From d15510e2b4bd34758eeff9bf165e1ec57397da4f Mon Sep 17 00:00:00 2001 From: brent s Date: Sun, 2 Aug 2020 04:19:09 -0400 Subject: [PATCH] need to add a sleep in there for now. --- restart_net.py | 30 ++++++++++++++++++++++-------- 1 file changed, 22 insertions(+), 8 deletions(-) diff --git a/restart_net.py b/restart_net.py index db14233..20d12e1 100755 --- a/restart_net.py +++ b/restart_net.py @@ -30,18 +30,30 @@ class DomainNetwork(object): def __init__(self, dom): # dom is a libvirt.virDomain (or whatever it's called) instance. self.dom = dom - self.dom_xml = etree.fromstring(dom.XMLDesc()) + self.dom_xml = None self.ifaces = [] + self._get_xml() - def get_nets(self, netnames): - for iface in self.dom_xml.xpath('devices/interface'): - if iface.attrib.get('type') == 'network': - src_xml = iface.find('source') - if src_xml is not None and src_xml.attrib.get('network') in netnames: - # Why, oh why, does the libvirt API want the XML?? - self.ifaces.append(etree.tostring(iface).decode('utf-8')) + def _get_xml(self): + self.dom_xml = etree.fromstring(self.dom.XMLDesc()) return(None) + def get_nets(self, netnames, chk = None): + if not self.ifaces and chk: + return(None) + _netnames = [] + for iface in self.dom_xml.xpath('devices/interface'): + if iface.attrib.get('type') == 'network': + netname = src_xml.attrib.get('network') + src_xml = iface.find('source') + if src_xml is not None and netname in netnames and not chk: + # Why, oh why, does the libvirt API want the XML?? + self.ifaces.append(etree.tostring(iface).decode('utf-8')) + elif src_xml is not None and netname in netnames: + _netnames.append(netname) + if chk: + pass # TODO: confirm that network is removed so we can remove the time.sleep() below. + return(None) class VMManager(object): def __init__(self, netname, restart_guests = True, uri = _def_uri, *args, **kwargs): @@ -104,6 +116,8 @@ class VMManager(object): # Nice that we don't actually need to shut the machine down. # Here be dragons, though, if the OS doesn't understand NIC hotplugging. domnet.dom.detachDeviceFlags(iface_xml, flags = _ifaceflags) + # TODO: modify DomainNetwork so we can check if an interface is removed or not. How? + time.sleep(3) domnet.dom.attachDeviceFlags(iface_xml, flags = _ifaceflags) self._disconnect() if not doms: