2 Description: Update the IPv6 Address sliver tag accordingly to the IPv6 address set
3 update_ipv6addr_slivertag nodemanager plugin
5 Author: Guilherme Sperb Machado <gsm@machados.org>
16 from sliver_libvirt import Sliver_Libvirt
17 from xml.dom.minidom import parseString
21 ipv6addrtag = 'ipv6_address'
24 logger.log("update_ipv6addr_slivertag: plugin starting up...")
27 def get_sliver_tag_id_value(slivertags):
28 for slivertag in slivertags:
29 if slivertag['tagname']==ipv6addrtag:
30 return slivertag['slice_tag_id'], slivertag['value']
32 def SetSliverTag(plc, data, tagname):
34 for slice in data['slivers']:
35 logger.log("update_ipv6addr_slivertag: starting with slice=%s" % (slice['name']) )
37 # TODO: what about the prefixlen? should we add on it as well?
38 # here, I'm just taking the ipv6addr (value)
39 value,prefixlen = tools.get_sliver_ipv6(slice['name'])
41 node_id = tools.node_id()
42 slivertags = plc.GetSliceTags({"name":slice['name'],"node_id":node_id,"tagname":tagname})
43 #logger.log(repr(str(slivertags)))
44 #for tag in slivertags:
45 # logger.log(repr(str(tag)))
48 slivertag_id,ipv6addr = get_sliver_tag_id_value(slivertags)
50 slivertag_id,ipv6addr = None,None
51 logger.log("update_ipv6addr_slivertag: slice=%s getSliceIPv6Address=%s" % \
52 (slice['name'],ipv6addr) )
53 # if the value to set is null...
55 if ipv6addr is not None:
56 # then, let's remove the slice tag
59 plc.DeleteSliceTag(slivertag_id)
60 logger.log("update_ipv6addr_slivertag: slice tag deleted for slice=%s" % \
63 logger.log("update_ipv6addr_slivertag: slice tag not deleted for slice=%s" % \
65 # if there's no ipv6 address anymore, then remove everything from the /etc/hosts
66 tools.remove_all_ipv6addr_hosts(slice['name'], data['hostname'])
68 # if the ipv6 addr set on the slice does not exist yet, so, let's add it
69 if (ipv6addr is None) and len(value)>0:
71 logger.log("update_ipv6addr_slivertag: slice name=%s" % (slice['name']) )
72 slivertag_id=plc.AddSliceTag(slice['name'],tagname,value,node_id)
73 logger.log("update_ipv6addr_slivertag: slice tag added to slice %s" % \
76 logger.log("update_ipv6addr_slivertag: could not set ipv6 addr tag to sliver. "+
77 "slice=%s tag=%s node_id=%d" % (slice['name'],tagname,node_id) )
78 # if the ipv6 addr set on the slice is different on the value provided, let's update it
79 if (ipv6addr is not None) and (len(value)>0) and (ipv6addr!=value):
80 plc.UpdateSliceTag(slivertag_id,value)
81 # ipv6 entry on /etc/hosts of each slice
82 result = tools.search_ipv6addr_hosts(slice['name'], value)
84 tools.remove_all_ipv6addr_hosts(slice['name'], data['hostname'])
85 tools.add_ipv6addr_hosts_line(slice['name'], data['hostname'], value)
86 logger.log("update_ipv6addr_slivertag: finishing the update process for " +
87 "slice=%s" % (slice['name']) )
89 def GetSlivers(data, config, plc):
90 SetSliverTag(plc, data, ipv6addrtag)
91 logger.log("update_ipv6addr_slivertag: all done!")