
tgt = location.split('/')[2]
elif re.search(r'^\\', location):
l = location.split('\\')
for i in location.split('\\'):
if i:
tgt = i
break
if not tgt:
raise xs_errors.XenError('ISOLocationStringError')
else:
if location.find(':') == -1:
raise xs_errors.XenError('ISOLocationStringError')
tgt = location.split(':')[0]
try:
util._convertDNS(tgt)
except:
raise xs_errors.XenError('DNSError')
def load(self, sr_uuid):
required = ['target', 'pool', 'image', 'user', 'auth']
for item in required:
if not self.dconf.has_key(item) or not self.dconf[item]:
raise xs_errors.XenError('ConfigParamsMissing')
if not self.dconf.has_key('port'):
self.dconf['port'] = DEFAULT_PORT
targets = []
try:
target_string = self.dconf['target'].split(',')
for target in self.dconf['target'].split(','):
address = util._convertDNS(target)
if ':' in address:
targets.append('[%s]' % address)
else:
target.append(address)
util.SMlog('successfully resolved addresses to %s' % targets)
self.targetlist = ','.join(targets)
self.target = targets[0]
self.dconf['targetlist'] = self.targetlist
except:
raise xs_errors.XenError('DNSError')
if self.dconf.has_key('pool') and not self.dconf.has_key('image'):
raise Exception('Only CLI with all parameters supported')
elif self.dconf.has_key('image'):
self.attached = os.path.exists('/dev/disk/by-id/scsi-%s' %
self.dconf['image'])
self.path = '/dev/disk/by-id/scsi-%s' % self.dconf['image']
if os.path.exists(
'/var/lock/sm/%s/sr' % sr_uuid) and not self.attached:
self.attach(sr_uuid)
else:
raise Exception('Only CLI with all parameters supported')
self.dconf['device'] = self.path
LVHDSR.LVHDSR.load(self, sr_uuid)
def load(self, sr_uuid):
if not sr_uuid:
# This is a probe call, generate a temp sr_uuid
sr_uuid = util.gen_uuid()
driver = SR.driver('iscsi')
if self.original_srcmd.dconf.has_key('target'):
self.original_srcmd.dconf['targetlist'] = self.original_srcmd.dconf['target']
iscsi = driver(self.original_srcmd, sr_uuid)
self.iscsiSRs = []
self.iscsiSRs.append(iscsi)
if self.dconf['target'].find(',') == 0 or self.dconf['targetIQN'] == "*":
# Instantiate multiple sessions
self.iscsiSRs = []
if self.dconf['targetIQN'] == "*":
IQN = "any"
else:
IQN = self.dconf['targetIQN']
dict = {}
IQNstring = ""
IQNs = []
try:
if self.dconf.has_key('multiSession'):
IQNs = self.dconf['multiSession'].split("|")
for IQN in IQNs:
if IQN:
dict[IQN] = ""
else:
try:
IQNs.remove(IQN)
except:
# Exceptions are not expected but just in case
pass
# Order in multiSession must be preserved. It is important for dual-controllers.
# IQNstring cannot be built with a dictionary iteration because of this
IQNstring = self.dconf['multiSession']
else:
for tgt in self.dconf['target'].split(','):
try:
tgt_ip = util._convertDNS(tgt)
except:
raise xs_errors.XenError('DNSError')
iscsilib.ensure_daemon_running_ok(iscsi.localIQN)
map = iscsilib.discovery(tgt_ip,iscsi.port,iscsi.chapuser,iscsi.chappassword,targetIQN=IQN)
util.SMlog("Discovery for IP %s returned %s" % (tgt,map))
for i in range(0,len(map)):
(portal,tpgt,iqn) = map[i]
(ipaddr, port) = iscsilib.parse_IP_port(portal)
try:
util._testHost(ipaddr, long(port), 'ISCSITarget')
except:
util.SMlog("Target Not reachable: (%s:%s)" % (ipaddr, port))
continue
key = "%s,%s,%s" % (ipaddr,port,iqn)
dict[key] = ""
# Again, do not mess up with IQNs order. Dual controllers will benefit from that
if IQNstring == "":
# Compose the IQNstring first
for key in dict.iterkeys(): IQNstring += "%s|" % key
# Reinitialize and store iterator
key_iterator = dict.iterkeys()
else:
key_iterator = IQNs
# Now load the individual iSCSI base classes
for key in key_iterator:
(ipaddr,port,iqn) = key.split(',')
srcmd_copy = copy.deepcopy(self.original_srcmd)
srcmd_copy.dconf['target'] = ipaddr
srcmd_copy.dconf['targetIQN'] = iqn
srcmd_copy.dconf['multiSession'] = IQNstring
util.SMlog("Setting targetlist: %s" % srcmd_copy.dconf['targetlist'])
self.iscsiSRs.append(driver(srcmd_copy, sr_uuid))
pbd = util.find_my_pbd(self.session, self.host_ref, self.sr_ref)
if pbd <> None and not self.dconf.has_key('multiSession'):
dconf = self.session.xenapi.PBD.get_device_config(pbd)
dconf['multiSession'] = IQNstring
self.session.xenapi.PBD.set_device_config(pbd, dconf)
except:
util.logException("LVHDoISCSISR.load")
self.iscsi = self.iscsiSRs[0]
# Be extremely careful not to throw exceptions here since this function
# is the main one used by all operations including probing and creating
pbd = None
try:
pbd = util.find_my_pbd(self.session, self.host_ref, self.sr_ref)
except:
pass
# Apart from the upgrade case, user must specify a SCSIid
if not self.dconf.has_key('SCSIid'):
# Dual controller issue
self.LUNs = {} # Dict for LUNs from all the iscsi objects
for ii in range(0, len(self.iscsiSRs)):
self.iscsi = self.iscsiSRs[ii]
self._LUNprint(sr_uuid)
for key in self.iscsi.LUNs:
self.LUNs[key] = self.iscsi.LUNs[key]
self.print_LUNs_XML()
self.iscsi = self.iscsiSRs[0] # back to original value
raise xs_errors.XenError('ConfigSCSIid')
self.SCSIid = self.dconf['SCSIid']
