-# -*- python-indent: 4 -*-
-
"""
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
+#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
logger.log("update_ipv6addr_slivertag: plugin starting up...")
-def getSliverTagId(slivertags):
+def get_sliver_tag_id_value(slivertags):
for slivertag in slivertags:
if slivertag['tagname']==ipv6addrtag:
- return slivertag['slice_tag_id']
- return None
+ return slivertag['slice_tag_id'], slivertag['value']
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']) )
-
- # TODO: what about the prefixlen? should we add on it as well?
- # here, I'm just taking the ipv6addr (value)
- 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})
- #logger.log(repr(str(slivertags)))
- #for tag in slivertags:
- # logger.log(repr(str(tag)))
-
- ipv6addr = plc.GetSliceIPv6Address(slice['name'])
- 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
- slivertag_id = getSliverTagId(slivertags)
- if slivertag_id:
+ #logger.log("update_ipv6addr_slivertag: starting with slice={}".format(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 also inform the prefixlen?
+ # here, I'm just taking the ipv6addr (value)
+ 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})
+ #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
+ if ipv6addr:
+ logger.log("update_ipv6addr_slivertag: slice={} getSliceIPv6Address={}"
+ .format(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={}"
+ .format(slice['name']))
+ except:
+ logger.log("update_ipv6addr_slivertag: slice tag not deleted for slice={}"
+ .format(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:
- plc.DeleteSliceTag(slivertag_id)
- logger.log("update_ipv6addr_slivertag: slice tag deleted for slice=%s" % \
- (slice['name']) )
+ logger.log("update_ipv6addr_slivertag: slice name={}".format(slice['name']))
+ slivertag_id=plc.AddSliceTag(slice['name'], tagname, value, node_id)
+ logger.log("update_ipv6addr_slivertag: slice tag added to slice {}"
+ .format(slice['name']))
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'])
- 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):
- slivertag_id = getSliverTagId(slivertags)
- 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: could not set ipv6 addr tag to sliver. "
+ "slice={} tag={} node_id={}".format(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={}".format(slice['name']))
def GetSlivers(data, config, plc):
-
SetSliverTag(plc, data, ipv6addrtag)
-
- logger.log("update_ipv6addr_slivertag: all done!")
git://git.onelab.eu / nodemanager.git / blobdiff