"""
Description: IPv6 Support and Management to Slices
ipv6 nodemanager plugin
-Version: 0.5
+Version: 0.7
Author: Guilherme Sperb Machado <gsm@machados.org>
+
+Requirements:
+* The 'sliversipv6prefix' tag must have this format:
+ ipv6_address/prefix -- e.g., 2002:1000::1/64
+* The prefix specified on 'sliversipv6prefix' tag must be at least 64
+ It should vary between 1 and 64, since it is the minimum amount of bits to
+ have native IPv6 auto-configuration.
+* The ipv6_address on 'sliversipv6prefix' tag can be any valid IPv6 address.
+ E.g., 2002:1000:: or 2002:1000::1
+* It is the node manager/admin responsibility to properly set the IPv6 routing,
+ since slivers should receive/send any kind of traffic.
"""
import logger
if ip.getAttribute('family')=='ipv6' and \
not ( re.match(r'fe80(.*)', ip.getAttribute("address"), re.I) ) and \
(ip.getAttribute('address')!=ipv6addr or ip.getAttribute('prefix')!=prefix) :
- logger.log("ipv6: the IPv6 address or prefix are different. Change detected!")
+ logger.log("ipv6: IPv6 address or prefix are different. Change detected!")
return True
return False
#logger.log(networkElem.toxml())
#ret = dir(conn)
#for method in ret:
- # logger.log(repr(method))
+ # logger.log(repr(method))
networkLibvirt.undefine()
networkLibvirt.destroy()
connLibvirt.networkCreateXML(newXml)
f.write(configRadvd)
kill_radvd()
start_radvd()
- logger.log("ipv6: set up process finalized. Enabled IPv6 address to the slivers!")
+ logger.log("ipv6: set up process finalized -- enabled IPv6 address to the slivers!")
def clean_up(networkLibvirt, connLibvirt, networkElem):
dom = remove_ipv6(networkElem)
ipv6addrprefix = setting['value'].split('/', 1)
ipv6addr = ipv6addrprefix[0]
valid_prefix = False
+ logger.log("ipv6: len(ipv6addrprefix)=%s" % (len(ipv6addrprefix)) )
if len(ipv6addrprefix)>1:
prefix = ipv6addrprefix[1]
- if prefix>0 and prefix<=64:
+ logger.log("ipv6: prefix=%s" % (prefix) )
+ if int(prefix)>0 and int(prefix)<=64:
valid_prefix = True
else:
valid_prefix = False
if not(valid_ipv6):
logger.log("ipv6: the 'sliversipv6prefix' tag presented a non-valid IPv6 address!")
elif not(valid_prefix):
- logger.log("ipv6: the '%s' tag does not present a valid prefix " +
- "(e.g., '/64', '/58')!" % (sliversipv6prefixtag) )
+ logger.log("ipv6: the '%s' tag does not present a valid prefix (e.g., '/64', '/58')!" % \
+ (sliversipv6prefixtag))
else:
# connecting to the libvirtd
connLibvirt = Sliver_Libvirt.getConnection(type)