# This block checks if the first iscsi target contains the right SCSIid.
# If not it scans the other iscsi targets because chances are that more
# than one controller is present
dev_match = False
forced_login = False
# No need to check if only one iscsi target is present
if len(self.iscsiSRs) == 1:
pass
else:
target_success = False
attempt_discovery = False
for iii in range(0, len(self.iscsiSRs)):
# Check we didn't leave any iscsi session open
# If exceptions happened before, the cleanup function has worked on the right target.
if forced_login == True:
try:
iscsilib.ensure_daemon_running_ok(self.iscsi.localIQN)
iscsilib.logout(self.iscsi.target, self.iscsi.targetIQN)
forced_login = False
except:
raise xs_errors.XenError('ISCSILogout')
self.iscsi = self.iscsiSRs[iii]
util.SMlog("path %s" %self.iscsi.path)
util.SMlog("iscsci data: targetIQN %s, portal %s" % (self.iscsi.targetIQN, self.iscsi.target))
iscsilib.ensure_daemon_running_ok(self.iscsi.localIQN)
if not iscsilib._checkTGT(self.iscsi.targetIQN):
attempt_discovery = True
try:
# Ensure iscsi db has been populated
map = iscsilib.discovery(
self.iscsi.target,
self.iscsi.port,
self.iscsi.chapuser,
self.iscsi.chappassword,
targetIQN=self.iscsi.targetIQN)
if len(map) == 0:
util.SMlog("Discovery for iscsi data targetIQN %s,"
" portal %s returned empty list"
" Trying another path if available" %
(self.iscsi.targetIQN,
self.iscsi.target))
continue
except:
util.SMlog("Discovery failed for iscsi data targetIQN"
" %s, portal %s. Trying another path if"
" available" %
(self.iscsi.targetIQN, self.iscsi.target))
continue
try:
iscsilib.login(self.iscsi.target,
self.iscsi.targetIQN,
self.iscsi.chapuser,
self.iscsi.chappassword,
self.iscsi.incoming_chapuser,
self.iscsi.incoming_chappassword,
self.mpath == "true")
except:
util.SMlog("Login failed for iscsi data targetIQN %s,"
" portal %s. Trying another path"
" if available" %
(self.iscsi.targetIQN, self.iscsi.target))
continue
target_success = True;
forced_login = True
# A session should be active.
if not util.wait_for_path(self.iscsi.path, ISCSISR.MAX_TIMEOUT):
util.SMlog("%s has no associated LUNs" % self.iscsi.targetIQN)
continue
scsiid_path = "/dev/disk/by-id/scsi-" + self.SCSIid
if not util.wait_for_path(scsiid_path, ISCSISR.MAX_TIMEOUT):
util.SMlog("%s not found" %scsiid_path)
continue
for file in filter(self.iscsi.match_lun, util.listdir(self.iscsi.path)):
lun_path = os.path.join(self.iscsi.path,file)
lun_dev = scsiutil.getdev(lun_path)
try:
lun_scsiid = scsiutil.getSCSIid(lun_dev)
except:
util.SMlog("getSCSIid failed on %s in iscsi %s: LUN"
" offline or iscsi path down" %
(lun_dev, self.iscsi.path))
continue
util.SMlog("dev from lun %s %s" %(lun_dev, lun_scsiid))
if lun_scsiid == self.SCSIid:
util.SMlog("lun match in %s" %self.iscsi.path)
dev_match = True
# No more need to raise ISCSITarget exception.
# Resetting attempt_discovery
attempt_discovery = False
break
if dev_match:
if iii == 0:
break
util.SMlog("IQN reordering needed")
new_iscsiSRs = []
IQNs = {}
IQNstring = ""
# iscsiSRs can be seen as a circular buffer: the head now is the matching one
for kkk in range(iii, len(self.iscsiSRs)) + range(0, iii):
new_iscsiSRs.append(self.iscsiSRs[kkk])
ipaddr = self.iscsiSRs[kkk].target
port = self.iscsiSRs[kkk].port
iqn = self.iscsiSRs[kkk].targetIQN
key = "%s,%s,%s" % (ipaddr,port,iqn)
# The final string must preserve the order without repetition
if not IQNs.has_key(key):
IQNs[key] = ""
IQNstring += "%s|" % key
util.SMlog("IQNstring is now %s" %IQNstring)
self.iscsiSRs = new_iscsiSRs
util.SMlog("iqn %s is leading now" %self.iscsiSRs[0].targetIQN)
# Updating pbd entry, if any
try:
pbd = util.find_my_pbd(self.session, self.host_ref, self.sr_ref)
if pbd <> None and self.dconf.has_key('multiSession'):
util.SMlog("Updating multiSession in PBD")
dconf = self.session.xenapi.PBD.get_device_config(pbd)
dconf['multiSession'] = IQNstring
self.session.xenapi.PBD.set_device_config(pbd, dconf)
except:
pass
break
if not target_success and attempt_discovery:
raise xs_errors.XenError('ISCSITarget')
# Check for any unneeded open iscsi sessions
if forced_login == True:
try:
iscsilib.ensure_daemon_running_ok(self.iscsi.localIQN)
iscsilib.logout(self.iscsi.target, self.iscsi.targetIQN)
forced_login = False
except:
raise xs_errors.XenError('ISCSILogout')
self._pathrefresh(LVHDoISCSISR, load = False)
LVHDSR.LVHDSR.load(self, sr_uuid)
def load(self, sr_uuid):
if self.force_tapdisk:
self.sr_vditype = 'aio'
else:
self.sr_vditype = 'phy'
self.discoverentry = 0
self.default_vdi_visibility = False
# Required parameters
if 'target' not in self.dconf or not self.dconf['target']:
raise xs_errors.XenError('ConfigTargetMissing')
