"""
Description: Update the IPv6 Address sliver tag accordingly to the IPv6 address set
update_ipv6addr_slivertag nodemanager plugin
-Version: 0.5
+Version: 0.6
Author: Guilherme Sperb Machado <gsm@machados.org>
"""
import re
import tools
-import libvirt
import uuid
-from sliver_libvirt import Sliver_Libvirt
from xml.dom.minidom import parseString
+# TODO: is there anything better to do if the "libvirt", "sliver_libvirt",
+# and are not in place in the VS distro?
+try:
+ import libvirt
+ from sliver_libvirt import Sliver_Libvirt
+except:
+ logger.log("Could not import 'sliver_lxc' or 'libvirt'.")
+
priority=150
ipv6addrtag = 'ipv6_address'
def SetSliverTag(plc, data, tagname):
+ virt=tools.get_node_virt()
+ if virt!='lxc':
+ return
+
for slice in data['slivers']:
- logger.log("update_ipv6addr_slivertag: starting with slice=%s" % (slice['name']) )
+ #logger.log("update_ipv6addr_slivertag: starting with slice=%s" % (slice['name']) )
+
+ # Check if the slice to be processed in a "system" slice
+ # If so, just loop to the next slice
+ system_slice = False
+ for attribute in slice['attributes']:
+ if attribute['tagname']=='system' and attribute['value']=='1':
+ system_slice = True
+ break
+ if system_slice: continue
- # TODO: what about the prefixlen? should we add on it as well?
+ # TODO: what about the prefixlen? Should we also inform the prefixlen?
# here, I'm just taking the ipv6addr (value)
- value,prefixlen = tools.get_sliver_ipv6(slice['name'])
+ value, prefixlen = tools.get_sliver_ipv6(slice['name'])
node_id = tools.node_id()
- slivertags = plc.GetSliceTags({"name":slice['name'],"node_id":node_id,"tagname":tagname})
+ slivertags = plc.GetSliceTags({"name":slice['name'], "node_id":node_id, "tagname":tagname})
#logger.log(repr(str(slivertags)))
#for tag in slivertags:
- # logger.log(repr(str(tag)))
+ # logger.log(repr(str(tag)))
try:
- slivertag_id,ipv6addr = get_sliver_tag_id_value(slivertags)
+ slivertag_id, ipv6addr = get_sliver_tag_id_value(slivertags)
except:
- slivertag_id,ipv6addr = None,None
+ slivertag_id, ipv6addr = None, None
logger.log("update_ipv6addr_slivertag: slice=%s getSliceIPv6Address=%s" % \
- (slice['name'],ipv6addr) )
+ (slice['name'], ipv6addr) )
# if the value to set is null...
if value is None:
if ipv6addr is not None:
except:
logger.log("update_ipv6addr_slivertag: slice tag not deleted for slice=%s" % \
(slice['name']) )
- # if there's no ipv6 address anymore, then remove everything from the /etc/hosts
- tools.remove_all_ipv6addr_hosts(slice['name'], data['hostname'])
+ result = tools.search_ipv6addr_hosts(slice['name'], value)
+ if result:
+ # if there's any ipv6 address, then remove everything from the /etc/hosts
+ tools.remove_all_ipv6addr_hosts(slice['name'], data['hostname'])
else:
# if the ipv6 addr set on the slice does not exist yet, so, let's add it
if (ipv6addr is None) and len(value)>0:
try:
logger.log("update_ipv6addr_slivertag: slice name=%s" % (slice['name']) )
- slivertag_id=plc.AddSliceTag(slice['name'],tagname,value,node_id)
+ slivertag_id=plc.AddSliceTag(slice['name'], tagname, value, node_id)
logger.log("update_ipv6addr_slivertag: slice tag added to slice %s" % \
(slice['name']) )
except:
logger.log("update_ipv6addr_slivertag: could not set ipv6 addr tag to sliver. "+
- "slice=%s tag=%s node_id=%d" % (slice['name'],tagname,node_id) )
+ "slice=%s tag=%s node_id=%d" % (slice['name'], tagname, node_id) )
# if the ipv6 addr set on the slice is different on the value provided, let's update it
if (ipv6addr is not None) and (len(value)>0) and (ipv6addr!=value):
- plc.UpdateSliceTag(slivertag_id,value)
+ plc.UpdateSliceTag(slivertag_id, value)
# ipv6 entry on /etc/hosts of each slice
result = tools.search_ipv6addr_hosts(slice['name'], value)
if not result:
tools.remove_all_ipv6addr_hosts(slice['name'], data['hostname'])
tools.add_ipv6addr_hosts_line(slice['name'], data['hostname'], value)
- logger.log("update_ipv6addr_slivertag: finishing the update process for " +
- "slice=%s" % (slice['name']) )
+ #logger.log("update_ipv6addr_slivertag: finishing the update process for " +
+ # "slice=%s" % (slice['name']) )
def GetSlivers(data, config, plc):
SetSliverTag(plc, data, ipv6addrtag)
- logger.log("update_ipv6addr_slivertag: all done!")