def assert_valid_iscsi_portal(portal):
if not isinstance(portal, util.string_types):
raise ValueError("iSCSI portal (%s) is not a string" % portal)
m = re.match(ISCSI_PORTAL_REGEX, portal)
if m is None:
raise ValueError("iSCSI portal (%s) is not in the format "
"(HOST:PORT)" % portal)
host = m.group('host')
if host.startswith('[') and host.endswith(']'):
host = host[1:-1]
if not util.is_valid_ipv6_address(host):
raise ValueError("Invalid IPv6 address (%s) in iSCSI portal (%s)" %
(host, portal))
try:
port = int(m.group('port'))
except ValueError:
raise ValueError("iSCSI portal (%s) port (%s) is not an integer" %
(portal, m.group('port')))
return host, port
def __init__(self, rfc4173):
auth_m = None
_rfc4173 = rfc4173
if not rfc4173.startswith('iscsi:'):
raise ValueError('iSCSI specification (%s) did not start with '
'iscsi:. iSCSI disks must be specified as '
'iscsi:[user:password[:initiatoruser:'******'initiatorpassword]@]'
'host:proto:port:lun:targetname' % _rfc4173)
rfc4173 = rfc4173[6:]
if '@' in rfc4173:
if rfc4173.count('@') != 1:
raise ValueError('Only one @ symbol allowed in iSCSI disk '
'specification (%s). iSCSI disks must be '
'specified as'
'iscsi:[user:password[:initiatoruser:'******'initiatorpassword]@]'
'host:proto:port:lun:targetname' % _rfc4173)
auth, target = rfc4173.split('@')
auth_m = RFC4173_AUTH_REGEX.match(auth)
if auth_m is None:
raise ValueError('Invalid authentication specified for iSCSI '
'disk (%s). iSCSI disks must be specified as '
'iscsi:[user:password[:initiatoruser:'******'initiatorpassword]@]'
'host:proto:port:lun:targetname' % _rfc4173)
else:
target = rfc4173
target_m = RFC4173_TARGET_REGEX.match(target)
if target_m is None:
raise ValueError('Invalid target specified for iSCSI disk (%s). '
'iSCSI disks must be specified as '
'iscsi:[user:password[:initiatoruser:'******'initiatorpassword]@]'
'host:proto:port:lun:targetname' % _rfc4173)
if target_m.group('proto') and target_m.group('proto') != '6':
LOG.warn('Specified protocol for iSCSI (%s) is unsupported, '
'assuming 6 (TCP)', target_m.group('proto'))
if not target_m.group('host') or not target_m.group('targetname'):
raise ValueError('Both host and targetname must be specified for '
'iSCSI disks')
if auth_m:
self.user = auth_m.group('user')
self.password = auth_m.group('password')
self.iuser = auth_m.group('initiatoruser')
self.ipassword = auth_m.group('initiatorpassword')
else:
self.user = None
self.password = None
self.iuser = None
self.ipassword = None
self.host = target_m.group('host')
self.proto = '6'
self.lun = int(target_m.group('lun')) if target_m.group('lun') else 0
self.target = target_m.group('targetname')
try:
self.port = int(target_m.group('port')) if target_m.group('port') \
else 3260
except ValueError:
raise ValueError('Specified iSCSI port (%s) is not an integer' %
target_m.group('port'))
portal = '%s:%s' % (self.host, self.port)
if self.host.startswith('[') and self.host.endswith(']'):
self.host = self.host[1:-1]
if not util.is_valid_ipv6_address(self.host):
raise ValueError('Specified iSCSI IPv6 address (%s) is not '
'valid' % self.host)
portal = '[%s]:%s' % (self.host, self.port)
assert_valid_iscsi_portal(portal)
self.portal = portal
def test_is_valid_ipv6_address(self):
self.assertFalse(util.is_valid_ipv6_address('192.168'))
self.assertFalse(util.is_valid_ipv6_address('69.89.31.226'))
self.assertFalse(util.is_valid_ipv6_address('254.254.254.254'))
self.assertTrue(util.is_valid_ipv6_address('2001:db8::1'))
self.assertTrue(util.is_valid_ipv6_address('::1'))
self.assertTrue(
util.is_valid_ipv6_address(
'1200:0000:AB00:1234:0000:2552:7777:1313'))
self.assertFalse(
util.is_valid_ipv6_address('1200::AB00:1234::2552:7777:1313'))
self.assertTrue(
util.is_valid_ipv6_address('21DA:D3:0:2F3B:2AA:FF:FE28:9C5A'))
self.assertFalse(
util.is_valid_ipv6_address(
'1200:0000:AB00:1234:O000:2552:7777:1313'))
self.assertTrue(
util.is_valid_ipv6_address('2002:4559:1FE2::4559:1FE2'))
self.assertTrue(
util.is_valid_ipv6_address('2002:4559:1fe2:0:0:0:4559:1fe2'))
self.assertTrue(
util.is_valid_ipv6_address(
'2002:4559:1FE2:0000:0000:0000:4559:1FE2'))