# we are no longer putting hconf in the xml.
# Instead we pass a session and host ref and let the SM backend query XAPI itself
try:
if 'localIQN' not in self.dconf:
self.localIQN = self.session.xenapi.host.get_other_config(
self.host_ref)['iscsi_iqn']
else:
self.localIQN = self.dconf['localIQN']
except:
raise xs_errors.XenError('ConfigISCSIIQNMissing')
# Check for empty string
if not self.localIQN:
raise xs_errors.XenError('ConfigISCSIIQNMissing')
try:
self.target = util._convertDNS(self.dconf['target'].split(',')[0])
except:
raise xs_errors.XenError('DNSError')
self.targetlist = self.target
if 'targetlist' in self.dconf:
self.targetlist = self.dconf['targetlist']
# Optional parameters
self.chapuser = ""
self.chappassword = ""
if 'chapuser' in self.dconf \
and ('chappassword' in self.dconf or 'chappassword_secret' in self.dconf):
self.chapuser = self.dconf['chapuser'].encode('utf-8')
if 'chappassword_secret' in self.dconf:
self.chappassword = util.get_secret(
self.session, self.dconf['chappassword_secret'])
else:
self.chappassword = self.dconf['chappassword']
self.chappassword = self.chappassword.encode('utf-8')
self.incoming_chapuser = ""
self.incoming_chappassword = ""
if 'incoming_chapuser' in self.dconf \
and ('incoming_chappassword' in self.dconf or 'incoming_chappassword_secret' in self.dconf):
self.incoming_chapuser = self.dconf['incoming_chapuser'].encode(
'utf-8')
if 'incoming_chappassword_secret' in self.dconf:
self.incoming_chappassword = util.get_secret(
self.session, self.dconf['incoming_chappassword_secret'])
else:
self.incoming_chappassword = self.dconf[
'incoming_chappassword']
self.incoming_chappassword = self.incoming_chappassword.encode(
'utf-8')
self.port = DEFAULT_PORT
if 'port' in self.dconf and self.dconf['port']:
try:
self.port = long(self.dconf['port'])
except:
raise xs_errors.XenError('ISCSIPort')
if self.port > MAXPORT or self.port < 1:
raise xs_errors.XenError('ISCSIPort')
# For backwards compatibility
if 'usediscoverynumber' in self.dconf:
self.discoverentry = self.dconf['usediscoverynumber']
self.multihomed = False
if 'multihomed' in self.dconf:
if self.dconf['multihomed'] == "true":
self.multihomed = True
elif self.mpath == 'true':
self.multihomed = True
if 'targetIQN' not in self.dconf or not self.dconf['targetIQN']:
self._scan_IQNs()
raise xs_errors.XenError('ConfigTargetIQNMissing')
self.targetIQN = unicode(self.dconf['targetIQN']).encode('utf-8')
self._attached = None
self._pathdict = None
self._adapter = None
self._devs = None
self._tgtidx = None
self._path = None
self._address = None
def load(self, sr_uuid):
self.sr_vditype = 'phy'
self.discoverentry = 0
self.default_vdi_visibility = False
# Required parameters
if not self.dconf.has_key('target') or not self.dconf['target']:
raise xs_errors.XenError('ConfigTargetMissing')
