X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=plugins%2Fupdate_ipv6addr_slivertag.py;h=8182eb2bd37b053d9d77597ed02143a849dd329f;hb=ac6786141feadccdc48b819ab21a825a54881ded;hp=a1190cf0d1be472803429dcbf3c8215012ada733;hpb=1b7d8ef3d9ddf592a8f97ef89b91ed457f1ba6b7;p=nodemanager.git diff --git a/plugins/update_ipv6addr_slivertag.py b/plugins/update_ipv6addr_slivertag.py index a1190cf..8182eb2 100644 --- a/plugins/update_ipv6addr_slivertag.py +++ b/plugins/update_ipv6addr_slivertag.py @@ -1,5 +1,8 @@ """ -IPv6 test! version: 0.3 +Description: Update the IPv6 Address sliver tag accordingly to the IPv6 address set +update_ipv6addr_slivertag nodemanager plugin +Version: 0.6 +Author: Guilherme Sperb Machado """ import logger @@ -8,11 +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' @@ -21,64 +30,82 @@ def start(): logger.log("update_ipv6addr_slivertag: plugin starting up...") -def getSliverTagId(slivertags): - for slivertag in slivertags: - if slivertag['tagname']==ipv6addrtag: - return slivertag['slice_tag_id'] - return None +def get_sliver_tag_id_value(slivertags): + for slivertag in slivertags: + if slivertag['tagname']==ipv6addrtag: + 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 the update procedure for 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: - 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']) ) - # 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 the 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: starting with slice=%s" % (slice['name']) ) -def GetSlivers(data, config, plc): + # 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 - SetSliverTag(plc, data, ipv6addrtag) + # 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']) - logger.log("update_ipv6addr_slivertag: all done!") + 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)