X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=plugins%2Fupdate_ipv6addr_slivertag.py;h=8182eb2bd37b053d9d77597ed02143a849dd329f;hb=ac6786141feadccdc48b819ab21a825a54881ded;hp=ad728754f43ac866925e004e80e6b3df908a15ac;hpb=cbc6d01d813b85b78bc5268b469b46fc74e33cef;p=nodemanager.git diff --git a/plugins/update_ipv6addr_slivertag.py b/plugins/update_ipv6addr_slivertag.py index ad72875..8182eb2 100644 --- a/plugins/update_ipv6addr_slivertag.py +++ b/plugins/update_ipv6addr_slivertag.py @@ -1,9 +1,7 @@ -# -*- 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 """ @@ -13,11 +11,17 @@ import socket 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' @@ -26,35 +30,49 @@ def start(): 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']) ) + #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']) + # 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 - 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))) + # 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']) - ipv6addr = plc.GetSliceIPv6Address(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 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: # then, let's remove the slice tag - slivertag_id = getSliverTagId(slivertags) if slivertag_id: try: plc.DeleteSliceTag(slivertag_id) @@ -63,33 +81,31 @@ def SetSliverTag(plc, data, tagname): 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): - slivertag_id = getSliverTagId(slivertags) - 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!")