# we are no longer putting hconf in the xml.
# Instead we pass a session and host ref and let the SM backend query XAPI itself
try:
if not self.dconf.has_key('localIQN'):
self.localIQN = self.session.xenapi.host.get_other_config(self.host_ref)['iscsi_iqn']
else:
self.localIQN = self.dconf['localIQN']
except:
raise xs_errors.XenError('ConfigISCSIIQNMissing')
# Check for empty string
if not self.localIQN:
raise xs_errors.XenError('ConfigISCSIIQNMissing')
try:
self.target = util._convertDNS(self.dconf['target'].split(',')[0])
except:
raise xs_errors.XenError('DNSError')
self.targetlist = self.target
if self.dconf.has_key('targetlist'):
self.targetlist = self.dconf['targetlist']
# Optional parameters
self.chapuser = ""
self.chappassword = ""
if self.dconf.has_key('chapuser') \
and (self.dconf.has_key('chappassword') or self.dconf.has_key('chappassword_secret')):
self.chapuser = self.dconf['chapuser']
if self.dconf.has_key('chappassword_secret'):
self.chappassword = util.get_secret(self.session, self.dconf['chappassword_secret'])
else:
self.chappassword = self.dconf['chappassword']
self.incoming_chapuser = ""
self.incoming_chappassword = ""
if self.dconf.has_key('incoming_chapuser') \
and (self.dconf.has_key('incoming_chappassword') or self.dconf.has_key('incoming_chappassword_secret')):
self.incoming_chapuser = self.dconf['incoming_chapuser']
if self.dconf.has_key('incoming_chappassword_secret'):
self.incoming_chappassword = util.get_secret(self.session, self.dconf['incoming_chappassword_secret'])
else:
self.incoming_chappassword = self.dconf['incoming_chappassword']
self.port = DEFAULT_PORT
if self.dconf.has_key('port') and self.dconf['port']:
try:
self.port = long(self.dconf['port'])
except:
raise xs_errors.XenError('ISCSIPort')
if self.port > MAXPORT or self.port < 1:
raise xs_errors.XenError('ISCSIPort')
# For backwards compatibility
if self.dconf.has_key('usediscoverynumber'):
self.discoverentry = self.dconf['usediscoverynumber']
self.multihomed = False
if self.dconf.has_key('multihomed'):
if self.dconf['multihomed'] == "true":
self.multihomed = True
elif self.mpath == 'true':
self.multihomed = True
if not self.dconf.has_key('targetIQN') or not self.dconf['targetIQN']:
self._scan_IQNs()
raise xs_errors.XenError('ConfigTargetIQNMissing')
self.targetIQN = self.dconf['targetIQN']
self.attached = False
try:
self.attached = iscsilib._checkTGT(self.targetIQN)
except:
pass
self._initPaths()
def load(self, sr_uuid):
if not sr_uuid:
# This is a probe call, generate a temp sr_uuid
sr_uuid = util.gen_uuid()
driver = SR.driver('iscsi')
if self.original_srcmd.dconf.has_key('target'):
self.original_srcmd.dconf[
'targetlist'] = self.original_srcmd.dconf['target']
iscsi = driver(self.original_srcmd, sr_uuid)
self.iscsiSRs = []
self.iscsiSRs.append(iscsi)
if self.dconf['target'].find(
',') == 0 or self.dconf['targetIQN'] == "*":
# Instantiate multiple sessions
self.iscsiSRs = []
if self.dconf['targetIQN'] == "*":
IQN = "any"
else:
IQN = self.dconf['targetIQN']
dict = {}
IQNstring = ""
IQNs = []
try:
if self.dconf.has_key('multiSession'):
IQNs = self.dconf['multiSession'].split("|")
for IQN in IQNs:
if IQN:
dict[IQN] = ""
else:
try:
IQNs.remove(IQN)
except:
# Exceptions are not expected but just in case
pass
# Order in multiSession must be preserved. It is important for dual-controllers.
# IQNstring cannot be built with a dictionary iteration because of this
IQNstring = self.dconf['multiSession']
else:
for tgt in self.dconf['target'].split(','):
try:
tgt_ip = util._convertDNS(tgt)
except:
raise xs_errors.XenError('DNSError')
iscsilib.ensure_daemon_running_ok(iscsi.localIQN)
map = iscsilib.discovery(tgt_ip,
iscsi.port,
iscsi.chapuser,
iscsi.chappassword,
targetIQN=IQN)
util.SMlog("Discovery for IP %s returned %s" %
(tgt, map))
for i in range(0, len(map)):
(portal, tpgt, iqn) = map[i]
(ipaddr, port) = iscsilib.parse_IP_port(portal)
try:
util._testHost(ipaddr, long(port),
'ISCSITarget')
except:
util.SMlog("Target Not reachable: (%s:%s)" %
(ipaddr, port))
continue
key = "%s,%s,%s" % (ipaddr, port, iqn)
dict[key] = ""
# Again, do not mess up with IQNs order. Dual controllers will benefit from that
if IQNstring == "":
# Compose the IQNstring first
for key in dict.iterkeys():
IQNstring += "%s|" % key
# Reinitialize and store iterator
key_iterator = dict.iterkeys()
else:
key_iterator = IQNs
# Now load the individual iSCSI base classes
for key in key_iterator:
(ipaddr, port, iqn) = key.split(',')
srcmd_copy = copy.deepcopy(self.original_srcmd)
srcmd_copy.dconf['target'] = ipaddr
srcmd_copy.dconf['targetIQN'] = iqn
srcmd_copy.dconf['multiSession'] = IQNstring
util.SMlog("Setting targetlist: %s" %
srcmd_copy.dconf['targetlist'])
self.iscsiSRs.append(driver(srcmd_copy, sr_uuid))
pbd = util.find_my_pbd(self.session, self.host_ref,
self.sr_ref)
if pbd <> None and not self.dconf.has_key('multiSession'):
dconf = self.session.xenapi.PBD.get_device_config(pbd)
dconf['multiSession'] = IQNstring
self.session.xenapi.PBD.set_device_config(pbd, dconf)
except:
util.logException("OCFSoISCSISR.load")
self.iscsi = self.iscsiSRs[0]
# Be extremely careful not to throw exceptions here since this function
# is the main one used by all operations including probing and creating
pbd = None
try:
pbd = util.find_my_pbd(self.session, self.host_ref, self.sr_ref)
except:
pass
# Apart from the upgrade case, user must specify a SCSIid
if not self.dconf.has_key('SCSIid'):
# Dual controller issue
self.LUNs = {} # Dict for LUNs from all the iscsi objects
for ii in range(0, len(self.iscsiSRs)):
self.iscsi = self.iscsiSRs[ii]
self._LUNprint(sr_uuid)
for key in self.iscsi.LUNs:
self.LUNs[key] = self.iscsi.LUNs[key]
self.print_LUNs_XML()
self.iscsi = self.iscsiSRs[0] # back to original value
raise xs_errors.XenError('ConfigSCSIid')
self.SCSIid = self.dconf['SCSIid']
