1 # -*- python-indent: 4 -*-
4 Description: Update the IPv6 Address sliver tag accordingly to the IPv6 address set
5 update_ipv6addr_slivertag nodemanager plugin
7 Author: Guilherme Sperb Machado <gsm@machados.org>
18 from sliver_libvirt import Sliver_Libvirt
19 from xml.dom.minidom import parseString
23 ipv6addrtag = 'ipv6_address'
26 logger.log("update_ipv6addr_slivertag: plugin starting up...")
29 def getSliverTagId(slivertags):
30 for slivertag in slivertags:
31 if slivertag['tagname']==ipv6addrtag:
32 return slivertag['slice_tag_id']
35 def SetSliverTag(plc, data, tagname):
37 for slice in data['slivers']:
38 logger.log("update_ipv6addr_slivertag: starting with slice=%s" % (slice['name']) )
40 # TODO: what about the prefixlen? should we add on it as well?
41 # here, I'm just taking the ipv6addr (value)
42 value,prefixlen = tools.get_sliver_ipv6(slice['name'])
44 node_id = tools.node_id()
45 slivertags = plc.GetSliceTags({"name":slice['name'],"node_id":node_id,"tagname":tagname})
46 #logger.log(repr(str(slivertags)))
47 #for tag in slivertags:
48 # logger.log(repr(str(tag)))
50 ipv6addr = plc.GetSliceIPv6Address(slice['name'])
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
57 slivertag_id = getSliverTagId(slivertags)
60 plc.DeleteSliceTag(slivertag_id)
61 logger.log("update_ipv6addr_slivertag: slice tag deleted for slice=%s" % \
64 logger.log("update_ipv6addr_slivertag: slice tag not deleted for slice=%s" % \
66 # if there's no ipv6 address anymore, then remove everything from the /etc/hosts
67 tools.remove_all_ipv6addr_hosts(slice['name'], data['hostname'])
69 # if the ipv6 addr set on the slice does not exist yet, so, let's add it
70 if (ipv6addr is None) and len(value)>0:
72 logger.log("update_ipv6addr_slivertag: slice name=%s" % (slice['name']) )
73 slivertag_id=plc.AddSliceTag(slice['name'],tagname,value,node_id)
74 logger.log("update_ipv6addr_slivertag: slice tag added to slice %s" % \
77 logger.log("update_ipv6addr_slivertag: could not set ipv6 addr tag to sliver. "+
78 "slice=%s tag=%s node_id=%d" % (slice['name'],tagname,node_id) )
79 # if the ipv6 addr set on the slice is different on the value provided, let's update it
80 if (ipv6addr is not None) and (len(value)>0) and (ipv6addr!=value):
81 slivertag_id = getSliverTagId(slivertags)
82 plc.UpdateSliceTag(slivertag_id,value)
83 # ipv6 entry on /etc/hosts of each slice
84 result = tools.search_ipv6addr_hosts(slice['name'], value)
86 tools.remove_all_ipv6addr_hosts(slice['name'], data['hostname'])
87 tools.add_ipv6addr_hosts_line(slice['name'], data['hostname'], value)
88 logger.log("update_ipv6addr_slivertag: finishing the update process for " +
89 "slice=%s" % (slice['name']) )
91 def GetSlivers(data, config, plc):
93 SetSliverTag(plc, data, ipv6addrtag)
95 logger.log("update_ipv6addr_slivertag: all done!")