+ node_id = tools.node_id()
+ 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)))
+
+ try:
+ slivertag_id,ipv6addr = get_sliver_tag_id_value(slivertags)
+ except:
+ slivertag_id,ipv6addr = None,None
+ logger.log("update_ipv6addr_slivertag: slice=%s getSliceIPv6Address=%s" % \
+ (slice['name'],ipv6addr) )
+ # if the value to set is null...
+ if value is None:
+ if ipv6addr is not None:
+ # then, let's remove the slice tag
+ if slivertag_id:
+ try:
+ plc.DeleteSliceTag(slivertag_id)
+ logger.log("update_ipv6addr_slivertag: slice tag deleted for slice=%s" % \
+ (slice['name']) )
+ except:
+ logger.log("update_ipv6addr_slivertag: slice tag not deleted for slice=%s" % \
+ (slice['name']) )
+ 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)
+ 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) )
+ # 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)
+ # 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']) )
+
+def GetSlivers(data, config, plc):
+ SetSliverTag(plc, data, ipv6addrtag)