# This block checks if the first iscsi target contains the right SCSIid.
# If not it scans the other iscsi targets because chances are that more
# than one controller is present
dev_match = False
forced_login = False
# No need to check if only one iscsi target is present
if len(self.iscsiSRs) == 1:
pass
else:
target_success = False
attempt_discovery = False
for iii in range(0, len(self.iscsiSRs)):
# Check we didn't leave any iscsi session open
# If exceptions happened before, the cleanup function has worked on the right target.
if forced_login == True:
try:
iscsilib.ensure_daemon_running_ok(self.iscsi.localIQN)
iscsilib.logout(self.iscsi.target,
self.iscsi.targetIQN)
forced_login = False
except:
raise xs_errors.XenError('ISCSILogout')
self.iscsi = self.iscsiSRs[iii]
util.SMlog("path %s" % self.iscsi.path)
util.SMlog("iscsci data: targetIQN %s, portal %s" %
(self.iscsi.targetIQN, self.iscsi.target))
iscsilib.ensure_daemon_running_ok(self.iscsi.localIQN)
if not iscsilib._checkTGT(self.iscsi.targetIQN):
attempt_discovery = True
try:
# Ensure iscsi db has been populated
map = iscsilib.discovery(
self.iscsi.target,
self.iscsi.port,
self.iscsi.chapuser,
self.iscsi.chappassword,
targetIQN=self.iscsi.targetIQN)
if len(map) == 0:
util.SMlog(
"Discovery for iscsi data targetIQN %s,"
" portal %s returned empty list"
" Trying another path if available" %
(self.iscsi.targetIQN, self.iscsi.target))
continue
except:
util.SMlog("Discovery failed for iscsi data targetIQN"
" %s, portal %s. Trying another path if"
" available" %
(self.iscsi.targetIQN, self.iscsi.target))
continue
try:
iscsilib.login(self.iscsi.target, self.iscsi.targetIQN,
self.iscsi.chapuser,
self.iscsi.chappassword,
self.iscsi.incoming_chapuser,
self.iscsi.incoming_chappassword,
self.mpath == "true")
except:
util.SMlog("Login failed for iscsi data targetIQN %s,"
" portal %s. Trying another path"
" if available" %
(self.iscsi.targetIQN, self.iscsi.target))
continue
target_success = True
forced_login = True
# A session should be active.
if not util.wait_for_path(self.iscsi.path,
ISCSISR.MAX_TIMEOUT):
util.SMlog("%s has no associated LUNs" %
self.iscsi.targetIQN)
continue
scsiid_path = "/dev/disk/by-id/scsi-" + self.SCSIid
if not util.wait_for_path(scsiid_path, ISCSISR.MAX_TIMEOUT):
util.SMlog("%s not found" % scsiid_path)
continue
for file in filter(self.iscsi.match_lun,
util.listdir(self.iscsi.path)):
lun_path = os.path.join(self.iscsi.path, file)
lun_dev = scsiutil.getdev(lun_path)
try:
lun_scsiid = scsiutil.getSCSIid(lun_dev)
except:
util.SMlog("getSCSIid failed on %s in iscsi %s: LUN"
" offline or iscsi path down" %
(lun_dev, self.iscsi.path))
continue
util.SMlog("dev from lun %s %s" % (lun_dev, lun_scsiid))
if lun_scsiid == self.SCSIid:
util.SMlog("lun match in %s" % self.iscsi.path)
dev_match = True
# No more need to raise ISCSITarget exception.
# Resetting attempt_discovery
attempt_discovery = False
break
if dev_match:
if iii == 0:
break
util.SMlog("IQN reordering needed")
new_iscsiSRs = []
IQNs = {}
IQNstring = ""
# iscsiSRs can be seen as a circular buffer: the head now is the matching one
for kkk in range(iii, len(self.iscsiSRs)) + range(0, iii):
new_iscsiSRs.append(self.iscsiSRs[kkk])
ipaddr = self.iscsiSRs[kkk].target
port = self.iscsiSRs[kkk].port
iqn = self.iscsiSRs[kkk].targetIQN
key = "%s,%s,%s" % (ipaddr, port, iqn)
# The final string must preserve the order without repetition
if not IQNs.has_key(key):
IQNs[key] = ""
IQNstring += "%s|" % key
util.SMlog("IQNstring is now %s" % IQNstring)
self.iscsiSRs = new_iscsiSRs
util.SMlog("iqn %s is leading now" %
self.iscsiSRs[0].targetIQN)
# Updating pbd entry, if any
try:
pbd = util.find_my_pbd(self.session, self.host_ref,
self.sr_ref)
if pbd <> None and self.dconf.has_key('multiSession'):
util.SMlog("Updating multiSession in PBD")
dconf = self.session.xenapi.PBD.get_device_config(
pbd)
dconf['multiSession'] = IQNstring
self.session.xenapi.PBD.set_device_config(
pbd, dconf)
except:
pass
break
if not target_success and attempt_discovery:
raise xs_errors.XenError('ISCSITarget')
# Check for any unneeded open iscsi sessions
if forced_login == True:
try:
iscsilib.ensure_daemon_running_ok(self.iscsi.localIQN)
iscsilib.logout(self.iscsi.target, self.iscsi.targetIQN)
forced_login = False
except:
raise xs_errors.XenError('ISCSILogout')
self._pathrefresh(OCFSoISCSISR, load=False)
OCFSSR.OCFSSR.load(self, sr_uuid)
def load(self, sr_uuid):
log("Calling vdilunsr load")
if not self.dconf.has_key('target'):
raise xs_errors.XenError('ConfigServerMissing')
try:
if not self.dconf.has_key('localIQN'):
self.localIQN = self.session.xenapi.host.get_other_config(self.host_ref)['iscsi_iqn']
assert len(self.localIQN)
else:
self.localIQN = self.dconf['localIQN']
assert len(self.localIQN)
except:
raise xs_errors.XenError('ConfigISCSIIQNMissing')
try:
self.target = util._convertDNS(self.dconf['target'].split(',')[0])
except:
raise xs_errors.XenError('DNSError')
self.port = DEFAULT_PORT
if self.dconf.has_key('port') and self.dconf['port']:
try:
self.port = long(self.dconf['port'])
except:
raise xs_errors.XenError('ISCSIPort')
if self.port > MAXPORT or self.port < 1:
raise xs_errors.XenError('ISCSIPort')
try:
if not self.dconf.has_key('localIQN'):
self.localIQN = self.session.xenapi.host.get_other_config(self.host_ref)['iscsi_iqn']
else:
self.localIQN = self.dconf['localIQN']
except:
raise xs_errors.XenError('ConfigISCSIIQNMissing')
if self.dconf.has_key('port') and self.dconf['port']:
try:
self.port = long(self.dconf['port'])
except:
raise xs_errors.XenError('ISCSIPort')
if self.port > MAXPORT or self.port < 1:
raise xs_errors.XenError('ISCSIPort')
self.isMaster = False
if self.dconf.has_key('SRmaster') and self.dconf['SRmaster'] == 'true':
self.isMaster = True
self.lock = Lock(vhdutil.LOCK_TYPE_SR, self.uuid)
self.uuid = sr_uuid
self.sm_config = self.session.xenapi.SR.get_sm_config(self.sr_ref)
vdis_in_sr = self.session.xenapi.SR.get_VDIs(self.sr_ref)
log(vdis_in_sr)
for vdi_ref in vdis_in_sr:
vdi = self.session.xenapi.VDI.get_record(vdi_ref)
self.vdis[vdi['uuid']] = VDILUN(self, vdi['uuid'])
def load(self, sr_uuid):
if not sr_uuid:
# This is a probe call, generate a temp sr_uuid
sr_uuid = util.gen_uuid()
driver = SR.driver('iscsi')
if self.original_srcmd.dconf.has_key('target'):
self.original_srcmd.dconf['targetlist'] = self.original_srcmd.dconf['target']
iscsi = driver(self.original_srcmd, sr_uuid)
self.iscsiSRs = []
self.iscsiSRs.append(iscsi)
if self.dconf['target'].find(',') == 0 or self.dconf['targetIQN'] == "*":
# Instantiate multiple sessions
self.iscsiSRs = []
if self.dconf['targetIQN'] == "*":
IQN = "any"
else:
IQN = self.dconf['targetIQN']
dict = {}
try:
if self.dconf.has_key('multiSession'):
IQNs = self.dconf['multiSession'].split("|")
for IQN in IQNs:
if IQN:
dict[IQN] = ""
else:
for tgt in self.dconf['target'].split(','):
try:
tgt_ip = util._convertDNS(tgt)
except:
raise xs_errors.XenError('DNSError')
iscsilib.ensure_daemon_running_ok(iscsi.localIQN)
map = iscsilib.discovery(tgt_ip,iscsi.port,iscsi.chapuser,iscsi.chappassword,targetIQN=IQN)
util.SMlog("Discovery for IP %s returned %s" % (tgt,map))
for i in range(0,len(map)):
(portal,tpgt,iqn) = map[i]
(ipaddr,port) = portal.split(',')[0].split(':')
key = "%s,%s,%s" % (ipaddr,port,iqn)
dict[key] = ""
# Compose the IQNstring first
IQNstring = ""
for key in dict.iterkeys(): IQNstring += "%s|" % key
# Now load the individual iSCSI base classes
for key in dict.iterkeys():
(ipaddr,port,iqn) = key.split(',')
srcmd_copy = copy.deepcopy(self.original_srcmd)
srcmd_copy.dconf['target'] = ipaddr
srcmd_copy.dconf['targetIQN'] = iqn
srcmd_copy.dconf['multiSession'] = IQNstring
util.SMlog("Setting targetlist: %s" % srcmd_copy.dconf['targetlist'])
self.iscsiSRs.append(driver(srcmd_copy, sr_uuid))
pbd = util.find_my_pbd(self.session, self.host_ref, self.sr_ref)
if pbd <> None and not self.dconf.has_key('multiSession'):
dconf = self.session.xenapi.PBD.get_device_config(pbd)
dconf['multiSession'] = IQNstring
self.session.xenapi.PBD.set_device_config(pbd, dconf)
except:
util.logException("LVHDoISCSISR.load")
self.iscsi = self.iscsiSRs[0]
# Be extremely careful not to throw exceptions here since this function
# is the main one used by all operations including probing and creating
pbd = None
try:
pbd = util.find_my_pbd(self.session, self.host_ref, self.sr_ref)
except:
pass
if not self.dconf.has_key('SCSIid') and self.dconf.has_key('LUNid') and pbd <> None:
# UPGRADE FROM RIO: add SCSIid key to device_config
util.SMlog("Performing upgrade from Rio")
scsiid = self._getSCSIid_from_LUN(sr_uuid)
device_config = self.session.xenapi.PBD.get_device_config(pbd)
device_config['SCSIid'] = scsiid
device_config['upgraded_from_rio'] = 'true'
self.session.xenapi.PBD.set_device_config(pbd, device_config)
self.dconf['SCSIid'] = scsiid
# Apart from the upgrade case, user must specify a SCSIid
if not self.dconf.has_key('SCSIid'):
self._LUNprint(sr_uuid)
raise xs_errors.XenError('ConfigSCSIid')
self.SCSIid = self.dconf['SCSIid']
self._pathrefresh(LVHDoISCSISR)
LVHDSR.LVHDSR.load(self, sr_uuid)
def load(self, sr_uuid):
if self.force_tapdisk:
self.sr_vditype = "aio"
else:
self.sr_vditype = "phy"
self.discoverentry = 0
self.default_vdi_visibility = False
# Required parameters
if not self.dconf.has_key("target") or not self.dconf["target"]:
raise xs_errors.XenError("ConfigTargetMissing")
# we are no longer putting hconf in the xml.
# Instead we pass a session and host ref and let the SM backend query XAPI itself
try:
if not self.dconf.has_key("localIQN"):
self.localIQN = self.session.xenapi.host.get_other_config(self.host_ref)["iscsi_iqn"]
else:
self.localIQN = self.dconf["localIQN"]
except:
raise xs_errors.XenError("ConfigISCSIIQNMissing")
# Check for empty string
if not self.localIQN:
raise xs_errors.XenError("ConfigISCSIIQNMissing")
try:
self.target = util._convertDNS(self.dconf["target"].split(",")[0])
except:
raise xs_errors.XenError("DNSError")
self.targetlist = self.target
if self.dconf.has_key("targetlist"):
self.targetlist = self.dconf["targetlist"]
# Optional parameters
self.chapuser = ""
self.chappassword = ""
if self.dconf.has_key("chapuser") and (
self.dconf.has_key("chappassword") or self.dconf.has_key("chappassword_secret")
):
self.chapuser = self.dconf["chapuser"]
if self.dconf.has_key("chappassword_secret"):
self.chappassword = util.get_secret(self.session, self.dconf["chappassword_secret"])
else:
self.chappassword = self.dconf["chappassword"]
self.incoming_chapuser = ""
self.incoming_chappassword = ""
if self.dconf.has_key("incoming_chapuser") and (
self.dconf.has_key("incoming_chappassword") or self.dconf.has_key("incoming_chappassword_secret")
):
self.incoming_chapuser = self.dconf["incoming_chapuser"]
if self.dconf.has_key("incoming_chappassword_secret"):
self.incoming_chappassword = util.get_secret(self.session, self.dconf["incoming_chappassword_secret"])
else:
self.incoming_chappassword = self.dconf["incoming_chappassword"]
self.port = DEFAULT_PORT
if self.dconf.has_key("port") and self.dconf["port"]:
try:
self.port = long(self.dconf["port"])
except:
raise xs_errors.XenError("ISCSIPort")
if self.port > MAXPORT or self.port < 1:
raise xs_errors.XenError("ISCSIPort")
# For backwards compatibility
if self.dconf.has_key("usediscoverynumber"):
self.discoverentry = self.dconf["usediscoverynumber"]
self.multihomed = False
if self.dconf.has_key("multihomed"):
if self.dconf["multihomed"] == "true":
self.multihomed = True
elif self.mpath == "true":
self.multihomed = True
if not self.dconf.has_key("targetIQN") or not self.dconf["targetIQN"]:
self._scan_IQNs()
raise xs_errors.XenError("ConfigTargetIQNMissing")
self.targetIQN = self.dconf["targetIQN"]
self.attached = False
try:
self.attached = iscsilib._checkTGT(self.targetIQN)
except:
pass
self._initPaths()
def load(self, sr_uuid):
if not sr_uuid:
# This is a probe call, generate a temp sr_uuid
sr_uuid = util.gen_uuid()
driver = SR.driver('iscsi')
if self.original_srcmd.dconf.has_key('target'):
self.original_srcmd.dconf[
'targetlist'] = self.original_srcmd.dconf['target']
iscsi = driver(self.original_srcmd, sr_uuid)
self.iscsiSRs = []
self.iscsiSRs.append(iscsi)
if self.dconf['target'].find(
',') == 0 or self.dconf['targetIQN'] == "*":
# Instantiate multiple sessions
self.iscsiSRs = []
if self.dconf['targetIQN'] == "*":
IQN = "any"
else:
IQN = self.dconf['targetIQN']
dict = {}
try:
if self.dconf.has_key('multiSession'):
IQNs = self.dconf['multiSession'].split("|")
for IQN in IQNs:
if IQN:
dict[IQN] = ""
else:
for tgt in self.dconf['target'].split(','):
try:
tgt_ip = util._convertDNS(tgt)
except:
raise xs_errors.XenError('DNSError')
iscsilib.ensure_daemon_running_ok(iscsi.localIQN)
map = iscsilib.discovery(tgt_ip,
iscsi.port,
iscsi.chapuser,
iscsi.chappassword,
targetIQN=IQN)
util.SMlog("Discovery for IP %s returned %s" %
(tgt, map))
for i in range(0, len(map)):
(portal, tpgt, iqn) = map[i]
(ipaddr, port) = portal.split(',')[0].split(':')
key = "%s,%s,%s" % (ipaddr, port, iqn)
dict[key] = ""
# Compose the IQNstring first
IQNstring = ""
for key in dict.iterkeys():
IQNstring += "%s|" % key
# Now load the individual iSCSI base classes
for key in dict.iterkeys():
(ipaddr, port, iqn) = key.split(',')
srcmd_copy = copy.deepcopy(self.original_srcmd)
srcmd_copy.dconf['target'] = ipaddr
srcmd_copy.dconf['targetIQN'] = iqn
srcmd_copy.dconf['multiSession'] = IQNstring
util.SMlog("Setting targetlist: %s" %
srcmd_copy.dconf['targetlist'])
self.iscsiSRs.append(driver(srcmd_copy, sr_uuid))
pbd = util.find_my_pbd(self.session, self.host_ref,
self.sr_ref)
if pbd <> None and not self.dconf.has_key('multiSession'):
dconf = self.session.xenapi.PBD.get_device_config(pbd)
dconf['multiSession'] = IQNstring
self.session.xenapi.PBD.set_device_config(pbd, dconf)
except:
util.logException("LVHDoISCSISR.load")
self.iscsi = self.iscsiSRs[0]
# Be extremely careful not to throw exceptions here since this function
# is the main one used by all operations including probing and creating
pbd = None
try:
pbd = util.find_my_pbd(self.session, self.host_ref, self.sr_ref)
except:
pass
if not self.dconf.has_key('SCSIid') and self.dconf.has_key(
'LUNid') and pbd <> None:
# UPGRADE FROM RIO: add SCSIid key to device_config
util.SMlog("Performing upgrade from Rio")
scsiid = self._getSCSIid_from_LUN(sr_uuid)
device_config = self.session.xenapi.PBD.get_device_config(pbd)
device_config['SCSIid'] = scsiid
device_config['upgraded_from_rio'] = 'true'
self.session.xenapi.PBD.set_device_config(pbd, device_config)
self.dconf['SCSIid'] = scsiid
# Apart from the upgrade case, user must specify a SCSIid
if not self.dconf.has_key('SCSIid'):
self._LUNprint(sr_uuid)
raise xs_errors.XenError('ConfigSCSIid')
self.SCSIid = self.dconf['SCSIid']
self._pathrefresh(LVHDoISCSISR)
LVHDSR.LVHDSR.load(self, sr_uuid)
def load(self, sr_uuid):
self.sr_vditype = 'phy'
self.discoverentry = 0
self.default_vdi_visibility = False
# Required parameters
if not self.dconf.has_key('target') or not self.dconf['target']:
raise xs_errors.XenError('ConfigTargetMissing')
# we are no longer putting hconf in the xml.
# Instead we pass a session and host ref and let the SM backend query XAPI itself
try:
if not self.dconf.has_key('localIQN'):
self.localIQN = self.session.xenapi.host.get_other_config(
self.host_ref)['iscsi_iqn']
else:
self.localIQN = self.dconf['localIQN']
except:
raise xs_errors.XenError('ConfigISCSIIQNMissing')
# Check for empty string
if not self.localIQN:
raise xs_errors.XenError('ConfigISCSIIQNMissing')
try:
self.target = util._convertDNS(self.dconf['target'].split(',')[0])
except:
raise xs_errors.XenError('DNSError')
self.targetlist = self.target
if self.dconf.has_key('targetlist'):
self.targetlist = self.dconf['targetlist']
# Optional parameters
self.chapuser = ""
self.chappassword = ""
if self.dconf.has_key('chapuser') \
and (self.dconf.has_key('chappassword') or self.dconf.has_key('chappassword_secret')):
self.chapuser = self.dconf['chapuser']
if self.dconf.has_key('chappassword_secret'):
self.chappassword = util.get_secret(
self.session, self.dconf['chappassword_secret'])
else:
self.chappassword = self.dconf['chappassword']
self.incoming_chapuser = ""
self.incoming_chappassword = ""
if self.dconf.has_key('incoming_chapuser') \
and (self.dconf.has_key('incoming_chappassword') or self.dconf.has_key('incoming_chappassword_secret')):
self.incoming_chapuser = self.dconf['incoming_chapuser']
if self.dconf.has_key('incoming_chappassword_secret'):
self.incoming_chappassword = util.get_secret(
self.session, self.dconf['incoming_chappassword_secret'])
else:
self.incoming_chappassword = self.dconf[
'incoming_chappassword']
self.port = DEFAULT_PORT
if self.dconf.has_key('port') and self.dconf['port']:
try:
self.port = long(self.dconf['port'])
except:
raise xs_errors.XenError('ISCSIPort')
if self.port > MAXPORT or self.port < 1:
raise xs_errors.XenError('ISCSIPort')
# For backwards compatibility
if self.dconf.has_key('usediscoverynumber'):
self.discoverentry = self.dconf['usediscoverynumber']
self.multihomed = False
if self.dconf.has_key('multihomed'):
if self.dconf['multihomed'] == "true":
self.multihomed = True
elif self.mpath == 'true':
self.multihomed = True
if not self.dconf.has_key('targetIQN') or not self.dconf['targetIQN']:
self._scan_IQNs()
raise xs_errors.XenError('ConfigTargetIQNMissing')
self.targetIQN = self.dconf['targetIQN']
self.attached = False
try:
self.attached = iscsilib._checkTGT(self.targetIQN)
except:
pass
self._initPaths()
